Hemodialysis internal fistula compression tourniquet
By adopting a combination design of the main belt body and sliding sleeve structure, pressure sensor and timer in the hemodialysis tourniquet, the problem that existing tourniquet is difficult to control and fix with one hand is solved, and one-handed wear and pressure control is achieved, improving It provides the reliability and convenience of hemostasis, and provides the timing function of compressing hemostasis time.
Patent Information
- Application Number
- CN202420118291.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-18
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-01-18
AI Technical Summary
Due to the lack of fixation during the bonding of existing hemodialysis tourniquets, it is difficult for users to control the enclosure and pressure of the belt with one hand, resulting in poor hemostatic effect.
A hemodialysis fistula compression tourniquet is designed, adopting a combined structure of the main belt body, the bottom sliding sleeve and the upper sliding sleeve, equipped with a pressure sensor and a timer. Through the design of connecting the belt and the insertion slot, one-handed wear is achieved. and pressure control, and fixed by Velcro male and female ends to ensure the stability and reliability of the belt.
It realizes convenient wear and pressure control with one hand, improves the reliability and convenience of hemostasis, and provides a timing function for compressing hemostasis time, enhancing the hemostasis effect.
Smart Images
Figure CN222130196U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of medical instruments, in particular to a hemodialysis internal fistula compression tourniquet. Background Art
[0002] Patients with chronic renal failure need hemodialysis treatment, which mainly establishes extracorporeal circulation through hemodialysis equipment. The patient's blood and dialysate are injected into the dialyzer at the same time, and the semi-permeable membrane diffusion effect of the dialyzer is used to remove small molecule metabolic waste and harmful substances in the blood, so as to correct the patient's water load, electrolyte disorder and acid-base imbalance. Patients usually establish an arteriovenous fistula to facilitate dialysis, and the hemostasis step after the completion of dialysis is particularly important. For this reason, many special hemodialysis tourniquets have appeared on the market. They are single belts with bondable ends. When bonding, because both ends are not fixed and swing freely, it is particularly difficult for the user to control the bonding of the two ends with one hand, and it is difficult to accurately control the pressure generated after the belt is enclosed, which leads to poor hemostasis effect. Utility Model Content
[0003] The purpose of the utility model is to provide a hemodialysis fistula compression tourniquet. The utility model can be worn with one hand and is convenient for the user to control the pressure, thereby improving the convenience of use and the reliability of compression hemostasis; in addition, the utility model can facilitate the user to know the duration of compression hemostasis.
[0004] The technical solution of the utility model is as follows: a hemodialysis fistula compression tourniquet comprises a main belt body, a bottom sliding sleeve is sleeved on the middle part of the main belt body, an upper sliding sleeve is sleeved on one end of the main belt body, a tightening belt is connected to the other end of the main belt body, and the other end of the tightening belt is fixedly connected to the bottom sliding sleeve; the two ends of the main belt body are detachably connected and enclosed together with the tightening belt to form an inner ring cavity; a pressure sensor which is in contact with the bottom surface of the main belt body is provided on the upper part of the inner ring cavity, and the pressure sensor is fixedly connected to the upper sliding sleeve via a connecting belt; a timer is provided on the outer side of the upper sliding sleeve.
[0005] In the above-mentioned hemodialysis fistula compression tourniquet, the pressure sensor is connected to a pressure value display.
[0006] In the aforementioned hemodialysis fistula compression tourniquet, an insert block is provided at the end of the connecting belt, and slots adapted to the insert block are provided on both sides of the upper sliding sleeve.
[0007] In the aforementioned hemodialysis fistula compression tourniquet, the slot is arranged transversely, and one end facing the end of the main belt body passes through the upper sliding sleeve, and the other end away from the end of the main belt body is closed.
[0008] In the aforementioned hemodialysis fistula compression tourniquet, the slot has a trapezoidal cross-section, and the insert block is a trapezoidal block adapted to the slot.
[0009] In the aforementioned hemodialysis fistula compression tourniquet, the inner side surface of the bottom sliding sleeve is an inwardly concave arc surface, and the outer side surface of the bottom sliding sleeve is a plane and has a rubber layer.
[0010] In the aforementioned hemodialysis fistula compression tourniquet, the side of the main belt body is provided with an information card socket, the outer side of the main belt body and the information card socket are connected to the opening of the tube, and a transparent sheet is provided on the opening.
[0011] In the aforementioned hemodialysis fistula compression tourniquet, the inner side surface of the main belt body is provided with a Velcro male end, and the outer side surface of the main belt body is provided with a Velcro female end adapted to the Velcro male end.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] 1. The utility model has a bottom sliding sleeve in the middle of the main belt body, an upper sliding sleeve at one end of the main belt body, a tightening belt connected to the other end of the main belt body, and the other end of the tightening belt is fixedly connected to the bottom sliding sleeve; the two ends of the main belt body are detachably connected and enclosed together with the tightening belt to form an inner ring cavity; the upper part of the inner ring cavity is provided with a pressure sensor that fits the bottom surface of the main belt body, and the pressure sensor is fixedly connected to the upper sliding sleeve via a connecting belt; a timer is provided on the outer side of the upper sliding sleeve; when in use, the patient's arm is first inserted into the inner ring cavity until the hemostasis position is compressed, and at this time, the pressure sensor contacts the skin around the hemostasis position to squeeze and obtain pressure The size of the arm is then placed on a fixed plane. After the arm is relaxed, its own weight squeezes the bottom sliding sleeve to fix it on the plane. At this time, the upper and lower parts of the main belt body are respectively limited by the bottom sliding sleeve and the upper sliding sleeve to ensure that the end positions are fixed without shaking, which is convenient for grasping. Then, the end of the main belt body is pulled, and the main belt body drives the inner ring cavity to contract to compress the patient's arm to stop bleeding. During the process, the pressure sensor component receives the pressure size in real time, and when the appropriate pressure is reached, the end of the main belt body is connected to achieve fixation. The utility model can be worn with one hand and is convenient for the user to control the pressure size, thereby improving the convenience of use and the reliability of compression and hemostasis.
[0014] 2. A timer is provided on the outer side of the upper sliding sleeve of the utility model, which is located at the top for easy observation, so that the user can quickly know the duration of compression hemostasis, further improving practicality.
[0015] 3. The end of the connecting belt of the utility model is provided with an insert block, and both sides of the upper sliding sleeve are provided with slots adapted to the insert block. The cooperation between the slot and the insert block facilitates disassembly, so that the timer can be removed separately for replacement or maintenance; the slot is arranged horizontally, and the end facing the end of the main belt body passes through the upper sliding sleeve, and the end away from the end of the main belt body is closed. When the end of the main belt body is pulled, the slot of the upper sliding sleeve will not be driven to separate from the insert block, and the reliability of use is good. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural schematic diagram of the utility model;
[0017] Figure 2 It is a structural schematic diagram of the bottom of the utility model.
[0018] The markings in the attached drawings are: 1-main belt body; 2-bottom sliding sleeve; 3-upper sliding sleeve; 4-Male end of Velcro; 5-inner ring cavity; 7-female end of Velcro; 8-timer; 9-pressure sensor; 10-pressure value display; 11-connecting belt; 12-insertion block; 13-slot; 14-information card socket; 15-opening; 16-transparent sheet; 17-tightening belt. DETAILED DESCRIPTION
[0019] The present invention is further described below in conjunction with the accompanying drawings and embodiments, but they are not intended to limit the present invention.
[0020] Embodiment: A hemodialysis fistula compression tourniquet, as shown in the attached Figure 1 and attached Figure 2As shown, it comprises a main belt body 1, a bottom sleeve 2 is sleeved on the middle part of the main belt body 1, an upper sleeve 3 is sleeved on one end of the main belt body 1, a tightening belt 17 is connected to the other end of the main belt body 1, and the other end of the tightening belt 17 is fixedly connected to the bottom sleeve 2; the two ends of the main belt body 1 are detachably connected and enclosed together with the tightening belt 17 to form an inner ring cavity 5; a pressure sensor 9 located on the bottom surface of the main belt body 1 is bonded to the upper part of the inner ring cavity 5, and the pressure sensor 9 is fixedly connected to the upper sleeve 3 via a connecting belt 11; a timer 8 is integrally formed on the outer side of the upper sleeve 3; a pressure value display 10 is connected to the pressure sensor 9 via a circuit, and a voltage change is generated when the pressure sensor is pressurized, which is obtained by the pressure value display and converted into a pressure value for display, which is a technical means well known and mastered by those skilled in the art and will not be described in detail here; an insert block 12 is bonded to the end of the connecting belt 11, and slots 13 adapted to the insert block 12 are provided on both sides of the upper sleeve 3; The slot 13 is arranged horizontally, and one end facing the end of the main belt body 1 passes through the upper sliding sleeve 3, and the end away from the end of the main belt body 1 is closed; the cross-section of the slot 13 is a trapezoidal shape, and the plug block 12 is a trapezoidal block adapted to the slot 13, which improves the reliability of the connection and prevents separation; the inner side surface of the bottom sliding sleeve 2 is a concave arc surface, which fits the curvature of the arm, and the outer side surface of the bottom sliding sleeve 2 is a plane and has a rubber layer, which fits with a fixed plane such as a desktop and can generate sufficient friction to prevent sliding; the side of the main belt body 1 is provided with an information card socket 14, and the outer side surface of the main belt body 1 is connected to the information card socket 14. The opening 15 is sewn with a transparent sheet 16, which can prevent the patient information card from being inserted, so that medical staff can directly observe and understand the patient's basic information; the inner side surface of the main belt body 1 is sewn with a Velcro male end 4, and the outer side surface of the main belt body 1 is sewn with a Velcro female end 7 adapted to the Velcro male end 4. After the main belt body is pulled to a suitable position, the two are bonded and fixed.
[0021] Working principle: when in use, first put the patient's arm into the inner ring cavity until it reaches the compression hemostasis position. At this time, the pressure sensor contacts the skin around the hemostasis position to obtain the pressure size, and then the bottom sliding sleeve is placed on a fixed plane. After the arm is relaxed, its own weight squeezes the bottom sliding sleeve to fix it on the plane. At this time, the upper and lower parts of the main belt body are respectively limited by the bottom sliding sleeve and the upper sliding sleeve to ensure that the end position is fixed without shaking, which is convenient for grasping. Then, the end of the main belt body is pulled, and the main belt body drives the inner ring cavity to contract to compress the patient's arm to stop bleeding. During the process, the pressure sensing component receives the pressure size in real time, and when the appropriate pressure is reached, the end of the main belt body is connected to achieve fixation. The utility model can be worn with one hand and is convenient for users to control the pressure size, thereby improving the convenience of use and the reliability of compression hemostasis.
[0022] The above embodiments only express the implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. In this embodiment, up, down, left, right, front, and back only represent their relative positions and do not represent their absolute positions. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.
Claims
1. A hemodialysis fistula compression tourniquet, Features: The invention comprises a main belt body (1), wherein a bottom sliding sleeve (2) is sleeved on the middle part of the main belt body (1), an upper sliding sleeve (3) is sleeved on one end of the main belt body (1), and a tightening belt (17) is connected to the other end of the main belt body (1), and the other end of the tightening belt (17) is fixedly connected to the bottom sliding sleeve (2); the two ends of the main belt body (1) are detachably connected and enclose together with the tightening belt (17) to form an inner ring cavity (5); a pressure sensor (9) is provided on the upper part of the inner ring cavity (5) and is in contact with the bottom surface of the main belt body (1), and the pressure sensor (9) is fixedly connected to the upper sliding sleeve (3) via a connecting belt (11); and a timer (8) is provided on the outer side surface of the upper sliding sleeve (3).
2. The hemodialysis fistula compression tourniquet according to claim 1, Features: The pressure sensor (9) is connected to a pressure value display (10).
3. The hemodialysis fistula compression tourniquet according to claim 1, Features: An insert block (12) is provided at the end of the connecting belt (11), and slots (13) matching the insert block (12) are provided on both sides of the upper sliding sleeve (3).
4. The hemodialysis fistula compression tourniquet according to claim 3, Features: The slot (13) is arranged transversely, and one end facing the end of the main belt body (1) passes through the upper sliding sleeve (3), while the other end away from the end of the main belt body (1) is closed.
5. The hemodialysis fistula compression tourniquet according to claim 3, Features: The slot (13) has a trapezoidal cross section, and the insert block (12) is a trapezoidal block adapted to the slot (13).
6. The hemodialysis fistula compression tourniquet according to claim 1, Features: The inner side surface of the bottom sliding sleeve (2) is an inwardly concave arc surface, and the outer side surface of the bottom sliding sleeve (2) is a plane surface and has a rubber layer.
7. The hemodialysis fistula compression tourniquet according to claim 1, Features: The side of the main belt body (1) is provided with an information card insertion port (14), the outer side surface of the main belt body (1) and the information card insertion port (14) are connected to the opening (15) of the tube, and a transparent sheet (16) is provided on the opening (15).
8. The hemodialysis fistula compression tourniquet according to claim 1, Features: The inner side surface of the main belt body (1) is provided with a Velcro male end (4), and the outer side surface of the main belt body (1) is provided with a Velcro female end (7) adapted to the Velcro male end (4).