Vein stripping hemostasis device

By delivering electrical energy through a catheter electrode inside the tunnel after vein stripping surgery to coagulate tissue and stop bleeding, the problem of bleeding inside the tunnel was solved, hematoma was avoided, and a safe and efficient hemostatic effect was achieved.

CN223817641UActive Publication Date: 2026-01-23SICHUAN JIKANG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423115631.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2026-01-23
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Currently, bleeding from the wound inside the tunnel after vein stripping surgery is difficult to stop effectively, and pressure hemostasis can easily lead to hematoma. Existing hemostatic devices are inadequate.

Method used

Hemostasis is achieved by using an electrode inside the catheter to coagulate tissue with electrical energy. The electrode is guided into the tunnel and contacts the bleeding point to transfer energy and coagulate the tissue. The electrode position is fixed by a movable connector and a positioning device.

Benefits of technology

It effectively stops bleeding, avoids hematoma, simplifies the surgical procedure, shortens the operation time, and improves safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a vein stripping hemostasis device which comprises a catheter, one end of the catheter is fixedly connected with a guide head, the surface of the catheter is provided with an embedding groove, a wire is arranged in the embedding groove, one side of the wire is fixedly connected with an electrode, the surface of the guide head is provided with a containing groove, and the electrode is fixedly connected with the containing groove. The electrode is located in the containing groove, a connecting base is movably arranged on the surface of the guide pipe, a power line is fixedly connected to the surface of the connecting base, and the wire extends into the connecting base and is electrically connected with the power line. The guide head is arranged to drive the catheter to enter a tunnel generated in a vein stripping operation, the connecting seat is moved to drive the electrode to extend out of the containing groove, and the electrode is arranged to make contact with a bleeding point and transmit energy, so that tissue protein at the bleeding point is solidified, and the aim of stopping bleeding is achieved. Hematoma can be avoided.
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Description

Technical Field

[0001] This application relates to the field of medical device technology, and in particular to a hemostatic device for vein stripping. Background Technology

[0002] Varicose veins of the lower extremities are a common and frequently occurring surgical condition, ranking first in vascular surgery incidence. Surgery has always been the most effective and recognized treatment for this disease. Although there are various methods for treating varicose veins of the lower extremities, none can completely replace high ligation of the great saphenous vein and stripping of varicose superficial veins as the most definitive standard surgical procedure. During great saphenous vein stripping, after stripping the great saphenous vein with a guidewire, a tunnel is left behind. Due to the numerous venous branches, the large number of small vessel ends left in the tunnel wound can cause significant bleeding, requiring manual or hemostatic control postoperatively.

[0003] A search revealed that Chinese Patent No. CN215079176U discloses a disposable vein stripping hemostasis device, which makes vein stripping surgery safer and more convenient. It allows for short-term, mild pressure after surgery, effectively shortening the operation time and reducing postoperative complications. However, the method of applying pressure after surgery for hemostasis is prone to causing hematoma. Therefore, a vein stripping hemostasis device is proposed to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a hemostatic device for vein stripping to solve the problems mentioned in the background art.

[0005] The embodiments of this application adopt the following technical solutions:

[0006] A hemostatic device for vein stripping includes a catheter, one end of which is fixedly connected to a guide head. An embedding groove is formed on the surface of the catheter, and a wire is disposed inside the embedding groove. An electrode is fixedly connected to one side of the wire. A receiving groove is formed on the surface of the guide head, and the electrode is located inside the receiving groove. A connecting seat is movably disposed on the surface of the catheter, and a power cord is fixedly connected to the surface of the connecting seat. The wire extends into the interior of the connecting seat and is electrically connected to the power cord.

[0007] Preferably, the surface of the catheter is detachably connected to a sleeve, the inner diameter of which is equal to the outer diameter of the catheter.

[0008] Preferably, a positioning element is fixedly connected to the front side of the connecting seat for fixing the connecting seat.

[0009] Preferably, the positioning element includes a positioning cylinder, the surface of which is provided with two sliding grooves, and the inner wall of the sliding groove is slidably connected with a stop block, the stop block being right-angled.

[0010] Preferably, the surface of the positioning cylinder is fixedly connected with a fixed block, a rotating hole is formed in the surface of the fixed block, a bidirectional threaded screw rod is rotationally connected to the inner wall of the rotating hole, a threaded hole is formed in the surface of the stop block, and the two stop blocks are respectively threadedly connected with two rotation direction segments of the bidirectional threaded screw rod.

[0011] Preferably, the two ends of the bidirectional threaded screw rod respectively penetrate the end faces of the stop blocks and are fixedly connected with limiting blocks.

[0012] Preferably, the end face of one of the limiting blocks is fixedly connected with a knob.

[0013] The above at least one technical solution adopted by the embodiment of the present application can achieve the following beneficial effects:

[0014] In the utility model, through setting up guide head, guide pipe is driven to enter the tunnel produced in the stripping operation of vein, through moving connecting seat, electrode is driven to extend out containing groove, through setting up electrode, electrode contacts and transmits energy to bleeding point, makes the tissue protein of bleeding point coagulate, reaches hemostasis purpose, compared with the hemostasis of pressure mode in prior art, can avoid the appearance of hematoma. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, the schematic embodiments and the description thereof are used to explain the present application, and do not constitute improper limitation to the present application.

[0016] Figure 1 It is: the three-dimensional structure schematic diagram of the utility model,

[0017] Figure 2 It is: the utility model Figure 1 The enlarged structure schematic diagram of A in the utility model,

[0018] Figure 3 It is: the cross section structure schematic diagram of the guide pipe, the sleeve pipe and the guide head of the utility model,

[0019] Figure 4 It is: the rear view structure schematic diagram of the guide pipe of the utility model,

[0020] Figure 5 It is: the three-dimensional structure schematic diagram of the positioning member of the utility model.

[0021] In the drawing: 1, guide pipe;2, guide head;3, embedding groove;4, wire;5, electrode;6, containing groove;7, connecting seat;8, power cord;9, sleeve pipe;10, positioning cylinder;11, stop block;12, fixed block;13, bidirectional threaded screw rod;14, limiting block;15, knob. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme of the present application will be described clearly and completely below in combination with specific embodiments of the present application and corresponding drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0023] The technical scheme provided by each embodiment of the present application will be described in detail below in combination with the drawings.

[0024] Please refer to Figures 1-5 The utility model provides a kind of technical scheme of hemostatic device for vein stripping,

[0025] A kind of hemostatic device for vein stripping, including catheter 1, one end of catheter 1 is fixedly connected with guide head 2, the surface of catheter 1 is provided with embedding slot 3, embedding slot 3 is provided with lead wire 4 inside, one side of lead wire 4 is fixedly connected with electrode 5, the surface of guide head 2 is provided with accommodating groove 6, electrode 5 is located inside accommodating groove 6, the surface of catheter 1 movably is provided with connecting seat 7, connecting seat 7 is fixedly connected with power cord 8, lead wire 4 extends to the inside of connecting seat 7 and is electrically connected with power cord 8.

[0026] Specifically, by setting guide head 2 to drive catheter 1 into the tunnel generated by vein stripping operation, by moving connecting seat 7 to drive electrode 5 to extend out of accommodating groove 6, by setting electrode 5, electrode 5 is contacted with bleeding point and energy is transmitted, so that the tissue protein at bleeding point is coagulated, and the purpose of hemostasis is achieved, compared with the hemostasis by pressure in the prior art, hematoma can be avoided, by setting power cord 8 in cooperation with lead wire 4 to power electrode 5, by setting movable connecting seat 7, electrode 5 can be moved out of accommodating groove 6 to act on bleeding point.

[0027] The surface of catheter 1 is detachably connected with sleeve 9, the inner diameter of sleeve 9 is equal to the outer diameter of catheter 1, by setting sleeve 9, lead wire 4 is prevented from being separated from embedding slot 3.

[0028] The front side of connecting seat 7 is fixedly connected with positioning member for fixing connecting seat 7, by setting positioning member to fix connecting seat 7 when it moves to target position.

[0029] The positioning member includes positioning cylinder 10, two sliding grooves are respectively formed in the surface of positioning cylinder 10, and stop block 11 is slidably connected to the inner wall of sliding groove, and stop block 11 is in right angle shape.

[0030] The surface of the positioning cylinder 10 is fixedly connected with a fixed block 12, a rotating hole is arranged on the surface of the fixed block 12, and a two-way threaded rod 13 is rotatably connected to the inner wall of the rotating hole, and a threaded hole is arranged on the surface of the stop block 11, and the two stop blocks 11 are respectively threadedly connected with two rotation direction segments of the two-way threaded rod 13.

[0031] The two ends of the two-way threaded rod 13 respectively penetrate the end surface of the stop block 11 and are fixedly connected with a limiting block 14.

[0032] The end surface of one of the limiting blocks 14 is fixedly connected with a knob 15, and by rotating the knob 15, one of the limiting blocks 14 is driven to rotate, and in turn the two-way threaded rod 13 is rotated under the support of the fixed block 12, and in turn the two stop blocks 11 are driven to move close to each other, so that the end portions of the two stop blocks 11 are pressed and fixed to the surface of the catheter 1, and in turn the connecting seat 7 is fixed.

[0033] Working principle: when the venous stripping hemostasis device is used, the user first inserts the catheter 1 into the tunnel generated by the venous stripping operation by guiding, then moves the connecting seat 7, the connecting seat 7 drives the wire 4 and in turn drives the electrode 5 to extend out of the accommodating groove 6, then rotates the knob 15, one of the limiting blocks 14 of the knob 15 rotates, the limiting block 14 drives the two-way threaded rod 13 to rotate under the support of the fixed block 12, and the two-way threaded rod 13 drives the two stop blocks 11 to move close to each other, so that the end portions of the two stop blocks 11 are pressed and fixed to the surface of the catheter 1, and in turn the connecting seat 7 is fixed, the electrode 5 is electrified, the electrode 5 contacts the bleeding point and transmits energy, the tissue at the bleeding point is protein coagulated, the purpose of hemostasis is achieved, compared with the existing technology which adopts the pressure method for hemostasis, the hematoma can be avoided.

[0034] It should be further understood that the terms "comprise", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such a process, method, article, or equipment. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of another identical element in the process, method, article, or equipment including the element.

[0035] The above only describes the embodiments of the present application and is not intended to limit the present application. Those skilled in the art can make various changes and modifications to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the scope of the claims of the present application.

Claims

1. A hemostatic device for vein stripping, comprising a catheter (1), one end of which is fixedly connected to a guide head (2), characterized in that: The surface of the conduit (1) is provided with an embedding groove (3), and a wire (4) is provided inside the embedding groove (3). An electrode (5) is fixedly connected to one side of the wire (4). The surface of the guide head (2) is provided with a receiving groove (6), and the electrode (5) is located inside the receiving groove (6). A connecting seat (7) is movably provided on the surface of the conduit (1), and a power line (8) is fixedly connected to the surface of the connecting seat (7). The wire (4) extends into the interior of the connecting seat (7) and is electrically connected to the power line (8).

2. The hemostatic device for vein stripping according to claim 1, characterized in that: The surface of the conduit (1) is detachably connected to a sleeve (9), the inner diameter of which is equal to the outer diameter of the conduit (1).

3. The hemostatic device for vein stripping according to claim 1, characterized in that: The front side of the connecting seat (7) is fixedly connected to a positioning member for fixing the connecting seat (7).

4. The hemostatic device for vein stripping according to claim 3, characterized in that: The positioning component includes a positioning cylinder (10), and two sliding grooves are respectively opened on the surface of the positioning cylinder (10), and a stop block (11) is slidably connected to the inner wall of the sliding groove. The stop block (11) is right-angled.

5. A hemostatic device for vein stripping according to claim 4, characterized in that: The positioning cylinder (10) is fixedly connected to a fixing block (12). The fixing block (12) has a rotating hole on its surface, and a bidirectional threaded screw (13) is rotatably connected to the inner wall of the rotating hole. The stop block (11) has a threaded hole on its surface, and the two stop blocks (11) are respectively threaded to the two helical sections of the bidirectional threaded screw (13).

6. A hemostatic device for vein stripping according to claim 5, characterized in that: The two ends of the bidirectional threaded screw (13) pass through the end face of the stop block (11) and are fixedly connected to the limit block (14).

7. A hemostatic device for vein stripping according to claim 6, characterized in that: A knob (15) is fixedly connected to the end face of one of the limiting blocks (14).

Citation Information

Patent Citations

  • Disposable vein stripping hemostasis device

    CN215079176U