A hemodialysis catheter protection device

Abstract

The utility model relates to medical auxiliary equipment field especially, and more particularly relates to a hemodialysis catheter protection device, it includes upper box body, lower box body and bandage, upper box body and lower box body cover and form protection cavity, and the both ends of protection cavity are equipped with let department, and let department is used for intercommunication protection cavity with outside, and let department is equipped with sealing ring in, let department is located in one side in protection cavity and is equipped with rotating shaft and flap, and flap rotates between first position and second position around rotating shaft, flap is turned over to first position state, and flap and let department abut, are used for closing let department, flap is turned over to second position state, and protection cavity is connected with outside through let department, and hemodialysis catheter can be equipped in let department, and sealing ring and hemodialysis catheter interference fit, avoid oppression pipeline, and protection cavity sealing performance is good, waterproof and dirtproof, and flap and the bottom surface inboard of lower box body abut, bandage can be slidably installed in the bottom of lower box body, and solve the problem that hemodialysis catheter is easily contaminated and easily falls off.

Description

Technical Field

[0001] This utility model relates to the field of medical auxiliary equipment, and in particular to a hemodialysis catheter protection device. Background Technology

[0002] In current techniques, treatment towels are commonly used to wrap hemodialysis catheters. However, with patient movement and treatment procedures, these towels may fall off, unwrap, or shift under various circumstances, causing inconvenience and additional workload for nursing care. Disposable treatment towels are generally chosen, but they are too light and easily blown away by the wind; reusable treatment towels used in operating rooms are too heavy and can compress the catheter, leading to poor tracking and potential dislodgement during turning or movement. Furthermore, during hemodialysis catheter placement, patients often sweat due to daily activities and poor compliance, resulting in the gauze covering the catheter becoming wet and the catheter itself becoming contaminated. Continued use of a contaminated hemodialysis catheter may cause local skin redness, swelling, fever, pain, and even other purulent discharge or other symptoms of infection. Catheter dislodgement or severe infection can be fatal for patients with renal failure. Once catheter-related infection is suspected, removal and replacement are often chosen, which is costly, reduces the number of puncture sites, and has adverse effects on the patient.

[0003] Therefore, it is very important to keep patients' hemodialysis catheters clean and hygienic in daily life, prevent infection, and secure them properly. There is a need to develop a hemodialysis catheter protection device to reduce the possibility of contamination of the hemodialysis catheters. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a hemodialysis catheter protection device.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows: A hemodialysis catheter protection device includes an upper housing, a lower housing, and a strap. The upper and lower housings are closed to form a protective cavity. Both ends of the protective cavity have clearance portions for connecting the protective cavity to the outside. A sealing ring is provided within each clearance portion. A rotating shaft and a flap are provided on the side of the clearance portion located within the protective cavity. The flap rotates around the rotating shaft between a first position and a second position. When the flap is flipped to the first position, it abuts against the sealing ring to close the clearance portion. When the flap is flipped to the second position, the protective cavity is connected to the outside through the clearance portion, and the hemodialysis catheter can be inserted into the clearance portion. The flap is located below the hemodialysis catheter. The strap is slidably installed at the bottom of the lower housing.

[0006] Preferably, a torsion spring is provided on the rotating shaft, and the torsion spring applies a force toward the clearance portion to the flap.

[0007] Preferably, the upper box body is provided with two pressure plates, and a first receiving groove for accommodating the flip plate is formed between the pressure plates and the upper box body. When the upper box body and the lower box body are closed and the flip plate is flipped to the first position, the flip plate part is located in the first receiving groove.

[0008] Preferably, the pressure plate has a downward inclined surface that slopes from the upper box body towards the center of the protective cavity.

[0009] Preferably, the upper box body has two layers of locking plates on its side, and a second receiving groove is formed between the two layers of locking plates to accommodate the side of the lower box body.

[0010] Preferably, a sealing strip is also included, which is installed in the second receiving groove.

[0011] As a preferred embodiment, it also includes a buckle and a locking platform. The buckle is located on the upper box body, and the locking platform is located on the lower box body. When the upper and lower box bodies are closed, the buckle is locked onto the locking platform.

[0012] Preferably, a heart rate monitor is also included, which is installed at the bottom of the lower housing.

[0013] Preferably, a flow stop clamp is also included, which is installed inside the protective cavity.

[0014] Preferably, the bottom of the lower box is provided with a strap mounting part, and the strap is provided with a movable part that can slide through the strap mounting part.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: (1) The hemodialysis catheter protection device proposed in this application adopts a relief section structure design so as to place the catheter connector of the hemodialysis catheter in the protection cavity. Furthermore, by setting a sealing ring and a flap to close the relief section where no pipeline passes through, the hemodialysis catheter in the protection cavity is kept clean and hygienic, and the hemodialysis catheter located in the protection cavity is prevented from being contaminated.

[0016] (2) The sealing ring of the hemodialysis catheter protection device proposed in this application can effectively prevent water and sweat. The sealing ring is made of rubber and has an interference fit with the hemodialysis catheter, which has good sealing and following performance. Furthermore, the combination structure of torsion spring, pressure plate and flap is adopted so that the flap can be pressed on one side of the relief part when the relief part is closed, which ensures the sealing of the protection cavity. It is highly practical. In addition, the upper box body is provided with a second receiving groove to accommodate the side of the lower box body, so as to seal the protection cavity and have good sealing performance.

[0017] (3) The hemodialysis catheter protection device proposed in this application combines the structure of the lower box and the strap to prevent the hemodialysis catheter protection device from falling off due to patient activity factors or weight. Furthermore, the strap is provided with a movable part to allow space for the patient to move the hemodialysis catheter and the hemodialysis catheter protection device during daily activities, thus solving the problems of easy hemodialysis catheter dislodgement and poor compliance. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application; Figure 2 This is a cross-sectional structural diagram of an embodiment of this application; Figure 3 for Figure 2 Enlarged view of part of the structure; Figure 4 This is a structural diagram showing the upper box body removed in an embodiment of this application; Figure 5 This is an exploded structural diagram of the upper and lower box bodies according to an embodiment of this application; Figure 6 This is a schematic diagram of the upper box structure according to an embodiment of this application. Figure 1 ; Figure 7 This is a schematic diagram of the upper box structure according to an embodiment of this application. Figure 2 ; Figure 8 This is a schematic diagram of the lower box structure according to an embodiment of this application. Figure 1 ; Figure 9 This is a schematic diagram of the lower box structure according to an embodiment of this application. Figure 2 ; Figure 10 A schematic diagram illustrating the use of embodiments of this application for hemodialysis in hemodialysis patients; Reference numerals: 1. Upper box body; 11. Pressure plate; 111. Lower inclined surface; 12. First receiving groove; 13. Locking plate; 131. Second receiving groove; 14. Sealing strip; 15. Buckle; 2. Lower box body; 21. Rotating shaft; 22. Flip plate; 23. Torsion spring; 24. Locking platform; 25. Strap mounting part; 3. Strap; 31. Movable part; 41. Relief part; 411. Upper relief part; 412. Lower relief part; 42. Sealing ring; 421. Upper sealing ring; 422. Lower sealing ring; 5. Heart rate monitor; 6. Flow stop clamp; 7. Hemodialysis catheter; 8. Hemodialysis outer tube. Detailed Implementation

[0019] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments. The accompanying drawings are merely illustrative to facilitate understanding of the present invention, and their specific proportions can be adjusted according to design requirements. The vertical relationships of relative elements and the definitions of front / back in the graphics described herein should be understood by those skilled in the art to refer to the relative positions of the components; therefore, they can all be flipped to present the same component, and all of this should fall within the scope disclosed in this specification.

[0020] refer to Figures 1 to 10 This application proposes a hemodialysis catheter protection device, comprising an upper housing 1, a lower housing 2, and a strap 3. The upper housing 1 and lower housing 2 are closed to form a protective cavity. Both ends of the protective cavity are provided with clearance portions 41 for connecting the protective cavity to the outside. A sealing ring 42 is provided within each clearance portion 41. A rotating shaft 21 and a flap 22 are provided on the side of the clearance portion 41 located within the protective cavity. The flap 22 rotates around the rotating shaft 21 between a first position and a second position. Specifically, refer to... Figure 2 and Figure 3 When the flap 22 is flipped to the first position, the flap 22 abuts against the sealing ring 42 to close the clearance part 41. The flap 22 has a structural design that closes the clearance part 41 where no tubing passes through, in order to keep the inside of the protective cavity clean and hygienic and prevent the hemodialysis catheter 7 inside the protective cavity from being contaminated. When the flap 22 is flipped to the second position, the protective cavity is connected to the outside through the clearance part 41. The hemodialysis catheter 7 or the hemodialysis external tube 8 connected to the hemodialysis machine can be inserted into the clearance part 41. The flap 22 is located below the hemodialysis catheter 7. By placing the catheter connector of the hemodialysis catheter 7 in the protective cavity, the tubing can be prevented from being compressed. The sealing ring 42 is press-fitted with the hemodialysis catheter 7, which is waterproof and contamination-proof. The strap 3 can be slidably installed at the bottom of the lower box 2. Specifically, the bottom of the lower box 2 is provided with two strap mounting parts 25, and a hollow rectangle is opened on the strap 3. The strap body of the strap 3 next to the two long sides of the rectangle is a movable part 31. The two movable parts 31 are respectively inserted into the strap mounting parts 25. The lower box 2 can slide along the long side of the rectangle. Through the structural combination of the lower box 2 and the strap 3, the hemodialysis catheter protection device is prevented from falling off due to patient activity or weight. Furthermore, the movable part 31 is provided on the strap 3 to reserve space for the patient to move the hemodialysis catheter 7 and the hemodialysis catheter protection device when performing daily activities, thus solving the problems of easy dislodgement of the hemodialysis catheter 7 and poor compliance.

[0021] In a specific embodiment, refer to Figures 2 to 8The clearance portion 41 includes an upper clearance portion 411 and a lower clearance portion 412 in an arc shape, and the sealing ring 42 includes an upper sealing ring 421 and a lower sealing ring 422 in an arc shape. The upper sealing ring 421 is fitted inside the upper clearance portion 411, and the lower sealing ring 422 is fitted inside the lower clearance portion 412. When the upper box 1 and the lower box 2 are closed, the upper clearance portion 411 and the lower clearance portion 412 form a circular clearance portion 41. The two ends of the upper sealing ring 421 and the lower sealing ring 422 respectively abut against each other to form a circular hole for the hemodialysis catheter 7 or the hemodialysis outer tube 8 to pass through. Specifically, both the upper sealing ring 421 and the lower sealing ring 422 are made of rubber rings. The sealing ring 42 forms an interference fit seal with the hemodialysis catheter 7, giving the clearance portion 41 better sealing and waterproof performance.

[0022] In a specific embodiment, refer to Figure 2 , Figure 3 , Figure 4 and Figure 8 A torsion spring 23 is provided on the rotating shaft 21. The torsion spring 23 applies a force to the flap 22 toward the relief portion 41. When there is no hemodialysis catheter 7 or hemodialysis tube 8 in the relief portion 41, the elastic force of the torsion spring 23 drives the flap 22 to flip to the first position to close the relief portion 41. Further, the upper box body 1 is provided with two pressure plates 11. A first receiving groove 12 for accommodating the flap 22 is formed between the pressure plates 11 and the upper box body 1. When the upper box body 1 and the lower box body 2 are closed and the flap 22 is flipped to the first position, the flap 22 is partially located in the first receiving groove 12 to press the flap 22 toward the relief portion 41 to ensure sealing. Specifically, the pressure plate 11 is also provided with a downward inclined surface 111 that slopes from the upper box 1 to the lower box 2 toward the center of the protective cavity, so as to ensure that even if the flip plate 22 is not aligned with the first receiving groove 12 during the closing process of the upper box 1 and the lower box 2, it can still be guided into the first receiving groove 12 for convenient use.

[0023] In a specific embodiment, refer to Figure 3 , Figure 5 and Figure 6 The upper box 1 has two layers of locking plates 13 on its side, and a second receiving groove 131 is formed between the two layers of locking plates 13 to accommodate the side of the lower box 2. A sealing strip 14 is installed in the second receiving groove 131 to seal the side of the protective cavity. The upper box 1 and the lower box 2 are fixed in relative position by the buckle 15 and the locking platform 24, which improves the compliance of the hemodialysis catheter protection device and makes it less likely to fall off. Specifically, the buckle 15 is provided on the upper box 1 and the locking platform 24 is provided on the lower box 2. When the upper box 1 and the lower box 2 are closed, the buckle 15 is locked on the locking platform 24.

[0024] In a specific embodiment, it also includes a heart rate monitor 5 and a flow stop clamp 6, see reference. Figure 5 and Figure 9The heart rate monitor 5 is installed at the bottom of the lower housing 2 to facilitate real-time monitoring of the patient's heart rate and to transmit and display the monitoring results on a wireless device; Reference Figure 10 The flow stop clamp 6 is installed inside the protective cavity and on the outside of the hemodialysis catheter 7 to facilitate the control of the opening and closing of the hemodialysis catheter 7.

[0025] The following description further illustrates the process of using a hemodialysis catheter protection device proposed in this application by a hemodialysis patient.

[0026] Hemodialysis patients often require single-lumen or multi-lumen deep venous catheters due to the use of irritating medications such as intravenous fluids, vasoactive drugs, and chemotherapy drugs. These include central venous catheters (CVCs) placed via the internal jugular or femoral veins, as well as peripherally inserted central catheters (PICCs) or peripherally inserted quasi-qualified catheters (PQCs) placed via the median cubital or basilic veins. The indwelling time for these catheters typically ranges from one week to several months. (Reference) Figure 1 When a hemodialysis patient does not need to undergo hemodialysis, the movable part 31 of the strap 3 slides through the strap mounting part 25 of the lower box 2, and the hemodialysis catheter 7 with the stop clamp 6 is installed in the lower box 2. The hemodialysis catheter 7 is then secured to the lower relief part 412 at one end of the lower box 2, and the stop clamp 6 is located in the lower box 2. The flap 22 next to the lower relief part 412 at the other end flips to the first position. The upper box 1 and lower box 2 are closed together, with the upper sealing ring 421 and lower sealing ring 422 interlocking with the hemodialysis catheter 7. The side of the lower box 2 is installed in the second receiving groove 131 of the upper box 1, and the flap 22 next to the lower relief portion 412 at the other end is placed in one of the first receiving grooves 12 of the upper box 1. The corresponding pressure plate 11 presses the flap 22 toward the relief portion 41 to seal the protective cavity. Then, the buckle 15 is snapped onto the locking platform 24 to fix the relative positions of the upper box 1 and lower box 2. Finally, the strap 3 is tied to the patient to prevent the hemodialysis catheter 7 and the hemodialysis catheter protection device from falling off. Figure 10 An example is given of securing the hemodialysis catheter protection device to the patient using strap 3. When the hemodialysis patient undergoes hemodialysis, the upper housing 1 and the lower housing 2 are opened, and the flap 22 next to the lower recess 412 at the other end of the lower housing 2 is also flipped to the first position. The hemodialysis outer tube 8 is connected to the hemodialysis catheter 7, and the hemodialysis outer tube 8 is secured to the lower recess 412 at the other end of the lower housing 2 for hemodialysis. Furthermore, the upper housing 1 and the lower housing 2 can be closed to seal the protective cavity.

[0027] The hemodialysis catheter protection device proposed in this application places the catheter connector of the hemodialysis catheter 7 inside the upper box 1 and the lower box 2 to form a protective cavity, which avoids compression of the pipeline. The protective cavity has good sealing performance, is waterproof and dirt-proof, and solves the problems of the hemodialysis catheter 7 being easily contaminated and easily falling off.

[0028] The above embodiments are only used to further illustrate the technical solution of this utility model, but this utility model is not limited to the embodiments. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of this utility model shall fall within the protection scope of the technical solution of this utility model.

Claims

1. A hemodialysis catheter protection device, characterized in that: The device includes an upper box, a lower box, and a strap. The upper and lower boxes close together to form a protective cavity. Both ends of the protective cavity have clearance portions for connecting the cavity to the outside. A sealing ring is located within each clearance portion. A rotating shaft and a flap are located on the side of the clearance portion within the protective cavity. The flap rotates around the rotating shaft between a first position and a second position. When the flap is flipped to the first position, it abuts against the sealing ring to close the clearance portion. When the flap is flipped to the second position, the protective cavity connects to the outside through the clearance portion, and a hemodialysis catheter can be inserted into the clearance portion. The flap is located below the hemodialysis catheter. The strap is slidably installed at the bottom of the lower box.

2. The hemodialysis catheter protection device according to claim 1, characterized in that: A torsion spring is provided on the rotating shaft, and the torsion spring applies a force toward the clearance portion to the flap.

3. The hemodialysis catheter protection device according to claim 1, characterized in that: The upper box is provided with two pressure plates, and a first receiving groove is formed between the pressure plates and the upper box to accommodate the flip plate. When the upper box and the lower box are closed and the flip plate is flipped to the first position, the flip plate is located in the first receiving groove.

4. A hemodialysis catheter protection device according to claim 3, characterized in that: The pressure plate has a downward inclined surface that slopes from the upper box body towards the center of the protective cavity.

5. A hemodialysis catheter protection device according to claim 1, characterized in that: The upper box body has two layers of locking plates on its side, and a second receiving groove is formed between the two layers of locking plates to accommodate the side of the lower box body.

6. A hemodialysis catheter protection device according to claim 5, characterized in that: It also includes a sealing strip, which is installed in the second receiving groove.

7. A hemodialysis catheter protection device according to claim 5, characterized in that: It also includes a buckle and a locking platform. The buckle is located on the upper box body, and the locking platform is located on the lower box body. When the upper and lower box bodies are closed, the buckle is locked onto the locking platform.

8. A hemodialysis catheter protection device according to claim 1, characterized in that: It also includes a heart rate monitor, which is installed at the bottom of the lower housing.

9. A hemodialysis catheter protection device according to claim 1, characterized in that: It also includes a flow stop clamp, which is installed inside the protective cavity.

10. A hemodialysis catheter protection device according to claim 1, characterized in that: The bottom of the lower box is provided with a strap mounting part, and the strap is provided with a movable part, which can slide through the strap mounting part.

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