CN215608667U

CN215608667U - Radiography catheter

Info

Publication number: CN215608667U
Application number: CN202120287780.8U
Authority: CN
Inventors: 王芳; 唐婷; 邓丽; 孟珊; 蒋承芳
Original assignee: First Affiliated Hospital of Army Medical University
Current assignee: First Affiliated Hospital of Army Medical University
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2022-01-25
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a contrast catheter, comprising: the catheter is internally provided with a liquid injection radiography tube and a medium input tube which are combined and fixed in the catheter in parallel; the left end of the liquid injection radiography pipe is arranged as a blind end, and a liquid outlet is formed in the side surface of the liquid injection radiography pipe; one end of the sleeve close to the liquid outlet is hermetically sleeved with an expandable and contractible bag sleeve, one end of the bag sleeve far away from the sleeve is hermetically sleeved on the guide pipe, and the part of the medium input pipe in the bag sleeve is provided with a medium outlet; the medium input pipe is provided with a medium inlet at one end far away from the capsule sleeve, and the medium input pipe is provided with a one-way valve for enabling the medium for inflating the capsule sleeve to flow in and an outlet for discharging the medium. The problem of among the relevant art because the diameter of guide sleeve pipe is obviously greater than the radiography pipe, consequently cause the patient discomfort easily at the in-process of inserting, influence patient experience is solved to this application.

Description

Radiography catheter

Technical Field

The utility model relates to the field of medical equipment, in particular to a radiography catheter.

Background

When the gynecological uterus disease examination is carried out, a common catheter is generally inserted into the uterus, and the catheter is too soft, low in strength, difficult to operate, difficult to insert into the uterus, easy to slip outwards and easy to damage the vaginal wall and the uterine wall. Therefore, for the convenience of insertion and operation, a guide sleeve with a slightly hard texture is arranged on the periphery of the uterine angiography catheter, and the diameter of the guide sleeve is obviously larger than that of the angiography catheter, so that discomfort is easily caused to a patient in the insertion process, and the experience of the patient is influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a contrast catheter, which aims to solve the problems that in the related art, as the diameter of a guide sleeve is obviously larger than that of the contrast catheter, the patient is easy to be uncomfortable in the insertion process, and the patient experience is influenced.

To solve the above problem, the present embodiment provides a contrast catheter, including: the catheter is fixedly sleeved in the sleeve, a liquid injection radiography pipe and a medium input pipe are arranged in the catheter, and the liquid injection radiography pipe and the medium input pipe are combined and fixed in the catheter in parallel; the left end of the liquid injection radiography pipe is arranged as a blind end, and a liquid outlet is formed in the side surface of the liquid injection radiography pipe; one end of the sleeve close to the liquid outlet is hermetically sleeved with an expandable and contractible bag sleeve, one end of the bag sleeve far away from the sleeve is hermetically sleeved on the guide pipe, and a medium outlet is formed in the part of the medium input pipe located in the bag sleeve; the medium input pipe is provided with a medium inlet at one end far away from the bag sleeve, and the medium input pipe is provided with a one-way valve for enabling the medium expanded by the bag sleeve to flow in and an outlet for discharging the medium.

Preferably, the cuff has a first expanded position having a diameter greater than the outer diameter of the sleeve.

Preferably, the bag sleeve is formed by a first expansion part and a second expansion part together, the first expansion part is positioned in the middle of the bag sleeve, the second expansion part is positioned on two sides of the bag sleeve, and the first expansion part and the second expansion part are integrally formed; the thickness of the first expansion portion is smaller than that of the second expansion portion.

Preferably, the end of the liquid injection radiography pipe far away from the liquid outlet is provided with a gate valve and an airplane head liquid injection port.

Preferably, the catheter, the liquid injection contrast tube and the medium input tube are all made of PVC nano materials.

Preferably, the one end that the liquid outlet was pressed close to the pipe can be dismantled the cover and be equipped with the protective sheath, the protective sheath covers the liquid outlet.

Preferably, the outer side of the protective sleeve is provided with a plurality of anti-slip grooves.

The utility model has the beneficial effects that:

before use, the medium input device can be used for filling the medium into the medium input tube, the medium enters the balloon sheath to enable the balloon sheath to expand to a certain degree, the expanded diameter of the balloon sheath is larger than that of the sleeve, then the sleeve and the catheter are inserted into the uterus together, and due to the fact that the diameter of the expanded balloon sheath is larger than that of the sleeve and the texture of the balloon sheath is soft, discomfort can not be brought to a patient, and the use comfort of the patient is improved. The problem of in the correlation technique because the diameter of guide sleeve pipe is obviously greater than the contrast pipe, therefore cause patient's discomfort easily in the process of inserting, influence patient's experience is solved.

Drawings

In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic view of a bladder sleeve in a first expanded position according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a cuff in a second expanded position in accordance with an embodiment of the present invention;

in the figure, a liquid injection radiography pipe 1, a medium input pipe 2, a sleeve 3, a medium outlet 4, a bag sleeve 5, a first expansion part 51, a second expansion part 52, a catheter 6, a protective sleeve 7, a liquid outlet 8, a airplane head liquid injection port 9, a gate valve 10, a check valve 11 and an outlet 12.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the utility model pertains.

As shown in fig. 1 to 2, the present embodiment provides a contrast catheter 6 including: the device comprises a sleeve 3 and a conduit 6 fixedly sleeved in the sleeve 3, wherein a liquid injection radiography tube 1 and a medium input tube 2 are arranged in the conduit 6, and the liquid injection radiography tube 1 and the medium input tube are combined and fixed in the conduit 6 in parallel; the left end of the liquid injection radiography pipe 1 is arranged as a blind end, and a liquid outlet 8 is arranged on the side surface of the liquid injection radiography pipe 1; one end of the sleeve 3 close to the liquid outlet 8 is hermetically sleeved with an expandable and contractible bag sleeve 5, one end of the bag sleeve 5 far away from the sleeve 3 is hermetically sleeved on the guide pipe 6, and the part of the medium input pipe 2 positioned in the bag sleeve 5 is provided with a medium outlet 4; the medium input pipe 2 is provided with a medium inlet at one end far away from the capsule sleeve 5, the medium input pipe 2 is provided with a one-way valve 11 for enabling the medium expanded by the capsule sleeve 5 to flow in and an outlet 12 for discharging the medium, and the outlet 12 is provided with a plugging piece.

In this embodiment, the sleeve 3, the conduit 6, the liquid injection radiography tube 1 and the medium input tube 2 are all round tubes, the liquid injection radiography tube 1 and the medium input tube 2 are fixed in the conduit 6 in parallel, and in order to reduce the diameter of the conduit 6, the liquid injection radiography tube 1 is tangent to the conduit 6 and the medium input tube 2, and the medium input tube 2 is tangent to the conduit 6. The left end of the liquid injection contrast tube 1 is set as a blind end, so that the opening of the liquid injection contrast tube is not arranged at the end part, the patient is prevented from being damaged in the using process, and the opening, namely the liquid outlet 8, of the liquid injection contrast tube is arranged on the side surface of the liquid injection contrast tube 1 and used for outputting contrast liquid. The first end of the capsule sleeve 5 is sleeved on the sleeve 3 and sealed, the second end is sleeved on the catheter 6 and sealed, an expansion space is arranged between the two ends of the capsule sleeve 5, the medium outlet 4 of the medium input tube 2 is arranged in the expansion space and is communicated with the expansion space, the medium outlet 4 can be arranged on the medium input tube 2 in a ring shape, medical personnel can fill the medium into the medium input tube 2 through the medium input device, as the capsule sleeve 5 has a first expansion position, the diameter of the first expansion position is larger than the outer diameter of the sleeve 3, the capsule sleeve 5 is expanded to a certain degree after the medium enters the capsule sleeve 5, the expanded diameter is larger than the diameter of the sleeve 3, then the sleeve 3 and the catheter 6 are inserted into the uterus together, as the diameter of the capsule sleeve 5 after expansion is larger than the diameter of the sleeve 3, and the capsule sleeve 5 is soft, discomfort can not be brought to the patient, the use comfort of the patient is improved, and the medium can adopt normal saline or air. The embodiment solves the problem that the diameter of the guide sleeve 3 is obviously larger than that of the contrast catheter 6, so that the patient is easily uncomfortable during the insertion process and the experience of the patient is influenced in the related art.

As shown in fig. 1 to 2, the bag cover 5 is formed by a first expansion portion 51 and a second expansion portion 52, the first expansion portion 51 and the second expansion portion 52 are both annular, the first expansion portion 51 is located in the middle of the bag cover 5, the second expansion portion 52 is located on both sides of the bag cover 5, and the first expansion portion 51 and the second expansion portion 52 are integrally formed; the thickness of the first expansion portion 51 is smaller than that of the second expansion portion 52.

Specifically, before inserting into the uterus of the user, the balloon sheath 5 needs to reach the first expansion position, and then the contrast catheter 6 needs to be fixed in the uterus in order to avoid the contrast catheter 6 from slipping off, at this time, the medical staff can continue to input the medium into the balloon sheath 5 to reach the second expansion position, because the first expansion part 51 is located between the two end second expansion parts 52, and the thickness of the first expansion part 51 is smaller than that of the second expansion part 52, under the premise that the second expansion part 52 is already expanded, when the two parts are subjected to the same pressure, the expansion degree of the first expansion part 51 is larger than that of the second expansion part 52, so that the first expansion part 51 is in an annular shape, and then the contrast catheter 6 and the contrast catheter are stably fixed in the uterus, and the fall-off is avoided.

As shown in fig. 1 to 2, a gate valve 10 and an airplane head liquid injection port 9 are arranged at one end of the liquid injection contrast tube 1 far away from the liquid outlet 8. The catheter 6, the liquid injection radiography tube 1 and the medium input tube 2 are all made of PVC nano materials.

Specifically, it should be noted that, in order to avoid the tip of pipe 6 and liquid outlet 8 to receive wearing and tearing in the storage transportation, and lead to the use to have uncomfortable problem, can dismantle the cover at the one end that pipe 6 is close to liquid outlet 8 and be equipped with protective sheath 7, protective sheath 7 covers liquid outlet 8. In order to facilitate the mounting and removal of the protective casing 7, a plurality of anti-slip grooves are provided on the outer side of the protective casing 7.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. A contrast catheter, comprising: the catheter is fixedly sleeved in the sleeve, a liquid injection radiography pipe and a medium input pipe are arranged in the catheter, and the liquid injection radiography pipe and the medium input pipe are combined and fixed in the catheter in parallel;

the left end of the liquid injection radiography pipe is arranged as a blind end, and a liquid outlet is formed in the side surface of the liquid injection radiography pipe;

one end of the sleeve close to the liquid outlet is hermetically sleeved with an expandable and contractible bag sleeve, one end of the bag sleeve far away from the sleeve is hermetically sleeved on the guide pipe, and a medium outlet is formed in the part of the medium input pipe located in the bag sleeve;

the medium input pipe is provided with a medium inlet at one end far away from the bag sleeve, and the medium input pipe is provided with a one-way valve for enabling the medium expanded by the bag sleeve to flow in and an outlet for discharging the medium.

2. The contrast catheter of claim 1, wherein the cuff has a first expanded position having a diameter greater than an outer diameter of the cannula.

3. The angiographic catheter according to claim 2, wherein the balloon cover is formed by a first inflatable portion and a second inflatable portion, the first inflatable portion being located in a middle portion of the balloon cover, the second inflatable portion being located on both sides of the balloon cover, the first inflatable portion and the second inflatable portion being integrally formed;

the thickness of the first expansion portion is smaller than that of the second expansion portion.

4. The angiography catheter of claim 3, wherein the end of the liquid injection angiography catheter away from the liquid outlet is provided with a gate valve and an airplane head liquid injection port.

5. The angiographic catheter according to claim 4, wherein the catheter, the injection angiographic catheter and the medium input tube are all made of PVC nanomaterial.

6. The angiography catheter of claim 1, wherein the end of the catheter proximate to the exit port is detachably sleeved with a protective sheath, and the protective sheath covers the exit port.

7. The angiographic catheter according to claim 6, wherein the protective sleeve is provided with a plurality of anti-slip grooves on the outside.