CN102835984A - Cutting anastomat for surgical operation - Google Patents
Cutting anastomat for surgical operation Download PDFInfo
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- CN102835984A CN102835984A CN2012103476951A CN201210347695A CN102835984A CN 102835984 A CN102835984 A CN 102835984A CN 2012103476951 A CN2012103476951 A CN 2012103476951A CN 201210347695 A CN201210347695 A CN 201210347695A CN 102835984 A CN102835984 A CN 102835984A
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- plate
- thimble
- gia
- side plate
- nail
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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
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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
- A61B2017/00681—Aspects not otherwise provided for
- A61B2017/00738—Aspects not otherwise provided for part of the tool being offset with respect to a main axis, e.g. for better view for the surgeon
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0801—Prevention of accidental cutting or pricking
- A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs
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- Life Sciences & Earth Sciences (AREA)
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- Heart & Thoracic Surgery (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a cutting anastomat for surgical operation. The cutting anastomat comprises an operation component, a support component and an executing component, wherein the operation component comprises a case, a closed handle and a firing handle, the executing component comprises a seat frame, a nail cabin, a nail pushing sheet and a cutting knife, the seat frame is provided with a tong jaw, the support component comprises a main push plate, two sub push plates, two connecting plates and two support frame plates, the front end of the main push plate is connected with the cutting knife, the back end of the main push plate is connected with the firing handle, the two sub push plates are respectively positioned at the left side and the right side of the main push plate, the front ends of the sub push plates are in contact with the nail pushing sheet, the main push plate and the sub push plates are clamped between the left wall plate and the right wall plate of the side plate, the front end of the side plate is connected with the nail cabin, the back end of the side plate is connected with the closed handle, the two support frame plates are positioned at the left side and the right side of the side plate, the front ends of the support frame plates are fixedly connected with the seat frame, the back ends of the support frame plates are fixedly connected with the case. The cutting anastomat provided by the invention has the advantages that the action is more reliable, and the use is safer.
Description
Technical field
The present invention relates to a kind of surgical operation and use medical apparatus and instruments, specifically, relate to a kind of Endo-GIA.
Background technology
In the cutting anastomosis operation, adopt Endo-GIA can reduce operating time, improve the operation quality.Chinese invention patent application CN102599954A discloses a kind of linear type Endo-GIA with double safety mechanism, and it comprises closed insurance institution, percussion insurance institution, left plate, dividing plate, drive plate, liner, right plate, shell, close handles, firing handle parts, left socle plate and right support plate; Said linear type Endo-GIA can load or remove the linear type cutting element; Said closed insurance institution comprises push button, thimble seat, pin one, closed insurance parts, torsion spring and thimble; Closed insurance parts are connected through pin one with torsion spring, make the hook on the closed insurance parts stop partition movement through torsion spring torsion; Need to promote push button open closed insurance institution, thimble seat continues to promote thimble, and thimble promotes the positioning needle in the linear type cutting element, after positioning needle is inserted the locating hole of liner, can operate close handles and make the apparatus jaw closed; Said percussion insurance institution comprises reed, pin two and percussion safety block; The percussion safety block is connected through pin two with reed, makes the hook on the percussion safety block stop the drive plate motion through reed elastic force; After needing loading linear type cutting element to open percussion insurance institution, can operate the firing handle parts and make drive plate drive the linear type cutting element; When the closed insurance institution of said linear type Endo-GIA all is in open mode with percussion insurance institution, just can the normal running Endo-GIA.
Chinese invention patent CN100589766C discloses a kind of cutting mechanism for arc cutting stitching instrument, comprise to beating seat, nail bin, blade, blade bearing, side plate, supporting plate, promote mainly plate, secondary push pedal, push jack and firing handle, firing handle with promote mainly plate and flexibly connect; Blade is installed on the blade bearing, and blade bearing is fixedly connected with promoting mainly plate, and push jack is fixedly mounted in the secondary push pedal; Secondary push pedal has two and link together through rivet pin, promotes mainly plate between two secondary push pedals, and secondary push pedal is inserted on the side plate; Supporting plate has two and be positioned at the side plate outside, and two supporting plates connect through rivet pin, also comprise link rod plate; Has the track groove on the supporting plate; With to promote mainly plate hinged, link rod plate is connected with supporting plate through second pin link rod plate through first pin, and second sells the track groove that is positioned at supporting plate; Link rod plate is hinged with secondary push pedal through the 3rd pin; Move in the said track groove of said second pin in supporting plate, make the 3rd pin swing forward that is connected with secondary push pedal, the track groove can order about to be promoted mainly plate the secondary push pedal of drive produces big displacement under the situation of little displacement having.
When implementing the cutting anastomosis, appear under the wild situation of art being difficult to, surgeon usually faces many challenges, as: 1. Endo-GIA is difficult to get into the lower position of male's pelvic cavity; 2. Endo-GIA can block the operation visual field; When positioning needle is not inserted in the locating hole of liner fully, after the folded tissue that closes receives the extruding of Endo-GIA jaw, can produce excessive at the opening of jaw; Will cause the anastomosis staple molding bad like this; And excessive the organizing of part do not sewed up, if this moment, tissue was cut off, can cause hemorrhage; 3. in the low level pelvic cavity, behind the good tissue of stitching, there is not unnecessary space to carry out the operation of hand cut; 4. handled easily how reduces infection chance, reduces the wound of tissue, increases the safety of operation etc.
Still there is deficiency in existing Endo-GIA at aspects such as functional reliability, operation convenience and operation safeties, awaits further perfect.
Summary of the invention
The technical problem that the present invention will solve provide a kind of work more reliable, use safer surgical operation to use Endo-GIA, to overcome the above-mentioned deficiency of prior art.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of surgical operation is used Endo-GIA, comprises functional unit, holding components and execution unit, and said functional unit comprises shell, close handles and firing handle; Said execution unit comprises that one has the mounting of jaw, a nail bin that can in said jaw, move, a pushing slice of nail that can in said nail bin, move and the cutter that can in said pushing slice of nail, move; Said holding components comprises following ingredient: promote mainly plate; The front end of promoting mainly plate is connected with said cutter, and the rear end of promoting mainly plate is connected with said firing handle; Two secondary push pedals lay respectively at the left and right sides of promoting mainly plate, and the front end of secondary push pedal contacts with said pushing slice of nail, are fixedly connected through at least two secondary push pedal rivet pin between two secondary push pedals, and the said plate of promoting mainly is provided with the mounting hole that supplies secondary push pedal rivet pin to pass; Two link rod plates; Be positioned at the outside of said two secondary push pedals; Be connected through two link rod plate rivet pin between two link rod plates; Wherein a link rod plate rivet pin is passed the horizontal kidney slot in two secondary push pedals and is promoted mainly a pin-and-hole on the plate, and another root link rod plate rivet pin is passed the vertical kidney slot in two secondary push pedals; Side plate forms and to have the groove shape structure of left and right sides wallboard, saidly promotes mainly plate and secondary push pedal is clipped between the left and right sides wallboard of side plate, and the front end of side plate is connected with said nail bin, and the rear end of side plate is connected with said close handles; Two supporting plates are positioned at the left and right sides of said side plate, and the front end of supporting plate is fixedly connected with mounting, and the rear end of supporting plate is fixedly connected with said shell.
Preferably; Said mounting comprises a chopping block portion, a junction and a saddle; Said chopping block portion and connecting portion are in the two ends of saddle; Said jaw is between chopping block portion and connecting portion, and the front end of said two supporting plates is fixedly connected with connecting portion, and the front end of said side plate passes connecting portion and is connected with said nail bin.
Further, on the side relative of said chopping block portion pad knife plate and nail supporting base are installed successively with said nail bin.
Preferably, also be provided with a slidably push button on the said shell, said push button is fixedly connected with a thimble seat, connects a thimble on the thimble seat, and the front end of thimble is connected with a positioning needle in the nail bin.
Further; The rear end of said positioning needle is provided with a contiguous block; Contiguous block is provided with an inserted slot and a centre hole; The front end of said thimble inserts in the centre hole, and the front end of thimble is provided with bigger head of a diameter and the less cervical region of a diameter, and inserted sheet inserts in the said inserted slot and blocks the cervical region of said thimble.
Further; Also comprise a closed insurance institution; Closed insurance institution comprises the stops that is fixedly connected with said side plate, be connected two between the supporting plate rotating shaft, be installed in rotation on latch hook in the rotating shaft, be fixed on the latch on the latch hook and be enclosed within the torsion spring in the rotating shaft; One end of said torsion spring is fixed, and the other end is against the stops that makes on the latch hook on latch hook and the side plate and fastens; Said thimble seat is provided with an inclined-plane, when thimble seat with push button during to front slide, latch is pushed on said inclined-plane throws off the stops on latch hook and the side plate.
Further, also fixedly mount a thimble guide pad on the said mounting, be provided with pilot hole in the thimble guide pad, the front end of said thimble passes pilot hole and is connected with positioning needle.
Preferably, said nail bin comprises a warehouse portion and a leading arm, and said leading arm and mounting are slidingly matched, and is provided with a location pin hole along leading arm, is provided with positioning needle in the pin hole of location; Said warehouse portion is positioned at the jaw of mounting and is connected with the front end of side plate.
Preferably, also be provided with a removable module cover in the jaw of said mounting.
Preferably, the end profile of said mounting and nail bin is a polygon, and the pushing slice of nail in the nail bin and the cross-sectional profiles of cutter also are polygon.
After adopting technique scheme, holding components can be realized reliable connection the between functional unit and the execution unit, and wherein supporting plate can connect mounting and the shell of functional unit in the execution unit, provides support for the motion of side plate simultaneously and leads; Side plate can pass to nail bin with the action of close handles, and it is closed to promote nail bin; Promote mainly plate and secondary push pedal and then can the action of firing handle be passed to cutter and pushing slice of nail respectively, the action of in once-through operation, accomplishing suture tissue and cutting and organizing, very easy to use; Simultaneously, the groove shape structure of side plate can provide good support and guiding for the major and minor push pedal of sliding therein, and the transmission that makes firing action improves the safety of operation more smoothly with reliable.
Description of drawings
Fig. 1 is the perspective view of Endo-GIA of the present invention.
Fig. 2 is the STRUCTURE DECOMPOSITION figure of Endo-GIA main member of the present invention.
Fig. 3 is the STRUCTURE DECOMPOSITION sketch map of Endo-GIA holding components of the present invention.
Fig. 4 is the structural representation of mounting among the present invention.
Fig. 5 is the STRUCTURE DECOMPOSITION sketch map of Endo-GIA execution unit of the present invention.
Fig. 6 is the syndeton sketch map of latus inframedium of the present invention and nail bin.
Fig. 7 is a front view of mounting among the present invention.
Fig. 8 is the cutaway view at A-A place among Fig. 7.
Fig. 9 is the cutaway view at B-B place among Fig. 7.
Figure 10 is the assembly relation sketch map of nail bin among the present invention and pushing slice of nail.
Figure 11 is the assembly relation sketch map of nail bin, pushing slice of nail and cutter among the present invention.
Figure 12 is the syndeton sketch map of positioning needle among the present invention and thimble.
Figure 13 is for promoting mainly the structural representation of plate among the present invention.
Figure 14 is the structural representation of cutter among the present invention and tool rest.
Figure 15 is for promoting mainly the syndeton sketch map of plate and tool rest among the present invention.
Figure 16 is a kind of structural representation that has the Endo-GIA of closed insurance institution of the present invention.
Figure 17 is the sketch map of a kind of closed insurance institution among the present invention.
View when Figure 18 is pushed forward for push button among the present invention.
View when Figure 19 is opened (release) for closed insurance institution among the present invention.
Figure 20 is a kind of sketch map that has the Endo-GIA of module cover of the present invention.
Figure 21 is circular arc Endo-GIA and the insertion depth contrast sketch map of polygon Endo-GIA in the human body pelvic cavity.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further explain, those skilled in the art can more clearly understand other advantages of the present invention and effect thus.
Need to prove that the structure that Figure of description illustrated, ratio, size etc. only in order to cooperate the specific embodiment, supply those skilled in the art to more clearly understand design of the present invention, are not in order to restriction protection scope of the present invention.The adjustment of the modification of any structure, the change of proportionate relationship or size not influencing under the situation that effect of the present invention and purpose reach, all should still drop within protection scope of the present invention.For the ease of describing, the relative position relation of each parts is to describe according to the Butut mode of Figure of description, as: the position relation of forward and backward, upper and lower, left and right etc. is what to confirm according to the Butut direction of Figure of description.
As shown in Figure 1, a kind of surgical operation of the present invention comprises functional unit 1, holding components 2 and execution unit 3 with Endo-GIA, and wherein functional unit 1 comprises shell 10, close handles 11 and firing handle 12 again.
Like Fig. 2, shown in Figure 5, execution unit comprises a mounting with jaw 310 31, nail bin that can in jaw 310, move 32, a pushing slice of nail 33 that can in said nail bin 32, move and the cutter 34 that can in pushing slice of nail 33, move.
Like Fig. 2, shown in Figure 3, holding components comprises following ingredient again:
Promote mainly plate 24 for one, the front end of promoting mainly plate 24 can be connected with above-mentioned cutter, and the rear end of promoting mainly plate 24 is connected with firing handle 12, pulls firing handle 12 and can drive and promote mainly plate slippage forward.
Be provided with two secondary push pedals 23 in the left and right sides of promoting mainly plate 24, the front end of secondary push pedal 23 can contact with above-mentioned pushing slice of nail, travels forward to drive pushing slice of nail.Be fixedly connected through at least two (having illustrated three among Fig. 3) secondary push pedal rivet pin 25 between two secondary push pedals 23, two secondary push pedals 23 are provided with pin-and-hole 231 and are used to wear secondary push pedal rivet pin 25; Correspondingly, be provided with the mounting hole 241 that supplies secondary push pedal rivet pin 25 to pass on the plate 24 promoting mainly, relative slip arranged within the specific limits to allow to promote mainly between plate 24 and two secondary push pedals 23.
The outside, the right and left two secondary push pedals 23 are provided with two link rod plates 26; Be connected through two link rod plate rivet pin 27a, 27b between two link rod plates 26; Wherein a link rod plate rivet pin 27a passes two horizontal kidney slots 232 in the secondary push pedal 23 and promotes mainly a pin-and-hole 242 on the plate; Another root link rod plate rivet pin 27b passes two vertical kidney slots 233 in the secondary push pedal 23; Link rod plate rivet pin 27a, 27b can be at above-mentioned horizontal kidney slots 232, vertically in the kidney slot 233 certain freedom of movement is arranged, and two link rod plates 26 are provided with pin-and-hole 261 and are used to wear link rod plate rivet pin 27a, 27b.
Also comprise a side plate 22 in the holding components; Side plate 22 forms groove shape structure by left and right sides wallboard 221,222 and upper plate 225, above-mentioned promote mainly the assembly that plate 24, two secondary push pedals 23 and two link rod plates 26 constitute be placed in the left and right sides wallboard 221 of side plate 22, between 222.The front end of side plate 22 is connected with nail bin 32, and the rear end of side plate 22 is connected with close handles 11 through connecting rod; Pull close handles 11, side plate 22 can drive nail bin 32 and in jaw 310, move forward, and makes jaw 310 closures.
Be provided with two supporting plates 21 again in the left and right sides of side plate 22; The front end of supporting plate 21 is fixedly connected with mounting 31; As shown in Figure 2; Mounting 31 is provided with 311, two supporting plate 21 front ends of pin-and-hole and is provided with pin-and-hole 211, and rivet pin 20 is passed above-mentioned pin-and-hole 211,311 with the front end rivet clasp of two supporting plates 21 left and right sides at mounting 31; Rivet pin 20 is also passed side plate 22 simultaneously, and side plate 22 is provided with mounting hole 220 and matches with rivet pin 20, makes side plate 22 before and after the direction of mounting hole 220, to slide, and plays certain guide effect; Also being provided with boss 312 on the mounting 31 matches with locating hole 212 on the supporting plate 21.Shell 10 (see figure 1)s of the rear end biconditional operation parts of supporting plate 21 are fixedly connected.
As shown in Figure 4; Mounting 31 comprises a chopping block portion 314, a junction 316 and a saddle 315; Chopping block portion 314 and connecting portion 316 are positioned at the two ends of saddle 315; Between a side, chopping block portion 314 and the connecting portion 316 of saddle 315, form said jaw 310, the front end of above-mentioned two supporting plates is fixedly connected on the connecting portion 316, and the front end of side plate then passes this connecting portion 316 and is connected with nail bin.
Please with reference to Fig. 4, Fig. 7 and Fig. 8; Pad knife plate 302 and nail supporting base 303 are installed on one of chopping block portion 314 side relative with nail bin successively; Nail supporting base 303 is provided with two flangings 305; Flanging 305 is stuck in that will fill up knife plate 302 in the groove 304 of pad on the knife plate 302 fixing, and the rivet hole 306 that rivet 301 passes on the flanging 305 is fixed nail supporting base 303, pad knife plate 302 with the rivet hole 317 in the chopping block portion 314 together.
As shown in Figure 5, pushing slice of nail 33 can insert in the nail bin 32, and cutter 34 can insert in the middle of pushing slice of nail 33 and nail bin 32 again, and cutter 34 are fixedly connected on the tool rest 35.A positioning needle 36 also is located in the nail bin 32, and the rear end of positioning needle 36 is provided with a contiguous block 361, and contiguous block 361 can be connected with a thimble 15, and thimble 15 can drive positioning needle 36 and seesaw.
Shown in figure 10, nail bin 32 comprises a warehouse portion 322 and a leading arm 321, and leading arm 321 is slidingly matched with the connecting portion of mounting, is provided with a location pin hole 324 along leading arm 321, is used to wear above-mentioned positioning needle in the pin hole 324 of location; The front end of warehouse portion 322 is provided with out nail hole 326, tool slot 325 and a projection 323, and the centre of pushing slice of nail 33 also is provided with tool slot 332; Also be provided with a projection 331 on the pushing slice of nail 33, accordingly, on nail bin 32, be provided with elastic lock 327.
Shown in figure 11, when pushing slice of nail 33 inserted in the nail bin 32, projection 331 temporarily was limited in the elastic lock 327; But when pushing slice of nail 33 is promoted forward by secondary push pedal; Projection 331 can be deviate from from elastic lock 327, and pushing slice of nail 33 is released anastomosis staple from nail bin 32, accomplishes and sews up action.
As shown in Figure 6; The warehouse portion of nail bin 32 is positioned at the jaw of mounting 31; The connecting portion that the front end of side plate 22 passes mounting 31 is connected with nail bin 32, and the front end of side plate 22 is provided with four outstanding to the inside projections 223, in the warehouse portion of nail bin 32, is provided with four draw-in grooves 320 accordingly; Through cooperating of projection 223 and draw-in groove 320, realize being connected of side plate 22 and nail bin 32.On mounting 31, also fixedly mount a thimble guide pad 37, the (see figure 2) that is connected with fixing hole 313 on the mounting 31 of the boss 371 on the thimble guide pad 37 is provided with pilot hole 372 in the thimble guide pad 37, and pilot hole 372 can supply the front end of thimble to pass.
In conjunction with reference to Fig. 6, Fig. 7 and Fig. 9; On the bottom surface of nail bin 32 warehouse portions, be provided with twice gib block 328; Be provided with gathering sill 329 between the twice gib block 328 one, accordingly, on the saddle 315 of mounting 31, be provided with the twice gathering sill 318 that cooperates with above-mentioned gib block 328; Between twice gathering sill 318, be provided with the gib block 319 that cooperates with above-mentioned gathering sill 329 together; Through cooperating of above-mentioned gathering sill and gib block, good guiding can be provided for the motion of nail bin, guarantee nail bin reliably, action swimmingly.
Shown in figure 14, be provided with handle of a knife 351 in the rear end of tool rest 35, the side of handle of a knife 351 is provided with a semicircle orifice 352.
In conjunction with reference to Figure 13 and Figure 15; Be provided with a knife inserting groove 244 at the front end of promoting mainly plate 24; In order to being connected with handle of a knife 351, also be provided with a semicircle orifice 246 in a side of knife inserting groove 244, can insert a semicircle pin 247 in the semicircle orifice 246; And insert in the semicircle orifice 352 on the handle of a knife 351, realize promoting mainly being connected of plate 24 and tool rest 35. alwaysPreferably, the rear end of semicircle pin 247 is provided with a cup head 248 that radius is big slightly, is provided with a peristome 245 at the mid portion of semicircle orifice 246.On the one hand, peristome 245 is set, can stirs semicircle pin 247 with finger easily; On the other hand; When the front end of semicircle pin is inserted in the semicircle orifice 352; Cup head 248 just in time is arranged in peristome 245; Peristome 245 can play restriction to cup head 248, and semicircle pin 247 can accident not deviate from from semicircle orifice 246, guarantees that promoting mainly plate 24 is connected with the reliable of tool rest 35.Adopt said structure, when promoting mainly the assembling of plate 24 and tool rest 35, can realize reliable connection, assemble very convenient as long as insert a semicircle pin 247; Simultaneously, coincide after the action, when promoting mainly the plate rollback, can guarantee again cutter are return in the nail bin together utilizing Endo-GIA of the present invention to accomplish cutting, avoid because of the cutter tissue around scratching of can't withdrawing.
A kind of preferred structure that thimble is connected with positioning needle is shown in figure 12; Be provided with a contiguous block 361 in the rear end of positioning needle 36; Contiguous block 361 is provided with an inserted slot 363 and a centre hole 360, and the front end of thimble 15 inserts in the centre hole 360, is provided with bigger head of a diameter 151 and the less cervical region 152 of a diameter at the front end of thimble 15; Inserted sheet 362 inserts in the said inserted slot 363 and blocks the cervical region 152 of thimble, and top nail 15 can't be deviate from from centre hole 360.Before with the nail bin grip tissue, positioning needle 36 is inserted earlier in the locating hole of mounting chopping block portion, can when clamping, play and prevent to organize excessive effect.After accomplishing the identical action of cutting, when thimble 15 was return, positioning needle 36 must be return in the nail bin together, otherwise Endo-GIA is still connected together with tissue, can not withdraw from, and caused operative failure.Therefore, thimble 15 is not only simple and convenient with the above-mentioned syndeton of positioning needle 36, and good reliability, is returning Shi Buhui generation positioning needle obscission.
Shown in figure 16, on the shell of functional unit, also be provided with a slidably push button 13, push button 13 is fixedly connected with a thimble seat 14, and thimble seat 14 is connected with thimble 15, and the front end of thimble 15 is connected with above-mentioned positioning needle.Further, the preferred embodiment of the present invention also comprises a closed insurance institution 4.
Shown in figure 17, closed insurance institution comprises the stops 224 that is fixedly connected on the side plate and 41, two supporting plates 21 of a rotating latch hook followingly respectively is provided with an ear 213; Connect a rotating shaft 42 between the ear 213, latch hook 41 is installed in rotation on rotating shaft 42, and torsion spring 43 also is enclosed within the rotating shaft 42; One end 431 of torsion spring is fixing, such as being resisted against on the bottom surface of promoting mainly plate, the other end 432 of torsion spring be against latch hook 41 below; Stops 224 on latch hook 41 and the side plate is fastened; This moment, closed insurance institution was a lockup state, because side plate by locking, is pulled close handles nail bin is travelled forward; On latch hook 41, also be fixed with a latch 44.
In conjunction with reference to Figure 18,19, thimble seat 14 is provided with an inclined-plane 141, and when promoting push button 13 forward, thimble seat 14 is thereupon to front slide, and thimble 15 promotes positioning needles 36 to front slide, passes in the locating hole that nip part 310 inserts mounting chopping block portions 314.Simultaneously, the inclined-plane 141 on the thimble seat 14 contacts with latch 44.Latch 44 is pushed on inclined-plane 141 throws off latch hook 41 and the stops 224 on the side plate, and this moment, closed insurance institution was a released state, because side plate is released; When pulling close handles 11; Side plate will drive nail bin and travel forward, and make jaw 310 closures, to reach the purpose of grip tissue.Then, pull firing handle again, secondary push pedal and promote mainly that plate drives pushing slice of nail respectively, cutter travel forward, the action of in once-through operation, accomplishing suture tissue and cutting and organizing.
Shown in figure 20; For the purpose of the safety, a removable module cover 38 can also be set in mounting 31, the projection 323 that the top of module cover 38 is provided with a semicircle breach and nail bin 32 end faces fastens; The gathering sill that the bottom of module cover 38 is provided with an elastic card claw 381 and mounting saddle fastens; Thereby module cover 38 temporarily is fixed in the jaw of mounting 31, play the sealing jaw effect, avoid Endo-GIA of the present invention under non-working condition by maloperation.Before Endo-GIA of the present invention uses, can easily module cover 38 be removed.
In a kind of preferred implementation, the present invention is a kind of polygon Endo-GIA.Shown in figure 21, the end profile 30b of mounting and nail bin is a polygon, and the pushing slice of nail in the nail bin and the cross section of cutter also are polygon.Compare with the circular arc Endo-GIA (its contrate wheel profile 30a is a camber line) of routine; Under the identical situation of the anastomosis staple quantity of holding, the maximum insertion depth L2 of polygon Endo-GIA in human body pelvic cavity 5 is greater than the maximum insertion depth L1 of circular arc Endo-GIA in human body pelvic cavity 5.Therefore, under the situation of identical pelvis size, the polygon Endo-GIA can more effectively go deep into the pelvic cavity low level, has increased the wild visuality of art, has improved the success rate of operation.
Claims (10)
1. a surgical operation is used Endo-GIA, comprises functional unit (1), holding components (2) and execution unit (3), and said functional unit (1) comprises shell (10), close handles (11) and firing handle (12); Said execution unit (3) comprises that one has the mounting (31) of jaw (310), a nail bin (32) that can in said jaw (310), move, a pushing slice of nail (33) that can in said nail bin (32), move and the cutter (34) that can in said pushing slice of nail (33), move; It is characterized in that said holding components (2) comprising:
Promote mainly plate (24), the front end of promoting mainly plate (24) is connected with said cutter (34), and the rear end of promoting mainly plate (24) is connected with said firing handle (12);
Two secondary push pedals (23); Lay respectively at the left and right sides of promoting mainly plate (24); The front end of secondary push pedal (23) contacts with said pushing slice of nail (33); Be fixedly connected through at least two secondary push pedal rivet pin (25) between two secondary push pedals (23), the said plate (24) of promoting mainly is provided with the mounting hole (241) that supplies secondary push pedal rivet pin to pass;
Two link rod plates (26); Be positioned at the outside of said two secondary push pedals (23); Pass through two link rod plate rivet pin (27a between two link rod plates (26); 27b) be connected, wherein a link rod plate rivet pin (27a) is passed the horizontal kidney slot (232) in two secondary push pedals (23) and is promoted mainly the pin-and-hole (242) on the plate (24), and another root link rod plate rivet pin (27b) is passed the vertical kidney slot (233) in two secondary push pedals (23);
Side plate (22); Formation has left and right sides wallboard (221; 222) groove shape structure is saidly promoted mainly plate (24) and secondary push pedal (23) is clipped between the left and right sides wallboard (221,222) of side plate; The front end of side plate (22) is connected with said nail bin (32), and the rear end of side plate (22) is connected with said close handles (11);
Two supporting plates (21) are positioned at the left and right sides of said side plate (22), and the front end of supporting plate (21) is fixedly connected with mounting (31), and the rear end of supporting plate (21) is fixedly connected with said shell (10).
2. surgical operation according to claim 1 is used Endo-GIA; It is characterized in that; Said mounting (31) comprises a chopping block portion (314), a junction (316) and a saddle (315); Said chopping block portion (314) and connecting portion (316) are positioned at the two ends of saddle (315); Said jaw (310) is positioned between chopping block portion (314) and the connecting portion (316), and the front end of said two supporting plates (21) is fixedly connected with connecting portion (316), and the front end of said side plate (22) passes connecting portion (316) and is connected with said nail bin (32).
3. surgical operation according to claim 2 is used Endo-GIA, it is characterized in that, pad knife plate (302) and nail supporting base (303) are installed on the side relative with said nail bin (32) of said chopping block portion (314) successively.
4. surgical operation according to claim 1 is used Endo-GIA; It is characterized in that; Also be provided with a slidably push button (13) on the said shell (10); Said push button (13) is fixedly connected with a thimble seat (14), and thimble seat (14) go up to connect a thimble (15), and the front end of thimble (15) is connected with a positioning needle (36) in the nail bin (32).
5. surgical operation according to claim 4 is used Endo-GIA; It is characterized in that; The rear end of said positioning needle (36) is provided with a contiguous block (361); Contiguous block (361) is provided with an inserted slot (363) and a centre hole (360); The front end of said thimble (15) inserts in the centre hole (360), and the front end of thimble (15) is provided with bigger head of a diameter (151) and the less cervical region (152) of a diameter, and an inserted sheet (362) inserts in the said inserted slot (362) and blocks the cervical region (152) of said thimble.
6. surgical operation according to claim 4 is used Endo-GIA; It is characterized in that; Also comprise a closed insurance institution (4); Closed insurance institution (4) comprises the stops (224) that is fixedly connected with said side plate (22), be connected rotating shaft (42) between two supporting plates (21), be installed in rotation on latch hook (41) in the rotating shaft (42), be fixed on the latch (44) on the latch hook (41) and be enclosed within the torsion spring (43) in the rotating shaft; One end of said torsion spring (43) is fixed, and the other end is against the stops (224) that makes on the latch hook (41) on latch hook and the side plate and fastens; Said thimble seat (14) is provided with an inclined-plane (141), when thimble seat (14) with push button (13) during to front slide, latch (44) is pushed in said inclined-plane (141) throws off the stops (224) on latch hook and the side plate.
7. surgical operation according to claim 4 is used Endo-GIA; It is characterized in that; Also fixedly mount a thimble guide pad (37) on the said mounting (31); Be provided with pilot hole (372) in the thimble guide pad (37), the front end of said thimble (15) passes pilot hole (372) and is connected with positioning needle (36).
8. surgical operation according to claim 1 is used Endo-GIA; It is characterized in that; Said nail bin (32) comprises a warehouse portion (322) and a leading arm (321); Said leading arm (321) is slidingly matched with mounting (31), is provided with a location pin hole (324) along leading arm (321), is provided with positioning needle (36) in the location pin hole (324); Said warehouse portion (322) is positioned at the jaw of mounting (31) and is connected with the front end of side plate (22).
9. surgical operation according to claim 1 is used Endo-GIA, it is characterized in that, also is provided with a removable module cover (38) in the jaw of said mounting (31).
10. surgical operation according to claim 1 is used Endo-GIA; It is characterized in that; The end profile of said mounting (31) and nail bin (32) is a polygon, and the pushing slice of nail (33) in the nail bin (32) and the cross-sectional profiles of cutter (34) also are polygon.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210347695.1A CN102835984B (en) | 2012-09-18 | 2012-09-18 | Cutting anastomat for surgical operation |
| PCT/CN2012/083221 WO2014043971A1 (en) | 2012-09-18 | 2012-10-19 | Cutting stapler used in surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210347695.1A CN102835984B (en) | 2012-09-18 | 2012-09-18 | Cutting anastomat for surgical operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102835984A true CN102835984A (en) | 2012-12-26 |
| CN102835984B CN102835984B (en) | 2014-07-02 |
Family
ID=47363901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210347695.1A Active CN102835984B (en) | 2012-09-18 | 2012-09-18 | Cutting anastomat for surgical operation |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102835984B (en) |
| WO (1) | WO2014043971A1 (en) |
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| CN104274223A (en) * | 2014-10-31 | 2015-01-14 | 苏州天臣国际医疗科技有限公司 | Medical anastomat |
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| CN105342655A (en) * | 2015-10-21 | 2016-02-24 | 泰戈斯医疗器械（江苏）有限公司 | Cutting stapler |
| CN105476678A (en) * | 2015-12-22 | 2016-04-13 | 苏州英途康医疗科技有限公司 | Linear cutting anastomat |
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| WO2014043971A1 (en) * | 2012-09-18 | 2014-03-27 | 常州市康迪医用吻合器有限公司 | Cutting stapler used in surgery |
| CN104274223A (en) * | 2014-10-31 | 2015-01-14 | 苏州天臣国际医疗科技有限公司 | Medical anastomat |
| CN104274223B (en) * | 2014-10-31 | 2017-01-18 | 苏州天臣国际医疗科技有限公司 | Medical anastomat |
| CN104586449B (en) * | 2015-01-12 | 2017-03-08 | 天津万和医疗器械有限公司 | Stiching instrument and its firing safety mechanism |
| CN104586449A (en) * | 2015-01-12 | 2015-05-06 | 天津万和医疗器械有限公司 | Suturing device and percussion safety mechanism thereof |
| CN104586448A (en) * | 2015-01-12 | 2015-05-06 | 天津万和医疗器械有限公司 | Stitching instrument and triggering safety device thereof |
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| CN106264713B (en) * | 2015-06-11 | 2018-12-11 | 天津瑞奇外科器械股份有限公司 | High frequency electrosurgical surgical instrument |
| CN105342655A (en) * | 2015-10-21 | 2016-02-24 | 泰戈斯医疗器械（江苏）有限公司 | Cutting stapler |
| CN105476678A (en) * | 2015-12-22 | 2016-04-13 | 苏州英途康医疗科技有限公司 | Linear cutting anastomat |
| CN105476678B (en) * | 2015-12-22 | 2018-11-09 | 苏州英途康医疗科技有限公司 | Linear incision stapler |
| CN106923875A (en) * | 2015-12-31 | 2017-07-07 | 苏州天臣国际医疗科技有限公司 | A kind of operation anastomat |
| CN106308864A (en) * | 2016-08-31 | 2017-01-11 | 江苏钱璟医疗器械有限公司 | Asymmetric annular cutting stapler of toothed portion |
| CN106308864B (en) * | 2016-08-31 | 2018-12-18 | 江苏钱璟医疗器械有限公司 | The asymmetric annular cutting anastomat of tooth trace |
| CN109419542A (en) * | 2017-08-28 | 2019-03-05 | 常州安康医疗器械有限公司 | A kind of camber Endo-GIA |
| CN108992113A (en) * | 2018-08-26 | 2018-12-14 | 江苏孜航精密五金有限公司 | The push jack cutter transmission mechanism of disposable arc line shaped Endo-GIA |
| CN108992113B (en) * | 2018-08-26 | 2023-06-13 | 江苏孜航精密五金有限公司 | Pushing piece cutting knife transmission mechanism of disposable arc-shaped cutting anastomat |
| CN113226197A (en) * | 2018-12-31 | 2021-08-06 | 西拉格国际有限公司 | Frame for surgical stapler and related manufacturing method using stamping |
| WO2021155486A1 (en) * | 2020-02-03 | 2021-08-12 | Covidien Lp | Surgical stapling instrument with curved end effector assembly |
| WO2021203344A1 (en) * | 2020-04-09 | 2021-10-14 | Covidien Lp | Anvil assembly with cutting plate |
| CN112617928A (en) * | 2020-12-04 | 2021-04-09 | 苏州法兰克曼医疗器械有限公司 | Anastomat with cutter driving mechanism capable of cutting in arc shape |
| WO2022183464A1 (en) * | 2021-03-05 | 2022-09-09 | Covidien Lp | Reload assembly for surgical stapling device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014043971A1 (en) | 2014-03-27 |
| CN102835984B (en) | 2014-07-02 |
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