CN104434240A - Lophodont tooth reciprocating motion control structure of endoscopic linear incision stitching instrument - Google Patents
Lophodont tooth reciprocating motion control structure of endoscopic linear incision stitching instrument Download PDFInfo
- Publication number
- CN104434240A CN104434240A CN201310438343.1A CN201310438343A CN104434240A CN 104434240 A CN104434240 A CN 104434240A CN 201310438343 A CN201310438343 A CN 201310438343A CN 104434240 A CN104434240 A CN 104434240A
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- Prior art keywords
- rollback
- push rod
- tooth
- ratchet
- advance
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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
-
- 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
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a lophodont tooth reciprocating motion control structure of an endoscopic linear incision stitching instrument. The lophodont tooth reciprocating motion control structure comprises an incision anastomat body, wherein a single-hand driving device is further arranged in the incision anastomat body, and the single-hand driving device comprises a bidirectional ratchet and a trigger; the top end of the trigger is of a groove structure, one end of the groove is connected with a triggering pawl, and the other end of the groove is connected with a retreating pawl; the bidirectional ratchet is provided with forward teeth and backward teeth, and a left reset sheet and a right reset sheet are arranged on the two side faces of the forward teeth and the backward teeth respectively. The lophodont tooth reciprocating motion control structure has the incision anastomosis effect of a traditional incision anastomat, and in the retraction process, retraction can be completed by a single hand without the other hand of an operator or assistance from other people; as a result, the lophodont tooth reciprocating motion control structure is easy to operate, safe, stable, reliable and capable of reducing secondary injuries to a human body.
Description
Technical field
The present invention relates to a kind of medical equipment, specifically a kind of chamber mirror line cutting stitching instrument ridge tooth moves back and forth control structure.
Background technology
Minimally Invasive Surgery anastomat in the market completes in operation and exits Shi doctor and cannot carry out one-handed performance, temporarily must abandon the action of another hands or rely on other people to assist withdrawing to promote resetting structure.Just easily there is following problem in this case:
If 1, doctor abandon another hands action assist withdrawing mean that pathological tissues very easily contacts other normal structures, cause pathological changes;
If 2 have other people to help, then between assistant and doctor, undue force then can involve tissue, causes secondary injury.
Based on the problems referred to above, the invention provides a kind of chamber mirror line cutting stitching instrument ridge tooth and move back and forth control structure.
Summary of the invention
The object of the invention is the deficiency existed for prior art, provide a kind of chamber mirror line cutting stitching instrument ridge tooth to move back and forth control structure.
For achieving the above object, the technical solution used in the present invention is that a kind of chamber mirror line cutting stitching instrument ridge tooth moves back and forth control structure, comprise Endo-GIA body, also be provided with singlehanded driving device in described Endo-GIA body, this singlehanded driving device comprises housing, two-way ratchet trigger, the top of described trigger is groove structure, and one end of groove is connected with percussion ratchet, and the other end is connected with rollback ratchet, described two-way ratchet is provided with advance tooth and rollback tooth, and be respectively equipped with left reseting plate and right reseting plate in the two sides of advance tooth and retrogressing tooth, and left reseting plate and right reseting plate are respectively equipped with rollback push rod and advance push rod, described rollback push rod and advance push rod are connected on housing by alignment pin, and be provided with fixed block between rollback push rod and advance push rod, the lower end of this fixed block tightly touch rollback push rod and advance push rod, and fixed block upper end is connected with SR, this SR can drive fixed block to seesaw, fixed block seesaw extruding rollback push rod and advance push rod rotate on alignment pin, left reseting plate and right reseting plate are alternately moved up and down repeatedly, and drive rollback ratchet and percussion ratchet repeatedly alternately to move up and down, and rollback ratchet and percussion ratchet alternately can engage with the rollback tooth of two-way ratchet and advance tooth respectively repeatedly.
In the present invention, not only be provided with the percussion ratchet of traditional Endo-GIA, and rollback ratchet is set on trigger, and corresponding two-way ratchet is arranged corresponding rollback tooth and advance tooth, the left reseting plate of rollback tooth and advance tooth both sides and right reseting plate, extruded by rollback push rod and advance push rod under the effect of fixed block, rollback push rod and advance push rod are two identical cam structures, and placing direction is contrary, the lower end of fixed block is also one in front and one in back extruded by rollback push rod and advance push rod, fixed block can extrude rollback push rod when seesawing and advance push rod rotates on alignment pin, thus left reseting plate and right reseting plate can be made repeatedly alternately to move up and down, and drive rollback ratchet and percussion ratchet repeatedly alternately to move up and down, and rollback ratchet and percussion ratchet alternately can engage with the rollback tooth of two-way ratchet and advance tooth respectively repeatedly.
Wherein, in order to enable fixed block better drive rollback ratchet and pull the trigger alternately moving up and down of ratchet, fixed block arranging projection, and on housing, is provided with the stopper slot corresponding with projection, seesawing of fixed block can not only be made more smooth and easy, spacing effect can also be played.
Wherein, in order to ensure integrally-built safety, two-way ratchet is also provided with percussion safety device.
Wherein, in order to realize one-handed performance when operating, SR can be set to detachable block, and be arranged on the rearmost end of left reseting plate and right reseting plate, so just can regulate required running status by the operation of thumb.
Beneficial effect: the present invention compared with prior art, there is following beneficial effect: the present invention not only has the identical effect of cutting of traditional Endo-GIA, and another hands or other people assistance can not be needed when withdrawing under, one hand completes tool backlash movement, and eliminate the withdrawing bar of traditional Endo-GIA, the present invention is taken up space less, simple to operate, safety and stability is reliable, can reduce the secondary injury to human body.
Accompanying drawing explanation
Fig. 1 is overall structure explosive view of the present invention;
Wherein, 1 steering gear bracket assembly, steering head assembly on 2,3 left reseting plates, 4 right reseting plates, 5 SRs, 6 fixed blocks, 7 rollback push rods, 8 housings, 9 two-way ratchets, 10 percussion ratchets, 11 rollback ratchets, 12 triggers, 13 advance push rods, 14 projections.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, the present embodiment is implemented under premised on technical solution of the present invention, should understand these embodiments and only be not used in for illustration of the present invention and limit the scope of the invention.
As shown in Figure 1, a kind of chamber mirror line cutting stitching instrument ridge tooth moves back and forth control structure, and comprise Endo-GIA body, be also provided with singlehanded driving device in described Endo-GIA body, this singlehanded driving device comprises housing 8, two-way ratchet 9 trigger 12, the top of described trigger 12 is groove structure, and one end of groove is connected with percussion ratchet 10, and the other end is connected with rollback ratchet 11, described two-way ratchet 9 is provided with advance tooth and rollback tooth, and be respectively equipped with left reseting plate 3 and right reseting plate 4 in the two sides of advance tooth and retrogressing tooth, and left reseting plate 3 and right reseting plate 4 are respectively equipped with rollback push rod 7 and advance push rod 13, described rollback push rod 7 and advance push rod 13 are connected on housing 8 by alignment pin, and be provided with fixed block 6 between rollback push rod 7 and advance push rod 13, the lower end of this fixed block 6 tightly touch rollback push rod 7 and advance push rod 13, and fixed block 6 upper end is connected with SR 5, this SR 5 can drive fixed block 6 to seesaw, seesaw extruding rollback push rod 7 and advance push rod 13 of fixed block 6 rotates on alignment pin, left reseting plate 3 and right reseting plate 4 are alternately moved up and down repeatedly, and drive rollback ratchet 11 and percussion ratchet 10 repeatedly alternately to move up and down, and rollback ratchet 11 and percussion ratchet 10 alternately can engage with the rollback tooth of two-way ratchet 9 and advance tooth respectively repeatedly.
Wherein, described fixed block 6 is also provided with projection 14, described housing 8 is provided with the stopper slot corresponding with projection 14.
Wherein, described two-way ratchet 9 is also provided with percussion safety device.
Wherein, described SR 5 is detachable block, can be arranged on the rearmost end of left reseting plate 3 and right reseting plate 4.
When the present invention carries out operation stitching, first percussion safety device is opened, with thumb, SR is pushed away forward simultaneously, whole mechanism is placed in cock, the advance tooth of namely pulling the trigger ratchet and two-way ratchet is in engagement, now the rollback tooth of rollback ratchet and two-way ratchet is then in released state, carries out stitching action along with pulling trigger anastomat forward under the synergism of each mechanism.
After stitching completes, when wanting withdrawing, use thumb by SR toward pusher, whole mechanism is placed in rollback state, namely the rollback tooth of rollback ratchet and two-way ratchet is in engagement, and the advance tooth of pulling the trigger ratchet and two-way ratchet is then in released state, and when now pulling trigger, anastomat will slowly retreat under the synergism of each mechanism, thus reach one-handed performance, safety, stablize the object of withdrawing, and then reduce the secondary injury to human body.
Claims (4)
1. a chamber mirror line cutting stitching instrument ridge tooth moves back and forth control structure, comprise Endo-GIA body, it is characterized in that: be also provided with singlehanded driving device in described Endo-GIA body, this singlehanded driving device comprises housing (8), two-way ratchet (9) trigger (12); The top of described trigger (12) is groove structure, and one end of groove is connected with percussion ratchet (10), and the other end is connected with rollback ratchet (11); described two-way ratchet (9) is provided with advance tooth and rollback tooth, and be respectively equipped with left reseting plate (3) and right reseting plate (4) in the two sides of advance tooth and retrogressing tooth, and left reseting plate (3) and right reseting plate (4) are respectively equipped with rollback push rod (7) and advance push rod (13), described rollback push rod (7) and advance push rod (13) are connected on housing (8) by alignment pin, and be provided with fixed block (6) between rollback push rod (7) and advance push rod (13), the lower end of this fixed block (6) tightly touch rollback push rod (7) and advance push rod (13), and fixed block (6) upper end is connected with SR (5), this SR (5) can drive fixed block (6) to seesaw, fixed block (6) seesaw extruding rollback push rod (7) and advance push rod (13) rotate on alignment pin, left reseting plate (3) and right reseting plate (4) are alternately moved up and down repeatedly, and drive rollback ratchet (11) and percussion ratchet (10) repeatedly alternately to move up and down, and rollback ratchet (11) and percussion ratchet (10) alternately can be engaged with the rollback tooth of two-way ratchet (9) and advance tooth respectively repeatedly.
2. a kind of chamber according to claim 1 mirror line cutting stitching instrument ridge tooth moves back and forth control structure, and it is characterized in that: described fixed block (6) is also provided with projection (14), described housing (8) is provided with the stopper slot corresponding with projection (14).
3. a kind of chamber according to claim 1 mirror line cutting stitching instrument ridge tooth moves back and forth control structure, it is characterized in that: described two-way ratchet (9) is also provided with percussion safety device.
4. a kind of chamber according to claim 1 mirror line cutting stitching instrument ridge tooth moves back and forth control structure, it is characterized in that: described SR (5) is detachable block, can be arranged on the rearmost end of left reseting plate (3) and right reseting plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310438343.1A CN104434240B (en) | 2013-09-24 | 2013-09-24 | A kind of chamber mirror line cutting stitching instrument ridge tooth moves back and forth control structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310438343.1A CN104434240B (en) | 2013-09-24 | 2013-09-24 | A kind of chamber mirror line cutting stitching instrument ridge tooth moves back and forth control structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104434240A true CN104434240A (en) | 2015-03-25 |
| CN104434240B CN104434240B (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310438343.1A Active CN104434240B (en) | 2013-09-24 | 2013-09-24 | A kind of chamber mirror line cutting stitching instrument ridge tooth moves back and forth control structure |
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| CN (1) | CN104434240B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108209995A (en) * | 2017-11-08 | 2018-06-29 | 江苏臣诺医疗器械有限公司 | A kind of stapler for surgical operation |
| CN113893010A (en) * | 2021-09-09 | 2022-01-07 | 李汉忠 | Electric rotary plasma resectoscope |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1782738A2 (en) * | 2005-11-04 | 2007-05-09 | Ethicon Endo-Surgery, Inc. | Lockout mechanism and surgical instruments including same |
| EP2090236A2 (en) * | 2008-02-14 | 2009-08-19 | Ethicon Endo-Surgery, Inc. | Surgical stapling apparatus with interlockable firing system |
| CN101507641A (en) * | 2008-02-14 | 2009-08-19 | 伊西康内外科公司 | Surgical stapling apparatus with control features operable with one hand |
| CN101940483A (en) * | 2006-10-06 | 2011-01-12 | Tyco医疗健康集团 | Grasping jaw mechanism |
| CN203539400U (en) * | 2013-09-24 | 2014-04-16 | 无锡德瑞克机械科技有限公司 | Control structure for reciprocating motion of ratchet teeth of linear cutting stitching instrument of endoscope |
-
2013
- 2013-09-24 CN CN201310438343.1A patent/CN104434240B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1782738A2 (en) * | 2005-11-04 | 2007-05-09 | Ethicon Endo-Surgery, Inc. | Lockout mechanism and surgical instruments including same |
| CN101940483A (en) * | 2006-10-06 | 2011-01-12 | Tyco医疗健康集团 | Grasping jaw mechanism |
| EP2090236A2 (en) * | 2008-02-14 | 2009-08-19 | Ethicon Endo-Surgery, Inc. | Surgical stapling apparatus with interlockable firing system |
| CN101507641A (en) * | 2008-02-14 | 2009-08-19 | 伊西康内外科公司 | Surgical stapling apparatus with control features operable with one hand |
| CN203539400U (en) * | 2013-09-24 | 2014-04-16 | 无锡德瑞克机械科技有限公司 | Control structure for reciprocating motion of ratchet teeth of linear cutting stitching instrument of endoscope |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108209995A (en) * | 2017-11-08 | 2018-06-29 | 江苏臣诺医疗器械有限公司 | A kind of stapler for surgical operation |
| CN108209995B (en) * | 2017-11-08 | 2024-05-14 | 苏州美东汇成精密部件有限公司 | Anastomat for surgical operation |
| CN113893010A (en) * | 2021-09-09 | 2022-01-07 | 李汉忠 | Electric rotary plasma resectoscope |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104434240B (en) | 2017-01-04 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20170707 Address after: 214000 Xishan economic and Technological Development Zone, Wuxi, Furong Road No. 99, No., No. three Patentee after: WUXI BEIEN SURGICAL INSTRUMENT CO., LTD. Address before: 214000 Xishan economic and Technological Development Zone, Wuxi, Furong Road No. 99, No., No. three Patentee before: WUXI DERUIKE MACHINERY TECHNOLOGY CO., LTD. |