CN201602812U - Needle holder used under laparoscope - Google Patents
Needle holder used under laparoscope Download PDFInfo
- Publication number
- CN201602812U CN201602812U CN2010201055028U CN201020105502U CN201602812U CN 201602812 U CN201602812 U CN 201602812U CN 2010201055028 U CN2010201055028 U CN 2010201055028U CN 201020105502 U CN201020105502 U CN 201020105502U CN 201602812 U CN201602812 U CN 201602812U
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- China
- Prior art keywords
- needle holder
- hinged
- clamping claw
- operating grip
- jaw
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Abstract
The utility model relates to a needle holder used under a laparoscope, which has the characteristics that the structure is simple, the operation is flexible and convenient, and the surrounding tissues are not damaged easily. The utility model proposes the technical scheme that the needle holder comprises a holder body provided with a long-thin hollow fixed sleeve, wherein the front end of the holder body is provided with a needle clamping part, and the rear end thereof is articulated with an operating handle; the needle holder is characterized in that the needle clamping part comprises a fixed clamping claw and a movable clamping claw that are arranged at the front end of the fixed sleeve; the movable clamping claw can be movably articulated on the fixed clamping claw; a pull rod is arranged on the holder body; one end of the pull rod penetrates through the inner cavity of the fixed sleeve and then is articulated with the movable clamping claw, and the other end thereof is articulated with the operating handle by a connecting piece; one end of the connecting piece is articulated with the operating handle, and the other end thereof is articulated on an articulated joint arranged at the tail end of the pull rod; the fixed clamping claw and the movable clamping claw are of the lateral bending shape; and an inclination angle is formed between the occlusal surface of the fixed clamping claw and the movable clamping claw and the principle axis of the needle holder.
Description
Technical field
This utility model relates to a kind of clinical treatment operating theater instruments, specifically is meant the needle holder that uses under a kind of peritoneoscope.
Background technology
Needle holder is a requisite medical apparatus and instruments when sewing up wound in the surgical operation; The present needle holder that uses clinically, the shape that supports needle body before it mostly is the scissors structure, and promptly the shape form is hinged to form two clamping monomers to cut.The suture needle clamping of this scissors needle holder is to realize by the opening and closing left and right that scissors are held needle body, therefore during suture operation, must be especially careful in making body cavity; Because suture needle needs to insert, extract and hocket in sewing process, not only accidentally injure wound soft tissue on every side during stitching easily, and need on body surface, reserve bigger scalpel edge in advance, with finishing of the turnover that makes things convenient for this apparatus and the action of needle holder opening and closing left and right.Because the laparoscopic incision maximum is only about 1cm, and the apparatus that uses all needs certain length, and therefore this scissors needle holder is not suitable for using under peritoneoscope.
Along with the raising of medical technique level, laparoscopic technique is popularized gradually, and the stitching under the peritoneoscope is essential, suture instruments design under the peritoneoscope is more coarse at present, be generally straight shape and hold pin, in laparoscopically two dimensional image, have blind area, be unfavorable for operation; And mostly be the gripping formula, against the operation technique of routine, use dumbly, inconvenient, permanent operation is quickened tired, can not satisfy the operation stitching requirement of peritoneoscope accurate operation in the modern medicine, and not have patent disclosure.
The utility model content
The purpose of this utility model is to provide a kind of improvement of needle holder, and this needle holder should have simple in structure, flexible and convenient operation, and the while is the characteristics of easy damaged surrounding tissue not.
The technical scheme that the utility model proposes is: the needle holder that a kind of peritoneoscope uses down, the noumenal seat that comprises fixed sleeving with elongated hollow, the front end of noumenal seat is provided with folder pin portion, rear end hinge operation handle, it is characterized in that: described folder pin portion comprises stationary jaw and the movable jaw that is arranged on the fixed sleeving front end, and this activity jaw is hinged on the stationary jaw movably; Described noumenal seat is provided with pull bar, and after an end of pull bar passed from the fixed sleeving inner chamber, hinged with movable jaw, the other end was hinged by brace and operating grip.
One end and the operating grip of described brace are hinged, and the other end is hinged in the articulated joint of pull bar end.
Described stationary jaw and movable jaw are lateral bending shape, between occlusal surface that coincide mutually between stationary jaw and the movable jaw and the needle holder main shaft inclination angle are arranged, and have overcome the blind area in the peritoneoscope visual field.
Be shaped on the horizontal slice tooth that increases friction on the described occlusal surface.
Described operating grip is made two toroidals, and is similar with apparatuses such as routine operation vascular forcepss, makes things convenient for the skilled operation of surgical doctor to folder pin, stitching etc.
The bottom of described operating grip also is provided with the latch of the spacing usefulness of an operating grip.
The rear end of described fixed sleeving is shaped on a water filling port, and front end has outlet to communicate with the external world, and two ends can be washed in operation by the intracavity inter-connection of fixed sleeving, keep the cleaning of this needle holder front end, prevents the pollution of blood etc.; Water filling port is furnished with the rubber cap bag again.
Operation principle of the present utility model is: but adopt two mutually hinged stationary jaws and movable jaw to constitute the folder pin portion 1 of clamping suture needle; This folder pin portion does not have the horizontal open and close movement that traditional scissors are held needle body, and it is little therefore to have a work surface, can not influence the characteristics of its surrounding tissue.And the occlusal surface between stationary jaw on this clamping part and the movable jaw and the main shaft of needle holder have the angle of certain inclination, so the suture needle of clamping is when being in occlusal diverse location, the different pin angles (with respect to the main shaft of needle holder) of holding can occur.Simultaneously, because the suture needle body also is a kind of shape as crotch, so the location point difference that is held, the needle point of suture needle points to also different.Like this, the doctor in the operation can make suture needle with the diverse location on the various angle incision occlusal surfaces by the approach axis of operating grip adjustment folder pin portion, and be fixed jaw and movable jaw are clamped, hold pin at any angle with realization, and can overcome the peritoneoscope blind area, be beneficial to operation under the mirror.In addition, on the occlusal surface between stationary jaw and the movable jaw, be shaped on the horizontal slice tooth that increases rubbing action, be convenient to clamp more firmly suture needle.Also have the latch that to make spacing usefulness on the operating grip, handle can not unclamped from pinning after clamping, be convenient to operative doctor and be absorbed in and use the pin position.
During use of the present utility model, earlier operating grip is outwards opened, brace hinged on the operating grip is stretched, and therefore spurs the articulated joint reach; Thereby pushing drawing rod makes movable jaw deviate from mutually with stationary jaw; On stationary jaw, place the suture needle of respective model again, operating grip is inwardly closed, at this moment, brace hinged on the operating grip is pressed downward, and drive articulated joint and retreat, thereby the pulling pull bar makes movable jaw compress into to stationary jaw, until closely being fastened, thereby clamp therebetween suture needle.
The beneficial effects of the utility model are:
1, this product is applicable to the operation stitching operation of peritoneoscope lower breast abdominal cavity or narrow and small operating field, the shortcoming that the design of front end lateral bending has avoided existing straight shape needle holder that pin is tilted, and overcome the formed blind area of peritoneoscope two-dimensional imaging.
2, the design of operating grip is similar with apparatuses such as routine operation vascular forcepss, makes things convenient for the skilled operation of surgical doctor to folder pin, stitching etc.
3, shorten operating time, improved the operation quality, alleviated patient's misery, reduced the generation of post-operative complication.
4, simple, the flexible and convenient operation of product structure is beneficial to and applies.
5, cost is saved in the use of can sterilizing repeatedly.
Description of drawings
Fig. 1 is a main TV structure sketch map of the present utility model;
Fig. 2 is a user mode sketch map of the present utility model;
Fig. 3 is the C portion structure for amplifying sketch map among Fig. 2;
Fig. 4 is the B portion structure for amplifying sketch map among Fig. 2;
Fig. 5 is that the A of latch among Fig. 2 is to the structure for amplifying sketch map;
Fig. 6 be among Fig. 1 D to local structure for amplifying sketch map.
The specific embodiment
In conjunction with Figure of description, the technical solution of the utility model is described further.
As shown in the figure, the needle holder that a kind of peritoneoscope uses is down made by the medical metals material that uses of can sterilizing repeatedly, and main part is made of a noumenal seat 5 with elongated hollow fixed sleeving 2, and the front end of noumenal seat is provided with folder pin portion 1, rear end hinge operation handle 3.The handle of this operating grip and traditional scissors needle holder is similar, is the pincers handle of opening and closing left and right; About the corresponding respectively latch 14 that matches that is provided with of inboard tail end of pincers handle 12,13, can only do unidirectional motion after the engagement between this latch, make inwardly outwards folding of operating grip, pitch or dislocate, be beneficial to operative doctor and more be absorbed in and use the pin position with the accident that prevents suture needle.
Described folder pin portion 1 is made of stationary jaw 9 and the movable jaw 10 that rivet flexibly connects, and stationary jaw 9 is arranged on the front end of the fixed sleeving 2 of an elongated hollow, and the external diameter of fixed sleeving is identical with the external diameter of stationary jaw.
Described stationary jaw 9 is lateral bending shape (as shown in Figure 6) with movable jaw 10, between the occlusal surface 11 of stationary jaw and movable jaw and the needle holder main shaft inclination angle is arranged; Therefore when the suture needle of clamping is in occlusal diverse location, the different pin angles (with respect to the main shaft of needle holder) of holding can appear, like this, doctor in the operation can be by the approach axis of operating grip adjustment folder pin portion, make suture needle with the diverse location on the various angle incision occlusal surfaces, and be fixed jaw and movable jaw are clamped, to realize holding at any angle pin.
Be shaped on the horizontal slice tooth that increases friction on the occlusal surface 11 of described stationary jaw 9 and movable jaw 10, be convenient to clamp more firmly suture needle.
Described main body base 5 is provided with pull bar 4, and this pull bar is arranged on the inner chamber of fixed sleeving 2, and hinged with movable jaw 10 after an end of pull bar passes from fixed sleeving 2 inner chambers, the other end is hinged by brace 7,8 and operating grip 3.
One end of described brace 7,8 with about pincers handle 12,13 hinged, the other end is hinged in the articulated joint 6 of pull bar end.But articulated joint pushing drawing rod under the effect of operating grip moves forward and backward, thereby movable jaw 10 is rotated up with the axis around rivet that affects of wire drawing 4, and the anglec of rotation is in 0-60 degree scope.
The rear end of described fixed sleeving 2 is shaped on a water filling port 15 that is communicated with extraneous suction device, and front end is shaped on the outlet 17 that links to each other with water inlet; This water filling mouth of a river and outlet are communicated with cavity 16 between the pull bar outer circumference surface by the fixed sleeving inner peripheral surface.In the operation process, water filling port can connect water pipe, injects flushing liquor from water filling port, this flushing liquor sprays along cavity 16 from outlet, helps the flushing of this needle holder front end, helps the cleaning in the visual field, and water filling port is furnished with the rubber cap bag, can cover when not needing to wash and play sealing process.
Claims (7)
1. the needle holder that uses down of a peritoneoscope, the noumenal seat (5) that comprises fixed sleeving (2) with elongated hollow, the front end of noumenal seat is provided with folder pin portion (1), rear end hinge operation handle (3), it is characterized in that: described folder pin portion comprises stationary jaw (9) and the movable jaw (10) that is arranged on the fixed sleeving front end, and this activity jaw (10) is hinged on the stationary jaw (9) movably; Described noumenal seat is provided with pull bar (4), and is hinged with movable jaw after an end of pull bar passes from the fixed sleeving inner chamber, and the other end is hinged by brace (7,8) and operating grip.
2. the needle holder that a kind of peritoneoscope according to claim 1 uses down, it is characterized in that: an end and the operating grip (3) of described brace (7,8) are hinged, and the other end is hinged in the articulated joint (6) of pull bar end.
3. the needle holder that a kind of peritoneoscope according to claim 1 and 2 uses down, it is characterized in that: described stationary jaw (9) is lateral bending shape with movable jaw (10), between occlusal surface (11) that coincide mutually between stationary jaw and the movable jaw and the needle holder main shaft inclination angle is arranged.
4. the needle holder that a kind of peritoneoscope according to claim 3 uses down is characterized in that: be shaped on the horizontal slice tooth that increases friction on the described occlusal surface (11).
5. the needle holder that a kind of peritoneoscope according to claim 4 uses down, it is characterized in that: described operating grip is made two toroidals.
6. the needle holder that a kind of peritoneoscope according to claim 5 uses down, it is characterized in that: the bottom of described operating grip (3) also is provided with the latch (14) of the spacing usefulness of an operating grip.
7. the needle holder that a kind of peritoneoscope according to claim 6 uses down, it is characterized in that: the rear end of described fixed sleeving is shaped on a water filling port (15), front end is shaped on the outlet (17) that is connected with water filling port, two ends are by the intracavity inter-connection of fixed sleeving, and the water filling port place is furnished with the rubber block again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201055028U CN201602812U (en) | 2010-01-27 | 2010-01-27 | Needle holder used under laparoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201055028U CN201602812U (en) | 2010-01-27 | 2010-01-27 | Needle holder used under laparoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201602812U true CN201602812U (en) | 2010-10-13 |
Family
ID=42947517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201055028U Expired - Fee Related CN201602812U (en) | 2010-01-27 | 2010-01-27 | Needle holder used under laparoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201602812U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103445814A (en) * | 2013-08-30 | 2013-12-18 | 沈雅 | Cardiac minimally-invasive surgery needle holder |
| CN103462658A (en) * | 2012-12-05 | 2013-12-25 | 北京林业大学 | Needle holder capable of adjusting three-dimensional postures of arc-shaped suture needle |
| CN105167813A (en) * | 2015-09-28 | 2015-12-23 | 天津大学 | Novel surgical needle holder |
| CN113143407A (en) * | 2021-02-08 | 2021-07-23 | 中国人民解放军海军军医大学第一附属医院 | Grasping forceps for small-incision intestinal cancer radical operation for teaching |
-
2010
- 2010-01-27 CN CN2010201055028U patent/CN201602812U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103462658A (en) * | 2012-12-05 | 2013-12-25 | 北京林业大学 | Needle holder capable of adjusting three-dimensional postures of arc-shaped suture needle |
| CN103462658B (en) * | 2012-12-05 | 2015-07-29 | 北京林业大学 | The needle holder of adjustable circle curved suture needle 3 d pose |
| CN103445814A (en) * | 2013-08-30 | 2013-12-18 | 沈雅 | Cardiac minimally-invasive surgery needle holder |
| CN105167813A (en) * | 2015-09-28 | 2015-12-23 | 天津大学 | Novel surgical needle holder |
| CN113143407A (en) * | 2021-02-08 | 2021-07-23 | 中国人民解放军海军军医大学第一附属医院 | Grasping forceps for small-incision intestinal cancer radical operation for teaching |
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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: 20101013 Termination date: 20150127 |
|
| EXPY | Termination of patent right or utility model |