Peritoneal dialysis clamp
By designing the adjustment and auxiliary device of the peritoneal dialysis clip, the problem of liquid reflux in the three-way pipeline is solved, and convenient operation of infusion and waste liquid discharge is achieved.
Patent Information
- Application Number
- CN202421381474.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-06-17
AI Technical Summary
During peritoneal dialysis treatment, fluid reflux is prone to occur between the inner walls of the three-way pipe, resulting in inconvenience in infusion.
A peritoneal dialysis clip is designed, including an infusion bag, a tee tube and a waste liquid bag. The opening and closing and limiting of the tee tube is achieved through the adjustment device and auxiliary device to avoid liquid return.
It effectively avoids the return of liquid, facilitates the discharge of infusion and waste fluid, and improves the operational convenience of peritoneal dialysis treatment.
Smart Images

Figure CN223054889U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of peritoneal dialysis, in particular to a peritoneal dialysis clamp. Background Art
[0002] Peritoneal dialysis is to utilize the characteristics of the peritoneum as a semi-permeable membrane, and regularly and periodically pour the prepared dialysate into the peritoneal cavity of the patient through a catheter by gravity, which is relatively common in medical treatment.
[0003] In the prior art, such as the utility model with the publication number of CN206621592U, this patent discloses a flow blocking device for peritoneal dialysis. The patent includes a tube clamping valve, an infrared sensor, a controller and a device housing. The tube clamping valve, the infrared sensor and the controller are all arranged inside the device housing; the peritoneal dialysis pipeline passes through the device housing and is clamped into the tube clamping valve; the infrared sensor is used to detect whether air enters the peritoneal dialysis pipeline; the controller is used to control the tube clamping valve to clamp the peritoneal dialysis pipeline according to the detection result of the infrared sensor. During the dialysis treatment process, when air enters the pipeline, the infrared sensor feeds back a signal to the controller, and the controller sends a signal to the tube clamping valve to activate its tube clamping mechanism. At this time, the pipeline is clamped, and air cannot enter the patient's abdominal cavity through the pipeline, so as to achieve the purpose of protecting the patient.
[0004] It is found in the medical treatment of peritoneal dialysis that during the peritoneal dialysis treatment process, it is necessary to infuse the patient. Usually, a three-way tube is used to connect with an infusion bag and a waste liquid bag for use. During this process, the inner walls of the three-way pipeline will be connected to each other, and liquid reflux is likely to occur, which will lead to the problem that it is inconvenient to infuse the patient normally.
[0005] This application provides a technical solution to solve this technical problem, aiming to provide multiple solution options for those skilled in the art to solve the problem. Summary of the Utility Model
[0006] The purpose of the utility model is to solve the disadvantages existing in the prior art that during the peritoneal dialysis treatment process, it is necessary to infuse the patient. Usually, a three-way tube is used to connect with an infusion bag and a waste liquid bag for use. During this process, the inner walls of the three-way pipeline will be connected to each other, and liquid reflux is likely to occur, which will lead to the problem that it is inconvenient to infuse the patient normally.
[0007] To achieve the above object, the utility model adopts the following technical scheme: a peritoneal dialysis clamp, including an infusion bag, the bottom surface of the infusion bag is fixedly communicated with a three-way pipe, one end of the three-way pipe away from the infusion bag is fixedly communicated with a waste liquid bag, and adjusting devices are arranged on the arc surfaces of the three-way pipe close to the infusion bag and the waste liquid bag. The adjusting device includes a limiting frame, the inner wall of the limiting frame slides through the arc surface of the three-way pipe, sliding grooves are formed on both side surfaces of the limiting frame, the cross section of the sliding groove is in an inverted triangular shape, a limiting rod is fixedly connected to the bottom surface of the inner wall of the sliding groove, a moving plate is slidably connected to the arc surface of the limiting rod, pulleys are rotatably connected to one side of the two moving plates close to each other, the cross-sectional size of the pulley is adapted to the cross-sectional size of the three-way pipe, limiting holes are formed on the upper end surfaces of the moving plates, positioning rods slidably penetrate through the positions of the limiting holes on both side surfaces of the limiting frame, a spring is slidably connected to the arc surface of the positioning rod, and both ends of the spring are fixedly connected to the positioning rod and the limiting frame respectively, and the upper end surfaces of the two positioning rods are rotatably connected to the same connecting rod.
[0008] The effects achieved by the above components are as follows: during the medical peritoneal dialysis treatment process, it is necessary to infuse the patient. Usually, a three-way pipe is used to connect the infusion bag and the waste liquid bag for use. In order to facilitate the opening and closing of the pipes during infusion to avoid the backflow of liquid in the pipes, at this time, the limiting frame is used to penetrate through the surfaces of the three-way pipe close to the infusion bag and the waste liquid bag. After that, when it is necessary to open and close the pipes, only need to pull the moving plates on both sides of the limiting frame, and let the moving plates slide along the sliding grooves by means of the limiting rods, so as to drive the pulleys in the limiting frame to squeeze and close the surface of the three-way pipe. Then, the positioning rods are inserted and fixed with the moving plates, so as to effectively and conveniently open and close the entire three-way pipe, which is convenient for better infusion and discharging of waste liquid.
[0009] Preferably, insertion blocks are fixedly connected to the lower surfaces of the positioning rods, and the cross section of the insertion blocks is in a tapered shape.
[0010] The effects achieved by the above components are as follows: when using the positioning rods, the tapered insertion blocks can be used to insert and connect with the moving plates more conveniently.
[0011] Preferably, a plurality of friction grooves are formed on the surface of the moving plate, and the plurality of friction grooves are evenly distributed on the surface of the moving plate.
[0012] The effects achieved by the above components are as follows: when sliding the moving plate, the friction grooves formed on the surface of the moving plate can increase the friction for better operation.
[0013] Preferably, extrusion pads are fixedly connected to the surfaces of the pulleys, and the surfaces of the extrusion pads are abutted against the arc surface of the three-way pipe.
[0014] The effects achieved by the above components are as follows: The extrusion pad can be used to protect the three-way pipe when the pulley squeezes it, avoiding wear caused by long-term sliding.
[0015] Preferably, auxiliary devices are provided on the bottom surfaces of the two limiting frames. The auxiliary devices include connecting bands. The cross-section of the connecting band is in the shape of a "Y". The two ends of the connecting band are fixedly connected to the bottom ends of the limiting frames. One end of the connecting band away from the limiting frame is fixedly connected with an adapter plate. A fixing frame is fixedly connected to the upper surface of the adapter plate. A rotating block is rotatably connected to the inner wall of the fixing frame. One end of the rotating block is fixedly connected with a closing plate. Coil springs are sleeved on both ends of the inner wall of the fixing frame. The two ends of the coil spring are respectively fixedly connected with the fixing frame and the rotating block. A plurality of inlay blocks are fixedly connected to the sides of the adapter plate and the closing plate close to each other.
[0016] The effects achieved by the above components are as follows: During the peritoneal dialysis of a patient, the patient will be infused through an infusion bag with the help of a three-way pipe, and then the waste liquid will be collected using a waste liquid bag. In order to prevent the three-way pipe from detaching from the patient, first fix it to the limiting frame between the connecting band and the three-way pipe, and then perform clamping fixation through the rotation adjustment between the closing plate and the adapter plate. Rotate the rotating block in the fixing frame on the upper surface of the adapter plate. With the torsional force generated by the coil spring, the rotating block drives the deflection of the position of the closing plate. At the same time, use the inlay blocks on the sides of the closing plate and the adapter plate close to each other to clamp and fix the patient's clothing for limiting, so as to effectively and conveniently limit and protect the position of the three-way pipe.
[0017] Preferably, slots are provided on the sides of the closing plate and the adapter plate away from each other. The same elastic sheet is slidably inserted into the inner walls of the two slots. The cross-section of the elastic sheet is in the shape of a "U".
[0018] The effects achieved by the above components are as follows: The elastic sheet made of an elastic material can effectively squeeze and fix between the closing plate and the adapter plate.
[0019] Preferably, friction pads are fixedly connected to the surfaces of the inlay blocks. The friction pads are rubber pads.
[0020] The effects achieved by the above components are as follows: During the process of squeezing and fixing between the inlay blocks, the rubber friction pads can effectively increase friction and facilitate clamping and limiting.
[0021] In summary, the beneficial effects of the present utility model are as follows:
[0022] In the present utility model, during the medical peritoneal dialysis treatment process, it is necessary to infuse fluids to the patient. Usually, a three-way tube is used to connect the infusion bag and the waste fluid bag for operation. In order to facilitate the opening and closing of the pipelines during fluid infusion and avoid the backflow of fluids in the pipelines, at this time, a limiting frame penetrates through the surfaces of the three-way tube near the infusion bag and the waste fluid bag. When it is necessary to open and close the pipelines later, only need to pull the moving plates on both sides of the limiting frame, and let the moving plates slide along the chute by means of the limiting rods, so as to drive the pulleys in the limiting frame to squeeze and close the surface of the three-way tube. Then, use the positioning rod to insert and fix with the moving plate. Through the operation of the adjusting device, the entire three-way tube can be effectively and conveniently opened and closed, which is convenient for better fluid infusion and waste fluid discharge.
[0023] In the present utility model, during the peritoneal dialysis process for the patient, the patient will be infused with fluids through the infusion bag by means of a three-way tube, and then the waste fluid will be collected by using the waste fluid bag. In order to prevent the three-way tube from detaching from the patient, at this time, first fix the limiting frame between the connecting belt and the three-way tube, and then carry out clamping fixation through the rotational adjustment between the closing plate and the connecting plate. Rotate the rotating block in the fixed frame on the upper surface of the connecting plate, and by means of the torsional force generated by the torsion spring, let the rotating block drive the deflection of the position of the closing plate. At the same time, use the inlaid blocks on the sides where the closing plate and the connecting plate are close to each other to clamp and fix and limit the patient's clothing. Through the operation of the auxiliary device, the mutual adjustment of the positions between the closing plate and the connecting plate is achieved, so as to effectively and conveniently limit and protect the position of the three-way tube. Brief Description of the Drawings
[0024] Attached Figure 1 is the three-dimensional structure schematic diagram of the present utility model;
[0025] Attached Figure 2 is the structure schematic diagram of the adjusting device of the present utility model;
[0026] Attached Figure 3 is the disassembled structure schematic diagram of the adjusting device of the present utility model;
[0027] Attached Figure 4 is the disassembled structure schematic diagram of the auxiliary device of the present utility model.
[0028] Reference numerals shown in the drawings: 1, infusion bag; 2, three-way tube; 3, waste liquid bag; 4, adjusting device; 401, limiting frame; 402, sliding groove; 403, limiting rod; 404, moving plate; 405, pulley; 406, extrusion pad; 407, friction groove; 408, connecting rod; 409, positioning rod; 410, spring; 411, insertion block; 412, limiting hole; 5, auxiliary device; 501, connecting band; 502, connecting plate; 503, fixing frame; 504, rotating block; 505, torsion spring; 506, clamping groove; 507, closing plate; 508, inlay block; 509, friction pad; 510, elastic sheet. Detailed implementation manners
[0029] The following further elaborates on the present utility model in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present utility model and not to limit the scope of the present utility model. In addition, it should be understood that after reading the content taught by the present utility model, those skilled in the art can make various changes or modifications to the present utility model, and these equivalent forms also fall within the scope defined by the appended claims of this application.
[0030] Refer to Figures 1 to 4 As shown, the present utility model provides a technical solution: a peritoneal dialysis clamp, including an infusion bag 1, a three-way tube 2 is fixedly communicated with the bottom surface of the infusion bag 1, a waste liquid bag 3 is fixedly communicated with one end of the three-way tube 2 away from the infusion bag 1, adjusting devices 4 are provided on the arc surfaces of the three-way tube 2 close to the infusion bag 1 and the waste liquid bag 3, and an auxiliary device 5 is provided on the bottom surfaces of the two limiting frames 401.
[0031] The following specifically describes the specific settings and functions of its adjusting device 4 and auxiliary device 5.
[0032] Refer to Figure 2 、 Figure 3As shown in the figure, in this embodiment: The adjusting device 4 includes a limit frame 401. The inner wall of the limit frame 401 slidably penetrates through the arc surface of the tee pipe 2. Chute 402 is provided on both side surfaces of the limit frame 401. The cross-section of the chute 402 is in an inverted triangular shape. The bottom surface of the inner wall of the chute 402 is fixedly connected with a limit rod 403. A moving plate 404 is slidably connected to the arc surface of the limit rod 403. A pulley 405 is rotatably connected to one side of each of the two moving plates 404 close to each other. The cross-sectional dimension of the pulley 405 is adapted to the cross-sectional dimension of the tee pipe 2. Limit holes 412 are provided on the upper surface of each of the moving plates 404. Positioning rods 409 slidably penetrate through the positions of the limit frame 401 corresponding to the limit holes 412 on both side surfaces. A spring 410 is slidably connected to the arc surface of the positioning rod 409. The two ends of the spring 410 are fixedly connected to the positioning rod 409 and the limit frame 401 respectively. The upper surfaces of the two positioning rods 409 are rotatably connected to the same connecting rod 408. Plug blocks 411 are fixedly connected to the lower surfaces of the positioning rods 409. The cross-section of the plug block 411 is in a tapered shape. A plurality of friction grooves 407 are provided on the surface of the moving plate 404. The plurality of friction grooves 407 are evenly distributed on the surface of the moving plate 404. Extrusion pads 406 are fixedly connected to the surfaces of the pulleys 405. The surface of the extrusion pad 406 abuts against the arc surface of the tee pipe 2.
[0033] Referring to Figure 4 As shown in the figure, in this embodiment: The auxiliary device 5 includes a connecting belt 501. The cross-section of the connecting belt 501 is in a "Y" shape. The two ends of the connecting belt 501 are fixedly connected to the bottom end of the limit frame 401. One end of the connecting belt 501 away from the limit frame 401 is fixedly connected with an adapter plate 502. A fixing frame 503 is fixedly connected to the upper surface of the adapter plate 502. A rotating block 504 is rotatably connected to the inner wall of the fixing frame 503. One end of the rotating block 504 is fixedly connected with a closing plate 507. Coil springs 505 are sleeved on both ends of the inner wall of the fixing frame 503. The two ends of the coil spring 505 are fixedly connected to the fixing frame 503 and the rotating block 504 respectively. A plurality of inlay blocks 508 are fixedly connected to one side of the adapter plate 502 and the closing plate 507 close to each other. Card slots 506 are provided on one side of the closing plate 507 and the adapter plate 502 away from each other. The same elastic sheet 510 is slidably inserted into the inner walls of the two card slots 506. The cross-section of the elastic sheet 510 is in a "U" shape. Friction pads 509 are fixedly connected to the surfaces of the inlay blocks 508. The friction pad 509 is a rubber pad.
[0034] Detailed usage method: During the medical peritoneal dialysis treatment process, the patient needs to be infused. Usually, the three-way tube 2 is used to connect with the infusion bag 1 and the waste liquid bag 3 for operation. In order to facilitate the opening and closing of the pipelines during infusion and avoid the backflow of liquid in the pipelines, at this time, the limiting frame 401 is slid through the surfaces of the three-way tube 2 close to the infusion bag 1 and the waste liquid bag 3. Then, when opening and closing the pipelines, just pull the moving plates 404 on both sides of the limiting frame 401, so that the moving plates 404 slide along the sliding grooves 402 by means of the limiting rods 403, and at the same time drive the rollers 405 in the limiting frame 401 to squeeze the surface of the three-way tube 2 until the rollers 405 squeeze and close the three-way tube 2. Then, pull the connecting rod 408 again, so that the positioning rods 409 at both ends of the connecting rod 408 are inserted into the limiting holes 412 opened on the upper surface of the moving plate 404, thus effectively and conveniently opening and closing the entire three-way tube 2, facilitating better infusion and discharging of waste liquid.
[0035] During the peritoneal dialysis process of the patient, the patient will be infused through the infusion bag 1 with the help of the three-way tube 2, and then the waste liquid will be collected by using the waste liquid bag 3. In order to prevent the three-way tube 2 from falling off the patient, first fix the limiting frame 401 between the connecting belt 501 and the three-way tube 2 at this time. Then, rotate the closing plate 507 and the connecting plate 502 relative to each other. At this time, rotate the rotating block 504 in the fixing frame 503 on the upper surface of the connecting plate 502, and with the torsional force generated by the torsion spring 505, let the rotating block 504 drive the deflection of the position of the closing plate 507. At the same time, use the inlaid blocks 508 on the sides where the closing plate 507 and the connecting plate 502 are close to each other to clamp and fix the patient's clothing for limiting, so as to adjust the relative positions between the closing plate 507 and the connecting plate 502, and conveniently limit and protect the position of the three-way tube 2.
Claims
1. Peritoneal dialysis clamp, including an infusion bag (1), characterized in that: The bottom surface of the infusion bag (1) is fixedly communicated with a three-way pipe (2). One end of the three-way pipe (2) far from the infusion bag (1) is fixedly communicated with a waste liquid bag (3). Adjusting devices (4) are arranged on the arc surfaces of the three-way pipe (2) close to the infusion bag (1) and the waste liquid bag (3). The adjusting device (4) includes a limit frame (401). The inner wall of the limit frame (401) slidably penetrates the arc surface of the three-way pipe (2). Sliding grooves (402) are formed on both side surfaces of the limit frame (401). The cross section of the sliding groove (402) is in an inverted triangular shape. A limit rod (403) is fixedly connected to the bottom surface of the inner wall of the sliding groove (402). A moving plate (404) is slidably connected to the arc surface of the limit rod (403). Pulley (405) is rotatably connected to one side of each of the two moving plates (404) close to each other. The cross-sectional dimension of the pulley (405) is adapted to the cross-sectional dimension of the three-way pipe (2). Limit holes (412) are formed on the upper end surfaces of the moving plates (404). Positioning rods (409) slidably penetrate the positions of the limit holes (412) on both side surfaces of the limit frame (401). A spring (410) is slidably connected to the arc surface of the positioning rod (409). The two ends of the spring (410) are respectively fixedly connected to the positioning rod (409) and the limit frame (401). The upper end surfaces of the two positioning rods (409) are rotatably connected to the same connecting rod (408).
2. The peritoneal dialysis clamp according to claim 1, wherein: Plug blocks (411) are fixedly connected to the lower surfaces of the positioning rods (409). The cross section of the plug block (411) is in a tapered shape.
3. The peritoneal dialysis clamp according to claim 1, wherein: A plurality of friction grooves (407) are formed on the surface of the moving plate (404). The plurality of friction grooves (407) are evenly distributed on the surface of the moving plate (404).
4. The peritoneal dialysis clamp according to claim 1, characterized in that: Extrusion pads (406) are fixedly connected to the surfaces of the pulleys (405). The surfaces of the extrusion pads (406) are in contact with the arc surface of the three-way pipe (2).
5. The peritoneal dialysis clamp according to claim 1, wherein: Auxiliary devices (5) are arranged on the bottom surfaces of the two limit frames (401). The auxiliary device (5) includes a connecting band (501). The cross section of the connecting band (501) is in a "Y" shape. The two ends of the connecting band (501) are fixedly connected to the bottom ends of the limit frames (401). One end of the connecting band (501) far from the limit frame (401) is fixedly connected to an adapter plate (502). A fixing frame (503) is fixedly connected to the upper surface of the adapter plate (502). A rotating block (504) is rotatably connected to the inner wall of the fixing frame (503). A closing plate (507) is fixedly connected to one end of the rotating block (504). Coil springs (505) are sleeved on both ends of the inner wall of the fixing frame (503). The two ends of the coil spring (505) are respectively fixedly connected to the fixing frame (503) and the rotating block (504). A plurality of inlay blocks (508) are fixedly connected to the sides of the adapter plate (502) and the closing plate (507) close to each other.
6. The peritoneal dialysis clamp according to claim 5, characterized in that: On one side of the closing plate (507) and the connecting plate (502) away from each other, a clamping groove (506) is provided. The inner walls of the two clamping grooves (506) are slidably inserted with the same elastic sheet (510), and the cross-section of the elastic sheet (510) is in a "U" shape.
7. The peritoneal dialysis clamp according to claim 5, wherein: Friction pads (509) are fixedly connected to the surfaces of the inlay blocks (508), and the friction pads (509) are rubber pads.
Citation Information
Patent Citations
Choked flow device for peritoneal dialysis
CN206621592U