CN203169240U - Percussion structure of straight line cutting anastomat - Google Patents
Percussion structure of straight line cutting anastomat Download PDFInfo
- Publication number
- CN203169240U CN203169240U CN 201320128060 CN201320128060U CN203169240U CN 203169240 U CN203169240 U CN 203169240U CN 201320128060 CN201320128060 CN 201320128060 CN 201320128060 U CN201320128060 U CN 201320128060U CN 203169240 U CN203169240 U CN 203169240U
- Authority
- CN
- China
- Prior art keywords
- pushing block
- screw mandrel
- percussion
- screw rod
- cutting anastomat
- 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.)
- Withdrawn - After Issue
Links
- 238000009527 percussion Methods 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 8
- 238000010304 firing Methods 0.000 description 6
- 230000003872 anastomosis Effects 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 utility model discloses a percussion structure of a straight line cutting anastomat. The percussion structure comprises an element base frame, an oblique wedge, a cutter bar, a pushing block and a driving device, wherein the driving device drives the pushing block to move, the cutter bar and the oblique wedge are installed on the pushing block, and the pushing block is installed in the element base frame in a sliding mode. The percussion structure further comprises a screw rod fixed base, wherein the screw rod fixed base is fixedly connected to the bottom of the element base frame. The driving device comprises a screw rod, a transmission nut and a rotating handle, wherein the two ends of the screw rod are respectively supported on the screw rod fixed base in a rotatable mode, the rotating handle is connected with one end of the screw rod in an inserting mode, the pushing block is fixedly connected with the transmission nut, and the transmission nut and the screw rod form a screw rod nut pair. The percussion structure of the straight line cutting anastomat is simple in structure, converts rotating force into pushing force, enables percussion force to be stable, accordingly, greatly reduces requirements for a user, improves precision of percussion, greatly reduces risks of an operation in the process of the operation, and improves security of the whole operation process.
Description
Technical field
This utility model relates to a kind of percussion structure of linear cutting anastomat, belongs to technical field of medical instruments.
Background technology
At present, the employed firing lock of prior art is the push button driving normally, its operation principle is: promote the percussion button, inner mobile by tiltedly carving at nail bin, tiltedly carve the drive push jack, anastomosis staple is released the nail bin surface until molding, the percussion structure is that firing action is finished in direct promotion by people's hands when performing an operation, this kind mode is high to the requirement (skill and dynamics on hand) of user, in case skill and dynamics are grasped not goodly is easy to cause the apparatus percussion motionless and can only pull the trigger half, finally cause operative failure, risk is high.
Summary of the invention
Technical problem to be solved in the utility model is the defective that overcomes prior art, a kind of percussion structure of linear cutting anastomat is provided, it is simple in structure, the power of rotating is changed over motive force, make the percussion dynamics steady, thereby reduced the requirement to user greatly, improved the precision of its percussion, in operation process, also reduce the risk of operation greatly, improved the whole surgery process safe.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: a kind of percussion structure of linear cutting anastomat, comprise the assembly mounting, tiltedly carve, knife bar, the driving device that pushing block and driving pushing block move, knife bar and tiltedly carving is installed on the pushing block, pushing block is slidably mounted in the assembly mounting, also comprise the screw mandrel holder, the 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 the screw mandrel holder, one end of turning handle and screw mandrel is pegged graft, pushing block is fixedlyed connected with transmission nut, and transmission nut and screw mandrel are formed feed screw nut pair.
Further, the bottom of assembly mounting has gathering sill, and described transmission nut is provided with the gib block that can slide in gathering sill.
Further, have foxy groove on the described assembly mounting, described pushing block is provided with the slippery fellow that can slide in foxy groove.
Further, the tail end of described screw mandrel is provided with the cotter pilotage head, and the head end of described turning handle is provided with the cotter pilotage chamber that can insert the cotter pilotage head, and screw mandrel is plugged on by the cooperation of cotter pilotage head with the cotter pilotage chamber.
Further, on the described pushing block pointer is housed.
After having adopted technique scheme, firing lock of the present utility model adopts the percussion of the feed screw nut pair kind of drive, making turning handle drive screw mandrel rotates, screw mandrel drives transmission nut and moves forward, transmission nut drives pushing block again and moves forward, the cutter that knife bar on the pushing block drives linear cutting anastomat again move forward, by tiltedly carving the pushing slice of nail that promotes linear cutting anastomat anastomosis staple is upwards moved simultaneously, in the nail forming tank, become the B font, the power of rotating is changed over motive force, make the percussion dynamics steady, thereby reduced the requirement to user greatly, improve the precision of its percussion, in operation process, also reduced the risk of operation greatly, improved the whole surgery process safe.
Description of drawings
Fig. 1 is the axonometric chart of the percussion structure of linear cutting anastomat of the present utility model;
Fig. 2 is the axonometric chart of assembly mounting of the present utility model;
Fig. 3 is the axonometric chart of turning handle of the present utility model;
Fig. 4 is the axonometric chart of transmission nut of the present utility model;
Fig. 5 is the axonometric chart of tiltedly carving of the present utility model;
Fig. 6 is the A portion enlarged drawing of Fig. 1;
Fig. 7 is the connection diagram of screw mandrel of the present utility model and turning handle.
The specific embodiment
Content of the present utility model is easier to be expressly understood in order to make, according to specific embodiment also by reference to the accompanying drawings, this utility model is described in further detail below,
Shown in Fig. 1 ~ 7, a kind of percussion structure of linear cutting anastomat, comprise assembly mounting 12, tiltedly carve 9, knife bar 7, the driving device that pushing block 4 and driving pushing block 4 move, knife bar 7 and tiltedly carve 9 and be installed on the pushing block 4, pushing block 4 is slidably mounted in the 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 the screw mandrel holder 6, turning handle 1 is pegged graft with an end of screw mandrel 2, and pushing block 4 is fixedlyed connected with transmission nut 3, and transmission nut 3 is formed feed screw nut pair with screw mandrel 2.
Shown in Fig. 2,4, the bottom of assembly mounting 12 has gathering sill 12-1, and transmission nut 3 is provided with the gib block 3-1 that can slide in gathering sill 12-1.This kind structure plays guiding to transmission nut 3.
As shown in Figure 6, have foxy groove 12-2 on the assembly mounting 12, pushing block 4 is provided with the foxy 4-1 that can slide in foxy groove 12-2.This kind structure is slided in assembly mounting 12 to pushing block 4 and is play the guiding role.
In order to prevent relatively rotating between turning handle 1 and the 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 on the cooperation of cotter pilotage chamber 1-1 by cotter pilotage head 2-1.
Firing lock of the present utility model is suitable for linear cutting anastomat 55,60,75,80,100,120, products of different specifications such as 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 thereto.
Operation principle of the present utility model is as follows:
Firing lock of the present utility model adopts the percussion of the feed screw nut pair kind of drive, making turning handle 1 drive screw mandrel 2 rotates, screw mandrel 2 drives transmission nut 3 and moves forward, transmission nut 3 drives pushing block 4 again and moves forward, the cutter that knife bar 7 on the pushing block 4 drives linear cutting anastomat again move forward, promote the pushing slice of nail of linear cutting anastomat upwards action of anastomosis staple by tiltedly carving 9 simultaneously, in the nail forming tank, become the B font, the power of rotating is changed over motive force, make the percussion dynamics steady, thereby reduced the requirement to user greatly, improved the precision of its percussion, in operation process, also reduce the risk of operation greatly, improved the whole surgery process safe.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiment of the utility model; be not limited to this utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
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 mobile driving device of driving pushing block (4), knife bar (7) and tiltedly carve (9) and be installed on the pushing block (4), pushing block (4) is slidably mounted in the 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 the screw mandrel holder (6), turning handle (1) is pegged graft with an end of screw mandrel (2), pushing block (4) is fixedlyed connected with transmission nut (3), and transmission nut (3) is formed 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), and described transmission nut (3) is 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: have foxy groove (12-2) on the described assembly mounting (12), described pushing block (4) is 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) is plugged on by the cooperation of cotter pilotage head (2-1) with 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 the described pushing block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320128060 CN203169240U (en) | 2013-03-20 | 2013-03-20 | Percussion structure of straight line cutting anastomat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320128060 CN203169240U (en) | 2013-03-20 | 2013-03-20 | Percussion structure of straight line cutting anastomat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203169240U true CN203169240U (en) | 2013-09-04 |
Family
ID=49065999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320128060 Withdrawn - After Issue CN203169240U (en) | 2013-03-20 | 2013-03-20 | Percussion structure of straight line cutting anastomat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203169240U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103126734A (en) * | 2013-03-20 | 2013-06-05 | 常州市延陵电子设备有限公司 | Trigger structure of straight line cutting anastomat |
| CN105232102A (en) * | 2014-07-01 | 2016-01-13 | 柯惠Lp公司 | Composite drive beam for surgical stapling |
| CN106679869A (en) * | 2016-12-27 | 2017-05-17 | 江苏风和医疗器材股份有限公司 | Device for detecting triggering force of surgical stapler |
-
2013
- 2013-03-20 CN CN 201320128060 patent/CN203169240U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103126734A (en) * | 2013-03-20 | 2013-06-05 | 常州市延陵电子设备有限公司 | Trigger structure of straight line cutting anastomat |
| CN105232102A (en) * | 2014-07-01 | 2016-01-13 | 柯惠Lp公司 | Composite drive beam for surgical stapling |
| US10182820B2 (en) | 2014-07-01 | 2019-01-22 | Covidien Lp | Composite drive beam for surgical stapling |
| CN105232102B (en) * | 2014-07-01 | 2019-04-09 | 柯惠Lp公司 | Composite drive beam for surgical stapling |
| CN106679869A (en) * | 2016-12-27 | 2017-05-17 | 江苏风和医疗器材股份有限公司 | Device for detecting triggering force of surgical stapler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130904 Effective date of abandoning: 20141126 |
|
| RGAV | Abandon patent right to avoid regrant |