CN204016392U - A kind of titanium folder - Google Patents
A kind of titanium folder Download PDFInfo
- Publication number
- CN204016392U CN204016392U CN201420460554.5U CN201420460554U CN204016392U CN 204016392 U CN204016392 U CN 204016392U CN 201420460554 U CN201420460554 U CN 201420460554U CN 204016392 U CN204016392 U CN 204016392U
- Authority
- CN
- China
- Prior art keywords
- drive axle
- steel bushing
- plastic drive
- positioning sleeve
- plastics positioning
- 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.)
- Active
Links
Landscapes
- Clamps And Clips (AREA)
Abstract
The utility model discloses a kind of titanium folder, comprise clamping device and releasing device, clamping device comprises clamping limb, little steel bushing, plastic drive axle and plastics positioning sleeve; The front end of plastics positioning sleeve is docked fixing with the rear end of little steel bushing, the middle part of plastics positioning sleeve is outwardly, forms back-off, and in plastics positioning sleeve, the position of corresponding back-off forms empty avoiding chamber; Plastic drive axle is worn in plastics positioning sleeve, the front end mounting clamp gripping arm of plastic drive axle, the inwall of large steel bushing front end is provided with the limit chamber adapted with back-off shape size, pulling shaft can be located in large steel bushing movably forward and backward, the front end of pulling shaft is provided with draw ring, and this draw ring is connected with plastic drive axle by drawing a hole.This utility model effectively solves clamping device and the not segregative problem of releasing device on the one hand; Reduce manufacturing cost on the other hand; Easy absent-mindedness problem after preventing clamping limb to clamp tissue more on the one hand.
Description
Technical field
This utility model belongs to medical device product, specifically, is related specifically to a kind of biological tissue ligation fixture.
Background technology
In medical operating, be silver brain clip for what press from both sides that histozoic fixture brings into use most, current silver brain clip is just progressively pressed from both sides by titanium and replaces.Titanium folder is made up of clamping device and releasing device two large divisions, and in operation process, clamping device is separated with releasing device after clamping tissue, but there is following problem:
1) clamping device and releasing device are not easily separated;
2) complex structure cost of manufacture is higher;
3) clamping limb is easily relaxed after clamping tissue.
Therefore those skilled in the art are devoted to develop a kind of clamping device and the segregative titanium of releasing device presss from both sides.
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 clamping device and the segregative titanium of releasing device presss from both sides.
For achieving the above object, this utility model provides a kind of titanium folder, and comprise clamping device and releasing device, clamping device comprises clamping limb, little steel bushing, plastic drive axle and plastics positioning sleeve;
The front end of plastics positioning sleeve is docked fixing with the rear end of little steel bushing, the middle part of plastics positioning sleeve is outwardly, forms back-off, and in plastics positioning sleeve, the position of corresponding back-off forms empty avoiding chamber;
Plastic drive axle is worn in plastics positioning sleeve, the front end mounting clamp gripping arm of plastic drive axle, the middle part of plastic drive axle is provided with necking segment, and the rear end of plastic drive axle offers draws a hole, and guide openings is offered forward on the rear end face of plastic drive axle, guide openings is communicated with drawing a hole;
Releasing device comprises pulling shaft and large steel bushing, and the inwall of large steel bushing front end is provided with the limit chamber adapted with back-off shape size, and pulling shaft can be located in large steel bushing movably forward and backward, and the front end of pulling shaft is provided with draw ring, and this draw ring is connected with plastic drive axle by drawing a hole.
Adopt above technical scheme, staff is by pulling shaft driven forward, make the draw ring being arranged on pulling shaft front end stretch out the inner chamber of large steel bushing, now draw ring just enters drawing in a hole of plastic drive shaft rear end by guide openings, thus clamping device and releasing device are linked together.
Press back-off subsequently clamping device to be moved to the cavity in large steel bushing simultaneously, back-off is made to enter into limit chamber, the now inwall matched in clearance of plastic drive shaft rear end outer wall and large steel bushing, thus limit opening of guide openings, therefore when being pulled back by pulling shaft, draw ring can not come off from drawing a hole, continue to pull back pulling shaft, when clamping limb moves to the port position of little steel bushing front end, due to the restriction of little steel bushing front-end port, thus clamping limb is closed.
After arm to be held is closed, utilizes this state to pinch in endoscopic forceps channel by titanium, subsequently driven forward pulling shaft, clamping limb is opened, after the clamping limb after to be opened moves to tissue, pull back pulling shaft, now clamping limb clamps tissue while closed.
After arm to be held clamps tissue, pulling shaft is continued to pull back, until clamping limb is drawn in the endoporus of positioning sleeve, then slowly rotate pulling shaft, to make in the middle part of pulling shaft necking segment fracture, thus realize clamping device and releasing device rotates dialysis.
In order to avoid little steel bushing generation friction damage, the little steel bushing in this utility model adopts stainless steel to make.
Be clipped in make titanium after clamping tissue and not easily automatically relax, the outer wall of clamping limb is formed with agnail.
For the ease of spline, the cross section of plastics positioning sleeve outer wall is oval, and the cross section of inwall is also oval.
For the ease of spline, the cross section of large steel bushing outer wall is circular, and the cross section of inwall is oval.
For the ease of spline, the outline of plastic drive axle leading portion is oval, and in order to better reach breaking effect, in the middle part of plastic drive axle, the cross section of necking segment reduces from front to back gradually, and the outline of plastic drive axle back segment is circular.
The beneficial effects of the utility model are:
1) clamping device and the not segregative problem of releasing device is effectively solved;
2) manufacturing cost is reduced;
3) problem easily relaxed after preventing clamping limb to clamp tissue.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the schematic diagram that clamping device is connected by draw ring and pulling eye with releasing device;
Fig. 4 is the schematic diagram that clamping device enters large steel bushing inner chamber;
Fig. 5 is the structural representation pinched by titanium in human body;
Fig. 6 is the structural representation that clamping limb is opened;
Fig. 7 is the schematic diagram after trapping human organizes;
Fig. 8 is that clamping device and releasing device rupture schematic diagram.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As Figure 1-Figure 8, a kind of titanium folder, comprises clamping device 20 and releasing device 30 liang of major parts.Wherein, clamping device 20 comprises clamping limb 1, little steel bushing 2, plastic drive axle 5 and the plastics positioning sleeve 8 with agnail 14.The cross section of plastics positioning sleeve 8 outer wall is oval, and the cross section of inwall is also oval.The front end of plastics positioning sleeve 8 is docked fixing with the rear end of little steel bushing 2, the middle part of plastics positioning sleeve 8 is outwardly, forms two symmetrical back-off 8a, the position formation empty avoiding chamber 8b of corresponding back-off 8a in plastics positioning sleeve 8.In plastics positioning sleeve 8, wear plastic drive axle 5, the outline of plastic drive axle 5 leading portion is oval, and have necking segment 5a in the middle part of plastic drive axle 5, the cross section of necking segment 5a reduces from front to back gradually, and the outline of plastic drive axle 5 back segment is circular.In the front end mounting clamp gripping arm 1 of plastic drive axle 5, the rear end of plastic drive axle 5 offers draws a hole 5b, and offers guide openings 5c forward on the rear end face of plastic drive axle 5, and guide openings 5c is communicated with drawing a hole 5b.
Releasing device 30 comprises pulling shaft 10 and large steel bushing 12, and the cross section of this large steel bushing 12 outer wall is circular, and the cross section of inwall is oval.Be provided with the limit chamber 12a adapted with back-off 8a shape size at the inwall of large steel bushing 12 front end, pulling shaft 10 can be located in large steel bushing 12 movably forward and backward, and the front end of pulling shaft 10 is provided with draw ring 9, and this draw ring 9 can be connected with plastic drive axle 5 by drawing a hole 5b.
Operation principle of the present utility model is as follows:
As shown in Figure 3, first by pulling shaft 10 driven forward, until the draw ring 9 being arranged on pulling shaft 10 front end stretches out the inner chamber of large steel bushing 12, now draw ring 9 just enters drawing in a hole 5b of plastic drive axle 5 rear end by guide openings 5c, thus clamping device 20 and releasing device 30 are linked together.
Subsequently clamping device 20 is promoted to the cavity in large steel bushing 12, and press two back-off 8a simultaneously, back-off 8a is made to enter into limit chamber 12a from the front-end port of large steel bushing 12, the now inwall matched in clearance of plastic drive axle 5 back segment outer wall and large steel bushing 12, thus limit opening of guide openings 5c, therefore when pulling shaft 10 is pulled back, draw ring 9 can not come off from drawing a hole 5b, when clamping limb 1 moves to the port position of little steel bushing 2 front end, continue to pull pulling shaft 10, plastic drive axle 5 is made to continue to move backward, due to the restriction of the port of little steel bushing 2 front end, thus clamping limb 1 is closed, as shown in Figure 4.
After arm 1 to be held is closed, this state is utilized to pinch in endoscopic forceps channel by titanium, driven forward pulling shaft 10 subsequently, makes clamping limb 1 open, then moves in tissue by clamping limb 1, now pull pulling shaft 10 again, when clamping limb 1 moves to the port position of little steel bushing 2 front end, due to the restriction of little steel bushing 2 front-end port, clamping limb 1 slowly closes, start to clamp tissue, as seen in figs. 5-6 simultaneously.
After arm 1 to be held clamps tissue, pulling shaft 10 is continued to pull back, until the agnail 14 on clamping limb 1 is drawn in the endoporus of plastics positioning sleeve 8, after now utilizing the interior ellipse of large steel bushing 12 that plastics positioning sleeve 8 and plastic drive axle 5 are located spline, slowly rotate pulling shaft 10, make the minimum place fracture of plastic drive axle 5 necking segment 5a cross section, thus reach the effect rotating dialysis clamping device 20 and releasing device 30.As shown in Figure 8.
Be drawn into the endoporus of positioning sleeve 8 at clamping limb 1 after, the agnail 14 of clamping limb 1 utilizes the inwall of positioning sleeve 8 by clamping for its titanium fixed, not easily automatically relaxes after titanium being clipped in clamp tissue.
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 (6)
1. a titanium folder, comprise clamping device (20) and releasing device (30), it is characterized in that: described clamping device (20) comprises clamping limb (1), little steel bushing (2), plastic drive axle (5) and plastics positioning sleeve (8);
The front end of described plastics positioning sleeve (8) is docked fixing with the rear end of little steel bushing (2), the middle part of plastics positioning sleeve (8) is outwardly, form back-off (8a), in plastics positioning sleeve (8), the position of corresponding back-off (8a) forms empty avoiding chamber (8b);
Plastic drive axle (5) is worn in described plastics positioning sleeve (8), front end mounting clamp gripping arm (1) of plastic drive axle (5), the middle part of plastic drive axle (5) is provided with necking segment (5a), the rear end of plastic drive axle (5) offers draws a hole (5b), and guide openings (5c) is offered forward on the rear end face of plastic drive axle (5), guide openings (5c) is communicated with drawing a hole (5b);
Described releasing device (30) comprises pulling shaft (10) and large steel bushing (12), the inwall of described large steel bushing (12) front end is provided with the limit chamber (12a) adapted with described back-off (8a) shape size, described pulling shaft (10) can be located in described large steel bushing (12) movably forward and backward, the front end of pulling shaft (10) is provided with draw ring (9), and this draw ring (9) is connected with plastic drive axle (5) by drawing a hole (5b).
2. titanium folder as claimed in claim 1, is characterized in that: described little steel bushing (2) adopts stainless steel to make.
3. titanium folder as claimed in claim 1 or 2, is characterized in that: the outer wall of described clamping limb (1) is formed with agnail (14).
4. titanium folder as claimed in claim 1, is characterized in that: the cross section of described plastics positioning sleeve (8) outer wall is for oval, and the cross section of inwall is also oval.
5. the titanium folder as described in claim 1 or 4, is characterized in that: the cross section of described large steel bushing (12) outer wall is for circular, and the cross section of inwall is oval.
6. titanium folder as claimed in claim 1, it is characterized in that: the outline of described plastic drive axle (5) leading portion is for oval, the cross section of plastic drive axle (5) middle part necking segment (5a) reduces from front to back gradually, and the outline of plastic drive axle (5) back segment is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420460554.5U CN204016392U (en) | 2014-08-14 | 2014-08-14 | A kind of titanium folder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420460554.5U CN204016392U (en) | 2014-08-14 | 2014-08-14 | A kind of titanium folder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204016392U true CN204016392U (en) | 2014-12-17 |
Family
ID=52056319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420460554.5U Active CN204016392U (en) | 2014-08-14 | 2014-08-14 | A kind of titanium folder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204016392U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090065A (en) * | 2019-04-25 | 2019-08-06 | 安徽医科大学第一附属医院 | A kind of collet release pincers |
-
2014
- 2014-08-14 CN CN201420460554.5U patent/CN204016392U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090065A (en) * | 2019-04-25 | 2019-08-06 | 安徽医科大学第一附属医院 | A kind of collet release pincers |
| CN110090065B (en) * | 2019-04-25 | 2024-05-31 | 安徽医科大学第一附属医院 | Chuck release pincers |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204133545U (en) | Percutaneous kidney pus and blood forceps | |
| CN205866778U (en) | Tumour sampler | |
| CN204293235U (en) | A kind of acne needle with drawing function | |
| CN203749527U (en) | Ring sleeve type double-J pipe removing device | |
| CN204016392U (en) | A kind of titanium folder | |
| CN206473590U (en) | A kind of endocrine hydrops negative suction system | |
| CN204600547U (en) | Disposable endoscope biopsy forceps | |
| CN204016401U (en) | A kind of titanium clamping structure for grasping tissue | |
| CN204016391U (en) | A kind of titanium clamping structure of easy disengaging | |
| CN207821850U (en) | The disposable biopsy forceps of rotatable binding clip | |
| CN204016400U (en) | Titanium for grasping tissue presss from both sides | |
| CN104799886A (en) | Piston cutting type biopsy needle | |
| CN204016402U (en) | Titanium clamp pincers | |
| CN204016381U (en) | Axial cutting facility | |
| CN208388622U (en) | Disposable anti-reverse flow pattern venous blood sample collection needle | |
| CN203042322U (en) | Novel hematologic tumor biopsy sampling needle | |
| CN203861267U (en) | Piston cutting type biopsy needle | |
| CN205107698U (en) | Experimental animals heart blood taking needle | |
| CN205163740U (en) | Two -chamber sputum aspirator | |
| CN202537545U (en) | Safe and convenient medical needle biopsy device | |
| CN203244416U (en) | Piston type biopsy needle for bone and soft tissue tumor | |
| CN202235542U (en) | Novel artery clamp | |
| CN202409688U (en) | Safe transfusion needle | |
| CN205867204U (en) | Infusion appurtenance | |
| CN202526743U (en) | Novel drainage tube |
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 counting device and repeating type titanium clamp applying same 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: A titanium clip 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 |