Anti-pressing device for hemodialysis catheter

Abstract

The utility model relates to the technical field of medical supplies, and particularly discloses an anti-pressing device for a hemodialysis catheter, which comprises a plurality of anti-pressing bodies which are movably connected in sequence, the pressure-proof body comprises a first half tube, a second half tube and at least one flexible connecting valve, and the first half tube and the second half tube are connected in a hinged mode; the first half tube and the second half tube are matched with each other and are used for forming a tubular structure body which is arranged outside the hemodialysis catheter in a sleeving manner; the adjacent tubular structural bodies are connected through the flexible connecting valves; the anti-pressing device for the hemodialysis catheter can be arranged on the periphery of the hemodialysis catheter in a sleeving mode, the hemodialysis catheter can be prevented from being pressed, and a good protection effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical supplies technical field, concretely relates to a blood dialysis catheter is with pressure device. BACKGROUND

[0002] Hemodialysis is one of the renal replacement therapy for patients with acute and chronic renal failure. Its principle is to draw blood from the body to the outside of the body, so that it enters a dialyzer composed of countless hollow fibers, blood in the inside of the hollow fiber, and electrolyte solution with similar body concentration outside the hollow fiber, material exchange through diffusion / convection, to remove metabolic waste, maintain electrolyte and acid-base balance.

[0003] In the process of hemodialysis, the dialysis catheter is pressed by the patient's body, and once the compression degree is too large, it will seriously affect the blood circulation. In view of this, a blood dialysis catheter pressure device is designed. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to provide a blood dialysis catheter pressure device, which can be fitted on the blood dialysis catheter, has good protection effect on the blood dialysis catheter, and can effectively avoid the situation that the blood dialysis catheter is pressed by the patient's body and causes the flow to decrease greatly.

[0005] To solve the above problems, the utility model adopts the following technical scheme:

[0006] The embodiment provides a blood dialysis catheter pressure device, which comprises: a plurality of sequentially movably connected pressure bodies.

[0007] The pressure body comprises a first half pipe, a second half pipe and at least one flexible connecting valve, and the first half pipe and the second half pipe are hingedly connected.

[0008] The first half pipe and the second half pipe cooperate with each other to form a tubular structure and are fitted outside the blood dialysis catheter.

[0009] The first half pipe is fixedly connected with the at least one flexible connecting valve, and adjacent first half pipes are connected through the at least one flexible connecting valve, and / or the second half pipe is fixedly connected with the at least one flexible connecting valve, and adjacent second half pipes are connected through the at least one flexible connecting valve.

[0010] In the blood dialysis catheter pressure device provided by at least one embodiment of the disclosure, the first half pipe and the second half pipe are transparent.

[0011] In the blood dialysis catheter pressure device provided by at least one embodiment of the disclosure, the flexible connecting valve is transparent.

[0012] The anti-pressing device for hemodialysis catheter provided by at least one embodiment of the present disclosure is characterized in that a first half pipe is provided with a slot, and a second half pipe is provided with an insertion part matched with the slot.

[0013] The first half pipe and the second half pipe are buckled through the slot and the insertion part.

[0014] The anti-pressing device for hemodialysis catheter provided by at least one embodiment of the present disclosure is characterized in that the flexible connection valve is partially fixedly arranged on the inner pipe wall of the tubular structure.

[0015] The anti-pressing device for hemodialysis catheter provided by at least one embodiment of the present disclosure is characterized in that at least one guide body is arranged on the tubular structure and / or the flexible connection valve.

[0016] The inner pipe diameter of the tubular structure is configured to be greater than the outer diameter of the hemodialysis catheter.

[0017] The guide body is used to guide the hemodialysis catheter into an S shape.

[0018] The anti-pressing device for hemodialysis catheter provided by at least one embodiment of the present disclosure further comprises an end cap.

[0019] The end cap is detachably connected with the tubular structure.

[0020] The end cap is provided with a notch for the hemodialysis catheter to pass through.

[0021] The anti-pressing device for hemodialysis catheter provided by at least one embodiment of the present disclosure is characterized in that an anti-skid rubber pad is fixedly arranged at the notch.

[0022] The anti-pressing device for hemodialysis catheter provided by at least one embodiment of the present disclosure is characterized in that a finger slot is arranged on the outer pipe wall of each of the first half pipe and the second half pipe.

[0023] The finger slot is located at the buckling position of the first half pipe and the second half pipe.

[0024] The anti-pressing device for hemodialysis catheter provided by at least one embodiment of the present disclosure is characterized in that the length of each of the first half pipe and the second half pipe is greater than the length of the flexible connection valve.

[0025] Each of the first half pipe and the second half pipe is a hard pipe.

[0026] The utility model discloses the beneficial effect is: convenient to use, the whole anti -pressure device opens after can conveniently hemodialysis catheter put into the pipeline in the inside, and assemble good hemodialysis catheter, and anti -pressure device can close, and then make the whole anti -pressure device can be set in the hemodialysis catheter outer periphery, play good protection effect, avoid hemodialysis catheter and lead to flow drop to be seriously oppressed.

[0027] Adjacent tubular structure realizes movable connection through flexible connecting valve, and the whole has good mobility, and the influence caused to the movement of hemodialysis catheter is less, and the clinical practicability is high, and convenient to promote and use. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be to the drawing needed to be used in the embodiment description briefly introduced, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0029] Fig. 1 It is the view of the anti -pressure device for hemodialysis catheter in example 1.

[0030] Fig. 2 It is the section view of the anti -pressure device for hemodialysis catheter in example 1.

[0031] Fig. 3 It is the schematic view of hemodialysis catheter being guided by guide body.

[0032] Fig. 4 It is the view of the anti -pressure device for hemodialysis catheter in example 2.

[0033] Fig. 5 It is the view of the anti -pressure device for hemodialysis catheter in example 3.

[0034] Fig. 6 It is the perspective view of end cover in example 3.

[0035] In the drawing:

[0036] 10, anti -pressure body;11, first half pipe;12, second half pipe;13, flexible connecting valve;14, guide body;15, insertion part;16, finger slot;

[0037] 20, end cover;21, slot;22, antiskid rubber pad;

[0038] 30, hemodialysis catheter DETAILED DESCRIPTION

[0039] Clearly, the described embodiments are only a part of the embodiments, rather than all the embodiments.

[0040] Embodiment 1

[0041] As Figs. 1 to 3 shown, the present embodiment provides a pressure prevention device for hemodialysis catheter, comprising: a plurality of sequentially movably connected pressure prevention bodies 10.

[0042] Specifically, the pressure prevention body 10 comprises a first half pipe 11, a second half pipe 12 and a flexible connecting valve 13, and the first half pipe 11 and the second half pipe 12 are hingedly connected.

[0043] Specifically, the first half pipe 11 and the second half pipe 12 can form a tubular structure body in cooperation with each other, and the tubular structure body is used to be sleeved outside the hemodialysis catheter 30.

[0044] Specifically, the first half pipe 11 is fixedly connected with the flexible connecting valve 13, and adjacent first half pipes 11 are movably connected through the flexible connecting valve 13.

[0045] In use, the entire pressure prevention device is opened, and the hemodialysis catheter 30 can be placed in the internal pipeline; and after the hemodialysis catheter 30 is assembled, the pressure prevention device can be closed, so that the entire pressure prevention device can be sleeved outside the hemodialysis catheter 30, thereby achieving good protection effect, avoiding that the hemodialysis catheter 30 is seriously compressed by the patient's body and causes flow reduction.

[0046] Adjacent tubular structure bodies are movably connected through the flexible connecting valve 13, and the whole has good mobility, has less influence on the movement of the hemodialysis catheter 30, has high clinical practicability, and is convenient to popularize and use.

[0047] In use, the flexible connecting valve 13 can be cut off to realize segmentation of the pressure prevention device and adjustment of the use length.

[0048] In the present embodiment, the first half pipe 11 and the second half pipe 12 are both transparently arranged. The flexible connecting valve 13 is transparently arranged.

[0049] Since the first half pipe 11, the second half pipe 12 and the flexible connecting valve 13 are all transparently designed, this provides a convenient condition for medical staff to observe the hemodialysis catheter 30.

[0050] In the present embodiment, the first half pipe 11 is provided with a slot, and the second half pipe 12 is provided with an insertion part 15 matched with the slot. The first half pipe 11 and the second half pipe 12 are buckled through the slot and the insertion part.

[0051] Further, the outer tube wall of the first half tube 11 and the second half tube 12 is provided with a finger slot 16. The finger slot 16 is located at the buckling position of the first half tube 11 and the second half tube 12.

[0052] The buckling structure of the first half tube 11 and the second half tube 12 is simple; at the same time, by providing the finger slot, the buckling state of the first half tube 11 and the second half tube 12 can be easily disassembled by medical staff. The overall use is convenient.

[0053] In this embodiment, the flexible connecting valve 13 is partially fixedly arranged on the inner tube wall of the first half tube 11.

[0054] In this embodiment, the tubular structure and the flexible connecting valve 13 are both provided with a guide body 14. The guide body 14 is used to guide the hemodialysis catheter 30 into an S shape. The inner tube diameter of the tubular structure is configured to be larger than the outer diameter of the hemodialysis catheter.

[0055] Specifically, part of the guide body 14 is arranged on the second half tube 12, and part of the guide body 14 is arranged on the flexible connecting valve 13.

[0056] By providing the guide body 14, the guide body 14 can guide the hemodialysis catheter in the tubular structure into an S shape, which can achieve good anti-skid effect, so that the tubular structure is not easy to slide along the hemodialysis catheter, and the use stability is good.

[0057] In this embodiment, the length of the first half tube 11 and the second half tube 12 is greater than the length of the flexible connecting valve 13. The first half tube 11 and the second half tube 12 are both hard tubes.

[0058] Exemplarily, the first half tube 11 and the second half tube 12 are both made of transparent acrylic material, and the flexible connecting valve and the guide body are both made of flexible transparent silicone rubber.

[0059] Embodiment 2

[0060] As shown in Fig. 4 The difference between the anti-pressing device for hemodialysis catheter of this embodiment and the anti-pressing device for hemodialysis catheter of embodiment 1 is that there are two flexible connecting valves 13 between adjacent tubular structures.

[0061] The adjacent first half tubes 11 are connected through one of the flexible connecting valves, and the adjacent second half tubes 12 are connected through the other flexible connecting valve 13.

[0062] The connection stability of adjacent tubular structures is good.

[0063] Embodiment 3

[0064] As shown in Fig. 5 and 6As shown, the embodiment discloses a pressure prevention device for hemodialysis catheter, which is different from the embodiment 2 in that it further comprises an end cap 20.

[0065] Specifically, the end cap 20 is detachably connected with the tubular structure. The end cap 20 is provided with a notch 21 for the hemodialysis catheter to pass through.

[0066] Specifically, the notch 21 is fixedly provided with a non-slip rubber pad 22. By providing the non-slip rubber pad 22, the non-slip effect with the hemodialysis catheter is improved, and the use stability is further improved, so that the tubular structure is not easy to slide along the hemodialysis catheter.

[0067] Although the embodiments of the present application have been shown and described above, the protection scope of the present application is not limited thereto, and any changes or replacements not thought through creative labor should be covered within the protection scope of the present application; unless explicitly stated, any element, action or instruction used in the text should not be interpreted as critical or necessary.

Claims

1. A pressure preventing device for a hemodialysis catheter, characterized by, The utility model relates to a kind of anti-pressing bodies, including: A plurality of sequentially active connections are connected; The anti-pressing body contains first half pipe, second half pipe and at least one flexible connecting valve, and the first half pipe and the second half pipe are hinged connection; The first half pipe cooperates with the second half pipe, to form tubular structure and set outside hemodialysis catheter; The first half pipe is fixedly connected with the at least one flexible connecting valve, and adjacent first half pipe is connected by the at least one flexible connecting valve, and / or The second half pipe is fixedly connected with the at least one flexible connecting valve, and adjacent second half pipe is connected by the at least one flexible connecting valve.

2. The pressure preventing device for a hemodialysis catheter according to claim 1, wherein The first half pipe and the second half pipe are transparently arranged.

3. The pressure prevention device for a hemodialysis catheter according to claim 1, wherein The flexible connecting valve is transparently arranged.

4. The pressure prevention device for a hemodialysis catheter according to claim 1, wherein The first half pipe is provided with a slot, and the second half pipe is provided with an insertion part matched with the slot; The first half pipe and the second half pipe are buckled by the slot and the insertion part.

5. The pressure prevention device for a hemodialysis catheter according to claim 1, wherein The flexible connecting valve is partially fixedly arranged on the inner tube wall of the tubular structure.

6. The pressure prevention device for a hemodialysis catheter according to claim 5, wherein The tubular structure and / or flexible connecting valve is provided with at least one guide body; The inner tube diameter of the tubular structure is configured to be greater than the outer diameter of hemodialysis catheter; The guide body is used to guide hemodialysis catheter into S shape.

7. The pressure prevention device for a hemodialysis catheter according to claim 1, wherein Also includes: End cap; The end cap is detachably connected with the tubular structure; The end cap is provided with a notch for hemodialysis catheter to pass through.

8. The pressure prevention device for a hemodialysis catheter according to claim 7, wherein Anti-skid rubber pad is fixedly arranged at the notch.

9. The pressure prevention device for a hemodialysis catheter according to claim 4, wherein The outer tube wall of the first half pipe and the second half pipe is provided with a finger slot. The finger slot is located at the buckling place of the first half pipe and the second half pipe.

10. The pressure prevention device for a hemodialysis catheter according to claim 1, wherein The length of the first half pipe and the second half pipe is greater than the length of the flexible connecting valve. The first half pipe and the second half pipe are both rigid pipes.

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