Rotary connection peritoneal dialysis fluid replacement protection device

Abstract

This invention discloses a rotating peritoneal dialysis fluid exchange protection device, comprising a box with a lid and a rotating structure capable of holding the end of a peritoneal dialysis fluid double tubing. When the lid is closed, one side of the lid mates with one side of the box to form a connector positioning structure and a connector positioning hole capable of holding the end of the peritoneal dialysis external short tubing connector. The other side of the lid mates with the other side of the box to form a tubing end positioning structure and a tubing end positioning hole for the peritoneal dialysis fluid double tubing. The tubing end positioning hole is coaxial with the connector positioning hole and transitionally engages with the rotating structure. This invention has advantages such as convenient operation and effective prevention of external contamination.

Description

Technical Field

[0001] This invention relates to the field of peritoneal dialysis technology, and more particularly to a rotating peritoneal dialysis fluid exchange protection device. Background Technology

[0002] Peritoneal dialysis is a treatment method that uses the peritoneum as a semi-permeable membrane. It uses gravity to infuse prepared dialysis fluid into the patient's peritoneal cavity through a catheter. By continuously replacing the peritoneal dialysis fluid, the aim is to remove metabolic products and toxic substances from the body and correct water and electrolyte imbalances. It is commonly used to treat patients with uremia.

[0003] When performing peritoneal dialysis, the connector of the peritoneal dialysis external catheter needs to be connected to the end of the peritoneal dialysis fluid double catheter for fluid exchange. The specific routine procedure is as follows: Hold the connector of the peritoneal dialysis external catheter connected to the patient's body with your left hand and hold the end of the peritoneal dialysis fluid double catheter with your right hand. Then, remove the iodine cap from the connector of the peritoneal dialysis external catheter held by your right hand, and remove the pull ring cap from the end of the peritoneal dialysis fluid double catheter held by your left hand. Then, bring the peritoneal dialysis external catheter and the peritoneal dialysis fluid double catheter closer together, insert the connector of the peritoneal dialysis external catheter into the end of the peritoneal dialysis fluid double catheter, and tighten it.

[0004] The above procedures must be performed under sterile conditions. Otherwise, if the connector of the peritoneal dialysis external tubing with the iodine cap removed or the end of the peritoneal dialysis fluid double tubing with the pull ring cap removed is contaminated, the dialysis fluid flowing through it may be contaminated, which may lead to peritonitis and other complications, endangering the patient's life.

[0005] The points in the above-mentioned operations that are prone to contamination are as follows: When the right hand removes the iodine cap from the connector of the peritoneal dialysis external tubing held by the left hand, the right hand is holding the end of the peritoneal dialysis tubing, making the operation inconvenient, and the end of the connector connected to the tubing end is easily touched by the hand or the outer wall of the tubing end, causing the connector to be pre-contaminated. Similarly, when the left hand removes the pull ring cap from the end of the peritoneal dialysis fluid double tubing held by the right hand, the left hand is holding the connector of the peritoneal dialysis external tubing, making the operation inconvenient, and the end of the tubing end connected to the connector is also easily touched by the hand or the outer wall of the connector, causing the tubing end to be pre-contaminated.

[0006] Therefore, how to avoid contamination during peritoneal dialysis fluid exchange has become an urgent technical problem to be solved. Summary of the Invention

[0007] The purpose of this invention is to provide a peritoneal dialysis fluid exchange protection device with a rotating connection that is easy to operate and can effectively avoid external contamination.

[0008] To achieve the above objectives, the present invention adopts the following technical solution:

[0009] This invention provides a rotating connection peritoneal dialysis fluid exchange protection device, including a box with a lid and a rotating structure capable of holding the end of a peritoneal dialysis fluid double tube. When the lid is closed, one side of the lid mates with one side of the box to form a connector positioning structure and a connector positioning hole capable of holding the end of the peritoneal dialysis external short tube. The other side of the lid mates with the other side of the box to form a tube positioning structure and a tube positioning hole. The tube positioning hole is coaxial with the connector positioning hole and transitionally engages with the rotating structure.

[0010] Furthermore, the rotating structure includes a cylindrical body, which is slidably fitted with a tube head positioning hole, and one end of the cylindrical body is an open end and the other end of the cylindrical body is provided with a slot that can hold the tube head of the peritoneal dialysis fluid double tube, and a strip-shaped opening is provided along the length direction of the cylindrical body, and the strip-shaped opening is connected to the slot.

[0011] Furthermore, the connector positioning structure includes a connector positioning seat and a connector positioning groove. The connector positioning seat is located on the side of the box cover away from the tube head positioning structure, and the bottom surface of the connector positioning seat has an upper half-hole for connector positioning. The connector positioning groove is located on the side wall of the box away from the tube head positioning structure, and the bottom surface of the connector positioning groove has a lower half-hole for connector positioning. When the box cover is closed, the connector positioning seat and the connector positioning groove fit together, and the upper half-hole and the lower half-hole for connector positioning cooperate to form a connector positioning hole.

[0012] Furthermore, the pipe head positioning structure includes an upper pipe head positioning seat and a lower pipe head positioning seat. The upper pipe head positioning seat is located on the side of the box cover away from the connector positioning structure, and the bottom surface of the upper pipe head positioning seat has an upper pipe head positioning half hole. The lower pipe head positioning seat is located on the side of the box away from the connector positioning structure, and the side of the lower pipe head positioning seat close to the connector positioning structure has a pipe head positioning groove, and the top surface of the lower pipe head positioning seat has a lower pipe head positioning half hole. When the box cover is closed, the bottom surface of the box cover is in contact with the top surface of the lower pipe head positioning seat, the upper pipe head positioning seat is in contact with the pipe head positioning groove, and the upper pipe head positioning half hole and the lower pipe head positioning half hole cooperate to form a pipe head positioning hole.

[0013] Furthermore, the inner walls of the bayonet, the upper half-hole of the connector positioning, and the lower half-hole of the connector positioning are all provided with a rubber layer.

[0014] Furthermore, one side of the lid is hinged to one side of the box, and the other side of the lid is snapped into place with the other side of the box.

[0015] Furthermore, the lid is made of a transparent material.

[0016] Due to the adoption of the above structure, the present invention has the following beneficial effects:

[0017] This invention, through the inclusion of a rotating structure and coaxial connector and tube head positioning holes formed when the lid is closed, allows for efficient operation. During use, after the iodine cap on the connector of the peritoneal dialysis external tubing is removed, the connector is secured by the positioning hole, with the end of the connector connected to the tube head inside the box. The rotating structure then secures the tube head of the peritoneal dialysis fluid double tubing, with the end of the tube head connected to the connector extending beyond the rotating structure. Removing the pull ring cap from the tube head and pushing the rotating structure through the positioning hole towards the connector positioning hole allows the connector to be inserted into the tube head. The tube head is then tightened by rotating the structure. This effectively prevents external contamination of the connector and tube head during peritoneal dialysis fluid exchange and facilitates operation.

[0018] The invention will become clearer from the following description, taken in conjunction with the accompanying drawings, which are used to explain embodiments of the invention. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 This is a schematic diagram of the rotating structure of the present invention. Detailed Implementation

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] Please refer to Figure 1 and Figure 2This invention provides a rotating connection peritoneal dialysis fluid exchange protection device, including a box 2 with a cover 1, and a rotating structure 3 capable of holding the end of the peritoneal dialysis fluid double tube. When the cover 1 is closed, one side of the cover 1 cooperates with one side of the box 2 to form a connector positioning structure 4 and a connector positioning hole capable of holding the end of the peritoneal dialysis external short tube. The other side of the cover 1 cooperates with the other side of the box 2 to form a tube positioning structure 5 and a tube positioning hole. The tube positioning hole is coaxial with the connector positioning hole and transitionally engages with the rotating structure 3. The rotating structure 3 can move and rotate axially along the tube positioning hole and slide into the box 2 through the tube positioning hole, allowing the end of the peritoneal dialysis fluid double tube held in the rotating structure 3 to move towards the connector positioning hole until the end is inserted into the connector and the rotating structure 3 drives the end to rotate and tighten. The present invention has a simple structure, is easy to operate and clean and disinfect. It can also be disinfected by adding ultraviolet lamps or other disinfection equipment to the lid 1 or box 2.

[0024] In this invention, the rotating structure 3 includes a cylindrical body 31, which slides into a tube head positioning hole. One end of the cylindrical body 31 is open, and the other end has a locking slot 32 for holding the tube head of the peritoneal dialysis fluid double tube. A strip-shaped opening 33 is formed along the length of the cylindrical body 31, communicating with the locking slot 32 to form a notch, facilitating the insertion of the peritoneal dialysis fluid double tube head into the locking slot 32. When the tube head of the peritoneal dialysis fluid double tube is held in place by the locking slot 32, the end of the peritoneal dialysis fluid tube connected to the tube head and a portion of the tube head are contained within the cylindrical body 31, while the end of the tube head connected to the connector protrudes outside the cylindrical body 31 for easy insertion into the connector.

[0025] In this invention, the connector positioning structure 4 includes a connector positioning seat 41 and a connector positioning groove 42. The connector positioning seat 41 is located on the side of the box cover 1 away from the pipe positioning structure 5, and its bottom surface has a connector positioning upper half-hole 43. The connector positioning groove 42 is located on the side wall of the box 2 away from the pipe positioning structure 5, and its bottom surface has a connector positioning lower half-hole 44. When the box cover 1 is closed, the connector positioning seat 41 and the connector positioning groove 42 fit together, and the connector positioning upper half-hole 43 and the connector positioning lower half-hole 44 cooperate to form a connector positioning hole. One end of the connector that connects to the pipe head protrudes outside the connector positioning hole and extends into the box 2. The shape of the connector positioning seat 41 matches the shape of the connector positioning groove 42.

[0026] In this invention, the tube head positioning structure 5 includes an upper tube head positioning seat 51 and a lower tube head positioning seat 52. The upper tube head positioning seat 51 is located on the side of the box cover 1 away from the connector positioning structure 4, and the bottom surface of the upper tube head positioning seat 51 has a tube head positioning upper half hole 53. The lower tube head positioning seat 52 is located on the side of the box 2 away from the connector positioning structure 4, and the side of the lower tube head positioning seat 52 close to the connector positioning structure 4 has a tube head positioning groove 54. The top surface of the lower tube head positioning seat 52 has a tube head positioning lower half hole 55. The tube head positioning lower half hole 55 penetrates the lower tube head positioning seat 52 and the adjacent side wall of the box 2, thereby connecting the inner and outer sides of the box 2 for the rotating structure 3 to pass through. When the box cover 1 is closed, the bottom surface of the box cover 1 is in contact with the top surface of the lower tube head positioning seat 52, and the upper tube head positioning seat 51 is in contact with the tube head positioning groove 54. The tube head positioning upper half hole 53 and the tube head positioning lower half hole 55 cooperate to form a tube head positioning hole. The shape of the upper pipe head positioning seat 51 matches the shape of the pipe head positioning groove 54.

[0027] In this invention, the inner walls of the bayonet 32, the upper half-hole 43 of the connector positioning, and the lower half-hole 44 of the connector positioning are all provided with a rubber layer, which can effectively improve the friction force and is used to hold the tube head of the peritoneal dialysis fluid double tube and the connector head of the peritoneal dialysis external short tube. The connector positioning seat 41 and the upper tube head positioning seat 51 are both made of soft rubber material, or the outer sides of the connector positioning seat 41 and the upper tube head positioning seat 51 are provided with a rubber layer.

[0028] In this invention, one side of the lid 1 is hinged to one side of the box 2, and the other side of the lid 1 is snapped into the other side of the box 2. When the lid 1 is closed, the snap-fit ​​connection between the lid 1 and the box 2 causes the upper half hole 43 and the lower half hole 44 of the connector to be combined into a connector positioning hole, which can apply pressure to the connector of the peritoneal dialysis external short tube to lock the connector. The upper half hole 53 and the lower half hole 55 of the tube head positioning are combined to form a tube head positioning hole, which restricts the rotating structure 3 to only rotate axially and move axially along the tube head positioning hole.

[0029] In this invention, the cover 1 is made of transparent material to facilitate observation of the connection between the connector and the tube.

[0030] In use, the lid 1 is opened, the left hand holds the connector end of the peritoneal dialysis external short tube connected to the patient's body, the right hand removes the iodine cap from the connector end, and then the connector end is horizontally inserted into the lower half-hole 44 of the connector end positioning, with the end of the connector end connected to the tube end protruding outside the lower half-hole 44 and extending into the box 2. Similarly, the tube end of the peritoneal dialysis fluid double tube is inserted into the locking slot 32, with the end of the peritoneal dialysis fluid tube connected to the tube end and a part of the tube end housed in the cylinder 31, and the end of the tube end with the pull ring cap protruding outside the cylinder 31. Hold the cylinder 31 with your left hand and remove the pull ring cap from the tube head with your right hand. Then, horizontally insert the rotating structure 3 into the lower half-hole 55 of the tube head positioning, with the end of the rotating structure 3 containing the tube head extending into the box 2. Then, close the box cover 1. The two sides of the box cover 1 and the two sides of the box 2 respectively form the connector positioning hole and the tube head positioning hole. The box cover 1 and the box 2 engage to apply pressure to the connector, thereby locking and fixing the connector. Finally, push the cylinder 31 to slide horizontally towards the connector positioning hole until the connector and the tube head are inserted. Then, rotate the rotating structure to tighten the tube head. Therefore, this invention is easy to operate and can effectively prevent the connector and tube head from being contaminated by the outside world during fluid changes.

[0031] The preferred embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the specific embodiments described above, and the devices and structures not described in detail should be understood as being implemented in a conventional manner in the art. Any person skilled in the art can make many possible variations and modifications to the technical solutions of the present invention using the methods and techniques disclosed above, or modify them into equivalent embodiments with equivalent changes, without departing from the scope of the present invention. This does not affect the essential content of the present invention. Therefore, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the present invention's technical solutions still fall within the protection scope of the present invention.

Claims

1. A rotating peritoneal dialysis fluid exchange protection device, comprising a box (2) with a lid (1); characterized in that: It also includes a rotating structure (3) that can hold the end of the peritoneal dialysis fluid double tube. When the lid (1) is closed, one side of the lid (1) and one side of the box (2) cooperate to form a connector positioning structure (4) and a connector positioning hole that can hold the end of the peritoneal dialysis external short tube. The other side of the lid (1) and the other side of the box (2) cooperate to form a tube positioning structure (5) and a tube positioning hole. The tube positioning hole and the connector positioning hole are coaxial and the tube positioning hole transitionally engages with the rotating structure (3). The rotating structure (3) includes a cylinder (31), which is slidably fitted with a tube head positioning hole. One end of the cylinder (31) is an open end, and the other end of the cylinder (31) is provided with a slot (32) that can hold the tube head of the peritoneal dialysis fluid double tube. A strip-shaped opening (33) is provided along the length direction of the cylinder (31), and the strip-shaped opening (33) is connected to the slot (32).

2. The peritoneal dialysis fluid exchange protection device with rotating connection according to claim 1, characterized in that: The connector positioning structure (4) includes a connector positioning seat (41) and a connector positioning groove (42). The connector positioning seat (41) is located on the side of the box cover (1) away from the pipe head positioning structure (5) and the bottom surface of the connector positioning seat (41) is provided with a connector positioning upper half hole (43). The connector positioning groove (42) is located on the side wall of the box (2) away from the pipe head positioning structure (5) and the bottom surface of the connector positioning groove (42) is provided with a connector positioning lower half hole (44). When the box cover (1) is closed, the connector positioning seat (41) and the connector positioning groove (42) fit together and the connector positioning upper half hole (43) and the connector positioning lower half hole (44) cooperate to form a connector positioning hole.

3. The peritoneal dialysis fluid exchange protection device with rotating connection according to claim 2, characterized in that: The pipe head positioning structure (5) includes an upper pipe head positioning seat (51) and a lower pipe head positioning seat (52). The upper pipe head positioning seat (51) is located on the side of the box cover (1) away from the connector positioning structure (4) and the bottom surface of the upper pipe head positioning seat (51) is provided with a pipe head positioning upper half hole (53). The lower pipe head positioning seat (52) is located on the side of the box (2) away from the connector positioning structure (4) and the side of the lower pipe head positioning seat (52) close to the connector positioning structure (4) is provided with a pipe head positioning groove (54) and the top surface of the lower pipe head positioning seat (52) is provided with a pipe head positioning lower half hole (55). When the box cover (1) is closed, the bottom surface of the box cover (1) is in contact with the top surface of the lower pipe head positioning seat (52), and the upper pipe head positioning seat (51) is in contact with the pipe head positioning groove (54), and the upper pipe head positioning upper half hole (53) and the lower pipe head positioning lower half hole (55) cooperate to form a pipe head positioning hole.

4. The peritoneal dialysis fluid exchange protection device with rotating connection according to claim 3, characterized in that: The inner walls of the bayonet (32), the upper half hole (43) of the connector positioning, and the lower half hole (44) of the connector positioning are all provided with a rubber layer.

5. A rotating peritoneal dialysis fluid exchange protection device according to any one of claims 1 to 4, characterized in that: One side of the lid (1) is hinged to one side of the box (2), and the other side of the lid (1) is snapped into place with the other side of the box (2).

6. A rotating peritoneal dialysis fluid exchange protection device according to any one of claims 1 to 4, characterized in that: The lid (1) is made of transparent material.

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