Hemostat

By designing a hemostatic device including the center part, the pressurized part, the strap and Velcro, the problem of the existing tourniquet is not firmly fixed and a more effective hemostatic effect is achieved.

CN222955478UActive Publication Date: 2025-06-10SHENZHEN TIANKE MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202421125675.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-22
Publication Date
2025-06-10
Estimated Expiration
2034-05-22

AI Technical Summary

Technical Problem

The existing distal radial artery tourniquet is not fixed after puncture, making it difficult to effectively stop hemostatic.

Method used

A hemostat is designed, including a central part, a pressurized part, a first strap, a second strap and a third strap, which is fixed to the bleeding site by a Velcro fitting method, and the pressure on the bleeding site is increased by an inflatable airbag.

Benefits of technology

The hemostasis device can be firmly fixed at the bleeding site, effectively stop bleeding, and increase the pressure on the bleeding point through the inflatable airbag, significantly improving the hemostasis effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hemostat. The center part of the hemostat is fixedly connected with three bandages, and the three bandages are wound on a hemostasis part in sequence when in use and are attached and fixed with each other through two pairs of hook-and-loop fasteners. Wherein one bandage is shortest and is finally wound during use. Therefore, the hemostat can be firmly fixed on a hemostasis part.
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Description

Technical Field

[0001] The present invention belongs to the field of medical devices, and particularly relates to a hemostat. Background Art

[0002] The puncture point of the distal radial artery puncture is near the tiger's mouth of the hand. After the operation, the hemostatic bandage needs to be wound in multiple directions to fix the hemostatic device on the puncture point.

[0003] There is a conventional distal radial artery hemostat, whose compression airbag is connected to four fixing bands, or connected to three fixing bands with one bifurcated at the end. The four ends of all the fixing bands are paired and connected in pairs to adapt to the shape of the hand. Utility Model Content

[0004] The technical problem to be solved by this application is how to improve the hemostat for hemostasis after puncture to facilitate its use.

[0005] This application discloses a hemostat. The hemostat includes:

[0006] A central part, configured as a sheet, for fixing on the bleeding point of the bleeding part;

[0007] A pressurizing part, including an inflatable airbag, which is located on the inner side of the central part;

[0008] A first strap, one end of which is fixedly connected to the central part, and the outer side of the other end is provided with a first hook-and-loop fastener;

[0009] A second strap, one end of which is fixedly connected to the central part, the outer side of the other end is provided with a second hook-and-loop fastener, and the inner side of the middle part is provided with a first loop-and-hook fastener; and

[0010] A third strap, one end of which is fixedly connected to the central part, and the inner side is provided with a second loop-and-hook fastener;

[0011] Wherein, the first strap, the second strap and the third strap are arranged in decreasing order of length, are circumferentially and spacedly distributed on the central part, and are sequentially wound around the bleeding part during use. The third strap is the shortest and is wound last, so that the first loop-and-hook fastener fits the first hook-and-loop fastener, and the second loop-and-hook fastener fits the second hook-and-loop fastener.

[0012] With the above structure, the central part of the hemostat is fixedly connected to three straps, and the three straps are sequentially wound around the bleeding part during use and are fixedly attached to each other through two pairs of hook-and-loop fasteners. One of the straps is the shortest and is wound last during use. Thus, the hemostat can be firmly fixed on the bleeding part.

[0013] In some embodiments of this application, it can be selected that the first strap, the second strap and the third strap are evenly distributed circumferentially on the central part.

[0014] With the above structure, the hemostat is suitable for the puncture point of distal radial artery puncture, and all the straps can be completely tightened, which is convenient for observing the hemostatic effect and can also reduce accidents.

[0015] In some embodiments of the present application, the hemostat may further include at least one extension strap; the extension strap has a third fleece-surface Velcro on one side of one end and a third hook-surface Velcro on the other side of the other end, for fitting to the end of the first strap, the end of the second strap or the end of the third strap.

[0016] By adopting the above structure, the lengths of the three straps can be appropriately increased by using an extension belt to meet the needs of different people.

[0017] In some embodiments of the present application, it can be selected that the inflatable balloon is in the shape of a frustum, and the smaller axial end surface of the inflatable balloon is used to abut against the bleeding site.

[0018] With the above structure, the inflatable airbag of the pressurizing part is configured in a frustum shape, which is beneficial to increase the pressure on the bleeding point and is also convenient for observing the hemostasis effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The following drawings should be used in conjunction with the detailed description.

[0020] Figure 1 is a flattened schematic diagram of the hemostat in the first embodiment, showing its outer side surface;

[0021] Figure 2 is a three-dimensional schematic diagram of the hemostat in the first embodiment, showing the inner side thereof;

[0022] Figure 3 are two three-dimensional schematic diagrams of the extension belt in the first embodiment;

[0023] Figure 4 It is a schematic diagram of the use status of the hemostat in the second embodiment. DETAILED DESCRIPTION

[0024] The following embodiments are described in conjunction with the accompanying drawings. The following embodiments are only used to illustrate the main points and gist of the technical solution of the present application and do not constitute any limitation on the scope of protection.

[0025] In this specification, unless otherwise specified, an embodiment, some embodiments, and other embodiments are used to distinguish different embodiments and do not refer to all embodiments; the drawings are schematic diagrams, not scale drawings; directions / positions indicated by top, bottom, center, edge, inner, outer, far, near, long, wide, longitudinal, transverse, up, down, front, back, left, and right are based on the viewing angle of the drawings and should not be understood as the components / devices being located at a specific position or facing a specific direction; the sequential words such as first, second, and third have no sequential meaning when used to distinguish components / devices with the same function / name.

[0026] In this specification, "inner side" refers to the side of the relevant component facing the bleeding site, and "outer side" refers to the side of the relevant component facing away from the bleeding site.

[0027] Embodiment 1

[0028] A hemostat is disclosed.

[0029] This hemostat is used for hemostasis at the puncture site of distal radial artery puncture.

[0030] Please refer to Figure 1 and Figure 2 This hemostat includes: a central part 40, a pressurizing part 50, a first strap 10, a second strap 20, a third strap 30, and three extension straps 70.

[0031] The central part 40 is used to be fixed at the puncture site of distal radial artery puncture and is in the shape of a hexagonal sheet.

[0032] The pressurizing part 50 includes an inflatable airbag 53, an air filling tube 52, and an inflation valve 51. The inflatable airbag 53 is arranged on the inner side surface of the central part 40. One end of the air filling tube 52 passes through the central part 40 from the outer side surface and is communicated with the inflatable airbag 53. The inflation valve 51 is arranged at the free end of the air filling tube 52 and is used to connect to the air source and connect to the air pressure control device.

[0033] The inflatable airbag 53 is in the shape of a frustum of a cone, and its smaller axial end face 531 is used to abut against the puncture site of distal radial artery puncture.

[0034] One end of the first strap 10 is fixedly connected to the central part 40, and a first hook-and-loop fastener 61 is arranged on the outer side surface of the other end. That is, the first hook-and-loop fastener 61 is arranged on the outer side surface of the end of the first strap 10.

[0035] One end of the second strap 20 is fixedly connected to the central part 40, a second hook-and-loop fastener 63 is arranged on the outer side surface of the other end, and a first loop-and-hook fastener 62 is arranged on the inner side surface of the middle part. That is, the second hook-and-loop fastener 63 is arranged on the outer side surface of the end of the second strap 20.

[0036] The third strap 30 is shorter than the first strap 10 and the second strap 20 , one end of which is fixedly connected to the central portion 40 , and a second hook-surface Velcro 64 is provided on the inner side thereof.

[0037] The first binding strap 10, the second binding strap 20 and the third binding strap 30 are spaced apart in the circumferential direction of the central portion 40. Specifically, the three binding straps are evenly distributed in the circumferential direction of the central portion 40, and the angle between them is 120 degrees in the flat state.

[0038] The lengths of the first strap 10, the second strap 20 and the third strap 30 decrease in sequence. Specifically, the widths of the three straps are all 25 mm, and the lengths of the three straps are L1 = 175 mm, L2 = 160 mm, and L3 = 50 mm.

[0039] See also Figure 3 The extension strap 70 shown has a third fleece-surface Velcro 65 on one side of one end and a third hook-surface Velcro 66 on the other side of the other end for fitting onto the end of one of the above-mentioned straps.

[0040] The extension strap 70 is used to increase the length of the strap to accommodate different people.

[0041] The process of using the hemostat includes the following steps.

[0042] S1. Positioning

[0043] Aim the inflatable airbag 53 at the puncture point, let the third strap 30 point to the back of the thumb side, and keep it fixed.

[0044] S2. Wrap the first strap 10

[0045] It is made to surround the palm for nearly a circle, so that the first fleece-surface Velcro 61 is located at the edge of the palm below the puncture point and remains fixed.

[0046] S3. Wrap the second strap 20

[0047] It is made to wrap around the base of the thumb for 1.5 times, so that the first hook-side Velcro 62 fits the first fur-side Velcro 61, and the second fur-side Velcro 63 is located below the first hook-side Velcro 62 to keep it fixed.

[0048] S4. Wrap the third strap 30

[0049] It is wrapped around the inner side of the palm so that the second hook-side Velcro 64 fits the second fleece-side Velcro 63 .

[0050] The beneficial technical effects of the hemostat include:

[0051] 1) The central part 40 is fixedly connected to three straps. When in use, the three straps are wound around the bleeding site in sequence and are fixed to each other through two pairs of Velcro. Among them, the third strap 30 is the shortest and is wound last during use. Thus, the hemostat can be firmly fixed to the bleeding site.

[0052] 2) It is applicable to the puncture point of the distal radial artery puncture. All straps can be fully retracted, facilitating the observation of the hemostatic effect and reducing accidents.

[0053] 3) The extension strap 70 is used to increase the length of the three straps to meet the needs of different people.

[0054] 4) The inflatable airbag 53 of the pressurizing part 50 is configured as a frustum of a cone, which is beneficial to increasing the pressure on the bleeding point and also facilitating the observation of the hemostatic effect.

[0055] Embodiment 2

[0056] Disclose a hemostat.

[0057] Based on Embodiment 1, the following improvements are made to this hemostat:

[0058] Swap the positions of the second strap 20 and the third strap 30 in Figure 1 .

[0059] This hemostat is for the right hand. For its usage state, please refer to Figure 4 .

[0060] Figure 4 In

[0061] , the second strap 20 extends from the direction of the tiger's mouth, winds around the tiger's mouth for about one and a half weeks, and then the second hook-and-loop fastener 63 at its end presses against the inside of the second hook-and-loop fastener 64 of the third strap 30.

[0062] All of the above embodiments, application examples and technical analyses are intended to introduce the technical concept and features of this application, enabling those skilled in the art to implement the technical solution of this application, and do not constitute any limitation to the protection scope of this application. Any simple modification and equivalent transformation of the above embodiments are within the protection scope of this application.

Claims

1. A hemostat, characterized in that include: A central portion (40) configured in a sheet shape for fixing on a bleeding point at a bleeding site; A pressurizing portion (50) comprising an inflatable airbag (53) located on the inner side of the central portion; A first binding strap (10), one end of which is fixedly connected to the central portion, and the other end of which is provided with a first fleece-surface Velcro (61) on the outer side surface; a second binding strap (20), one end of which is fixedly connected to the central portion, the outer side surface of the other end of which is provided with a second fleece-surface Velcro (63), and the inner side surface of the central portion is provided with a first hook-surface Velcro (62); and a third binding strap (30), one end of which is fixedly connected to the central portion and the inner side of which is provided with a second hook-surface Velcro (64); Among them, the first strap, the second strap and the third strap have decreasing lengths and are distributed at circumferential intervals in the center part. When used, they are wrapped around the bleeding part in sequence. The third strap is the shortest and is wrapped last, so that the first hook-side Velcro fits the first fur-side Velcro, and the second hook-side Velcro fits the second fur-side Velcro.

2. The hemostat according to claim 1, characterized in that: The first binding strap, the second binding strap, and the third binding strap are evenly distributed in the circumferential direction of the central portion.

3. The hemostat according to claim 1, characterized in that: It also includes at least one extension strap (70); The extension strap has a third fleece-surface Velcro on one side of one end and a third hook-surface Velcro on the other side of the other end, which is used to fit on the end of the first strap, the end of the second strap or the end of the third strap.

4. The hemostat according to claim 1, characterized in that: The inflatable balloon is in the shape of a truncated cone, and the smaller axial end surface of the inflatable balloon is used to contact the bleeding site.

5. The hemostat according to claim 1, characterized in that The pressurizing unit further comprises: an inflation tube, one end of which passes through the central portion from the outer side and communicates with the inflatable airbag; and An inflation valve is arranged at the free end of the inflation tube and is used for connecting to the air source and the air pressure control device.