Novel renal dialysis catheter structure

By setting up an anti-detachment mechanism and a positioning support mechanism in the renal dialysis catheter structure, the problem of easy disengagement of the catheter structure and unstable positioning of the branch tube is solved, the stable fixation of the catheter and the symmetrical state of the branch tube are achieved, ensuring the normal progress of the dialysis process.

CN222566407UActive Publication Date: 2025-03-07许怡琼
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Patent Information

Application Number
CN202421074263.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-16
Publication Date
2025-03-07
Estimated Expiration
2034-05-16

AI Technical Summary

Technical Problem

The existing renal dialysis catheter structure is prone to detachment due to external force when connected to the peritoneal cavity, and lacks a positioning and holding structure for the branch tube position, which affects the normal progress of dialysis.

Method used

A new type of renal dialysis catheter structure is designed, and the main pipe is stably fixed to the abdomen by setting up an anti-detachment mechanism to prevent disengagement, and the first branch pipe and the second branch pipe are fixedly supported by a positioning support mechanism to maintain their state symmetrical.

Benefits of technology

The main pipe is stable and fixed, preventing disengagement caused by external force pulling, and maintaining the symmetrical state of the branch pipe, ensuring the normal progress of the dialysis process.

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Abstract

The utility model discloses a novel renal dialysis catheter structure, and relates to the technical field of renal dialysis catheters, the novel renal dialysis catheter structure comprises a main tube, a first branch tube and a second branch tube, the main tube is composed of a soft catheter, a first hard catheter and a second hard catheter, and an anti-falling mechanism comprises a first connecting seat, a first supporting force arm and a bandage. Springs are arranged at the bottoms of one ends of the first supporting force arms; silica gel plates are arranged at the bottoms of the springs; the positioning and supporting mechanism comprises a second connecting base, second supporting force arms and a force arm adjusting assembly, the force arm adjusting assembly is arranged on one side arm of the second connecting base, the second supporting force arms are symmetrically arranged on the force arm adjusting assembly, and branch pipe fixing clamps are arranged at one ends of the second supporting force arms; the main tube can be stably fixed to the abdomen through the anti-falling mechanism, the situation that the catheter structure is separated from the peritoneal cavity due to pulling of external force is avoided, the first branch tube and the second branch tube can be fixedly supported through the positioning and supporting mechanism, and the first branch tube and the second branch tube are kept symmetrical.
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Description

Technical Field

[0001] The utility model relates to the technical field of kidney dialysis catheters, in particular to a novel kidney dialysis catheter structure. Background Art

[0002] Kidney disease is a common and frequently occurring disease. If it worsens, it can develop into uremia, which seriously endangers people's health. Chronic kidney disease has become another important disease that threatens human health after cardiovascular and cerebrovascular diseases, tumors, and diabetes. Common renal replacement therapies include kidney transplantation, hemodialysis, and peritoneal dialysis.

[0003] For patients with acute and chronic renal failure in the nephrology department, peritoneal dialysis is often required for treatment. During peritoneal dialysis, a catheter is required to be used to inject the configured dialysate into the patient's peritoneal cavity. The catheter structure in the prior art is simple, generally consisting of a main tube and two branches. The main tube is used to connect to the peritoneal cavity, one branch is used to connect to the dialysate bag, and one branch is used to connect to the waste discharge bag. The main tube is fixed to the abdomen by tape when connected to the peritoneal cavity. In the actual process, it is easy to be pulled by external force, causing the main tube to be separated from the peritoneal cavity, affecting the normal progress of dialysis, and the two branches need to be kept in an up-and-down state. The dialysis catheter structure in the prior art lacks a structure for positioning and maintaining the positions of the two branches. Therefore, the utility model proposes a novel renal dialysis catheter structure to solve the deficiencies in the prior art. Utility Model Content

[0004] In view of the above problems, the purpose of the utility model is to provide a novel renal dialysis catheter structure. By setting an anti-detachment mechanism, the main tube can be stably fixed in the abdomen to prevent the catheter structure from being separated from the peritoneal cavity due to external force. The utility model can fix the first branch tube and the second branch tube through a positioning support mechanism, so that the state between the first branch tube and the second branch tube remains symmetrical.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A novel renal dialysis catheter structure comprises a main tube, a first branch tube and a second branch tube, wherein the first branch tube and the second branch tube are arranged at one end of the main tube, the main tube is composed of a soft catheter, a first hard catheter and a second hard catheter, soft catheters are arranged between and at both ends of the first hard catheter and the second hard catheter, the first hard catheter is provided with an anti-slip mechanism, the second hard catheter is provided with a positioning support mechanism, the anti-slip mechanism comprises a first connecting seat, a first support arm and a binding strap, the first connecting seat is detachably mounted on the outer wall of the first hard catheter, the first support arm is movably arranged on both sides of the first connecting seat, a buckle is arranged at the top of one end of the first support arm, a binding strap is arranged inside the buckle, a spring is arranged at the bottom of one end of the first support arm, and a silicone plate is arranged at the bottom of the spring;

[0007] The positioning support mechanism includes a second connecting seat, a second supporting lever and a lever adjustment assembly. The second connecting seat is detachably mounted on the outer wall of the second hard conduit. A lever adjustment assembly is provided on one side arm of the second connecting seat. The lever adjustment assembly is symmetrically provided with a second supporting lever. A branch pipe fixing clamp is provided at one end of the second supporting lever.

[0008] A further improvement is that the first connection seat and the outer wall of the first hard conduit are detachably installed by threads, and the second connection seat and the outer wall of the second hard conduit are detachably installed by threads.

[0009] A further improvement is that: the first supporting arm includes a main arm rod and a support arm rod, the main arm rod is rotatably connected to the first connecting seat, and the support arm rod is rotatably connected to one end of the main arm rod.

[0010] Further improvement is that: the force arm adjustment assembly includes a first gear, a second gear and a rotating wheel, and the first gear and the second gear are respectively provided on one side arm of the second connecting seat through the first rotating shaft and the second rotating shaft, the first gear and the second gear are meshed with each other, and two groups of the second supporting force arms are respectively arranged on the first rotating shaft and the second rotating shaft, and a rotating wheel is provided on the first rotating shaft.

[0011] A further improvement is that: a flexible arc plate is provided on one side of the top of the first connecting seat, and a positioning groove adapted to the diameter of the main pipe is provided on the flexible arc plate.

[0012] A further improvement is that the branch pipe fixing clamp is rotatably connected to one end of the second support arm, and the branch pipe fixing clamp is provided with a fixing groove adapted to the diameters of the first branch pipe and the second branch pipe.

[0013] The beneficial effects of the utility model are as follows: the utility model can stably fix the main tube on the abdomen by arranging an anti-detachment mechanism to prevent the catheter structure from being separated from the peritoneal cavity due to external pulling; the utility model can fixedly support the first branch tube and the second branch tube by a positioning support mechanism, so that the states between the first branch tube and the second branch tube remain symmetrical; at the same time, the positioning support mechanism has high adjustability during the support process, and can change the angle between the first branch tube and the second branch tube after driving the second support force arm to rotate an angle, so as to meet the use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a three-dimensional schematic diagram of the anti-slip mechanism structure of the utility model;

[0016] Figure 3 This is a three-dimensional schematic diagram of the installation structure of the flexible arc plate of the utility model;

[0017] Figure 4 It is a rear view schematic diagram of the branch pipe fixing clamp structure of the utility model.

[0018] Wherein: 1. main pipe; 101. soft conduit; 102. first hard conduit; 103. second hard conduit; 2. first branch pipe; 3. second branch pipe; 4. anti-slip mechanism; 401. first connecting seat; 402. first supporting arm; 403. binding strap; 404. buckle; 405. spring; 406. silicone plate; 5. positioning support mechanism; 501. second connecting seat; 502. second supporting arm; 503. branch pipe fixing clamp; 6. main arm rod; 7. support arm rod; 8. first gear; 9. second gear; 10. flexible arc plate; 11. positioning slot; 12. fixing slot. DETAILED DESCRIPTION

[0019] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.

[0020] according to Figure 1-4 As shown, this embodiment proposes a novel renal dialysis catheter structure, including a main tube 1, a first branch tube 2 and a second branch tube 3, wherein the main tube 1 is provided with the first branch tube 2 and the second branch tube 3 at one end, the main tube 1 is composed of a soft catheter 101, a first hard catheter 102 and a second hard catheter 103, soft catheters 101 are provided between and at both ends of the first hard catheter 102 and the second hard catheter 103, the first hard catheter 102 is provided with an anti-slip mechanism 4, the second hard catheter 103 is provided with a positioning support mechanism 5, the anti-slip mechanism 4 includes a first connecting seat 401, a first support arm 402 and a binding belt 403, the first connecting seat 401 The first connection seat 401 is detachably mounted on the outer wall of the first rigid conduit 102. The first support arm 402 is movably mounted on both sides of the first connection seat 401. A buckle 404 is mounted on the top of one end of the first support arm 402. A strap 403 is mounted inside the buckle 404. A spring 405 is mounted on the bottom of one end of the first support arm 402. A silicone plate 406 is mounted on the bottom of the spring 405. When the anti-slip mechanism 4 fixes the entire conduit structure, the first connection seat 401 is first mounted on the first rigid conduit 102. Then, the angle of the first support arm 402 is adjusted so that the silicone plate 406 is attached to the abdomen. Then, the strap 403 in the buckle 404 is used to bind and fix the abdomen. The setting of the spring 405 can provide the ability of buffering and shock absorption. The setting of the silicone plate 406 can prevent damage to the abdominal skin and improve the comfort of fixation.

[0021] The positioning support mechanism 5 includes a second connection seat 501, a second support arm 502 and an arm adjustment component. The second connection seat 501 is detachably mounted on the outer wall of the second hard conduit 103. A arm adjustment component is provided on one side arm of the second connection seat 501. The arm adjustment component is symmetrically provided with a second support arm 502. A branch pipe fixing clamp 503 is provided at one end of the second support arm 502. The positioning support mechanism 5 supports the first branch pipe 2 and the second branch pipe 3. First, the arm adjustment component is used to adjust the angle between the two second support arms 502 as needed, and then the first branch pipe 2 and the second branch pipe 3 are respectively fixed in the branch pipe fixing clamp 503 on the second support arm 502.

[0022] The first connection seat 401 is detachably installed with the outer wall thread of the first hard conduit 102, and the second connection seat 501 is detachably installed with the outer wall thread of the second hard conduit 103. Through this arrangement, the anti-drop mechanism 4 and the positioning support mechanism 5 of the utility model can be disassembled, disinfected and reused.

[0023] The first supporting arm 402 includes a main arm 6 and a supporting arm 7, wherein the main arm 6 is rotatably connected to the first connecting seat 401, and the supporting arm 7 is rotatably connected to one end of the main arm 6. By configuring the first supporting arm 402 to be composed of the main arm 6 and the supporting arm 7, it is possible to prevent the first connecting seat 401 from directly contacting the wound at the position where the abdominal main tube 1 is inserted into the peritoneal cavity to aggravate the pain, and the first connecting seat 401 can be supported, and the rotatable supporting arm 7 and the main arm 6 can be closely fixed to different arc positions of the abdomen.

[0024] The arm adjustment assembly includes a first gear 8, a second gear 9 and a rotating wheel. The first gear 8 and the second gear 9 are respectively provided on one side arm of the second connecting seat 501 through the first rotating shaft and the second rotating shaft. The first gear 8 and the second gear 9 are meshed with each other. Two sets of the second support arm 502 are respectively provided on the first rotating shaft and the second rotating shaft, and a rotating wheel is provided on the first rotating shaft. The rotating wheel drives the first rotating shaft to rotate, and then drives the first gear 8 to rotate. Then, the first gear 8 drives the second rotating shaft equipped with the second gear 9 to rotate synchronously, and the first rotating shaft and the second rotating shaft rotate in opposite directions, so as to adjust the angle between the two second support arm 502.

[0025] A flexible arc plate 10 is provided on one side of the top of the first connection seat 401, and a positioning slot 11 adapted to the diameter of the main pipe 1 is provided on the flexible arc plate 10. The flexible arc plate 10 and the positioning slot 11 can be provided to prevent the soft pipe 101 between the first hard pipe 102 and the second hard pipe 103 from bending.

[0026] The branch pipe fixing clamp 503 is rotatably connected to one end of the second support arm 502, and a fixing groove 12 is provided on the branch pipe fixing clamp 503 that matches the diameters of the first branch pipe 2 and the second branch pipe 3. The branch pipe fixing clamp 503 is rotatably connected to one end of the second support arm 502, and the branch pipe fixing clamp 503 can be rotated after the second support arm 502 adjusts its angle, so as to ensure that the second support arm 502 always maintains a horizontal state.

[0027] The utility model can stably fix the main tube 1 on the abdomen by setting an anti-detachment mechanism 4 to prevent the catheter structure from being separated from the peritoneal cavity due to external pulling. The utility model can fixedly support the first branch tube 2 and the second branch tube 3 by a positioning support mechanism 5, so that the states between the first branch tube 2 and the second branch tube 3 remain symmetrical. At the same time, the positioning support mechanism 5 has high adjustability during the support process, and can change the angle between the first branch tube 2 and the second branch tube 3 after driving the second support force arm 502 to rotate an angle, so as to meet the use requirements.

[0028] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A novel renal dialysis catheter structure, comprising a main tube (1), a first branch tube (2) and a second branch tube (3), wherein the first branch tube (2) and the second branch tube (3) are arranged at one end of the main tube (1), the main tube (1) is composed of a soft catheter (101), a first hard catheter (102) and a second hard catheter (103), and soft catheters (101) are arranged between and at both ends of the first hard catheter (102) and the second hard catheter (103), characterized in that: The first rigid conduit (102) is provided with an anti-slip mechanism (4), and the second rigid conduit (103) is provided with a positioning support mechanism (5), the anti-slip mechanism (4) comprises a first connecting seat (401), a first supporting arm (402) and a binding belt (403), the first connecting seat (401) and the outer wall of the first rigid conduit (102) are detachably mounted, the first supporting arm (402) is movably provided on both sides of the first connecting seat (401), a buckle (404) is provided at the top of one end of the first supporting arm (402), a binding belt (403) is provided inside the buckle (404), a spring (405) is provided at the bottom of one end of the first supporting arm (402), and a silicone plate (406) is provided at the bottom of the spring (405); The positioning support mechanism (5) comprises a second connecting seat (501), a second supporting force arm (502) and a force arm adjustment assembly. The second connecting seat (501) and the outer wall of the second hard conduit (103) are detachably mounted. A force arm adjustment assembly is provided on one side arm of the second connecting seat (501). The force arm adjustment assembly is symmetrically provided with a second supporting force arm (502). A branch pipe fixing clamp (503) is provided at one end of the second supporting force arm (502).

2. A novel renal dialysis catheter structure according to claim 1, characterized in that: The first connection seat (401) and the outer wall of the first hard conduit (102) are detachably mounted via threads, and the second connection seat (501) and the outer wall of the second hard conduit (103) are detachably mounted via threads.

3. A novel renal dialysis catheter structure according to claim 1, characterized in that: The first supporting force arm (402) comprises a main arm rod (6) and a support arm rod (7); the main arm rod (6) is rotatably connected to the first connecting seat (401); and the support arm rod (7) is rotatably connected to one end of the main arm rod (6).

4. A novel renal dialysis catheter structure according to claim 1, characterized in that: The force arm adjustment assembly comprises a first gear (8), a second gear (9) and a rotating wheel. The first gear (8) and the second gear (9) are respectively provided on one side arm of the second connecting seat (501) through the first rotating shaft and the second rotating shaft. The first gear (8) and the second gear (9) are meshed with each other. Two groups of the second supporting force arms (502) are respectively arranged on the first rotating shaft and the second rotating shaft, and a rotating wheel is provided on the first rotating shaft.

5. A novel renal dialysis catheter structure according to claim 1, characterized in that: A flexible arc plate (10) is provided on one side of the top of the first connecting seat (401), and a positioning slot (11) adapted to the diameter of the main pipe (1) is provided on the flexible arc plate (10).

6. A novel renal dialysis catheter structure according to claim 1, characterized in that: The branch pipe fixing clamp (503) is rotatably connected to one end of the second supporting force arm (502), and the branch pipe fixing clamp (503) is provided with a fixing groove (12) adapted to the pipe diameters of the first branch pipe (2) and the second branch pipe (3).