CN210020551U

CN210020551U - Medical guidable catheter

Info

Publication number: CN210020551U
Application number: CN201920663015.4U
Authority: CN
Inventors: 张劲松; 王剑松; 熊波波; 王海峰
Original assignee: Second Affiliated Hospital of Kunming Medical University
Current assignee: Second Affiliated Hospital of Kunming Medical University
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2020-02-07
Anticipated expiration: 2029-05-10

Abstract

The utility model provides a medical guidable catheter, which relates to the technical field of medical instruments, can improve the success rate and efficiency of inserting the urinary catheter and solve the problem of the injury of the urinary catheter caused by inserting the urinary catheter for many times; the urinary catheter comprises a urinary catheter main body, wherein the urinary catheter main body is cylindrical and tubular; a guide wire channel, a urination pipeline, a flushing pipeline and a balloon water injection pipeline are arranged in the ureter main body in a penetrating manner; the guide wire channel, the urination pipeline, the flushing pipeline and the balloon water injection pipeline are all hollow tubular; a guide wire outlet hole is formed at the port of the inner end of the ureter main body, and two outlets and a saccule are sequentially arranged from the guide wire outlet hole to the outside of the body; the guide wire outlet hole is communicated with the guide wire channel; the two outlets are respectively communicated with the urination pipeline and the flushing pipeline; the balloon wraps the ureter main body and is communicated with the balloon water injection pipeline. The utility model provides a technical scheme is applicable to the ureter in-process when urethra anatomical structure changes.

Description

Medical guidable catheter

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of medical apparatus, especially, relate to a medical guide catheter.

[ background of the invention ]

Factors such as trauma, electrocision of the prostate, radical treatment of prostate cancer, etc., can cause changes in the anatomical structure of the urethra, even urethral rupture; because the catheter in the prior art has no guide function, the catheter is inserted into the urethra in a blind way basically, and for the urethra with changed urethra anatomical structure, the blind insertion catheter is easy to aggravate the injury of the urethra or form a urethra blind channel, so that the pain of a patient is increased.

[ Utility model ] content

In view of this, the utility model provides a medical guidable catheter utilizes seal wire guide catheter's insertion, can improve the success rate and the efficiency of inserting the ureter, solves the damage problem of inserting the ureter many times to the urethra.

On one hand, the utility model provides a medical guidable catheter, which comprises a catheter main body, wherein the catheter main body is in a hollow cylindrical tube shape; a guide wire channel, a urination pipeline, a flushing pipeline and a balloon water injection pipeline are arranged in the ureter main body in a penetrating manner;

the guide wire channel, the urination pipeline, the flushing pipeline and the balloon water injection pipeline are all hollow tubular structures; a guide wire outlet hole is formed at the port of the inner end of the ureter main body, and a urine inlet hole and a balloon are sequentially formed in the ureter main body from the guide wire outlet hole to the outside; the guide wire outlet hole is communicated with the guide wire channel; the urine inlet hole is communicated with the urination pipeline; the balloon wraps the ureter main body and is communicated with the balloon water injection pipeline; the inner end of the flushing pipeline is communicated with the urine inlet hole, and the outer end of the flushing pipeline is connected with the water bag.

There is further provided in accordance with the above-described aspect and any one of the possible implementations, an implementation in which the guidewire exit orifice is elliptical and is located ventrally of the port.

The above aspect and any possible implementation manner further provide an implementation manner, wherein a sealing cap is disposed at an external end of the guide wire channel, and the sealing cap is hermetically connected to the guide wire channel, and a small hole for the guide wire to pass through is disposed in the middle of the sealing cap.

The above aspect and any possible implementation further provides an implementation in which the urine inlet holes are two and both of which are elliptical; the two urine inlet holes are respectively arranged at two sides of the urine tube main body.

The above aspects and any possible implementation manners further provide an implementation manner, and a balloon valve for controlling the start and stop of water injection is arranged at the outer end of the balloon water injection pipeline.

The above aspects and any possible implementations further provide an implementation in which the balloon is circular or elliptical.

The above aspects and any possible implementations further provide an implementation in which the guide wire channel, the urination conduit, the flushing conduit, the balloon, and the balloon water injection conduit are all made of a water-slippery flexible material, and the material of the balloon has elasticity.

The above aspect and any possible implementation further provides an implementation in which the distance between the urine entry hole and the guidewire exit hole is 1.5cm to 2.5 cm; the distance between the balloon and the guide wire outlet hole is 3cm-5 cm.

The above aspect and any possible implementation further provide an implementation in which the guide wire channel, the urination conduit, the flushing conduit, and the balloon water injection conduit are made of a polyamide rubber material.

The aspect and any possible implementation described above, further providing an implementation in which the guide wire channel has a tube diameter of 1.67 mm; the diameter of the saccule perpendicular to the direction of the catheter is 1 cm.

Compared with the prior art, the utility model discloses can obtain including following technological effect: the catheter is suitable for patients with urethral anatomy structure change caused by trauma, prostate electrosection, radical prostate cancer operation and other factors, improves the success rate and efficiency of catheter insertion, and solves the problem of urethral damage caused by multiple catheter insertions.

Of course, it is not necessary for any product of the present invention to achieve all of the above-described technical effects simultaneously.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a medical guidable urinary catheter according to an embodiment of the present invention;

fig. 2 is a diagram illustrating use of a medical guidable urinary catheter according to an embodiment of the present invention.

Wherein, in the figure:

1. a balloon valve; 2. a balloon water injection pipeline; 3. a balloon; 4. a urine outlet; 5. a flushing port; 6. a sealing cap; 7. a guidewire channel; 8. a urinary tract; 9. a flushing pipeline; 10. a urinary catheter body; 11. a first urine inlet hole; 12. a second urine inlet hole; 13. a guide wire outlet hole; 14. a guidewire.

[ detailed description ] embodiments

For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.

It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

Fig. 1 is a schematic structural view of a medical guidable urinary catheter according to an embodiment of the present invention. As shown in fig. 1, the medical guidable urinary catheter comprises a balloon valve 1, a balloon water injection pipeline 2, a balloon 3, a urine outlet 4, a flushing port 5, a sealing cap 6, a guide wire channel 7, a urination pipeline 8, a flushing pipeline 9, a urinary catheter main body 10, two urine inlet holes (i.e. a first urine inlet hole 11 and a second urine inlet hole 12), and a guide wire outlet hole 13; the catheter body 10 is a hollow cylindrical tubular structure, and the diameter of the catheter body 10 may be F14, F16, F18, F20, F22, F24, etc. (F14 ═ 4.7mm, F16 ═ 5.3mm, F18 ═ 6.0mm, F20 ═ 6.7mm, F22 ═ 7.3mm, F24 ═ 8.0 mm). Balloon water injection pipeline 2, urination pipeline 8, seal wire passageway 7 and wash water pipe way 9 are hollow tubular structure, and all gather in the outer end of urine pipe main part 10 to wear to locate the inside of urine pipe main part 10 respectively, balloon water injection pipeline 2, urination pipeline 8 and wash water pipe way 9's size can match according to urine pipe main part 10 size, and the pipeline diameter of seal wire passageway 7 can be F5 ═ 1.67 mm. Wherein, the balloon water injection pipeline 2, the urination pipeline 8 and the flushing pipeline 9 are sequentially arranged and converged at the outer port of the ureter main body 10, and the joints of the four pipelines are positioned on the same plane; the outer end of the guide wire channel 7 is provided with a sealing cap 6 which is hermetically connected with the guide wire channel, the sealing cap 6 is made of elastic rubber material, and the middle of the sealing cap is provided with a small hole; when the guide wire channel 7 is connected with the ureter body 10, a certain angle is formed between the two pipelines, namely, a certain angle is formed between the connection part of the guide wire channel 7 and the front connection plane, and the angle is 30-90 degrees.

A guide wire outlet hole 13 is arranged at the ventral side of the end port of the inner end of the ureter body 10 (preferably, the guide wire outlet hole and the inner end port of the ureter body 10 are the same port), and the guide wire outlet hole 13 is connected with the inner end of the guide wire channel 7. A first urine inlet hole 11 and a second urine inlet hole 12 are respectively arranged on the left side and the right side of the position, 1.5cm-2.5cm (preferably 2cm), away from the tail end, of the urinary catheter main body 10, the first urine inlet hole 11 and the second urine inlet hole 12 are both oval, the diameter of each urine inlet hole is about 5mm, the first urine inlet hole 11 is connected with the inner end of the urination pipeline 8, the second urine inlet hole 12 is connected with the inner end of the flushing pipeline 9, the first urine inlet hole 11 is communicated with the second urine inlet hole 12, and water/urine inlet and outlet amount can be increased; the urine outlet 4 is arranged at the outer end of the urine drainage pipeline 8, the flushing port 5 is arranged at the outer end of the flushing pipeline 9, and the flushing pipeline 9 can be externally connected with a water bag for inward flushing so as to keep the first urine inlet hole 11 and the second urine inlet hole 12 smooth and prevent blood clots and the like from blocking the urine inlets. The sacculus valve 1 is arranged at the port of the external end of the sacculus water injection pipeline 2 and is used for controlling the start and stop of the sacculus water injection and further controlling the water injection amount and the water injection degree. A balloon 3 is arranged at the position of the urinary catheter main body 10, which is 3cm-5cm (preferably 4cm) away from the port of the inner end of the urinary catheter main body 10, the urinary catheter main body 10 is wrapped by the balloon 3 in a circular shape, the diameter of the balloon 3 is about 1cm when the balloon is circular, and the diameter of the balloon 3 perpendicular to the direction of the catheter is about 1cm when the balloon 3 is oval; the sacculus 3 is communicated with the inner end of the sacculus water injection pipeline 2.

The sealing cap 6 is used for sealing the opening of the guide wire channel 7, preventing urine in the bladder from flowing out when the guide wire is inserted, and simultaneously playing a role in fixing the guide wire. The diameter of the guide wire channel 7 is matched with that of the guide wire, namely the diameter cannot be too large or too small, so that the guide wire can be favorably guided to the guide wire outlet hole 13. The shape of the guide wire outlet hole 13 is oval, and the guide wire outlet hole is positioned on the ventral side of the tail end of the ureter main body 10, the oval hole is favorable for the guide wire to come out, and the guide wire is more favorable for guiding the ureter when coming out from the ventral side.

Ureter main part 10, seal wire channel 7, urination pipeline 8 and wash pipe 9 are soft rubber materials, and ureter main part 10, seal wire channel 7, the inside and outside smooth surface of urination pipeline 8 and wash pipe 9, can adopt high-grade material to make, for example polyamide rubber material, have the water and become smooth effect, sacculus 3 also is rubber materials, nevertheless it is good to require elasticity, seal wire 14 is the rigidity material, and one end has the compliance, and whole seal wire skin package has thin layer rubber materials, rubber materials has the water and becomes smooth effect, and then guarantee the long service life of whole catheter, the surface is smooth, prevent internal surface friction, influence rivers, prevent skin and the wound of external surface friction patient.

Fig. 2 is a diagram illustrating use of a medical guidable urinary catheter according to an embodiment of the present invention. As shown in fig. 2, when the urinary catheter is guided for use, the guide wire 14 is inserted into the bladder from the urethra in advance, then the guide wire 14 is inserted into the guide wire outlet 13 which can guide the urinary catheter, and the urinary catheter main body 10 is pushed in along the guide wire 14 along the guide wire channel 7 to the sealing cap 6 until the urine flows out from the urine outlet 4. Injecting about 15-20ml of normal saline into the balloon 3 from the balloon valve 1, inflating the balloon 3 to fix the ureter body 10, and finally pulling out the guide wire 14 from the sealing cap 6. If the guidable catheter needs to be replaced, the guide wire is only required to be inserted from the sealing cap 6 and extends to the guide wire outlet hole 13 along the guide wire channel 7, then the guidable catheter is pulled out, and the step of inserting a new guidable catheter is as above, the step of guiding the guide wire is that the insertion of the urinary catheter is more convenient and safer.

The utility model is suitable for a factor such as traumatism, prostate electrocision, prostatic cancer radical operation arouses the patient that urethra anatomical structure changed, has improved the success rate and the efficiency of inserting the ureter, has solved the damage problem of inserting the ureter many times to the urethra.

In the present application, "in vivo" and "in vitro" refer to the directions of the catheter during operation, the in vivo end refers to the end inserted into the human body, and the in vitro end refers to the end remaining outside the body.

The medical guidable urinary catheter provided by the embodiment of the application is described in detail above. The above description of the embodiments is only for the purpose of helping to understand the method of the present application and its core ideas; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

As used in the specification and claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims

1. A medical guidable catheter is characterized by comprising a catheter main body, wherein the catheter main body is in a hollow cylindrical tubular shape; a guide wire channel, a urination pipeline, a flushing pipeline and a balloon water injection pipeline are arranged in the ureter main body in a penetrating manner;

2. The medical guidable catheter as set forth in claim 1, wherein said guidewire exit hole is oval shaped and is located ventrally of the port.

3. The medical guidable urinary catheter as claimed in claim 2, wherein the outer end of the guide wire channel is provided with a sealing cap which is connected with the guide wire channel in a sealing way, and the middle of the sealing cap is provided with a small hole for the guide wire to pass through.

4. The medical guidable catheter as set forth in claim 1, wherein said urine inlet holes are two and both of which are oval; the two urine inlet holes are respectively arranged at two sides of the urine tube main body.

5. The medical guidable urinary catheter as claimed in claim 1, wherein the balloon water injection pipeline is provided at an external end thereof with a balloon valve for controlling the start and stop of water injection.

6. The medical guidable catheter as set forth in claim 1, wherein said balloon is circular or elliptical.

7. The medical guidable catheter according to any one of claims 1 to 6, wherein said guide wire channel, said urination conduit, said flushing conduit, said balloon and said balloon water injection conduit are all made of a water-slippery flexible material, and said balloon material has elasticity.

8. The medical guidable catheter as set forth in claim 1, wherein a distance between said urine inlet hole and said guidewire exit hole is from 1.5cm to 2.5 cm; the distance between the balloon and the guide wire outlet hole is 3cm-5 cm.

9. The medical guidable catheter as set forth in claim 7, wherein said guide wire channel, said urination conduit, said flush conduit, and said balloon water injection conduit are made of a polyamide rubber material.

10. The medical guidable catheter as set forth in claim 6, wherein a conduit diameter of said guide wire channel is 1.67 mm; the diameter of the saccule perpendicular to the direction of the catheter is 1 cm.