Safety isolation hood for peritoneal dialysis
By designing a safety isolation cover for peritoneal dialysis, the pollution problem caused by loose thread section of the peritoneal fluid permeability pipe joint is solved, forming a closed environment, reducing the risk of infection, and ensuring safe operation.
Patent Information
- Application Number
- CN202420483302.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-13
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-03-13
AI Technical Summary
During peritoneal dialysis, the threaded segments of the peritoneal fluid permeability tube joint are prone to loosening, resulting in exposure to the air, which may be contaminated with contaminants and droplets, increasing the risk of infection.
A safety isolation cover for peritoneal dialysis is designed. The isolation cover body is connected to the liquid inlet pipe and abuts on the end surface of the joint flange to form a closed environment, and an anti-tripping is installed on the isolation cover body to ensure the connection. Not easy to slip and prevent pollutants from entering.
It effectively blocks the pollution of microorganisms, dust and droplets in the environment, reduces the risk of infection of bacteria and viruses through perioperative tube joints, makes the operation safer, and does not require changing the structure of the existing dialysis tube joints.
Smart Images
Figure CN222238442U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of peritoneal dialysis equipment, in particular to a safety isolation cover for peritoneal dialysis. Background Art
[0002] When doing peritoneal dialysis, it is necessary to connect the peritoneal dialysis tube control valve and the peritoneal dialysis fluid tube connector. The peritoneal dialysis fluid tube connector is provided with a threaded section at the end near the peritoneal dialysis tube control valve. The peritoneal dialysis tube control valve is threadedly connected to the threaded section. However, a part of the threaded section of the peritoneal dialysis fluid tube connector is exposed to the air, or is easily loosened during use due to the rotational connection between the peritoneal dialysis tube docking valve and the threaded section of the peritoneal dialysis fluid tube connector. This also causes a part of the thread of the connecting joint to be exposed to the air. This part of the thread may be contaminated with pollutants in the air or human droplets, etc., thereby causing peritoneal infection of the patient through the peritoneal dialysis tube. Utility Model Content
[0003] The utility model aims to provide a safety isolation cover for peritoneal dialysis to solve the problems existing in the above-mentioned prior art. The whole device is not easy to slip off during use and is conveniently used for existing peritoneal dialysis tubes, so that the risk of bacterial and viral infection through peritoneal dialysis tube joints is greatly reduced.
[0004] To achieve the above-mentioned purpose, the utility model provides the following solutions: The utility model provides an isolation cover for peritoneal dialysis, comprising an isolation cover body connected between a peritoneal dialysis tube control valve and a peritoneal dialysis fluid tube joint, the peritoneal dialysis fluid tube joint comprising a joint flange and a threaded tube coaxially connected to the joint flange, the joint flange is provided with a through hole connecting the threaded tube and the peritoneal dialysis fluid tube, the peritoneal dialysis tube control valve comprises a valve body, a liquid inlet pipe and a liquid outlet pipe connected to the valve body, the liquid outlet pipe is connected to the peritoneal dialysis tube, and the liquid inlet pipe is threadedly sleeved on the threaded pipe;
[0005] The isolation cover body is a cylindrical structure with openings at both ends, which surrounds the outer peripheral side of the threaded tube that exposes the liquid inlet pipe. One end of the isolation cover body is sleeved on the liquid inlet pipe, and the other end abuts against the end face of the joint flange. A plurality of anti-drop buckles are provided on the outer peripheral wall of the isolation cover body, and each of the anti-drop buckles is evenly spaced along the circumference of the isolation cover body and can be detachably clamped on the joint flange.
[0006] Preferably, the anti-drop buckle comprises a rotatable and resetting anti-drop plate, the middle part of which is hinged on the outer wall of the isolation cover body, and one end of the anti-drop plate is provided with a hook for hooking the joint flange, and the other end has a movable gap with the isolation cover body.
[0007] Preferably, the hook protrudes from the surface of the anti-slip plate close to the isolation cover body, and moves along the anti-slip plate close to the axis of the isolation cover body. The hook is located on the side of the joint flange away from the threaded pipe, and abuts against the end face of the joint flange away from the threaded pipe.
[0008] Preferably, a spring structure for lifting the anti-slip plate is provided between the end of the anti-slip plate where the hook is not provided and the isolation cover body.
[0009] Preferably, an annular notch is coaxially provided on the end face of the isolation cover body close to the joint flange, the annular notch is located on the inner circumference of the joint flange, the joint flange is coaxially embedded in the annular notch, and the end face of the joint flange away from the threaded pipe is flush with the end face of the isolation cover body, or protrudes from the end face of the isolation cover body.
[0010] Preferably, an annular groove is coaxially opened on the end face of the annular notch close to the peritoneal dialysis tube control valve, a first sealing ring is coaxially embedded in the annular groove, the first sealing ring protrudes out of the notch of the annular groove, and the joint flange abuts against the part of the first sealing ring protruding from the notch.
[0011] Preferably, the liquid inlet pipe is in a straight cylindrical structure, and one end of the isolation cover body away from the joint flange is coaxially rotatably sleeved on the liquid inlet pipe.
[0012] Preferably, a second sealing ring is coaxially provided between the isolation cover body and the liquid inlet pipe, the second sealing ring is embedded in the inner circumferential wall of the isolation cover inner body, protrudes from the inner circumferential wall of the isolation cover body, and abuts against the outer circumferential wall of the liquid inlet pipe.
[0013] Compared with the prior art, the utility model has achieved the following technical effects:
[0014] One end of the isolation cover body is sleeved on the liquid inlet pipe, and the other end is abutted on the end face of the joint flange, so as to form a closed environment for the connection between the peritoneal dialysis fluid pipe joint and the peritoneal dialysis tube control valve. This closed environment is relatively hygienic and dust-free, and effectively shields the pollution of microorganisms, floating dust and droplets in the environment. In addition, by providing an anti-drop buckle on the isolation cover body, it can be detachably connected to the joint flange, so that the isolation cover body is not easy to slip off during use, and there is no need to change the dialysis tube joint structure, so it can be conveniently used in the existing peritoneal dialysis fluid pipeline, and the operation is simple and fast, the use process is safer, and the requirements for the environment are reduced, so that the risk of bacterial and viral infection through the dialysis fluid pipe joint is greatly reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0016] Figure 1 This is a schematic diagram of the connection of the isolation cover body of the utility model;
[0017] Figure 2 This is a schematic diagram of the structure of the isolation cover body of the utility model;
[0018] Figure 3 This is a cross-sectional view of the isolation cover body of the utility model;
[0019] Among them, 1-isolation cover body, 2-spring structure, 3-peritoneal dialysis fluid tube, 4-anti-drop plate, 5-liquid inlet pipeline, 6-peritoneal dialysis tube control valve, 7-pin shaft, 8-first sealing ring, 9-second sealing ring, 10-annular notch, 11-hook, 12-connector flange, 13-threaded section. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] The utility model aims to provide a safety isolation cover for peritoneal dialysis to solve the problems existing in the above-mentioned prior art. The whole device is not easy to slip off during use and is conveniently used for existing peritoneal dialysis tubes, so that the risk of bacterial and viral infection through peritoneal dialysis tube joints is greatly reduced.
[0022] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0023] like Figures 1 to 3As shown, this embodiment provides an isolation cover for peritoneal dialysis, including an isolation cover body 1 connected between a peritoneal dialysis tube control valve 6 and a peritoneal dialysis fluid tube 3 joint, the peritoneal dialysis fluid tube 3 joint includes a joint flange 12 and a threaded tube coaxially connected to the joint flange 12, the joint flange 12 is provided with a through hole connecting the threaded tube and the peritoneal dialysis fluid tube 3, the peritoneal dialysis tube control valve 6 includes a valve body, a liquid inlet pipe 5 and a liquid outlet pipe connected to the valve body, the liquid outlet pipe is connected to the peritoneal dialysis tube, and the liquid inlet pipe 5 is threadedly sleeved on the threaded pipe;
[0024] The isolation cover body 1 is a cylindrical structure with two ends open, which surrounds the outer peripheral side of the threaded pipe that exposes the liquid inlet pipe, and one end of the isolation cover body 1 is sleeved on the liquid inlet pipe 5, and the other end abuts on the end face of the joint flange 12. Specifically, the inner diameter of the end of the isolation cover body 1 sleeved on the liquid inlet pipe 5 is equal to the diameter of the liquid inlet pipe 5, and the inner diameter of the end of the isolation cover body 1 abutting on the joint flange 12 is slightly larger than the threaded pipe. A plurality of anti-dropout buckles are provided on the outer peripheral wall of the isolation cover body 1, and the anti-dropout buckles are evenly spaced along the circumference of the isolation cover body 1, and can be detachably clamped on the joint flange 12.
[0025] One end of the isolation cover body 1 is sleeved on the liquid inlet pipe 5, and the other end is abutted on the end face of the joint flange 12, so as to form a closed environment for the connection between the peritoneal dialysis tube 3 joint and the peritoneal dialysis tube control valve 6. This closed environment is relatively hygienic and dust-free, and effectively shields the pollution of microorganisms, floating dust and droplets in the environment. In addition, by providing an anti-drop buckle on the isolation cover body 1, it can be detachably snapped on the joint flange 12, so that the isolation cover body 1 is not easy to slip off during use, and there is no need to change the dialysis tube joint structure, so it can be conveniently used for the existing peritoneal dialysis tube 3, and the operation is simple and fast, the use process is safer, and the requirements for the environment are reduced, so that the risk of infection of bacteria and viruses through the dialysis fluid pipeline joint is greatly reduced.
[0026] Among them, the anti-drop buckle includes a rotatable and resettable anti-drop plate 4, the middle part of the anti-drop plate 4 is hinged on the outer wall of the isolation cover body 1, and the middle part of the anti-drop plate 4 is preferably hinged on the isolation cover body 1 through a pin shaft 7, and one end of the anti-drop plate 4 is provided with a hook 11 for hooking the joint flange 12, and the other end has a movable gap with the isolation cover body 1. Before the peritoneal dialysis tube control valve 6 and the peritoneal dialysis fluid tube 3 joint are connected relative to each other, the end of the anti-drop plate 4 without the hook 11 is pressed. Since there is a movable gap between it and the isolation cover body 1, after the end of the anti-drop plate 4 without the hook 11 is pressed, the end with the hook 11 is opened. At this time, the end opening of the isolation cover body 1 allows the peritoneal dialysis fluid tube 3 joint to be inserted. At this time, the end of the anti-drop plate 4 without the hook 11 is loosened, and under the resetting action of the anti-drop plate 4, the end with the hook 11 hooks the joint flange 12 to prevent it from sliding off.
[0027] As a preferred embodiment of the utility model, the hook 11 protrudes from the surface of the anti-slip plate 4 close to the isolation cover body 1, and moves along the anti-slip plate 4 close to the axis of the isolation cover body 1. The hook 11 is located on the side of the joint flange 12 away from the threaded pipe, and abuts against the end face of the joint flange 12 away from the threaded pipe so as to be able to hook the joint flange 12.
[0028] Furthermore, it is preferred that a spring structure 2 for lifting the anti-slip plate 4 is provided between the end thereof not provided with the hook 11 and the isolation cover body 1, so as to keep the end of the anti-slip plate 4 provided with the hook 11 always hooked on the joint flange 12, or a torsion spring is provided on the middle part of the anti-slip plate 4 hinged on the outer wall of the isolation cover body 1, so as to keep the end provided with the hook 11 always hooked on the joint flange 12.
[0029] As a preferred embodiment of the utility model, an annular notch 10 is coaxially provided on the end face of the isolation cover body 1 close to the joint flange 12, the annular notch 10 is located on the inner circumference of the joint flange 12, the joint flange 12 is coaxially embedded in the annular notch 10, and the end face of the joint flange 12 away from the threaded pipe is flush with the end face of the isolation cover body 1, or protrudes from the end face of the isolation cover body 1. Further, an annular groove is coaxially provided on the end face of the annular notch 10 close to the peritoneal dialysis tube control valve 6, a first sealing ring 8 is coaxially embedded in the annular groove, the first sealing ring 8 protrudes from the notch of the annular groove, and the joint flange 12 abuts against the part of the first sealing ring 8 protruding from the notch. This forms a clamping and sealed connection between the joint flange 12 and the isolation cover body 1.
[0030] Furthermore, the liquid inlet pipe 5 is in a straight cylindrical structure, and one end of the isolation cover body 1 away from the joint flange 12 is coaxially rotatably sleeved on the liquid inlet pipe 5, so as to be able to adjust the rotation angle of the isolation cover body 1. Specifically, a second sealing ring 9 is coaxially provided between the isolation cover body 1 and the liquid inlet pipe 5, and the second sealing ring 9 is embedded on the inner peripheral wall of the isolation cover inner body, protrudes from the inner peripheral wall of the isolation cover body 1, and abuts against the outer peripheral wall of the liquid inlet pipe 5, so as to achieve a sealed connection while realizing rotation.
[0031] In addition, preferably, the partial structure of the liquid inlet pipe 5 can be improved, wherein a coaxially distributed annular groove and a first annular protrusion are provided between the outer peripheral wall of the liquid inlet pipe 5 and the inner peripheral wall of the isolation cover body 1, and the first annular protrusion is embedded in the annular groove. A pair of second annular protrusions are provided between the outer peripheral wall of the liquid inlet pipe 5 and the inner peripheral wall of the isolation cover body 1, and the two second annular protrusions are coaxially arranged with the first annular protrusions, and the two second annular protrusions are spaced apart along the axial direction, and an annular groove is provided between the two second annular protrusions. This realizes a structure in which the liquid inlet pipe 5 and the isolation cover body 1 are clamped and sealed.
[0032] Adaptive changes made according to actual needs are all within the protection scope of this utility model.
[0033] It should be noted that it is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numerals in the claims should not be regarded as limiting the claims involved.
[0034] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of the present invention. At the same time, for those skilled in the art, according to the idea of the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.
Claims
1. A safety isolation cover for peritoneal dialysis, characterized in that: The invention comprises an isolation cover body connected between a peritoneal dialysis tube control valve and a peritoneal dialysis fluid tube joint, wherein the peritoneal dialysis fluid tube joint comprises a joint flange and a threaded tube coaxially connected to the joint flange, wherein the joint flange is provided with a through hole connecting the threaded tube and the peritoneal dialysis fluid tube, and the peritoneal dialysis tube control valve comprises a valve body, a liquid inlet pipe and a liquid outlet pipe connected to the valve body, wherein the liquid outlet pipe is connected to the peritoneal dialysis tube, and the liquid inlet pipe is threadedly sleeved on the threaded pipe; The isolation cover body is a cylindrical structure with openings at both ends, which surrounds the outer peripheral side of the threaded tube that exposes the liquid inlet pipe. One end of the isolation cover body is sleeved on the liquid inlet pipe, and the other end abuts against the end face of the joint flange. A plurality of anti-drop buckles are provided on the outer peripheral wall of the isolation cover body, and each of the anti-drop buckles is evenly spaced along the circumference of the isolation cover body and can be detachably clamped on the joint flange.
2. The safety isolation cover for peritoneal dialysis according to claim 1, characterized in that: The anti-drop buckle comprises an anti-drop plate which can be rotated and reset. The middle part of the anti-drop plate is hinged on the outer wall of the isolation cover body. One end of the anti-drop plate is provided with a hook for hooking the joint flange, and the other end has a movable gap with the isolation cover body.
3. The safety isolation cover for peritoneal dialysis according to claim 2, characterized in that: The hook protrudes from the surface of the anti-slip plate close to the isolation cover body, and moves with the anti-slip plate close to the axis of the isolation cover body. The hook is located on the side of the joint flange away from the threaded pipe, and abuts against the end face of the joint flange away from the threaded pipe.
4. The safety isolation cover for peritoneal dialysis according to claim 2 or 3, characterized in that: A spring structure for lifting the anti-slip plate is provided between the end of the anti-slip plate where the hook is not provided and the isolation cover body.
5. The safety isolation cover for peritoneal dialysis according to claim 4, characterized in that: An annular notch is coaxially provided on the end face of the isolation cover body close to the joint flange, the annular notch is located on the inner circumference of the joint flange, the joint flange is coaxially embedded in the annular notch, and the end face of the joint flange away from the threaded pipe is flush with the end face of the isolation cover body, or protrudes from the end face of the isolation cover body.
6. The safety isolation cover for peritoneal dialysis according to claim 5, characterized in that: An annular groove is coaxially formed on the end surface of the annular notch near the peritoneal dialysis tube control valve, a first sealing ring is coaxially embedded in the annular groove, the first sealing ring protrudes out of the notch of the annular groove, and the joint flange abuts against the portion of the first sealing ring protruding out of the notch.
7. The safety isolation cover for peritoneal dialysis according to claim 6, characterized in that: The liquid inlet pipeline is in a straight cylindrical structure, and one end of the isolation cover body away from the joint flange is coaxially rotatably sleeved on the liquid inlet pipeline.
8. The safety isolation cover for peritoneal dialysis according to claim 7, characterized in that: A second sealing ring is coaxially arranged between the isolation cover body and the liquid inlet pipe. The second sealing ring is embedded in the inner peripheral wall of the isolation cover inner body, protrudes from the inner peripheral wall of the isolation cover body, and abuts against the outer peripheral wall of the liquid inlet pipe.