CN104367357A - Safety mechanism of executing assembly of incision stapler - Google Patents
Safety mechanism of executing assembly of incision stapler Download PDFInfo
- Publication number
- CN104367357A CN104367357A CN201410650827.7A CN201410650827A CN104367357A CN 104367357 A CN104367357 A CN 104367357A CN 201410650827 A CN201410650827 A CN 201410650827A CN 104367357 A CN104367357 A CN 104367357A
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- CN
- China
- Prior art keywords
- block
- piece
- percussion
- locking
- safety
- 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
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
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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
- A61B17/07207—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 the staples being applied sequentially
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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
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
- A61B17/32093—Incision instruments for skin incisions
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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
- A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
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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
- A61B2017/0688—Packages or dispensers for surgical staplers
Abstract
The invention provides a safety mechanism of an executing assembly of an incision stapler, and relates to the technical field of staplers. The safety mechanism comprises a sleeve piece, an inner core, a secondary percussion safety mechanism body and a connecting pin locking safety mechanism body. The sleeve piece is connected with the back end of a binding clip and provided with a percussion adjustment through hole. The inner core is arranged inside the sleeve piece. The secondary percussion safety mechanism body comprises a percussion safety block and a leaf spring which are sequentially arranged on the inner core from front to back, a secondary percussion stop piece is arranged at the front end of the leaf spring, and an ejection piece and a stop piece ejection part are arranged on a body of the percussion safety block. The connecting pin locking safety mechanism body comprises a locking safety block, spring pieces and a locking piece, the locking safety block, the spring pieces and the locking piece are arranged on the inner core, a limiting groove is formed in the bottom of the locking safety block, the two ends of the spring pieces are connected with the locking safety block and the inner core respectively, the locking piece is located between the locking safety block and the inner core, and a locking part is arranged at one end of an elastic push plate. The safety mechanism is simple in structure and convenient to use, secondary percussion can be prevented, and jaw closing or early percussion caused by wrong operation can be prevented.
Description
Technical field
The present invention relates to stapling technique in anus reservation field, particularly relate to a kind of insurance institution of Endo-GIA executive module.
Background technology
The scope Endo-GIA and the executive module thereof that are applicable to Minimally Invasive Surgery are that a kind of multiple anastomosis staple intermeshing arrangement can being in line in tissue hammers into, and simultaneously with the apparatus that the tissue between anastomosis staple line cuts off by cutter, also be one of apparatus being widely used in Minimally Invasive Surgery, the excision being mainly used in organizing in the open or endoscopic surgery of abdominal surgery, gynecological, department of pediatrics and thoracic surgery, cross-section and identical.
Chinese invention patent " being applicable to the Endo-GIA of Minimally Invasive Surgery " application number is that CN201310263622.9 discloses a kind of surgical instruments, this connecting rod being applicable to the Endo-GIA of Minimally Invasive Surgery can be connected with the connecting pin of an executive module, under the drive of driving mechanism, connecting rod can move in Endo-GIA, connecting rod drives elastic pusher by connecting pin, and the associated components that elastic pusher is promoted in jaw assembly completes ejector pin, cutting action.
Chinese invention patent " being applicable to the Endo-GIA executive module of Minimally Invasive Surgery " application number is that CN201310265504.1 discloses a kind of executive module, the binding clip of this executive module is provided with nail bin, nail supporting base, pedestal, pushing slice of nail and cutter etc., this executive module is loaded on Endo-GIA, can complete and coincide and cut and organize.
But, existing Endo-GIA executive module does not arrange insurance institution, when operating when making a fault, docking of executive module and Endo-GIA can be affected, or there is the situation of advanced primer ignition, may be there is the situation that secondary is pulled the trigger in existing executive module in addition, and these situations all will cause operative failure.
Summary of the invention
The shortcoming of prior art in view of the above, the technical problem that the present invention solves be to provide a kind of structure simple, easy to use, prevent secondary from pulling the trigger, prevent the jaw caused because of maloperation from closing or the insurance institution of Endo-GIA executive module of advanced primer ignition.
For achieving the above object and other relevant objects, the invention provides a kind of insurance institution of Endo-GIA executive module, can be connected, comprise: sleeve part, be connected with the rear end of described binding clip with a binding clip, described sleeve part is provided with percussion and regulates through hole; Inner core, is arranged at described sleeve part inner; Secondary firing safety mechanism, comprise and be set in turn in percussion safety block on described inner core and reed from front to back, the front end of described reed is provided with secondary percussion block piece, and the body of described percussion safety block is provided with pulls the trigger the ejection piece that regulates through hole corresponding to described and pull the trigger the corresponding block piece jacking part of block piece with described secondary; When described secondary firing safety mechanism is in open mode, described secondary percussion block piece holds up by the block piece jacking part of described percussion safety block; When described secondary firing safety mechanism is in closed condition, block piece jacking part and the described secondary of described percussion safety block are pulled the trigger block piece and are separated; Elastic pusher, be arranged in inner core, the front-end and back-end of described elastic pusher are connected with described binding clip and connecting pin respectively, and described elastic pusher is provided with the percussion block carrier corresponding to described ejection piece and pulls the trigger the corresponding block piece carrier of block piece with described secondary; The bottom of described ejection piece is inserted in described percussion block carrier, makes described elastic pusher drive described percussion safety block moving axially along described sleeve part; When described ejection piece moves to the below of percussion adjustment through hole of described sleeve part, the top of described ejection piece is inserted in described percussion and regulates in through hole; When described secondary percussion block piece is inserted in described block piece carrier, described secondary percussion block piece stops described elastic pusher forward end to move.
Preferably, the bottom of described ejection piece is tip, described percussion block carrier is the first groove be arranged on described elastic pusher, the leading flank of described percussion block carrier is relative inclined-plane with the trailing flank of described percussion block carrier, the leading flank of described percussion block carrier is corresponding to the leading flank of the bottom of described ejection piece, and the trailing flank of described percussion block carrier is corresponding to the trailing flank of the bottom of described ejection piece.
Preferably, described secondary percussion block piece is percussion safety plug, described block piece carrier is the second groove be arranged on described elastic pusher, and the leading flank of described block piece carrier is respectively inclined-plane and the vertical vertical with the axis of described sleeve part with the trailing flank of described block piece carrier.
Preferably, the trailing flank of described block piece jacking part is inclined-plane.
Preferably, the front end of described percussion safety block is also provided with two pintles be oppositely arranged; Described inner core is provided with the first platform for described percussion safety block movement, and the front portion of described first platform is provided with the first groove and the second groove from front to back successively along the axis of described sleeve part; When described secondary firing safety mechanism is in open mode, described pintle snaps in described second groove; When described secondary firing safety mechanism is in closed condition, described pintle snaps in described first groove.
Preferably, described inner core is provided with the second platform, and described reed is connected with described second platform.
Preferably, the insurance institution of described Endo-GIA executive module also comprises connecting pin locking insurance institution, and described connecting pin locking insurance institution comprises the locking safety block, spring part and the locking piece that are arranged on described inner core; Described locking safety block can relative to described inner core moving axially along described sleeve part, the bottom of described locking safety block is provided with rolling groove and stopper slot, described rolling groove is in the front of described stopper slot, and the degree of depth of described rolling groove is less than the degree of depth of described stopper slot; The two ends of described spring part are connected with described locking safety block and described inner core respectively; Described locking piece is between described locking safety block and described inner core; One end be connected with described connecting pin of described elastic pusher is provided with lock part; When described connecting pin locking insurance institution is in closed condition, described locking piece is in described lock part, and described locking piece is positioned at the below of described rolling groove, and described locking piece stops that described elastic pusher forward end moves; When described connecting pin locking insurance institution be in open time, described locking piece is in described lock part, and described locking piece is in the below of described stopper slot, and described elastic pusher can promote the top that described locking piece is moved upward to described lock part.
Further, the chute and two support portions be oppositely arranged that slide for described elastic pusher is also provided with in described inner core, two described support section other places be oppositely arranged are in the both sides of described chute, and the two ends of described locking piece are placed on two described support portions respectively; Described lock part is the 3rd groove be arranged on described elastic pusher, and the leading flank of described lock part and the trailing flank of described lock part are the inclined-plane be oppositely arranged.
Further, described inner core is provided with the 3rd platform for the movement of described locking safety block, and the end face of described 3rd platform is provided with positioning boss; Described locking safety block is provided with the position adjustments through hole inserted for described positioning boss, and the size of described position adjustments through hole is greater than the size of described positioning boss; Described sleeve part is also provided with the locating hole corresponding to described positioning boss, and the top of described positioning boss is inserted in described locating hole, and described positioning boss is connected with described locating hole.
Further, the side of described 3rd platform is provided with the spring placing trough put into for spring part; The front-end and back-end of described spring part are connected with the front side wall of described spring placing trough and the rear end of described locking safety block respectively.
As mentioned above, the insurance institution of Endo-GIA executive module of the present invention, has following beneficial effect: structure of the present invention is simple, easy to use, can prevent secondary from pulling the trigger, and can prevent the jaw caused because of maloperation from closing or advanced primer ignition.
Accompanying drawing explanation
Fig. 1 is shown as the structural representation of the Endo-GIA executive module of the present embodiment.
Fig. 2 is shown as the structural representation of the Endo-GIA executive module dismounting sleeve part of the present embodiment.
The insurance institution that Fig. 3 is shown as the Endo-GIA executive module of the present embodiment is in profile during original state.
Fig. 4 is shown as the decomposition texture schematic diagram of the insurance institution of the Endo-GIA executive module of the present embodiment.
Fig. 5 is shown as the structural representation of the inner core of the insurance institution of the Endo-GIA executive module of the present embodiment.
Fig. 6 is shown as the structural representation of the locking safety block of the insurance institution of the Endo-GIA executive module of the present embodiment.
Fig. 7 is shown as the structural representation of the percussion safety block of the insurance institution of the Endo-GIA executive module of the present embodiment.
Fig. 8 is shown as the insurance institution of the Endo-GIA executive module of the present embodiment and the structural representation of Endo-GIA connection procedure.
Structural representation after the insurance institution that Fig. 9 is shown as the Endo-GIA executive module of the present embodiment has been connected with Endo-GIA.
The connecting pin locking insurance institution that Figure 10 is shown as the insurance institution of the Endo-GIA executive module of the present embodiment is in the structural representation of open mode.
When Figure 11 is shown as the Endo-GIA executive module percussion of the present embodiment, the percussion block carrier of elastic pusher and the structural representation of pulling the trigger safety block and contacting.
When Figure 12 is shown as the Endo-GIA executive module percussion of the present embodiment, the pintle of percussion safety block snaps into the structural representation of the first groove.
When Figure 13 is shown as the Endo-GIA executive module percussion of the present embodiment, ejection piece enters the structural representation that percussion regulates through hole.
Structural representation when the Endo-GIA executive module that Figure 14 is shown as the present embodiment is pulled the trigger completely.
Structural representation when the Endo-GIA executive module that Figure 15 is shown as the present embodiment resets completely.
Figure 16 is shown as the structural representation during Endo-GIA executive module secondary percussion of the present embodiment.
Drawing reference numeral explanation
1 Endo-GIA executive module
The insurance institution of 10 Endo-GIA executive modules
100 sleeve parts
101 percussions regulate through hole
102 observation ports
103 locating holes
200 inner cores
210 first platforms
211 first grooves
212 second grooves
220 second platforms
221 lobe
222 cotter ways
230 support portions
240 the 3rd platforms
241 positioning boss
242 spring placing troughs
250 chutes
300 2 firing safety mechanisms
310 percussion safety blocks
311 pintles
320 reeds
321 connecting through holes
330 2 percussion block pieces
340 ejection pieces
341 projections
350 block piece jacking parts
400 elastic pushers
410 percussion block carriers
The leading flank of 411 percussion block carriers
The trailing flank of 412 percussion block carriers
420 block piece carriers
The leading flank of 421 block piece carriers
The trailing flank of 422 block piece carriers
430 lock parts
The leading flank of 431 lock parts
The trailing flank of 432 lock parts
500 connecting pin locking insurance institutions
510 locking safety blocks
511 stopper slots
512 position adjustments through holes
513 rolling grooves
514 connect protuberance
520 spring parts
530 locking piece
600 connecting pins
2 binding clips
3 Endo-GIAs
31 connecting rods
32 anastomat inner cores
The degree of depth of L1 rolling groove
The degree of depth of L2 stopper slot
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.
Refer to accompanying drawing.Notice, structure, ratio, size etc. that this description institute accompanying drawings illustrates, content all only in order to coordinate description to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the present invention can produce and the object that can reach, still all should drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, quote in this description as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
As shown in Figure 1, the insurance institution 10 of the Endo-GIA executive module of the present embodiment, can connect and compose Endo-GIA executive module 1 with a binding clip 2;
As shown in Figure 1 to Figure 3, the insurance institution 10 of Endo-GIA executive module comprises: sleeve part 100, inner core 200, secondary firing safety mechanism 300, elastic pusher 400 and connecting pin 600;
Sleeve part 100 is connected with the rear end of binding clip 2, and sleeve part 100 is provided with percussion and regulates through hole 101;
Inner core 200, is arranged at sleeve part 100 inner;
Secondary firing safety mechanism 300, comprise and be set in turn in percussion safety block 310 on inner core 200 and reed 320 from front to back, the front end of reed 320 is provided with secondary percussion block piece 330, and the body of percussion safety block 310 is provided with and pulls the trigger the ejection piece 340 that regulates through hole 101 corresponding and pull the trigger the corresponding block piece jacking part 350 of block piece 330 with secondary;
When secondary firing safety mechanism 300 is in open mode, secondary is pulled the trigger block piece 330 and is held up by the block piece jacking part 350 of percussion safety block 310; When secondary firing safety mechanism 300 is in closed condition, the block piece jacking part 350 of percussion safety block 310 is pulled the trigger block piece 330 with secondary and is separated;
Elastic pusher 400, be arranged in inner core 200, the front-end and back-end of elastic pusher 400 are connected with binding clip 2 and connecting pin 600 respectively, and elastic pusher 400 is provided with the percussion block carrier 410 corresponding to ejection piece 340 and pulls the trigger the corresponding block piece carrier 420 of block piece 330 with secondary; The bottom of ejection piece 340 is inserted in percussion block carrier 410, makes elastic pusher 400 drive percussion safety block 310 moving axially along sleeve part 100;
When ejection piece 340 moves to the below of percussion adjustment through hole 101 of sleeve part 100, the top of ejection piece 340 is inserted in percussion and regulates in through hole 101; When secondary percussion block piece 330 is inserted in block piece carrier 420, secondary percussion block piece 330 stops elastic pusher 400 forward end to move.
As shown in Fig. 1 to Fig. 3, Figure 10 to Figure 13, Figure 16, when Endo-GIA executive module 1 is in original state, secondary firing safety mechanism 300 is in open mode, and secondary is pulled the trigger block piece 330 and held up by the block piece jacking part 350 of percussion safety block 310, when Endo-GIA executive module 1 is pulled the trigger, elastic pusher 400 is under the driving of connecting pin 600, axial forward end along sleeve part 100 moves, bottom due to ejection piece 340 is inserted in the percussion block carrier 410 of elastic pusher 400, elastic pusher 400 drives percussion safety block 310 to move, make the block piece jacking part 350 of percussion safety block 310 and secondary pull the trigger block piece 330 to separate, now secondary firing safety mechanism 300 is in closed condition, pull the trigger before block piece 330 separates with secondary in block piece jacking part 350, block piece carrier 420 moves to the below of percussion safety block 310, so when block piece jacking part 350 and the secondary of pulling the trigger safety block 310 pull the trigger block piece 330 separate time, secondary percussion block piece 330 can not fall into block piece carrier 420, when moving to the below of percussion adjustment through hole 101 of sleeve part 100 due to ejection piece 340, elastic pusher 400 promotes ejection piece 340 and moves up, the top of ejection piece 340 is inserted in percussion and regulates in through hole 101, by jack-up when the percussion enabling ejection piece 340 move to sleeve part 100 regulates the below of through hole 101, thus ejection piece 340 departs from percussion block carrier 410, is convenient to the movement of elastic pusher 400, when 1 two percussions of Endo-GIA executive module, because secondary percussion block piece 330 is inserted in block piece carrier 420, make secondary pull the trigger block piece 330 and stop elastic pusher 400 to move, then effectively prevent the secondary percussion of Endo-GIA executive module 1.
As shown in Fig. 1, Fig. 3, Fig. 8 and Fig. 9, in the present embodiment, binding clip 2 is provided with nail bin, nail supporting base, pedestal, pushing slice of nail and cutter etc., the front end of elastic pusher 400 is connected with cutter, connecting pin 600 can be connected with the connecting rod 31 of Endo-GIA 3, connecting rod 31 drives connecting pin 600, and make connecting pin 600 drive elastic pusher 400 to move, elastic pusher 400 drives binding clip 2 to complete identical cutting action.
As shown in Fig. 3, Fig. 4, Figure 11 to Figure 13, the bottom of ejection piece 340 is tip, percussion block carrier 410 is for being arranged at the first groove on elastic pusher 400, the leading flank 411 of percussion block carrier 410 is relative inclined-plane with the trailing flank 412 of percussion block carrier 410, the leading flank 411 of percussion block carrier 410 is corresponding to the leading flank of the bottom of ejection piece 340, and the trailing flank 412 of percussion block carrier 410 is corresponding to the trailing flank of the bottom of ejection piece 340.The leading flank 411 of percussion block carrier 410 is obtuse angle with angle formed by the bottom surface of percussion block carrier 410, and the trailing flank 412 of percussion block carrier 410 is also obtuse angle with angle formed by the bottom surface of percussion block carrier 410.
Elastic pusher 400 is in forward end moving process, when the trailing flank 412 of pulling the trigger block carrier 410 contacts with the trailing flank of the bottom of ejection piece 340 and the top of ejection piece 340 is in sleeve part 100 inside, elastic pusher 400 can drive ejection piece 340 forward end to move; Elastic pusher 400 is in forward end moving process, when the trailing flank 412 of pulling the trigger block carrier 410 contacts with the trailing flank of the bottom of ejection piece 340 and the percussion that ejection piece 340 moves to sleeve part 100 regulates the below of through hole 101, elastic pusher 400 can promote ejection piece 340 and move up, the top of ejection piece 340 enters in the percussion adjustment through hole 101 of sleeve part 100, thus ejection piece 340 is separated with percussion block carrier 410.
The top of ejection piece 340 is provided with projection 341, and projection 341 can be inserted in percussion and regulate in through hole 101.When ejection piece 340 moves to the below of percussion adjustment through hole 101 of sleeve part 100, ejection piece 340 is under the promotion of elastic pusher 400, projection 341 can be inserted in percussion and regulate in through hole 101, and this structure is convenient to ejection piece 340 and is pulled the trigger block carrier 410 and separate.
As shown in Fig. 1, Fig. 3, Fig. 4, Figure 15 and 16, secondary percussion block piece 330 is percussion safety plug, block piece carrier 420 is for being arranged at the second groove on elastic pusher 400, and the leading flank 421 of block piece carrier 420 is respectively inclined-plane and the vertical vertical with the axis of sleeve part 100 with the trailing flank 422 of block piece carrier 420; The leading flank 421 of block piece carrier 420 is obtuse angle with angle formed by the bottom surface of block piece carrier 420.After this structure makes secondary firing safety mechanism 300 be in closed condition, elastic pusher 400 is in complete reseting procedure, after secondary percussion block piece 330 enters block piece carrier 420, can shift out along with the leading flank 421 moved after elastic pusher 400 from block piece carrier 420, elastic pusher 400 is resetted completely; And when 1 two percussions of Endo-GIA executive module, elastic pusher 400 is in forward end moving process, after secondary percussion block piece 330 enters block piece carrier 420, because the trailing flank 422 of block piece carrier 420 is vertical, block piece carrier 420 just effectively can stop that elastic pusher 400 continues to move forward, and realizes the function preventing 1 two percussions of Endo-GIA executive module.
As shown in Figure 3 and Figure 7, the trailing flank of block piece jacking part 350 is inclined-plane.This structure is convenient to block piece jacking part 350 and secondary is pulled the trigger block piece 330 and hold up.
As shown in Fig. 1, Fig. 3 to Fig. 5, Figure 11, Figure 12, Figure 15 and Figure 16, the front end of percussion safety block 310 is also provided with two pintles be oppositely arranged 311; Inner core 200 is provided with the first platform 210 for percussion safety block 310 movement, and percussion safety block 310 is connected with the first platform 210, and the front portion of the first platform 210 is provided with the first groove 211 and the second groove 212 from front to back successively along the axis of sleeve part 100; When secondary firing safety mechanism 300 is in open mode, pintle 311 snaps in the second groove 212; When secondary firing safety mechanism 300 is in closed condition, pintle 311 snaps in the first groove 211.Pull the trigger safety block 310 on the first platform 210 of inner core 200 along the axis of sleeve part 100, in forward end moving process, the pintle 311 of percussion safety block 310 can snap in the second groove 212 and the first groove 211 respectively, makes percussion safety block 310 be limited position by the second groove 212 and the first groove 211, and when Endo-GIA executive module 1 is in moving process to the back-end, pintle 311 cannot depart from the first groove 211, the position of then pulling the trigger safety block 310 is locked, make percussion safety block 310 pull the trigger block piece 330 with secondary to separate always, namely secondary firing safety mechanism 300 is in closed condition all the time, after this structure makes Endo-GIA executive module 1 pull the trigger completely, percussion safety block 310 can not move to the back-end along with elastic pusher 400, and ensure that secondary percussion block piece 330 can when 1 two percussions of Endo-GIA executive module, stop that elastic pusher 400 moves.
Inner core 200 is provided with the second platform 220, and reed 320 is connected with the second platform 220.Second platform 220 is provided with lobe 221, and reed 320 is provided with connecting through hole 321, and connecting through hole 321 is enclosed within lobe 221, and reed 320 is connected with the second platform 220; Second platform 220 is in the rear of the first platform 210, the front end of reed 320 is welded secondary percussion block piece 330, and secondary percussion block piece 330 is in the rear of percussion safety block 310.
In the present embodiment, secondary percussion block piece 330 is pin, and the second platform 220 is provided with the cotter way 222 placing secondary percussion block piece 330.
Sleeve part 100 is also provided with observation port 102, observation port 102 is in the rear that percussion regulates through hole 101, the position of observation port 102 is corresponding to the position that secondary pulls the trigger block piece 330, observation port 102 both can observe the state of secondary percussion residing for block piece 330, again can for secondary percussion block piece 330 by picking-up time, the position that reed 320 lifts provides space.
As shown in Fig. 1, Fig. 3 to Fig. 5, Fig. 8 to Figure 11, the insurance institution 10 of Endo-GIA executive module also comprises connecting pin locking insurance institution 500, and connecting pin locking insurance institution 500 comprises the locking safety block 510 be arranged on inner core 200, spring part 520 and locking piece 530; Locking safety block 510 can relative to inner core 200 moving axially along sleeve part 100, the bottom of locking safety block 510 is provided with rolling groove 513 and stopper slot 511, rolling groove 513 is in the front of stopper slot 511, and the degree of depth L1 of rolling groove 513 is less than the degree of depth L2 of stopper slot 511; The two ends of spring part 520 are connected with locking safety block 510 and inner core 200 respectively, the axis of spring part 520 and the axis parallel of sleeve part 100; Locking piece 530 is between locking safety block 510 and inner core 200, and the axis of locking piece 530 is vertical with the axis of sleeve part 100; One end be connected with connecting pin 600 of elastic pusher 400 is provided with lock part 430; When connecting pin locking insurance institution 500 is in closed condition, locking piece 530 is in lock part 430, and locking piece 530 is positioned at the below of rolling groove 513, and locking piece 530 stops that elastic pusher 400 forward end moves; When connecting pin locking insurance institution 500 is in open mode, locking piece 530 is in lock part 430, and locking piece 530 is in the below of stopper slot 511, and elastic pusher 400 can promote the top that locking piece 530 is moved upward to lock part 430.
When the insurance institution 10 of Endo-GIA executive module is in original state, connecting pin locking insurance institution 500 is in closed condition, locking piece 530 is in lock part 430, rolling groove 513 is in the top of locking piece 530, now promote locking piece 530 when elastic pusher 400 is subject to driving force, locking piece 530 can enter in rolling groove 513, after the degree of depth of rolling groove 513 makes locking piece 530 move up, elastic pusher 400 still blocks by locking piece 530, then locking piece 530 stops that elastic pusher 400 moves forward, so, even if now connecting pin 600 provides the driving force of elastic pusher 400 forward end movement, elastic pusher 400 also can be stopped by locking piece 530 and cannot forward end move, because locking safety block 510 can relative to inner core 200 moving axially along sleeve part 100, and spring part 520 is connected with locking safety block 510 and inner core 200, after Endo-GIA executive module 1 has been connected with Endo-GIA 3, the anastomat inner core 32 of Endo-GIA 3 inside promotes locking safety block 510, then spring part 520 shrinks, locking safety block 510 is along the axis of sleeve part 100, forward end moves, the stopper slot 511 of locking safety block 510 moves to the top of locking piece 530, now connecting pin locking insurance institution 500 is in open mode, connecting pin 600 drives elastic pusher 400 forward end to move, elastic pusher 400 can promote locking piece 530 and move up and enter in stopper slot 511, after the degree of depth of stopper slot 511 makes locking piece 530 enter stopper slot 511, locking piece 530 is moved upward to the top of lock part 430, elastic pusher 400 continues forward end by locking piece 530 and moves.Adopt connecting pin locking insurance institution 500 of the present invention, when connecting pin locking insurance institution 500 closes, promote connecting pin and cannot drive Endo-GIA executive module 1, only have promotion locking safety block 510 that connecting pin locking insurance institution 500 is opened, could drive Endo-GIA executive module 1, connecting pin locking insurance institution 500 can effectively prevent the jaw caused because of maloperation from closing or advanced primer ignition.
As shown in Fig. 3, Fig. 6, Figure 10 and Figure 11, locking safety block 510 is in the process moved forward, and locking piece 530 is mobile in rolling groove 513, arranges rolling groove 513 and makes locking piece 530 move more stable.
As shown in Fig. 3 to Fig. 5, Figure 10 and Figure 11, the chute 250 and two support portions be oppositely arranged 230 that slide for elastic pusher 400 is also provided with in inner core 200, two support portions be oppositely arranged 230 are in the both sides of chute 250 respectively, and the two ends of locking piece 530 are placed on two support portions 230 respectively; Lock part 430 for being arranged at the 3rd groove on elastic pusher 400, the leading flank 431 of lock part 430 and the inclined-plane of trailing flank 432 for being oppositely arranged of lock part 430.The leading flank 431 of lock part 430 is obtuse angle with angle formed by the bottom surface of lock part 430, and the trailing flank 432 of lock part 430 is also obtuse angle with angle formed by the bottom surface of lock part 430.
Locking piece 530 is placed on support portion 230, and when connecting pin locking insurance institution 500 is in closed condition, locking piece 530 is in the 3rd groove; When connecting pin locking insurance institution 500 is in open mode, after stopper slot 511 moves to the top of locking piece 530, the elastic pusher 400 of forward end movement slides in chute 250, the trailing flank 432 of the lock part 430 of elastic pusher 400 can promote locking safety block 510 and be moved upward, then locking piece 530 is pushed in stopper slot 511, thus makes elastic pusher 400 can continue forward end by locking piece 530 to move.
The end face that inner core 200 is provided with for the 3rd platform the 240, three platform 240 of locking safety block 510 movement is provided with positioning boss 241; Locking safety block 510 is provided with the position adjustments through hole 512 inserted for positioning boss 241, and the size of position adjustments through hole 512 is greater than the size of positioning boss 241; Sleeve part 100 is also provided with the locating hole 103 corresponding to positioning boss 241, the top of positioning boss 241 is inserted in locating hole 103, and positioning boss 241 is connected with locating hole 103.The top of positioning boss 241 is inserted in locating hole 103, and positioning boss 241 is connected with locating hole 103.This structure can ensure that inner core 200 can not by elastic pusher with movement.Positioning boss 241 can limit the distance of locking safety block 510 forward end movement; Due to after Endo-GIA executive module 1 has been connected with Endo-GIA 3, Endo-GIA 3 advances the distance of locking safety block 510 movement to be exactly the distance that stopper slot 511 moves to above locking piece 530, so now stopper slot 511 is just positioned at the top of locking piece 530.
As shown in Figures 3 to 6, in the present embodiment, spring part 520 is two, and the side of the 3rd platform 240 is provided with two the spring placing troughs 242 put into for spring part 520; The both sides of the rear end of locking safety block 510 are respectively provided with respectively one and connect protuberance 514, the front-end and back-end of spring part 520 connect with the front side wall of corresponding spring placing trough 242 and the connection protuberance 514 of locking safety block 510 respectively.Adopt spring part 520, structure is simple, easy to use.The end face of the rear end of locking safety block 510 is provided with accepts protuberance 515.
In the present embodiment, locking piece 530 is pin.
As shown in figures 1 and 3, when the Endo-GIA executive module 1 of the present embodiment is in original state, connecting pin locking insurance institution 500 is in closed condition, and elastic pusher 400 blocks by locking piece 530; Secondary firing safety mechanism 300 is in open mode, and secondary is pulled the trigger block piece 330 and held up by the block piece jacking part 350 of percussion safety block 310;
As Fig. 1, Fig. 2, Fig. 4, shown in Fig. 8 to Figure 10, when the Endo-GIA executive module 1 of the present embodiment is connected with Endo-GIA 3, the undertaking protuberance 515 of locking safety block 510 is subject to thrust forward, the resistance forward end that locking safety block 510 overcomes spring part 520 is slided, simultaneously, locking piece 530 on support portion 230 is relative sliding in the rolling groove 513 of locking safety block 510, after Endo-GIA executive module 1 has been connected with Endo-GIA 3, stopper slot 511 is just positioned at the top of locking piece 530, namely Endo-GIA 3 advances the distance of locking safety block 510 movement to be exactly the distance that stopper slot 511 moves to above locking piece 530, locking piece 530 can move up and down within support portion 230 and stopper slot 511, now, connecting pin locking insurance institution 500 is in open mode, elastic pusher 400 can in the chute 250 of inner core 200 sliding axially along sleeve part 100.
As shown in Fig. 1, Fig. 4, Fig. 5, Figure 11 to Figure 14, after the connecting pin locking insurance institution 500 of the present embodiment is in open mode, elastic pusher 400 forward end in the chute 250 of inner core 200 is slided, and the ejection piece 340 of percussion safety block 310 slides until contact with the trailing flank 412 of percussion block carrier 410 in the percussion block carrier 410 of elastic pusher 400; Elastic pusher 400 continues forward slip, the effect that ejection piece 340 is subject to the trailing flank 412 of pulling the trigger block carrier 410 moves up, the ejection piece 340 quilt cover pipe fitting 100 of percussion safety block 310 stops and cannot move up, safety block 310 is stressed can only move forward in percussion, pintle 311 moves to the first groove 211 from the second groove 212, when the percussion that ejection piece 340 moves to sleeve part 100 regulates through hole 101 times, percussion safety block 310 is pulled the trigger block piece 330 with secondary and is separated, and secondary firing safety mechanism 300 is now in closed condition; Elastic pusher 400 continues forward slip, and ejection piece 340 moves up by trailing flank 412 effect of percussion block carrier 410, and ejection piece 340 is moved upward to percussion and regulates in through hole 101; Elastic pusher 400 continues to move to Endo-GIA executive module 1 cock completely.
As shown in Figure 15 and Figure 16, completely after percussion, connecting pin 600 and elastic pusher 400 reset, and now, connecting pin 600 lockable mechanism is in open mode, and firing safety mechanism is in closed condition; Elastic pusher 400 2 percussions, when block piece carrier 420 moves to below secondary percussion block piece 330, secondary percussion block piece 330 enters in block piece carrier 420 by the elastic force effect that reed 320 is downward, secondary percussion block piece 330 contacts with the trailing flank 422 of block piece carrier 420, secondary percussion block piece 330 stops block piece carrier 420 forward end to move, elastic pusher 400 is blocked by secondary percussion block piece 330, cannot pull the trigger.
Structure of the present invention is simple, easy to use, can prevent secondary from pulling the trigger, and can prevent the jaw caused because of maloperation from closing or advanced primer ignition.
To sum up, the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present 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 changes.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 (10)
1. an insurance institution for Endo-GIA executive module, can be connected with a binding clip (2), it is characterized in that, comprising:
Sleeve part (100), is connected with the rear end of described binding clip (2), and described sleeve part (100) is provided with percussion and regulates through hole (101);
Inner core (200), is arranged at described sleeve part (100) inner;
Secondary firing safety mechanism (300), comprise and be set in turn in percussion safety block (310) on described inner core (200) and reed (320) from front to back, the front end of described reed (320) is provided with secondary percussion block piece (330), and the body of described percussion safety block (310) is provided with and regulates the corresponding ejection piece (340) of through hole (101) with described percussion and pull the trigger the corresponding block piece jacking part (350) of block piece (330) with described secondary;
When described secondary firing safety mechanism (300) is in open mode, described secondary percussion block piece (330) holds up by the block piece jacking part (350) of described percussion safety block (310); When described secondary firing safety mechanism (300) is in closed condition, block piece jacking part (350) and the described secondary of described percussion safety block (310) are pulled the trigger block piece (330) and are separated;
Elastic pusher (400), be arranged in inner core (200), the front-end and back-end of described elastic pusher (400) are connected with described binding clip (2) and connecting pin (600) respectively, and described elastic pusher (400) is provided with to pull the trigger block carrier (410) accordingly and pull the trigger the corresponding block piece carrier (420) of block piece (330) with described secondary with described ejection piece (340); The bottom of described ejection piece (340) is inserted in described percussion block carrier (410), makes described elastic pusher (400) drive described percussion safety block (310) moving axially along described sleeve part (100); When described ejection piece (340) moves to the below of percussion adjustment through hole (101) of described sleeve part (100), the top of described ejection piece (340) is inserted in described percussion and regulates in through hole (101); When described secondary percussion block piece (330) is inserted in described block piece carrier (420), described secondary percussion block piece (330) stops described elastic pusher (400) forward end to move.
2. the insurance institution of Endo-GIA executive module according to claim 1, is characterized in that:
The bottom of described ejection piece (340) is tip, described percussion block carrier (410) is for being arranged at the first groove on described elastic pusher (400), the leading flank (411) of described percussion block carrier (410) is relative inclined-plane with the trailing flank (412) of described percussion block carrier (410), the leading flank (411) of described percussion block carrier (410) is corresponding to the leading flank of the bottom of described ejection piece (340), the trailing flank (412) of described percussion block carrier (410) is corresponding to the trailing flank of the bottom of described ejection piece (340).
3. the insurance institution of Endo-GIA executive module according to claim 1, it is characterized in that: described secondary percussion block piece (330) is percussion safety plug, described block piece carrier (420) is for being arranged at the second groove on described elastic pusher (400), and the leading flank (421) of described block piece carrier (420) is respectively inclined-plane and the vertical vertical with the axis of described sleeve part (100) with the trailing flank (422) of described block piece carrier (420).
4. the insurance institution of Endo-GIA executive module according to claim 1, is characterized in that: the trailing flank of described block piece jacking part (350) is inclined-plane.
5. the insurance institution of Endo-GIA executive module according to claim 1, is characterized in that:
The front end of described percussion safety block (310) is also provided with two pintles be oppositely arranged (311);
Described inner core (200) is provided with the first platform (210) for described percussion safety block (310) movement, and the front portion of described first platform (210) is provided with the first groove (211) and the second groove (212) from front to back successively along the axis of described sleeve part (100);
When described secondary firing safety mechanism (300) is in open mode, described pintle (311) snaps in described second groove (212);
When described secondary firing safety mechanism (300) is in closed condition, described pintle (311) snaps in described first groove (211).
6. the insurance institution of Endo-GIA executive module according to claim 1, it is characterized in that: described inner core (200) is provided with the second platform (220), described reed (320) is connected with described second platform (220).
7. the insurance institution of Endo-GIA executive module according to claim 1, is characterized in that:
Also comprise connecting pin locking insurance institution (500), described connecting pin locking insurance institution (500) comprises the locking safety block (510) be arranged on described inner core (200), spring part (520) and locking piece (530);
Described locking safety block (510) can relative to described inner core (200) moving axially along described sleeve part (100), the bottom of described locking safety block (510) is provided with rolling groove (513) and stopper slot (511), described rolling groove (513) is in the front of described stopper slot (511), and the degree of depth of described rolling groove (513) is less than the degree of depth of described stopper slot (511);
The two ends of described spring part (520) are connected with described locking safety block (510) and described inner core (200) respectively;
Described locking piece (530) is between described locking safety block (510) and described inner core (200);
One end be connected with described connecting pin (600) of described elastic pusher (400) is provided with lock part (430);
When described connecting pin locking insurance institution (500) is in closed condition, described locking piece (530) is in described lock part (430), and described locking piece (530) is positioned at the below of described rolling groove (513), described locking piece (530) stops that described elastic pusher (400) forward end moves; When described connecting pin locking insurance institution (500) be in open time, described locking piece (530) is in described lock part (430), and described locking piece (530) is in the below of described stopper slot (511), described elastic pusher (400) can promote the top that described locking piece (530) is moved upward to described lock part (430).
8. the insurance institution of Endo-GIA executive module according to claim 7, is characterized in that:
The chute (250) and two support portions be oppositely arranged (230) that slide for described elastic pusher (400) is also provided with in described inner core (200), two described support portions (230) be oppositely arranged are in the both sides of described chute (250) respectively, and the two ends of described locking piece (530) are placed on two described support portions (230) respectively; Described lock part (430) for being arranged at the 3rd groove on described elastic pusher (400), the leading flank (431) of described lock part (430) and trailing flank (432) inclined-plane for being oppositely arranged of described lock part (430).
9. the insurance institution of Endo-GIA executive module according to claim 7, is characterized in that:
Described inner core (200) is provided with the 3rd platform (240) for the movement of described locking safety block (510), and the end face of described 3rd platform (240) is provided with positioning boss (241); Described locking safety block (510) is provided with the position adjustments through hole (512) inserted for described positioning boss (241), and the size of described position adjustments through hole (512) is greater than the size of described positioning boss (241); Described sleeve part (100) is also provided with the corresponding locating hole (103) with described positioning boss (241), the top of described positioning boss (241) is inserted in described locating hole (103), and described positioning boss (241) is connected with described locating hole (103).
10. the insurance institution of Endo-GIA executive module according to claim 9, is characterized in that: the side of described 3rd platform (240) is provided with the spring placing trough (242) put into for spring part (520); The front-end and back-end of described spring part (520) are connected with the front side wall of described spring placing trough (242) and the rear end of described locking safety block (510) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410650827.7A CN104367357B (en) | 2014-11-14 | 2014-11-14 | The insurance institution of Endo-GIA executive module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410650827.7A CN104367357B (en) | 2014-11-14 | 2014-11-14 | The insurance institution of Endo-GIA executive module |
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| CN104367357B CN104367357B (en) | 2016-07-06 |
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Cited By (6)
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| CN106725680A (en) * | 2016-12-29 | 2017-05-31 | 江苏风和医疗器材股份有限公司 | For the shaft member and surgical instruments of surgical instruments |
| CN107822681A (en) * | 2017-10-31 | 2018-03-23 | 无锡贝恩外科器械有限公司 | Hysteroscope stapler with sleeve pipe unblock |
| CN110292409A (en) * | 2019-07-30 | 2019-10-01 | 舒拓 | Secondary percussion resetting apparatus is prevented for disposable hysteroscope Endo-GIA |
| CN110313952A (en) * | 2019-07-30 | 2019-10-11 | 康奇舒宁(苏州)医疗科技有限公司 | It is a kind of to prevent secondary percussion safety device for disposable hysteroscope Endo-GIA |
| WO2019233094A1 (en) * | 2018-06-06 | 2019-12-12 | 重庆西山科技股份有限公司 | Nail box assembly for anastomat |
| CN111743589A (en) * | 2020-07-17 | 2020-10-09 | 天津瑞奇外科器械股份有限公司 | Loading unit and anastomat |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106725680A (en) * | 2016-12-29 | 2017-05-31 | 江苏风和医疗器材股份有限公司 | For the shaft member and surgical instruments of surgical instruments |
| CN107822681A (en) * | 2017-10-31 | 2018-03-23 | 无锡贝恩外科器械有限公司 | Hysteroscope stapler with sleeve pipe unblock |
| CN107822681B (en) * | 2017-10-31 | 2020-06-02 | 无锡贝恩外科器械有限公司 | Endoscope anastomat with sleeve unlocking function |
| WO2019233094A1 (en) * | 2018-06-06 | 2019-12-12 | 重庆西山科技股份有限公司 | Nail box assembly for anastomat |
| CN110292409A (en) * | 2019-07-30 | 2019-10-01 | 舒拓 | Secondary percussion resetting apparatus is prevented for disposable hysteroscope Endo-GIA |
| CN110313952A (en) * | 2019-07-30 | 2019-10-11 | 康奇舒宁(苏州)医疗科技有限公司 | It is a kind of to prevent secondary percussion safety device for disposable hysteroscope Endo-GIA |
| CN111743589A (en) * | 2020-07-17 | 2020-10-09 | 天津瑞奇外科器械股份有限公司 | Loading unit and anastomat |
| CN111743589B (en) * | 2020-07-17 | 2022-02-15 | 天津瑞奇外科器械股份有限公司 | Loading unit and anastomat |
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| CN104367357B (en) | 2016-07-06 |
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