CN101797174A - Safety device of linear cutting anastomat for surgery - Google Patents

Safety device of linear cutting anastomat for surgery Download PDF

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Publication number
CN101797174A
CN101797174A CN201010122847.9A CN201010122847A CN101797174A CN 101797174 A CN101797174 A CN 101797174A CN 201010122847 A CN201010122847 A CN 201010122847A CN 101797174 A CN101797174 A CN 101797174A
Authority
CN
China
Prior art keywords
safety
push broach
arm
broach bar
nail
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.)
Granted
Application number
CN201010122847.9A
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Chinese (zh)
Other versions
CN101797174B (en
Inventor
方云才
刘子贤
张淦
聂红林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
REACH SURGICAL INSTRUMENT (BEIJING) CO Ltd
Original Assignee
REACH SURGICAL INSTRUMENT (BEIJING) CO Ltd
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Priority to CN201010122847.9A priority Critical patent/CN101797174B/en
Publication of CN101797174A publication Critical patent/CN101797174A/en
Application granted granted Critical
Publication of CN101797174B publication Critical patent/CN101797174B/en
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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

Abstract

The invention discloses a safety device of a linear cutting anastomat for surgery. The safety device is provided with a nail box arm (3); the front part of the nail box arm is provided with a nail box (6), while the rear part is provided with a push cutter rod (7) capable of pushing a cuter (8) to move forward along a nail box cutting slot (62); the nail box arm is provided with a safety mechanism (9), and the safety mechanism is provided with a first elastic component (93) for elastically supporting the front part of the push cutter rod (7) and a safety block protrusion (94) downwards extending into an upper edge slot (72) of the supported push cutter rod; the cuter (8) forwards extends into the cutting slot (62) of the nail box (6); the supported front part of the push cutter rod is upwards acted on a safety bolt (61) which is blocked at the rear port of the nail box cutting slot and can be pushed forwards to support the rear end of the nail box; and the safety mechanism is also provided with a second elastic component (92) which is blocked at the front lower part of the supported push cutter rod and can be pressed down by the nail box. The safety device has the advantages of high safety factor, easy operation and simple structure, and can effectively avoid error operation of instruments.

Description

The safety of linear cutting anastomat for surgery
Technical field
The invention belongs to a kind of medical apparatus and instruments, be specifically related to a kind of operating linear cutting anastomat that is used for.
Background technology
The primary structure of linear cutting anastomat for surgery is (referring to Fig. 1, Fig. 2): apparatus is provided with by the nail anvil arm (4) of the submission jaw mouth shape of hand held upper handle (1) and lower handle (2) control and nail casket arm (3), be equipped with and the relative nail casket (6) of nail anvil on the nail anvil arm nail casket arm front portion, the rear portion is provided with to travel forward under percussion lock (10) effect and acts on the nail pushing device in the nail casket is released ejector pin bar from the nail of the titanium in the nail bin to the nail anvil direction, and promote cutter (8) along the nail casket proal push broach bar of cutting groove (7), its work process is: clamp the tissue that will sew up with the nail anvil arm (4) and the nail casket arm (3) of intersection jaw shape earlier, and by last, lower handle makes nail anvil arm and nail casket arm clamp this position tissue, advance nail pushing device and cutter (8) by percussion lock then, nail pushing device will be followed closely the titanium nail of bilateral in the casket and upwards release, pass tissue, and act on nail anvil on the nail anvil arm (4), with the tissue apposition of both sides together, cutter (8) are cut it open between the suture tissue of both sides simultaneously, finish simultaneously and sew up and cut two actions.
In the aforesaid operations process, only when apparatus is intersected the jaw shape nail anvil arm (4) and nail casket arm (3) is closed just can carry out cutting action when clamping tissue, otherwise promptly the maloperation situation can appear, malpractice takes place.So insurance institution must be set, to guarantee not having under the closed situation about clamping at nail anvil arm and nail casket arm, cutter can not travel forward, and only under nail anvil arm and the closed situation about clamping of nail casket arm, cutter just can travel forward.
Summary of the invention
The technical problem to be solved in the present invention provides the safety of a kind of vi have high safety, easy operating, linear cutting anastomat for surgery simple in structure.
The technical scheme that addresses the above problem is (referring to implementing illustration), the present invention is provided with nail casket arm (3), nail casket (6) is equipped with in nail casket arm front portion, the rear portion is provided with and can promotes cutter (8) along nail casket cutting groove (62) proal push broach bars (7), it is characterized in that, nail casket arm is provided with insurance institution (9), this insurance institution is provided with elasticity and holds up push broach bar (7) forward first elastomeric elements (93), and be provided with and put in the safety block projection (94) that is held up push broach bar upper edge recess (72) downwards, cutter (8) put in the cutting groove (62) of nail casket (6) forward, the push broach bar front portion that is held up upwards acts on the safety latch (61) that can be pushed open forward of nail casket cutting groove rear port setting, to follow closely the casket rear end and hold up, insurance institution also is provided with retaining and is being held up the preceding bottom of push broach bar, and can be followed closely second elastomeric element (92) that casket is depressed.
Operation principle of the present invention is: do not have under the closed situation about clamping at nail anvil arm (4) and nail casket arm (3), first elastomeric element of insurance institution holds up push broach bar (7) front portion, the push broach bar upwards withstands on the safety latch (61) of nail casket cutting groove rear port, nail casket rear portion is lifted be in float state (referring to Fig. 3), safety block projection (94) in the insurance institution stretches into the recess (72) of push broach bar upper edge at this moment, the push broach bar can not be advanced, play the first heavy safety effect, at this moment, if with push broach bar (7) under the hand, though push broach bar upper edge has broken away from safety block projection (94), but because second elastomeric element (92) keeps off again at push broach bar (7) anterior (referring to Fig. 4), the push broach bar can not advance, and plays the second heavily protective effect; Have only when nail anvil arm (4) and the closed clamping of nail casket arm (3), when nail casket (6) is depressed by the nail anvil on the nail anvil arm, the safety latch (61) of nail casket by the cutting groove rear port overcomes the elastic force that first elastomeric element (93) makes progress and depresses push broach bar (7), make push broach bar upper edge break away from safety block projection (94), follow closely simultaneously casket also elasticity depress and be positioned at forward second elastomeric element of push broach bar (92), referring to Fig. 2, push broach this moment bar could back down the safety latch (61) of nail casket cutting groove rear port forward and push ahead cutter (8), and the tissue that is clipped between nail anvil arm (4) and the nail casket arm (3) is carried out cutting operation.In addition, the nail casket is when using for the first time, the safety latch of its cutting groove rear port (61) is pushed knife bar (7) and pushes open forward, as long as be designed to push open the safety latch (61) of cutting groove rear port back irreducible, can guarantee that this nail casket is when secondary uses, because the nail casket can't be depressed the push broach bar by safety latch, making the push broach bar can not break away from safety block projection (94) pushes ahead, that is to say and to carry out cutting operation, can guarantee to follow closely casket like this and can only disposablely use (this is clinical instructions for use to operating apparatus), play treble safety effect.
The present invention has vi have high safety, easy operating, advantage of simple structure, can effectively avoid the maloperation of apparatus.
Description of drawings
Fig. 1, linear cutting anastomat for surgery population structure sketch map (not shown nail anvil on the nail anvil arm 4)
Fig. 2, the embodiment of the invention are in the structural representation of the state of can pulling the trigger when apparatus is closed
The be insured mechanism locking of Fig. 3, the embodiment of the invention can't be pulled the trigger the structural representation of state
The structural representation that can not be pulled the trigger when Fig. 4, manual depression Fig. 3 embodiment push broach bar 7
Fig. 5, embodiment of the invention nail casket 6 and cutting groove 62 tail end safety latch 61 structural representations thereof
First elastomeric element 93 of Fig. 6, embodiment of the invention insurance institution and second elastomeric element, 92 structural representations
1-upper handle 2-lower handle 3-nail casket arm 4-nail anvil arm
6-nail casket 61-safety latch 62-cutting groove 63-nail casket pin-and-hole
7-push broach bar 71-projection 72-recess
8-cutter 81-protects broach shell
The 91-of the 9-insurance institution safety block 92-second elastomeric element 93-first elastomeric element 94-safety block projection
10-percussion lock 11-ejector pin frame
The specific embodiment
Referring to Fig. 3, in nail casket arm 3 front portions nail casket 6 is housed, the nail casket arm at nail casket rear portion is provided with the push broach bar 7 that is contained in the gathering sill.
Referring to Fig. 3,4,6, insurance institution 9 is arranged on the nail casket arm 3 of the anterior side of push broach bar, its structure is: on the safety block 91 of nail casket arm one side first elastomeric element 93 that can hold up push broach bar 7 is housed, these parts are one to be fixed on the torsion spring on the safety block 91, arm of torsion spring is stuck in the step place of safety block, another arm in push broach bar 7 lower edges, upwards holds up the push broach bar by front end bending part elastic reaction;
Safety block 91 is provided with inwardly outstanding safety block projection 94, and when the push broach bar is held up when upper, safety block projection 94 puts in the recess 72 that push broach bar upper edge is provided with, and blocks the push broach bar and makes its can not advance (Fig. 3);
Second elastomeric element 92 also is housed on the safety block 91, second elastomeric element also is a torsion spring, an one arm is stuck in the step place of safety block, another arm is by the front lower place of the horizontal retaining of the bending part of front end at push broach bar front end, this bending part top is nail casket 6 bottom surfaces, push broach bar 7 front end face tops are provided with recessed backward recess 73, and the basifacial round slip surface kiss of this recess and push broach bar front end connects.When only push broach bar 7 being depressed, torsion spring slips over the basifacial round slip surface of push broach bar front end and snaps in the recess 73 on top, and push broach bar 7 can not be advanced, and when only the nail casket 6 above the torsion spring quilt was depressed, the push broach bar just can be pushed ahead (Fig. 4).
Push broach bar 7 front ends are connected with cutter 8, cutter 8 put in vertical cutting groove 62 of nail casket 6 forward, the cutting groove rear port is provided with safety latch 61 (see figure 5)s of blocking this port, also can being pushed open forward, the push broach bar that is held up upwards acts on safety latch 61, to follow closely casket jack-up, between the application point and recess 72 of push broach bar 7 upper edges, be provided with projection 71 (Fig. 4) upwards with safety latch 61, its function is: when the push broach bar travels forward, can push safety latch 61 open.
Safety latch 61 1 sides that this example can be pushed open forward be provided with vertically to pin, this pin inserts the nail casket pin-and-hole 63 (Fig. 5) of nail casket cutting groove one side, when safety latch 61 is subjected to forward thrust of push broach bar 7, can be pushed open forward with the rotation of pin, making push broach bar 7 can promote cutter 8 forward operates, after described pin inserts nail casket pin-and-hole 63, can be pushed knife bar is pushing away and is rotating, open safety latch 61, and in a single day be open, owing between pin and the pin-and-hole certain frictional force is arranged, can not automatically reset, if the nail casket is used by secondary like this, when the nail casket is depressed by nail anvil,, can not depress push broach bar 7 because cutting groove 62 rear ports are in the opening state that does not have safety latch to stop, the push broach bar promptly can not be operated, thereby guarantees that the nail casket can only disposablely use.
For convenience of description, this paper be nail anvil arm 4 with apparatus last, the relative position of nail casket arm 3 infra is described, when apparatus rotated, all parts also rotated thereupon, described also variation thereupon of relativeness such as upper and lower, forward and backward.
The above; it only is preferred embodiment of the present invention; be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs to the protection domain of technical solution of the present invention to any simple modification, equivalent variations and modification that above embodiment did.

Claims (5)

1. the safety of linear cutting anastomat for surgery, be provided with nail casket arm (3), nail casket (6) is equipped with in nail casket arm front portion, the rear portion is provided with and can promotes cutter (8) along nail casket cutting groove (62) proal push broach bars (7), it is characterized in that, nail casket arm is provided with insurance institution (9), this insurance institution is provided with elasticity and holds up push broach bar (7) forward first elastomeric elements (93), and be provided with and put in the safety block projection (94) that is held up push broach bar upper edge recess (72) downwards, cutter (8) put in the cutting groove (62) of nail casket (6) forward, the push broach bar front portion that is held up upwards acts on retaining at nail casket cutting groove rear port, and the safety latch (61) that can be pushed open forward, to follow closely the casket rear end and hold up, insurance institution also is provided with retaining and is being held up the preceding bottom of push broach bar, and can be followed closely second elastomeric element (92) that casket is depressed.
2. the safety of linear cutting anastomat for surgery according to claim 1, it is characterized in that: described first elastomeric element (93) and second elastomeric element (92) all are the torsion springs that are fixed on the nail casket arm one side safety block (91), an arm of the first elastomeric element torsion spring is stuck in the step place of safety block, another arm acts on push broach bar (7) lower edge by the front end bending part elasticity that makes progress, upwards hold up the push broach bar, arm of the second elastomeric element torsion spring is stuck in the step place of safety block, and another arm is by the front lower place of the horizontal retaining of the bending part of front end at push broach bar front end, this bending part top is nail casket bottom surface.
3. the safety of linear cutting anastomat for surgery according to claim 2, it is characterized in that: described push broach bar (7) front end face top is provided with recessed backward recess (73), and the basifacial round slip surface kiss of this recess and push broach bar front end connects.
4. the safety of linear cutting anastomat for surgery according to claim 1, it is characterized in that: between the application point and recess (72) of the same safety latch in push broach bar upper edge (61), be provided with projection upwards, when the push broach bar travels forward, can push the projection (71) of safety latch (61) open.
5. the safety of linear cutting anastomat for surgery according to claim 1, it is characterized in that: described retaining nail casket cutting groove rear port, and safety latch (61) structure that can be pushed open forward be: safety latch (61) one sides be provided with vertically to pin, this pin inserts the nail casket pin-and-hole (63) of cutting groove one side.
CN201010122847.9A 2010-03-02 2010-03-02 Safety device of linear cutting anastomat for surgery Active CN101797174B (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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CN101797174B CN101797174B (en) 2011-09-07

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102058421A (en) * 2010-12-16 2011-05-18 苏州天臣国际医疗科技有限公司 Linear cutting and stitching instrument
CN103142267A (en) * 2011-12-07 2013-06-12 苏州天臣国际医疗科技有限公司 Safety mechanism applied to linear suturing and cutting device
CN103169516A (en) * 2011-12-22 2013-06-26 苏州天臣国际医疗科技有限公司 Linear type suturing and cutting instrument used for surgery
EP2653114A1 (en) * 2010-12-16 2013-10-23 Touchstone International Medical Science Co., Ltd. Linear cutting stapler
WO2014048057A1 (en) * 2012-09-29 2014-04-03 北京中法派尔特医疗设备有限公司 Driving and locking apparatus and cutting stapler using same
CN103720499A (en) * 2013-12-31 2014-04-16 苏州天臣国际医疗科技有限公司 Straight line sewing and cutting device
CN103860224A (en) * 2012-12-18 2014-06-18 苏州天臣国际医疗科技有限公司 Linear suturing and excising device
CN103860225A (en) * 2012-12-18 2014-06-18 苏州天臣国际医疗科技有限公司 Linear type suturing and excising device
WO2014094558A1 (en) * 2012-12-18 2014-06-26 苏州天臣国际医疗科技有限公司 Nail head assembly and straight stitching and cutting device applying nail head assembly
CN104173088A (en) * 2013-05-24 2014-12-03 瑞奇外科器械(中国)有限公司 Cut stapler
CN104367357A (en) * 2014-11-14 2015-02-25 常州市康迪医用吻合器有限公司 Safety mechanism of executing assembly of incision stapler
CN106974686A (en) * 2011-06-09 2017-07-25 柯惠Lp公司 Surgical fasteners bringing device
CN107890362A (en) * 2017-02-28 2018-04-10 江苏风和医疗器材股份有限公司 Surgical instruments
US10265070B2 (en) 2013-12-31 2019-04-23 Suzhou Touchstone International Medical Science Co., Ltd. Linear cutting stapler
CN109953786A (en) * 2017-12-14 2019-07-02 苏州天臣国际医疗科技有限公司 Nail bin groupware and the Medical stapler for using the nail bin groupware
US11337695B2 (en) 2017-12-14 2022-05-24 Touchstone International Medical Science Co., Ltd. Staple cartridge assembly and medical stapler using the staple cartridge assembly
WO2023052984A1 (en) * 2021-09-30 2023-04-06 Cilag Gmbh International Lockout feature for linear surgical stapler cartridge

Citations (8)

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Publication number Priority date Publication date Assignee Title
EP1479348A1 (en) * 2003-05-20 2004-11-24 Ethicon Endo-Surgery Surgical stapling instrument having a single lockout mechanism
CN2749460Y (en) * 2004-12-01 2006-01-04 翁志强 Straight cutting anastomat
CN2764312Y (en) * 2005-01-17 2006-03-15 翁志强 Anastomat for linear cutting
CN200939154Y (en) * 2006-08-03 2007-08-29 瑞奇外科器械(北京)有限公司 Automatic restorable security device of anastomat for surgery
US20080314955A1 (en) * 2007-06-22 2008-12-25 Boudreaux Chad P Surgical stapling instruments
CN101411636A (en) * 2007-10-19 2009-04-22 周明喜 Anastomat
CN201230886Y (en) * 2008-07-04 2009-05-06 翁志强 Straight cutting anastomat
CN201286733Y (en) * 2008-10-29 2009-08-12 苏州天臣国际医疗科技有限公司 Surgery incision bookbinding case

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1479348A1 (en) * 2003-05-20 2004-11-24 Ethicon Endo-Surgery Surgical stapling instrument having a single lockout mechanism
CN2749460Y (en) * 2004-12-01 2006-01-04 翁志强 Straight cutting anastomat
CN2764312Y (en) * 2005-01-17 2006-03-15 翁志强 Anastomat for linear cutting
CN200939154Y (en) * 2006-08-03 2007-08-29 瑞奇外科器械(北京)有限公司 Automatic restorable security device of anastomat for surgery
US20080314955A1 (en) * 2007-06-22 2008-12-25 Boudreaux Chad P Surgical stapling instruments
CN101411636A (en) * 2007-10-19 2009-04-22 周明喜 Anastomat
CN201230886Y (en) * 2008-07-04 2009-05-06 翁志强 Straight cutting anastomat
CN201286733Y (en) * 2008-10-29 2009-08-12 苏州天臣国际医疗科技有限公司 Surgery incision bookbinding case

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2653114A4 (en) * 2010-12-16 2015-10-21 Touchstone Int Medical Sci Co Linear cutting stapler
CN102058421A (en) * 2010-12-16 2011-05-18 苏州天臣国际医疗科技有限公司 Linear cutting and stitching instrument
US9700315B2 (en) 2010-12-16 2017-07-11 Touchstone International Medical Science Co., Ltd. Linear cutting stapler
EP2653114A1 (en) * 2010-12-16 2013-10-23 Touchstone International Medical Science Co., Ltd. Linear cutting stapler
CN106974686A (en) * 2011-06-09 2017-07-25 柯惠Lp公司 Surgical fasteners bringing device
CN103142267A (en) * 2011-12-07 2013-06-12 苏州天臣国际医疗科技有限公司 Safety mechanism applied to linear suturing and cutting device
CN103169516B (en) * 2011-12-22 2015-07-01 苏州天臣国际医疗科技有限公司 Linear type suturing and cutting instrument used for surgery
CN103169516A (en) * 2011-12-22 2013-06-26 苏州天臣国际医疗科技有限公司 Linear type suturing and cutting instrument used for surgery
WO2014048057A1 (en) * 2012-09-29 2014-04-03 北京中法派尔特医疗设备有限公司 Driving and locking apparatus and cutting stapler using same
US10070864B2 (en) 2012-12-18 2018-09-11 Touchstone International Medical Science Co., Ltd. Loading unit assembly and linear surgical stapler with loading unit assembly
CN103860224A (en) * 2012-12-18 2014-06-18 苏州天臣国际医疗科技有限公司 Linear suturing and excising device
CN103860225A (en) * 2012-12-18 2014-06-18 苏州天臣国际医疗科技有限公司 Linear type suturing and excising device
WO2014094558A1 (en) * 2012-12-18 2014-06-26 苏州天臣国际医疗科技有限公司 Nail head assembly and straight stitching and cutting device applying nail head assembly
CN103860224B (en) * 2012-12-18 2016-03-09 苏州天臣国际医疗科技有限公司 Straight line stitching instrument cutter sweep
CN103860225B (en) * 2012-12-18 2016-03-09 苏州天臣国际医疗科技有限公司 Linear seam cutting device
CN104173088B (en) * 2013-05-24 2016-06-15 瑞奇外科器械(中国)有限公司 A kind of stapler
CN104173088A (en) * 2013-05-24 2014-12-03 瑞奇外科器械(中国)有限公司 Cut stapler
CN103720499B (en) * 2013-12-31 2016-02-17 苏州天臣国际医疗科技有限公司 Straight line stitching instrument cutter sweep
CN103720499A (en) * 2013-12-31 2014-04-16 苏州天臣国际医疗科技有限公司 Straight line sewing and cutting device
US10265070B2 (en) 2013-12-31 2019-04-23 Suzhou Touchstone International Medical Science Co., Ltd. Linear cutting stapler
CN104367357A (en) * 2014-11-14 2015-02-25 常州市康迪医用吻合器有限公司 Safety mechanism of executing assembly of incision stapler
CN107890362A (en) * 2017-02-28 2018-04-10 江苏风和医疗器材股份有限公司 Surgical instruments
CN109953786A (en) * 2017-12-14 2019-07-02 苏州天臣国际医疗科技有限公司 Nail bin groupware and the Medical stapler for using the nail bin groupware
US11337695B2 (en) 2017-12-14 2022-05-24 Touchstone International Medical Science Co., Ltd. Staple cartridge assembly and medical stapler using the staple cartridge assembly
WO2023052984A1 (en) * 2021-09-30 2023-04-06 Cilag Gmbh International Lockout feature for linear surgical stapler cartridge
US11937812B2 (en) 2021-09-30 2024-03-26 Cilag Gmbh International Lockout feature for linear surgical stapler cartridge

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Address after: 100022, room 2009-2010, Jing Hui building, No. 118, Jianguo Road, Beijing, Chaoyang District

Patentee after: Reach Surgical Instrument (Beijing) Co., Ltd.

Address before: 102206, A, 29, Chuangxin Road, 212 life road, Beijing, Changping District

Patentee before: Reach Surgical Instrument (Beijing) Co., Ltd.