CN110916605A

CN110916605A - Portable visual urethral dilation auxiliary urethral catheterization device

Info

Publication number: CN110916605A
Application number: CN201911358602.3A
Authority: CN
Inventors: 李宁; 王于勇; 董彤; 王宇伟; 李昶灸; 何华东
Original assignee: Hangzhou First Peoples Hospital
Current assignee: Hangzhou First Peoples Hospital
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-03-27

Abstract

The invention discloses a portable visual urethra dilation auxiliary urethral catheterization device, which comprises a urethra dilator, wherein the urethra dilator consists of a straight part and a bent part, the urethra dilator is of a hollow structure, an optical fiber rod is inserted in the urethra dilator, an optical fiber is arranged in the optical fiber rod, the optical fiber rod consists of the straight rod and the bent rod, the head end of the bent part of the urethra dilator is provided with a mirror hole, the head of the bent rod is provided with a lens, the lens is matched with the mirror hole in position and size, the bent rod is made of plastic materials, the outer side surface of the optical fiber rod is tightly attached to the inner side surface of the urethra dilator, one end of the optical fiber rod extends out of the urethra dilator and is fixedly connected with a connecting pipe, one end of the outer side surface of the connecting pipe is provided with an optical fiber interface, and the optical fiber interface is electrically connected with an external display, the operation safety is greatly improved.

Description

Portable visual urethral dilation auxiliary urethral catheterization device

Technical Field

The invention relates to the technical field of medical equipment, in particular to a portable visual urethral dilatation auxiliary urethral catheterization device.

Background

With the aging of the population, the incidence of partial aging diseases such as prostatic hyperplasia and the like is higher and higher, and urethral stricture caused by partial congenital stricture, trauma and iatrogenic injury appears, the general treatment is to try to retain a catheter, and if the catheter is not retained successfully, the symptomatic treatment can be carried out when the etiology of a patient is relatively simple. For example, the urethral stricture can be used for urethral dilatation and prostatic hyperplasia feasible cystoscopy, and a catheter is kept along the guide wire after the guide wire is placed.

However, the above means have considerable limitations, but currently, in the mainstream urethral dilatation, the patient after the urethral and prostate operation can only poke out the false passage and aggravate the risk of injury by means of the hand feeling of the operating physician when probing into the urethra through the urethral dilator, but the guide wire is placed through the cystoscope probing operation, which needs to be performed in an operating room or a special field, and the cystoscope cannot safely and gradually dilate the urethral stricture, so that the potential safety hazard exists.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the existing defects, and provide a portable visual urethral dilation auxiliary urethral catheterization device which can observe the interior of a urethra, is convenient for a doctor to operate according to the internal condition, greatly improves the operation safety, further improves the use efficiency of the urethral dilation auxiliary urethral dilation device, and can effectively solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a portable visual auxiliary urethral catheterization device for urethral dilation, which comprises a urethral dilator, wherein the urethral dilator consists of a straight part and a bent part, the urethra dilator is of a hollow structure, an optical fiber rod is inserted in the urethra dilator, an optical fiber is arranged in the optical fiber rod, the optical fiber rod consists of a straight rod and a bent rod, the head end of the bent part of the urethra dilator is provided with a lens hole, the head of the bent rod is provided with a lens, the lens is matched with the position and the size of the lens hole, the bent rod is made of plastic materials, the outer side surface of the optical fiber rod is tightly attached to the inner side surface of the urethra dilator, one end of the optical fiber rod extends out of the urethra dilator and is fixedly connected with a connecting pipe, one end of the outer side surface of the connecting pipe is provided with an optical fiber interface, the optical fiber interface is electrically connected with an external display, the lateral surface of urethra expander is equipped with first latch device, and the one end of connecting pipe is equipped with second latch device, passes through first latch device and second latch device fixed connection between urethra expander and the connecting pipe.

As a preferable technical scheme of the invention, the first clamping device comprises a ferrule which is rotatably sleeved at the straight part of the urethral dilator, a plurality of side holes are arranged in the ferrule, the second clamping device comprises a fixing ring which is fixed at the outer side surface of the straight rod, and a plurality of side blocks which are matched with the plurality of side holes are arranged at the outer side surface of the fixing ring.

As a preferable aspect of the present invention, a wrench is fixed to an outer side surface of the ferrule.

As a preferred technical scheme of the invention, the first clamping device comprises a ferrule fixedly sleeved on the straight part of the urethral dilator, at least two clamping blocks are symmetrically arranged on one side of the ferrule, the second clamping device comprises a clamping groove arranged on the outer side surface of one end of the connecting pipe, and the clamping groove is matched with the clamping blocks.

As a preferable technical solution of the present invention, the other end of the connecting tube is provided with a handle.

In a preferred embodiment of the present invention, the curved portion of the urethral dilator is a thin-front and thick-rear structure.

Compared with the prior art, the invention has the beneficial effects that: this supplementary urethral catheterization device of portable visual urethra expansion compact structure, and reasonable design, occupation space is little during the use, can observe urethra inside, improve the operation security greatly, through setting up optic fibre pole and camera lens, conveniently insert the urethra expander with the camera lens in, do not influence the normal use of urethra expander, be convenient for simultaneously observe the inside condition of urethra, through setting up first latch device and second latch device, make things convenient for dismantlement and installation between optic fibre pole and the urethra expander, the convenience of using has been improved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a cross-sectional view taken at FIG. 2A;

FIG. 4 is a schematic view of a fiber optic rod configuration;

FIG. 5 is a cross-sectional view at FIG. 4B;

FIG. 6 is a schematic structural view of a urethral dilator;

FIG. 7 is a schematic structural diagram of another embodiment of the present invention;

FIG. 8 is a cross-sectional view at FIG. 7C;

fig. 9 is a sectional view at fig. 7D.

In the figure: the device comprises a urethra dilator 1, a mirror hole 2, a first clamping device 3, a ferrule 31, a multi-edge hole 32, a wrench 33, a clamping block 34, a second clamping device 4, a fixing ring 41, a multi-edge block 42, a clamping groove 43, an optical fiber interface 5, a handle 6, an optical fiber rod 7, a straight rod 71, a bent rod 72, a lens 8 and a connecting pipe 9.

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, but not all of the embodiments (for convenience of description and understanding, the upper side of fig. 2 is referred to as the upper side below). All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1-6, the optical fiber rod 7 is inserted into the urethra dilator 1 by holding the handle 6, the curved rod 72 of the optical fiber rod 7 is bent to the same radian along the curved portion of the urethra dilator 1, when the insertion is completed, the lens 8 is just located at the endoscopic hole 2, the polygonal block 42 is inserted into the polygonal hole 32, the wrench 33 is used to control the ferrule 31 to rotate, the position of the polygonal hole 32 is adjusted to match the polygonal block 42, the polygonal hole and the polygonal block are connected together in a clamping manner, the urethra dilator 1 is connected with an external display through the optical fiber interface 5, the curved portion of the urethra dilator 1 is of a thin front and thick rear structure, the effect of slowly expanding the narrow portion of the urethra is achieved, the internal situation of the urethra can be observed through the image transmitted by the lens 8, and the operation judgment of a doctor is facilitated.

Example 2:

referring to fig. 7-9, the handle 6 is held to insert the fiber rod 7 into the urethra dilator 1, the curved rod 72 of the fiber rod 7 is bent along the curved portion of the urethra dilator 1 to form the same curvature, when the insertion is completed, the lens 8 is located at the position of the lens hole 2, and the latch 34 on the outer side of the ferrule 31 is engaged with the latch 43 on one side of the connection tube 9, so that the two are fixed together.

The outer circle size of urethra expander 1 divide into a plurality of models, and inside size closely laminates with the excircle of optic fibre pole 7 all the time, when exploring the urethra, inserts optic fibre pole 7 respectively in the urethra expander 1 that the outer circle size is different, during the operation, chooses for use the urethra expander 1 of different models to insert the observation in proper order by carefully to the thick, guarantees the safety in utilization, does not cause the damage to the patient.

The invention can be operated conveniently, occupies less space when in use and is convenient to operate and use; the inside of the urethra can be observed by arranging the optical fiber rod 7 and the lens 8, so that the operation safety is greatly improved; through setting up first latch device 3 and second latch device 4, make things convenient for dismantlement and installation between optic fibre pole 7 and urethra expander 1, improved the convenience of use, make things convenient for the successful implantation of catheter.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a portable visual urethral dilation auxiliary catheterization device, includes urethral dilator (1), and urethral dilator (1) comprises straight portion and curved part, its characterized in that: urethra expander (1) is hollow structure, and it has optic fibre pole (7) to peg graft in urethra expander (1), is equipped with optic fibre in optic fibre pole (7), and optic fibre pole (7) comprise straight-bar (71) and curved bar (72), the curved part head end of urethra expander (1) is equipped with mirror hole (2), and the head of curved bar (72) is equipped with camera lens (8), and camera lens (8) cooperate with the position and the size of mirror hole (2), and curved bar (72) are made by plastic material, and the lateral surface of optic fibre pole (7) closely laminates with the medial surface of urethra expander (1), and the one end of optic fibre pole (7) stretches out outside urethra expander (1) and with connecting pipe (9) fixed connection, and the lateral surface one end of connecting pipe (9) is equipped with optical fiber interface (5), and optical fiber interface (5) are connected with external display electricity, the lateral surface of urethra expander (1) is equipped with first latch device (3), one end of the connecting pipe (9) is provided with a second clamping device (4), and the urethra dilator (1) is fixedly connected with the connecting pipe (9) through the first clamping device (3) and the second clamping device (4).

2. The portable visual urethral dilation-assisted catheterization device of claim 1, wherein: first latch device (3) including rotating ferrule (31) of cup jointing in urethra expander (1) straight portion, ferrule (31) inside is equipped with multilateral hole (32), second latch device (4) including fixing retainer plate (41) at straight-bar (71) lateral surface, the lateral surface of retainer plate (41) is equipped with and multilateral piece (42) of multilateral hole (32) matched with.

3. The portable visual urethral dilation-assisted catheterization device of claim 2, wherein: a spanner (33) is fixed on the outer side surface of the ferrule (31).

4. The portable visual urethral dilation-assisted catheterization device of claim 1, wherein: the first clamping device (3) comprises a ferrule (31) fixedly sleeved on the straight part of the urethra dilator (1), at least two clamping blocks (34) are symmetrically arranged on one side of the ferrule (31), the second clamping device (4) comprises a clamping groove (43) arranged on the outer side surface of one end of the connecting pipe (9), and the clamping groove (43) is matched with the clamping blocks (34).

5. The portable visual urethra dilation-assisted catheterization device of claim 1 or 4, wherein: the other end of the connecting pipe (9) is provided with a handle (6).

6. The portable visual urethral dilation-assisted catheterization device of claim 1, wherein: the bent part of the urethra dilator (1) is of a structure with a thin front part and a thick rear part.