Hemodialysis catheter fixing device

Abstract

The utility model discloses a hemodialysis catheter fixing device, which relates to the technical field of medical instruments and comprises a base, a circular groove is formed in the top end of the base, a first rotating shaft is rotatably connected to the bottom end of the inner side of the circular groove, a supporting plate is fixedly connected to the top end of the first rotating shaft, and a supporting column is fixedly connected to the top end of the supporting plate. By the adoption of the structure, a guide pipe is bound on the winding drum, then a guide pipe head needing to be used penetrates through the limiting opening, a user can rotate the supporting plate through the crank, the supporting plate can drive the winding drum to rotate together, and therefore the length of the guide pipe can be conveniently adjusted, and after the length of the guide pipe is adjusted, the guide pipe head can be used conveniently. A user can screw the first screw rod, the arc-shaped block can be pushed to move downwards when the first screw rod rotates, and the arc-shaped block can clamp the guide pipe on the inner side of the limiting opening, so that the purpose of fixing the position of the guide pipe can be achieved, and due to the fact that the height of the arc-shaped block is convenient to adjust, the guide pipes with different thicknesses can be conveniently limited.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and particularly relates to a hemodialysis catheter fixing device. Background Art

[0002] Hemodialysis is a form of renal replacement therapy, mainly for patients with uremia. For this treatment, first of all, vascular access is needed. For example, a dialysis catheter can be placed into the human blood vessels to drain the blood. Hemodialysis requires two catheters. One catheter is used to draw the patient's blood and pass it into the hemodialysis machine, and the other catheter is used to pass the purified blood into the patient's body. Traditional hemodialysis catheters are longer. During dialysis, medical staff generally use clamps to fix the catheter next to the bed.

[0003] A Chinese patent with the announcement number "CN219646499U" discloses a hemodialysis catheter fixing device, which belongs to the field of medical device technology. It solves the problem that the existing hemodialysis catheter fixing device cannot automatically and completely store the hemodialysis catheter suspended outside. The device comprises a shell, and a catheter winding assembly is rotatably provided on the upper part of the shell, and the catheter winding assembly includes at least two rotating columns.

[0004] However, this device still has some shortcomings. When using the catheter, the length of the catheter needs to be adjusted, which will cause the position of the catheter to be constantly moved. When the position of the catheter is determined, the position of the catheter needs to be limited and fixed. Because the thickness of catheters of different models is different, this device can only limit the catheter of a specified thickness, which reduces the scope of use of the device itself and also reduces the practicality of the device itself. Utility Model Content

[0005] In view of the problems mentioned in the background technology, the purpose of the present invention is to provide a hemodialysis catheter fixing device to solve the problems mentioned in the background technology.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] A hemodialysis catheter fixing device comprises a base, a circular groove is formed at the top of the base, a first rotating shaft is rotatably connected to the inner bottom end of the circular groove, a support plate is fixedly connected to the top of the first rotating shaft, a pillar is fixedly connected to the top of the support plate, a winding drum is fixedly connected to the top of the pillar, a crank is installed at the top of the support plate, a limiting plate is slidably connected to the top of the base, a limiting opening is formed at one side of the limiting plate, an arc groove is formed at the inner bottom end of the limiting opening, a fixing block is fixedly connected to the top of the limiting plate, a first screw hole is formed at the top of the fixing block, a first screw rod is threadedly connected to the inner side of the first screw hole, and the first screw rod The bottom end is rotatably connected with an arc block, the position of the arc block is symmetrical with the position of the arc groove, the position of the limit plate is symmetrical with the position of the winding drum, the catheter is bundled on the winding drum, and the winding drum is easy to rotate, so it is convenient to wind up the catheter. When using the catheter, the user can pass the catheter through the limiting port, and then rotate the winding drum to adjust the length of the catheter. When the length of the catheter is adjusted, the user can turn the first screw, and the first screw pushes the arc block to move, and the arc block can clamp and fix the catheter. Because it is convenient to adjust the position of the arc block, it is convenient to clamp and fix catheters of different thicknesses.

[0008] As a preferred technical solution, a first slide groove is provided at the top of the base, and the shape of the first slide groove is circular. A slider is slidably connected to the inner bottom end of the first slide groove, and the top of the slider is fixedly connected to the bottom end of the support plate. The first rotating shaft is located on the inner side close to the first rotating shaft. Through the slider, the bottom end of the support plate can be effectively supported and limited, which can effectively ensure the stability of the position of the support plate.

[0009] As a preferred technical solution, a second slide groove matching the support plate is opened at the top of the base, and the bottom end of the support plate is slidably connected to the top of the base through the second slide groove. The opening of the second slide groove facilitates the sliding of the limit plate, thereby facilitating slight adjustment of the position of the limit plate at a later time.

[0010] As a preferred technical solution, a baffle is fixedly connected to the top of the base, a second screw hole is opened on one side of the baffle, a second screw is threadedly connected to the inner side of the second screw hole, one side of the limit plate is rotatably connected to the second rotating shaft, and the other side of the second screw is fixedly connected to one side of the second rotating shaft. When adjusting the position of the limit plate, the user can turn the second screw, and the second rotating shaft can make the second screw rotate in place, and the second screw will push the limit plate forward accordingly, which is convenient for adjusting the position of the limit plate and also for fixing the position of the limit plate.

[0011] As a preferred technical solution, a handle is fixedly connected to the top of the winding drum, and the handle is fixedly connected to the center position of the top of the winding drum. The shape of the handle is concave, and the shape of the handle corners is arc-shaped. The handle can provide a gripping point for the winding drum. The handle can facilitate the rotation of the winding drum and also facilitate the carrying of the entire device later.

[0012] As an optimal technical solution, the bottom end of the base is fixedly connected with a support leg, which is fixedly connected to the four sides of the bottom end of the base near the corners. The support legs are conical in shape and can support the bottom end of the base, thereby effectively improving the stability of the base position.

[0013] As a preferred technical solution, the bottom end of the base is fixedly connected to a limit frame, the inner side of the limit frame is fixedly connected to a rubber pad, the rubber pad covers the inner side of the limit frame, the position of the bottom end of the rubber pad is on the same horizontal line as the position of the bottom end of the leg, the rubber pad can share the force area of ​​the leg, and can secondary improve the stability of the base position.

[0014] In summary, the utility model mainly has the following beneficial effects:

[0015] First, when in use, the catheter is tied to the winding drum, and then the catheter head to be used is passed through the limiting opening. The user can rotate the support plate by the crank, and the support plate can drive the winding drum to rotate together, so it is convenient to adjust the length of the catheter. After the length of the catheter is adjusted, the user can screw the first screw rod, and the first screw rod can push the arc block to move downward when it rotates. The arc block can clamp the catheter inside the limiting opening, so as to achieve the purpose of fixing the position of the catheter. Because it is convenient to adjust the height of the arc block, it is convenient to limit catheters of different thicknesses;

[0016] Secondly, due to the opening of the second sliding groove, the sliding of the limit plate is facilitated. When the position of the limit plate needs to be adjusted, the user can turn the second screw rod, and the second rotating shaft can rotate the position of the end of the second screw rod in situ, and the second screw rod will push the limit plate forward accordingly. While achieving the convenience of adjusting the position of the limit plate, it is also convenient to fix the position of the limit plate, so it is more conducive to the later user to adjust the length of the catheter. The slider can effectively support the bottom end of the support plate, and can effectively improve the stability of the rotation of the winding drum without hindering the rotation of the winding drum. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 This utility model Figure 1 The A-part amplified structure is rounded;

[0019] Figure 3 It is a schematic diagram of the top structure of the base of the utility model;

[0020] Figure 4 It is a schematic diagram of the plane structure of the utility model.

[0021] Figure numerals: 1. base, 2. first slide groove, 3. slider, 4. circular groove, 5. first rotating shaft, 6. support plate, 7. crank, 8. pillar, 9. winding drum, 10. handle, 11. second slide groove, 12. limit plate, 13. limit mouth, 14. arc groove, 15. fixing block, 16. first screw hole, 17. first screw rod, 18. arc block, 19. baffle, 20. second screw hole, 21. second screw rod, 22. second rotating shaft, 23. leg, 24. limit frame, 25. rubber pad. DETAILED DESCRIPTION

[0022] refer to Figures 1 to 4 A hemodialysis catheter fixing device of the present embodiment comprises a base 1, a circular groove 4 is provided at the top of the base 1, a first rotating shaft 5 is rotatably connected to the inner bottom end of the circular groove 4, a support plate 6 is fixedly connected to the top of the first rotating shaft 5, a pillar 8 is fixedly connected to the top of the support plate 6, a winding drum 9 is fixedly connected to the top of the pillar 8, a crank 7 is installed at the top of the support plate 6, a limiting plate 12 is slidably connected to the top of the base 1, a limiting opening 13 is provided on one side of the limiting plate 12, an arc groove 14 is provided at the inner bottom end of the limiting opening 13, a fixing block 15 is fixedly connected to the top of the limiting plate 12, a first screw hole 16 is provided at the top of the fixing block 15, a first screw rod 1 is threadedly connected to the inner side of the first screw hole 16 7. The bottom end of the first screw 17 is rotatably connected with an arc block 18. The position of the arc block 18 is symmetrical with the position of the arc groove 14. The position of the limit plate 12 is symmetrical with the position of the winding drum 9. The winding drum 9 can be convenient for bundling the catheter so as to roll up the catheter. When using the catheter, the catheter head is passed through the limit opening 13. The user can rotate the support plate 6 by the crank 7. The support plate 6 can drive the winding drum 9 to rotate together, so that it is convenient to adjust the length of the catheter. After adjusting the length of the catheter, the user can twist the first screw 17 to push the arc block 18 to move downward. The arc block 18 can clamp the catheter inside the limit opening 13 along the arc groove 14, thereby achieving the purpose of fixing the position of the catheter.

[0023] refer to Figure 1 and Figure 3 A first slide groove 2 is provided at the top of the base 1, and the shape of the first slide groove 2 is circular. A slider 3 is slidably connected to the inner bottom end of the first slide groove 2, and the top of the slider 3 is fixedly connected to the bottom end of the support plate 6. The first rotating shaft 5 is located on the inner side close to the first rotating shaft 5. Due to the existence of the first slide groove 2 and the slider 3, the two can effectively limit and support the bottom end of the support plate 6 without hindering the rotation of the support plate 6, thereby effectively improving the stability of the bottom end of the support plate 6, and also avoiding the angle deviation when the support plate 6 is rotated.

[0024] refer to Figure 1 and Figure 3The top of the base 1 is provided with a second slide groove 11 matching the support plate 6, and the bottom end of the support plate 6 is slidably connected to the top of the base 1 through the second slide groove 11, and the top of the base 1 is fixedly connected with a baffle 19, and a second screw hole 20 is provided on one side of the baffle 19, and a second screw rod 21 is threadedly connected to the inner side of the second screw hole 20, and one side of the limit plate 12 is rotatably connected to the second rotating shaft 22, and the other side of the second screw rod 21 is fixedly connected to one side of the second rotating shaft 22. Due to the opening of the second slide groove 11, it is convenient to slide the limit plate 12. When the position of the limit plate 12 needs to be adjusted, the user can screw the second screw rod 21, and the second rotating shaft 22 can make the position of the end of the second screw rod 21 rotate in place, and the second screw rod 21 will push the limit plate 12 forward accordingly, while achieving the convenience of adjusting the position of the limit plate 12, it is also convenient to fix the position of the limit plate 12, so that it is more conducive to the later user to adjust the length of the catheter.

[0025] refer to Figure 1 A handle 10 is fixedly connected to the top of the winding drum 9, and the handle 10 is fixedly connected to the center position of the top of the winding drum 9. The shape of the handle 10 is concave, and the shape of the corners of the handle 10 is arc-shaped. Due to the existence of the handle 10, the handle 10 can provide the user with a gripping point, and it will be more convenient and quick to rotate the winding drum 9 through the handle 10. The shape of the corners of the handle 10 is arc-shaped, which can effectively avoid hurting the user's palm, and is also conducive to the later carrying and repositioning of the entire grasp.

[0026] refer to Figure 1 and Figure 4 The bottom end of the base 1 is fixedly connected with a support leg 23, and the support leg 23 is fixedly connected to the four sides of the bottom end of the base 1 near the corners. The shape of the support leg 23 is conical, and the bottom end of the base 1 is fixedly connected to a limit frame 24. The inner side of the limit frame 24 is fixedly connected with a rubber pad 25, and the rubber pad 25 covers the inner side of the limit frame 24. The position of the bottom end of the rubber pad 25 is on the same horizontal line as the position of the bottom end of the support leg 23. Due to the existence of the support leg 23, the bottom end of the base 1 can be supported, which can effectively improve the stability of the bottom end of the base 1. The rubber pad 25 is a rubber product with good anti-slip and shock-absorbing capabilities. At the same time, the rubber pad 25 can also share the force area of ​​the support leg 23, which can effectively prevent the base 1 from displacement while secondary improving the stability of the bottom end of the base 1.

[0027] When the catheter is in use, the winding drum 9 can be used to bundle the catheter so as to roll it up. When the catheter is in use, the catheter head is passed through the limiting opening 13. The user can rotate the support plate 6 by the crank 7, and the support plate 6 can drive the winding drum 9 to rotate together, so that it is convenient to adjust the length of the catheter. After the length of the catheter is adjusted, the user can twist the first screw 17 to push the arc block 18 to move downward, and the arc block 18 can clamp the catheter inside the limiting opening 13 along the arc groove 14, so as to achieve the purpose of fixing the position of the catheter. Due to the presence of the first slide groove 2 and the slider 3, the two can effectively limit and support the bottom end of the support plate 6 without hindering the rotation of the support plate 6, thereby effectively improving the stability of the bottom end of the support plate 6, and at the same time, it can also avoid the angular deviation when the support plate 6 is rotated. Due to the opening of the second slide groove 11, it is convenient to slide the limiting plate 12. When the position of the limiting plate 12 needs to be adjusted, The user can twist the second screw rod 21, and the second rotating shaft 22 can make the position of the end of the second screw rod 21 rotate in place, and the second screw rod 21 will push the limit plate 12 forward accordingly, and while achieving the convenience of adjusting the position of the limit plate 12, it is also convenient to fix the position of the limit plate 12, so that it is more conducive to the later user to adjust the length of the catheter. Due to the existence of the handle 10, the handle 10 can provide the user with a gripping point, and it will be more convenient and quick to rotate the winding drum 9 through the handle 10. The shape of the corner of the handle 10 is arc-shaped, which can also effectively avoid hurting the palm of the user, and it is also conducive to the later carrying and changing of the entire grip. Due to the existence of the support leg 23, the bottom end of the base 1 can be supported, which can effectively improve the stability of the bottom end of the base 1. The rubber pad 25 is a rubber product with good anti-slip and shock-absorbing capabilities. At the same time, the rubber pad 25 can also share the force area of ​​the support leg 23, which can secondary improve the stability of the bottom end of the base 1.

Claims

1. A hemodialysis catheter fixing device, comprising a base (1), characterized in that: A circular groove (4) is provided at the top of the base (1), a first rotating shaft (5) is rotatably connected to the inner bottom end of the circular groove (4), a supporting plate (6) is fixedly connected to the top of the first rotating shaft (5), a pillar (8) is fixedly connected to the top of the supporting plate (6), a winding drum (9) is fixedly connected to the top of the pillar (8), a crank (7) is installed at the top of the supporting plate (6), a limiting plate (12) is slidably connected to the top of the base (1), and a limiting opening (13) is provided on one side of the limiting plate (12). An arc-shaped groove (14) is provided at the inner bottom end of the limiting opening (13); a fixing block (15) is fixedly connected to the top end of the limiting plate (12); a first screw hole (16) is provided at the top end of the fixing block (15); a first screw rod (17) is threadedly connected to the inner side of the first screw hole (16); an arc-shaped block (18) is rotatably connected to the bottom end of the first screw rod (17); the position of the arc-shaped block (18) is symmetrical to the position of the arc-shaped groove (14); and the position of the limiting plate (12) is symmetrical to the position of the winding drum (9).

2. A hemodialysis catheter fixing device according to claim 1, characterized in that: A first slide groove (2) is provided at the top of the base (1), the first slide groove (2) is circular in shape, a slider (3) is slidably connected to the inner bottom end of the first slide groove (2), the top end of the slider (3) is fixedly connected to the bottom end of the support plate (6), and the first rotating shaft (5) is located on the inner side close to the first rotating shaft (5).

3. A hemodialysis catheter fixing device according to claim 1, characterized in that: The top end of the base (1) is provided with a second slide groove (11) matching the support plate (6), and the bottom end of the support plate (6) is slidably connected to the top end of the base (1) via the second slide groove (11).

4. A hemodialysis catheter fixing device according to claim 3, characterized in that: A baffle (19) is fixedly connected to the top of the base (1), a second screw hole (20) is opened on one side of the baffle (19), a second screw rod (21) is threadedly connected to the inner side of the second screw hole (20), a second rotating shaft (22) is rotatably connected to one side of the limiting plate (12), and the other side of the second screw rod (21) is fixedly connected to one side of the second rotating shaft (22).

5. A hemodialysis catheter fixing device according to claim 1, characterized in that: A handle (10) is fixedly connected to the top of the winding drum (9), and the handle (10) is fixedly connected to the center position of the top of the winding drum (9). The shape of the handle (10) is concave, and the shape of the corners of the handle (10) is arc-shaped.

6. A hemodialysis catheter fixing device according to claim 1, characterized in that: The bottom end of the base (1) is fixedly connected with a support leg (23), and the support leg (23) is fixedly connected to four sides of the bottom end of the base (1) near the corners, and the shape of the support leg (23) is conical.

7. A hemodialysis catheter fixing device according to claim 6, characterized in that: The bottom end of the base (1) is fixedly connected to a limit frame (24), the inner side of the limit frame (24) is fixedly connected to a rubber pad (25), the rubber pad (25) covers the inner side of the limit frame (24), and the bottom end of the rubber pad (25) is on the same horizontal line as the bottom end of the leg (23).

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