CN216777718U

CN216777718U - Improved three-cavity urinary catheter

Info

Publication number: CN216777718U
Application number: CN202122838362.6U
Authority: CN
Inventors: 李想; 梁桂腾; 张强; 黄乙力; 陈春妮; 刘振鹏; 邓惠妍
Original assignee: Liuzhou Municipal Liutie Central Hospital
Current assignee: Liuzhou Municipal Liutie Central Hospital
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-06-21
Anticipated expiration: 2031-11-18

Abstract

The utility model provides an improved three-cavity urinary catheter, and belongs to the technical field of medical treatment. The catheter mainly comprises a catheter, wherein one end of the catheter is closed, a catheter hole is formed in the wall, close to the closed end, of the catheter, and three pipeline joints, namely an inflation joint, a flushing joint and a catheterization joint, are arranged at the other end of the catheter; the method is characterized in that: the catheter is annularly provided with an air bag, the air bag is arranged close to the closed end of the catheter tube and is positioned between the catheter hole and the pipeline joint, the air bag is communicated with the inflation joint through an inflation tube, and the inflation tube is arranged on the inner wall of the catheter; a blocking structure is detachably arranged between the air bag and the pipeline joint; the urine guide joint is detachably provided with a connecting urine stop valve; an air injection valve is arranged on the flushing connector. The utility model aims to provide an improved three-cavity catheter, which can well close a catheter joint, is not easy to lose, and can prevent the catheter from moving into a bladder through a blocking structure.

Description

Improved three-cavity urinary catheter

Technical Field

The utility model relates to the technical field of medical treatment, in particular to an improved three-cavity urinary catheter.

Background

In the medical field, for patients who are inconvenient to urinate, a catheter is usually used to be inserted into the bladder from the urethra to drain urine. An indwelling catheter is generally used for catheterization clinically, and is mainly characterized in that an air sac catheter is adopted, the air sac end of the air sac catheter is firstly inserted into a urethra, a female is generally inserted for about 7cm, a male is inserted for about 13cm, then distilled water or air is injected from an inflation connector of the catheter by using a syringe, the air sac is expanded, and the catheter is fixed in a bladder. However, after the patient inserts the urinary catheter, the patient turns over and the like, so that the urinary catheter slides into the bladder of the patient. Catheters that are outside the urethra, exposed to air for extended periods of time, have become contaminated and are susceptible to infection when they slide into the bladder. When the patient needs to urinate, the urethral catheterization joint is communicated with the urine bag to discharge the urine out of the body. When urination is not desired, the urinary catheterizing adapter is typically clamped with a clamp to prevent urine flow. However, the clamp is inconvenient to carry and easy to lose, and urine can leak due to loose clamp. These problems need to be solved.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, an object of the present invention is to provide an improved three-lumen urinary catheter, which can close the urinary catheter well, is not easy to lose, and can prevent the urinary catheter from moving into the bladder through a blocking structure.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

an improved three-cavity urinary catheter mainly comprises a urinary catheter, wherein one end of the urinary catheter is closed, a urinary hole is formed in the wall, close to the closed end, of the urinary catheter, and three pipeline joints, namely an inflation joint, a flushing joint and a urinary catheter joint, are arranged at the other end of the urinary catheter; the catheter is annularly provided with an air bag, the air bag is arranged close to the closed end of the catheter and is positioned between the urethral catheterization hole and the pipeline joint, the air bag is communicated with the inflation joint through an inflation tube, and the inflation tube is arranged on the inner wall of the catheter; a blocking structure is detachably arranged between the air bag and the pipeline joint; the urethral catheterization joint is detachably provided with a connecting urine stop valve; and the flushing joint is provided with an air injection valve.

Further, the closed end of the catheter is closed by a round head.

Further, the gasbag adopts similar circular cone structure, the pointed end of gasbag deviates from the blind end of catheter, the edge of gasbag adopts the circular arc transition.

Furthermore, the appearance of connecting the urine valve is cylindric structure, the one end of connecting the urine valve is pegged graft in the catheterization joint, the inner wall of the middle part of connecting the urine valve is fitted with a contraceptive ring and is equipped with the lug, connect and seted up the rotation hole on the urine valve, the axis of rotation hole is perpendicular with the axis of connecting the urine valve, the rotation hole runs through the lug, it is connected with the pivot to rotate on the rotation hole, the pivot is pegged graft in the rotation hole, the pivot rotates around the axis of rotation hole, the through-hole has been seted up in the pivot, the axis of through-hole is perpendicular to the axis of pivot, install fixture block and lower fixture block in the pivot, it is in between fixture block and the lower fixture block to connect the urine valve, the handle is installed to the tip of pivot.

Furthermore, a heparin cap is arranged on the urine connection stopping valve, and the heparin cap is positioned at one end where the urine connection stopping valve is connected with the urethral catheterization joint.

Furthermore, the upper clamping block and the lower clamping block are provided with a leakage-proof pad on the surface contacted with the urine stopping device.

Furthermore, the barrier structure is a strip-shaped fixing band, one side of the fixing band is attached with a viscose, the other side of the fixing band is provided with absorbent cotton, the fixing band is arranged on the outer wall of the catheter, and one side of the absorbent cotton faces outwards.

Furthermore, the air injection valve is a one-way valve, and an exhaust valve is arranged on the air injection valve.

Furthermore, the catheter is provided with scale marks.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

1. the catheter of the present invention extends deep into the urethra of a patient such that the closed end of the catheter extends deep into the bladder. The air bag is inflated through the inflation connector, so that the air bag is clamped at the position of the bladder opening after being expanded, and the catheter cannot be separated from the body of a patient. Still can dismantle on the catheter and install and block the structure, when the catheter is inserted like the internal suitable degree of depth of patient, install on the catheter and block the structure for the catheter can not outwards or inwards slide under gasbag and the restriction effect who blocks the structure, makes the catheter normal use, and can not make the patient receive the infection.

2. The urine guiding joint is detachably provided with the connecting urine stopping valve, and the urine guiding joint is opened or closed by connecting the urine stopping valve, so that urine can flow out or urine leakage is prevented. And the heparin cap is arranged on the urine stop valve, so that medical personnel can conveniently inject liquid medicine into the catheter through the heparin cap, and urine leakage of the catheter can not be caused.

Drawings

Fig. 1 is a schematic overall structure diagram provided in the embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a connection urine stop valve provided by the embodiment of the utility model.

Wherein, 1 is an air bag, 2 is a catheter, 3 is a blocking structure, 4 is a flushing joint, 5 is a catheter joint, 6 is a heparin cap, 7 is a handle, 8 is a rotating shaft, 9 is an upper fixture block, 10 is connected with a urine stop valve, 11 is a lower fixture block, 12 is an inflation joint, 13 is an air injection valve, 14 is a catheter hole, and 15 is a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The drawings are only for purposes of illustration and are only schematic and non-limiting, and certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product, so that it may be understood that certain well-known structures, elements and descriptions thereof in the drawings may be omitted for better illustrating the embodiments of the present invention, and the drawings illustrate the drawings and do not represent the orientation of the actual product.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The preferred embodiment of the present invention is shown in the drawings. An improved three-cavity urinary catheter mainly comprises a urinary catheter 2, wherein one end of the urinary catheter 2 is closed, a urinary guide hole 14 is formed in the wall, close to the closed end, of the urinary catheter 2, and three pipeline joints are arranged at the other end of the urinary catheter 2 and respectively comprise an inflation joint 12, a flushing joint 4 and a urinary guide joint 5; the urinary catheter 2 is annularly provided with an air bag 1, the air bag 1 is arranged close to the closed end of the urinary catheter and is positioned between the urinary hole 14 and the pipeline joint, the air bag 1 is communicated with the inflation joint 12 through an inflation tube, and the inflation tube is arranged on the inner wall of the urinary catheter 2; a blocking structure 3 is detachably arranged between the air bag 1 and the pipeline joint; the urethral catheterization joint 5 is detachably provided with a connecting urine stop valve; and an air injection valve 13 is arranged on the flushing connector 4.

In a particular use of the utility model, the closed end of the catheter 2 is first inserted into the urethra of a patient. Further, the closed end of the catheter 2 is closed by the round head, so that the urethra of the patient can be conveniently performed, and the urethral wall of the patient cannot be polluted by agricultural and commercial diseases. Furthermore, the catheter 2 is provided with scale marks. The depth of the catheter 2 can be known through the scale marks, and is about 7cm for general women and about 13cm for men. After the catheter 2 is inserted into a proper depth, the air bag 1 is inflated through the inflation tube by using the inflation connector 12, so that the air bag 1 is expanded, the catheter 2 is slightly pulled, and the air bag 1 is better clamped at the position of the bladder opening. Further, the gasbag 1 adopts a similar cone structure, the pointed end of the gasbag 1 deviates from the closed end of the catheter 2, and the edge of the gasbag 1 adopts circular arc transition. Through the design of class circular cone structure for gasbag 1 joint that can be better is in bladder mouth department, makes gasbag 1 and patient's bladder mouth better laminating, does not leak urine as far as possible. Then, the blocking structure 3 is arranged on the catheter 2, so that the catheter 2 cannot slide towards the bladder due to the movement of a patient or the contraction of the urethra, the catheter 2 which is contacted with the outside and possibly polluted enters the body of the patient, and the probability of infection is reduced. Three pipeline joints are arranged on the catheter 2, so that the requirements of flushing, catheterization and inflation can be met. For the sake of prior art, it is not described in detail here. However, since the use of the urethral adapter 5 is inconvenient, a urine stop valve is detachably attached to the urethral adapter 5. The catheter 2 can be opened or closed at any time by connecting the urine stop valve, so that the use is more convenient, the sealing performance is better, and urine leakage is difficult. An air injection valve 13 is installed on the inflation connector 12, further, the air injection valve 13 is a one-way valve, and an exhaust valve is arranged on the air injection valve 13. The inflation connector 12 is inflated through the inflation valve so that the gas flows in one direction. An exhaust valve is further arranged, when the catheter 2 needs to be taken out, the exhaust valve is opened, the air bag 1 is contracted, and the catheter 2 can be taken out.

Further, the 10 external shapes of the connection urine stop valve are cylindrical structures, one end of the 10 connection urine stop valve is inserted into the urine guide joint 5, a convex block is arranged on the inner wall of the middle part of the 10 connection urine stop valve in a ring mode, a rotation hole is formed in the connection urine stop valve, the axis of the rotation hole is perpendicular to the axis of the 10 connection urine stop valve, the rotation hole penetrates through the convex block, a rotation shaft 6 is rotatably connected to the rotation hole, the rotation shaft 6 is inserted into the rotation hole, the rotation shaft 6 rotates around the axis of the rotation hole, a through hole 15 is formed in the rotation shaft 6, the axis of the through hole 15 is perpendicular to the axis of the rotation shaft 6, an upper clamping block 9 and a lower clamping block 11 are installed on the rotation shaft 6, the connection urine stop valve is located between the upper clamping block 9 and the lower clamping block 11, and a handle 7 is installed at the end part of the rotation shaft 6. The lug is used for fixed pivot 6, can rotate pivot 6 through handle 7, when rotating certain angle for through-hole 15 on the pivot 6 with connect the 10 body intercommunications of urine valve, make the urine can be followed and connect the urine valve outflow body outward. The handle 7 can serve as an indication that the urine stop valve is open or closed when the handle 7 is in a horizontal or vertical state.

Because a patient needs to inject liquid medicine sometimes, the existing method is to directly prick the urethral catheterization joint 5 by adopting a syringe, but the urethral catheterization joint 5 is in a round tube shape, so that the syringe is easy to prick and deflect, medical staff is easy to prick, and urine leakage of the urethral catheterization joint 5 is easy to occur. Furthermore, a heparin cap 6 is arranged on the urine connection stopping valve, and the heparin cap 6 is positioned at one end of the urine connection stopping valve, which is connected with the urethral catheterization joint 5. The heparin cap 6 is used for injecting liquid medicine to the joint of the catheter 2, so that the operation is more convenient and safer.

Furthermore, the upper clamping block 9 and the lower clamping block 11 are provided with a leakage-proof pad on the surface contacted with the urine stopper, so that the tightness is improved, and the urine leakage is prevented.

Further, block structure 3 is the fixed band of bar, the viscose is attached to the one side of fixed band, the another side of fixed band is for being provided with the cotton that absorbs water, fixed band ring is established on the outer wall of catheter 2, and the cotton one side that absorbs water is outwards. The blocking structure 3 can be fixed at any position of the catheter 2 through the adhesive, so that the blocking structure 3 can be arranged on the catheter in a ring mode. The cotton ring that absorbs water through bulky is established on the catheter, and bulky, plays the effect that blocks, prevents that catheter 2 from removing to the bladder. And the absorbent cotton can absorb urine which flows out carelessly.

The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.

Claims

1. An improved three-cavity urinary catheter mainly comprises a urinary catheter, wherein one end of the urinary catheter is closed, a urinary hole is formed in the wall, close to the closed end, of the urinary catheter, and three pipeline joints, namely an inflation joint, a flushing joint and a urinary catheter joint, are arranged at the other end of the urinary catheter; the method is characterized in that: the catheter is annularly provided with an air bag, the air bag is arranged close to the closed end of the catheter and is positioned between the urethral catheterization hole and the pipeline joint, the air bag is communicated with the inflation joint through an inflation tube, and the inflation tube is arranged on the inner wall of the catheter; a blocking structure is detachably arranged between the air bag and the pipeline joint; the urethral catheterization joint is detachably provided with a connecting urine stop valve; and an air injection valve is arranged on the flushing joint.

2. The improved three-lumen catheter of claim 1, wherein: the closed end of the catheter is closed by a round head.

3. The improved three-lumen catheter of claim 1, wherein: the gasbag adopts the similar cone structure, the pointed end of gasbag deviates from the blind end of catheter, the edge of gasbag adopts the circular arc transition.

4. The improved three-lumen catheter as set forth in claim 1, wherein: the connecting urine stop valve is of a cylindrical structure, one end of the connecting urine stop valve is inserted into the urethral catheterization connector, a protruding block is arranged on the inner wall of the middle of the connecting urine stop valve in a fitted mode, a rotating hole is formed in the connecting urine stop valve, the axis of the rotating hole is perpendicular to the axis of the connecting urine stop valve, the rotating hole penetrates through the protruding block, a rotating shaft is connected to the rotating hole in a rotating mode and is inserted into the rotating hole, the rotating shaft rotates around the axis of the rotating hole, a through hole is formed in the rotating shaft, the axis of the through hole is perpendicular to the axis of the rotating shaft, an upper clamping block and a lower clamping block are installed on the rotating shaft, the connecting urine stop valve is located between the upper clamping block and the lower clamping block, and a handle is installed at the end of the rotating shaft.

5. The improved three-lumen catheter as set forth in claim 4, wherein: the connection urine stop valve is provided with a heparin cap, and the heparin cap is positioned at one end of the connection urine stop valve connected with the catheterization joint.

6. The improved three-lumen catheter of claim 4, wherein: and the upper clamping block and the lower clamping block are provided with a leakage-proof pad on the surface contacted with the urine stopping device.

7. The improved three-lumen catheter of claim 1, wherein: the barrier structure is the fixed band of bar, the viscose is attached to the one side of fixed band, the another side of fixed band is for being provided with the cotton that absorbs water, fixed band ring is established on the outer wall of catheter, and the cotton one side that absorbs water is outwards.

8. The improved three-lumen catheter of claim 1, wherein: the air injection valve is a one-way valve, and an exhaust valve is arranged on the air injection valve.

9. The improved three-lumen catheter of claim 1, wherein: the catheter is provided with scale marks.