Needle taking device capable of adjusting clamping force
By designing a needle picker that can adjust the clamping force, using the combination of outer tube, limiting block, inner tube and connecting piece, the problem that the stapler needle picker cannot adjust the clamping force according to the thickness of the suture needle is improved. The stability and convenience of the needle, and the anti-return function is achieved through snaps and slots.
Patent Information
- Application Number
- CN202421206995.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-30
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-30
AI Technical Summary
The existing stapler needle collectors cannot adjust the clamping force according to the thickness of the suture needle, which reduces its usefulness.
A needle picker including an outer tube, a limiting block, an inner tube and a connecting piece is designed. Through the cooperation of the extrusion head and the movable clamping part on the inner tube and the fixed clamping part, it can be adjusted according to the thickness of the suture needle. The clamping force is used to realize the anti-return function through the snaps and slots on the inner tube.
The clamping force is adjusted according to the actual thickness of the suture needle, which improves the stability and convenience of needle removal, and ensures the stability of clamping through the anti-return function.
Smart Images
Figure CN222237733U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of needle removers, and more specifically, to a needle remover with adjustable clamping force. Background Art
[0002] The stapler is a medical device. When using the stapler, a purse-string suture is placed on the proximal intestine of the anastomosis, the stapler seat is inserted and tightened, the stapler is inserted from the distal end, the central puncture device of the stapler is passed through, and the center rod of the proximal stapler stapler is connected. The stapler is rotated close to the proximal and distal intestinal walls. The distance between the stapler stapler seat and the base is adjusted according to the thickness of the intestinal wall, which is generally 1.5 to 2.5 cm or the limit of tighter rotation by hand (there is a tightness indicator needle on the handle), and the safety is turned on for operation. During the operation of the stapler, there will be suture needles of different thicknesses inside. During the suturing process, the suture needles need to be taken out.
[0003] However, in actual use, the general suture needle remover cannot adjust the clamping force according to the actual thickness of the suture needle, which reduces its practicality. Utility Model Content
[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a needle remover with adjustable clamping force to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a needle remover with adjustable clamping force, comprising an outer tube, a limit block, and an inner tube, wherein a limit block is installed at one end of the outer tube, an inner tube is installed through one end of the outer tube, an inclined extrusion head is provided at one end of the inner tube, a connecting piece is provided at the other end of the outer tube, a fixed clamping tooth portion is provided on the outer tube, a movable clamping tooth portion is provided at one end of the connecting piece, and an inclined surface is provided on one side of the movable clamping tooth portion.
[0006] As a further improvement of the technical solution of the utility model, a card slot is provided on the inner side of the outer tube, and a plurality of sets of buckles are provided on the outer side wall of the inner tube.
[0007] As a further improvement of the technical solution of the utility model, the outside of the outer tube is set as a tubular object, and the side surface of the tubular object is provided with a needle entry port, wherein the needle entry port is used to receive the suture needle ejected from the suture device.
[0008] As a further improvement of the technical solution of the utility model, the movable clamping tooth portion on the connecting piece is fitted and corresponds to the fixed clamping tooth portion, and teeth are provided on the surfaces of the movable clamping tooth portion and the fixed clamping tooth portion.
[0009] As a further improvement of the technical solution of the utility model, the connecting piece and the outer tube are integrally formed.
[0010] As a further improvement of the technical solution of the utility model, the connecting piece is a component made of elastic material.
[0011] As a further improvement of the technical solution of the utility model, the connecting piece and the fixed clamping teeth on the outer tube are in a V shape.
[0012] Technical effects and advantages of the utility model:
[0013] The utility model improves the previous design, the outer tube is limited by the limit block, the user holds the limit block to push the inner tube inward, the extrusion head on the inner tube moves forward and abuts against the inclined surface of the movable clamping tooth part, the movable clamping tooth part and the fixed clamping tooth part are fitted together, the clamping force can be adjusted according to the actual thickness of the suture needle, so that the suture needle is clamped and taken out, the stability of the clamping is maintained, and the convenience is improved;
[0014] In addition, the buckle on the inner tube is continuously inserted into the slot during the pushing process, thereby limiting the inner tube, so that the whole has an anti-retraction function. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0016] Figure 2 It is a structural schematic diagram of the utility model.
[0017] The reference numerals in the drawings are: 1 outer tube, 2 limit block, 3 inner tube, 4 extrusion head, 5 tubular object, 51 needle inlet, 6 fixed clamping tooth portion, 7 connecting piece, 8 movable clamping tooth portion, 9 inclined surface, 10 slot, 11 buckle. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] As attached Figure 1 and attached Figure 2The needle remover with adjustable clamping force shown in the figure comprises an outer tube 1, a limit block 2, an inner tube 3, an extrusion head 4, a tubular object 5, a needle entry port 51, a fixed clamping tooth portion 6, a connecting piece 7, a movable clamping tooth portion 8, an inclined surface 9, a slot 10, and a buckle 11. The limit block 2 is installed at one end of the outer tube 1, the inner tube 3 is installed through one end of the outer tube 1, an inclined extrusion head 4 is provided at one end of the inner tube 3, a connecting piece 7 is provided at the other end of the outer tube 1, a fixed clamping tooth portion 6 is provided on the outer tube 1, a movable clamping tooth portion 8 is provided at one end of the connecting piece 7, and an inclined surface 9 is provided on one side of the movable clamping tooth portion 8.
[0020] The outer tube 1 is provided with a clamping groove 10 on its inner side, and the outer side wall of the inner tube 3 is provided with a plurality of buckles 11 .
[0021] Further Figure 1 As shown, the outside of the outer tube 1 is configured as a tubular object 5, and a needle entry port 51 is provided on the side surface of the tubular object 5, wherein the needle entry port 51 is used to receive the suture needle ejected from the suture device.
[0022] Further Figure 1 As shown, the movable clamping tooth portion 8 on the connecting piece 7 is fitted and corresponds to the fixed clamping tooth portion 6, and the surfaces of the movable clamping tooth portion 8 and the fixed clamping tooth portion 6 are provided with teeth.
[0023] Further Figure 1 As shown, the connecting piece 7 is formed integrally with the outer tube 1 .
[0024] Further Figure 1 As shown, the connecting piece 7 is a component made of elastic material, and the connecting piece 7 and the fixed clamping teeth 6 on the outer tube 1 are in a V shape so as to be able to freely restore elasticity.
[0025] Working principle of this utility model:
[0026] The utility model patent mainly designs a device for taking out a suture needle. When the suture needle enters the tubular object 5 from the needle inlet 51, during use, the outer tube 1 is aligned with the port position of the tubular object 5, and the outer tube 1 is limited by the limit block 2. The user holds the limit block 2 and pushes the inner tube 3 inward. The extrusion head 4 on the inner tube 3 moves forward and abuts against the inclined surface 9 of the movable clamping tooth part 8. The movable clamping tooth part 8 and the fixed clamping tooth part 6 are mutually attached, so that the suture needle is clamped and taken out.
[0027] In addition, the buckle 11 on the inner tube 3 is continuously inserted into the slot 10 during the pushing process, thereby limiting the inner tube 3 and preventing it from retreating.
[0028] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;
[0029] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A needle remover with adjustable clamping force, comprising an outer tube (1), a limit block (2), and an inner tube (3), characterized in that: A limit block (2) is installed at one end of the outer tube (1); an inner tube (3) is installed through one end of the outer tube (1); an inclined extrusion head (4) is provided at one end of the inner tube (3); a connecting piece (7) is provided at the other end of the outer tube (1); a fixed clamping tooth portion (6) is provided on the outer tube (1); a movable clamping tooth portion (8) is provided at one end of the connecting piece (7); and an inclined surface (9) is provided on one side of the movable clamping tooth portion (8).
2. The needle remover with adjustable clamping force according to claim 1, characterized in that: The outer tube (1) has a slot (10) formed on its inner side, and the outer side wall of the inner tube (3) has a plurality of sets of buckles (11) formed on its outer side wall.
3. The needle remover with adjustable clamping force according to claim 1, characterized in that: The exterior of the outer tube (1) is provided as a tubular object (5), and a needle entry port (51) is provided on the side surface of the tubular object (5), wherein the needle entry port (51) is used to receive a suture needle ejected from a suture device.
4. The needle remover with adjustable clamping force according to claim 1, characterized in that: The movable clamping tooth portion (8) on the connecting piece (7) is fitted and corresponds to the fixed clamping tooth portion (6), and teeth are provided on the surfaces of the movable clamping tooth portion (8) and the fixed clamping tooth portion (6).
5. The needle remover with adjustable clamping force according to claim 1, characterized in that: The connecting piece (7) and the outer tube (1) are integrally formed.
6. The needle remover with adjustable clamping force according to claim 1, characterized in that: The connecting piece (7) is a component made of elastic material.
7. The needle remover with adjustable clamping force according to claim 1, characterized in that: The connecting piece (7) and the fixed clamping tooth portion (6) on the outer tube (1) are in a V shape.