k-wire pusher

CN224892675UActive Publication Date: 2026-10-27PEOPLES HOSPITAL OF SUINING DISTRICT NANNING CITY
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202521191081.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-11
Publication Date
2026-10-27
Estimated Expiration
2035-06-11

AI Technical Summary

Technical Problem

[0003]现有的推结器需要将缝线穿过推结器的孔后才能打结,操作不方便,也影响医生打结的速度;而且推结器的手持端和推结端是固定设置的,更换时需要将整个更换,因此存在耗材高的问题

Benefits of technology

[0012]本实用新型通过安装组件将推结杆可拆卸安装在手持杆上,以便于实现对推结杆的更换,此外推结杆为克氏针,降低了耗材成本;通过在推结杆的端部设置挂线端套住其中一根线,就能将打结的位置推到缝线端部把结打紧,可以提高手术医生打结速度,起到快速止血的作用。

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224892675U_ABST
    Figure CN224892675U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of medical auxiliary appliance, more specifically, the utility model provides Kirschner wire knot pusher, including knot pusher, installation component, handheld rod and hang the line end, one end of knot pusher is detachably installed in the mounting hole of handheld rod through installation component, the other end of knot pusher is hang the line end, the knot pusher of recessed knot pusher is equipped with, and the both ends of knot pusher extend outward;The installation component includes clamping plate, first spring, hinged rod and pull rod;Two clamping plates are equipped with, two clamping plates are interval arrangement and are slidably connected with handheld rod respectively;Knot pusher is detachably installed on handheld rod through installation component, so as to realize the replacement of knot pusher, in addition, knot pusher is Kirschner needle, and the cost of consumables is reduced;The line end is sleeved with one of the lines by setting the end of knot pusher, just can push the position of knot to suture end and tighten knot, can improve the knot speed of operating surgeon, and play the role of rapid hemostasis.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of medical assistive device technology, and more specifically, to a Kirschner wire pusher. Background Technology

[0002] During deep thoracic and abdominal surgeries, knots need to be tied after ligating blood vessels. Because it is difficult to reach deep into the gaps by hand when tying the knot, a knot pusher is needed to push the knot to the suture to tighten it.

[0003] Existing knot pushers require the suture to be passed through the hole of the pusher before knotting, which is inconvenient to operate and affects the doctor's knotting speed. Moreover, the hand-held end and the pusher end of the pusher are fixed, and the whole thing needs to be replaced when changing it, which results in high consumable costs. Utility Model Content

[0004] The purpose of this invention is to provide a Kirschner wire pusher that is easy to disassemble and push, in order to solve the above-mentioned technical problems.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a Kirschner wire pusher, comprising a pusher rod, a mounting assembly, a handheld rod, and a hanging end. One end of the pusher rod is detachably mounted in the mounting hole of the handheld rod via the mounting assembly. The other end of the pusher rod is the hanging end, which has a concave pusher portion extending outward at both ends. The mounting assembly comprises a clamping plate, a first spring, a hinge rod, and a pull rod. Two clamping plates are provided, spaced apart and slidably connected to the handheld rod. The space between the two clamping plates is a clamping area for holding the pusher rod. The two clamping plates are connected by the first spring. One of the clamping plates is also hinged to one end of the hinge rod. The other end of the hinge rod is hinged to one end of the pull rod. The other end of the pull rod is located outside the handheld rod. The pull rod is also hinged to the handheld rod via a torsion spring shaft.

[0006] A further technical solution of this application: the push rod is a Kirschner wire.

[0007] A further technical solution of this application: the hanging end and the push rod are arranged perpendicular to each other.

[0008] A further technical solution of this application: the handheld rod is provided with anti-drop handles on both sides of the end away from the mounting hole.

[0009] A further technical solution of this application: an auxiliary disassembly assembly for pushing out the push rod is also installed in the mounting hole of the handheld rod. The auxiliary disassembly assembly includes a push rod and a second spring. The push rod is slidably connected to the handheld rod. One end of the push rod is connected to the handheld rod through the second spring, and the other end of the push rod abuts against the push rod.

[0010] A further technical solution of this application: a locking groove is provided on the outer wall of the push rod, and the auxiliary disassembly assembly also includes a locking rod and an unlocking key. One end of the locking rod is positioned directly opposite the push rod, and the other end of the locking rod is connected to the unlocking key. The unlocking key is slidably installed in the unlocking groove provided on the hand handle. The locking rod is used to limit the push rod by inserting it into the locking groove after the push rod is inserted into the mounting hole.

[0011] Compared with the prior art, the technical solution provided by this utility model has the following advantages:

[0012] This invention allows for the detachable installation of the knot pusher onto a handheld handle via an installation assembly, facilitating its replacement. Furthermore, the knot pusher is a Kirschner wire, reducing consumable costs. By attaching a hanging end to one of the threads at the end of the knot pusher, the knot can be pushed to the end of the suture to tighten it, improving the surgeon's knot-tying speed and achieving rapid hemostasis. Attached Figure Description

[0013] Figure 1 A three-dimensional schematic diagram of the Kirschner wire pusher provided by this utility model;

[0014] Figure 2 A cross-sectional view of the Kirschner wire pusher provided by this utility model;

[0015] Figure 3 for Figure 2 A schematic diagram of a partial structure;

[0016] Figure 4 This is a cross-sectional view of the connection between the clamping plate and the pusher rod in the Kirschner wire pusher provided by this utility model.

[0017] Explanation of the labels in the diagram:

[0018] 1. Anti-drop handle; 2. Unlock button; 3. Unlocking slide; 4. Handheld rod; 5. Push rod; 6. Cable hanging end; 7. Pull rod; 8. Clamping plate; 9. Push rod; 10. Locking rod; 11. Second spring; 12. Locking groove; 13. Torsion spring shaft; 14. Hinge rod; 15. First spring. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. The present utility model will be further described below with reference to the embodiments.

[0020] Please see Figures 1-4 In one embodiment of this application, the Kirschner wire pusher includes a pusher rod 5, a mounting assembly, a handheld rod 4, and a hanging end 6. One end of the pusher rod 5 is detachably mounted in the mounting hole of the handheld rod 4 via the mounting assembly. The other end of the pusher rod 5 is the hanging end 6, which has a concave pusher portion with both ends extending outward. The mounting assembly includes a clamping plate 8, a first spring 15, a hinge rod 14, and a pull rod 7. Two clamping plates 8 are provided, spaced apart and slidably connected to the handheld rod 4 respectively. The space between the two clamping plates 8 is a clamping area for clamping the pusher rod 5. The two clamping plates 8 are connected by the first spring 15. One of the clamping plates 8 is also hinged to one end of the hinge rod 14. The other end of the hinge rod 14 is hinged to one end of the pull rod 7. The other end of the pull rod 7 is located outside the handheld rod 4. The pull rod 7 is also hinged to the handheld rod 4 via a torsion spring shaft 13.

[0021] In this embodiment, the push rod 5 is a Kirschner wire. Kirschner wires are low in cost.

[0022] In order to maximize the push-knot stroke, in this embodiment, the hanging end 6 and the push-knot rod 5 are arranged perpendicular to each other. In order to facilitate the hanging end 6 being put on the line, both ends of the push-knot part extend outward.

[0023] In practical use, the hanging end 6 is looped over one of the threads, then the hanging end 6 is pressed against the knotted position, and the knotted position is pushed inward to achieve the function of pushing the knot with the sewing needle. When it is necessary to replace the push-knot rod 5, the pull rod 7 is pushed upward, and the two clamps 8 are pulled apart under the action of the hinge rod 14, so that the push-knot rod 5 is released. The old push-knot rod 5 can be removed and the new push-knot rod 5 can be inserted to achieve the replacement function. It should be noted that Kirschner wires in the department can be used as push-knot rods 5. The structure and position of the hanging end 6 can be shaped by bending with pliers, or the ends of the Kirschner wires can be bent in batches using bending equipment to form the hanging end 6, depending on the actual use.

[0024] In this embodiment, the hanging end 6 and the push rod 5 are arranged perpendicular to each other.

[0025] To facilitate handholding and force application, in this embodiment, the handhold lever 4 is also provided with anti-drop handles 1 on both sides of the end away from the mounting hole.

[0026] To facilitate the disassembly of the push rod 5, in this embodiment, an auxiliary disassembly assembly for pushing out the push rod 5 is also installed in the mounting hole of the handheld rod 4. The auxiliary disassembly assembly includes a push rod 9 and a second spring 11. The push rod 9 is slidably connected to the handheld rod 4. One end of the push rod 9 is connected to the handheld rod 4 through the second spring 11, and the other end of the push rod 9 abuts against the push rod 5.

[0027] In this embodiment, a locking groove 12 is provided on the outer wall of the push rod 9. The auxiliary disassembly assembly also includes a locking rod 10 and an unlocking key 2. One end of the locking rod 10 is positioned directly opposite the push rod 9, and the other end of the locking rod 10 is connected to the unlocking key 2. The unlocking key 2 is slidably installed in the unlocking groove 3 provided in the handheld rod 4. The locking rod 10 is used to limit the push rod 9 by inserting it into the locking groove 12 after the push rod 5 is inserted into the mounting hole.

[0028] During disassembly, move the unlocking key 2 to pull the locking rod 10 out of the locking groove 12, then open the two clamps 8 to release the push rod 5. Under the elastic action of the second spring 11, push the push rod 5 through the push rod 9 to facilitate the disassembly of the push rod 5.

[0029] The present invention and its embodiments have been described above illustratively. This description is not restrictive, and the figures shown are only one embodiment of the present invention; the actual structure is not limited thereto. Therefore, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

[0030] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A Kirschner wire pusher, characterized in that, The assembly includes a push-joint rod (5), an installation component, and a handheld rod (4). One end of the push-joint rod (5) is detachably installed in the installation hole of the handheld rod (4) via the installation component. The other end of the push-joint rod (5) is a hanging end (6), which has a concave push-joint portion with both ends extending outward. The installation component includes a clamping plate (8), a first spring (15), a hinge rod (14), and a pull rod (7). Two clamping plates (8) are provided, and the two clamping plates (8) are spaced apart. The two clamps (8) are slidably connected to the hand handle (4). The gap between the two clamps (8) is a clamping area for clamping the push rod (5). The two clamps (8) are connected by a first spring (15). One of the clamps (8) is also hinged to one end of the hinge rod (14). The other end of the hinge rod (14) is hinged to one end of the pull rod (7). The other end of the pull rod (7) is located outside the hand handle (4). The pull rod (7) is also hinged to the hand handle (4) through a torsion spring shaft (13).

2. The pusher according to claim 1, characterized in that, The push rod (5) is a Kirschner wire.

3. The pusher according to claim 1, characterized in that, The hanging end (6) and the push rod (5) are set perpendicular to each other.

4. The pusher according to claim 1, characterized in that, The handheld lever (4) is also provided with anti-drop handles (1) on both sides of the end away from the mounting hole.

5. The pusher according to claim 1 or 4, characterized in that, An auxiliary disassembly assembly for pushing out the push rod (5) is also installed in the mounting hole of the handheld rod (4). The auxiliary disassembly assembly includes a push rod (9) and a second spring (11). The push rod (9) is slidably connected to the handheld rod (4). One end of the push rod (9) is connected to the handheld rod (4) through the second spring (11), and the other end of the push rod (9) abuts against the push rod (5).

6. The pusher according to claim 5, characterized in that, The outer wall of the push rod (9) is provided with a locking groove (12). The auxiliary disassembly assembly also includes a locking rod (10) and an unlocking key (2). One end of the locking rod (10) is set directly opposite the push rod (9), and the other end of the locking rod (10) is connected to the unlocking key (2). The unlocking key (2) is slidably installed in the unlocking groove (3) opened on the hand handle (4). The locking rod (10) is used to limit the push rod (9) after the push rod (5) is inserted into the locking groove (12) after the installation hole is set.