CN102824203A - Surgical fitting nail for kidney-shape forming and forming groove thereof - Google Patents
Surgical fitting nail for kidney-shape forming and forming groove thereof Download PDFInfo
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- CN102824203A CN102824203A CN2011101583009A CN201110158300A CN102824203A CN 102824203 A CN102824203 A CN 102824203A CN 2011101583009 A CN2011101583009 A CN 2011101583009A CN 201110158300 A CN201110158300 A CN 201110158300A CN 102824203 A CN102824203 A CN 102824203A
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- Prior art keywords
- nail
- anastomosis staple
- grooving
- shape
- anvil
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
- A61B17/1155—Circular staplers comprising a plurality of staples
Abstract
The invention discloses a surgical fitting nail for kidney-shape forming and a forming groove thereof, wherein the forming groove is composed of a lateral face, a bottom face and a diagonal ridge which are formed by the forming groove inwards concave on the surface of a nail anvil; M-shaped fitting nails are used; the convex degree of the M-shaped fitting nails which are arranged on an inner ring or the near side of a cutter groove on the middle parts of nail beams are larger than that of the M-shaped fitting nails arranged on an outer ring or the far side of the cutter groove on the middle parts of the nail beams; thus, when the fitting nails with same heights are used for fitting fitted tissues with different thicknesses, the M-shaped fitting nails are bent on the forming groove by a nail pushing block so as to form a kidney-shaped fitting nail; therefore, the surgical fitting nail achieves beneficial surgical effect of closing, stanching the fitted tissues and healing peripheral tissues.
Description
Technical field
The present invention relates to the surgical stapling nail and the grooving thereof that use in the various surgical staplings, but particularly relate to surgical stapling nail and grooving thereof that the kidney shape is shaped.
Background technology
Various surgical staplings are used for replacing surgical operation to adopt the free-hand identical operation of needlework; Be widely used in operations such as the end end of human body alimentary canal organ, respiratory tract organ and apparatus urogenitalis official rank organ and tissue, distolateral and side to side anastomosis; Form the operation of passage and the operation of close incisions; Be specially adapted to appear and the organ of operating difficulties and the anastomosis operation of tissue, can reduce operating time, improve the operation quality.
Like what introduced in United States Patent (USP) publicity 20070194082 and 20090255978, the ingredient of the anastomosis staple builder of known various surgical staplings mainly comprises: nail bin and nail anvil.Ejector pin piece, anastomosis staple and cutter are installed in the nail bin, and wherein cutter can be installed according to the use needs.Be arranged with on the end face of nail anvil with nail bin in the corresponding grooving in anastomosis staple position.Effect in the use of anastomosis staple in the anastomosis staple builder of surgical stapling and grooving orthopaedic surgical operations anastomat is: will wait to coincide clamp tissue after between nail anvil and the nail bin; Through the ejector pin piece anastomosis staple is released in nail bin; Make the nail point of anastomosis staple penetrate clamped the waiting tissue that coincide and direct reach the grooving on the nail anvil; The U-shaped anastomosis staple is bent to B shape, reach the operation purpose that tissue is coincide.
Like what introduced in United States Patent (USP) publicity 20070194082 and 20080061109: known various surgical staplings; Shown in accompanying drawing 1 of the present invention, form by side that after indent on the surface of nail anvil 1, forms 3 and bottom surface 4 at the lip-deep grooving 2 of nail anvil 1.The side 3 of grooving 2 and the intersection of bottom surface 4 form two anastomosis staple guide lines 5 and 6 of grooving 2.Grooving 2 forms opening contour curve 7 on the surface of nail anvil 1.Shown in accompanying drawing 2 of the present invention, the anastomosis staple 8 in nail bin (not shown) takes the shape of the letter U, and is made up of a straight nail beam 9 and two straight nail lower limbs 10 and 11, and the end of wherein following closely lower limb 10 and 11 has nail point 12 and 13 respectively.Like accompanying drawing 3 of the present invention to shown in the accompanying drawing 5; When ejector pin piece 14 is released anastomosis staple 8 in nail bin (not shown); The nail point 12 and 13 of the anastomosis staple 8 of U-shaped is pressed on the grooving 2 of nail anvil 1; Two of anastomosis staple 8 nail lower limbs 10 that make U-shaped and the 11 anastomosis staple guide lines 5 and 6 along grooving 2 bend to the anastomosis staple 15 of B shape, reach organizing identical operation purpose.Anastomosis staple 15 backs that the anastomosis staple 8 of U-shaped bends to B shape form two rings 16 and 17; Make the clamp force distribution of following closely the identical tissue of quilt between lower limb and the nail beam in two rings 16 and 17; Promptly be distributed in respectively on the length less than half nail beam 9, bigger to the damage of the tissue that coincide.If encircle 16 and 17 less, the sealing and the hemostasis of the tissue that then helps being coincide, but the surrounding tissue healing is slower; If encircle 16 and 17 greatlyyer, then help the surrounding tissue healing, but the sealing and the haemostatic effect of the tissue that coincide are relatively poor.In general, the edge of being organized coincideing requires to help sealing and hemostasis, to required to help the surrounding tissue healing by the edges of identical tissue.In order to reach such surgical effect; Need to adopt the nail anvil of grooving of nail bin and/or the distribution different depth of the U-shaped anastomosis staple that different nail lower limb height are housed; Therefore the surgical stapling of the surgical stapling of this style nail and grooving thereof have increased the processing and the mounting hardness of apparatus, thereby have increased the cost of apparatus.On the other hand; Because when U-shaped anastomosis staple 8 bends to complete B shape anastomosis staple 15; The nail of anastomosis staple 15 point 12 and 13 converges in the midpoint of nail beam 9, in order to reach the operation purpose that tissue is coincide, needs to use difference to follow closely the U-shaped anastomosis staples of lower limb height for the tissue that coincide waited of different grip thickness; Therefore in operation, need confirm to wait the thickness of tissue of coincideing earlier, change the nail bin of the U-shaped anastomosis staple that different nail lower limb height are housed again.Because it is limited that the specification of nail bin of the U-shaped anastomosis staple of different nail lower limb height is housed; Generally be that every clamp tissue thickness at a distance from 0.5mm is divided into a specification; Therefore the surgical stapling of this style nail and grooving thereof are difficult to satisfy all thickness and wait the requirements of operation of tissue of coincideing, thereby have reduced surgical effect, increased operating difficulty and operation cost.Therefore surgical stapling nail and grooving thereof also need improve.
Like what introduced in the United States Patent (USP) publicity 20090255978: shown in accompanying drawing 1 of the present invention, form by side that after indent on the surface of nail anvil 1, forms 3 and bottom surface 4 at the lip-deep grooving 2 of nail anvil 1.The side 3 of grooving 2 and the intersection of bottom surface 4 form two anastomosis staple guide lines 5 and 6 of grooving 2.Grooving 2 forms opening contour curve 7 on the surface of nail anvil 1.Shown in accompanying drawing 6 of the present invention, the anastomosis staple 18 of surgical stapling in nail bin (not shown) is made up of nail beam 19 and two straight nail lower limbs 20 and 21 of a W shape, and the end of wherein following closely lower limb 20 and 21 has nail point 22 and 23 respectively.Like accompanying drawing 7 of the present invention to shown in the accompanying drawing 9; Two bossings 24 on the nail beam 19 of the W shape of anastomosis staple 18 with 25 respectively with the grooving 2 of nail anvil 1 on two grooves 26 and 27 position corresponding; When ejector pin piece 28 is released anastomosis staple 18 in nail bin (not shown); The nail point 22 and 23 of anastomosis staple 18 is pressed on the grooving 2 of nail anvil 1; Make two of anastomosis staple 18 nail lower limbs 20 and 21 anastomosis staple guide lines 5 and 6 bend to the anastomosis staple 29 of B shape along grooving 2; Reach and to organize the operation purpose of coincideing, therefore, wait to coincide when organizing in the identical grip thickness of coincideing; Adopt the distribution same depth grooving nail anvil with adopt identical nail lower limb height is housed but two bossings 24 and 25 on the nail beam 19 of W shape have the nail bin of the anastomosis staple of differing heights, just can reach the edge sealing and the hemostasis of the tissue that helps being coincide respectively and requirements of operation that the edges surrounding tissue organized of helping being coincide heals.But; Because when anastomosis staple 18 bends to complete B shape anastomosis staple 29; The nail point 22 and 23 of anastomosis staple 29 also converges in the midpoint of the nail beam 19 of W shape; Make nail lower limb 20 and 21 with nail beam 19 between quilt coincide the clamp force distribution of tissue in 29 two rings of anastomosis staple of B shape, promptly be distributed in respectively on the length less than half nail beam 19, the damage of being organized coincideing is bigger.And; In order to reach the operation purpose that tissue is coincide; For the identical anastomosis staples that also need use different nail lower limb height of organizing of treating of different grip thickness, therefore in operation, need confirm to wait the thickness of tissue of coincideing earlier, the nail bins of the anastomosis staple of different nail lower limb height are equipped with in replacing again.Because it is limited that the specification of nail bin of the anastomosis staple of different nail lower limb height is housed; Generally be that every clamp tissue thickness at a distance from 0.5mm is divided into a specification; Therefore the surgical stapling of this style nail and grooving thereof also are difficult to satisfy all thickness and wait the requirements of operation of tissue of coincideing, thereby have reduced surgical effect, increased operating difficulty and operation cost.Therefore surgical stapling nail and grooving thereof also need improve.
Like what introduced in the United States Patent (USP) publicity 20110087276: shown in accompanying drawing 2 of the present invention; Anastomosis staple 8 in nail bin (not shown) takes the shape of the letter U; Be made up of a straight nail beam 9 and two straight nail lower limbs 10 and 11, the end of wherein following closely lower limb 10 and 11 has nail point 12 and 13 respectively.Shown in accompanying drawing 10 of the present invention, two groovings that separate 31 and 32 are arranged on the surface of nail anvil 30, form with bottom surface 35 and 36 by the side that after indent on the surface of nail anvil 30, forms 33 and 34 respectively.The intersection of side 33 and bottom surface 35 forms two anastomosis staple guide lines 37 and 38 of grooving 31.The intersection of side 34 and bottom surface 36 forms two anastomosis staple guide lines 39 and 40 of grooving 32.Two groovings 31 and 32 form opening contour curve 41 and 42 respectively on the surface of nail anvil 30.Like accompanying drawing 11 of the present invention to shown in the accompanying drawing 13; When ejector pin piece 43 is released anastomosis staple 8 in nail bin (not shown); The nail point 12 and 13 of anastomosis staple 8 is pressed on respectively on the grooving 31 and 32 of nail anvil 30; Make two of anastomosis staple 8 nail lower limbs 10 and 11 bend to spiral anastomosis staple 44 with 38 with the anastomosis staple guide line 39 and 40 of grooving 32 along the anastomosis staple guide line 37 of grooving 31 respectively, reach organizing identical operation purpose.Because when two of anastomosis staple 8 nail lower limbs 10 and 11 bend to spiral anastomosis staple 44; The nail point 12 and 13 of anastomosis staple 8 does not converge in the midpoint of straight nail beam 9; Therefore; For the waiting to coincide and organize the anastomosis staples that need not use different nail lower limb height of different grip thickness, the nail bin of anastomosis staple that identical nail lower limb height promptly is housed is applicable to the tissue that coincide of waiting of the different grip thickness of coincideing.But; The nail lower limb 45 of the intersection of spiral anastomosis staple 44 and 46 and nail beam 9 between form bigger space 47; Edge at the tissue that coincide is easy to generate leakage and hemorrhage, therefore, helps by sealing of the edge of identical tissue and hemostasis in order to reach; The surgical stapling of the anastomosis staple that the employing spiral type is shaped in the United States Patent (USP) publicity 20110087276 is in embodiment; Used the row's of more Duo anastomosis staple than the surgical stapling that adopts B to form the anastomosis staple of shape, the stitching width that has increased the volume of surgical stapling and coincide and organize, thus not only reduce the operation subject range of surgical stapling but also increased the cost of surgical stapling.Therefore surgical stapling nail and grooving thereof also need improve.
Obviously can find out by above-mentioned; A large amount of not in specie surgical staplings have been designed now; And the anastomosis staple of new surgical stapling and the development work of grooving thereof are still continuing; So that the surgical stapling that uses in a large number in the world every year is done further the improvement, both reached with the reliable operation purpose of coincideing of tissue easy to use again, saving cost.
Summary of the invention
The objective of the invention is to propose surgical stapling nail and the grooving thereof that a kind of kidney shape is shaped; Realize a nail beam of anastomosis staple and the anastomosis staple of two nail lower limb formation M shapes; The side that grooving is formed after indent on the surface of nail anvil by grooving, bottom surface and hip are formed; Thereby coincide when organizing at the coincide quilt of different-thickness of the anastomosis staple that adopts equal height; The ejector pin piece is released the anastomosis staple of M shape in nail bin; The nail point of the anastomosis staple of M shape is pressed on the grooving of nail anvil, and the anastomosis staple guide line along grooving is crooked respectively to make two nail lower limbs of anastomosis staple of M shape, is the anastomosis staple of the kidney shape with the anastomosis staple bending forming of M shape; Edge sealing that both having reached helps being coincide organizes and hemostatic surgical effect and the surgical effect that helps being healed by the edges surrounding tissue of identical tissue reach surgical stapling result of use easy to use, cost-effective again.
Another object of the present invention is to propose surgical stapling nail and the grooving thereof that a kind of kidney shape is shaped; Realize a plurality of groovings be staggered on the surface of nail anvil two the circle or two row more than; The anastomosis staple that is arranged in the M shape in the nail bin is corresponding with the lip-deep grooving position that is arranged in nail anvil; The middle part of nail beam of anastomosis staple that wherein is arranged in the M shape of inner ring or cutter groove nearside can be bigger to the degree of the direction protrusion of the nail point of two nail lower limbs than the middle part of the nail beam of the anastomosis staple of the M shape that is arranged in outer ring or cutter groove distally to the degree of the direction protrusion of the nail point of two nail lower limbs; Thereby coincide when organizing the edge sealing that has not only reached the tissue that helps being coincide and hemostatic surgical effect, but also the surgical effect that heals of the edges surrounding tissue of the tissue that helps being coincide at the coincide quilt of different-thickness of the anastomosis staple that adopts equal height.
At present, known surgical stapling nail is positioned at nail bin, and anastomosis staple is made up of a nail beam and two nail lower limbs, and the end of two nail lower limbs has the nail point respectively; Known grooving is made up of side that after indent on the surface of nail anvil, forms and bottom surface, and grooving forms the opening contour curve on the surface of nail anvil.The ejector pin piece is released anastomosis staple in nail bin, the nail point of anastomosis staple is pressed on the grooving of nail anvil, makes two nail lower limb bending formings of anastomosis staple.
Task of the present invention realizes through following technical proposals:
Surgical stapling nail and grooving thereof that the kidney shape of the present invention is shaped; Wherein the side, bottom surface and the hip that after indent on the surface of nail anvil, are formed by grooving of grooving formed; The crestal line of hip and the long axis of grooving intersect acute angle; The crestal culmination of hip is to the direction indent of bottom surface, and hip is separated into two parts with the bottom surface, and the intersection of the side of grooving and hip and bottom surface forms the anastomosis staple guide line of grooving; Wherein anastomosis staple is positioned at nail bin; Anastomosis staple is made up of a nail beam and two nail lower limbs; The end of two nail lower limbs has nail sharp respectively, and the middle part of following closely beam makes one of anastomosis staple to follow closely beam and two anastomosis staples of following closely lower limb formation M shapes to two direction protrusions of following closely the nail point of lower limbs.The axis of nail beam can be made up of curved section, also can be made up of the broken line that several straightways connect into, and can also be interconnected by curved section and straightway and form, and makes one of anastomosis staple to follow closely beam and two anastomosis staples of following closely lower limb formation M shapes.The cross section of the nail beam of anastomosis staple and nail lower limb both can be circle or non-circular, can be again polygonal.
When the ejector pin piece is released the anastomosis staple of M shape in nail bin; The ejector pin piece is pressed on the nail point of two nail lower limbs of the anastomosis staple of M shape on the grooving of nail anvil; The anastomosis staple guide line along grooving is crooked respectively to make two of anastomosis staple nail lower limbs of M shape; Move to the position of the direction indent of bottom surface to the crestal culmination of the hip of position on the grooving of nail anvil of the direction protrusion of the nail point of two nail lower limbs at the middle part of following closely beam simultaneously, is the anastomosis staple of the kidney shape with the anastomosis staple bending forming of M shape.
Because when the anastomosis staple bending forming of M shape is the anastomosis staple of the kidney shape; Two nail lower limbs intersection bending formings of the anastomosis staple of M shape; Make two nail points depart from the center of following closely beam; Therefore, for the waiting to coincide and organize the anastomosis staples that need not use different nail lower limb height of different grip thickness, the nail bin of anastomosis staple that identical nail lower limb height promptly is housed is applicable to the tissue that coincide of waiting of the different grip thickness of coincideing.Again because after the anastomosis staple bending forming of M shape is the anastomosis staple of the kidney shape; The nail lower limb place of the intersection of the anastomosis staple that the kidney shape is shaped is charged at the middle part of the nail beam of the anastomosis staple of M shape to the position of the direction protrusion of the nail point of two nail lower limbs; Make the space that forms between nail lower limb and the nail beam be long and narrow; The clamping force of the identical tissue of quilt between nail lower limb and the nail beam is dispersed on the length of whole nail beam; The sealing that reaches the tissue that not only helps being coincide and hemostatic surgical effect, but also the surgical effect that heals of the edges surrounding tissue of the tissue that helps being coincide also reach surgical stapling result of use easy to use, cost-effective.
Nail anvil of the present invention can be rounded.A plurality of groovings are being staggered on the surface of circular nail anvil more than two circles (comprising two circles).The anastomosis staple that is arranged in the M shape in the nail bin is corresponding with the lip-deep grooving position that is arranged in circular nail anvil; The middle part of nail beam of anastomosis staple that wherein is arranged in the M shape of inner ring both can be bigger to the degree of the direction protrusion of the nail point of two nail lower limbs than the middle part of the nail beam of the anastomosis staple of the M shape that is arranged in the outer ring to the degree of the direction protrusion of the nail point of two nail lower limbs, also can be identical to the degree of the direction protrusion of the nail point of two nail lower limbs with the middle part of the nail beam of the anastomosis staple of the M shape that is arranged in the outer ring.The extended line of the crestal line of the hip of two adjacent groovings of two adjacent rings can intersect.
It is linear that nail anvil of the present invention also can be, both can be rectilinear, also can be curved.Be staggered to two rows above (comprising two rows) on the surface of the online staple anvil of a plurality of groovings.The extended line of the crestal line of the hip of two adjacent groovings of adjacent two rows can intersect.On the linear nail anvil cutter groove can be arranged, a plurality of groovings are arranged in the both sides of the cutter groove of linear nail anvil.The anastomosis staple that is arranged in the M shape in the nail bin is corresponding with the lip-deep grooving position that is arranged in linear nail anvil; The middle part of nail beam of anastomosis staple of M shape that wherein is arranged in the cutter groove nearside of linear nail anvil both can be bigger to the degree of the direction protrusion of the nail point of two nail lower limbs than the middle part of the nail beam of the anastomosis staple of the M shape that is arranged in cutter groove distally to the degree of the direction protrusion of the nail point of two nail lower limbs, also can be identical to the degree of the direction protrusion of the nail point of two nail lower limbs with the middle part of the nail beam of the anastomosis staple of the M shape that is arranged in cutter groove distally.
Since a plurality of groovings be staggered on the surface of nail anvil two the circle or two row more than; The anastomosis staple that is arranged in the M shape in the nail bin is corresponding with the lip-deep grooving position that is arranged in nail anvil; Therefore; After the anastomosis staple bending forming of M shape was the anastomosis staple of the kidney shape, the anastomosis staple of adjacent two rows' the kidney shape blocked the slit between the anastomosis staple each other, reached the sealing and the hemostatic surgical effect that help being coincide and organize.Again because the extended line of the crestal line of the hip of two adjacent groovings of two adjacent rings or two rows is crossing; Therefore; After the anastomosis staple bending forming of M shape is the anastomosis staple of the kidney shape; Staggering each other in the position of the nail point of the nail lower limb of the anastomosis staple of two adjacent kidney shapes of two adjacent rings or two rows, the sealing that reaches the tissue that not only helps being coincide and hemostatic surgical effect, but also can increase by the surgical effect of the intensity at identical tissue place.If it is bigger to be arranged in the degree of protruding to the direction of the nail point of two nail lower limbs than the middle part of the nail beam of the anastomosis staple of the M shape that is arranged in outer ring or cutter groove distally to the degree of the direction protrusion of the nail point of two nail lower limbs at the middle part of nail beam of anastomosis staple of the M shape of inner ring or cutter groove nearside; Then coincide when organizing, the edge sealing that not only can reach the tissue that helps being coincide and hemostatic surgical effect, but also can reach the surgical effect that the edges surrounding tissue of the tissue that helps being coincide heals at the coincide quilt of different-thickness of the anastomosis staple that adopts identical nail lower limb height.
Surgical stapling nail and grooving thereof that the kidney shape of the present invention is shaped; Requirements of operation according to the tissue that coincide; Also can mix use with the surgical stapling nail and the grooving thereof of other type; For example, the surgical stapling that certain circle or certain row adopt the kidney shape of the present invention to be shaped is followed closely and grooving, circle or the surgical stapling nail and the grooving thereof of other type of row's employing in addition in addition.
Description of drawings
Fig. 1 is the outside drawing of the known grooving of expression;
Fig. 2 is the outside drawing of the anastomosis staple of the known U-shaped of expression;
To be expression ejector pin piece be pressed on the outside drawing on the grooving of nail anvil with the nail point of the anastomosis staple of known U-shaped to Fig. 3;
Fig. 4 is the anastomosis staple of the known U-shaped of expression bends to the anastomosis staple of B shape on the grooving of nail anvil a outside drawing;
Fig. 5 is the outside drawing of the anastomosis staple of the known B of the bending to shape of expression;
Fig. 6 is the outside drawing that the known nail beam of expression is the anastomosis staple of W shape;
To be expression ejector pin piece be pressed on the outside drawing on the grooving of nail anvil with the nail point of the known nail beam anastomosis staple that is W shape to Fig. 7;
Fig. 8 is the outside drawing of the known nail beam of the expression anastomosis staple bending forming on the grooving of nail anvil that is W shape;
Fig. 9 is that the nail beam of the known bending forming of expression is the outside drawing of the anastomosis staple of W shape;
Figure 10 is the outside drawing of the grooving of the known biasing of expression;
To be expression ejector pin piece be pressed on the outside drawing on the grooving of biasing of nail anvil with the nail point of the anastomosis staple of known U-shaped to Figure 11;
Figure 12 is the anastomosis staple of the known U-shaped of expression bends to spiral anastomosis staple on the grooving of the biasing of nail anvil a outside drawing;
Figure 13 is the known outside drawing that bends to spiral anastomosis staple of expression;
Figure 14 is the outside drawing of the anastomosis staple of the M shape be made up of curve of the axis of the nail beam of the expression embodiment of the invention;
Figure 15 is the outside drawing of the grooving of expression kidney shape shaping of the present invention;
To be expression ejector pin piece be pressed on the outside drawing on the grooving of nail anvil with the nail point of the anastomosis staple of M shape to Figure 16;
Figure 17 is the anastomosis staple of expression M shape bends to the anastomosis staple of kidney shape shaping on the grooving of nail anvil a outside drawing;
Figure 18 is the outside drawing that expression bends to the anastomosis staple of kidney shape shaping;
Figure 19 is that the cross section of the expression embodiment of the invention is the outside drawing of the anastomosis staple of quadrate M shape;
To be expression ejector pin piece be pressed on the outside drawing on the grooving of nail anvil with the nail point of the anastomosis staple of the M shape of Figure 19 to Figure 20;
Figure 21 is the anastomosis staple of the M shape of expression Figure 19 bends to the anastomosis staple of kidney shape shaping on the grooving of nail anvil a outside drawing;
Figure 22 is the outside drawing of the anastomosis staple that bends to kidney shape shaping of expression Figure 21;
Figure 23 is the outside drawing of the anastomosis staple of the M shape be made up of broken line of the axis of the nail beam of the expression embodiment of the invention;
To be expression ejector pin piece be pressed on the outside drawing on the grooving of nail anvil with the nail point of the anastomosis staple of the M shape of Figure 23 to Figure 24;
Figure 25 is the anastomosis staple of the M shape of expression Figure 23 bends to the anastomosis staple of kidney shape shaping on the grooving of nail anvil a outside drawing;
Figure 26 is the outside drawing of the anastomosis staple that bends to kidney shape shaping of expression Figure 25;
Figure 27 is the outside drawing of the anastomosis staple of the M shape be made up of curve and broken line of the axis of the nail beam of the expression embodiment of the invention;
To be expression ejector pin piece be pressed on the outside drawing on the grooving of nail anvil with the nail point of the anastomosis staple of the M shape of Figure 27 to Figure 28;
Figure 29 is the anastomosis staple of the M shape of expression Figure 27 bends to the anastomosis staple of kidney shape shaping on the grooving of nail anvil a outside drawing;
Figure 30 is the outside drawing of the anastomosis staple that bends to kidney shape shaping of expression Figure 29;
Figure 31 is the outside drawing of the circular nail anvil of the expression embodiment of the invention;
Figure 32 is the outside drawing of expression ejector pin ring;
Figure 33 outside drawing of (removing the ejector pin ring) when to be expression ejector pin ring be pressed on the nail point of the anastomosis staple of M shape on the grooving of circular nail anvil;
Figure 34 is the anastomosis staple of expression M shape bends to the anastomosis staple of kidney shape shaping on the grooving of circular nail anvil a outside drawing;
Figure 35 is illustrated in the outside drawing that bends to the anastomosis staple after the kidney shape is shaped on the grooving of circular nail anvil;
Figure 36 is the outside drawing of the linear nail anvil of the expression embodiment of the invention;
Figure 37 is the outside drawing of the anastomosis staple of expression ejector pin piece and M shape;
Figure 38 outside drawing of (removing the ejector pin piece) when to be expression ejector pin piece be pressed on the nail point of the anastomosis staple of M shape on the grooving of linear nail anvil;
Figure 39 is the outside drawing that bends to the anastomosis staple that the kidney shape is shaped on the grooving of the online staple anvil of anastomosis staple of expression M shape;
Figure 40 is the outside drawing that bends to the anastomosis staple after the kidney shape is shaped that is illustrated on the grooving of linear nail anvil.
The specific embodiment
Use way of example below, state the surgical stapling nail of kidney shape shaping of the present invention and the most preferred embodiment of grooving thereof in conjunction with accompanying drawing.Scope of the present invention will be pointed out in claim.Will be appreciated that some or all accompanying drawing all is for the explanation sketch of most preferred embodiment of the present invention is described, and the full-size(d) of part shown in not depicting.With reference to being described in detail of most preferred embodiment, understand with will be more readily apparent from reach the present invention above-mentioned with other the purpose and the practical ways of advantage.
Below in conjunction with Figure 14 to Figure 40 the surgical stapling nail of the various kidney shapes shapings of the embodiment of the invention and the shape and the forming process of grooving thereof are described, the surgical stapling nail of kidney shape shaping and the effect of grooving thereof are described.
The anastomosis staple 50 that is arranged in the nail bin (not shown) shown in Figure 14 is made up of a nail beam 51 and two nail lower limbs 52 and 53.Two ends of following closely lower limb 52 and 53 have nail point 54 and 55 respectively.The middle part 56 of following closely beam 51 is to two directions protrusions of following closely the nail sharp 54 and 55 of lower limbs 52 and 53, and the axis of nail beam 51 is made up of curved section, makes one of anastomosis staple 50 to follow closely beam 51 and two anastomosis staples 50 of following closely lower limb 52 and 53 formation M shapes.
The side 59 that grooving 57 shown in Figure 15 is formed after indent on the surface of nail anvil 58 by grooving 57, bottom surface 60 and hip 61 are formed.Grooving 57 forms opening contour curve 62 on the surface of nail anvil 58.The long axis of the crestal line of hip 61 and grooving 57 intersects acute angle.The crestal culmination 65 of hip 61 is to the direction indent of bottom surface 60.Hip 61 is separated into two parts with bottom surface 60.The side 59 of grooving 57 and the intersection of hip 61 and bottom surface 60 form the anastomosis staple guide line 66 and 67 of grooving 57 respectively.
Extremely shown in Figure 180 like Figure 16; When ejector pin piece 68 is released the anastomosis staple 50 of M shape in nail bin (not shown); Ejector pin piece 68 is pressed on two nail points 54 and 55 of following closely lower limb 52 and 53 of the anastomosis staple 50 of M shape on the grooving 57 of nail anvil 58; Make two of anastomosis staple 50 nail lower limbs 52 and 53 of M shape respectively along the anastomosis staple guide line 66 and 67 bendings of grooving 57; Following closely the position 69 of crestal culmination 65 indents of the hip 61 of position 56 on the grooving 57 of nail anvil 58 of protrusion at the middle part of beam 51 simultaneously and move, is the anastomosis staple 70 of the kidney shape with anastomosis staple 50 bending formings of M shape.
The nail beam of the anastomosis staple of M shape both can be the circle shown in preceding figure with the cross section of nail lower limb, also can be other shape.The nail beam 81 of the anastomosis staple 80 of M shape shown in figure 19 is square with the cross section of nail lower limb 82 and 83.Extremely shown in Figure 22 like Figure 20; When ejector pin piece 84 is released the anastomosis staple 80 of M shape in nail bin (not shown); Ejector pin piece 84 is pressed on two nail points 85 and 86 of following closely lower limb 82 and 83 of the anastomosis staple 80 of M shape on the grooving 57 of nail anvil 58; Make two of anastomosis staple 80 nail lower limbs 82 and 83 of M shape respectively along the anastomosis staple guide line 66 and 67 bendings of grooving 57; Following closely the position 69 of crestal culmination 65 indents of the hip 61 of position 87 on the grooving 57 of nail anvil 58 of protrusion at the middle part of beam 81 simultaneously and move, is the anastomosis staple 88 of the kidney shape with anastomosis staple 80 bending formings of M shape.
The anastomosis staple 90 that is arranged in the nail bin (not shown) shown in Figure 23 is made up of a nail beam 91 and two nail lower limbs 92 and 93.Two ends of following closely lower limb 92 and 93 have nail point 94 and 95 respectively.The middle part 96 of following closely beam 91 is to two directions protrusions of following closely the nail sharp 94 and 95 of lower limbs 92 and 93, and the axis of nail beam 91 is made up of broken line, makes one of anastomosis staple 90 to follow closely beam 91 and two anastomosis staples 90 of following closely lower limb 92 and 93 formation M shapes.
Extremely shown in Figure 26 like Figure 24; When ejector pin piece 97 is released the anastomosis staple 90 of M shape in nail bin (not shown); Ejector pin piece 97 is pressed on two nail points 94 and 95 of following closely lower limb 92 and 93 of the anastomosis staple 90 of M shape on the grooving 57 of nail anvil 58; Make two of anastomosis staple 90 nail lower limbs 92 and 93 of M shape respectively along the anastomosis staple guide line 66 and 67 bendings of grooving 57; Following closely the position 69 of crestal culmination 65 indents of the hip 61 of position 96 on the grooving 57 of nail anvil 58 of protrusion at the middle part of beam 91 simultaneously and move, is the anastomosis staple 98 of the kidney shape with anastomosis staple 90 bending formings of M shape.
The anastomosis staple 100 that is arranged in the nail bin (not shown) shown in Figure 27 is made up of a nail beam 101 and two nail lower limbs 102 and 103.Two ends of following closely lower limb 102 and 103 have nail point 104 and 105 respectively.The middle part 106 of nail beam 101 is to the direction protrusion of the nail point 104 and 105 of two nail lower limbs 102 and 103; The axis of nail beam 101 is interconnected by curved section and straightway to be formed, and makes one of anastomosis staple 100 to follow closely beam 101 and two anastomosis staples 100 of following closely lower limb 102 and 103 formation M shapes.
Extremely shown in Figure 30 like Figure 28; When ejector pin piece 107 is released the anastomosis staple 100 of M shape in nail bin (not shown); Ejector pin piece 107 is pressed on two nail points 104 and 105 of following closely lower limb 102 and 103 of the anastomosis staple 100 of M shape on the grooving 57 of nail anvil 58; Make two of anastomosis staple 100 nail lower limbs 102 and 103 of M shape respectively along the anastomosis staple guide line 66 and 67 bendings of grooving 57; Following closely the position 69 of crestal culmination 65 indents of the hip 61 of position 106 on the grooving 57 of nail anvil 58 of protrusion at the middle part of beam 101 simultaneously and move, is the anastomosis staple 108 of the kidney shape with anastomosis staple 100 bending formings of M shape.
To shown in Figure 35, a plurality of groovings 57 are staggered to two circles on the surface of circular nail anvil 110 like Figure 14 to Figure 18, Figure 23 to Figure 26 and Figure 31.The anastomosis staple 50 that is arranged in the M shape in the nail bin (not shown) is corresponding with lip-deep grooving 57 positions that are arranged in circular nail anvil 110 with anastomosis staple 90, and it is bigger wherein to be arranged in the degree that the degree the middle part 96 of nail beam 91 of anastomosis staple 90 of the M shape of inner ring protruded to the direction of two nail lower limbs 92 and 93 nail point 94 and 95 protrudes to two directions of following closely the nail sharp 54 and 55 of lower limbs 52 and 53 than the middle part 56 of the nail beam 51 of the anastomosis staple 50 of the M shape that is arranged in the outer ring.The extended line of the crestal line of adjacent two groovings 111 of two adjacent rings and 112 hip 113 and 114 intersects.
When ejector pin ring 115 is released with anastomosis staple 90 anastomosis staple 50 of M shape in nail bin (not shown); Ejector pin ring 115 is pressed on two nail lower limbs 52 of the anastomosis staple 50 of M shape, two nails sharp 94 and 95 of following closely lower limb 92 and 93 with the anastomosis staple 90 of 53 nail point 54 and 55 and M shape on the grooving 57 of circular nail anvil 110; Make two of anastomosis staple 50 nail lower limbs 52 of M shape follow closely lower limbs 92 and 93 respectively along the anastomosis staple guide line 66 and 67 bendings of grooving 57 with two of the anastomosis staple 90 of M shape with 53; Move at the position 69 of crestal culmination 65 indents of the hip 61 of position 96 on the grooving 57 of nail anvil 110 of the protrusion at the middle part of the nail beam 91 of the anastomosis staple 90 of the position 56 of the protrusion at the middle part of the nail beam 51 of the anastomosis staple 50 of M shape and M shape simultaneously; With anastomosis staple 50 bending formings of M shape is the anastomosis staple 70 of the kidney shape, and also anastomosis staple 90 bending formings with M shape are the anastomosis staple 98 of the kidney shape.At this moment, the nail of the nail lower limb 116 of the anastomosis staple 70 of two adjacent kidney shapes of two adjacent rings point 117 staggers with the position of the nail point 119 of the nail lower limb 118 of anastomosis staple 98 each other.
To shown in Figure 40, the both sides of the lip-deep cutter groove 121 of a plurality of grooving 57 online staple anvils 120 are staggered to two rows like Figure 14 to Figure 18, Figure 23 to Figure 26 and Figure 36.The anastomosis staple 50 that is arranged in the M shape in the nail bin (not shown) is corresponding with lip-deep grooving 57 positions that are arranged in linear nail anvil 120 with anastomosis staple 90, and it is bigger wherein to be arranged in the degree that the degree the middle part 96 of nail beam 91 of anastomosis staple 90 of M shape of cutter groove 121 nearsides of linear nail anvil 120 protruded to the direction of two nail lower limbs 92 and 93 nail point 94 and 95 protrudes to two directions of following closely the nail sharp 54 and 55 of lower limbs 52 and 53 than the middle part 56 of the nail beam 51 of the anastomosis staple 50 of the M shape that is arranged in cutter groove distally.Adjacent two groovings 122 of adjacent two rows are crossing with the extended line of the crestal line of 123 hip 124 and 125.
When ejector pin piece 126 is released with anastomosis staple 90 anastomosis staple 50 of M shape in nail bin (not shown); Ejector pin piece 126 is pressed on two nail lower limbs 52 of the anastomosis staple 50 of M shape, two nails sharp 94 and 95 of following closely lower limb 92 and 93 with the anastomosis staple 90 of 53 nail point 54 and 55 and M shape on the grooving 57 of linear nail anvil 120; Make two of anastomosis staple 50 nail lower limbs 52 of M shape follow closely lower limbs 92 and 93 respectively along the anastomosis staple guide line 66 and 67 bendings of grooving 57 with two of the anastomosis staple 90 of M shape with 53; Move at the position 69 of crestal culmination 65 indents of the hip 61 of position 96 on the grooving 57 of nail anvil 120 of the protrusion at the middle part of the nail beam 91 of the anastomosis staple 90 of the position 56 of the protrusion at the middle part of the nail beam 51 of the anastomosis staple 50 of M shape and M shape simultaneously; With anastomosis staple 50 bending formings of M shape is the anastomosis staple 70 of the kidney shape, and also anastomosis staple 90 bending formings with M shape are the anastomosis staple 98 of the kidney shape.At this moment, the nail of the nail lower limb 127 of the anastomosis staple 70 of two adjacent kidney shapes of adjacent two rows point 128 staggers with the position of the nail point 130 of the nail lower limb 129 of anastomosis staple 98 each other.
Surgical stapling nail and grooving thereof that the kidney shape of the present invention is shaped; Requirements of operation according to the tissue that coincide; Also can mix use with the surgical stapling nail and the grooving thereof of other type; For example, the surgical stapling that certain circle or certain row adopt the kidney shape of the present invention to be shaped is followed closely and grooving, circle or the surgical stapling nail and the grooving thereof of other type of row's employing in addition in addition.
Can know that according to above-mentioned detailed introduction compare with the surgical stapling nail and the grooving thereof of existing various surgical staplings, surgical stapling nail and grooving thereof that the kidney shape of the present invention is shaped have following technique effect:
Surgical stapling nail and grooving thereof that the kidney shape of the present invention is shaped; Because when the anastomosis staple bending forming of M shape is the anastomosis staple of the kidney shape; Two nail lower limbs intersection bending formings of the anastomosis staple of M shape make two nail points depart from the center of following closely beam, therefore; For the waiting to coincide and organize the anastomosis staples that need not use different nail lower limb height of different grip thickness, the nail bin of anastomosis staple that identical nail lower limb height promptly is housed is applicable to the tissue that coincide of waiting of the different grip thickness of coincideing.Again because after the anastomosis staple bending forming of M shape is the anastomosis staple of the kidney shape; The nail lower limb place of the intersection of the anastomosis staple that the kidney shape is shaped is charged at the middle part of the nail beam of the anastomosis staple of M shape to the position of the direction protrusion of the nail point of two nail lower limbs; Make the space that forms between nail lower limb and the nail beam be long and narrow; The clamping force of the identical tissue of quilt between nail lower limb and the nail beam is dispersed on the length of whole nail beam; The sealing that reaches the tissue that not only helps being coincide and hemostatic surgical effect, but also the surgical effect that heals of the edges surrounding tissue of the tissue that helps being coincide also reach surgical stapling result of use easy to use, cost-effective.
Surgical stapling nail and grooving thereof that the kidney shape of the present invention is shaped; Since a plurality of groovings be staggered on the surface of nail anvil two the circle or two row more than; The anastomosis staple that is arranged in the M shape in the nail bin is corresponding with the lip-deep grooving position that is arranged in nail anvil, therefore, and after the anastomosis staple bending forming of M shape is the anastomosis staple of the kidney shape; The anastomosis staple of adjacent two rows' the kidney shape blocks the slit between the anastomosis staple each other, reaches the sealing and the hemostatic surgical effect that help being coincide and organize.Again because the extended line of the crestal line of the hip of two adjacent groovings of two adjacent rings or two rows is crossing; Therefore; After the anastomosis staple bending forming of M shape is the anastomosis staple of the kidney shape; Staggering each other in the position of the nail point of the nail lower limb of the anastomosis staple of two adjacent kidney shapes of two adjacent rings or two rows, the sealing that reaches the tissue that not only helps being coincide and hemostatic surgical effect, but also can strengthen by the surgical effect of the intensity at identical tissue place.If it is bigger to be arranged in the degree of protruding to the direction of the nail point of two nail lower limbs than the middle part of the nail beam of the anastomosis staple of the M shape that is arranged in outer ring or cutter groove distally to the degree of the direction protrusion of the nail point of two nail lower limbs at the middle part of nail beam of anastomosis staple of the M shape of inner ring or cutter groove nearside; Then coincide when organizing, the edge sealing that not only can reach the tissue that helps being coincide and hemostatic surgical effect, but also can reach the surgical effect that the edges surrounding tissue of the tissue that helps being coincide heals at the coincide quilt of different-thickness of the anastomosis staple that adopts equal height.
So can find out that the above-mentioned target of stating comprises that those targets that shown by the front explanation have been reached effectively.Described here only is the typical best form of implementation of application of the present invention, can do some to said structure and change also without prejudice to the spirit and scope of the present invention.The present invention does not limit to or is placed restrictions on the detail of being stated in here, and that kind of stating in should qualification as claim to keep affiliated field secondary technology personnel be conspicuous any improvement or remodeling.
Claims (11)
1. the surgical stapling of a kidney shape shaping is followed closely and grooving, comprising:
Said anastomosis staple is positioned at nail bin; Anastomosis staple is made up of a nail beam and two nail lower limbs; The ends of said two nail lower limbs have nail point respectively, and the middle part of said nail beam is to the directions protrusion of the nail point of said two nail lower limbs, make nail beam of anastomosis staple and the anastomosis staples that two nail lower limbs form M shapes;
The side that said grooving is formed after indent on the surface of nail anvil by grooving, bottom surface and hip are formed; Grooving forms the opening contour curve on the surface of said nail anvil; The crestal line of said hip and the long axis of grooving intersect acute angle; The crestal culmination of hip is to the direction indent of said bottom surface, and hip is separated into two parts with the bottom surface, and the intersection of the side of said grooving and hip and bottom surface forms the anastomosis staple guide line of grooving;
When the ejector pin piece is released the anastomosis staple of said M shape in said nail bin; Said ejector pin piece is pressed on the nail point of two nail lower limbs of the anastomosis staple of M shape on the grooving of said nail anvil; The anastomosis staple guide line along said grooving is crooked respectively to make two of anastomosis staple nail lower limbs of M shape; Simultaneously move to the position of the direction indent of bottom surface to the crestal culmination of the hip of position on the grooving of said nail anvil of the direction protrusion of the nail point of two nail lower limbs at the middle part of said nail beam, is the anastomosis staple of the kidney shape with the anastomosis staple bending forming of M shape.
2. surgical stapling nail and grooving thereof that the kidney shape according to claim 1 is shaped; It is characterized in that; The middle part of the nail beam of said anastomosis staple is to the direction protrusion of the nail point of said two nail lower limbs; The axis of nail beam is made up of curved section, makes one of anastomosis staple to follow closely beam and two anastomosis staples of following closely lower limb formation M shapes.
3. surgical stapling nail and grooving thereof that the kidney shape according to claim 1 is shaped; It is characterized in that; The middle part of the nail beam of said anastomosis staple is to the direction protrusion of the nail point of said two nail lower limbs; The axis of nail beam is made up of the broken line that several straightways connect into, and makes one of anastomosis staple to follow closely beam and two anastomosis staples of following closely lower limb formation M shapes.
4. surgical stapling nail and grooving thereof that the kidney shape according to claim 1 is shaped; It is characterized in that; The middle part of the nail beam of said anastomosis staple is to the direction protrusion of the nail point of said two nail lower limbs; The axis of nail beam is interconnected by curved section and straightway to be formed, and makes one of anastomosis staple to follow closely beam and two anastomosis staples of following closely lower limb formation M shapes.
5. surgical stapling nail and grooving thereof that the kidney shape according to claim 1 is shaped is characterized in that said nail anvil is rounded, and said a plurality of groovings are being staggered on the surface of circular nail anvil more than two circles (comprising two circles).
6. surgical stapling nail and grooving thereof that the kidney shape according to claim 5 is shaped; It is characterized in that; The anastomosis staple that is arranged in the M shape in the said nail bin is corresponding each other with the lip-deep grooving position that is arranged in said circular nail anvil, and it is bigger wherein to be arranged in the degree of the middle part of nail beam of anastomosis staple of the said M shape of inner ring protruding to two sharp directions of nail of following closely lower limbs than the middle part of the nail beam of the anastomosis staple of the M shape that is arranged in the outer ring to the degree of the direction protrusion of the nail point of two nail lower limbs.
7. surgical stapling nail and grooving thereof that the kidney shape according to claim 5 is shaped is characterized in that the extended line of the crestal line of the hip of two adjacent groovings of said two adjacent rings intersects.
8. surgical stapling nail and grooving thereof that the kidney shape according to claim 1 is shaped is characterized in that said nail anvil is linear, are staggered to two rows above (comprising two rows) on the surface of the online staple anvil of said a plurality of groovings.
9. surgical stapling nail and grooving thereof that the kidney shape according to claim 8 is shaped is characterized in that on the said linear nail anvil cutter groove being arranged, and said a plurality of groovings are arranged in the both sides of the cutter groove of said linear nail anvil.
10. surgical stapling nail and grooving thereof that the kidney shape according to claim 9 is shaped; It is characterized in that; The anastomosis staple that is arranged in the M shape in the said nail bin is corresponding each other with the lip-deep grooving position that is arranged in said linear nail anvil, and it is bigger wherein to be arranged in the degree of the middle part of nail beam of anastomosis staple of said M shape of the cutter groove nearside of said linear nail anvil protruding to two sharp directions of nail of following closely lower limbs than the middle part of the nail beam of the anastomosis staple of the M shape that is arranged in cutter groove distally to the degree of the direction protrusion of the nail point of two nail lower limbs.
11. the surgical stapling that the kidney shape according to claim 8 is shaped nail and grooving thereof is characterized in that the extended line of the crestal line of the hip of two adjacent groovings of said adjacent two rows intersects.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110158300.9A CN102824203B (en) | 2011-06-14 | 2011-06-14 | Surgical fitting nail for kidney-shape forming and forming groove thereof |
| PCT/CN2012/075325 WO2012171423A1 (en) | 2011-06-14 | 2012-05-11 | Kidney-shaped surgical stapler nail and shaping groove therefor |
| US14/125,070 US9561030B2 (en) | 2011-06-14 | 2012-05-11 | Surgical staple and staple pocket for forming kidney-shaped staple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110158300.9A CN102824203B (en) | 2011-06-14 | 2011-06-14 | Surgical fitting nail for kidney-shape forming and forming groove thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN102824203A true CN102824203A (en) | 2012-12-19 |
| CN102824203B CN102824203B (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110158300.9A Active CN102824203B (en) | 2011-06-14 | 2011-06-14 | Surgical fitting nail for kidney-shape forming and forming groove thereof |
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| CN (1) | CN102824203B (en) |
Cited By (5)
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| CN103239264A (en) * | 2013-05-28 | 2013-08-14 | 上海创亿医疗器械技术有限公司 | Anastomotic nail of surgical anastomat and combined forming groove |
| CN104173089A (en) * | 2014-09-04 | 2014-12-03 | 苏州勤灏精密机械有限公司 | Pin abutting seat for surgical staple |
| CN105212982A (en) * | 2015-11-02 | 2016-01-06 | 苏州澳力欣精密技术有限公司 | A kind of nail anvil of anastomosis staple stereo shaping and staple formation method |
| WO2018161301A1 (en) * | 2017-03-09 | 2018-09-13 | Covidien Lp | End effector assembly for circular stapler apparatus |
| CN113317838A (en) * | 2021-06-28 | 2021-08-31 | 苏州法兰克曼医疗器械有限公司 | Anastomat capable of performing anastomosis on lesion tissues with different thicknesses and anastomosis nail |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103239264A (en) * | 2013-05-28 | 2013-08-14 | 上海创亿医疗器械技术有限公司 | Anastomotic nail of surgical anastomat and combined forming groove |
| CN104173089A (en) * | 2014-09-04 | 2014-12-03 | 苏州勤灏精密机械有限公司 | Pin abutting seat for surgical staple |
| CN105212982A (en) * | 2015-11-02 | 2016-01-06 | 苏州澳力欣精密技术有限公司 | A kind of nail anvil of anastomosis staple stereo shaping and staple formation method |
| WO2018161301A1 (en) * | 2017-03-09 | 2018-09-13 | Covidien Lp | End effector assembly for circular stapler apparatus |
| CN110381852A (en) * | 2017-03-09 | 2019-10-25 | 柯惠有限合伙公司 | End effector sub-assembly for circular staplers equipment |
| CN110381852B (en) * | 2017-03-09 | 2022-12-27 | 柯惠有限合伙公司 | End effector assembly for circular stapler apparatus |
| CN113317838A (en) * | 2021-06-28 | 2021-08-31 | 苏州法兰克曼医疗器械有限公司 | Anastomat capable of performing anastomosis on lesion tissues with different thicknesses and anastomosis nail |
| CN113317838B (en) * | 2021-06-28 | 2022-03-25 | 苏州法兰克曼医疗器械有限公司 | Anastomat capable of performing anastomosis on lesion tissues with different thicknesses and anastomosis nail |
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| CN102824203B (en) | 2015-05-06 |
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