CN104248458A - Suturing nail bin structure of linear anastomat - Google Patents
Suturing nail bin structure of linear anastomat Download PDFInfo
- Publication number
- CN104248458A CN104248458A CN201410502644.0A CN201410502644A CN104248458A CN 104248458 A CN104248458 A CN 104248458A CN 201410502644 A CN201410502644 A CN 201410502644A CN 104248458 A CN104248458 A CN 104248458A
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- CN
- China
- Prior art keywords
- nail
- pushing
- groove
- push broach
- suturing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/0682—Surgical staplers, e.g. containing multiple staples or clamps for applying U-shaped staples or clamps, e.g. without a forming anvil
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
- A61B2017/00646—Type of implements
- A61B2017/00663—Type of implements the implement being a suture
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07278—Stapler heads characterised by its sled or its staple holder
Abstract
The invention provides a suturing nail bin structure of a linear anastomat. The suturing nail bin structure comprises a nail bin body which is provided with a knife pushing groove along the length direction, a cutting knife is mounted in the knife pushing groove, a group of nail holes are formed in the nail bin body on each of two sides of the knife pushing groove, a group of connecting nail holes are formed in the nail bin body in front of the knife pushing groove, a nail pushing device is arranged in the nail bin body below the connecting nail holes, a suturing nail mounting groove is formed in the upper end of the nail pushing device, a pushing structure is arranged on the rear portion of the nail pushing device, a pushing portion matched with the pushing structure is arranged on the front portion of the cutting knife, and the pushing portion pushes the nail pushing device to move upwards through the pushing structure when the cutting knife moves forwards to the nail pushing device. By the suturing nail bin structure, comprehensive suturing of tissue in front of the knife pushing groove can be realized to prevent bleeding; the suturing nail bin structure is simple in structure and adaptive to operating habits of doctors and utilizes structure of an original cutting knife.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly a kind of linear anastomat suturing nail chamber structure.
Background technology
Linear seam cutting device is widely used in sewing up and cutting for wound suture, interior tissue in surgical operation, has and sews up and cutting two functions, while carrying out wound suture, by unnecessary cutting tissue.Linear seam cutting device generally comprises upper and lower two clamps, be oppositely arranged on nail anvil and the nail bin of upper and lower clamp front end, be located in nail bin and also can move ejector pin bar and cutting knife relative to nail bin simultaneously, transversely arrangedly in nail bin be provided with pushing slice of nail and suturing nail, ejector pin bar promotes pushing slice of nail and pushes suturing nail to nail anvil to sew up successively in order, and the tissue between nail bin and nail anvil cuts off by cutting knife.But the existing linear cutting anastomat in market, cutting and suturing nail are all transversely arranged, but from clinical application angle, the unstitched situation in top cannot be evaded after laterally sewing up always, cause hemorrhage, the nail of parallel arrangement that what existing nail bin structure was all formed is all, form parallel stitching thread during stitching, have no idea stitching thread to form intersection point, cause like this and forever have a direction to there will be bleeding, bring operation risk to patient, doctor brings difficult treatment.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of linear anastomat suturing nail chamber structure, when performing the operation, can be coupled together the front end of two Parallel sew lines, realizing the stitching of front end tissue, preventing hemorrhage.
For achieving the above object and other relevant objects, the invention provides a kind of linear anastomat suturing nail chamber structure, comprise staple cartridge body, described staple cartridge body offers push broach groove along its length, in this push broach groove, cutter are installed, the staple cartridge body of described push broach groove both sides is respectively provided with one group of nail, the staple cartridge body in described push broach groove front is provided with one group and connects nail, nail pushing device is provided with in staple cartridge body below described connection nail, this nail pushing device upper end is provided with suturing nail mounting groove, described nail pushing device rear portion is provided with pushing and withstanding structure, described cutter front portion is provided with the ejection part with described pushing and withstanding respective outer side edges, when described cutter move forward to nail pushing device, described ejection part promotes nail pushing device by pushing and withstanding structure and moves upward.
Adopt said structure, between traditional two groups of parallel nail, be provided with one group connect nail, two groups of nail front ends of this connection nail and push broach groove both sides are formed closed in push broach groove front, it can be vertical with push broach groove for connecting nail, also can tilt, suturing nail in certain two groups of parallel nail is promoted by traditional pushing slice of nail, in use, two groups of parallel nail correspondences form two groups of parallel stitching thread, and the connection nail correspondence being positioned at push broach front of the slot forms the stitching thread of a longitudinal direction or inclination, two parallel stitching thread front ends are coupled together, form closed stitching thread, thus by the tissue apposition in push broach groove front, prevent hemorrhage.
And the suturing nail connected in nail is promoted by nail pushing device, namely suturing nail is arranged in suturing nail mounting groove, while cutter are pushed ahead, by the cooperation of ejection part and pushing and withstanding structure, suturing nail is upwards released by nail pushing device, realize connecting the closed of nail inseam dowel, such structure and the operating habit of doctor adapt.Easy to operate, there is no additional move.Wherein said fore-and-aft direction, relative to operator, namely nail bin be oriented front.
As preferably: two groups of nail of described push broach groove both sides are parallel with push broach groove, and described connection nail is at least one, and vertical with described push broach groove, and the both sides of described connection nail are respectively near two groups of nail of push broach groove both sides.
Connect nail and can be arranged to the mode vertical with push broach groove, it can be multiple for wherein connecting nail, meets tissue apposition requirement of strength.
As preferably: be provided with ejector pin groove in the staple cartridge body in described push broach groove front, this ejector pin groove is communicated with described push broach groove, and described nail pushing device is arranged in this ejector pin groove, and can move up and down in this ejector pin groove.
During normality, nail pushing device is positioned at ejector pin groove lowest part due to action of gravity, moves upward when nail pushing device is cut cutter promotion, and ejector pin groove one side also plays guide effect.
As preferably: described nail pushing device is block, its outline adapts with the described nail that is connected, described pushing and withstanding anatomical connectivity is at nail pushing device rear lower, and this face, pushing and withstanding structure posterior end is low early and high after inclined plane, and the ejection part of described cutter front portion is low early and high after inclined plane.
Realize growing steadily of nail pushing device by the inclined plane cooperatively interacted, sewing effect is good.
As preferably: described pushing and withstanding structure is voussoir or trapezoid block, and described ejection part is wedge shape.
As preferably: be provided with locating part in described ejector pin groove, this locating part is positioned on the staple cartridge body inwall of described pushing and withstanding superstructure, and this locating part limits the distance that described pushing and withstanding structure moves up, the distance moved forward with ejection part described in limit.
Limit its range of movement by locating part, prevent nail pushing device from moving upward and excessively damage.
As preferably: just right in the middle part of the ejection part of described cutter and described pushing and withstanding structure, the width of described pushing and withstanding structure transverse direction is less than the width of described nail pushing device.
As preferably: described connection nail is two, two described connected nail holes form splayeds.
Two parallel stitching thread can couple together when sewing up by this structure equally, form the closed stitching of front end.Under this structure situation, the shape of nail pushing device changes, but principle is constant, and two suturing nails connected in nail are promoted by same nail pushing device, and the top of nail pushing device is also divided into splayed.
As preferably: described connection nail is obliquely installed relative to described push broach groove, and the both sides of this connection nail are respectively near two groups of nail front ends of push broach groove both sides.
Adopt the mode tilted also can realize closed stitching, the structure of its nail pushing device is similar with structure time vertical, just suitably tilts.
As mentioned above, the invention has the beneficial effects as follows: structure is simple, in use, two parallel stitching thread front ends can be coupled together, form closed stitching thread in push broach groove front, thus by the tissue apposition in push broach groove front, prevent hemorrhage.While cutter are pushed ahead, by the cooperation of ejection part and pushing and withstanding structure, suturing nail is upwards released by nail pushing device, realize connecting the closed of nail inseam dowel, such structure and the operating habit of doctor adapt, simple to operate.
Accompanying drawing explanation
Fig. 1 is the explosive view of the embodiment of the present invention 1;
Fig. 2 is the top view of the embodiment of the present invention 1;
Fig. 3 is the A direction view of the embodiment of the present invention 1;
Fig. 4 is the structural representation of nail pushing device in the embodiment of the present invention 1;
Fig. 5 is the front view of nail pushing device in the embodiment of the present invention 1;
Fig. 6 is the side view of nail pushing device in the embodiment of the present invention 1;
Fig. 7 is the structural representation of cutter in the embodiment of the present invention 1;
Fig. 8 is the structural representation of the embodiment of the present invention 2;
Fig. 9 is the structural representation of nail pushing device in the embodiment of the present invention 2;
Figure 10 is the top view of nail pushing device in the embodiment of the present invention 2;
Figure 11 is the front view of nail pushing device in the embodiment of the present invention 2;
Figure 12 is the right view of nail pushing device in the embodiment of the present invention 2;
Figure 13 is the structural representation of the embodiment of the present invention 3.
Piece mark explanation
1 staple cartridge body
2 push broach grooves
3 cutter
31 ejection parts
4 nail
5 connect nail
6 nail pushing devices
61 suturing nail mounting grooves
7 pushing and withstanding structures
8 locating parts
9 ejector pin grooves
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this description can understand other advantages of the present invention and effect easily.
Embodiment 1
Wherein said front end, rear end, front portion, rear portion take operator as benchmark, and nail bin is rear end near one end of operator, and the one end away from operator is front end.
As shown in Figures 1 to 7, a kind of linear anastomat suturing nail chamber structure, comprise staple cartridge body 1, staple cartridge body 1 offers push broach groove 2 along its length, in this push broach groove 2, cutter 3 are installed, the staple cartridge body 1 of push broach groove 2 both sides is respectively provided with one group of transversely arranged nail 4, two groups of nail 4 of push broach groove 2 both sides are parallel with push broach groove 2, the staple cartridge body 1 in push broach groove 2 front is provided with the connection nail 5 of one group of longitudinal arrangement, this connection nail 5 is vertical with the direction of push broach groove 2, connect the both sides of nail 5 respectively near two groups of nail 4 of push broach groove 2 both sides, and formed closed with two groups of nail 4 front ends of push broach groove 2 both sides, operationally can by the tissue apposition in push broach groove 2 front, connect in the staple cartridge body 1 below nail 5 and be provided with ejector pin groove 9, this ejector pin groove 9 is communicated with described push broach groove 2, in this ejector pin groove 9, nail pushing device 6 is set, nail pushing device 6 can move up and down along ejector pin groove 9, this nail pushing device 6 is block, the thickness of its right and left is less than the thickness at middle part, this nail pushing device 6 upper end is provided with the suturing nail mounting groove 61 of bar shaped, suturing nail mounting groove 61 is vertical with the direction of push broach groove 2, nail pushing device 6 rear portion is provided with pushing and withstanding structure 7, this pushing and withstanding structure 7 is one-body molded with nail pushing device 6, this pushing and withstanding structure 7 is cross sections is trapezoidal pushing and withstanding block, its inclined plane is towards the back lower place, cutter 3 front portion is provided with the ejection part 31 coordinated with pushing and withstanding structure 7, ejection part 31 is wedge, the rear lower of pushing and withstanding structure 7 is low early and high after inclined-plane, ejection part 31 front end face is low early and high after inclined-plane, when cutter 3 move forward to nail pushing device 6, ejection part 31 promotes nail pushing device 6 by pushing and withstanding structure 7 and moves upward.
Further as shown in Fig. 3, Fig. 4 and Fig. 5, just right in the middle part of the ejection part 31 of cutter 3 and described pushing and withstanding structure 7, the width of described pushing and withstanding structure 7 transverse direction is less than the width of described nail pushing device 6, locating part 8 is provided with in ejector pin groove 9, this locating part 8 is positioned on staple cartridge body 1 inwall above pushing and withstanding structure 7, this locating part 8 keeps off above nail pushing structure, limits the distance that described pushing and withstanding structure 7 moves up, the distance moved forward with ejection part described in limit 31.
Suturing nail in two groups of parallel nail 4 is promoted by traditional pushing slice of nail, nail bin is arranged on lower clamp front end, the nail anvil coordinated with it is installed in upper clamp front end, nail 4 all installs suturing nail with being connected in nail 5, in use, two groups of parallel nail 4 correspondences form two groups of parallel horizontal stitching thread, and connection nail 5 correspondence being positioned at push broach groove 2 front end forms the stitching thread of a longitudinal direction, two parallel stitching thread front ends are coupled together, form closed stitching thread, thus by the tissue apposition in push broach groove 2 front, prevent hemorrhage.And the suturing nail connected in nail 5 is promoted by nail pushing device 6, namely suturing nail is arranged in suturing nail mounting groove 61, while cutter 3 are pushed ahead, by the cooperation of ejection part 31 and pushing and withstanding structure 7, suturing nail is upwards released by nail pushing device 6, in realization connection nail 5, suturing nail is closed, and such structure and the operating habit of doctor adapt.Easy to operate.
Embodiment 2
As shown in Fig. 8 to Figure 12, the difference of the present embodiment and embodiment 1 is, connecting nail 5 is two, two described connection nail 5 form splayed, same two two groups of nail 4 connecting nail 5 and push broach groove 2 both sides are arranged in U-shaped structure, being formed closed in push broach groove 2 front end, can, by the tissue apposition in push broach groove 2 front, prevent hemorrhage when performing the operation.In this example, the shape of nail pushing device 6 changes, but principle is constant, and two suturing nails connected in nail 5 are promoted by same nail pushing device 6, and the top of nail pushing device 6 also distributes in splayed, is promoted equally by the ejection part 31 of cutter 3 front portion.
Embodiment 3
As shown in figure 13, the present embodiment is with the difference of embodiment 1: be connected nail 5 and be obliquely installed relative to described push broach groove 2, the both sides of this connection nail 5 are respectively near two groups of nail 4 front ends of push broach groove 2 both sides, connect nail 5 and be arranged in U-shaped structure with two groups of nail 4 of push broach groove 2 both sides, can, by the tissue apposition in push broach groove 2 front, prevent hemorrhage when performing the operation.Its nail pushing device 6 is obliquely installed, and all the other structures are all identical with embodiment 1.
Above-described embodiment is the principle of illustrative invention and effect thereof only, but not for limiting the present invention, any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or change.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (9)
1. a linear anastomat suturing nail chamber structure, comprise staple cartridge body, described staple cartridge body offers push broach groove along its length, in this push broach groove, cutter are installed, the staple cartridge body of described push broach groove both sides is respectively provided with one group of nail, it is characterized in that: the staple cartridge body in described push broach groove front is provided with one group and connects nail, nail pushing device is provided with in staple cartridge body below described connection nail, this nail pushing device upper end is provided with suturing nail mounting groove, described nail pushing device rear portion is provided with pushing and withstanding structure, described cutter front portion is provided with the ejection part with described pushing and withstanding respective outer side edges, when described cutter move forward to nail pushing device, described ejection part promotes nail pushing device by pushing and withstanding structure and moves upward.
2. linear anastomat suturing nail chamber structure according to claim 1, it is characterized in that: two groups of nail of described push broach groove both sides are parallel with push broach groove, described connection nail is at least one, and vertical with described push broach groove, the both sides of described connection nail are respectively near two groups of nail of push broach groove both sides.
3. linear anastomat suturing nail chamber structure according to claim 1 and 2, it is characterized in that: in the staple cartridge body in described push broach groove front, be provided with ejector pin groove, this ejector pin groove is communicated with described push broach groove, and described nail pushing device is arranged in this ejector pin groove, and can move up and down in this ejector pin groove.
4. linear anastomat suturing nail chamber structure according to claim 3, it is characterized in that: described nail pushing device is for block, its outline adapts with the described nail that is connected, described pushing and withstanding anatomical connectivity is at nail pushing device rear lower, this face, pushing and withstanding structure posterior end is low early and high after inclined plane, and the ejection part of described cutter front portion is low early and high after inclined plane.
5. linear anastomat suturing nail chamber structure according to claim 4, it is characterized in that: described pushing and withstanding structure is voussoir or trapezoid block, described ejection part is wedge shape.
6. linear anastomat suturing nail chamber structure according to claim 5, it is characterized in that: in described ejector pin groove, be provided with locating part, this locating part is positioned on the staple cartridge body inwall of described pushing and withstanding superstructure, this locating part limits the distance that described pushing and withstanding structure moves up, the distance moved forward with ejection part described in limit.
7. linear anastomat suturing nail chamber structure according to claim 6, is characterized in that: just right in the middle part of the ejection part of described cutter and described pushing and withstanding structure, the width of described pushing and withstanding structure transverse direction is less than the width of described nail pushing device.
8. linear anastomat suturing nail chamber structure according to claim 1, is characterized in that: described connection nail is two, and two described connected nail holes form splayed.
9. linear anastomat suturing nail chamber structure according to claim 1, is characterized in that: described connection nail is obliquely installed relative to described push broach groove, and the both sides of this connection nail are respectively near two groups of nail front ends of push broach groove both sides.
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CN201410502644.0A CN104248458B (en) | 2014-09-26 | 2014-09-26 | Linear anastomat suturing nail chamber structure |
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CN201410502644.0A CN104248458B (en) | 2014-09-26 | 2014-09-26 | Linear anastomat suturing nail chamber structure |
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CN104248458B CN104248458B (en) | 2017-03-15 |
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EP3158945A3 (en) * | 2015-10-02 | 2017-07-12 | Covidien LP | Micro surgical instrument and loading unit for use therewith |
CN107348982A (en) * | 2017-07-14 | 2017-11-17 | 苏州朗特斯医疗科技有限公司 | A kind of nail bin groupware from belt cutter |
CN109875628A (en) * | 2019-02-26 | 2019-06-14 | 宁波市爱达维电器有限公司 | The staple cartridge structure of medical suturing instrument |
CN109875627A (en) * | 2019-02-26 | 2019-06-14 | 宁波市爱达维电器有限公司 | Medical long kiss type stitching unstrument |
US10631857B2 (en) | 2016-11-04 | 2020-04-28 | Covidien Lp | Loading unit for surgical instruments with low profile pushers |
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Effective date of registration: 20171130 Address after: 400700 Chongqing city Beibei District Road No. 117 No. 56 of the Milky way Patentee after: Chongqing MEIKO Medical Technology Co., Ltd. Address before: 401120 Chongqing City, North New District, Willow Road, No. 2, Mount Huangshan Avenue, Chongqing Institute of science and technology, building B, building, floor, building 12 Patentee before: CHONGQING QMI SURGICAL CO., LTD. |