Diameter-adjustable catheter

Abstract

The utility model discloses a diameter-adjustable urethral catheter, which belongs to the technical field of medical urethral catheters and comprises a urethral catheter body, the urethral catheter body is made of silica gel and is hollow inside, a liquid outlet is fixedly mounted at the lower end of the urethral catheter body, and an anti-falling component and a diameter adjusting component are fixedly mounted outside the urethral catheter body. The anti-falling assembly is located above the diameter adjusting assembly, the lower end of the liquid outlet is hinged to the anti-backflow assembly, one side of the upper end of the catheter body is provided with a head end side hole, the lower end of the catheter body is provided with scale marks, when the catheter is used, the catheter is prevented from falling off through the anti-falling assembly, and the diameter of the catheter is conveniently adjusted through the diameter adjusting assembly; the device can be suitable for patients with different urethra diameters, and urine in the urine bag is prevented from splashing and flowing back to the catheter through the backflow prevention assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to a diameter adjustable urethral catheter belongs to medical urethral catheter technical field. BACKGROUND

[0002] The urethral catheter is made of natural rubber or silicone rubber and other materials, one end of the urethral catheter is inserted into the bladder of the patient through the urethra to drain urine, the traditional urethral catheter is easy to fall off during use, and medical staff needs to reinsert it, which is very painful for the patient, and since the urethral diameters of different patients are different, if the diameter of the urethral catheter is too large, it will increase the pain of the patient, and if the diameter of the urethral catheter is too small, it will lead to poor catheterization effect and easy urine leakage.

[0003] The utility model discloses a urethral catheter, the utility model relates to a urethral catheter, including pipe body, air bag and traction device, pipe body is equipped with urine inlet end and rear end, urine inlet end sets up urethral orifice, rear end is detachably connected with traction device, and traction device is used for adjusting the position of air bag in bladder.

[0004] However, the urethral catheter is easy to fall off during use, and if the urethral catheter falls off, it needs to be reinserted, which causes the patient to suffer pain again, and the diameter of the urethral catheter is fixed, if the urethral diameter of the patient is small, it will increase the pain of the patient, and if the urethral diameter of the patient is large, the urethral catheter will leak after insertion, which is not convenient to use. UTILITY MODEL CONTENTS

[0005] The utility model discloses a diameter adjustable urethral catheter, which can prevent the urethral catheter from falling off through the anti-falling assembly, and can be suitable for patients with different urethral diameters through the diameter adjusting assembly, and can prevent the patient from bladder infection caused by the backflow of urine stored in the urine bag into the urethral catheter through the anti-backflow assembly when the outlet is connected to the urine bag during subsequent use.

[0006] The utility model discloses a diameter adjustable urethral catheter, comprising urethral catheter body, the urethral catheter body is silica gel material and inside hollow, urethral catheter body lower end fixed mounting has liquid outlet, urethral catheter body outside fixed mounting has anti -drop component and diameter adjusting assembly, the anti -drop component is located diameter adjusting assembly top, the liquid outlet lower end articulates and has anti -backflow component, the urethral catheter body upper end one side is provided with head end side hole, the urethral catheter body lower end is provided with scale line, through anti -drop component, prevent urethral catheter drop, through diameter adjusting assembly, in order to the device suitable for the patient of different urethral diameter, through anti -backflow component again, in order to prevent the subsequent use when liquid outlet connects urine bag, the urine in urine bag backflow to urethral catheter, cause the bladder infection of patient.

[0007] Preferably, in order to facilitate the inflation balloon to be clamped in the bladder after swelling, thereby preventing the urethral catheter from falling off, the anti-falling-off assembly comprises an inflation balloon, the inflation balloon is fixedly installed on the outer upper end of the urethral catheter body, and one side of the inner portion of the urethral catheter body is fixedly installed with a balloon cavity.

[0008] Preferably, in order to facilitate the inflation and deflation adjustment of the inflation balloon, one side of the liquid outlet is fixedly installed with a balloon pipeline, the balloon pipeline is internally provided with a balloon channel, a hard valve is fixedly connected below the balloon pipeline, the upper end of the balloon cavity penetrates through the urethral catheter body and is connected with the inner portion of the inflation balloon, and the lower end of the balloon cavity penetrates through the liquid outlet and is connected with the balloon cavity.

[0009] Preferably, in order to facilitate the inflation balloon to be clamped in the bladder after swelling, thereby preventing the urethral catheter from falling off, the anti-falling-off assembly comprises an inflation balloon, the inflation balloon is fixedly installed on the outer upper end of the urethral catheter body, and one side of the inner portion of the urethral catheter body is fixedly installed with a balloon cavity.

[0010] Preferably, in order to facilitate the inflation and deflation adjustment of the inflation balloon, one side of the liquid outlet is fixedly installed with a balloon pipeline, the balloon pipeline is internally provided with a balloon channel, a hard valve is fixedly connected below the balloon pipeline, the upper end of the balloon cavity penetrates through the urethral catheter body and is connected with the inner portion of the inflation balloon, and the lower end of the balloon cavity penetrates through the liquid outlet and is connected with the balloon cavity.

[0011] Preferably, in order to prevent the plug from being lost, the lower end of the balloon pipeline is inserted with a plug, one side of the plug is fixedly installed with a connecting strip, and the upper end of the connecting strip is fixedly installed on one side of the balloon pipeline.

[0012] Preferably, in order to prevent urine backflow into the catheter to cause infection of the patient, the backflow prevention assembly comprises a limiting column fixedly installed on one side of the lower end of the liquid outlet, and a baffle is hingedly connected to the upper end of the limiting column.

[0013] Preferably, in order to facilitate automatic resetting of the baffle, a torsion spring is fixedly installed in a spring slot symmetrically formed on one side of the baffle.

[0014] The catheter device has the advantages that: when in use, the anti-falling assembly prevents the catheter from falling off, the diameter adjusting assembly facilitates the device to be suitable for patients with different urethral diameters, and the backflow prevention assembly prevents urine backflow into the catheter to cause infection of the patient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an overall structure schematic view of the utility model.

[0016] Figure 2 It is an overall sectional structure schematic view of the utility model.

[0017] Figure 3 It is a structure schematic view of the utility model. Figure 2 A portion structure schematic view of the utility model.

[0018] Figure 4 It is a B portion structure schematic view of the utility model. Figure 2 A portion structure schematic view of the utility model.

[0019] Figure 5 It is a C portion structure schematic view of the utility model. Figure 2 A portion structure schematic view of the utility model.

[0020] Figure 6 It is a liquid outlet structure schematic view of the utility model.

[0021] Figure 7 It is a backflow prevention assembly structure schematic view of the utility model.

[0022] In the drawing: 1, catheter body; 2, liquid outlet; 3, anti-falling assembly; 301, inflatable balloon; 302, balloon cavity; 303, balloon pipeline; 304, hard valve; 4, diameter adjusting assembly; 401, columnar air bag; 402, air bag cavity; 403, air bag pipeline; 404, plug; 405, connecting strip; 5, backflow prevention assembly; 501, limiting column; 502, baffle; 503, torsion spring; 6, head end side hole. DETAILED DESCRIPTION

[0023] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of the utility model protection.

[0024] Please refer to Figures 1-7 As shown in FIG. 1, a diameter-adjustable urinary catheter comprises a urinary catheter body 1, the urinary catheter body 1 is made of silica gel and is hollow inside, a liquid outlet 2 is fixedly installed at the lower end of the urinary catheter body 1, an anti-falling assembly 3 and a diameter adjusting assembly 4 are fixedly installed outside the urinary catheter body 1, so as to prevent the device from falling off, so as to adjust the diameter of the device after the insertion of the urinary catheter is completed, thereby preventing the urinary catheter from being too thin to cause urine leakage, the anti-falling assembly 3 is located above the diameter adjusting assembly 4, the lower end of the liquid outlet 2 is hingedly connected with an anti-backflow assembly 5, so as to prevent the urine in the urine bag from flowing back to the urinary catheter and causing infection of the patient, a head end side hole 6 is formed at one side of the upper end of the urinary catheter body 1, and a scale line is arranged at the lower end of the urinary catheter body 1, so as to facilitate the re-insertion of the urinary catheter for the patient.

[0025] As a technical optimization scheme of the utility model, as Figures 2-5As shown, the anti-falling assembly 3 comprises an inflatable balloon 301 fixedly installed on the outer upper end of the catheter body 1, so that after the catheter body 1 is inserted into the patient's bladder, the inflatable balloon 301 is inflated to expand, so that the inflatable balloon 301 is clamped in the patient's bladder, and the balloon cavity 302 is fixedly installed on one side of the inner side of the catheter body 1, which is hollow inside to convey gas to the inflatable balloon 301, and the balloon conduit 303 is fixedly installed on one side of the liquid outlet 2, which is provided with a balloon passage inside, and the hard valve 304 is fixedly connected below the balloon conduit 303 to control the inflation and deflation adjustment of the inflatable balloon 301, and the balloon cavity 302 penetrates through the catheter body 1 and is connected with the inside of the inflatable balloon 301 at the upper end, and the balloon cavity 302 penetrates through the liquid outlet 2 and is connected with the balloon cavity 302 at the lower end, and the diameter adjusting assembly 4 comprises a cylindrical balloon 401 fixedly installed on the middle position of the outer side of the catheter body 1, so that after the device is inserted, the cylindrical balloon 401 is inflated to adjust the diameter of the catheter until the cylindrical balloon 401 is attached to the inner wall of the patient's urethra, and the balloon cavity 402 is fixedly installed on the other side of the inner side of the catheter body 1, which is hollow inside to transmit gas flow to the cylindrical balloon 401, and the balloon conduit 403 is fixedly installed on the other side of the liquid outlet 2, which is provided with a balloon passage inside, and the balloon conduit 403 penetrates through the catheter body 1 and is connected with the inside of the cylindrical balloon 401 at the upper end, and the balloon conduit 403 penetrates through the liquid outlet 2 and is connected with the balloon passage at the lower end, and the plug 404 is inserted into the balloon conduit 403 at the lower end to adjust the inflation and deflation of the cylindrical balloon 401, thereby adjusting the diameter of the catheter, and the connecting strip 405 is fixedly installed on one side of the plug 404.

[0026] As a technical optimization scheme of the utility model, as shown in Figure 6 and Figure 7 As shown, the anti-reflux assembly 5 comprises a limiting column 501 fixedly installed on one side of the lower end of the liquid outlet 2 to limit the movement range of the baffle 502, and the baffle 502 is hingedly connected to the upper end of the limiting column 501 to block the urine in the urine bag, and the spring slot is symmetrically provided on one side of the baffle 502, and the torsion spring 503 is fixedly installed in the spring slot to reset the baffle 502.

[0027] The utility model discloses a catheter diameter adjustable device, including catheter body 1, liquid outlet 2, urine bag, the catheter body 1 is provided with the anti -drop subassembly 3, the anti -drop subassembly 3 is provided with the scale line, the anti -drop subassembly 3 is provided with the plug 404, the plug 404 is provided with the plunger, the plunger is provided with the needle tube output end, the needle tube output end is provided with the hard valve 304, the hard valve 304 is provided with the inflatable balloon 301, the inflatable balloon 301 is provided with the balloon pipeline 303, the balloon pipeline 303 is provided with the balloon cavity 302, the balloon cavity 302 is provided with the cylindrical balloon 401, the cylindrical balloon 401 is provided with the baffle 502, the baffle 502 is provided with the torsion spring 503, the baffle 502 is provided with the urine bag, the urine bag is provided with the urine bag pipeline 402, the urine bag pipeline 402 is provided with the urine bag pipeline 403.

[0028] It will be apparent to those skilled in the art that the present application is not limited to the details of the above-exemplified embodiments but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the above description, and it is intended to be encompassing of all changes and modifications which fall within the meaning and scope of equivalents of the claims. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0029] Furthermore, it should be understood that although the present specification describes only one independent technical solution for each embodiment, the specification is described only for the sake of clarity, and each technical solution in the specification can be combined with other technical solutions in the specification to form other embodiments that can be understood by those skilled in the art.

Claims

1. A diameter-adjustable urinary catheter, characterized in that: The catheter includes a catheter body (1), which is made of silicone and hollow inside. An outlet (2) is fixedly installed at the lower end of the catheter body (1). An anti-dislodgement component (3) and a diameter adjustment component (4) are fixedly installed on the outside of the catheter body (1). The anti-dislodgement component (3) is located above the diameter adjustment component (4). An anti-backflow component (5) is hinged at the lower end of the outlet (2). A head end side hole (6) is opened on one side of the upper end of the catheter body (1). A scale line is provided at the lower end of the catheter body (1).

2. The adjustable-diameter urinary catheter according to claim 1, characterized in that: The anti-dislodgement component (3) includes an inflatable balloon (301), which is fixedly installed on the upper part of the catheter body (1). A balloon cavity (302) is fixedly installed on one side of the catheter body (1), and the balloon cavity (302) is hollow inside.

3. The adjustable-diameter urinary catheter according to claim 2, characterized in that: A balloon tube (303) is fixedly installed on one side of the outlet (2). A balloon channel is opened inside the balloon tube (303). A rigid valve (304) is fixedly connected to the lower part of the balloon tube (303). The upper end of the balloon cavity (302) passes through the catheter body (1) and connects to the inside of the inflatable balloon (301). The lower end of the balloon cavity (302) passes through the outlet (2) and connects to the balloon cavity (302).

4. The adjustable-diameter urinary catheter according to claim 1, characterized in that: The diameter adjustment component (4) includes a columnar airbag (401), which is fixedly installed at the middle position outside the catheter body (1). An airbag cavity (402) is fixedly installed on the other side inside the catheter body (1), and the airbag cavity (402) is hollow inside.

5. The adjustable-diameter urinary catheter according to claim 4, characterized in that: An airbag tube (403) is fixedly installed on the other side of the outlet (2). An airbag channel is opened inside the airbag tube (403). The upper end of the airbag tube (403) passes through the catheter body (1) and connects to the inside of the columnar airbag (401). The lower end of the airbag tube (403) passes through the outlet (2) and connects to the airbag channel.

6. The adjustable-diameter urinary catheter according to claim 5, characterized in that: A plug (404) is inserted into the lower end of the airbag tube (403), and a connecting strip (405) is fixedly installed on one side of the plug (404). The upper end of the connecting strip (405) is fixedly installed on one side of the airbag tube (403).

7. The adjustable-diameter urinary catheter according to claim 1, characterized in that: The anti-backflow component (5) includes a limiting post (501), which is fixedly installed on one side of the lower end of the liquid outlet (2), and a baffle (502) is hinged to the upper end of the limiting post (501).

8. The adjustable-diameter urinary catheter according to claim 7, characterized in that: The baffle (502) has symmetrical spring grooves on one side, and a torsion spring (503) is fixedly installed in the spring groove.

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