Auxiliary docking device for peritoneal dialysis

Abstract

The invention provides an auxiliary docking device for peritoneal dialysis. The auxiliary docking device comprises a first docking piece and a second docking piece, wherein the first butt joint piece is provided with a first butt joint cavity; the peritoneal dialysis tube joint is rotatably mounted in the first butt joint cavity; the second butt joint piece is connected with the first butt joint piece in a left-right moving mode. The second butt joint piece is provided with a second butt joint cavity; the dialysate pipe connector is installed in the second butt joint cavity. During use, the peritoneal dialysis tube joint is mounted in the first butt joint cavity, and the dialysate tube joint is mounted in the second butt joint cavity; after installation is completed, the first butt joint piece and the second butt joint piece are pushed to move in the direction close to each other, and after the peritoneal dialysis tube connector and the dialysate tube connector are preliminarily aligned and make contact, the peritoneal dialysis tube connector is rotated to be in threaded connection with the dialysate tube connector. According to the auxiliary butt joint device, after the peritoneal dialysis tube connector and the dialysate tube connector are installed respectively, the butt joint pieces are pushed to move in the direction close to each other, and therefore a patient with hypopsia can be helped to complete sterile butt joint.

Description

Technical Field

[0001] This invention relates to the field of medical auxiliary equipment technology, specifically to an auxiliary docking device for peritoneal dialysis. Background Technology

[0002] Peritoneal dialysis is a blood purification method that uses the body's own peritoneum as a semipermeable membrane to replace kidney function. It is mainly used for patients with end-stage renal failure. During peritoneal dialysis, dialysate is injected into the peritoneal cavity through a catheter implanted in the abdomen. The solute concentration difference and osmotic pressure difference between the blood and dialysate in the peritoneal capillaries remove metabolic waste and excess water from the body. The dialysate remains in the peritoneal cavity for several hours before being drained. It needs to be changed 4-6 times a day, and patients can perform the procedure at home after training.

[0003] When performing peritoneal dialysis at home, patients must complete the fluid exchange in a sterile environment. The specific procedure is as follows: First, remove the protective caps from the peritoneal dialysis catheter connector and the dialysate tubing connector. Then, disinfect the interfaces with an iodine swab using a spiral motion and quickly complete the connection to prevent air from entering the peritoneal cavity. After connection, preheated dialysate (to reduce peritoneal irritation) is infused into the peritoneal cavity through the tubing. During fluid retention, the osmotic gradient between the peritoneal capillaries and the dialysate helps remove metabolic waste and excess water. After the prescribed retention time, the drainage tubing is opened, allowing the waste fluid to drain into a dedicated waste bag by gravity. Each treatment requires repeating the infusion-retention-drainage process 4-6 times. The specific number of cycles needs to be individualized based on the patient's ultrafiltration needs and residual renal function level.

[0004] However, a significant portion of peritoneal dialysis patients are elderly, and their vision impairment is a prominent issue. According to feedback from patients to doctors, these patients often cannot clearly observe the alignment of the peritoneal dialysis catheter connector and the dialysate tubing connector when operating alone, resulting in a longer connection time. Some patients, in their eagerness to complete the operation, directly touch the connector with their hands, which can damage the sterile barrier and increase the risk of bacterial contamination and peritoneal infection.

[0005] Therefore, how to design an auxiliary docking device that can help visually impaired patients quickly complete aseptic docking is a technical problem that has not yet been solved in the existing technology. Summary of the Invention

[0006] Therefore, the technical problem to be solved by the present invention is to overcome the technical defects in the prior art, which make it difficult for elderly patients with poor vision to see the connectors of the peritoneal dialysis catheter and dialysate tubing when operating alone, resulting in difficulty in docking; and some patients touch the connectors directly with their hands in their haste, which will destroy the sterile environment and increase the risk of infection. Thus, the present invention provides an auxiliary docking device for peritoneal dialysis that can help patients with poor vision to quickly complete sterile docking.

[0007] Therefore, the present invention provides an auxiliary docking device for peritoneal dialysis, comprising: The first docking component has a first docking cavity, which extends through both sides axially and has a first top opening; the abdominal endoscopic tube connector is adapted to be rotatably installed in the first docking cavity through the first top opening; The second docking member is movable left and right and connected to the first docking member; the second docking member has a second docking cavity, which extends through both sides in the circumferential direction and has a second top opening; the dialysate tubing connector is adapted to be installed in the second docking cavity through the second top opening and is limited and fixed after installation; After the peritoneal dialysis tubing connector and the dialysate tubing connector are installed, they are coaxially aligned, thereby enabling the peritoneal dialysis tubing connector to connect with the dialysate tubing connector.

[0008] As a preferred embodiment, the first mating component includes: The first connector has one end that can move left and right to connect with the second mating member; A rotating component is rotatably mounted at one end to the other end of the first connector; the rotating component is adapted to detachably snap onto the peritoneal dialysis tube connector.

[0009] As a preferred embodiment, the rotating component is detachably snapped into the peritoneal dialysis tube connector via a first snap-fit ​​structure; The first snap-fit ​​structure includes: A snap-fit ​​component is fixedly disposed at one end of the rotating component; Two flexible cards are disposed opposite each other on both sides of the inner wall of the card connector, and each flexible card is provided with a first card contact surface; Two second snap-fit ​​surfaces are provided on both sides of the outer wall of the peritoneal dialysis tube connector; the second snap-fit ​​surfaces can match and snap-fit ​​with the first snap-fit ​​surfaces, thereby detachably snapping the peritoneal dialysis tube connector onto the rotating component.

[0010] As a preferred embodiment, the rotating component is rotatably mounted on the other end of the first connecting component via a rotating connection structure; The rotating connection structure includes: A rotating groove is formed at the other end of the first connector; A rotating convex ring is fixedly disposed at one end of the rotating component, and a first guide arc surface is provided at each end; the rotating convex ring is matched and installed with the rotating groove, and can rotate along the rotating groove, thereby rotatably installing the rotating component at the other end of the first connecting component.

[0011] As a preferred option, it also includes: A limiting member is fixedly disposed inside the first connecting member, and the snap-fit ​​member is installed inside the limiting member and cannot be dislodged outward from the opening on the side of the limiting member facing the first top opening. At least two internal threaded holes are formed on the free end face of the snap-fit ​​member; The limiting baffle has at least two limiting through holes and a second guide arc surface at each end; A limiting bolt passes through the limiting through hole and is screwed into the internal threaded hole to fix the limiting baffle on the free end face of the snap-fit ​​component; The limiting baffle has a certain width. When the limiting baffle is fixedly installed on the end face of the snap-fit ​​member, the limiting baffle blocks the outside of the end of the limiting member.

[0012] As a preferred embodiment, the second mating component includes: The second connector has one end that can move left and right and is connected to the first connector; A fastener, fixedly disposed inside the second connector, has a receiving groove adapted to detachably snap-fit ​​the dialysate tubing connector.

[0013] As a preferred embodiment, the receiving tank is detachably snapped into the dialysate tubing connector via a second snap-fit ​​structure; The second snap-fit ​​structure includes: Two snap-fit ​​blocks are arranged opposite each other on both sides of the receiving groove of the fastener, and a first convex sliding surface is provided on the inner sidewall of the snap-fit ​​block; The second convex sliding surface is provided on the inner bottom wall of the receiving groove of the fastener, located between the two snap-fit ​​blocks; When the dialysate tubing connector is snapped into the receiving groove, the concave arc surface on the dialysate tubing connector can match and snap into the first convex sliding surface and the second convex sliding surface.

[0014] As a preferred option, it also includes: The limiting face is located at the inward end of the fixing member; When the dialysate tube connector is snapped into the receiving groove, an annular limiting piece is installed on the inner side of the limiting surface of the dialysate tube connector. The annular limiting piece and the limiting surface block each other in the axial direction to prevent the dialysate tube connector from being pulled out.

[0015] As a preferred option, it also includes: A positioning and centering plate is fixedly installed on the inner wall of the second connector. The positioning and centering plate is arranged opposite to the limiting surface, and a limiting plate receiving cavity is formed in the middle for accommodating the installation part of the annular limiting plate. The centering plate is recessed in the middle to form a supporting arc surface, and the upper opening of the supporting arc surface opens smoothly to both sides. When the dialysate tubing connector is snapped into the receiving groove, the supporting arc surface of the positioning and centering plate is used to support the mating end of the dialysate tubing connector located outside the annular limiting plate, so that the central axis of the mating end coincides with the central axis of the dialysate tubing connector snapped into the rotating part.

[0016] As a preferred embodiment, the first connector is fixedly connected to the second connector via a connecting structure, allowing them to move left and right. The connection structure includes: A threaded hole is formed on the connecting plane at one end of the first connector; A long opening is formed on a connecting plate at one end of the second connector, and a limiting inner flange is formed on the circumferential inner wall of the long opening. A connecting bolt passes through the elongated opening and is screwed into the threaded hole, thereby fixing the first connecting member and the second connecting member together in a way that allows them to move left and right. Also includes: A docking groove is formed between the inner wall of the first rotating member and the outer wall of the limiting member; When the first connector and the second connector move toward each other, one end of the second connector extends into the mating groove.

[0017] The technical solution provided by this invention has the following advantages: This invention provides an auxiliary docking device for peritoneal dialysis, comprising a first docking member and a second docking member; wherein, the first docking member has a first docking cavity extending axially through both sides and having a first top opening; a peritoneal dialysis tubing connector is adapted to be rotatably installed in the first docking cavity through the first top opening; the second docking member is movably connected to the first docking member; the second docking member has a second docking cavity extending circumferentially through both sides and having a second top opening; a dialysate tubing connector is adapted to be installed in the second docking cavity through the second top opening and is fixed after installation; after the peritoneal dialysis tubing connector and the dialysate tubing connector are installed respectively, they are coaxially aligned, thereby enabling the peritoneal dialysis tubing connector to dock with the dialysate tubing connector.

[0018] When a patient with impaired vision performs peritoneal dialysis at home, the peritoneal dialysis catheter connector connecting to the peritoneal cavity is installed in the first docking chamber, and the dialysate connector connecting to the dialysate is installed in the second docking chamber. After installation, the first and second docking components are moved closer together. When the peritoneal dialysis catheter connector and the dialysate connector are initially aligned and in contact, the peritoneal dialysis catheter connector is rotated to screw them together. After connection, the dialysate can then enter the patient's peritoneal cavity through the dialysate tubing and the peritoneal dialysis catheter for dialysis. This invention provides an auxiliary docking device for peritoneal dialysis, in which the peritoneal dialysis catheter connector and the dialysate connector are installed in the first and second docking chambers respectively, and the relative movement of the first and second docking components aligns the peritoneal dialysis catheter connector and the dialysate connector, thereby helping patients with impaired vision to aseptically connect the peritoneal dialysis catheter connector and the dialysate connector. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the prior art or specific embodiments of the present invention, the accompanying drawings used in the description of the prior art or specific embodiments are briefly introduced below.

[0020] Figure 1 This is a schematic diagram of the overall structure of the auxiliary docking device for peritoneal dialysis according to the present invention.

[0021] Figure 2 yes Figure 1 A schematic diagram of the explosion structure.

[0022] Figure 3 This is a schematic diagram of the structure after removing the peritoneal dialysis catheter connector and the dialysate tubing connector.

[0023] Figure 4 yes Figure 1 Exploded view of the first docking component.

[0024] Figure 5 yes Figure 1 Exploded view of the first and second docking parts.

[0025] Reference numerals: 1. First docking component; 11. First docking cavity; 2. Peritoneal dialysis tube connector; 21. Second snap-fit ​​surface; 3. Second docking component; 31. Second docking cavity; 4. Dialysis fluid tube connector; 41. Concave arc surface; 42. Annular limiting plate; 43. Docking end; 5. First connecting component; 51. Rotating groove; 52. Limiting component; 53. Limiting baffle; 54. Limiting through hole; 55. Limiting bolt; 56. Threaded hole; 57. Connecting plane; 58. Second guiding arc surface; 59. Docking groove; 6 61. Rotating component; 62. Snap-fit ​​component; 63. Elastic clip; 64. First snap-fit ​​surface; 65. Rotating convex ring; 66. Internal threaded hole; 77. First guide arc surface; 88. Second connecting component; 71. Long strip opening; 72. Connecting plate; 73. Limiting inner flange; 74. Connecting bolt; 89. Fixing component; 80. Snap-fit ​​block; 81. First external convex sliding surface; 82. Second external convex sliding surface; 83. Limiting vertical surface; 84. Receiving groove; 95. Positioning centering plate; 96. Support arc surface; 97. Limiting plate receiving cavity. Detailed Implementation

[0026] To enable those skilled in the art to better understand this solution, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of this application.

[0027] It should be noted that the terms "first," "second," etc., in the claims and specification of this application are used to distinguish similar objects and are not used to describe a specific order or sequence. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such as a process, method, system, product, or device that includes a series of steps or units, not limited to those steps or units explicitly listed, but may also include other steps or units not explicitly listed or inherent to these processes, methods, products, or devices.

[0028] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for better description of this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation. Furthermore, some of the above terms may be used to indicate other meanings besides orientation or positional relationship; for example, the term "upper" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application according to the specific circumstances. In addition, the term "multiple" should mean two or more. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other.

[0029] The present application will now be described in detail with reference to the accompanying drawings and embodiments. Example

[0030] This embodiment provides an auxiliary docking device for peritoneal dialysis, such as... Figure 1 As shown, it includes: a first docking member 1 and a second docking member 3; wherein, the first docking member 1 has a first docking cavity 11, the first docking cavity 11 extends through both sides axially and has a first top opening; the peritoneal dialysis tube connector 2 is adapted to be rotatably installed in the first docking cavity 11 through the first top opening; the second docking member 3 is movably connected to the first docking member 1; the second docking member 3 has a second docking cavity 31, the second docking cavity 31 extends through both sides circumferentially and has a second top opening; the dialysate tube connector 4 is adapted to be installed in the second docking cavity 31 through the second top opening and is limited and fixed after installation; after the peritoneal dialysis tube connector 2 and the dialysate tube connector 4 are installed respectively, they form a coaxial alignment, thereby enabling the peritoneal dialysis tube connector 2 to dock with the dialysate tube connector 4.

[0031] When a patient with impaired vision performs peritoneal dialysis at home, the peritoneal dialysis catheter connector 2, which connects to the peritoneal cavity, is installed in the first docking chamber 11, and the dialysate connector 4, which connects to the dialysate, is installed in the second docking chamber 31. After installation, the first docking component 1 and the second docking component 3 are pushed towards each other. When the peritoneal dialysis catheter connector 2 and the dialysate connector 4 are initially aligned and in contact, the peritoneal dialysis catheter connector 2 is rotated to screw the peritoneal dialysis catheter connector 2 and the dialysate connector 4 together. After connection, the dialysate can enter the patient's peritoneal cavity for dialysis through the dialysate tubing and the peritoneal dialysis catheter. This embodiment is an auxiliary docking device for peritoneal dialysis. The peritoneal dialysis catheter connector 2 and the dialysate connector 4 are installed in the first docking chamber 11 and the second docking chamber 31, respectively. The relative movement of the first docking component 1 and the second docking component 3 connects the peritoneal dialysis catheter connector 2 and the dialysate connector 4, thereby helping patients with impaired vision to aseptically connect the peritoneal dialysis catheter connector 2 and the dialysate connector 4.

[0032] The first docking component 1 includes a first connecting component 5 and a rotating component 6; wherein, one end of the first connecting component 5 is movably connected to the second docking component 3; one end of the rotating component 6 is rotatably mounted on the other end of the first connecting component 5; the rotating component 6 is adapted to detachably snap-fit ​​the peritoneal dialysis tube connector 2. After the peritoneal dialysis tube connector 2 and the dialysate tube connector 4 are initially aligned and in contact, rotating the rotating component 6 drives the peritoneal dialysis tube connector 2 to rotate, thereby screwing the peritoneal dialysis tube connector 2 and the dialysate tube connector 4 together.

[0033] like Figure 2-3 As shown, the rotating component 6 is detachably snapped onto the peritoneal dialysis tube connector 2 via a first snap-fit ​​structure; the first snap-fit ​​structure includes a snap-fit ​​component 61 and elastic clips 62; wherein, the snap-fit ​​component 61 is fixedly disposed at one end of the rotating component 6; there are two elastic clips 62, which are disposed opposite to each other on both sides of the inner wall of the snap-fit ​​component 61, and each elastic clip 62 is provided with a first snap-fit ​​surface 63; two second snap-fit ​​surfaces 21 are respectively provided on both sides of the outer wall of the peritoneal dialysis tube connector 2; the second snap-fit ​​surfaces 21 can match and snap-fit ​​with the first snap-fit ​​surfaces 63, thereby detachably snapping onto the rotating component 6.

[0034] like Figure 4As shown, the rotating component 6 is rotatably mounted on the other end of the first connecting component 5 via a rotating connection structure. The rotating connection structure includes a rotating groove 51 and a rotating convex ring 64. The rotating groove 51 is located at the other end of the first connecting component 5. The rotating convex ring 64 is fixedly disposed at one end of the rotating component 6, with first guiding arc surfaces 66 at both ends. The first guiding arc surfaces 66 ensure that the rotating convex ring 64 is accurately and smoothly guided into the rotating groove 51, avoiding possible misalignment. The rotating convex ring 64 is matched and installed with the rotating groove 51 and can rotate along the rotating groove 51, thereby rotatably mounting the rotating component 6 on the other end of the first connecting component 5. The rotating groove 51 adopts an annular groove structure with an arc range exceeding 180°. The rotating convex ring 64 is designed as an annular protrusion structure corresponding to the rotating groove 51, with an arc range exceeding 180°. This structural design ensures that the rotating convex ring 64 is always constrained within the rotating groove 51, thereby preventing the rotating component 6 from separating from the first connecting component 5.

[0035] It also includes a limiting member 52, an internal threaded hole 65, a limiting baffle 53, and a limiting bolt 55; wherein, the limiting member 52 is fixedly disposed inside the first connecting member 5, and the snap-fit ​​member 61 is installed inside the limiting member 52 and cannot be dislodged outward from the opening of the limiting member 52 facing the first top opening; specifically, the limiting member 52 adopts a structure design larger than a semicircle, and the snap-fit ​​member 61 is wrapped inside after installation, thereby preventing the snap-fit ​​member 61 from dislodging in the radial direction; there are at least two internal threaded holes 65, which are provided with... On the free end face of the snap-fit ​​member 61, a limiting baffle 53 has at least two limiting through holes 54, and each end has a second guiding arc surface 58. A limiting bolt 55 passes through the limiting through holes 54 and is screwed into the internal threaded hole 65, fixing the limiting baffle 53 to the free end face of the snap-fit ​​member 61. The limiting baffle 53 has a certain width, and when the limiting baffle 53 is fixedly installed on the end face of the snap-fit ​​member 61, it simultaneously blocks the outer side of the end of the limiting member 52. The limiting baffle 53 is fixed to the end face of the snap-fit ​​member 61 and abuts against the outer side of the end of the limiting member 52, forming an axial limit to ensure that the snap-fit ​​member 61 will not come out axially.

[0036] The second docking member 3 includes a second connecting member 7 and a fixing member 8; wherein, one end of the second connecting member 7 is movably connected to the first connecting member 5; the fixing member 8 is fixedly disposed inside the second connecting member 7 and has a receiving groove 85, the receiving groove 85 being adapted to detachably snap-fit ​​the dialysate tube connector 4.

[0037] like Figure 2-3As shown, the receiving groove 85 is detachably snapped into the dialysate tube connector 4 via a second snap-fit ​​structure. The second snap-fit ​​structure includes a snap-fit ​​block 81 and a second convex sliding surface 83. Two snap-fit ​​blocks 81 are arranged opposite each other on both sides of the receiving groove 85 of the fixing member 8. A first convex sliding surface 82 is provided on the inner sidewall of each snap-fit ​​block 81. The second convex sliding surface 83 is located on the inner bottom wall of the receiving groove 85 of the fixing member 8, between the two snap-fit ​​blocks 81. When the dialysate tube connector 4 is snapped into the receiving groove 85, the concave arc surface 41 on the dialysate tube connector 4 can match and snap into the first convex sliding surface 82 and the second convex sliding surface 83. This structural design allows the dialysate tube connector 4 to move left and right after snapping in, but it cannot rotate.

[0038] It also includes a limiting surface 84, which is disposed at the inward end of the fixing member 8; when the dialysate tube connector 4 is snapped into the receiving groove 85, the annular limiting piece 42 disposed on the dialysate tube connector 4 is installed on the inner side of the limiting surface 84, and the annular limiting piece 42 and the limiting surface 84 block each other in the axial direction to prevent the dialysate tube connector 4 from being pulled out.

[0039] It also includes a positioning and centering plate 9, which is fixedly disposed on the inner wall of the second connecting member 7. The positioning and centering plate 9 is disposed opposite to the limiting surface 8, and a limiting plate receiving cavity 92 is formed in the middle for accommodating the installation part of the annular limiting plate 42. The middle part of the positioning and centering plate 9 is recessed to form a supporting arc surface 91, and the upper opening of the supporting arc surface 91 is smoothly opened to both sides. When the dialysate tube connector 4 is snapped into the receiving groove 85, the supporting arc surface 91 of the positioning and centering plate 9 is used to support the docking end 43 of the dialysate tube connector 4 located outside the annular limiting plate 42, and makes the central axis of the docking end 43 coincide with the central axis of the dialysate tube connector 2 snapped into the rotating member 6.

[0040] like Figure 5As shown, the first connecting member 5 is movably connected to the second connecting member 7 via a connecting structure; the connecting structure includes a threaded hole 56, an elongated opening 71, and a connecting bolt 74; wherein, the threaded hole 56 is formed on the connecting plane 57 at one end of the first connecting member 5; the elongated opening 71 is formed on the connecting plate 72 at one end of the second connecting member 7, and a limiting inner flange 73 is formed on the circumferential inner wall of the elongated opening 71; the connecting bolt 74 passes through the elongated opening 71 and is screwed into the threaded hole 56, thereby fixing the first connecting member 5 and the second connecting member 7 together movably; it also includes a mating groove 59, which is formed between the inner wall of the first rotating member 5 and the outer wall of the limiting member 52; when the first connecting member 5 and the second connecting member 7 move toward each other, one end of the second connecting member 7 extends into the mating groove 59. After the connecting bolt 74 is screwed into the threaded hole 56, it abuts against the limiting inner flange 73 and is limited by the inner wall of the elongated opening 71, thereby ensuring stability during connection and movement; when the first connecting piece 5 and the second connecting piece 7 move toward each other, rotation can be prevented by the action of the connecting plane 57 and the connecting plate 72.

[0041] The auxiliary docking device for peritoneal dialysis in this embodiment is used as follows: When a patient with impaired vision performs peritoneal dialysis at home, the peritoneal dialysis catheter connector 2, which connects to the abdominal cavity, is snapped into the snap-fit ​​member 61, and the dialysate catheter connector 4, which connects to the dialysate, is snapped into the receiving groove 85. After installation, the first docking member 1 and the second docking member 3 are pushed to move towards each other. When the peritoneal dialysis catheter connector 2 and the dialysate catheter connector 4 are initially aligned and in contact, the rotating member 6 is rotated to drive the peritoneal dialysis catheter connector 2 to rotate, thereby screwing the peritoneal dialysis catheter connector 2 and the dialysate catheter connector 4 together. After the connection is completed, the dialysate can enter the patient's abdominal cavity for dialysis through the dialysate tube and the peritoneal dialysis catheter.

[0042] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this innovative technical solution.

Claims

1. An auxiliary docking device for peritoneal dialysis, characterized in that, include: The first docking member (1) has a first docking cavity (11), which extends through both sides along the axial direction and has a first top opening; The peritoneal dialysis tube connector (2) is adapted to be rotatably installed in the first docking cavity (11) through the first top opening; The second docking part (3) is movable to the left and right and connected to the first docking part (1); the second docking part (3) has a second docking cavity (31), the second docking cavity (31) extends through both sides in the circumferential direction and has a second top opening; the dialysate tube connector (4) is adapted to be installed in the second docking cavity (31) through the second top opening and is limited and fixed after installation; After the peritoneal dialysis tube connector (2) and the dialysate tube connector (4) are installed respectively, they are coaxially aligned, so that the peritoneal dialysis tube connector (2) can be connected with the dialysate tube connector (4).

2. The auxiliary docking device for peritoneal dialysis according to claim 1, characterized in that, The first docking component (1) includes: The first connector (5) is connected to the second docking member (3) at one end, which can move left and right. A rotating component (6) is rotatably mounted at one end to the other end of the first connector (5); the rotating component (6) is adapted to detachably snap onto the peritoneal dialysis tube connector (2).

3. The auxiliary docking device for peritoneal dialysis according to claim 2, characterized in that: The rotating component (6) is detachably snapped into the peritoneal dialysis tube connector (2) via the first snap-fit ​​structure. The first snap-fit ​​structure includes: A snap-fit ​​component (61) is fixedly disposed at one end of the rotating component (6); Two elastic cards (62) are disposed opposite each other on both sides of the inner wall of the card connector (61), and each elastic card (62) is provided with a first card contact surface (63). The peritoneal dialysis tube connector (2) has two second snap-fit ​​surfaces (21) on both sides of its outer wall; the second snap-fit ​​surfaces (21) can be matched and snapped with the first snap-fit ​​surface (63), thereby detachably snapping the peritoneal dialysis tube connector (2) onto the rotating part (6).

4. The auxiliary docking device for peritoneal dialysis according to claim 3, characterized in that: The rotating component (6) is rotatably mounted on the other end of the first connecting component (5) via a rotating connection structure; The rotating connection structure includes: A rotating groove (51) is formed at the other end of the first connector (5); A rotating convex ring (64) is fixedly disposed at one end of the rotating member (6), and a first guide arc surface (66) is provided at both ends respectively; the rotating convex ring (64) is matched and installed with the rotating groove (51), and can rotate along the rotating groove (51), thereby rotatably installing the rotating member (6) at the other end of the first connecting member (5).

5. The auxiliary docking device for peritoneal dialysis according to claim 4, characterized in that, Also includes: The limiting member (52) is fixedly disposed inside the first connecting member (5), and the snap-fit ​​member (61) is installed inside the limiting member (52) and cannot be dislodged outward from the opening of the limiting member (52) facing the first top opening. At least two internal threaded holes (65) are provided on the free end face of the snap-fit ​​member (61); The limiting baffle (53) has at least two limiting through holes (54) and a second guide arc surface (58) at each end; The limiting bolt (55) passes through the limiting through hole (54) and is screwed into the internal thread hole (65) to fix the limiting baffle (53) on the free end face of the snap-fit ​​member (61); The limiting baffle (53) has a certain width. When the limiting baffle (53) is fixedly installed on the end face of the snap-fit ​​member (61), the limiting baffle (53) blocks the outside of the end of the limiting member (52).

6. The auxiliary docking device for peritoneal dialysis according to claim 2, characterized in that, The second docking component (3) includes: The second connector (7) is connected to the first connector (5) at one end, which can move left and right. The fastener (8) is fixedly disposed inside the second connector (7) and has a receiving groove (85) which is adapted to detachably snap-fit ​​the dialysate tube connector (4).

7. The auxiliary docking device for peritoneal dialysis according to claim 6, characterized in that: The receiving tank (85) is detachably snapped into the dialysate tube connector (4) via a second snap-fit ​​structure. The second snap-fit ​​structure includes: There are two snap-fit ​​blocks (81), which are arranged opposite to each other on both sides of the receiving groove (85) of the fixing member (8). A first convex sliding surface (82) is provided on the inner side wall of the snap-fit ​​block (81). The second convex sliding surface (83) is provided on the inner bottom wall of the receiving groove (85) of the fixing member (8) and is located between the two snap-fit ​​blocks (81); When the dialysate tube connector (4) is snapped into the receiving groove (85), the concave arc surface (41) on the dialysate tube connector (4) can be matched and snapped into the first convex sliding surface (82) and the second convex sliding surface (83).

8. The auxiliary docking device for peritoneal dialysis according to claim 7, characterized in that, Also includes: The limiting facade (84) is located at the inward end of the fastener (8); When the dialysate tube connector (4) is snapped into the receiving groove (85), the annular limiting piece (42) provided on the dialysate tube connector (4) is installed on the inner side of the limiting surface (84). The annular limiting piece (42) and the limiting surface (84) block each other in the axial direction to prevent the dialysate tube connector (4) from being pulled out.

9. The auxiliary docking device for peritoneal dialysis according to claim 8, characterized in that, Also includes: The positioning center plate (9) is fixedly installed on the inner wall of the second connector (7). The positioning center plate (9) is positioned opposite to the limiting surface (84), and a limiting plate receiving cavity (92) is formed in the middle for accommodating the installation part of the annular limiting plate (42). The centering plate (9) is recessed in the middle to form a supporting arc surface (91), and the upper opening of the supporting arc surface (91) opens smoothly to both sides; When the dialysate tube connector (4) is snapped into the receiving groove (85), the supporting arc surface (91) of the positioning centering plate (9) is used to support the docking end (43) of the dialysate tube connector (4) located outside the annular limiting plate (42), and make the central axis of the docking end (43) coincide with the central axis of the dialysate tube connector (2) snapped into the rotating part (6).

10. The auxiliary docking device for peritoneal dialysis according to claim 6, characterized in that: The first connector (5) is connected to the second connector (7) in a way that allows it to move left and right through a connecting structure; The connection structure includes: A threaded hole (56) is formed on the connecting plane (57) at one end of the first connector (5); An elongated opening (71) is formed on a connecting plate (72) at one end of the second connector (7), and a limiting inner flange (73) is formed on the circumferential inner wall of the elongated opening (71). A connecting bolt (74) passes through the elongated opening (71) and is screwed into the threaded hole (56), thereby connecting the first connector (5) and the second connector (7) together in a way that allows them to move left and right. Also includes: A docking groove (59) is formed between the inner wall of the first rotating member (5) and the outer wall of the limiting member (52); When the first connector (5) and the second connector (7) move toward each other, one end of the second connector (7) extends into the docking groove (59).

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