Peritoneal dialysis catheter securement aid

Abstract

The present application relates to a kind of peritoneal dialysis catheter fixing auxiliary device, including the bottom plate for shielding stoma and the bandage for fixing bottom plate on patient's body, first through-hole for dialysis tube to pass through is opened in the thickness direction on the bottom plate, sleeve is mounted in the first through-hole, one end of the sleeve is communicated with first through-hole, the other end extends downward;Rotary fit has cover plate above the bottom plate, the bottom surface of the cover plate is sealed with the top surface of bottom plate, second through-hole is opened in the thickness direction on the cover plate, the first through-hole is located on the rotation track of second through-hole.This technical solution, by setting sleeve, can avoid stoma healing during interval, without using special dialysis tube daily care tool, effectively reduce the discomfort of patient's daily life, and can adjust the opening and closing state of stoma, facilitate medical staff operation.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of stoma closure appliances, in particular to a peritoneal dialysis catheter fixing auxiliary device. BACKGROUND

[0002] Peritoneal dialysis utilizes the peritoneum of the human body as a dialysis membrane. Through the exchange of solutes and water between the dialysis fluid filled into the abdominal cavity and the plasma components in the capillaries on the other side of the peritoneum, the body's retained metabolic products and excess water are removed, and the body's necessary substances are supplemented at the same time. By constantly updating the peritoneal dialysis fluid, the purpose of kidney replacement or support treatment is achieved.

[0003] During the operation, an ostomy needs to be made on the abdomen of the patient for inserting a dialysis tube into the abdominal cavity, and multiple dialysis operations need to be performed at different time periods during the dialysis process. In order to avoid the healing of the ostomy during the interval, part of the dialysis tube is left in the peritoneum and part is placed outside the body.

[0004] The dialysis tube is left in the patient's body, and in daily life, special dialysis tube care appliances need to be used for the dialysis tube left in the patient's body, which has a certain impact on the patient's life. SUMMARY

[0005] Therefore, the purpose of the present application is to provide a peritoneal dialysis catheter fixing auxiliary device to solve the problem that the dialysis tube is left in the patient's body in the prior art, and special dialysis tube care appliances need to be used for the dialysis tube left in the patient's body in daily life, which has a certain impact on the patient's life.

[0006] The present application is realized by the following technical solutions:

[0007] A peritoneal dialysis catheter fixing auxiliary device, comprising a bottom plate for shielding the ostomy and a bandage for fixing the bottom plate on the patient's body, a first through hole for the dialysis tube to pass through is formed in the thickness direction of the bottom plate, a sleeve is installed in the first through hole, one end of the sleeve communicates with the first through hole, and the other end extends downward.

[0008] A cover plate is rotatably connected above the bottom plate, the bottom surface of the cover plate is sealingly connected with the top surface of the bottom plate, a second through hole is formed in the thickness direction of the cover plate, and the first through hole is located on the rotation track of the second through hole.

[0009] Further limited, a sleeve is connected to the top surface of the bottom plate, the cover plate is rotatably connected in the sleeve, the upper end of the sleeve is inwardly folded to form an annular stop ring, the annular stop ring is located above the edge of the cover plate, and an elastic support assembly is arranged between the annular stop ring and the edge of the cover plate.

[0010] Further limited, the elastic support assembly comprises a pressing ring covering the top edge of the cover plate and a plurality of support springs installed on the pressing ring, the plurality of support springs are evenly distributed along the circumferential direction of the pressing ring, and the two ends of the support springs are respectively abutted with the bottom surface of the annular retainer ring and the top surface of the pressing ring.

[0011] Further limited, the support spring is provided with a guide tube and a guide pin, the upper end of the guide tube is connected with the bottom surface of the annular retainer ring, the lower end of the guide pin is connected with the top surface of the pressing ring, and the upper end of the guide pin is inserted into the lower end of the guide tube.

[0012] Further limited, the inner side of the annular retainer ring is connected with a first annular baffle, the upper end of the first annular baffle is connected with the annular retainer ring, and the lower end extends downward.

[0013] The top surface of the cover plate is provided with a second annular baffle, the lower end of the second annular baffle is connected with the cover plate, the upper end extends upward, and the second annular baffle is sleeved on the first annular baffle.

[0014] Further limited, the inner side of the annular retainer ring is provided with an annular groove, and the outer wall of the upper end of the first annular baffle is provided with an annular convex rib matched and clamped with the annular groove.

[0015] Further limited, the upper end of the sleeve pipe is outwardly protruded with a limiting ring, and the limiting ring is located in the limiting sunken table.

[0016] The lower end of the sleeve pipe is inwardly contracted into a conical shape, and the port of the lower end of the sleeve pipe is an annular blade.

[0017] Further limited, the top surface of the bottom plate is provided with a positioning column protruding upward, and the positioning column is upwardly inserted into the cover plate.

[0018] The top surface of the cover plate is connected with a knob.

[0019] Further limited, the bottom surface of the bottom plate is connected with a breathable layer.

[0020] Further limited, the bottom plate is provided with a third through hole penetrating along the thickness direction, the third through hole is located on the rotation track of the second through hole, and the distance between the third through hole and the first through hole is greater than the hole diameter of the second through hole.

[0021] The bottom surface of the bottom plate is provided with a first air guide groove, a second air guide groove and a plurality of exhaust grooves, the first air guide groove is annularly arranged outside the first through hole, the second air guide groove is respectively communicated with the first air guide groove and the third through hole, and one end of the plurality of exhaust grooves is communicated with the first air guide groove, and the other end extends out of the bottom plate.

[0022] The beneficial effects of the present application are as follows:

[0023] The peritoneal dialysis catheter fixing auxiliary device can avoid the healing of the stoma during the interval period, does not need to use a special dialysis tube daily care tool, effectively reduces the discomfort of the patient in daily life, and can adjust the opening and closing state of the stoma, and is convenient for medical staff to operate.

[0024] Other advantages, objects, and features of the present application will be understood and appreciated better from the following detailed description, and it will be recognized that the present application can be carried out by way of the following description and by practicing the application in, or using, conjunction with, the following claims. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 PERSPECTIVE VIEW OF THE INVENTION Figure 1 ;

[0026] Figure 2 PERSPECTIVE VIEW OF THE INVENTION Figure 2 ;

[0027] Figure 3 PLAN VIEW OF THE INVENTION

[0028] Figure 4 FRONT VIEW OF THE INVENTION

[0029] Figure 5 IS A Figure 4 SECTIONAL VIEW OF A-A IN FIG. 1;

[0030] Figure 6 IS A STRUCTURAL SCHEMATIC VIEW OF THE SLEEVE;

[0031] Figure 7 IS A STRUCTURAL SCHEMATIC VIEW OF THE COVER PLATE;

[0032] Figure 8 IS A STRUCTURAL SCHEMATIC VIEW OF THE PRESSING RING;

[0033] Figure 9 IS A STRUCTURAL SCHEMATIC VIEW OF THE TOP SURFACE OF THE BASE PLATE;

[0034] Figure 10 IS A STRUCTURAL SCHEMATIC VIEW OF THE BOTTOM SURFACE OF THE BASE PLATE;

[0035] In the figure: 1, base plate; 2, bandage; 3, first through hole; 4, sleeve; 5, cover plate; 6, second through hole; 7, sleeve; 8, annular retainer ring; 9, supporting spring; 10, pressing ring; 11, guide pipe; 12, guide pin; 13, first annular baffle; 14, second annular baffle; 15, annular convex rib; 16, limiting sunken table; 17, limiting ring; 18, positioning column; 19, knob; 20, air-permeable layer; 21, third through hole; 22, first air guide groove; 23, second air guide groove; 24, air exhaust groove. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, 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. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0037] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0038] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0039] In the above description of the present invention, it should be noted that the terms "one side," "the other side," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of the invention is conventionally placed during use. These terms are used only for the convenience of describing the present invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0040] Furthermore, terms such as "identical" do not imply that components must be absolutely identical; minor differences are permissible. The term "perpendicular" simply means that the positional relationship between components is more perpendicular than "parallel," not that the structure must be perfectly perpendicular; a slight tilt is acceptable.

[0041] Please see Figures 1-10 This invention provides a technical solution: a peritoneal dialysis catheter fixation auxiliary device, comprising a base plate 1 for concealing the stoma and a strap 2 for fixing the base plate 1 to the patient's body. The base plate 1 has a first through hole 3 extending along the thickness direction for the dialysis catheter to pass through. A sleeve 4 is installed in the first through hole 3, with one end of the sleeve 4 communicating with the first through hole 3 and the other end extending downward. A cover plate 5 is rotatably fitted above the base plate 1, with the bottom surface of the cover plate 5 sealingly fitted with the top surface of the base plate 1. A second through hole 6 extending along the thickness direction is provided on the cover plate 5, and the first through hole 3 is located on the rotation trajectory of the second through hole 6.

[0042] The bottom plate 1 is fixed to the patient's body by the bandage 2, which will cover the stoma, the first through hole 3 serves as a through channel for the dialysis tube, the sleeve 4 connected in the first through hole 3 will extend through the patient's abdominal skin and muscle and other tissues as a structure of the first through hole 3, providing a fixed channel for the insertion and extraction of the dialysis tube, wherein the cover plate 5 is rotationally fitted on the bottom plate 1, and a second through hole 6 is formed on the cover plate 5, the second through hole 6 will rotate with the cover plate 5, and the first through hole 3 is located on the rotation track of the second through hole 6, that is, by rotating the cover plate 5, the second through hole 6 and the first through hole 3 can be relatively communicated or the second through hole 6 and the first through hole 3 can be staggered, that is, when the second through hole 6 and the first through hole 3 are communicated, the first through hole 3 is in an open state, and when the second through hole 6 and the first through hole 3 are staggered, the first through hole 3 is in a state of being closed by the cover plate 5;

[0043] In specific operation, the stoma operation is first performed on the patient's abdomen, and then the device is installed, and the lower end of the sleeve 4 is inserted into the stoma and extends into the patient's abdominal cavity during installation, and then the device is fixed by the bandage 2;

[0044] When dialysis is needed, the second through hole 6 and the first through hole 3 are relatively communicated by rotating the cover plate 5, and then the dialysis tube can be inserted into the patient's abdominal cavity through the channel formed by the second through hole 6, the first through hole 3 and the sleeve 4, and after a single dialysis is completed, the dialysis tube is pulled out and then the cover plate 5 is rotated to make the second through hole 6 and the first through hole 3 staggered, so that the first through hole 3 is covered by the cover plate 5, making the channel in a closed state;

[0045] The technical scheme can avoid healing of the stoma during the interval period by setting the sleeve 4 to stay in the stoma, does not need to use a special dialysis tube daily care tool, effectively reduces the discomfort of the patient in daily life, and can adjust the opening and closing state of the stoma, which is convenient for medical staff to operate.

[0046] Further limited, the bottom plate 1 top surface is connected with a sleeve 7, the cover plate 5 is rotationally fitted in the sleeve 7, the sleeve 7 upper end is inwardly folded to form an annular retainer ring 8, the annular retainer ring 8 is located above the edge of the cover plate 5, and the annular retainer ring 8 and the edge of the cover plate 5 are provided with an elastic support assembly.

[0047] The sleeve 7 is connected with the bottom plate 1, serving as a structural extension of the bottom plate 1 and a rotation space constraint structure of the cover plate 5, the annular retainer ring 8 formed by the inward folding of the upper end of the sleeve 7 serves as the basis of the elastic support assembly, the elastic support assembly can exert a downward thrust on the edge of the cover plate 5, so that the cover plate 5 remains in a state of abutting against the bottom plate 1, and the closing effect of the cover plate 5 on the first through hole 3 is improved;

[0048] In order to improve the sealing effect of the cover plate 5 on the first through hole 3, a ring groove can be formed on the top surface of the bottom plate 1, the ring groove surrounds the first through hole 3, and a sealing ring is placed in the ring groove.

[0049] Further limited, the elastic support assembly includes a compression ring 10 covering the top surface edge of the cover plate 5 and a plurality of support springs 9 mounted on the compression ring 10, the plurality of support springs 9 are evenly distributed along the circumferential direction of the compression ring 10, and the two ends of the support spring 9 are respectively abutted with the bottom surface of the annular retainer ring 8 and the top surface of the compression ring 10.

[0050] The compression ring 10 serves as the contact point with the cover plate 5, and the support between the compression ring 10 and the annular retainer ring 8 is formed by a plurality of support springs 9, which will exert a pressure on the cover plate 5 under the action of the plurality of support springs 9, so as to keep the cover plate 5 in a state of adhesion with the bottom plate 1.

[0051] Further limited, the support spring 9 is provided with a guide tube 11 and a guide pin 12, the upper end of the guide tube 11 is connected with the bottom surface of the annular retainer ring 8, the lower end of the guide pin 12 is connected with the top surface of the compression ring 10, and the upper end of the guide pin 12 is inserted into the lower end of the guide tube 11.

[0052] The guide tube 11 is integrally formed with the annular retainer ring 8 and remains in a fixed state, the guide pin 12 is integrally formed with the compression ring 10 and is inserted into the guide tube 11 to slide with the guide tube 11, which can adapt to the expansion and contraction of the support spring 9 and also serves as a rotation limiting structure of the compression ring 10, so as to keep the compression ring 10 relatively fixed with the annular retainer ring 8 when the cover plate 5 rotates, that is, the form of the support spring 9 can be kept.

[0053] Further limited, the inner side of the annular retainer ring 8 is connected with a first annular baffle 13, the upper end of the first annular baffle 13 is connected with the annular retainer ring 8, and the lower end extends downward.

[0054] The top surface of the cover plate 5 is provided with a second annular baffle 14, the lower end of the second annular baffle 14 is connected with the cover plate 5, and the upper end extends upward, and the second annular baffle 14 is sleeved outside the first annular baffle 13.

[0055] The first annular baffle 13 and the second annular baffle 14 are respectively connected with the annular retainer ring 8 and the cover plate 5 and are in a sleeved state, which can keep the sealing state of the gap between the annular retainer ring 8 and the cover plate 5 when the cover rotates.

[0056] Further limited, the inner side of the annular retainer ring 8 is provided with an annular groove, and the outer wall of the upper end of the first annular baffle 13 is provided with an annular convex rib 15 which is matched and clamped with the annular groove.

[0057] The first annular baffle 13 and the annular retainer ring 8 are connected in a detachable manner through the cooperation of the annular convex rib 15 and the annular groove, which can facilitate assembly and disassembly.

[0058] Further limited, the first through hole 3 upper port is provided with a limiting sink 16, the sleeve 4 upper end is outwardly protruding with a limiting ring 17, the limiting ring 17 is located in the limiting sink 16;

[0059] The lower end of the sleeve 4 is inwardly tapered, and the port of the lower end of the sleeve 4 is annular.

[0060] The limiting ring 17 on the upper end of the sleeve 4 cooperates with the limiting sink 16 to form a limiting structure, which can improve the connection stability of the sleeve 4 and the first through hole 3, and at the same time, the limiting sink 16 can also serve as a containing space for the limiting ring 17, so that the surface of the bottom plate 1 remains flat;

[0061] The lower end of the sleeve 4 is located in the abdominal cavity of the patient during use, and the caliber of the port can be set according to the outer diameter of the dialysis tube, so that the port can be in a fitted state with the outer wall of the dialysis tube, and the port of the lower end of the sleeve 4 is annular, which can scrape off the body fluid or dialysis fluid attached to the outer surface of the dialysis tube when the dialysis tube is pulled out. The sleeve 4 can be made of flexible materials such as silicone, and the overall thickness of the sleeve 4 can support the shape of the stoma while maintaining flexibility, and the lower port is a blade, which reduces the thickness and can have a larger deformation amount than other positions.

[0062] Further limited, the top surface of the bottom plate 1 is provided with a positioning column 18 protruding upward, and the positioning column 18 is inserted upward into the cover plate 5;

[0063] The top surface of the cover plate 5 is connected with a knob 19.

[0064] The bottom plate 1 positions the cover plate 5 through the positioning column 18, and the rotation of the cover plate 5 will have the positioning column 18 as a fulcrum, which improves the stability of the overall structure, and the knob 19 on the cover plate 5 can be in a convex wheel structure, which can be used as a force applying part for the operator.

[0065] Further limited, the bottom surface of the bottom plate 1 is connected with a breathable layer 20.

[0066] The breathable layer 20 can be a support pad layer of medical non-woven fabric, gauze, etc., which will serve as a direct contact surface with the patient's skin, and can form a breathable structure between the bottom plate 1 and the patient's skin, reducing the patient's discomfort.

[0067] Further limited, the bottom plate 1 is provided with a third through hole 21 penetrating along the thickness direction, the third through hole 21 is located on the rotation track of the second through hole 6, and the distance between the third through hole 21 and the first through hole 3 is greater than the hole diameter of the second through hole 6;

[0068] The bottom plate 1 bottom surface is provided with a first air guide groove 22, a second air guide groove 23 and a plurality of exhaust grooves 24, the first air guide groove 22 is arranged outside the first through hole 3, the second air guide groove 23 is respectively communicated with the first air guide groove 22 and the third through hole 21 at both ends, and the plurality of exhaust grooves 24 are communicated with the first air guide groove 22 at one end and extended outside the bottom plate 1 at the other end.

[0069] The bottom surface of the bottom plate 1 forms a gas guide structure around the outside of the first through hole 3 by opening the first air guide groove 22, and forms a gas guide structure by opening the third through hole 21 and the second air guide groove 23 between the third through hole 21 and the first air guide groove 22, and the first air guide groove 22 is communicated with the third through hole 21 through the second air guide groove 23, and the first air guide groove 22 is communicated with the outside space of the bottom plate 1 through the plurality of exhaust grooves 24, after dialysis is completed, the second through hole 6 is communicated with the third through hole 21 after the first through hole 3 is closed by rotating the cover plate 5, then the exhaust groove 24, the first air guide groove 22, the second air guide groove 23 and the third through hole 21 are communicated in turn, forming an air flow channel, which can be used as a heat dissipation breathing channel for the skin of the patient pressed by the bottom plate 1, which is beneficial to heat dissipation and reduces sweating.

[0070] In addition, the air-permeable layer 20 may be wetted by patient body fluid or dialysis fluid during use, then the rotating cover plate 5 can be adjusted to make the exhaust groove 24, the first air guide groove 22, the second air guide groove 23 and the third through hole 21 communicated in turn, and then air can be introduced into the air flow channel through the external device at the third through hole 21, and the water adsorbed in the air-permeable layer 20 can be carried out by air flow without disassembly.

[0071] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A peritoneal dialysis catheter securement aid device, characterized by: The application relates to a stoma covering device, which comprises a bottom plate provided with a first through hole for a dialysis tube to pass through, a sleeve mounted in the first through hole, a cover plate rotatably connected to the bottom plate, a second through hole provided in the cover plate, a third through hole provided in the bottom plate, a gas guiding groove, a plurality of exhaust grooves, a sleeve connected to the top surface of the bottom plate, a ring-shaped stop ring, a first ring-shaped baffle, a second ring-shaped baffle, a plurality of supporting springs, a guide tube, a guide pin, a limiting ring, a limiting sink, a limiting groove, a limiting protrusion, a limiting protrusion, a limiting protrusion, a limiting protrusion, a limiting protrusion, a limiting protrusion, a limiting protrusion, a limiting protrusion, a limiting protrusion, a limiting protrusion, a limiting protrusion, a 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The peritoneal dialysis catheter securement aid of claim 1, wherein: ​ 3. The peritoneal dialysis catheter securement aid of claim 2, wherein: ​ 4. The peritoneal dialysis catheter securement aid of claim 3, wherein: ​ 5. The peritoneal dialysis catheter securement aid of claim 2, wherein: ​ ​ 6. The peritoneal dialysis catheter securement aid of claim 5, wherein: ​ 7. The peritoneal dialysis catheter securement aid of claim 1, wherein: ​ ​ 8. The peritoneal dialysis catheter securement aid of claim 1, wherein: ​ ​

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