An anti-drift peritoneal dialysis catheter that is convenient for fixation

Abstract

The present invention relates to the technical field of peritoneal dialysis, and provides a peritoneal dialysis tube that is easy to fix and prevent drift. It includes a second dialysis tube disposed in the abdominal cavity. One end of the second dialysis tube is inserted with one end of a detachable first dialysis tube. The other end of the first dialysis tube is respectively connected to an abdominal fluid bag and a waste fluid bag. One end of the second dialysis tube is provided with a connector extending to the outside of the abdominal cavity, and the other end of the first dialysis tube is fixedly connected to the extended end of the connector. When in use, when the second dialysis tube drifts, the winding structure is used to control the weight structure, so that the abdominal fluid in the patient's abdominal cavity itself enters the weight structure, and the weight of the weight structure increases, causing the weight structure to reset due to gravity. After the second dialysis tube is reset, the winding structure is pulled again to transfer the abdominal fluid of the weight structure into the abdomen, so that the weight of the weight structure returns to the same as the original state, improving the patient's recovery effect.

Description

Technical Field

[0001] The present invention relates to the technical field of peritoneal dialysis, and particularly to a peritoneal dialysis tube that is easy to fix and prevent drift. Background Art

[0002] Uremia is a very serious kidney disease. During the treatment of uremia, peritoneal dialysis is a commonly used and effective method. It uses the body's own peritoneum as a semi-permeable membrane to remove water and toxins. The clearance efficiency is high, the effect time is long, and it has little impact on other organs and systems of the patient. It can also not damage the function of the remaining kidneys. In addition to having an ideal treatment effect, peritoneal dialysis is also very economical and convenient to operate. It can be carried out at home. The combination of these advantages has made the development and popularization of peritoneal dialysis very fast, and it is applied by many uremia patients as a kidney replacement treatment method. Briefly speaking, the principle of peritoneal dialysis surgery is to place the peritoneal dialysis tube at the bottom of the patient's abdominal cavity, which has an impact on the patient's recovery. For peritoneal dialysis surgery, building a continuous and safe dialysis access is the core. However, under the influence of various unstable factors, the peritoneal dialysis tube is also very easy to drift out of the true pelvis, that is, what we call tube drift. Once the peritoneal dialysis tube drifts, the phenomenon of blocked drainage of the patient's dialysate will occur, greatly reducing the quality and effect of dialysis, and bringing pain to the patient. Therefore, preventing tube drift becomes very important. Summary of the Invention

[0003] Aiming at the deficiencies of the prior art, the present invention provides a peritoneal dialysis tube that is easy to fix and prevent drift, and solves the problems raised in the above background art.

[0004] The technical solution of the present invention is as follows:

[0005] A peritoneal dialysis tube that is easy to fix and prevent drift, including a second dialysis tube arranged in the abdominal cavity. One end of the second dialysis tube is inserted with one end of a detachable first dialysis tube. One end of the first dialysis tube is respectively connected to a peritoneal fluid bag and a waste fluid bag.

[0006] One end of the second dialysis tube is provided with a connector extending to the outside of the abdominal cavity, and the other end of the first dialysis tube is fixedly connected to the protruding end of the connector.

[0007] The connector is provided with a matching silica gel sleeve in the body and a silica gel disc outside the body for fixing the pipeline.

[0008] The other end surface of the second dialysis tube is provided with dialysis holes, and the bottom of the second dialysis tube is provided with a weight structure.

[0009] The connector is provided with a wire winding structure connected to the control weight structure.

[0010] Further, the winding structure includes an inclined tube communicating with the connecting member, a wire rolling cylinder rotatably connected in the inclined tube, and a pull rope wound around the wire rolling cylinder, and one end of the pull rope is fixedly connected to the weight structure.

[0011] Further, the weight structure includes a second connection shell with openings at the top and bottom, a lower clamping block, and a moving disk. The second connection shell is fixedly connected to the bottom end of the second dialysis tube. The lower clamping block is slidably connected in the second connection shell. The moving disk is snap-fitted to the bottom end of the inner wall of the second connection shell, and the moving disk can be adsorbed and move up and down at the bottom end of the lower clamping block.

[0012] Further, a sunken groove matching with the lower clamping block is provided at the upper end of the inner wall of the second connection shell. A first groove is provided on one side of the sunken groove, and a limiting structure for fixing the lower clamping block is provided in the first groove.

[0013] Further, the limiting structure includes a moving block, a connecting rod, a spring, a first convex block, and a retaining piece. The moving block is slidably connected in the first groove. One side of the moving block is fixedly connected with a connecting rod that penetrates through a second groove provided on the side wall of the second connection shell. The spring is sleeved on the connecting rod. A retaining piece is fixedly connected to the protruding end of the connecting rod. A first convex block is provided on the other side of the moving block.

[0014] Further, a second convex block matching with the first convex block is provided on the opposite surface of the lower clamping block and the moving block.

[0015] Further, a slide rail is provided on the lower side of the lower clamping block relative to the second convex block. A sliding block is slidably connected to the slide rail. The inner side surface of the sliding block is fixedly connected with a clamping block matching with the slide rail. A third convex block facing upward is provided on one side of the end of the sliding block.

[0016] Further, the length of the sunken groove is greater than the length of the lower clamping block.

[0017] Further, through drainage holes are provided on the moving disk. A blocking block is provided at the bottom end of the moving disk, and the blocking block is snap-fitted with a water outlet provided at the bottom end of the second connection shell.

[0018] Compared with the prior art, the beneficial effects of the technical solution provided by the present invention are as follows: When the present invention is in use, medical staff can, according to the different constitutions of each person, adjust the distance between the silicone sleeve and the silicone disc on the connecting piece, so that the second dialysis tube can be better fixed under the skin of the patient, making it more convenient to install and disassemble the first dialysis tube; after the catheterization is completed, a counterweight is provided to increase the weight of the tail end of the second dialysis tube, preventing the peritoneal dialysis internal catheter from floating, which affects the recovery of the patient; when the second dialysis tube floats, a winding structure is used to control the counterweight structure, so that the abdominal fluid in the patient's abdominal cavity itself enters the counterweight structure, increasing the weight of the counterweight structure, causing the counterweight structure to reset due to gravity. When the second dialysis tube is reset, the winding structure is pulled again to transfer the abdominal fluid in the counterweight structure into the abdomen, making the weight of the counterweight structure return to the same as the original state, improving the recovery effect of the patient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 FIG. is a schematic structural diagram of the peritoneal dialysis tube for preventing drift and facilitating fixation of the present invention;

[0020] Figure 2 FIG. is a schematic cross-sectional view of the connecting piece;

[0021] Figure 3 FIG. is a schematic cross-sectional view of the counterweight structure;

[0022] Figure 4 FIG. is a schematic structural diagram of the lower clamping member;

[0023] Figure 5 FIG. is a schematic structural diagram of the sliding member;

[0024] Figure 6 FIG. is a schematic structural diagram of the disc;

[0025] Figure 7 FIG. is a partial enlarged view of A;

[0026] In the figure: 1. First dialysis tube, 2. Abdominal fluid bag, 3. Waste fluid bag, 4. Connector, 41. First connection shell, 42. Plug, 43. Obliquely placed tube, 44. Threaded tube, 45. Silicone sleeve, 46. Silicone disc, 47. Thread roller, 48. Connection shaft, 49. Turntable, 5. Second dialysis tube, 6. Dialysis hole, 7. Counterweight structure, 71. Second connection shell, 72. Sunk groove, 721. First chute, 73. Card slot, 74. Limit structure, 741. Moving block, 742. Connecting rod, 743. Spring, 744. First convex block, 745. Flap, 75. Lower clamping block, 76. Second convex block, 77. Sliding block, 771. Clamping block, 772. Third convex block, 78. Slide block, 79. Second chute, 710. Drain hole, 711. First magnet, 712. Second magnet, 713. Suspension ring, 714. Connecting plate, 715. Slide rail, 716. Fourth convex block, 717. First groove, 718. Second groove, 719. Moving plate, 720. Blocking block. Detailed implementation manner

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] As shown in Figures 1-7, a peritoneal dialysis pipeline that is easy to fix and prevent drift includes a second dialysis tube 5 arranged in the abdominal cavity. One end of the second dialysis tube 5 is plugged with one end of a detachable first dialysis tube 1. One end of the first dialysis tube 1 is respectively connected to an abdominal fluid bag 2 and a waste fluid bag 3. The first dialysis tube 1 is of a Y-shaped structure. The main pipe section of the first dialysis tube 1 is connected to the second dialysis tube 5. The upper and lower ends of the branch sections are respectively provided with an abdominal fluid bag 2 and a waste fluid bag 3. Stop clips are provided on the two branch sections to facilitate blocking and use according to actual operations;

[0029] One end of the second dialysis tube 5 is provided with a connector 4 extending to the outside of the abdominal cavity, and the other end of the first dialysis tube 1 is fixedly connected to the protruding end of the connector 4; the connector 4 is provided with a matching silica gel sleeve 45 inside the body and a silica gel disc 46 outside the body for fixing the pipeline; the connector 4 includes a cylindrical first connection shell 41 and a plug 42, the plug 42 is fixedly connected to both ends of the hollow first connection shell 41, the end of the first dialysis tube 1 is fixedly connected with a threaded cylinder, and the threaded cylinder is matched with the thread arranged on the outer surface of the outer plug 42; the silica gel sleeve 45 is fixedly connected to the end of the first connection shell 41 (i.e., the side inside the body), and the diameter of the silica gel sleeve 45 is larger than the width of the cut wound to prevent the second dialysis tube 5 from moving outward; the silica gel disc 46 is of an oval structure, and a paste-type silver ion dressing is arranged at the bottom, which is convenient for directly killing bacteria, controlling wound infection, accelerating wound healing, and removing the peculiar smell caused by bacteria. The silica gel disc 46 is arranged at the middle position of the first connection shell 41 (i.e., outside the body). The first connection shell 41 on the outside of the body is provided with an external thread, and a threaded tube 44 is threadedly connected to the external thread. The bottom end of the threaded tube 44 is fixedly connected to the silica gel disc 46. By screwing the threaded tube 44, the silica gel disc 46 is driven to move up and down to adjust the distance between the silica gel disc 46 and the silica gel sleeve 45, making the connector 4 more stable. By setting one end of the first dialysis tube 1 and the second dialysis tube 5 to be connected to the connector 4, the effect of positioning the entire dialysis tube inside the abdominal cavity is achieved.

[0030] Dialysis holes 6 are formed on the surface of the other end of the second dialysis tube 5, and a weight structure 7 is arranged at the bottom of the second dialysis tube 5. The second dialysis tube 5 is communicated with the weight structure 7. By setting the weight structure 7, the weight at the end of the second dialysis tube 5 is increased to make it reset; a winding structure connected to the control weight structure 7 is arranged on the connector 4. By setting the winding structure, the water inlet and drainage of the weight structure 7 are controlled, and the weight of the weight structure 7 is adjusted.

[0031] As Figure 2 shown, the winding structure includes an inclined tube 43 communicated with the connector 4, a wire rolling cylinder 47 rotatably connected in the inclined tube 43, and a pull rope wound around the wire rolling cylinder 47. One end of the pull rope is fixedly connected to the weight structure 7.

[0032] Specifically, the inclined tube 43 is arranged on the upper side of the external thread. A round hole is formed at the end of the inclined tube 43, and a bearing is fixedly connected in the round hole. A connecting shaft 48 penetrating into the inclined tube 43 is fixedly connected in the bearing. A wire winding cylinder 47 is fixedly connected to the inner end of the connecting shaft 48, and a turntable 49 is fixedly connected to the outer end of the connecting shaft 48. A through hole is formed at the position of the first connecting shell 41 relative to the inclined tube. The pull rope is made of a bio-metal material. One end of the rope is wound around the wire winding cylinder 47 for fixation, and the other end passes through the through hole and is fixedly connected to the upper end of the counterweight structure 7. The length of the pull rope is greater than the length of the second dialysis tube 5.

[0033] As Figure 3 and Figure 6 shown, the counterweight structure includes a second connecting shell 71 with openings at the upper and lower ends, a lower clamping block 75, and a moving disk 719. The second connecting shell 71 is fixedly connected to the bottom end of the second dialysis tube 5. The lower clamping block 75 is slidably connected in the second connecting shell 71. The moving disk 719 is snap-connected to the bottom end of the inner wall of the second connecting shell 71, and the moving disk 719 can be adsorbed on the bottom end of the lower clamping block 75 and move up and down. A sinking groove 72 matching the lower clamping block 75 is arranged at the upper end of the inner wall of the second connecting shell 71. A first groove 717 is arranged on one side of the sinking groove 72, and a limiting structure 74 for fixing the lower clamping block 75 is arranged in the first groove 717.

[0034] Specifically, the diameter of the second dialysis tube 5 is the same as that of the second connection shell 71; a strip-shaped connecting plate 714 is fixedly connected to the bottom end of the lower clamping block 75, and the length of the connecting plate 714 is consistent with the inner diameter of the second connection shell 71. The connecting plate 714 has the same shape as the clamping groove 73 at the lower end of the sunken groove 72; the longitudinal section of the sunken groove 72 is the same as the shape of the lower clamping block 75. When the lower clamping block 75 is clamped in the sunken groove 72, the second dialysis tube 5 is not communicated with the second connection shell; in order to ensure that the lower clamping block 75 can be more smoothly inserted into the sunken groove 72, a semi-cylindrical fourth convex block 716 is fixedly connected to one side surface of the lower clamping block 75, and a first sliding groove 721 matching the fourth convex block 716 is arranged on the side wall of the sunken groove 72; a hanging ring 713 is fixedly connected to the upper end of the lower clamping block 75, and the hanging ring 713 is connected to one end of a pulling rope; the moving disk 719 is of a disk-shaped structure, and the diameter of the moving disk 719 is the same as the inner diameter of the second connection shell 71. Through drainage holes 710 are arranged on the moving disk 719, and a blocking block 720 is arranged at the bottom end of the moving disk 719. The blocking block 720 is engaged with a water outlet arranged at the bottom end of the second connection shell 71; placing grooves are arranged on the opposite surfaces of the connecting plate 714 and the moving disk 719, and a first magnet 711 and a second magnet 712 are respectively fixedly connected in the placing grooves. The opposite surfaces of the two magnets are of special-shaped magnetic fields. When the connecting plate 714 contacts the moving disk 719, the moving disk 719 can move up and down simultaneously with the connecting plate 714; in order to make the lower clamping block 75 disengage from the moving disk 719 and be inserted into the sunken groove 72, a second sliding groove 79 is arranged at the bottom end of the inner wall of the second connection shell 71, and a clamping slider 78 is fixedly connected to the position of the moving disk 719 corresponding to the second sliding groove 79. When the lower clamping block 75 rises to a certain position, the slider 78 abuts against the top wall of the second sliding groove 79. By pulling the lower clamping block 75 forcefully, the moving disk 719 falls off and returns to the initial position, and the water outlet is in a closed state; in order to ensure that when the lower clamping block 75 is pulled to the end point, the lower clamping block 75 is limited, a limiting structure 74 is arranged at the place where the lower clamping block 75 is at the end point position.

[0035] As Figure 7 shown, the limiting structure 74 includes a moving block 741, a connecting rod 742, a spring 743, a first convex block 744 and a retaining piece 745. The moving block 741 is slidably connected in a first groove 717. One side of the moving block 741 is fixedly connected with a connecting rod 742 that penetrates through to the second groove 718 arranged on the side wall of the second connection shell 71. The spring 743 is sleeved on the connecting rod 742. A retaining piece 745 is fixedly connected to the protruding end of the connecting rod 742. A first convex block 744 is arranged on the other side of the moving block 741; a second convex block 76 matching the first convex block 744 is arranged on the opposite surface of the lower clamping block 75 and the moving block 741.

[0036] Specifically, the opening of the first groove 717 faces downward towards the lower clamping block 75. The position of the second groove 718 is close to the outer side of the second connecting shell 71. A communicating jack is provided between the first groove 717 and the second groove 718. The thickness of the moving block 741 is less than the depth of the first groove 717. The length of the first convex block 744 is less than the distance from the retaining piece 745 to the side wall of the second groove 718. When in the initial position, the spring 743 is not compressed, and the outer surface of the moving block 741 is in the same vertical level as the side surface of the sunk groove 72.

[0037] The first convex block 744 is in the shape of a right triangle with the right-angle side facing upward and is fixed on the outer side surface of the moving block 741. The length of the first convex block 744 is the same as the length of the moving block 741. The second convex block 76 is in the shape of a right triangle with the right-angle side facing left and is fixed on the lower clamping block 75. And the second convex block 76 is at the upper left corner of the lower clamping block 75. The length of the second convex block 76 is half of the thickness of the lower clamping block 75. The first convex block 744 and the second convex block 76 are in the same vertical level.

[0038] When the pulling rope pulls the lower clamping block 75 to move upward, the inclined surface of the first convex block 744 abuts against the inclined surface of the second convex block 76. Pulling the first convex block 744 upward squeezes the second convex block 76 to move inward, the spring 743 is compressed, and the retaining piece 745 moves inward. As it is pulled upward, the first convex block 744 does not exert an extrusion force on the second convex block 76, and the second convex block 76 moves outward, and the spring 743 and the retaining piece 745 return to the initial state, and the end surfaces of the first convex block 744 and the second convex block 76 abut against each other.

[0039] As Figure 4 and Figure 5 described, a slide rail 715 is provided on the lower side of the lower clamping block 75 relative to the second convex block 76. A sliding block 77 is slidably connected to the slide rail 715. A clamping block 771 that cooperates with the slide rail 715 is fixedly connected to the inner side surface of the sliding block 77. A third convex block 772 that faces upward is provided on one side of the end of the sliding block 77.

[0040] Specifically, the transverse cross-section of the sliding block 77 is C-shaped. A corresponding clamping block 771 is provided on the inner side surface of the sliding block 77. The transverse cross-section of the clamping block 771 is triangular. A long strip groove that cooperates with the clamping block 771 is provided in the slide rail 715. The inclined surface of the third convex block 772 slopes downward. The third convex block 772 is fixedly connected to the upper right end of the sliding block 77 (that is, the third convex block 772 does not contact the second convex block 76 during movement, and the two are on the left and right sides of the side surface of the lower clamping block 75). The width of the third convex block 772 is half of the width of the sliding block 77. The length of the sunk groove 72 is greater than the length of the lower clamping block 75.

[0041] When it is necessary to move the lower clamping block 75 downward, pull the pull rope upward so that the upper end of the connecting plate 714 abuts against the side wall of the sinking groove 72. The end faces of the first convex block 744 and the second convex block 76 do not abut, and the inclined surface of the third convex block 772 abuts against the inclined surface of the first convex block 744. Pull the third convex block 772 upward to squeeze the first convex block 744 to move inward. When the first convex block 744 retracts into the first groove 717, the lower clamping block 75 descends to the bottom end inside the second connecting shell 71.

[0042] The working process of an anti-drift peritoneal dialysis tube that is easy to fix provided by the present invention is as follows:

[0043] Adjust the silica gel disc 46 to make it in close contact with the skin. Thread-connect the first dialysis tube 1 to the end of the connector 4. Insert the branch section into the abdominal fluid bag 2 and the waste fluid bag 3, and install a water stop clamp on the branch section.

[0044] When flowing abdominal fluid into the abdominal cavity, the water stop clamp at the end of the waste fluid bag 3 is in the closed state; when the waste fluid flows out, the water stop clamp at the end of the abdominal fluid bag 2 is opened. At this time, if it is found that the waste fluid does not flow smoothly, the second dialysis tube in the abdominal cavity may drift. At this time, rotate the turntable 49, the pull rope gradually becomes shorter, the third convex block 772 squeezes the first convex block 744 to move inward, the lower clamping block 75 moves downward, the lower clamping block 75 moves downward and the second connecting shell 71 communicates with the second dialysis tube 5, and the abdominal fluid flows into the second connecting shell 71. The weight of the second connecting shell 71 increases and returns to the initial position. Rotate the turntable 49 again, the lower clamping block 75 moves upward for limit fixation and the second connecting shell 71 does not communicate with the second dialysis tube 5.

[0045] When it is necessary to drain water, rotate the turntable 49 again, and the lower clamping block 75 gradually moves downward by its own gravity. The lower clamping block 75 and the moving disc 719 adsorb each other, and lift upward, and the drain hole 710 communicates with the abdominal cavity; after draining, the lower clamping block 75 moves upward, the lower clamping block 75 separates from the moving disc 719, and the moving disc 719 blocks the drain hole 710.

[0046] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. An anti-drift peritoneal dialysis tube that is convenient for fixing, including a second dialysis tube (5) arranged in the abdominal cavity. One end of the second dialysis tube (5) is inserted with one end of a detachable first dialysis tube (1). One end of the first dialysis tube (1) is respectively connected to an abdominal fluid bag (2) and a waste fluid bag (3). It is characterized in that: One end of the second dialysis tube (5) is provided with a connecting piece extending to the outside of the abdominal cavity, and the other end of the first dialysis tube (1) is fixedly connected to the protruding end of the connecting piece (4); The connecting piece (4) is provided with a matching silica gel sleeve (45) inside the body and a silica gel disc (46) outside the body for fixing the tube; One end of the second dialysis tube (5) located in the abdominal cavity is provided with dialysis holes (6), and a counterweight structure (7) is arranged at the bottom of the second dialysis tube (5); The connecting piece (4) is provided with a wire winding structure connected to the control counterweight structure (7); The wire winding structure includes an inclined tube (43) communicated with the connecting piece (4), a wire rolling cylinder (47) rotatably connected in the inclined tube (43), and a pull rope wound around the wire rolling cylinder (47). One end of the pull rope is fixedly connected to the counterweight structure (7); The counterweight structure includes a second connection shell (71) with openings at the top and bottom, a lower clamping block (75), and a moving disc (719). The second connection shell (71) is fixedly connected to the bottom end of the second dialysis tube (5). The lower clamping block (75) is slidably connected in the second connection shell (71). The moving disc (719) is snap-connected to the inner wall bottom end of the second connection shell (71). The moving disc (719) can be adsorbed on the bottom end of the lower clamping block (75) and move up and down; The upper end of the inner wall of the second connection shell (71) is provided with a sunk groove (72) matching the lower clamping block (75). One side of the sunk groove (72) is provided with a first groove (717). A limiting structure (74) for fixing the lower clamping block (75) is arranged in the first groove (717); The limiting structure (74) includes a moving block (741), a connecting rod (742), a spring (743), a first convex block (744), and a retaining piece (745). The moving block (741) is slidably connected in the first groove (717). One side of the moving block (741) is fixedly connected with a connecting rod (742) that penetrates through the second groove (718) arranged on the side wall of the second connection shell (71). The spring (743) is sleeved on the connecting rod (742). The protruding end of the connecting rod (742) is fixedly connected with a retaining piece (745). The other side of the moving block (741) is provided with a first convex block (744).

2. The anti-drift peritoneal dialysis catheter that is easy to fix according to claim 1, wherein: The opposite surface of the lower clamping block (75) and the moving block (741) is provided with a second convex block (76) matching the first convex block (744).

3. The peritoneal dialysis catheter facilitating fixation and preventing drift according to claim 2, wherein: A slide rail (715) is provided on the lower side of the lower clamping block (75) relative to the second convex block (76). A sliding block (77) is slidably connected to the slide rail (715). An inner side surface of the sliding block (77) is fixedly connected with a clamping block (771) that cooperates with the slide rail (715). One side of an end of the sliding block (77) is provided with an upward third convex block (772).

4. The anti-drift peritoneal dialysis catheter that is easy to fix according to claim 1, wherein: The length of the sunk groove (72) is greater than the length of the lower clamping block (75).

5. The anti-drift peritoneal dialysis catheter that is easy to fix according to claim 1, wherein: A through drainage hole (710) is provided on the moving disk (719). A blocking block (720) is provided at the bottom end of the moving disk (719). The blocking block (720) is engaged with a water outlet provided at the bottom end of the second connection shell (71).

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