CN103126734B - Trigger structure of straight line cutting anastomat - Google Patents
Trigger structure of straight line cutting anastomat Download PDFInfo
- Publication number
- CN103126734B CN103126734B CN201310089937.6A CN201310089937A CN103126734B CN 103126734 B CN103126734 B CN 103126734B CN 201310089937 A CN201310089937 A CN 201310089937A CN 103126734 B CN103126734 B CN 103126734B
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- China
- Prior art keywords
- pushing block
- screw mandrel
- cutting anastomat
- transmission nut
- screw rod
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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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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a trigger structure of a straight line cutting anastomat. The trigger structure of the straight line cutting anastomat comprises a component seat support, an inclined wedge, a cutter bar, a pushing block and a drive device driving the pushing block to move. The cutter bar and the inclined wedge are respectively installed on the pushing block. The pushing block is installed in the component seat support in a sliding mode. The trigger structure of the straight line cutting anastomat further comprises a screw rod fixing seat. The screw rod fixing seat is fixedly connected with the bottom of the component seat support. The drive device comprises a screw rod, a transmission nut and a rotary handle. Two ends of the screw rod respectively and rotationally support on the screw rod fixing seat. The rotary handle is connected with one end of the screw rod in an inserting mode. The pushing block is fixedly connected with the transmission nut. A screw nut pair is composed of the transmission nut and the screw rod. The trigger structure of the straight line cutting anastomat is simple in structure, rotary force is changed to pushing force, trigger force is stable so that requirements for a user are greatly reduced, accuracy of trigger is improved, operation risk in the process of an operation is greatly reduced and safety in the process of the whole operation is improved.
Description
Technical field
The percussion structure that the present invention relates to a kind of linear cutting anastomat, belongs to technical field of medical instruments.
Background technology
At present, the firing lock that prior art is used is push button driving normally, its operation principle is: promote percussion button, inner mobile by tiltedly carving at nail bin, tiltedly carve drive push jack, anastomosis staple is released to nail bin surface until molding, while performing an operation, pulling the trigger structure is the direct firing action that promoted of hands by people, this kind of mode is high to the requirement of user (skill and dynamics on hand), once the not good of skill and dynamics grasp is easy to cause apparatus pull the trigger motionless and can only pull the trigger half, finally cause operative failure, risk is high.
Summary of the invention
Technical problem to be solved by this invention is the defect that overcomes prior art, a kind of percussion structure of linear cutting anastomat is provided, it is simple in structure, the power of rotation is changed over to motive force, make percussion dynamics steady, thereby reduced greatly the requirement to user, improved the precision of its percussion, also the risk that has reduced greatly operation in operation process, has improved the safety in whole operation process.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of percussion structure of linear cutting anastomat, comprise assembly mounting, tiltedly carve, knife bar, pushing block and the driving device that drives pushing block to move, knife bar and tiltedly carving is installed on pushing block, pushing block is slidably mounted in assembly mounting, also comprise screw mandrel holder, screw mandrel holder is fixedly connected on the bottom of assembly mounting, described driving device comprises screw mandrel, transmission nut and turning handle, the two ends of screw mandrel can be rotated to support on respectively on screw mandrel holder, peg graft in one end of turning handle and screw mandrel, pushing block is fixedly connected with transmission nut, transmission nut and screw mandrel form feed screw nut pair.
Further, the bottom of assembly mounting has gathering sill, is provided with the gib block that can slide in gathering sill on described transmission nut.
Further, on described assembly mounting, have foxy groove, on described pushing block, be provided with the slippery fellow that can slide in foxy groove.
Further, the tail end of described screw mandrel is provided with cotter pilotage head, and the head end of described turning handle is provided with the cotter pilotage chamber that can insert cotter pilotage head, and screw mandrel was plugged in together by cotter pilotage head and coordinating of cotter pilotage chamber.
Further, on described pushing block, pointer is housed.
Adopted after technique scheme, firing lock of the present invention adopts the percussion of the feed screw nut pair kind of drive, make turning handle drive screw mandrel to rotate, screw mandrel drives transmission nut to move forward, transmission nut drives pushing block to move forward again, knife bar on pushing block drives the cutter of linear cutting anastomat to move forward again, the pushing slice of nail that simultaneously promotes linear cutting anastomat by tiltedly carving upwards moves anastomosis staple, in nail forming tank, become B font, the power of rotation is changed over to motive force, make percussion dynamics steady, thereby reduced greatly the requirement to user, improved the precision of its percussion, in operation process, also reduced greatly the risk of operation, improved the safety in whole operation process.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the percussion structure of linear cutting anastomat of the present invention;
Fig. 2 is the axonometric chart of assembly mounting of the present invention;
Fig. 3 is the axonometric chart of turning handle of the present invention;
Fig. 4 is the axonometric chart of transmission nut of the present invention;
Fig. 5 is the axonometric chart of tiltedly carving of the present invention;
Fig. 6 is the A portion enlarged drawing of Fig. 1;
Fig. 7 is the connection diagram of screw mandrel of the present invention and turning handle.
The specific embodiment
For content of the present invention is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation below,
As shown in Fig. 1 ~ 7, a kind of percussion structure of linear cutting anastomat, comprise assembly mounting 12, tiltedly carve 9, knife bar 7, pushing block 4 and the driving device that drives pushing block 4 to move, knife bar 7 and tiltedly carve 9 and be installed on pushing block 4, pushing block 4 is slidably mounted in assembly mounting 12, also comprise screw mandrel holder 6, screw mandrel holder 6 is fixedly connected on the bottom of assembly mounting 12, driving device comprises screw mandrel 2, transmission nut 3 and turning handle 1, the two ends of screw mandrel 2 can be rotated to support on respectively on screw mandrel holder 6, turning handle 1 is pegged graft with one end of screw mandrel 2, pushing block 4 is fixedly connected with transmission nut 3, transmission nut 3 forms feed screw nut pair with screw mandrel 2.
As shown in Figure 2,4, the bottom of assembly mounting 12 has gathering sill 12-1, is provided with the gib block 3-1 that can slide in gathering sill 12-1 on transmission nut 3.This kind of structure plays guiding to transmission nut 3.
As shown in Figure 6, on assembly mounting 12, have foxy groove 12-2, on pushing block 4, be provided with the foxy 4-1 that can slide in foxy groove 12-2.This kind of structure play the guiding role in the interior slip of assembly mounting 12 to pushing block 4.
In order to prevent relatively rotating between turning handle 1 and screw mandrel 2, as shown in Figure 7, the tail end of screw mandrel 2 is provided with cotter pilotage head 2-1, and the head end of turning handle 1 is provided with the cotter pilotage chamber 1-1 that can insert cotter pilotage head 12-3, and screw mandrel 2 is plugged in together with coordinating of cotter pilotage chamber 1-1 by cotter pilotage head 2-1.
Pointer 5 is housed, to understand in real time firing position on pushing block 4.
Firing lock of the present invention is suitable for the products of different specifications such as linear cutting anastomat 55,60,75,80,100,120,150.
The pitch of the screw mandrel of this linear cutting anastomat can adopt 4mm or 6mm or 8mm or 10mm or 12mm, but is not limited to this.
Operation principle of the present invention is as follows:
Firing lock of the present invention adopts the percussion of the feed screw nut pair kind of drive, make turning handle 1 drive screw mandrel 2 to rotate, screw mandrel 2 drives transmission nut 3 to move forward, transmission nut 3 drives pushing block 4 to move forward again, knife bar 7 on pushing block 4 drives the cutter of linear cutting anastomat to move forward again, by tiltedly carving the pushing slice of nail of 9 promotion linear cutting anastomats, anastomosis staple is upwards moved simultaneously, in nail forming tank, become B font, the power of rotation is changed over to motive force, make percussion dynamics steady, thereby reduced greatly the requirement to user, improved the precision of its percussion, in operation process, also reduced greatly the risk of operation, improved the safety in whole operation process.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. the percussion structure of a linear cutting anastomat, comprise assembly mounting (12), tiltedly carve (9), knife bar (7), pushing block (4) and the driving device that drives pushing block (4) to move, knife bar (7) and tiltedly carve (9) and be installed on pushing block (4), pushing block (4) is slidably mounted in assembly mounting (12), it is characterized in that: also comprise screw mandrel holder (6), screw mandrel holder (6) is fixedly connected on the bottom of assembly mounting (12), described driving device comprises screw mandrel (2), transmission nut (3) and turning handle (1), the two ends of screw mandrel (2) can be rotated to support on respectively on screw mandrel holder (6), turning handle (1) is pegged graft with one end of screw mandrel (2), pushing block (4) is fixedly connected with transmission nut (3), transmission nut (3) forms feed screw nut pair with screw mandrel (2).
2. the percussion structure of linear cutting anastomat according to claim 1, it is characterized in that: the bottom of described assembly mounting (12) has gathering sill (12-1), on described transmission nut (3), be provided with the gib block (3-1) that can slide in gathering sill (12-1).
3. the percussion structure of linear cutting anastomat according to claim 1, it is characterized in that: on described assembly mounting (12), have foxy groove (12-2), on described pushing block (4), be provided with the slippery fellow (4-1) that can slide in foxy groove (12-2).
4. the percussion structure of linear cutting anastomat according to claim 1, it is characterized in that: the tail end of described screw mandrel (2) is provided with cotter pilotage head (2-1), the head end of described turning handle (1) is provided with the cotter pilotage chamber (1-1) that can insert cotter pilotage head (12-3), and screw mandrel (2) was plugged in together by cotter pilotage head (2-1) and coordinating of cotter pilotage chamber (1-1).
5. the percussion structure of linear cutting anastomat according to claim 1, is characterized in that: pointer (5) is housed on described pushing block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089937.6A CN103126734B (en) | 2013-03-20 | 2013-03-20 | Trigger structure of straight line cutting anastomat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089937.6A CN103126734B (en) | 2013-03-20 | 2013-03-20 | Trigger structure of straight line cutting anastomat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103126734A CN103126734A (en) | 2013-06-05 |
| CN103126734B true CN103126734B (en) | 2014-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310089937.6A Active CN103126734B (en) | 2013-03-20 | 2013-03-20 | Trigger structure of straight line cutting anastomat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103126734B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103349559A (en) * | 2013-07-16 | 2013-10-16 | 施志文 | Electric driving type firing mechanism of linear cutting anastomat |
| CN108517750A (en) * | 2018-04-20 | 2018-09-11 | 朱加春 | A kind of road construction left-right movable type joint-cutting equipment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4442964A (en) * | 1981-12-07 | 1984-04-17 | Senco Products, Inc. | Pressure sensitive and working-gap controlled surgical stapling instrument |
| US7464847B2 (en) * | 2005-06-03 | 2008-12-16 | Tyco Healthcare Group Lp | Surgical stapler with timer and feedback display |
| CA2500796C (en) * | 2002-10-04 | 2011-03-15 | Tyco Healthcare Group, Lp | Tool assembly for surgical stapling device |
| CN102125450B (en) * | 2011-04-29 | 2012-07-25 | 常州市康迪医用吻合器有限公司 | Cutter stapler for surgery |
| CN202426587U (en) * | 2011-12-22 | 2012-09-12 | 苏州天臣国际医疗科技有限公司 | Linear suture and incision device for surgery |
| CN102512222B (en) * | 2012-01-10 | 2013-05-29 | 常州市康迪医用吻合器有限公司 | Occlusion device for linear excision anastomat for surgical department |
| CN203169240U (en) * | 2013-03-20 | 2013-09-04 | 常州市延陵电子设备有限公司 | Percussion structure of straight line cutting anastomat |
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2013
- 2013-03-20 CN CN201310089937.6A patent/CN103126734B/en active Active
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| Publication number | Publication date |
|---|---|
| CN103126734A (en) | 2013-06-05 |
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| SE01 | Entry into force of request for substantive examination | ||
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Effective date of registration: 20170223 Address after: Tianning District 213114 Jiangsu city of Changzhou province Zheng Lu peaceful industrial zone (Heng Road No. 8) Patentee after: Changzhou Health Microport Medical Device Co., Ltd. Address before: 213114 Jiangsu city of Changzhou province Wujin Economic Development Zone, Road No. 23 Patentee before: Changzhou Yanling Electronic Equipment Co., Ltd. |