Catheter fixing device for hemodialysis in nephrology department

Abstract

The utility model discloses a catheter fixing device for nephrology department hemodialysis, and relates to the technical field of medical instruments, the catheter fixing device comprises a clamping plate clamped at the edge of a nursing bed and a supporting ring located above the clamping plate, a vertical rod is fixed on the side wall of the clamping plate, the section of the vertical rod is a regular polygon, and each side wall of the vertical rod is provided with a clamping groove; the clamping grooves are formed in the positions close to the side lines of the vertical rods and are rotationally and symmetrically distributed with the center lines of the vertical rods as the symmetry axis, the side walls of the vertical rods are slidably sleeved with sleeve plates, the shapes of inner holes of the sleeve plates are attached to the shapes of the sections of the vertical rods, and lantern rings are rotationally arranged at the bottoms of the sleeve plates. The lantern ring is arranged on the side wall of the vertical rod in a sleeving mode, a plurality of clamping blocks are arranged on the circumference of the inner side wall of the lantern ring, and when the lantern ring rotates, the clamping blocks are driven to rotate. When the catheter fixing device for hemodialysis in the nephrology department is used, the lantern ring is rotated to drive the clamping block to rotate out of the clamping groove of the vertical rod, the height of the supporting ring can be adjusted, and operation is easy and convenient.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically to a catheter fixation device for hemodialysis in nephrology. Background Technology

[0002] Hemodialysis is a common kidney replacement therapy that uses a hemodialysis device to remove the patient's blood from the body for purification before returning it to the body, thereby removing toxins and regulating electrolyte balance. During dialysis, the patient is connected to the device via a catheter, and the stability of the catheter has a significant impact on the safety and comfort of the dialysis process.

[0003] Existing catheter fixation devices mostly employ a support or base structure, with the height of the support adjusted to accommodate different patient positions or equipment placement. However, traditional fixation devices typically use screw or threaded rod structures for height adjustment. While these structures offer some flexibility, they require time to adjust and are difficult to quickly reach the appropriate height in emergency situations. For healthcare professionals, this design offers lower ease of use and may affect treatment efficiency. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a catheter fixation device for hemodialysis in nephrology.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows:

[0006] A catheter fixation device for hemodialysis in nephrology includes a clamp that snaps onto the edge of a nursing bed and a support ring located above the clamp. A vertical rod is fixed to the side wall of the clamp. The vertical rod has a regular polygonal cross-section, and each side wall of the vertical rod has a slot. The slots are located near the edge of the vertical rod and are distributed in a rotationally symmetrical manner with the center line of the vertical rod as the axis of symmetry.

[0007] A sleeve plate is slidably fitted on the side wall of the vertical rod. The shape of the inner hole of the sleeve plate matches the shape of the cross section of the vertical rod. A collar is rotatably provided at the bottom of the sleeve plate. The collar is fitted on the side wall of the vertical rod.

[0008] The inner sidewall of the aforementioned collar is provided with several locking blocks. When the collar rotates, it drives the locking blocks to rotate, so that the locking blocks can be engaged in the locking slot or rotate out of the locking slot.

[0009] Preferably, when the aforementioned card block rotates out of the card slot, the card block is close to the side of the vertical rod sidewall away from the card slot.

[0010] Preferably, the cross-section of the vertical rod includes an equilateral triangular structure or a square structure.

[0011] Preferably, a first magnet is provided on the side of the slot near the edge of the vertical rod, and a second magnet is provided on the side of the block near the first magnet. When the block rotates and engages with the slot, the first magnet attracts the second magnet.

[0012] Preferably, a crossbar is fixed to the top of the aforementioned sleeve plate, and a groove is provided on the crossbar along the length of the crossbar, and the aforementioned support ring is slidably engaged in the groove of the crossbar.

[0013] Preferably, the bottom of the clamping plate is threaded with a locking screw for fixing.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. When it is necessary to adjust the height of the support ring to support and fix the conduit, rotate the collar to drive the locking block to rotate out of the slot of the vertical rod. Drag the rotated collar upward, and the collar, along with the sleeve plate and the horizontal bar, will move upward to adjust the height of the support ring. The operation is simple and convenient, and the height of the support ring can be adjusted quickly.

[0016] 2. When the collar drives the locking block to rotate, the locking block rotates out of the slot in the vertical rod, allowing the collar and the sleeve plate to slide. At the same time as the collar slides, the locking block is kept away from the slot, so that the collar can slide stably and will not get stuck during the sliding process. Attached Figure Description

[0017] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts. Wherein:

[0018] Figure 1 This is a schematic diagram of the catheter fixation device used in hemodialysis in the nephrology department.

[0019] Figure 2 for Figure 1 A partial structural sectional view of the central vertical rod, sleeve plate, and collar;

[0020] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0021] Figure 4 for Figure 3 A structural diagram of the second state;

[0022] Figure 5 This is a structural diagram of a vertical rod with a square cross-section.

[0023] Explanation of annotations in the image:

[0024] 11. Clamping plate; 12. Locking screw;

[0025] 21. Vertical rod; 22. Slot; 23. First magnet;

[0026] 31. Sleeve plate; 32. Collar ring; 33. Locking block; 34. Second magnet;

[0027] 41. Crossbar; 42. Slide groove; 43. Support ring. Detailed Implementation

[0028] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.

[0029] Example

[0030] like Figures 1-5 As shown, a catheter fixation device for nephrology hemodialysis includes a splint 11 that is snapped onto the edge of a nursing bed and a support ring 43 located above the splint 11. When using this catheter fixation device, if the patient is lying on the nursing bed, the open side of the splint 11 is snapped onto the edge of the bed; if the patient is sitting and there is a table next to them, the open side of the splint 11 is snapped onto the edge of the table. That is, this utility model can snap the splint 11 into a suitable position according to the actual position of the patient.

[0031] The bottom of the clamp 11 is threaded with a locking screw 12 for fixing. After the clamp 11 is clamped on the edge of the nursing bed or table, the locking screw 12 is tightened to fix the position of the clamp 11.

[0032] In one embodiment, such as Figure 1 As shown, a vertical rod 21 is fixed to the side wall of the clamping plate 11. The cross-section of the vertical rod 21 is a regular polygon, and a slot 22 is provided on each side wall of the vertical rod 21. The slots 22 are located near the edge of the vertical rod 21 and are distributed in a rotationally symmetrical manner with the center line of the vertical rod 21 as the axis of symmetry. When slots 22 are provided on the side wall of the vertical rod 21, slots 22 can be provided on two or more side walls. The effect is that two locking blocks 33 on the collar 32 can engage with the slots 22 of the vertical rod 21, which can improve the stability of the collar 32 position.

[0033] In one embodiment, such as Figures 1-4As shown, a sleeve plate 31 is slidably fitted on the side wall of the vertical rod 21. The shape of the inner hole of the sleeve plate 31 fits the shape of the cross section of the vertical rod 21. A collar 32 is rotatably provided at the bottom of the sleeve plate 31. The collar 32 is fitted on the side wall of the vertical rod 21. Several locking blocks 33 are arranged around the inner side wall of the collar 32. When the collar 32 rotates, it can drive the locking blocks 33 to rotate, so that the locking blocks 33 can be engaged in the locking groove 22 or rotate out of the locking groove 22. The sleeve plate 31 that matches the cross section of the vertical rod 21 is selected according to the shape of the selected vertical rod 21, so that the sleeve plate 31 is slidably connected to the vertical rod 21. The effect is that the sleeve plate 31 will not rotate itself during the sliding process on the side wall of the vertical rod 21, ensuring that the relevant structure at the top of the sleeve plate 31 is only adjusted in height and will not rotate, thus ensuring its stability when adjusting the height. The number of locking blocks 33 on the inner sidewall of the collar 32 is the same as the number of locking slots 22 on the sidewall of the vertical rod 21, and their positions are matched so that when the collar 32 rotates with the locking blocks 33, the locking blocks 33 can be locked into the locking slots 22 of the vertical rod 21.

[0034] The sleeve 31 and the collar 32 are rotatably connected, and the collar 32 is engaged with the sleeve 31. This is to keep the collar 32 always connected to the sleeve 31 and prevent it from separating from the sleeve 31. After the collar 32 rotates, it can constrain the position of the sleeve 31.

[0035] In one embodiment, such as Figure 2 As shown, the cross section of the vertical rod 21 is an equilateral triangle. At this time, the sleeve plate 31 is selected to be an equilateral triangle structure that matches the cross section of the vertical rod 21.

[0036] In another embodiment, such as Figure 5 As shown, the cross-section of the vertical rod 21 is square. At this time, the sleeve plate 31 is selected to be a square structure that matches the cross-section of the vertical rod 21.

[0037] Different shapes of vertical rods 21 can be selected according to requirements such as cost, aesthetics, and process. Since the slot 22 does not penetrate the vertical rod 21, when selecting different vertical rods 21, in order to improve the stability of the cooperation between the locking block 33 and the slot 22, the edge lines of the vertical rod 21 should not be too many.

[0038] In one embodiment, such as Figures 3-4 As shown, a first magnet 23 is provided on the side of the slot 22 near the edge of the vertical rod 21, and a second magnet 34 is provided on the side of the block 33 near the first magnet 23. When the block 33 rotates and engages with the slot 22, the first magnet 23 attracts the second magnet 34. After the height is adjusted by the sliding sleeve 31 and the collar 32, the block 33 is held in the slot 22 by the mutual attraction between the first magnet 23 and the second magnet 34, which restricts the collar 32 after the height is adjusted, and thus restricts the support ring 43 after the height is adjusted.

[0039] In one embodiment, such as Figure 4 As shown, when the locking block 33 rotates out of the slot 22, the locking block 33 is close to the side wall of the vertical rod 21 away from the slot 22. During the rotation of the locking block 33 with the collar 32, after the locking block 33 rotates out of the slot 22, the locking block 33 can stick to the side wall of the vertical rod 21, and at this time the locking block 33 is not limited. The effect of this structure is that it can ensure that after the locking block 33 rotates out of the slot 22, the vertical rod 21 and the collar 32 can slide smoothly along the length direction of the vertical rod 21.

[0040] In one embodiment, such as Figure 1 As shown, a crossbar 41 is fixed to the top of the sleeve plate 31. A groove 42 along the length of the crossbar 41 is provided on the crossbar 41. The support ring 43 is slidably engaged in the groove 42 of the crossbar 41. In use, the support ring 43 is dragged and slid in the groove 42 of the crossbar 41 according to actual needs, so that the support ring 43 is in a suitable position.

[0041] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.

Claims

1. A catheter fixation device for hemodialysis in nephrology, comprising a clamp (11) snapped onto the edge of a nursing bed and a support ring (43) located above the clamp (11), characterized in that: The side wall of the clamp (11) is fixed with a vertical rod (21). The cross section of the vertical rod (21) is a regular polygon, and a slot (22) is provided on each side wall of the vertical rod (21). The slot (22) is located near the edge of the vertical rod (21) and is distributed in a rotationally symmetrical manner with the center line of the vertical rod (21) as the axis of symmetry. A sleeve plate (31) is slidably sleeved on the side wall of the vertical rod (21). The shape of the inner hole of the sleeve plate (31) is in contact with the shape of the cross section of the vertical rod (21). A collar (32) is rotatably provided at the bottom of the sleeve plate (31). The collar (32) is sleeved on the side wall of the vertical rod (21). The inner sidewall of the collar (32) is provided with a number of locking blocks (33). When the collar (32) rotates, it drives the locking blocks (33) to rotate, so that the locking blocks (33) can be locked into the slot (22) or rotate out of the slot (22).

2. The catheter fixation device for nephrology hemodialysis according to claim 1, characterized in that: When the card block (33) rotates out of the slot (22), the card block (33) is close to the side of the vertical rod (21) away from the slot (22).

3. The catheter fixation device for nephrology hemodialysis according to claim 2, characterized in that: The cross-section of the vertical rod (21) includes an equilateral triangular structure or a square structure.

4. The catheter fixation device for nephrology hemodialysis according to claim 3, characterized in that: A first magnet (23) is provided on the side of the slot (22) near the edge of the vertical rod (21), and a second magnet (34) is provided on the side of the block (33) near the first magnet (23). When the block (33) rotates and is inserted into the slot (22), the first magnet (23) attracts the second magnet (34).

5. A catheter fixation device for nephrology hemodialysis according to claim 1, characterized in that: A crossbar (41) is fixed to the top of the sleeve plate (31). A groove (42) along the length of the crossbar (41) is provided on the crossbar (41). The support ring (43) is slidably engaged in the groove (42) of the crossbar (41).

6. The catheter fixation device for nephrology hemodialysis according to claim 1, characterized in that: The bottom of the clamp (11) is threaded with a locking screw (12) for fixing.

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