Hemodialysis arm shield convenient to wear

Abstract

The utility model discloses a hemodialysis arm shield convenient to wear, and relates to the technical field of medical instruments. The hemodialysis arm shield convenient to wear comprises a first shell and a second shell hinged to the top of the first shell, fixing mechanisms are arranged on the inner side of the first shell and the inner side of the second shell, and an anti-falling mechanism is arranged on the outer wall of the second shell. The anti-falling mechanism can effectively limit movement of the dialysis tube and prevent the dialysis tube from being bent after a needle head of the dialysis tube is inserted into a blood vessel of an arm of a patient, the problems of unsmooth dialysis fluid delivery and the like caused by movement of the dialysis tube and the adverse effect of bending on the blood vessel of the arm of the patient are solved, and it is guaranteed that dialysis treatment is conducted smoothly; in addition, the dialysis tube can be further stably fixed by controlling the downward pressing of the downward pressing ring, and a powerful guarantee is provided for the stability of the dialysis tube in the whole dialysis process through multiple fixing modes.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely is a blood dialysis arm shield convenient to wear. BACKGROUND

[0002] Blood dialysis is one of renal replacement therapy methods of acute and chronic renal failure patients, it is through the blood in the body is drained to the outside of the body, in a dialyzer composed of innumerable hollow fibers, blood and dialysate in or outside a root hollow fiber, through dispersion or convection material exchange, remove the metabolic waste in the body, maintain electrolyte and acid-base balance, simultaneously remove the excessive water in the body, and the whole process of back to the purified blood is called blood dialysis;

[0003] When blood dialysis is carried out to the arm, arm shield is needed to be used to assist;

[0004] The existing arm shield will face the problem of bending of dialysis tube in the use process, after dialysis tube is inserted into the blood vessel of the arm of the patient, along with the natural activity of the arm of the patient or the inadvertent pulling of medical treatment operation, dialysis tube is easy to appear bending condition, thereby possibly damaging dialysis tube, influencing service life, also can cause additional pulling to the blood vessel of the arm of the patient, brings the discomfort to the patient even causes more serious medical risk, therefore, a blood dialysis arm shield convenient to wear is proposed UTILITY MODEL CONTENT

[0005] (I) the technical problem solved

[0006] In view of the deficiency of prior art, the utility model provides a blood dialysis arm shield convenient to wear, solves the problem that the existing arm shield will face the bending of dialysis tube in the use process.

[0007] (II) technical scheme

[0008] To realize above-mentioned purpose, the utility model passes through following technical scheme to realize: including first shell and first shell top hinged second shell, the first shell and second shell inboard are all provided with fixed mechanism, the second shell outer wall is provided with anti-drop mechanism;

[0009] The anti-drop mechanism is located above the fixed mechanism;

[0010] The anti-drop mechanism includes fixed part and moving part;

[0011] Fixed part includes fixed frame and lower pressing ring, and moving part includes moving frame and reinforcing ring;

[0012] The second shell top surface opening is provided, the second shell outer wall is fixedly provided with a fixing frame, the inner side surface of the fixing frame is fixedly provided with a supporting ring, the inner side surface of the second shell is fixedly provided with two slide rails, the surfaces of the two slide rails are respectively slidably provided with two connecting sleeves, the top surfaces of the two connecting sleeves are fixedly connected with the bottom surface of a moving frame, and the side surface, away from the fixing frame, of the moving frame is fixedly connected with the outer wall of a reinforcing ring

[0013] Preferably, the fixing mechanism comprises a fixing ring, the outer wall of the fixing ring is fixedly connected with the inner side surface of the first shell, the inner side surface of the second shell is fixedly provided with two springs and two dampers, the bottom surfaces of the two springs and the two dampers are fixedly provided with extrusion rings, the extrusion rings are located above the fixing ring, and the outer wall of the second shell is provided with an opening.

[0014] Preferably, the top surface of the fixing frame is provided with a threaded rod extending to the inner side of the fixing frame, the bottom surface of the threaded rod is fixedly connected with the top surface of a pressing ring, the top surface of the fixing frame is rotatably provided with a nut through a bearing seat, and the inner side surface of the nut is threadedly connected with the surface of the threaded rod.

[0015] Preferably, the top surface of the pressing ring is fixedly provided with a limiting plate, and the top surface of the limiting plate slidably penetrates through the top surface of the inner side of the fixing frame and extends above the fixing frame.

[0016] Preferably, the outer wall of the second shell is fixedly provided with a fixed frame, the outer wall of the moving frame is fixedly provided with a connecting frame, the outer wall of the connecting frame is slidably connected with the inner side surface of the fixed frame, the outer wall of the fixed frame is provided with a through groove, the inner wall of the through groove is provided with a bolt, one side surface of the bolt close to the connecting frame threadedly penetrates through the outer wall of the connecting frame and extends to the inside of the connecting frame, the surface of the bolt is fixedly provided with an extrusion plate, and one side surface of the extrusion plate close to the fixed frame is in contact with the outer wall of the fixed frame.

[0017] Preferably, the outer wall of the first shell is fixedly provided with a first mounting plate, the outer wall of the second shell is fixedly provided with a second mounting plate, the bottom surface of the second mounting plate is in contact with the top surface of the first mounting plate, the top surface of the second mounting plate is provided with a insertion slot, the bottom surface of the first mounting plate is provided with a wedge-shaped slot, the wedge-shaped slot is slidably provided with a wedge-shaped block, the bottom surface of the wedge-shaped block is fixedly provided with a control frame, the top surface of the control frame is slidably provided with an insertion plate penetrating through and extending to the inner wall of the insertion slot, and the top surface of the insertion plate is fixedly provided with a connecting plate.

[0018] (Three) beneficial effects

[0019] The blood dialysis arm shield is convenient to wear and has the following beneficial effects.

[0020] (i) This easy-to-wear hemodialysis arm shield has an anti-dislodgement mechanism that effectively restricts the movement of the dialysis catheter and prevents it from bending after the needle of the dialysis catheter is inserted into the patient's arm blood vessel. This avoids problems such as poor dialysis fluid delivery caused by the movement of the dialysis catheter and the adverse effects of bending on the patient's arm blood vessel, ensuring the smooth progress of dialysis treatment. Furthermore, by controlling the downward pressure of the pressure ring, the dialysis catheter can be further stabilized and fixed. Through multiple fixing methods, the stability of the dialysis catheter is strongly guaranteed throughout the dialysis process, reducing the shaking and displacement of the dialysis catheter caused by external factors, and improving the reliability and safety of dialysis treatment.

[0021] (ii) The easy-to-wear hemodialysis arm shield has a fixing mechanism that can easily fix the first outer shell and the second outer shell. The operation is simple and efficient, which greatly improves the efficiency of medical staff to put the shield on patients and saves treatment preparation time. At the same time, it can adaptively adjust the tightness according to the actual situation of the arm, ensuring that the shield fits the arm tightly and prevents it from loosening and slipping off. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the internal structure of the fixing mechanism of this utility model;

[0024] Figure 3 This is a schematic diagram of the anti-detachment mechanism of this utility model;

[0025] Figure 4 This is a schematic diagram of the internal structure of the anti-detachment mechanism of this utility model;

[0026] Figure 5 This utility model Figure 2 Enlarged structural diagram of area A in the middle;

[0027] Figure 6 This utility model Figure 4 Enlarged structural diagram of region B.

[0028] In the diagram: 1. First outer shell; 2. Anti-detachment mechanism; 21. Support ring; 22. Fixing frame; 23. Nut; 24. Threaded rod; 25. Moving frame; 26. Reinforcing ring; 27. Slide rail; 28. Fixing frame; 29. ​​Connecting sleeve; 210. Limiting plate; 211. Lower pressure ring; 212. Connecting frame; 213. Extrusion plate; 214. Bolt; 3. Second outer shell; 4. Fixing mechanism; 41. Spring; 42. Damper; 43. Fixing ring; 44. Extrusion ring; 45. Insert plate; 46. Connecting plate; 47. Control frame; 48. First mounting plate; 49. Second mounting plate; 410. Wedge block. Detailed Implementation

[0029] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] Please refer to Figures 1-6 The present application provides a technical scheme: comprising a first shell 1 and a second shell 3 hinged on the top of the first shell 1, the inner side of the first shell 1 and the second shell 3 is provided with a fixing mechanism 4, the outer wall of the second shell 3 is provided with an anti-off mechanism 2;

[0031] The anti-off mechanism 2 is located above the fixing mechanism 4;

[0032] The anti-off mechanism 2 comprises a fixed part and a moving part;

[0033] The fixed part comprises a fixed frame 22 and a lower pressing ring 211, and the moving part comprises a moving frame 25 and a reinforcing ring 26;

[0034] The top surface of the second shell 3 is provided with an opening, the outer wall of the second shell 3 is fixedly provided with a fixed frame 22, the inner side surface of the fixed frame 22 is fixedly provided with a supporting ring 21, the inner side surface of the second shell 3 is fixedly provided with two slide rails 27, the surfaces of the two slide rails 27 are respectively slidably provided with two connecting sleeves 29, the top surfaces of the two connecting sleeves 29 are fixedly connected with the bottom surface of the moving frame 25, the side surface of the moving frame 25 away from the fixed frame 22 is fixedly connected with the outer wall of the reinforcing ring 26, the top surface of the fixed frame 22 is provided with a threaded rod 24 extending to the inner side of the fixed frame 22, the bottom surface of the threaded rod 24 is fixedly connected with the top surface of the lower pressing ring 211, the top surface of the fixed frame 22 is rotatably provided with a nut 23 through a bearing seat, the inner side surface of the nut 23 is threadedly connected with the surface of the threaded rod 24, the top surface of the lower pressing ring 211 is fixedly provided with a limiting plate 210, the top surface of the limiting plate 210 slidably penetrates the inner side top surface of the fixed frame 22 and extends above the fixed frame 22, the outer wall of the second shell 3 is fixedly provided with a fixed frame 28, the outer wall of the moving frame 25 is fixedly provided with a connecting frame 212, the outer wall of the connecting frame 212 is slidably connected with the inner side surface of the fixed frame 28, the outer wall of the fixed frame 28 is provided with a through slot, the inner wall of the through slot is provided with a bolt 214, the side surface of the bolt 214 near the connecting frame 212 is threadedly penetrated through the outer wall of the connecting frame 212 and extends to the inside of the connecting frame 212, the surface of the bolt 214 is fixedly provided with an extrusion plate 213, the side surface of the extrusion plate 213 near the fixed frame 28 is in contact with the outer wall of the fixed frame 28;

[0035] The fixing mechanism 4 comprises a fixing ring 43, the outer wall of which is fixedly connected with the inner side of the first shell 1, the inner side of the second shell 3 is fixedly provided with two springs 41 and two dampers 42, the bottom surface of each of the two springs 41 and the two dampers 42 is fixedly provided with a pressing ring 44, the pressing ring 44 is located above the fixing ring 43, the outer wall of the second shell 3 is provided with an opening, the outer wall of the first shell 1 is fixedly provided with a first mounting plate 48, the outer wall of the second shell 3 is fixedly provided with a second mounting plate 49, the bottom surface of the second mounting plate 49 is in contact with the top surface of the first mounting plate 48, the top surface of the second mounting plate 49 is provided with a slot, and the bottom surface of the first mounting plate 48 is provided with a wedge-shaped groove, the inner wall of the wedge-shaped groove is slidably provided with a wedge-shaped block 410, the bottom surface of the wedge-shaped block 410 is fixedly provided with a control frame 47, the top surface of the control frame 47 is slidably and penetratively provided with an extension of an insertion plate 45 into the inner wall of the slot, and the top surface of the insertion plate 45 is fixedly provided with a connecting plate 46.

[0036] In use, the patient's arm is placed inside the first shell 1 so as to be located inside the fixing ring 43, and after the placement is completed, the second shell 3 is covered on the first shell 1, and after the covering, the second mounting plate 49 is located above the first mounting plate 48, the control frame 47 is manually moved to one side of the second shell 3, the insertion plate 45 is synchronously moved when the control frame 47 is moved, the insertion plate 45 is inserted into the inner wall of the slot by gravity after the insertion plate 45 is moved to the position of the slot, the first shell 1 and the second shell 3 are fixed after the insertion plate 45 is inserted into the inner wall of the slot due to the connection between the control frame 47 and the first mounting plate 48 through the wedge-shaped block 410, and the pressing ring 44 is moved downward by the two springs 41 and the two dampers 42 after the fixing is completed, the inner side of the pressing ring 44 is in contact with the arm when the pressing ring 44 is moved downward, thereby fixing the first shell 1 and the second shell 3 above the arm;

[0037] After the first shell 1 and the second shell 3 are fixed above the arm, the dialysis tube is sequentially passed through the inside of the fixing frame 22 and the reinforcing ring 26, so that the needle of the dialysis tube can be located outside the arm wall, the needle of the dialysis tube is inserted into the blood vessel of the patient's arm, and the dialysis tube moves during the insertion process, which can drive the reinforcing ring 26 and the moving frame 25 to move synchronously, the moving frame 25 can drive the connecting frame 212 to move synchronously during movement, the bolt 214 is tightened after the needle of the dialysis tube is inserted into the blood vessel of the patient's arm, which can make the extrusion ring 44 in contact with the outer wall of the fixed frame 28 on one side of the fixed frame 28, thereby fixing the connecting frame 212, and after the connecting frame 212 is fixed, the moving frame 25 and the reinforcing ring 26 can be fixed, and after the reinforcing ring 26 is fixed, the dialysis tube can be prevented from moving, so that it can be prevented from being bent, and the nut 23 is manually controlled to rotate, and when the nut 23 rotates, the lower pressing ring 211 can be moved downward through the threaded rod 24 and the limiting plate 210, and when the lower pressing ring 211 moves downward, the dialysis tube located inside the fixed frame 22 can be fixed through the supporting ring 21, thereby preventing the dialysis tube from moving.

[0038] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0039] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A wearable hemodialysis arm shield, comprising a first outer shell (1) and a second outer shell (3) hinged to the top of the first outer shell (1), characterized in that: The first outer shell (1) and the second outer shell (3) are both provided with fixing mechanisms (4), and the outer wall of the second outer shell (3) is provided with an anti-detachment mechanism (2). The anti-detachment mechanism (2) is located above the fixing mechanism (4); The anti-detachment mechanism (2) includes a fixed part and a movable part; The fixed part includes a fixed frame (22) and a pressure ring (211), and the movable part includes a movable frame (25) and a reinforcing ring (26). The second outer shell (3) has an opening on its top surface. A fixed frame (22) is fixedly installed on the outer wall of the second outer shell (3). A support ring (21) is fixedly installed on the inner side of the fixed frame (22). Two slide rails (27) are fixedly installed on the inner side of the second outer shell (3). Two connecting sleeves (29) are slidably sleeved on the surfaces of the two slide rails (27). The top surfaces of the two connecting sleeves (29) are fixedly connected to the bottom surface of the movable frame (25). The side of the movable frame (25) away from the fixed frame (22) is fixedly connected to the outer wall of the reinforcing ring (26).

2. The wearable hemodialysis arm shield according to claim 1, characterized in that: The fixing mechanism (4) includes a fixing ring (43), the outer wall of the fixing ring (43) is fixedly connected to the inner side of the first outer shell (1), and two springs (41) and two dampers (42) are fixedly arranged on the inner side of the second outer shell (3). A compression ring (44) is fixedly arranged on the bottom surface of the two springs (41) and the two dampers (42). The compression ring (44) is located above the fixing ring (43), and the outer wall of the second outer shell (3) is open.

3. The wearable hemodialysis arm shield according to claim 1, characterized in that: A threaded rod (24) is provided through the top surface of the fixed frame (22) and extends to the inside of the fixed frame (22). The bottom surface of the threaded rod (24) is fixedly connected to the top surface of the lower pressure ring (211). A nut (23) is rotatably provided on the top surface of the fixed frame (22) through a bearing seat. The inner side of the nut (23) is threadedly connected to the surface of the threaded rod (24).

4. The wearable hemodialysis arm shield according to claim 3, characterized in that: The top surface of the pressure ring (211) is fixedly provided with a limiting plate (210), and the top surface of the limiting plate (210) slides through the inner top surface of the fixing frame (22) and extends to the top of the fixing frame (22).

5. The wearable hemodialysis arm shield according to claim 1, characterized in that: The outer wall of the second outer shell (3) is fixedly provided with a fixed frame (28), and the outer wall of the movable frame (25) is fixedly provided with a connecting frame (212). The outer wall of the connecting frame (212) is slidably connected to the inner side of the fixed frame (28). The outer wall of the fixed frame (28) is provided with a through groove, and the inner wall of the through groove is provided with a bolt (214). The bolt (214) is threaded through the outer wall of the connecting frame (212) and extends into the interior of the connecting frame (212). The surface of the bolt (214) is fixedly fitted with a pressing plate (213), and the side of the pressing plate (213) near the fixed frame (28) is in contact with the outer wall of the fixed frame (28).

6. A wearable hemodialysis arm shield according to claim 2, characterized in that: The outer wall of the first housing (1) is fixedly provided with a first mounting plate (48), and the outer wall of the second housing (3) is fixedly provided with a second mounting plate (49). The bottom surface of the second mounting plate (49) is in contact with the top surface of the first mounting plate (48). The top surface of the second mounting plate (49) is provided with a slot. The bottom surface of the first mounting plate (48) is provided with a wedge-shaped groove. A wedge-shaped block (410) is slidably provided on the inner wall of the wedge-shaped groove. A control frame (47) is fixedly provided on the bottom surface of the wedge-shaped block (410). An insert plate (45) is slidably provided through the top surface of the control frame (47) and extends to the inner wall of the slot. A connecting plate (46) is fixedly provided on the top surface of the insert plate (45).

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