Internal fistula tourniquet

Abstract

The utility model discloses an internal fistula tourniquet which comprises a tourniquet body, a hook-and-loop fastener and a loop-and-loop fastener, the hook-and-loop fastener is arranged on one side of the upper surface of the tourniquet body, and the loop-and-loop fastener is arranged on the lower surface of the tourniquet body and is far away from one side of the hook-and-loop fastener. The tourniquet further comprises a hemostasis mechanism located on the upper surface of the tourniquet body and away from the hook-and-loop side of the hook-and-loop fastener, the hemostasis mechanism comprises a deformation piece and a hemostasis block, the hemostasis block is located in the middle of the upper portion of the deformation piece, and the lower surface of the deformation piece is connected with the upper surface of the tourniquet body. According to the tourniquet, the hemostatic block is arranged outside the tourniquet body, and the advantage that the hemostatic block can absorb water and store water is utilized, so that the possibility that the tourniquet body is polluted by bloodstains can be reduced, the infection risk is reduced, the tourniquet body is kept relatively clean, repeated cleaning and even replacement of the whole tourniquet are not needed, and the tourniquet is convenient to use repeatedly; the hemostasis block can effectively assist in hemostasis.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical devices, and particularly relates to an internal fistula tourniquet. Background Art

[0002] The internal fistula tourniquet is a medical auxiliary tool used in hemodialysis treatment, especially for patients after arteriovenous internal fistula surgery. Its main function is to compress and stop bleeding at the puncture site after dialysis to ensure that the puncture point does not bleed or ooze blood. Currently, there are various types of internal fistula tourniquets, including traditional red and blue elastic bandages, which have the advantages of good elasticity and uniform compression. When using, the tightness needs to be adjusted according to the specific situation of the patient, and the puncture point should be checked by loosening it every once in a while after dialysis.

[0003] Existing internal fistula tourniquets generally have water absorption, so they are easily contaminated by blood stains during use. If reused, it may increase the risk of infection. Therefore, an internal fistula tourniquet is provided. Content of the Utility Model

[0004] The purpose of the utility model is to provide an internal fistula tourniquet to solve the technical problems raised in the background art.

[0005] To achieve the above purpose, the specific technical solution of the utility model is as follows: An internal fistula tourniquet includes a tourniquet body, a hook-and-loop fastener, and a loop-and-loop fastener. The hook-and-loop fastener is arranged on one side of the upper surface of the tourniquet body, and the loop-and-loop fastener is arranged on the lower surface of the tourniquet body and away from the side of the hook-and-loop fastener. It also includes: a hemostatic mechanism located on the upper surface of the tourniquet body and away from the side of the hook-and-loop fastener, which is used for adsorbing and storing blood. The hemostatic mechanism includes a deformation piece and a hemostatic block. The hemostatic block is located in the middle above the deformation piece, and the lower surface of the deformation piece is connected to the upper surface of the tourniquet body.

[0006] Preferably, the hemostatic mechanism further includes an isolation and fixing layer located between the deformation piece and the hemostatic block. The deformation piece is made of copper material, and the hemostatic block is a sponge body, and the sponge body is a chitosan hemostatic sponge.

[0007] Preferably, a plurality of exhaust holes are arranged at equal intervals on the upper surface of the hemostatic block. The exhaust holes are designed with a vertically through structure and a conical structure. Exhaust grooves are arranged on the lower surface of the hemostatic block at the positions of the exhaust holes, and the exhaust grooves are communicated with the exhaust holes.

[0008] Preferably, a protective film for intercepting external dust and impurities is arranged in the middle of the upper surface of the hemostatic block. The protective film is a transparent adhesive film, and a second easy-to-tear edge is arranged at the corner of the outer surface of the protective film.

[0009] Preferably, the isolation and fixing layer includes a second adhesive tape, a diaphragm, and a first adhesive tape. The second adhesive tape, the diaphragm, and the first adhesive tape are distributed in sequence from bottom to top. One end of the diaphragm is connected to the deformation piece through the second adhesive tape, and the other end of the diaphragm is connected to the hemostatic block through the first adhesive tape.

[0010] Preferably, both the second adhesive tape and the first adhesive tape are designed in an "O" shape structure. Both the second adhesive tape and the first adhesive tape are double-sided cloth-based adhesive tapes. First easy-to-tear edges are provided at the corners of the outer surface of the second adhesive tape. The diaphragm is a PVC transparent soft film.

[0011] The internal fistula tourniquet of the present utility model has the following advantages:

[0012] 1. By providing a hemostatic block on the outside of the tourniquet body, the present utility model makes use of the advantages that the hemostatic block can absorb and store water, which can reduce the possibility of the tourniquet body being contaminated by blood, reduce the risk of infection, keep the tourniquet body relatively clean, and avoid repeated cleaning or even replacement of the whole tape, facilitating repeated use. In addition, the provided hemostatic block can also effectively help with hemostasis and improve the hemostasis effect.

[0013] 2. Through the provided isolation and fixing layer and the deformation piece, on the one hand, it is convenient for medical staff to disassemble and replace the hemostatic block, and on the other hand, it can bend and shape the hemostatic block to meet different hemostasis requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0015] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0016] Figure 2 is a side view of the overall structure of the present utility model;

[0017] Figure 3 is an exploded view of the partial structure of the present utility model;

[0018] Figure 4 is a cross-sectional view of the planar structure of the present utility model.

[0019] Description of the markings in the figure: 100, tourniquet body; 200, hook-and-loop fastener; 300, hemostatic block; 301, exhaust hole; 302, exhaust groove; 400, isolation and fixing layer; 401, first tape; 402, diaphragm; 403, second tape; 404, first tear edge; 500, deformation piece; 600, protective film; 601, second tear edge; 700, loop-and-loop fastener. Detailed implementation manners

[0020] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and the description are regarded as being exemplary in nature rather than restrictive.

[0021] In the description of the embodiments of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "length", "vertical", "horizontal", "top", "bottom", etc. are based on the orientation or positional relationships shown in the drawings. These are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the embodiments of the present invention.

[0022] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the embodiments of the present invention, "a plurality" means two or more unless otherwise specifically defined.

[0023] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "couple", "fix", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection, an electrical connection, or also a communication connection; it can be directly connected, or indirectly connected through an intermediate medium, and can be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0024] The following disclosure provides many different embodiments or examples for implementing different structures of the embodiments of the present utility model. To simplify the disclosure of the embodiments of the present utility model, components and settings of specific examples are described below. Of course, they are only examples and are not intended to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model may repeat reference numerals and / or reference letters in different examples. This repetition is for the purpose of simplification and clarity and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0025] To better understand the purpose, structure and function of the present utility model, the following further describes in detail an internal fistula tourniquet of the present utility model with reference to the accompanying drawings.

[0026] As Figures 1-4 shown, an internal fistula tourniquet of the present utility model includes a tourniquet body 100, a hook-and-loop fastener 200 and a loop-and-loop fastener 700. The hook-and-loop fastener 200 is disposed on one side of the upper surface of the tourniquet body 100, and the loop-and-loop fastener 700 is disposed on the lower surface of the tourniquet body 100 and away from the side of the hook-and-loop fastener 200. In this device, there is also included: a hemostatic mechanism located on the upper surface of the tourniquet body 100 and away from the side of the hook-and-loop fastener 200, which is used for adsorbing and storing blood.

[0027] Specifically, the hemostatic mechanism includes a deformation piece 500 and a hemostatic block 300. The hemostatic block 300 is located in the middle above the deformation piece 500. The lower surface of the deformation piece 500 is connected to the upper surface of the tourniquet body 100 and is used for bending and shaping the hemostatic block 300. The hemostatic mechanism further includes an isolation and fixing layer 400 located between the deformation piece 500 and the hemostatic block 300, which is used for connecting and fixing the deformation piece 500 and the hemostatic block 300 and preventing blood from penetrating onto the tourniquet body 100. The deformation piece 500 is made of copper material, and the hemostatic block 300 is a sponge body, and the sponge body is a chitosan hemostatic sponge. A plurality of exhaust holes 301 are arranged at equal intervals on the upper surface of the hemostatic block 300. The exhaust holes 301 are designed with a vertically through structure and a tapered structure, which is used for unidirectional output of the discharged gas to avoid gas backflow. Exhaust grooves 302 are provided on the lower surface of the hemostatic block 300 and at the positions of the respective exhaust holes 301, which are used to ensure that the hemostatic block 300 can be bent normally and cooperate with the provided exhaust holes 301 to discharge gas. The exhaust grooves 302 are communicated with the exhaust holes 301. A protective film 600 for intercepting external dust and impurities is provided in the middle of the upper surface of the hemostatic block 300. The protective film 600 is a transparent adhesive film, and a second easy-to-tear edge 601 is provided at the corner of the outer surface of the protective film 600, which is convenient for medical staff to quickly tear off the protective film 600.

[0028] Further, the isolation and fixing layer 400 includes a second adhesive tape 403, a diaphragm 402, and a first adhesive tape 401. The second adhesive tape 403, the diaphragm 402, and the first adhesive tape 401 are distributed from bottom to top in sequence. One end of the diaphragm 402 is connected to the deformation piece 500 through the second adhesive tape 403, and the other end of the diaphragm 402 is connected to the hemostatic block 300 through the first adhesive tape 401. Both the second adhesive tape 403 and the first adhesive tape 401 are designed in an "O" - shaped structure. Both the second adhesive tape 403 and the first adhesive tape 401 are double - sided cloth - based adhesive tapes. A first easy - tear edge 404 is provided at the corner of the outer surface of the second adhesive tape 403, which is convenient for medical staff to quickly tear off the isolation and fixing layer 400 and replace the hemostatic block 300. The diaphragm 402 is a PVC transparent soft film.

[0029] According to the above, the utility model reduces the possibility of the blood pressure cuff body 100 being contaminated by bloodstains, reduces the risk of infection, and keeps the blood pressure cuff body 100 relatively clean by arranging the hemostatic block 300 outside the blood pressure cuff body 100 and taking advantage of the water - absorption and water - storage advantages of the hemostatic block 300, so that it is not necessary to repeatedly clean or even replace the whole belt, which is convenient for repeated use. In addition, the arranged hemostatic block 300 can also effectively help stop bleeding and improve the hemostatic effect. The utility model arranges the isolation and fixing layer 400 and the deformation piece 500, on the one hand, it is convenient for medical staff to disassemble and replace the hemostatic block 300, and on the other hand, it can bend and shape the hemostatic block 300 to meet different hemostatic requirements.

[0030] It can be understood that the utility model is described through some embodiments. As is known to those skilled in the art, without departing from the spirit and scope of the utility model, various changes or equivalent replacements can be made to these features and embodiments. In addition, under the teaching of the utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the scope protected by the utility model.

Claims

1. An internal fistula tourniquet, comprising a tourniquet body (100), a hook-and-loop fastener hook (200) and a hook-and-loop fastener pile (700). The hook-and-loop fastener hook (200) is arranged on one side of the upper surface of the tourniquet body (100), and the hook-and-loop fastener pile (700) is arranged on the lower surface of the tourniquet body (100) and on the side far from the hook-and-loop fastener hook (200), and is characterized in that: It further includes: A hemostatic mechanism located on the upper surface of the tourniquet body (100) and away from the hook side of the Velcro (200), which is used for adsorbing and storing blood. The hemostatic mechanism includes a deformation sheet (500) and a hemostatic block (300). The hemostatic block (300) is located in the middle above the deformation sheet (500), and the lower surface of the deformation sheet (500) is connected to the upper surface of the tourniquet body (100).

2. The internal fistula tourniquet according to claim 1, wherein: The hemostatic mechanism further includes an isolation and fixation layer (400) located between the deformation sheet (500) and the hemostatic block (300). The deformation sheet (500) is made of copper material, the hemostatic block (300) is a sponge body, and the sponge body is a chitosan hemostatic sponge.

3. The internal fistula tourniquet according to claim 1, wherein: A plurality of exhaust holes (301) are arranged at equal intervals on the upper surface of the hemostatic block (300). The exhaust holes (301) are designed with a vertically penetrating structure and a conical structure. Exhaust grooves (302) are provided on the lower surface of the hemostatic block (300) at the positions of the exhaust holes (301), and the exhaust grooves (302) are communicated with the exhaust holes (301).

4. The internal fistula tourniquet according to claim 1, characterized in that: A protective film (600) for intercepting external dust and impurities is arranged in the middle of the upper surface of the hemostatic block (300). The protective film (600) is a transparent adhesive film, and a second easy-to-tear edge (601) is arranged at the corner of the outer surface of the protective film (600).

5. The internal fistula tourniquet according to claim 2, characterized in that: The isolation and fixation layer (400) includes a second tape (403), a diaphragm (402), and a first tape (401). The second tape (403), the diaphragm (402), and the first tape (401) are distributed from bottom to top in sequence. One end of the diaphragm (402) is connected to the deformation sheet (500) through the second tape (403), and the other end of the diaphragm (402) is connected to the hemostatic block (300) through the first tape (401).

6. The internal fistula tourniquet according to claim 5, characterized in that: Both the second tape (403) and the first tape (401) are designed with an "O" - shaped structure. Both the second tape (403) and the first tape (401) are double - sided cloth - based tapes. A first easy - to - tear edge (404) is arranged at the corner of the outer surface of the second tape (403), and the diaphragm (402) is a PVC transparent soft film.

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