CN203234775U - Cutting anastomat with spiral propelling mechanism - Google Patents
Cutting anastomat with spiral propelling mechanism Download PDFInfo
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- CN203234775U CN203234775U CN 201320157019 CN201320157019U CN203234775U CN 203234775 U CN203234775 U CN 203234775U CN 201320157019 CN201320157019 CN 201320157019 CN 201320157019 U CN201320157019 U CN 201320157019U CN 203234775 U CN203234775 U CN 203234775U
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- nail
- screw mandrel
- screw
- pushing plate
- endo
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Abstract
The utility model discloses a cutting anastomat with a spiral propelling mechanism, which belongs to field of medical instruments for surgical operation. The cutting anastomat comprises a cavity body, a nail cabin, an anastomosis nail, a nail cabin support, a nail supporting seat support, a cutter, nail pushing pieces, a moving block, a screw rod, a hand wheel and a nail pushing plate, wherein the nail cabin is fixedly connected with the nail cabin support; the nail supporting seat support is arranged above the nail cabin support, and the nail pushing plate, the moving block, the screw rod and the hand wheel form a rotation propelling mechanism; the hand wheel is fixedly connected with the screw rod, and the screw rod is connected with the moving block through threads; the cutter and the nail pushing plate are both fixedly arranged on the moving block; the front end of the nail pushing plate is of an inclined surface structure; and the nail cabin support is internally and parallelly provided with two or more than two nail pushing pieces. According to the cutting anastomat disclosed by the utility model, the gentle propelling of the nail pushing plate and the cutter can be realized only by rotating the hand wheel during a propelling process, not only is labor intensity of the medical staff reduced, but also the probability of scratching the hands due to slipping can be avoided, and the forming quality of the anastomosis nail is increased.
Description
Technical field
This utility model relates to a kind of surgical operation medical apparatus and instruments, specifically, relates to a kind of Endo-GIA, more particularly, relates to a kind of Endo-GIA with screw propulsion mechanism.
Background technology
In the cutting anastomosis operation, adopt Endo-GIA can reduce operating time, improve the operation quality.At present, the Endo-GIA propulsive mechanism generally is comprised of nail pushing plate, cutting blade and handspike.When operation, one holds handle, enforces handspike on the other hand, and nail pushing plate and cutting blade are pushed ahead; And for making anastomosis staple smoothly penetrate tissue and molding, and cutter successfully cut and organize, and are subject at least the effect of following three power in progradation: the one, the penetration power of anastomosis staple penetrate tissue; The 2nd, the deformation power of anastomosis staple molding; The 3rd, the cutting force that cutter cut and organize.Three above-mentioned in handspike progradation power are variable force, and the anastomosis staple penetrate tissue is discontinuous penetrating, and along with the propelling of handspike, the size of power fluctuates to some extent; When anastomosis staple is pushed ahead at nail pushing plate, produce pressure nail power upwards, anastomosis staple is in the process of lifting, run into resist-nailed seat of anastomat and the bending of being obstructed, when producing strain, stressed larger, when being deformed to Materials Yield Limit, deformation power reduces suddenly, and the fluctuation of its power is maximum; Cutting force also can change with the thickness that cuts and organizes.The force action of above-mentioned three power is on handspike, and not only resistance is large, and the fluctuation of power value is also large, cause when advancing with handspike, dynamics is difficult to control, and the progradation utmost point is not steady, have a strong impact on the Forming Quality of anastomosis staple, and then affect the quality of tissue apposition and cutting.In addition, in operation, when the medical worker wears the altex glove operation, blood and other some liquid easily are bonded on operating grip and the pushing ram, promotion handspike that can not be safe, effective, gentle, sometimes in addition the altex glove that can fray the medical worker scratch hands, bring the risk of infection to the medical worker.
Existing Endo-GIA, such as China Patent No. ZL201120050122.3, Granted publication day is on November 23rd, 2011, invention and created name is: disposable use Linear cutting anastomat, this application case relates to a kind of disposable use Linear cutting anastomat, its structure comprises nail bin, the nail supporting base support, the nail bin support, flexible handle cover and nail supporting base support cover, described nail bin below is provided with the nail supporting base support, this nail bin is fixedly connected with the nail bin support, described nail bin support one side is provided with the flexible handle cover, and flexible handle cover below is provided with nail supporting base support cover.Although this application case has good cutting and stitching ability, when using, this patent requires evenly firmly, but dynamics is difficult to control, cause the application of force inhomogeneous, the progradation utmost point is not steady, have a strong impact on the Forming Quality of anastomosis staple, and then the impact tissue is identical and cut quality, is unfavorable for that patient's wound recovers.
Summary of the invention
1. the utility model technical problem that will solve
The purpose of this utility model is to overcome the inhomogeneous and jiggly deficiency of progradation of Endo-GIA propulsive mechanism of the prior art application of force in progradation, a kind of Endo-GIA with screw propulsion mechanism is provided, adopt the technical solution of the utility model, can be safe, effective, gentle finish cutting and stitching work, easy operating.
2. technical scheme
For achieving the above object, the technical scheme that this utility model provides is:
A kind of Endo-GIA with screw propulsion mechanism of the present utility model comprises cavity, nail bin, anastomosis staple, nail bin support, nail supporting base support and cutter, and wherein, described nail bin and nail bin support are connected; Described nail bin support top is provided with the nail supporting base support, also comprises pushing slice of nail, movable block, screw mandrel, handwheel and nail pushing plate, and described nail pushing plate, movable block, screw mandrel and handwheel form rotary propelling mechanism; Described handwheel and screw mandrel are connected; Described screw mandrel is connected by screw thread with movable block; Described cutter and nail pushing plate all are fixed on the movable block; Described nail pushing plate front end is ramp structure; Be arranged with two or more pushing slice of nail in parallel in the described nail bin support.
Further, be provided with the female thread that matches with the screw mandrel external screw thread in the described movable block.
Further, described screw mandrel head is provided with spacer pin.
Further, described screw mandrel is single head screw mandrel or bull screw mandrel, and the thread form of screw thread is rectangle or trapezoidal on the described screw mandrel, and the diameter of this screw mandrel is 4mm.
Further, described handwheel is that diameter is that cylinder or the cross section of 32 ~ 40mm is polygonal column structure.
Further, described handwheel overcoat has Anti-slip cover.
Further, described screw mandrel is replaced with worm screw, movable block replaces with worm gear.
3. beneficial effect
The technical scheme that adopts this utility model to provide is compared with existing known technology, has following beneficial effect:
(1) a kind of Endo-GIA with screw propulsion mechanism of the present utility model forms rotary propelling mechanism by nail pushing plate, movable block, screw mandrel and handwheel; In progradation, only need to use the less power just can the turn handwheel, realize the gentle propelling of nail pushing plate and cutter, not only greatly reduce medical worker's labor intensity, and thoroughly avoided the medical worker in progradation, scratch the probability of hands because occurring skidding, improved the Forming Quality of anastomosis staple, and tissue apposition and cut quality.
(2) a kind of Endo-GIA with screw propulsion mechanism of the present utility model, head at screw mandrel is provided with spacer pin, when nail pushing plate and cutter are pushed into front end, movable block is because being subject to the restriction of spacer pin, can't push ahead again, effectively prevent the generation of the situation of cutting, thereby reduce the risk of operation, improved the operation quality, so that operation is safer, reliable.
(3) a kind of Endo-GIA with screw propulsion mechanism of the present utility model, its handwheel overcoat has Anti-slip cover, can increase friction, easily holds with a firm grip during operation, is not easy to skid, and makes things convenient for medical worker's use.
Description of drawings
Fig. 1 is a kind of structural representation with Endo-GIA of screw propulsion mechanism of the present utility model;
Fig. 2 is a kind of fundamental diagram with Endo-GIA of screw propulsion mechanism of the present utility model.
Label declaration in the schematic diagram:
1, nail bin; 2, anastomosis staple; 3, pushing slice of nail; 4, nail bin support; 5, nail supporting base support; 6, movable block; 7, screw mandrel; 8, hands wheel; 9, cutter; 10, nail pushing plate.
The specific embodiment
For further understanding content of the present utility model, by reference to the accompanying drawings this utility model is described in detail.
In conjunction with Fig. 1 and Fig. 2, a kind of Endo-GIA with screw propulsion mechanism of the present utility model, comprise cavity, nail bin 1, anastomosis staple 2, nail bin support 4, nail supporting base support 5 and cutter 9, also comprise pushing slice of nail 3, movable block 6, screw mandrel 7, handwheel 8 and nail pushing plate 10, wherein, nail bin 1 is connected with nail bin support 4; Nail bin support 4 tops are provided with nail supporting base support 5.Nail pushing plate 10, movable block 6, screw mandrel 7 and handwheel 8 form rotary propelling mechanism; Handwheel 8 is that cylinder or the cross section of 32 ~ 40mm is polygonal column structure for diameter.Handwheel 8 and screw mandrel 7 are connected; Screw mandrel 7 and movable block 6 are connected by screw thread; This screw mandrel 7 is single head screw mandrel or bull screw mandrel, and the thread form of screw thread is rectangle or trapezoidal on this screw mandrel 7, and cutter 9 and nail pushing plate 10 all are fixed on the movable block 6; These nail pushing plate 10 front ends are ramp structure; Be arranged with two or more pushing slice of nail 3 in the nail bin support 4 in parallel.
The utility model will be further described below in conjunction with embodiment.
Embodiment 1
As depicted in figs. 1 and 2, a kind of Endo-GIA with screw propulsion mechanism of the present embodiment, comprise cavity, nail bin 1, anastomosis staple 2, nail bin support 4, nail supporting base support 5 and cutter 9, also comprise pushing slice of nail 3, movable block 6, screw mandrel 7, handwheel 8 and nail pushing plate 10, nail bin 1 is connected with nail bin support 4; Nail bin support 4 tops are provided with nail supporting base support 5.Nail pushing plate 10, movable block 6, screw mandrel 7 and handwheel 8 form rotary propelling mechanism; Handwheel 8 and screw mandrel 7 are connected; Handwheel 8 is cylindrical structure, diameter be 32 ~ 40mm can, the present embodiment preferably diameter is the cylinder of 32mm, handwheel 8 overcoats have Anti-slip cover.Be provided with the female thread that matches with screw mandrel 7 external screw threads in the movable block 6, screw mandrel 7 and movable block 6 are connected by screw thread; Screw mandrel 7 in the present embodiment is that diameter is the single head screw mandrel of 4mm, and the form of thread is rectangle, and screw mandrel 7 heads are provided with spacer pin.Cutter 9 and nail pushing plate 10 all are fixed on the movable block 6; Nail pushing plate 10 front ends are ramp structure; Be arranged with two or more pushing slice of nail 3 in the nail bin support 4 in parallel, the number of pushing slice of nail 3 of the present utility model should be decided according to length and the actual operating position of nail bin support 4.
During use, rotation hand wheel 8, handwheel 8 drives the rotation of screw mandrel 7 simultaneously, so that movable block 6 moves along the axial direction of screw mandrel 7, and then promotes nail pushing plate 10, nail pushing plate 10 is upwards released pushing slice of nail 3, lift on the anastomosis staple 2, anastomosis staple 2 because running into nail supporting base support 5 bending of being obstructed, is finished the stitching of anastomosis staple 2 in the process of lifting.This utility model is by changing the drive mechanism of Endo-GIA, and the transmission that makes whole process is that the rotation by handwheel 8 realizes, has advantages of good, the easy to control and smooth operation of sewing effect.
Embodiment 2
With embodiment 1, difference is: handwheel 8 is that cross section is hexagonal column structure, and screw mandrel 7 is that diameter is the bull screw mandrel of 4mm, and the form of thread is trapezoidal, and using method is with embodiment 1.
Embodiment 3
With embodiment 1, difference is: handwheel 8 is that cross section is decagonal column structure, and screw mandrel 7 is replaced with worm screw, movable block 6 replaces with worm gear, in like manner, and the rotation that rotarily drives worm screw of handwheel 8, and then drive the movement of worm gear, simultaneously, nail pushing plate 10 moves along with the movement of worm gear.
Below schematically this utility model and embodiment thereof are described, this description does not have restricted, and shown in the accompanying drawing also is one of embodiment of the present utility model, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, create aim in the situation that do not break away from this utility model, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (7)
1. the Endo-GIA with screw propulsion mechanism comprises cavity, nail bin (1), anastomosis staple (2), nail bin support (4), nail supporting base support (5) and cutter (9), and wherein, described nail bin (1) is connected with nail bin support (4); Described nail bin support (4) top is provided with nail supporting base support (5), it is characterized in that: also comprise pushing slice of nail (3), movable block (6), screw mandrel (7), handwheel (8) and nail pushing plate (10), described nail pushing plate (10), movable block (6), screw mandrel (7) and handwheel (8) form rotary propelling mechanism; Described handwheel (8) and screw mandrel (7) are connected; Described screw mandrel (7) is connected by screw thread with movable block (6); Described cutter (9) and nail pushing plate (10) all are fixed on the movable block (6); Described nail pushing plate (10) front end is ramp structure; Be arranged with two or more pushing slice of nail (3) in the described nail bin support (4) in parallel.
2. a kind of Endo-GIA with screw propulsion mechanism according to claim 1 is characterized in that: be provided with the female thread that matches with screw mandrel (7) external screw thread in the described movable block (6).
3. a kind of Endo-GIA with screw propulsion mechanism according to claim 2, it is characterized in that: described screw mandrel (7) head is provided with spacer pin.
4. according to claim 2 or 3 described a kind of Endo-GIAs with screw propulsion mechanism, it is characterized in that: described screw mandrel (7) is single head screw mandrel or bull screw mandrel, the thread form of the upper screw thread of described screw mandrel (7) is rectangle or trapezoidal, and the diameter of this screw mandrel (7) is 4mm.
5. a kind of Endo-GIA with screw propulsion mechanism according to claim 4 is characterized in that: described handwheel (8) is that cylinder or the cross section of 32 ~ 40mm is polygonal column structure for diameter.
6. a kind of Endo-GIA with screw propulsion mechanism according to claim 5, it is characterized in that: described handwheel (8) overcoat has Anti-slip cover.
7. a kind of Endo-GIA with screw propulsion mechanism according to claim 1, it is characterized in that: described screw mandrel (7) is replaced with worm screw, and movable block (6) replaces with worm gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320157019 CN203234775U (en) | 2013-04-01 | 2013-04-01 | Cutting anastomat with spiral propelling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320157019 CN203234775U (en) | 2013-04-01 | 2013-04-01 | Cutting anastomat with spiral propelling mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN203234775U true CN203234775U (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320157019 Expired - Fee Related CN203234775U (en) | 2013-04-01 | 2013-04-01 | Cutting anastomat with spiral propelling mechanism |
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| CN (1) | CN203234775U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108670341A (en) * | 2018-05-11 | 2018-10-19 | 张博 | Pipy digestive tract stapler with empennage |
| CN112690851A (en) * | 2020-12-28 | 2021-04-23 | 苏州法兰克曼医疗器械有限公司 | Anastomat with rotating structure for intracavity cutting |
-
2013
- 2013-04-01 CN CN 201320157019 patent/CN203234775U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108670341A (en) * | 2018-05-11 | 2018-10-19 | 张博 | Pipy digestive tract stapler with empennage |
| CN112690851A (en) * | 2020-12-28 | 2021-04-23 | 苏州法兰克曼医疗器械有限公司 | Anastomat with rotating structure for intracavity cutting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20160401 |
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| CF01 | Termination of patent right due to non-payment of annual fee |