CN102160811B - Suturing instrument with empty nail chamber protection - Google Patents
Suturing instrument with empty nail chamber protection Download PDFInfo
- Publication number
- CN102160811B CN102160811B CN2011101269030A CN201110126903A CN102160811B CN 102160811 B CN102160811 B CN 102160811B CN 2011101269030 A CN2011101269030 A CN 2011101269030A CN 201110126903 A CN201110126903 A CN 201110126903A CN 102160811 B CN102160811 B CN 102160811B
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- CN
- China
- Prior art keywords
- nail
- center
- fixture block
- nail bin
- pole
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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
Abstract
The invention discloses a suturing instrument with empty nail chamber protection, which comprises a nail anvil, a nail chamber provided with a plurality of suturing nails inside, a center rod for pushing the nail chamber and the suturing nails in the nail chamber, a bracket for connecting the nail anvil and the nail chamber, a nail pushing connecting piece and a triggering handle connected with the center rod, wherein one end of the nail pushing connecting piece is arranged inside the nail chamber and the other end of the nail pushing connecting piece is connected with the center rod, a safety block is arranged on the bracket, a clamping block is movably arranged on the nail pushing connecting piece and is positioned between the nail chamber and the center rod, the safety block buttes against the clamping block and departs from the center rod in the unlocking state of the suturing instrument,, and the clamping block departs from the safety block and the safety block enters the space between the clamping block and the center rod in the locking state of the suturing instrument,. After the safety block is locked, unlocking can be realized by dismounting the nail chamber and taking down the clamping block; and during unlocking, an operator confirms whether the nail chamber contains nails or not, so as to solve the safety problem due to staff negligence.
Description
Technical field
the present invention relates to a kind of medical apparatus and instruments, relate in particular to a kind of stiching instrument.
Background technology
are present, and physiological tissues such as esophagus, stomach, intestinal are carried out surgical operation when coincideing, and often use the surgical operation Binding Instrument to coincide, and wherein the linear suture device is a kind of of outbalance.In the prior art; With reference to U.S. Pat 7407076; Put down in writing a kind of linear suture device; Be used for closed digestive tract and viscera tissue wound, generally comprise housing, be fixed in the intravital support of shell, be arranged at rack far end and be used to implement sew application nail anvil and nail bin, be arranged in the support and be used to promote the thrust unit of the nail in nail bin and the nail bin, and be arranged on the support and be connected in the firing handle of thrust unit through a rotating shaft pivot.
The use of
this apparatus is roughly following: at first, nail anvil is separated with nail bin, make the linear suture device be in original state, tissue to be sewed up is placed between nail anvil and the nail bin; Then, the extruding firing handle makes nail bin draw close to the nail anvil direction, and releases the seam nail in the nail bin through the effect of thrust unit, thereby accomplishes sew application; At last, decontrol firing handle, thrust unit and nail bin return to original state together.
straight line stiching instrument is as lacking safety, can occur not having nail percussion or mistake percussion in the use and have influence on operation and normally carry out, even can cause operative failure; Therefore, by the nail bin after pulling the trigger sky nail bin protector should be set, the action that the empty nail bin protection of apparatus in the past only will be pulled the trigger is locked; Be about to the firing handle locking and make it and to operate, apparatus is not locked fully, in case with the firing handle release; Apparatus still can be operated, and has certain potential safety hazard.
Summary of the invention
for addressing the above problem, and the object of the present invention is to provide a kind of stiching instrument that has the protection of sky nail bin, will lock fully after the apparatus percussion, and whole apparatus can not be done any action, and apparatus automatically locks, and need not manually-operated.
are in order to reach above purpose; The technical scheme that the present invention adopts is: have the stiching instrument of sky nail bin protection, it comprise nail anvil, inside be provided with the nail bin of some seams nails, be used to promote the seam nail in nail bin and the nail bin center-pole, connect nail anvil and support, an end of nail bin and be arranged on nail bin is interior and the other end is connected with center-pole ejector pin in flakes, and the firing handle that links to each other with center-pole; Support is provided with safety block; Ejector pin is gone up in flakes and is provided with fixture block movably, and this fixture block is between nail bin and center-pole, under the released state of stiching instrument; Safety block and fixture block offset and the off center bar; Under the lock-out state of stiching instrument, fixture block leaves safety block, and safety block gets between fixture block and the center-pole.
preferably, fixture block can be connected with ejector pin along the relative ejector pin of the direction of motion of center-pole in flakes movably in flakes.
more preferably, nail bin is provided with side opening, and the axle of this side opening is parallel with the center-pole direction of motion.
further, fixture block has the inserted link that the end has trip, and inserted link is arranged in the side opening; Under the released state of stiching instrument; Trip is located in the side opening, and under the lock-out state of stiching instrument, trip stretches out side opening makes fixture block and nail bin clamping mutually.
further, support is provided with safety block applied and makes it have the shell fragment of the power that gets into the movement tendency between center-pole and the fixture block.
through adopting technique scheme, the present invention has the stiching instrument of sky nail bin protection, and during percussion, center-pole promotes ejector pin in flakes, also promotes the fixture block that ejector pin is gone up in flakes simultaneously, makes trip stretch out side opening, thereby makes fixture block and nail bin clamping; After accomplishing sew application, decontrol firing handle, center-pole is retreated, and drive ejector pin and retreat in flakes, but fixture block is not removed along with returning together; When center-pole returns when removing original state fully, because there be not stopping of fixture block, the safety block on the support moves under the effect of shell fragment; Get between fixture block and the center-pole; Stop center-pole forward travel once more, thereby lock the athletic performance of whole apparatus, apparatus can't be pulled the trigger once more.The present invention is after the safety block locking, and release needs nail bin is pulled down, and takes off fixture block, and when release, operator have confirmed simultaneously whether nail is arranged in the nail bin, has solved the safety problem that causes because of personnel's carelessness.
Description of drawings
Accompanying drawing 1 is a structural representation of the present invention;
Accompanying drawing 2 is the partial view of released state of the present invention;
accompanying drawing 3 is the partial view of lock-out state of the present invention.
Label is among the figure:
1, nail anvil; 2, nail bin; 21, side opening; 3, ejector pin in flakes; 4, center-pole; 5, support; 6, firing handle; 7, fixture block; 71, inserted link; 72, trip; 8, shell fragment; 9, safety block.
The specific embodiment
Set forth preferred embodiment of the present invention below in conjunction with accompanying drawing in detail
, thereby so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that protection scope of the present invention is made more explicit defining.
are shown in accompanying drawing 1 to accompanying drawing 3; In order to reach above purpose; The technical scheme that the present invention adopts is: the stiching instrument that has the protection of sky nail bin; It comprises nail anvil 1, inside be provided with the nail bin 2 of some seams nail, be used to promote the seams nail in nail bin 2 and the nail bin 2 center-pole 4, connect nail anvil 1 and support 5, an end of nail bin 2 and be arranged on nail bin 2 is interior and the other end is connected with center-pole 4 ejector pin in flakes 3, and the firing handle 6 that links to each other with center-pole 4.
ejector pin is provided with groove in 3 rear end in flakes, and the front end of center-pole 4 is provided with convex tendon, and ejector pin 3 is connected with center-pole 4 in flakes; During percussion; Center-pole 4 promotes ejector pins and moves upward in flakes, and after percussion was accomplished, center-pole was removed for 4 times and driven ejector pin and return in flakes and remove.Stiching instrument in the present embodiment is a stapler, and cutter are arranged on ejector pin in flakes on 4, and when accomplishing firing action and retreat, center-pole is removed for 4 times ejector pin 3 is pulled back in flakes, and cutter retract in the nail bin 2 simultaneously, have eliminated the potential danger of operator's damage.
are shown in accompanying drawing 2; Support 5 is provided with safety block 9; Ejector pin 3 is provided with fixture block 7 in flakes, and ejector pin 3 length in flakes so does not have the space between an end of nail bin 2 and center-pole 4 and the support 5 basically less than the length of nail bin 2 and center-pole 4 and the ejector pin width of 3 ends that are connected in flakes; And ejector pin in flakes 3 and support 5 between have the space; Fixture block 7 promptly is positioned at this space, and promptly fixture block 7 is between nail bin 2 and center-pole 4, and fixture block 7 can 3 move with respect to ejector pin along the direction of motion of center-pole 4 in flakes.
in the present embodiment, ejector pin 3 is provided with convex tendon in a side of joining with fixture block 7 in flakes, fixture block 7 is provided with groove with matching, fixture block 7 can 3 move with respect to ejector pin along convex tendon in flakes after the clamping.Convex tendon is parallel with the direction of motion of center-pole 4.During actual design, also can on fixture block 7, convex tendon be set, groove be set on 3 in flakes with matching with it at ejector pin.
nail bin 2 is provided with side opening 21, and the axle of this side opening 21 is parallel with center-pole 4 directions of motion.
Shown in accompanying drawing 2, under the released state of stiching instrument, trip 72 is located in the side opening 21
, and safety block 9 is positioned at the side of fixture block 7 and center-pole 4, and under the effect of shell fragment 8, safety block 9 is against the side of fixture block 7.
In
when percussion, center-pole 4 promotes ejector pins in flakes 3, also promotes the ejector pin fixture block 7 on 3 in flakes simultaneously, and fixture block 73 moves upward with ejector pin in flakes together, and trip 72 stretches out side opening 21, thereby makes fixture block 7 and nail bin 2 clampings; After accomplishing sew application, decontrol firing handle 6, center-pole 4 is retreated, and drive ejector pin and 3 retreat in flakes, but catch on nail bin 2 owing to trip 72 has stretched out side opening 21, so fixture block 72 can not removed along with returning together; When returning fully, center-pole 4 removes original state; Because there be not stopping of fixture block 7, the safety block 9 on the support 5 moves to nail bin 2 and center-pole 4 directions under the effect of shell fragment 8, and the end of safety block 9 gets between fixture block 7 and the center-pole 4; This moment, stiching instrument was in the lock state, shown in accompanying drawing 3.Safety block 9 stops center-pole 4 forward travel once more, thereby locks the athletic performance of whole apparatus, and apparatus can't be pulled the trigger once more.
the foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (1)
1. one kind has the stiching instrument that the sky nail bin is protected; It comprises nail anvil (1), inside be provided with the nail bin (2) of some seams nail, be used to promote the seam nail in said nail bin (2) and the nail bin (2) center-pole (4), connect said nail anvil (1) and support (5), an end of nail bin (2) and be arranged on said nail bin (2) is interior and the other end is connected with said center-pole (4) ejector pin (3) in flakes; It is characterized in that: described support (5) is provided with safety block (9); Described ejector pin is provided with fixture block (7) on (3) in flakes movably; This fixture block (7) is positioned between said nail bin (2) and the center-pole (4); Under the released state of stiching instrument, said safety block (9) offsets and off center bar (4) with fixture block (7), under the lock-out state of stiching instrument; Said fixture block (7) leaves safety block (9), and said safety block (9) gets between fixture block (7) and the center-pole (4); Said fixture block (7) can along the relative ejector pin of the direction of motion of center-pole (4) in flakes (3) movably with ejector pin in flakes (3) be connected; Described nail bin (2) is provided with side opening (21), and the axle of this side opening (21) is parallel with said center-pole (4) direction of motion; Described fixture block (7) has the inserted link (71) that the end has trip (72); Said inserted link (71) is arranged in the said side opening (21); Under the said released state of stiching instrument; Said trip (72) is located in the said side opening (21), and under the said lock-out state of stiching instrument, said trip (72) stretches out side opening (21) makes fixture block (7) and nail bin (2) clamping mutually; Described support (5) is provided with said safety block (9) applied and makes it have the shell fragment (8) of the power of the movement tendency between entering center-pole (4) and the fixture block (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101269030A CN102160811B (en) | 2011-05-17 | 2011-05-17 | Suturing instrument with empty nail chamber protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101269030A CN102160811B (en) | 2011-05-17 | 2011-05-17 | Suturing instrument with empty nail chamber protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102160811A CN102160811A (en) | 2011-08-24 |
| CN102160811B true CN102160811B (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101269030A Active CN102160811B (en) | 2011-05-17 | 2011-05-17 | Suturing instrument with empty nail chamber protection |
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| Country | Link |
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| CN (1) | CN102160811B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102488540B (en) * | 2011-12-16 | 2013-12-04 | 北京中法派尔特医疗设备有限公司 | High-intensity absorbable stitching nail and nail bin component |
| CN104027146A (en) * | 2014-06-06 | 2014-09-10 | 山东威瑞外科医用制品有限公司 | Anastomat with two safety mechanisms |
| CN104586446B (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 |
| CN107684446B (en) * | 2017-09-29 | 2023-09-12 | 苏州贝诺医疗器械有限公司 | Hemorrhoid ligation cutter |
| CN107582125B (en) * | 2017-09-29 | 2023-09-12 | 苏州贝诺医疗器械有限公司 | Surgical cutter |
| US10898197B2 (en) * | 2018-02-06 | 2021-01-26 | Ethicon Llc | Releasable coupling features for proximal portions of linear surgical stapler |
| CN111700668B (en) * | 2020-06-18 | 2021-03-16 | 苏州贝诺医疗器械有限公司 | Transverse intracavity stitching instrument with compact structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4508253A (en) * | 1983-10-04 | 1985-04-02 | United States Surgical Corporation | Surgical fastener applying apparatus |
| US7055730B2 (en) * | 2000-10-13 | 2006-06-06 | Tyco Healthcare Group Lp | Surgical fastener applying apparatus |
| CN201108467Y (en) * | 2007-10-19 | 2008-09-03 | 周明喜 | Anastomat |
| CN201719300U (en) * | 2010-05-26 | 2011-01-26 | 江苏瑞安贝医疗器械有限公司 | Linear type anastomat |
| CN101991450A (en) * | 2010-12-07 | 2011-03-30 | 苏州天臣国际医疗科技有限公司 | Linear seam cutting device |
| CN202104969U (en) * | 2011-05-17 | 2012-01-11 | 苏州贝诺医疗器械有限公司 | Stitching instrument with function of protecting empty nail bin |
-
2011
- 2011-05-17 CN CN2011101269030A patent/CN102160811B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4508253A (en) * | 1983-10-04 | 1985-04-02 | United States Surgical Corporation | Surgical fastener applying apparatus |
| US7055730B2 (en) * | 2000-10-13 | 2006-06-06 | Tyco Healthcare Group Lp | Surgical fastener applying apparatus |
| CN201108467Y (en) * | 2007-10-19 | 2008-09-03 | 周明喜 | Anastomat |
| CN201719300U (en) * | 2010-05-26 | 2011-01-26 | 江苏瑞安贝医疗器械有限公司 | Linear type anastomat |
| CN101991450A (en) * | 2010-12-07 | 2011-03-30 | 苏州天臣国际医疗科技有限公司 | Linear seam cutting device |
| CN202104969U (en) * | 2011-05-17 | 2012-01-11 | 苏州贝诺医疗器械有限公司 | Stitching instrument with function of protecting empty nail bin |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102160811A (en) | 2011-08-24 |
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