Locking type disposable drainage catheter

Abstract

The utility model discloses a locking type disposable drainage catheter which comprises an outer tube, an inner tube assembly is installed at one end of the outer tube, a rubber sleeve is connected to the surface of the outer tube in a sleeved mode, and a pushing assembly is installed on the surface of the outer tube. The inner tube assembly comprises a plurality of hard tubes, a plurality of hoses are fixed among the hard tubes, an elastic memory tube ring is fixed at one end of each hard tube, and a plurality of drainage holes are formed in the surface of each elastic memory tube ring; the pushing assembly comprises a bottom plate, a sliding sleeve is fixed to the surface of the bottom plate, and two connecting rods penetrate through the interior of the bottom plate. According to the drainage tube, through the pushing assembly, when the inner tube slides on the surface of the outer tube, the extrusion roller can extrude and roll on the surface of the outer tube, the outer tube can be conveniently dredged, the situation that the outer tube is blocked and cannot be used is avoided, a new tube body does not need to be replaced, and pain caused by replacement of the tube body to a patient is avoided; and the drainage amount can be increased through the elastic memory tube ring and a plurality of drainage holes in the surface of the elastic memory tube ring.

Description

Technical Field

[0001] The utility model relates to the technical field of puncture equipment, in particular to a locking type disposable drainage catheter. Background Art

[0002] The locking disposable drainage catheter is a medical device used to drain fluids, including blood, urine, pus, etc. It is usually glued to the tube body with medical tape to give it a locking function. It can be used for continuous drainage and keep the catheter in a fixed position. The locking disposable drainage catheter is widely used in medical environments, such as drainage during surgery, abdominal drainage, chest drainage, etc. Its design can facilitate drainage operations and keep the catheter stable and safe. The disposable design allows for easy disposal after use to avoid the risk of cross infection.

[0003] Patent document with announcement number CN216022347U discloses a drainage structure of a drainage catheter and a drainage catheter, including a drainage catheter and a plurality of drainage holes arranged at the needle outlet end of the drainage catheter; the plurality of drainage holes are distributed along the axial direction of the drainage catheter and are non-collinearly arranged.

[0004] Although the above device helps to improve the problem of drainage catheter blockage, impurities accumulate on the inner wall of the outer tube during use. Long-term accumulation will cause blockage, and the tube body needs to be replaced, causing pain to the patient. The outer tube body does not have the function of clearing the blockage. Utility Model Content

[0005] The utility model aims to solve the problem that the existing locking type disposable drainage catheter has the problem that the inner wall of the outer tube body accumulates impurities and long-term accumulation will cause blockage. At this time, the tube body needs to be replaced, causing pain to the patient, and the outer tube body has no dredging function.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A locking disposable drainage catheter comprises an outer tube, one end of which is provided with an inner tube assembly, a rubber sleeve is sleeved on the surface of the outer tube, and a pushing assembly is installed on the surface of the outer tube;

[0008] The inner tube assembly includes a plurality of hard tubes, a plurality of soft tubes are fixed between the plurality of hard tubes, an elastic memory tube ring is fixed at one end of the hard tube, and a plurality of drainage holes are opened on the surface of the elastic memory tube ring;

[0009] The pushing assembly includes a base plate, a sliding sleeve is fixed on the surface of the base plate, two connecting rods are passed through the inside of the base plate, an extrusion roller is rotatably installed between the two connecting rods, a return spring is fixed between the base plate and the connecting rod, and a pressing plate is fixed to the extended end of the connecting rod.

[0010] As a further description of the above technical solution:

[0011] The connecting rod is in an "L" shape, and the return spring is sleeved on the surface of the connecting rod.

[0012] As a further description of the above technical solution:

[0013] The connecting rod forms an elastic telescopic structure with the bottom plate through the return spring.

[0014] As a further description of the above technical solution:

[0015] The squeezing roller is movably connected to the inner cavity of the sliding sleeve.

[0016] As a further description of the above technical solution:

[0017] The sliding sleeve is movably connected to the surface of the outer tube, and the outer tube is arranged in the inner cavity of the sliding sleeve.

[0018] As a further description of the above technical solution:

[0019] The squeezing roller is movably connected to the surface of the outer tube, and the outer tube is communicated with the hard tube, the hard tube and the elastic memory tube ring.

[0020] As a further description of the above technical solution:

[0021] The outer tube forms an extrudable structure through the extrusion roller and the sliding sleeve.

[0022] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0023] In the utility model, by pushing the component, when it slides on the surface of the outer tube, the squeezing roller can squeeze and roll on the surface of the outer tube, so that the outer tube can be easily cleared to prevent the outer tube from being blocked and unusable. There is no need to replace a new tube body, thus preventing the pain caused to the patient by replacing the tube body. When the inner tube of the drainage tube is implanted in the body, the angle can be easily rotated, and the drainage volume can be increased through the elastic memory tube ring and the multiple drainage holes on the surface. In summary, the problems in the background technology are solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional structural schematic diagram of a locking type disposable drainage catheter in the utility model;

[0025] Figure 2 It is a structural schematic diagram of the inner tube assembly in the utility model;

[0026] Figure 3 It is a structural schematic diagram of the driving component in the utility model;

[0027] Figure 4 It is a structural schematic diagram of the connection between the pushing component and the outer tube in the utility model.

[0028] Legend:

[0029] 1. Outer tube; 2. Inner tube assembly; 201. Hard tube; 202. Flexible tube; 203. Elastic memory tube ring; 204. Drainage hole; 3. Rubber sleeve; 4. Pushing assembly; 401. Bottom plate; 402. Sliding sleeve; 403. Connecting rod; 404. Extrusion roller; 405. Return spring; 406. Pressing plate. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Reference Figure 1-Figure 4 A locking type disposable drainage catheter comprises an outer tube 1, an inner tube component 2 is installed at one end of the outer tube 1, a rubber sleeve 3 is sleeved on the surface of the outer tube 1, and a pushing component 4 is installed on the surface of the outer tube 1;

[0032] The inner tube assembly 2 includes a plurality of hard tubes 201, a plurality of soft tubes 202 are fixed between the plurality of hard tubes 201, an elastic memory tube ring 203 is fixed at one end of the hard tube 201, and a plurality of drainage holes 204 are opened on the surface of the elastic memory tube ring 203;

[0033] The pushing assembly 4 includes a bottom plate 401, a sliding sleeve 402 is fixed on the surface of the bottom plate 401, two connecting rods 403 are passed through the inside of the bottom plate 401, a squeezing roller 404 is rotatably installed between the two connecting rods 403, a return spring 405 is fixed between the bottom plate 401 and the connecting rod 403, and a pressing plate 406 is fixed at the extended end of the connecting rod 403;

[0034] The rubber sleeve 3 is sleeved on the surface of the outer tube 1, and the rubber sleeve 3 is adhered to the wound through medical adhesive cloth. The rubber sleeve 3 can prevent the outer tube 1 from sliding through friction, and then the inner tube assembly 2 is implanted into the body. The soft tube 202 between the multiple hard tubes 201 can facilitate the rotation direction of the inner tube assembly 2 when implanted in the body. After being implanted in the designated position, the elastic memory tube ring 203 is entrenched in the body, and drainage can be performed through the drainage holes 204 on the surface;

[0035] When the outer tube 1 is clogged, the pressing plate 406 is manually pushed to move the connecting rod 403 in the bottom plate 401, and the connecting rod 403 drives the squeezing roller 404 to move, thereby increasing the distance between the squeezing roller 404 and the sliding sleeve 402, and then the sliding sleeve 402 is sleeved on the surface of the outer tube 1, and the pressing plate 406 is released to drive the squeezing roller 404 to reset and move through the elastic characteristics of the reset spring 405, so that the squeezing roller 404 is squeezed on the surface of the outer tube 1, and the bottom plate 401 is pulled to make the squeezing roller 404 roll on the surface of the outer tube 1, and the outer tube 1 is squeezed by the sliding sleeve 402, so that the outer tube 1 can be rolled and dredged.

[0036] Furthermore, the connecting rod 403 is in an “L” shape, and the return spring 405 is sleeved on the surface of the connecting rod 403 .

[0037] Furthermore, the connecting rod 403 forms an elastic telescopic structure with the bottom plate 401 through the return spring 405 .

[0038] Furthermore, the squeezing roller 404 is movably connected to the inner cavity of the sliding sleeve 402 .

[0039] Furthermore, the sliding sleeve 402 is movably connected to the surface of the outer tube 1 , and the outer tube 1 is arranged in the inner cavity of the sliding sleeve 402 .

[0040] Furthermore, the squeezing roller 404 is movably connected to the surface of the outer tube 1 , and the outer tube 1 is in communication with the hard tube 201 , and the hard tube 201 and the elastic memory tube ring 203 .

[0041] Furthermore, the outer tube 1 forms an extrudable structure between the extrusion roller 404 and the sliding sleeve 402 .

[0042] Working principle: Before use, first check whether the outer tube 1 and the inner tube assembly 2 can be used normally and the surface cleanliness, then put the rubber sleeve 3 on the surface of the outer tube 1, and the rubber sleeve 3 is bonded to the wound through medical adhesive cloth. The rubber sleeve 3 can prevent the outer tube 1 from sliding through friction, and then implant the inner tube assembly 2 into the body. The soft tube 202 between the multiple hard tubes 201 can facilitate the rotation direction of the inner tube assembly 2 when implanted in the body. After implantation in the designated position, the elastic memory tube ring 203 is entrenched in the body and drainage is performed through the drainage holes 204 on the surface. When the outer tube 1 is blocked, manually push the button The pressing plate 406 causes the connecting rod 403 to move in the bottom plate 401, and the connecting rod 403 drives the squeezing roller 404 to move, thereby increasing the distance between the squeezing roller 404 and the sliding sleeve 402, and then the sliding sleeve 402 is sleeved on the surface of the outer tube 1, and the pressing plate 406 is released, and the squeezing roller 404 is driven to reset and move through the elastic characteristics of the reset spring 405, so that the squeezing roller 404 is squeezed on the surface of the outer tube 1, and the bottom plate 401 is pulled to make the squeezing roller 404 roll on the surface of the outer tube 1, and the sliding sleeve 402 squeezes the outer tube 1, and the outer tube 1 is rolled and dredged, thus completing the working principle of the utility model.

[0043] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A locking disposable drainage catheter, comprising an outer tube (1), characterized in that: An inner tube assembly (2) is installed at one end of the outer tube (1), a rubber sleeve (3) is sleeved on the surface of the outer tube (1), and a pushing assembly (4) is installed on the surface of the outer tube (1); The inner tube assembly (2) comprises a plurality of hard tubes (201), a plurality of soft tubes (202) are fixed between the plurality of hard tubes (201), an elastic memory tube ring (203) is fixed at one end of the hard tube (201), and a plurality of drainage holes (204) are provided on the surface of the elastic memory tube ring (203); The pushing assembly (4) comprises a bottom plate (401), a sliding sleeve (402) is fixed on the surface of the bottom plate (401), two connecting rods (403) are passed through the inside of the bottom plate (401), a squeezing roller (404) is rotatably installed between the two connecting rods (403), a return spring (405) is fixed between the bottom plate (401) and the connecting rod (403), and a pressing plate (406) is fixed to the extended end of the connecting rod (403).

2. A locking disposable drainage catheter according to claim 1, characterized in that: The connecting rod (403) is in an "L" shape, and the return spring (405) is sleeved on the surface of the connecting rod (403).

3. The locking disposable drainage catheter according to claim 1, characterized in that: The connecting rod (403) forms an elastic telescopic structure with the bottom plate (401) via a return spring (405).

4. The locking disposable drainage catheter according to claim 1, characterized in that: The squeezing roller (404) is movably connected to the inner cavity of the sliding sleeve (402).

5. The locking disposable drainage catheter according to claim 1, characterized in that: The sliding sleeve (402) is movably connected to the surface of the outer tube (1), and the outer tube (1) is arranged in the inner cavity of the sliding sleeve (402).

6. The locking disposable drainage catheter according to claim 1, characterized in that: The squeezing roller (404) is movably connected to the surface of the outer tube (1), and the outer tube (1) is in communication with the hard tube (201), the hard tube (201) and the elastic memory tube ring (203).

7. The locking disposable drainage catheter according to claim 1, characterized in that: The outer tube (1) forms an extrudable structure through the extrusion roller (404) and the sliding sleeve (402).

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