CN102835984B - Cutting anastomat for surgical operation - Google Patents
Cutting anastomat for surgical operation Download PDFInfo
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- CN102835984B CN102835984B CN201210347695.1A CN201210347695A CN102835984B CN 102835984 B CN102835984 B CN 102835984B CN 201210347695 A CN201210347695 A CN 201210347695A CN 102835984 B CN102835984 B CN 102835984B
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- plate
- thimble
- side plate
- nail
- endo
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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
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 medical apparatus and instruments, specifically, relate to a kind of Endo-GIA.
Background technology
In cutting anastomosis operation, adopt Endo-GIA can reduce operating time, improve operation quality.Chinese invention patent application CN102599954A discloses a kind of Linear cutting anastomat with double safety mechanism, and it comprises closed insurance institution, firing safety mechanism, left plate, dividing plate, drive plate, liner, right plate, shell, close handles, firing handle parts, left socle plate and right support plate; Described Linear cutting anastomat can load or remove Linear cutting element; Described closed insurance institution comprises push button, thimble seat, pin one, closed insurance parts, torsion spring and thimble; Closed insurance parts are connected by pin one with torsion spring, make the hook on closed insurance parts stop partition movement by 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 Linear cutting element, and positioning needle is inserted after the locating hole of liner, can operate close handles and make apparatus jaw closure; Described firing safety mechanism comprises reed, pin two and percussion safety block; Percussion safety block is connected by pin two with reed, and the hook that makes to pull the trigger on safety block by reed elastic force stops drive plate motion; Need to load Linear cutting element and open after firing safety mechanism, can operate firing handle parts and make drive plate drive Linear cutting element; The closed insurance institution of described Linear cutting anastomat and firing safety mechanism, just can normal operating Endo-GIAs all in the time of open mode.
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 be flexibly connected, blade is arranged on blade bearing, blade bearing with promote mainly plate and be fixedly connected with, push jack is fixedly mounted in secondary push pedal, secondary push pedal has two and link together by rivet pin, promote mainly plate between two secondary push pedals, secondary push pedal is inserted on side plate, supporting plate has two and be positioned at side plate outside, two supporting plates connect by rivet pin, also comprise link rod plate, on supporting plate, there is track groove, link rod plate by the first pin with to promote mainly plate hinged, link rod plate is connected with supporting plate by the second pin, and the second pin is positioned at the track groove of supporting plate, link rod plate is hinged with secondary push pedal by the 3rd pin, in the described track groove of described the second pin in supporting plate, move, the 3rd pin being connected with secondary push pedal is swung forward, track groove can order about to be promoted mainly plate and in the situation that having little displacement, drives secondary push pedal to produce large displacement.
While implementing cutting anastomosis, in the situation that being difficult to appear visual area, surgeon usually faces many challenges, as: 1. Endo-GIA is difficult to enter the position that male's pelvic cavity is lower; 2. Endo-GIA can block the operation visual field, in the time that positioning needle is not inserted in the locating hole of liner completely, the folded tissue closing is subject to after the extruding of Endo-GIA jaw, opening at jaw can produce excessive, will cause like this anastomosis staple molding bad, and excessive the organizing of part be not sewn, if now tissue is cut off, can cause hemorrhage; 3. in low level pelvic cavity, sew up after good tissue, do not have 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.
Existing Endo-GIA is at aspects such as functional reliability, operation convenience and operation safeties, and still Shortcomings, awaits further perfect.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of work more reliable, use safer surgical operation 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 Endo-GIA, comprise functional unit, holding components and execution unit, and described functional unit comprises shell, close handles and firing handle; Described execution unit comprises that one has the mounting of jaw, a nail bin that can move in described jaw, a pushing slice of nail that can move in described nail bin and the cutter that can move in described pushing slice of nail, described holding components comprises following ingredient: promote mainly plate, the front end of promoting mainly plate is connected with described cutter, and the rear end of promoting mainly plate is connected with described 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 described pushing slice of nail, between two secondary push pedals, be fixedly connected with by least two secondary push pedal rivet pin, described in promote mainly plate and be provided with the mounting hole passing for secondary push pedal rivet pin; Two link rod plates, be positioned at the outside of described two secondary push pedals, between two link rod plates, be connected by two link rod plate rivet pin, wherein a link rod plate rivet pin is passed the horizontal kidney slot in two secondary push pedals and promotes mainly a pin-and-hole on plate, and another root link rod plate rivet pin is through the longitudinal kidney slot in two secondary push pedals; Side plate, forms and has the groove shape structure of left and right wallboard, described in promote mainly plate and secondary push pedal is clipped between the left and right wallboard of side plate, the front end of side plate is connected with described nail bin, the rear end of side plate is connected with described close handles; Two supporting plates, are positioned at the left and right sides of described 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 described shell.
Preferably, described mounting comprises a chopping block portion, a junction and a saddle, described chopping block portion and connecting portion are in the two ends of saddle, described jaw is between chopping block portion and connecting portion, the front end of described two supporting plates is fixedly connected with connecting portion, and the front end of described side plate is connected with described nail bin through connecting portion.
Further, on a side relative with described nail bin of described chopping block portion, pad knife plate and nail supporting base are installed successively.
Preferably, be also provided with a slidably push button on described shell, described push button is fixedly connected with a thimble seat, connects a thimble on thimble seat, and the front end of thimble is connected with a positioning needle in nail bin.
Further, the rear end of described positioning needle is provided with a contiguous block, contiguous block is provided with an inserted slot and a centre hole, the front end of described thimble inserts in centre hole, and the front end of thimble is provided with head and the less cervical region of a diameter that a diameter is larger, inserted sheet inserts in described inserted slot and blocks the cervical region of described thimble.
Further, also comprise a closed insurance institution, closed insurance institution comprises and described side plate is fixedly connected with stops, be connected to two rotating shafts between supporting plate, be installed in rotation on latch hook in rotating shaft, be fixed on the latch on latch hook and be enclosed within the torsion spring in rotating shaft, one end of described torsion spring is fixed, and the other end is against on latch hook the stops on latch hook and side plate is fastened; Described thimble seat is provided with an inclined-plane, and when thimble seat is with push button during to front slide, described inclined-plane capable of being unlocked by pressing pin is thrown off the stops on latch hook and side plate.
Further, also fixedly mount a thimble guide pad on described mounting, in thimble guide pad, be provided with pilot hole, the front end of described thimble is connected with positioning needle through pilot hole.
Preferably, described nail bin comprises a warehouse portion and a leading arm, and described leading arm and mounting are slidably matched, and are provided with a location pin hole along leading arm, in the pin hole of location, is provided with positioning needle; Described warehouse portion is positioned at the jaw of mounting and is connected with the front end of side plate.
Preferably, in the jaw of described mounting, be also provided with a removable module cover.
Preferably, the end profile of described mounting and nail bin is polygon, and the pushing slice of nail in nail bin and the cross-sectional profiles of cutter are also polygon.
Adopt after technique scheme, holding components can be realized reliable connection the between functional unit and execution unit, and wherein supporting plate can connect the mounting and the shell of functional unit in execution unit, is that the motion of side plate provides support and leads simultaneously; Side plate can pass to nail bin by the action of close handles, promotes nail bin closure; Promote mainly plate and secondary push pedal and the action of firing handle can be passed to respectively to cutter and pushing slice of nail, the action that completes suture tissue and cut and organize in once-through operation, very easy to use; Meanwhile, the groove shape structure of side plate can provide good support and guiding for the major and minor push pedal of sliding therein, makes the transmission of firing action more smoothly with reliable, improves the safety of operation.
Accompanying drawing explanation
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 schematic diagram of Endo-GIA holding components of the present invention.
Fig. 4 is the structural representation of mounting in the present invention.
Fig. 5 is the STRUCTURE DECOMPOSITION schematic diagram of Endo-GIA execution unit of the present invention.
Fig. 6 is the syndeton schematic diagram of latus inframedium of the present invention and nail bin.
Fig. 7 is a front view of mounting in the present invention.
Fig. 8 is the cutaway view at A-A place in Fig. 7.
Fig. 9 is the cutaway view at B-B place in Fig. 7.
Figure 10 is the assembly relation schematic diagram of nail bin and pushing slice of nail in the present invention.
Figure 11 is the assembly relation schematic diagram of nail bin, pushing slice of nail and cutter in the present invention.
Figure 12 is the syndeton schematic diagram of positioning needle and thimble in the present invention.
Figure 13 is the structural representation of promoting mainly plate in the present invention.
Figure 14 is the structural representation of cutter and tool rest in the present invention.
Figure 15 is the syndeton schematic diagram of promoting mainly plate and tool rest in the present invention.
Figure 16 is the structural representation of a kind of Endo-GIA with closed insurance institution of the present invention.
Figure 17 is the schematic diagram of a kind of closed insurance institution in the present invention.
Figure 18 is view when push button is pushed forward in the present invention.
Figure 19 is view when closed insurance institution is opened (release) in the present invention.
Figure 20 is the schematic diagram of a kind of Endo-GIA with module cover of the present invention.
Figure 21 is circular arc Endo-GIA and the insertion depth contrast schematic diagram of polygon Endo-GIA in human body pelvic cavity.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, those skilled in the art can more clearly understand other advantages of the present invention and effect thus.
It should be noted that structure that Figure of description illustrates, ratio, size etc. only in order to coordinate the specific embodiment, more clearly understand design of the present invention for those skilled in the art, not in order to limit the scope of the invention.The adjustment of the modification of any structure, the change of proportionate relationship or size, in the situation that not affecting effect of the present invention and object and reaching, within all should still dropping on protection scope of the present invention.For convenience of description, the relative position relation of each parts is to be described according to the Butut mode of Figure of description, as: the position relationship of forward and backward, upper and lower, left and right etc. is to determine 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 again shell 10, close handles 11 and firing handle 12.
As shown in Fig. 2, Fig. 5, execution unit comprises a mounting with jaw 310 31, nail bin that can move in jaw 310 32, the pushing slice of nail 33 that can move in described nail bin 32 and the cutter 34 that can move in pushing slice of nail 33.
As shown in Figure 2 and Figure 3, holding components comprises again following ingredient:
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, to drive pushing slice of nail to travel forward.Between two secondary push pedals 23, be fixedly connected with by least two (having illustrated three in Fig. 3) secondary push pedal rivet pin 25, two secondary push pedals 23 are provided with pin-and-hole 231 for wearing secondary push pedal rivet pin 25; Correspondingly, on plate 24, be provided with the mounting hole 241 passing for secondary push pedal rivet pin 25 promoting mainly, have within the specific limits relative sliding to allow to promote mainly between plate 24 and two secondary push pedals 23.
In the outside of two secondary push pedals 23, the right and left is provided with two link rod plates 26, between two link rod plates 26, pass through two link rod plate rivet pin 27a, 27b is connected, wherein a link rod plate rivet pin 27a passes the horizontal kidney slot 232 in two secondary push pedals 23 and promotes mainly a pin-and-hole 242 on plate, another root link rod plate rivet pin 27b is through the longitudinal kidney slot 233 in two secondary push pedals 23, link rod plate rivet pin 27a, 27b can be at above-mentioned horizontal kidney slot 232, longitudinally in kidney slot 233, there is certain freedom of movement, two link rod plates 26 are provided with pin-and-hole 261 for wearing link rod plate rivet pin 27a, 27b.
In holding components, also comprise a side plate 22, side plate 22 forms groove shape structure by left and right wallboard 221,222 and upper plate 225, above-mentionedly promotes mainly the assembly that plate 24, two secondary push pedals 23 and two link rod plates 26 form and is placed between the left and right wallboard 221,222 of side plate 22.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 by connecting rod; Pull close handles 11, side plate 22 can drive nail bin 32 to move forward in jaw 310, makes jaw 310 closures.
Be provided with again two supporting plates 21 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 pin-and-hole 311, two supporting plate 21 front ends are provided with pin-and-hole 211, rivet pin 20 through above-mentioned pin-and-hole 211,311 by the front end rivet clasp of two supporting plates 21 left and right sides at mounting 31; Rivet pin 20 is simultaneously also through side plate 22, and side plate 22 is provided with mounting hole 220 and matches with rivet pin 20, side plate 22 can be slided before and after the direction of mounting hole 220, and play certain guide effect; On mounting 31, being also provided with boss 312 matches with the locating hole 212 on supporting plate 21.The shell 10(of the rear end biconditional operation parts of supporting plate 21 is shown in Fig. 1) be fixedly connected with.
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 described jaw 310, the front end of above-mentioned two supporting plates is fixedly connected on connecting portion 316, and the front end of side plate is connected with nail bin through this connecting portion 316.
Please refer to Fig. 4, Fig. 7 and Fig. 8, pad knife plate 302 and nail supporting base 303 are installed successively on one of chopping block portion 314 side relative with nail bin, nail supporting base 303 is provided with two flangings 305, flanging 305 is stuck in that in the groove 304 of pad on knife plate 302, will pad knife plate 302 fixing, and a rivet 301 is fixed with the rivet hole 317 in chopping block portion 314 through the rivet hole 306 on flanging 305 together with nail supporting base 303, pad knife plate 302.
As shown in Figure 5, pushing slice of nail 33 can insert in nail bin 32, and cutter 34 can insert again in the middle of pushing slice of nail 33 and nail bin 32, and cutter 34 are fixedly connected on tool rest 35.A positioning needle 36 is also located in 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 to seesaw.
As shown in figure 10, nail bin 32 comprises a warehouse portion 322 and a leading arm 321, and leading arm 321 is slidably matched with the connecting portion of mounting, is provided with a location pin hole 324 along leading arm 321, locates in pin hole 324 for wearing above-mentioned positioning needle; 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 is also provided with tool slot 332; On pushing slice of nail 33, be also provided with a projection 331, accordingly, on nail bin 32, be provided with elastic lock 327.
As shown in figure 11, in the time that pushing slice of nail 33 inserts in nail bin 32, projection 331 is temporarily limited in elastic lock 327, but in the time that 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, completes 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 front end of side plate 22 is connected with nail bin 32 through the connecting portion of mounting 31, 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, be provided with accordingly four draw-in grooves 320, by coordinating 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 the fixing hole 313 on mounting 31 of the boss 371 on thimble guide pad 37, is provided with pilot hole 372 in thimble guide pad 37, and pilot hole 372 can pass for the front end of thimble.
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, between twice gib block 328, be provided with gathering sill 329 one, accordingly, on the saddle 315 of mounting 31, be provided with the twice gathering sill 318 coordinating with above-mentioned gib block 328, between twice gathering sill 318, be provided with the gib block 319 coordinating with above-mentioned gathering sill 329 together, by coordinating of above-mentioned gathering sill and gib block, can be for the motion of nail bin provides good guiding, guarantee nail bin reliably, action swimmingly.
As 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 be connected with handle of a knife 351, also be provided with a semicircle orifice 246 in a side of knife inserting groove 244, in semicircle orifice 246, can insert a semicircle pin 247, and insert in the semicircle orifice 352 on handle of a knife 351, realize and promote 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 slightly large, 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, in the time that the front end of semicircle pin is inserted in semicircle orifice 352, cup head 248 is just in time arranged in peristome 245, peristome 245 can play restriction to cup head 248, semicircle pin 247 can surprisingly not deviate from from semicircle orifice 246, guarantee that promoting mainly plate 24 is connected with the reliable of tool rest 35.Adopt said structure, in the time promoting mainly the assembling of plate 24 and tool rest 35, can realize reliable connection as long as insert a semicircle pin 247, assemble very convenient; Meanwhile, utilizing Endo-GIA of the present invention to complete after the identical action of cutting, while promoting mainly plate rollback, can guarantee again cutter to return together in nail bin, avoid cannot retracting and scratching tissue around because of cutter.
A kind of preferred structure that thimble is connected with positioning needle as 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, the front end of thimble 15 inserts in centre hole 360, be provided with at the front end of thimble 15 head 151 and the less cervical region 152 of a diameter that a diameter is larger, inserted sheet 362 inserts in described inserted slot 363 and blocks the cervical region 152 of thimble, and top nail 15 cannot be deviate from from centre hole 360.Before by nail bin grip tissue, positioning needle 36 is first inserted in the locating hole of mounting chopping block portion, can in the time clamp, play and prevent from organizing excessive effect.Complete cutting and coincide after action, in the time that thimble 15 is return, positioning needle 36 must be return in nail bin together, otherwise can make Endo-GIA still connect together with tissue, can not withdraw, and causes 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.
As shown in figure 16, be also provided with a slidably push button 13 on the shell of functional unit, 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.
As shown in figure 17, closed insurance institution comprises the stops 224 and the rotating latch hook 41 that are fixedly connected on side plate, below two supporting plates 21, be respectively provided with an ear 213, between ear 213, connect a rotating shaft 42, latch hook 41 is installed in rotation on rotating shaft 42, torsion spring 43 is also enclosed within 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 is against below latch hook 41, latch hook 41 and the stops 224 on side plate are fastened, now closed insurance institution is lockup state, because side plate is by locking, pulling close handles also cannot make nail bin travel forward, on latch hook 41, be also fixed with a latch 44.
In conjunction with reference to Figure 18,19, thimble seat 14 is provided with an inclined-plane 141, and in the time promoting push button 13 forward, thimble seat 14 is thereupon to front slide, and thimble 15 promotes positioning needle 36 to front slide, inserts in the locating hole of mounting chopping block portion 314 through nip part 310.Meanwhile, the inclined-plane 141 on thimble seat 14 contacts with latch 44.Inclined-plane 141 capable of being unlocked by pressing pins 44 are thrown off latch hook 41 and the stops 224 on side plate, and now closed insurance institution is released state, because side plate is released, while pulling close handles 11, side plate travels forward drive nail bin, makes jaw 310 closures, to reach the object of grip tissue.Then, then pull firing handle, secondary push pedal and promote mainly plate and drive respectively pushing slice of nail, cutter to travel forward, the action that completes suture tissue and cut and organize in once-through operation.
As shown in figure 20, for the purpose of safety, a removable module cover 38 can also be set mounting 31 is interior, the projection 323 that the top of module cover 38 is provided with a semicircle breach and nail bin 32 end faces fastens, the bottom of module cover 38 is provided with an elastic card claw 381 and fastens with the gathering sill of mounting saddle, thereby module cover 38 is temporarily fixed in the jaw of mounting 31, plays the effect of sealing jaw, avoid Endo-GIA of the present invention to be misused under non-working condition.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.As shown in figure 21, the end profile 30b of mounting and nail bin is polygon, and the pushing slice of nail in nail bin and the cross section of cutter are also polygon.Compared with conventional circular arc Endo-GIA (its contrate wheel profile 30a is camber line), in the case of the anastomosis staple quantity held is identical, 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, the in the situation that of identical pelvis size, polygon Endo-GIA can more effectively go deep into pelvic cavity low level, has increased the visuality of visual area, has improved the success rate of operation.
Claims (9)
1. a surgical operation Endo-GIA, comprises functional unit (1), holding components (2) and execution unit (3), and described functional unit (1) comprises shell (10), close handles (11) and firing handle (12); Described execution unit (3) comprises that one has the mounting (31) of jaw (310), a nail bin (32) that can move in described jaw (310), a pushing slice of nail (33) that can move in described nail bin (32) and the cutter (34) that can move in described pushing slice of nail (33), it is characterized in that, described holding components (2) comprising:
Promote mainly plate (24), the front end of promoting mainly plate (24) is connected with described cutter (34), and the rear end of promoting mainly plate (24) is connected with described 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 described pushing slice of nail (33), between two secondary push pedals (23), be fixedly connected with by least two secondary push pedal rivet pin (25), described in promote mainly plate (24) and be provided with the mounting hole (241) passing for secondary push pedal rivet pin;
Two link rod plates (26), be positioned at the outside of described two secondary push pedals (23), between two link rod plates (26), pass through two link rod plate rivet pin (27a, 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 plate (24), and another root link rod plate rivet pin (27b) is through the longitudinal kidney slot (233) in two secondary push pedals (23);
Side plate (22), formation has left and right wallboard (221,222) groove shape structure, the described left and right wallboard (221 of promoting mainly plate (24) and secondary push pedal (23) and be clipped in side plate, 222) between, the front end of side plate (22) is connected with described nail bin (32), and the rear end of side plate (22) is connected with described close handles (11);
Two supporting plates (21), are positioned at the left and right sides of described 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 described shell (10);
Described mounting (31) comprises a chopping block portion (314), a junction (316) and a saddle (315), described chopping block portion (314) and connecting portion (316) are positioned at the two ends of saddle (315), described jaw (310) is positioned between chopping block portion (314) and connecting portion (316), the front end of described two supporting plates (21) is fixedly connected with connecting portion (316), and the front end of described side plate (22) is connected with described nail bin (32) through connecting portion (316).
2. surgical operation Endo-GIA according to claim 1, is characterized in that, pad knife plate (302) and nail supporting base (303) are installed on a side relative with described nail bin (32) of described chopping block portion (314) successively.
3. surgical operation Endo-GIA according to claim 1, it is characterized in that, on described shell (10), be also provided with a slidably push button (13), described push button (13) is fixedly connected with a thimble seat (14), the upper thimble (15) that connects of thimble seat (14), the front end of thimble (15) is connected with the positioning needle (36) in nail bin (32).
4. surgical operation Endo-GIA according to claim 3, it is characterized in that, the rear end of described 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 described thimble (15) inserts in centre hole (360), and the front end of thimble (15) is provided with the head that a diameter is larger (151) and the less cervical region (152) of a diameter, and an inserted sheet (362) inserts in described inserted slot (362) and blocks the cervical region (152) of described thimble.
5. surgical operation Endo-GIA according to claim 3, it is characterized in that, also comprise a closed insurance institution (4), closed insurance institution (4) comprises the stops (224) being fixedly connected with described side plate (22), be connected to the rotating shaft (42) between two supporting plates (21), be installed in rotation on the latch hook (41) in rotating shaft (42), be fixed on the latch (44) on latch hook (41) and be enclosed within the torsion spring (43) in rotating shaft, one end of described torsion spring (43) is fixed, the other end is against on latch hook (41) stops (224) on latch hook and side plate is fastened, described thimble seat (14) is provided with an inclined-plane (141), and when thimble seat (14) is with push button (13) during to front slide, described inclined-plane (141) capable of being unlocked by pressing pin (44) is thrown off the stops (224) on latch hook and side plate.
6. surgical operation Endo-GIA according to claim 3, it is characterized in that, on described mounting (31), also fixedly mount a thimble guide pad (37), in thimble guide pad (37), be provided with pilot hole (372), the front end of described thimble (15) is connected with positioning needle (36) through pilot hole (372).
7. surgical operation Endo-GIA according to claim 1, it is characterized in that, described nail bin (32) comprises a warehouse portion (322) and a leading arm (321), described leading arm (321) is slidably matched with mounting (31), be provided with a location pin hole (324) along leading arm (321), in location pin hole (324), be provided with positioning needle (36); Described warehouse portion (322) is positioned at the jaw of mounting (31) and is connected with the front end of side plate (22).
8. surgical operation Endo-GIA according to claim 1, is characterized in that, is also provided with a removable module cover (38) in the jaw of described mounting (31).
9. surgical operation Endo-GIA according to claim 1, it is characterized in that, the end profile of described mounting (31) and nail bin (32) is polygon, and the pushing slice of nail (33) in nail bin (32) and the cross-sectional profiles of cutter (34) are also 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 CN102835984A (en) | 2012-12-26 |
| CN102835984B true CN102835984B (en) | 2014-07-02 |
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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) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102835984B (en) * | 2012-09-18 | 2014-07-02 | 常州市康迪医用吻合器有限公司 | Cutting anastomat for surgical operation |
| CN104107077B (en) * | 2014-07-09 | 2016-08-24 | 苏州天臣国际医疗科技有限公司 | Stapler and the nail bin groupware for this stapler |
| 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 |
| CN104586448B (en) * | 2015-01-12 | 2017-03-08 | 天津万和医疗器械有限公司 | A kind of stiching instrument and its percussion safety device |
| 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 |
| CN105342655B (en) * | 2015-10-21 | 2018-08-17 | 泰戈斯医疗器械（江苏）有限公司 | Stapler |
| 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 |
| 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 |
| AU2017258826A1 (en) | 2016-12-02 | 2018-06-21 | Covidien Lp | Surgical stapling instrument with curved end effector |
| 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 |
| 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 |
| US11259804B2 (en) * | 2018-12-31 | 2022-03-01 | Cilag Gmbh International | Frame for surgical stapler and associated method of manufacture with stamping |
| CA3169734A1 (en) * | 2020-02-03 | 2021-08-12 | Coviden Lp | Surgical stapling instrument with curved end effector assembly |
| WO2021174431A1 (en) * | 2020-03-04 | 2021-09-10 | Covidien Lp | Anvil assembly with cutting plate |
| CN115426958A (en) * | 2020-04-09 | 2022-12-02 | 柯惠有限合伙公司 | Anvil assembly with cutting board |
| US20230255627A1 (en) * | 2020-06-12 | 2023-08-17 | Covidien Lp | Curved surgical stapling device |
| CN112617928B (en) * | 2020-12-04 | 2021-11-19 | 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 |
| CN116963675A (en) * | 2021-03-05 | 2023-10-27 | 柯惠有限合伙公司 | Reload assembly for surgical stapling device |
| WO2023281459A1 (en) * | 2021-07-09 | 2023-01-12 | Cilag Gmbh International | Cartridge retention features for curved surgical stapler |
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| CN102835984B (en) * | 2012-09-18 | 2014-07-02 | 常州市康迪医用吻合器有限公司 | Cutting anastomat for surgical operation |
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- 2012-09-18 CN CN201210347695.1A patent/CN102835984B/en active Active
- 2012-10-19 WO PCT/CN2012/083221 patent/WO2014043971A1/en active Application Filing
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| CN1689530A (en) * | 2003-12-30 | 2005-11-02 | 伊西康内外科公司 | Cartridge retainer for a curved cutter stapler |
| CN101305927A (en) * | 2008-06-27 | 2008-11-19 | 常州市康迪医用吻合器有限公司 | Cutting mechanism for arc cutting stitching instrument |
| CN102579096A (en) * | 2012-03-31 | 2012-07-18 | 常州市康迪医用吻合器有限公司 | Linear cutting element with E-shaped guiding element |
| CN102599954A (en) * | 2012-03-31 | 2012-07-25 | 常州市康迪医用吻合器有限公司 | Linear cutting anastomat with double security mechanisms |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102835984A (en) | 2012-12-26 |
| WO2014043971A1 (en) | 2014-03-27 |
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