Hemodialysis catheter clamping device

Abstract

The utility model relates to the technical field of medical instruments, in particular to a hemodialysis catheter clamping device which can respectively clamp a plurality of hemodialysis catheters, effectively arrange the catheters, avoid disorder and facilitate operation of medical staff. Comprising a fixing ring, a clamping mechanism, a sliding mechanism, a position adjusting mechanism and a fixing assembly, the clamping mechanism is installed on the inner wall of the fixing ring, the clamping mechanism comprises a plurality of protruding blocks, a plurality of lead screws, a plurality of moving blocks, a plurality of U-shaped pieces and a plurality of sets of guide sliding rods, the bottom of the fixing ring is installed on the sliding mechanism, the sliding mechanism is installed on the position adjusting mechanism, and the position adjusting mechanism is installed on the fixing assembly. And a fixing assembly is mounted at the bottom of the position adjusting mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a hemodialysis catheter clamping device. Background Technique

[0002] Hemodialysis is one of the kidney replacement treatment methods for patients with acute and chronic renal failure. Hemodialysis treatment requires the use of hemodialysis catheters. During hemodialysis, it is often necessary to fix the hemodialysis catheters to prevent the catheters from slipping during dialysis work and affecting the dialysis work. A hemodialysis room nursing pipeline clamping device proposed in the prior art with the publication number CN215652974U includes a workbench, on which a fixed shell is rotatably connected. A through hole is provided on the fixed shell, and a pair of clamping components are arranged in the through hole. A driving mechanism is arranged in the fixed shell, and the driving mechanism drives the clamping components to slide. The driving mechanism includes a positive and negative screw rod and a driving motor. The two clamping components are respectively threadedly connected to both sides of the positive and negative screw rod, and the driving motor drives the positive and negative screw rod to rotate. However, there are multiple hemodialysis catheters involved, and the prior art disclosure is not convenient for clamping and fixing multiple hemodialysis catheters and is not convenient for better clamping. Summary of the Utility Model

[0003] To solve the above technical problems, the utility model provides a hemodialysis catheter clamping device that can separately clamp multiple hemodialysis catheters, effectively organize and arrange the catheters, avoid chaos, and facilitate the operation of medical staff.

[0004] A hemodialysis catheter clamping device of the utility model includes a fixed ring, a clamping mechanism, a sliding mechanism, a position adjustment mechanism, and a fixing component. The clamping mechanism is installed on the inner wall of the fixed ring. The bottom of the fixed ring is installed on the sliding mechanism, the sliding mechanism is installed on the position adjustment mechanism, and the bottom of the position adjustment mechanism is installed with a fixing component; the device is installed on the hospital bed armrest or infusion support through the fixing component, which is convenient for flexible use. The position of the fixed ring can be adjusted through the position adjustment mechanism, which is convenient for adjustment according to the actual use situation. At the same time, the clamping mechanism can separately clamp multiple hemodialysis catheters, effectively organize and arrange the catheters, avoid chaos, and facilitate the operation of medical staff. The sliding mechanism can enable the fixed ring to have a certain moving space, which is convenient for the patient's arm to move and reduces the discomfort during long-term static placement.

[0005] Preferably, the clamping mechanism includes a plurality of bumps, a plurality of lead screws, a plurality of moving blocks, a plurality of U-shaped pieces and multiple groups of guiding slide bars. The plurality of bumps are evenly installed on the inner wall of the fixed ring. An arc-shaped groove is provided on the bump. The plurality of lead screws are rotatably installed on the fixed ring on one side of the bump. One end of the lead screw is provided with a knob. The middle part of the moving block is screwed on the outer wall of the lead screw. Guiding slide bars are symmetrically installed on the inner wall of the fixed ring before and after the lead screw. The front and rear ends of the moving block are slidably installed on the guiding slide bars. The U-shaped piece is fixedly installed at the bottom of the moving block. The hemodialysis catheter is respectively placed between the U-shaped piece and the bump. Rotating the knob drives the lead screw to rotate, drives the moving block to move upward on the guiding slide bar, and the moving block drives the U-shaped piece to move towards the bump to cooperate with the arc-shaped groove to clamp the hemodialysis catheter, which can clamp multiple hemodialysis catheters respectively, effectively sort and arrange the catheters, avoid chaos, and facilitate the operation of medical staff.

[0006] Preferably, a plurality of buffer springs are evenly connected to the inner wall of the U-shaped piece, and the upper ends of the buffer springs are fixedly connected with a U-shaped pressing plate; the clamping force is adjusted through the buffer springs and the U-shaped pressing plate to avoid damaging the catheter and at the same time prevent the catheter from slipping.

[0007] Preferably, the sliding mechanism includes a moving beam and a limiting slider. The limiting slider is located at the bottom of the fixed ring. A sliding groove is formed at the top of the moving beam. The limiting slider is slidably installed in the sliding groove; through the cooperation of the limiting slider and the moving beam, the fixed ring can have a certain moving space, which is convenient for the patient's arm to move and reduces the discomfort during long-term static placement.

[0008] Preferably, the top of the limiting slider is connected to the fixed ring through a turntable; through the turntable, the fixed ring can rotate on the limiting slider, which is convenient for adjusting the use angle and improves the practicability.

[0009] Preferably, the position adjustment mechanism includes a telescopic sleeve, two inclined rods, a support rod, a fixing bolt and a nut. The top of the telescopic sleeve is fixedly connected to the middle of the bottom end of the moving beam. Inclined rods are obliquely connected between the left and right side walls of the telescopic sleeve and the bottom of the moving beam. The support rod is slidably installed inside the telescopic sleeve. A plurality of adjustment holes are evenly formed on the support rod. A limiting hole is formed at the lower part of the telescopic sleeve. The fixing bolt is inserted into the limiting hole and the adjustment hole to connect the telescopic sleeve and the support rod. The nut is screwed on the rear part of the fixing bolt; the connection strength between the telescopic sleeve and the moving beam is increased through the inclined rods to improve the service life. The telescopic sleeve slides on the support rod. The fixing bolt is inserted into the limiting hole and the adjustment hole to connect the telescopic sleeve and the support rod. The nut is tightened on the fixing bolt, which is convenient for adjusting the use position and improves the convenience during use.

[0010] Preferably, the fixing component includes two fixing arc plates, two clamping screws and two clamping plates. The two fixing arc plates are fixedly installed at the left and right ends of the bottom of the support rod. The clamping screws are screwed in the middle of the fixing arc plates. A clamping plate is rotatably installed between the two clamping screws. Place the support rod on the armrest of the hospital bed or the infusion support, rotate the clamping screws to drive the two clamping plates to approach each other, and fix the support rod, which is convenient for disassembly and use and improves practicability.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: The device is installed on the armrest of the hospital bed or the infusion support through the fixing component, which is convenient for flexible use. The position of the fixing ring can be adjusted through the position adjustment mechanism, which is convenient for adjustment according to the actual use situation. At the same time, the clamping mechanism can separately clamp multiple hemodialysis catheters, effectively organize and arrange the catheters, avoid chaos, and facilitate the operation of medical staff. The sliding mechanism can make the fixing ring have a certain moving space, facilitate the movement of the patient's arm, and reduce the discomfort during long-term static placement. Brief Description of the Drawings

[0012] Figure 1 is the structural schematic diagram of the present utility model;

[0013] Figure 2 is the axonometric structural schematic diagram of the present utility model;

[0014] Figure 3 is the front view structural schematic diagram of the present utility model;

[0015] Figure 4 is the right view sectional structural schematic diagram of the present utility model;

[0016] Figure 5 is the Figure 3 enlarged structural schematic diagram of part A in the present utility model;

[0017] Reference numerals in the drawings: 1, fixing ring; 2, convex block; 3, lead screw; 4, moving block; 5, U-shaped sheet; 6, guiding slide bar; 7, buffer spring; 8, U-shaped pressing plate; 9, moving beam; 10, limiting slider; 11, turntable; 12, telescopic sleeve; 13, inclined rod; 14, support rod; 15, fixing bolt; 16, nut; 17, fixing arc plate; 18, clamping screw; 19, clamping plate; 20, knob. Detailed Embodiments

[0018] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.

[0019] AsFigures 1 to 5 As shown, multiple bumps 2 are evenly installed on the inner wall of the fixed ring 1. An arc-shaped groove is provided on the bump 2. Multiple lead screws 3 are rotatably installed on the fixed ring 1 on one side of the bump 2. One end of the lead screw 3 is provided with a knob 20. The middle part of the moving block 4 is screwed on the outer wall of the lead screw 3. Guide slide bars 6 are symmetrically installed on the inner wall of the fixed ring 1 before and after with respect to the lead screw 3. The front and rear ends of the moving block 4 are slidably installed on the guide slide bars 6. A U-shaped piece 5 is fixedly installed at the bottom of the moving block 4. A plurality of buffer springs 7 are evenly connected to the inner wall of the U-shaped piece 5. The upper ends of the buffer springs 7 are fixedly connected to a U-shaped pressing plate 8. A limit slider 10 is located at the bottom of the fixed ring 1. A sliding groove is provided at the top of the moving beam 9. The limit slider 10 is slidably installed in the sliding groove. The top of the limit slider 10 is connected to the fixed ring 1 through a turntable 11. The top of the telescopic sleeve 12 is fixedly connected to the middle of the bottom end of the moving beam 9. Diagonal rods 13 are obliquely connected between the left and right side walls of the telescopic sleeve 12 and the bottom of the moving beam 9. A support rod 14 is slidably installed inside the telescopic sleeve 12. A plurality of adjustment holes are evenly provided on the support rod 14. A limit hole is provided at the lower part of the telescopic sleeve 12. A fixing bolt 15 is inserted into the limit hole and the adjustment hole to connect the telescopic sleeve 12 and the support rod 14. A nut 16 is screwed on the rear part of the fixing bolt 15. Two fixed arc plates 17 are fixedly installed at the left and right ends of the bottom of the support rod 14. A clamping screw 18 is screwed in the middle of the fixed arc plate 17. A clamping plate 19 is rotatably installed between the two clamping screws 18;

[0020] Place the support rod 14 on the armrest of the hospital bed or the infusion support. Rotate the clamping screw 18 to drive the two clamping plates 19 to approach each other to fix the support rod 14, which is convenient for disassembly and use, improves practicability. The diagonal rod 13 increases the connection strength between the telescopic sleeve 12 and the moving beam 9, improving the service life. The telescopic sleeve 12 slides on the support rod 14. Insert the fixing bolt 15 into the limit hole and the adjustment hole to connect the telescopic sleeve 12 and the support rod 14, and tighten the nut 16 onto the fixing bolt 15, which is convenient for adjusting the use position and improves the convenience during use. The hemodialysis catheter is respectively placed between the U-shaped piece 5 and the bump 2. Rotate the knob 20 to drive the lead screw 3 to rotate, driving the moving block 4 to move upward on the guide slide bar 6. The moving block 4 drives the U-shaped piece 5 to move towards the bump 2 to cooperate with the arc-shaped groove to clamp the hemodialysis catheter. It can clamp multiple hemodialysis catheters respectively, effectively organize and arrange the catheters, avoid mess, and facilitate the operation of medical staff. The buffer spring 7 and the U-shaped pressing plate 8 are used to adjust the clamping force, avoid damaging the catheter, and at the same time prevent the catheter from slipping. The cooperation between the limit slider 10 and the moving beam 9 enables the fixed ring 1 to have a certain moving space, facilitating the movement of the patient's arm and reducing the discomfort during long-term static placement. The fixed ring 1 can rotate on the limit slider 10 through the turntable 11, which is convenient for adjusting the use angle and improves practicability.

[0021] As Figures 1 to 5 shown, for a hemodialysis catheter clamping device of the present utility model, during operation, the support rod 14 is placed on the hospital bed armrest or infusion support. The clamping screw 18 is rotated to drive the two clamping plates 19 to approach each other to fix the support rod 14. The telescopic sleeve 12 slides on the support rod 14. The fixing bolt 15 is inserted into the limiting hole and the adjusting hole to connect the telescopic sleeve 12 and the support rod 14. The nut 16 is tightened onto the fixing bolt 15 to adjust the use position. The fixing ring 1 can be rotated on the limiting slider 10 through the turntable 11 to conveniently adjust the use angle. The hemodialysis catheters are respectively placed between the U-shaped piece 5 and the convex block 2. The knob 20 is rotated to drive the lead screw 3 to rotate, driving the moving block 4 to move upward on the guiding slide rod 6. The moving block 4 drives the U-shaped piece 5 to move towards the convex block 2 to cooperate with the arc-shaped groove to respectively clamp multiple hemodialysis catheters. The clamping force is adjusted through the buffer spring 7 and the U-shaped pressing plate 8. Through the cooperation of the limiting slider 10 and the moving beam 9, the fixing ring 1 can have a certain moving space, facilitating the movement of the patient's arm.

[0022] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art of this technology, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A hemodialysis catheter clamping device, characterized in that, It includes a fixed ring (1), a clamping mechanism, a sliding mechanism, a position adjustment mechanism and a fixing component. The clamping mechanism is installed on the inner wall of the fixed ring (1). The bottom of the fixed ring (1) is installed on the sliding mechanism. The sliding mechanism is installed on the position adjustment mechanism, and the fixing component is installed at the bottom of the position adjustment mechanism.

2. The hemodialysis catheter clamping device according to claim 1, wherein The clamping mechanism includes a plurality of bumps (2), a plurality of lead screws (3), a plurality of moving blocks (4), a plurality of U-shaped sheets (5) and multiple groups of guiding slide bars (6). The plurality of bumps (2) are evenly installed on the inner wall of the fixed ring (1). An arc-shaped groove is provided on the bump (2). The plurality of lead screws (3) are rotatably installed on the fixed ring (1) on one side of the bump (2). One end of the lead screw (3) is provided with a knob (20). The middle part of the moving block (4) is screwed on the outer wall of the lead screw (3). The guiding slide bars (6) are symmetrically installed on the inner wall of the fixed ring (1) before and after the lead screw (3). The front and rear ends of the moving block (4) are slidably installed on the guiding slide bars (6). The U-shaped sheet (5) is fixedly installed at the bottom of the moving block (4).

3. The hemodialysis catheter clamping device according to claim 2, wherein, A plurality of buffer springs (7) are evenly connected to the inner wall of the U-shaped sheet (5). The upper end of the buffer spring (7) is fixedly connected to a U-shaped pressing plate (8).

4. The hemodialysis catheter clamping device according to claim 1, wherein, The sliding mechanism includes a moving beam (9) and a limiting slider (10). The limiting slider (10) is located at the bottom of the fixed ring (1). A sliding groove is provided at the top of the moving beam (9). The limiting slider (10) is slidably installed in the sliding groove.

5. The hemodialysis catheter clamping device according to claim 4, wherein, The top of the limiting slider (10) is connected to the fixed ring (1) through a turntable (11).

6. The hemodialysis catheter clamping device according to claim 4, characterized in that, The position adjustment mechanism includes a telescopic sleeve (12), two inclined rods (13), a support rod (14), a fixing bolt (15) and a nut (16). The top of the telescopic sleeve (12) is fixedly connected to the middle of the bottom end of the moving beam (9). Inclined rods (13) are obliquely connected between the left and right side walls of the telescopic sleeve (12) and the bottom of the moving beam (9). The support rod (14) is slidably installed inside the telescopic sleeve (12). A plurality of adjustment holes are evenly provided on the support rod (14). A limiting hole is provided at the lower part of the telescopic sleeve (12). The fixing bolt (15) is inserted into the limiting hole and the adjustment hole to connect the telescopic sleeve (12) and the support rod (14). The nut (16) is screwed on the rear part of the fixing bolt (15).

7. The hemodialysis catheter clamping device according to claim 6, characterized in that, The fixing component includes two fixed arc plates (17), two clamping screws (18) and two clamping plates (19). The two fixed arc plates (17) are fixedly installed at the left and right ends of the bottom of the support rod (14). The clamping screw (18) is screwed in the middle of the fixed arc plate (17). A clamping plate (19) is rotatably installed between the two clamping screws (18).

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