CN204016400U - Titanium for grasping tissue presss from both sides - Google Patents
Titanium for grasping tissue presss from both sides Download PDFInfo
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- CN204016400U CN204016400U CN201420459330.2U CN201420459330U CN204016400U CN 204016400 U CN204016400 U CN 204016400U CN 201420459330 U CN201420459330 U CN 201420459330U CN 204016400 U CN204016400 U CN 204016400U
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- drive arm
- stainless steel
- plastic drive
- pulling shaft
- titanium
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Abstract
The utility model discloses a kind of titanium for grasping tissue to press from both sides, be made up of clamping device and releasing device, clamping device comprises stainless steel sleeve, clamping limb, plastic drive arm and linkage, clamping limb is connected by the front end of linkage with plastic drive arm, releasing device comprises resilient sleeve and pulling shaft, the front end of resilient sleeve is symmetrically arranged with two the second back-offs, stainless steel sleeve is provided with the backstage terrace matched with the second back-off, what pulling shaft can move forward and backward is located in resilient sleeve, the front portion of pulling shaft is provided with the gland can oppressing the second back-off, and be provided with union joint in the front end of pulling shaft, this union joint can stretch in the resigning hole of plastic drive arm rear end through guide openings.This utility model can not only make titanium press from both sides permanently effective always closing on the one hand; Can also depart from according to physical location accurately; Improve clamp precision on the other hand; Good reliability; Convenient operation; Structure is simple, reduces manufacturing cost.
Description
Technical field
This utility model belongs to medical device product, and specifically, particularly a kind of biological tissue ligation titanium presss from both sides.
Background technology
Be clipped in clinical medicine play an important role for pressing from both sides histozoic titanium.But titanium folder is in use merely able to close once, just can not carry out reorientating clamping, having significant limitation once not clip to accurate location.Chinese patent ZL 201220160369.5 discloses a kind of titanium folder on March 13rd, 2013, this titanium folder is by the improvement to four-bar linkage structure, thus achieve titanium folder can repeatedly open closed, also can re-start location even without clipping to accurate location, but there is following problem:
1) titanium cannot be made to press from both sides long-term or effectively close always;
2) cannot depart from according to physical location accurately;
3) precision clamped is low; Poor reliability; Be awkward;
4) complex structure cost of manufacture is higher.
Therefore those skilled in the art are devoted to exploitation one after clamping position, always closed titanium folder that can be permanently effective.
Utility model content
Because the above-mentioned defect of prior art, technical problem to be solved in the utility model is to provide a kind of can folder by permanently effective always closed titanium.
For achieving the above object, this utility model provides a kind of titanium for grasping tissue and presss from both sides, be made up of clamping device and releasing device, clamping device comprises stainless steel sleeve, clamping limb, plastic drive arm and linkage, clamping limb is connected by the front end of linkage with plastic drive arm, the rear end of plastic drive arm is arranged in stainless steel sleeve, and plastic drive arm is provided with the first back-off, and stainless steel sleeve front inner wall is provided with the catching groove matched with the first back-off; Be provided with resigning hole in the rear end of plastic drive arm, and offer guide openings forward on the rear end face of plastic drive arm, this guide openings communicates with resigning hole;
Releasing device comprises resilient sleeve and pulling shaft, the front end of resilient sleeve is symmetrically arranged with two the second back-offs, stainless steel sleeve is provided with the backstage terrace matched with the second back-off, what pulling shaft can move forward and backward is located in resilient sleeve, the front portion of pulling shaft is provided with the gland can oppressing the second back-off, and being provided with union joint in the front end of pulling shaft, this union joint can stretch in the resigning hole of plastic drive arm rear end through guide openings.
Adopt above technical scheme, first is alignd with the rear end of stainless steel sleeve in the front end of releasing device, again releasing device is slowly promoted in stainless steel sleeve subsequently, when the second back-off moves to stainless steel sleeve rear end, releasing device is continued to promote in stainless steel sleeve, the rear end inwall of stainless steel sleeve is made to oppress the second back-off distortion, stainless steel sleeve is entered into after causing the second back-off to draw distortion in, continuing to promote releasing device makes the rear end of the second back-off exceed backstage terrace in stainless steel sleeve, thus the outer wall of the second back-off is just no longer subject to the compressing of stainless steel sleeve rear end inwall, just abut against with the backstage terrace in stainless steel sleeve after second back-off resilience, thus carry out spacing to resilient sleeve.Meanwhile, union joint slowly enters into the resigning hole of plastic drive arm rear end along with the promotion of pulling shaft by guide openings.
Now, on the one hand resilient sleeve to be coordinated with backstage terrace by the second back-off and is connected; On the other hand, union joint is connected with plastic drive arm after entering into resigning hole; Such clamping device and releasing device link together, and now clamping limb is in closure state.Subsequently titanium is pinched in endoscopic forceps channel and enter human body.
Then continue driven forward pulling shaft, make union joint promote plastic drive arm, linkage opens clamping limb with plastic drive arm is proal simultaneously.Arm to be held be registered to need clamping tissue on after, slowly pull back pulling shaft, make clamping limb start to close, while clamping limb is closed, clamps tissue.
After arm to be held clamps tissue, continue to pull back pulling shaft, outer wall due to now plastic drive arm is subject to the extruding of steel bushing inwall, thus limit opening of plastic drive arm rear end guide openings, therefore when pulling pulling shaft, union joint can not come off from resigning hole, pulling shaft is pulled to make transmission arm slowly start distortion, elongated, now the first back-off moves backward along with the distortion of plastic drive arm, until when moving to the catching groove position of stainless steel sleeve front inner wall, the outer wall of the first back-off is no longer subject to the extruding restriction of stainless steel sleeve inwall, now snap together with catching groove after the first back-off resilience.
Meanwhile, the guide openings of plastic drive arm rear end is no longer subject to the compressing of stainless steel sleeve inwall, pull pulling shaft, union joint just departs from by guide openings and resigning hole, continue to pull back pulling shaft, gland is moved backward extruding gathering is carried out, until the second back-off is badly deformed enter into gland to the second back-off, now pull pulling shaft that releasing device just can be made to spin off completely from steel bushing again, to complete, releasing device and clamping device are departed from completely.
As preferably, clamping limb adopts titanium alloy to make, and linkage adopts stainless steel.
Be buckled on catching groove for the ease of the first back-off, the middle part of plastic drive arm has necking segment.
As preferably, described union joint is draw ring.
The beneficial effects of the utility model are:
1) titanium can be made to press from both sides permanently effective always closing;
2) can depart from according to physical location accurately;
3) improve clamp precision; Good reliability; Convenient operation;
4) structure is simple, reduces manufacturing cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model one detailed description of the invention;
Fig. 2 is that clamping device is connected by union joint and resigning hole with releasing device;
Fig. 3 is that clamping limb opens schematic diagram;
Fig. 4 is that clamping limb is clamped and organized schematic diagram;
Fig. 5 is that union joint and resigning hole depart from schematic diagram;
Fig. 6 is that clamping device and releasing device depart from schematic diagram completely.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in figs 1 to 6, this utility model is made up of clamping device 1 and releasing device 2 two large divisions, and clamping device 1 comprises stainless steel sleeve 3, clamping limb 4, plastic drive arm 5 and linkage 12.Linkage 12 in this utility model is the quadric chains adopting medical stainless steel to make, and this quadric chain is prior art, and its structure and working principle does not repeat at this.
Clamping limb 4 is connected with the front end of plastic drive arm 5 by linkage 12, and clamping limb 4 adopts titanium alloy material to make, and the medical plastic that plastic drive arm 5 adopts toughness higher is made, and the middle part of plastic drive arm has necking segment 5a.The rear end of plastic drive arm 5 is arranged in stainless steel sleeve 3, and plastic drive arm 5 is formed with the first back-off 8, and stainless steel sleeve 3 front inner wall is provided with the catching groove matched with the first back-off 8.Be provided with resigning hole 7 in the rear end of plastic drive arm 5, and offer guide openings 13 forward on the rear end face of plastic drive arm 5, this guide openings 13 communicates with resigning hole 7.
Releasing device 2 comprises resilient sleeve 9 and pulling shaft 10, and the front end of resilient sleeve 9 is symmetrically arranged with two the second back-off 9a, and the inwall at stainless steel sleeve 3 rear portion is provided with the backstage terrace 6 matched with the second back-off 9a.The inwall of stainless steel sleeve 3 middle front part is also provided with foreground terrace 6 ', and the space in stainless steel sleeve between foreground terrace 6 ' and backstage terrace 6 forms chamber 50 of stepping down, and this diameter of stepping down chamber 50 is greater than the diameter of stainless steel sleeve endoporus remainder.What pulling shaft 10 can move forward and backward is located in resilient sleeve 9, the front portion of pulling shaft 10 is formed with the gland 10a that can oppress the second back-off 9a, and the union joint 11 of ring tab shape is provided with in the front end of pulling shaft 10, this union joint 11 can stretch in the resigning hole 7 of plastic drive arm 5 rear end through guide openings 13.
Operation principle of the present utility model is as follows:
First is alignd in the rear end of the front end of releasing device 2 with stainless steel sleeve 3, again releasing device 2 is slowly promoted in stainless steel sleeve 3 subsequently, when the second back-off 9a moves to stainless steel sleeve 3 rear end, releasing device 2 is continued to promote in stainless steel sleeve 3, make the rear end inwall of stainless steel sleeve 3 oppress the second back-off 9a to be out of shape, stainless steel sleeve 3 is entered into after causing the second back-off 9a to draw distortion in, continuing to promote releasing device 2 makes the second back-off 9a enter in the middle of chamber 50 of stepping down, now the rear end of the second back-off 9a exceedes the backstage terrace 6 in stainless steel sleeve 3, diameter due to chamber 50 of stepping down is greater than the diameter of stainless steel sleeve 3 rear end endoporus, thus the outer wall of the second back-off 9a is just no longer subject to the compressing of stainless steel sleeve 3 rear end inwall, second back-off 9a just abuts against with the backstage terrace 6 in stainless steel sleeve 3 after entering into chamber 50 resilience of stepping down, thus carry out spacing to resilient sleeve 9.Meanwhile, union joint 11 slowly enters into the resigning hole 7 of plastic drive arm 5 rear end along with the promotion of pulling shaft 10 by guide openings 13.
Now, on the one hand resilient sleeve 9 to be coordinated with backstage terrace 6 by the second back-off 9a and is connected; Union joint 11 is connected with plastic drive arm 5 after entering into resigning hole 7 on the other hand; Such clamping device 1 links together with releasing device 2, and now clamping limb is in closure state.Subsequently titanium is pinched in endoscopic forceps channel and enter human body.
Then continue driven forward pulling shaft 10, make union joint 11 promote plastic drive arm 5, linkage 12 opens clamping limb 4 with plastic drive arm is proal simultaneously.Arm 4 to be held be registered to need clamping tissue on after, slowly pull back pulling shaft 10, make clamping limb 4 start to close, while clamping limb 4 is closed, clamps tissue.
After arm 4 to be held clamps tissue, continue to pull back pulling shaft 10, because the outer wall now passing plastics swing arm 5 is subject to the extruding of stainless steel sleeve 3 inwall, thus limit opening of plastic drive arm 5, therefore when pulling pulling shaft 10, union joint 11 can not come off from resigning hole 7, pulling shaft 10 is pulled to make the necking segment 5a of plastic drive arm 5 slowly start distortion, elongated, now the first back-off 8 moves backward along with the distortion of plastic drive arm 5, until when moving to the catching groove position of stainless steel sleeve 3 front inner wall, the outer wall of the first back-off 8 is no longer subject to the extruding restriction of stainless steel sleeve 3 inwall, now snap together with catching groove after the first back-off 8 resilience.
Meanwhile, the rear end of plastic drive arm 5 moves in the middle of the chamber 50 of stepping down in the middle part of stainless steel sleeve 3, thus plastic drive arm 5 rear end outer wall is not in the compressing being subject to stainless steel sleeve 3 inwall, pull pulling shaft 10, union joint 11 just departs from by guide openings 13 and resigning hole 7, continue to pull back pulling shaft 10 and cause that gland 10a is mobile backward carries out extruding gathering to the second back-off 9a, continue to pull pulling shaft 10 until the second back-off 9a is badly deformed enter into gland 10a, now pulling pulling shaft 10 that releasing device 2 just can be made to spin off completely from stainless steel sleeve 3, to complete, releasing device 2 and clamping device 1 are departed from completely.
This utility model also can realize titanium and press from both sides repeatedly opening and closing, is convenient to re-start positioning clamping.Concrete operations are as follows:
As clamping limb 4 be not clamped to the tram of tissue time, just can driven forward pulling shaft 10, positioning clamping is re-started after clamping limb 4 is opened, when re-starting clamping need carry out it is to be noted that, after aiming at grasping tissue, can not too exert oneself when pulling back pulling shaft 10, in order to avoid the first back-off 8 and the catching groove of stainless steel sleeve 3 front inner wall can not carry out reorientating clamping after snapping together.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technical staff in the art according to design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.
Claims (4)
1. the titanium for grasping tissue presss from both sides, be made up of clamping device (1) and releasing device (2), described clamping device (1) comprises stainless steel sleeve (3), clamping limb (4), plastic drive arm (5) and linkage (12), described clamping limb (4) is connected by the front end of linkage (12) with plastic drive arm (5), the rear end of plastic drive arm (5) is arranged in stainless steel sleeve (3), it is characterized in that: on described plastic drive arm (5), be provided with the first back-off (8), described stainless steel sleeve (3) front inner wall is provided with the catching groove matched with described first back-off (8), resigning hole (7) is provided with in the rear end of described plastic drive arm (5), and guide openings (13) is offered forward on the rear end face of plastic drive arm (5), this guide openings (13) communicates with described resigning hole (7),
Described releasing device (2) comprises resilient sleeve (9) and pulling shaft (10), the front end of described resilient sleeve (9) is symmetrically arranged with two the second back-offs (9a), described stainless steel sleeve (3) is provided with the backstage terrace (6) matched with the second back-off (9a), what described pulling shaft (10) can move forward and backward is located in described resilient sleeve (9), the front portion of described pulling shaft (10) is provided with the gland (10a) can oppressing the second back-off (9a), and be provided with union joint (11) in the front end of pulling shaft (10), this union joint (11) can pass guide openings (13) and stretch in the resigning hole (7) of plastic drive arm (5) rear end.
2. press from both sides for the titanium of grasping tissue as claimed in claim 1, it is characterized in that: described clamping limb (4) adopts titanium alloy to make, and linkage (12) adopts stainless steel.
3. press from both sides for the titanium of grasping tissue as claimed in claim 1 or 2, it is characterized in that: the middle part of described plastic drive arm (5) has necking segment 5a.
4. press from both sides for the titanium of grasping tissue as claimed in claim 1 or 2, it is characterized in that: described union joint (11) is draw ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420459330.2U CN204016400U (en) | 2014-08-14 | 2014-08-14 | Titanium for grasping tissue presss from both sides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420459330.2U CN204016400U (en) | 2014-08-14 | 2014-08-14 | Titanium for grasping tissue presss from both sides |
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| Publication Number | Publication Date |
|---|---|
| CN204016400U true CN204016400U (en) | 2014-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420459330.2U Active CN204016400U (en) | 2014-08-14 | 2014-08-14 | Titanium for grasping tissue presss from both sides |
Country Status (1)
| Country | Link |
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| CN (1) | CN204016400U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106236182A (en) * | 2016-08-15 | 2016-12-21 | 金梦 | A kind of hemostatic clamp clamping device |
| CN113796913A (en) * | 2020-06-12 | 2021-12-17 | 南微医学科技股份有限公司 | Clamp with high holding power and small releasing force |
-
2014
- 2014-08-14 CN CN201420459330.2U patent/CN204016400U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106236182A (en) * | 2016-08-15 | 2016-12-21 | 金梦 | A kind of hemostatic clamp clamping device |
| CN113796913A (en) * | 2020-06-12 | 2021-12-17 | 南微医学科技股份有限公司 | Clamp with high holding power and small releasing force |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Titanium clamp for clamping tissue Effective date of registration: 20160421 Granted publication date: 20141217 Pledgee: Chongqing Three Gorges bank Limited by Share Ltd Jiangbei Branch Pledgor: Chongqing Jinshan Science and Technology Inc. Registration number: 2016500000005 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20171106 Granted publication date: 20141217 Pledgee: Chongqing Three Gorges bank Limited by Share Ltd Jiangbei Branch Pledgor: Chongqing Jinshan Science and Technology Inc. Registration number: 2016500000005 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Titanium clip for holding tissue Effective date of registration: 20210615 Granted publication date: 20141217 Pledgee: Changshou sub branch of Bank of Chongqing Co.,Ltd. Pledgor: Chongqing Jinshan Scinece & Technology (Group) Co.,Ltd. Registration number: Y2021500000022 |