CN211214887U

CN211214887U - Medical catheter

Info

Publication number: CN211214887U
Application number: CN201921249700.9U
Authority: CN
Inventors: 贺学钦; 陈广涛; 周耀昌; 于欢欢; 高飞; 陈小洁
Original assignee: Henan Johnson Minimally Invasive Medical Devices Co ltd
Current assignee: HENAN TUOREN BEISITE MEDICAL DEVICES Co.,Ltd.
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-08-11
Anticipated expiration: 2029-08-02

Abstract

The application discloses medical catheter, including pipe body and development ring, arrange in the development ring in the pipe wall of pipe body. After the medical catheter is inserted into a human body, the developing ring does not directly contact the cavity and blood vessel of the human body, the tissue of the human body cannot be damaged, heavy metal ions cannot be separated out to harm the tissue of the human body, and the sensitization risk is avoided.

Description

Medical catheter

Technical Field

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

Background

In the field of human intervention treatment, a medical catheter is a common medical tool, and at present, a developing ring for marking is arranged on the outer portion of the common medical catheter in a forging and pressing mode.

Because the developing ring is arranged outside the tube body, when the developing ring is implanted into a human body, the developing ring can be directly contacted with human tissues, the tissues can be damaged or risks such as heavy metal ions are separated out, and the health of the human body is damaged.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a medical catheter to avoid the injury to human body.

In order to achieve the above purpose, the utility model provides the following technical scheme:

a medical catheter comprises a catheter body and a developing ring, wherein the developing ring is arranged in the wall of the catheter body.

Preferably, in the above medical catheter, the catheter body includes a catheter main body and a thin-walled tube, the developing ring is forged on the outer side of the tube wall of the catheter main body, the thin-walled tube covers the outside of the developing ring, and the length of the thin-walled tube is greater than or equal to the length of the developing ring.

Preferably, in the medical catheter described above, the outer wall surface of the thin-walled tube is flush with the outer wall surface of the catheter main body.

Preferably, in the above medical catheter, the catheter main body and the thin-walled tube are both in a thermoplastic material structure, and the thin-walled tube and the catheter main body are thermally fused into an integral structure.

Preferably, in the medical catheter described above, the catheter main body and the thin-walled tube are made of the same material.

Preferably, in the medical catheter, the outer diameter of the catheter main body is 1mm to 10mm, and the thickness of the thin-walled tube is 0.02mm to 0.1 mm.

Preferably, in the above medical catheter, the material of the developing ring is platinum iridium alloy, tantalum or gold.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a medical catheter includes pipe body and development ring, and the development ring is intra-annular arranges the pipe wall of pipe body in, consequently, medical catheter intervenes the internal back of human body, and development ring direct contact human body chamber way, blood vessel can not harm human tissue, can not appear heavy metal ion harm human tissue yet, no sensitization risk.

Drawings

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

Fig. 1 is a schematic structural diagram of a catheter main body of a medical catheter according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a forging and pressing developing ring on a catheter main body of a medical catheter according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a medical catheter according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a medical catheter according to an embodiment of the present invention when the thin-walled tube and the catheter main body are thermally fused.

Wherein, 1 is a catheter body, 11 is a catheter main body, 12 is a thin-wall pipe, 2 is a developing ring, and 3 is a heat-shrinkable pipe.

Detailed Description

The core of the utility model is to provide a medical catheter, which avoids the injury to human body.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 3, an embodiment of the present invention provides a medical catheter, which includes a catheter body 1 and a developing ring 2, wherein the developing ring 2 is disposed in a wall of the catheter body 1. Therefore, after the medical catheter is inserted into a human body, the developing ring 2 does not directly contact the cavity and the blood vessel of the human body, the tissue of the human body cannot be damaged, heavy metal ions cannot be separated out to harm the tissue of the human body, and the sensitization risk is avoided.

Specifically, in this embodiment, the catheter body 1 includes a catheter main body 11 and a thin-walled tube 12, the developing ring 2 is forged and pressed on the outer side of the catheter main body 11, the thin-walled tube 12 covers the outside of the developing ring 2, the length of the thin-walled tube 12 is greater than or equal to the length of the developing ring 2, that is, the developing ring 2 completely covers between the thin-walled tube 12 and the catheter main body 11.

Further, in the present embodiment, the outer wall surface of the thin-walled tube 12 is flush with the outer wall surface of the catheter main body 11. Accordingly, when the developing ring 2 is swaged to the outer side of the pipe wall of the pipe body 11, the outer wall of the developing ring 2 is recessed with respect to the outer wall of the pipe body 11, and the wall thickness of the thin-walled pipe 12 is equal to the depth of the recess. So set up, make the surface of pipe body 11 smooth, reduced to cause the injury of scraping to human tissue. Of course, the outer surface of the wall of the thin-walled tube 12 may also be protruded or recessed from the outer surface of the catheter main body 11.

In the present embodiment, the catheter main body 11 and the thin-walled tube 12 are both thermoplastic materials, and the thin-walled tube 12 and the catheter main body 11 are thermally fused into a single structure. The heat fusion mode is specifically as follows: after the thin-wall pipe 12 is coated outside the developing ring 2, the thin-wall pipe 12 and the catheter main body 11 are sleeved with the heat-shrinkable tube 3, the heat-shrinkable tube is placed into hot air equipment for heat-shrinking treatment, and the heat-shrinkable tube 3 retracts at high temperature to be tightly attached to the fused part of the thin-wall pipe 12 and the catheter main body 11, so that the fusion is fastened without damaging the catheter body. And finally, peeling off the heat shrinkable tube 3.

Of course, the thin-walled tube 12 and the catheter main body 11 may also be integrated by bonding or laser welding.

Further, in the present embodiment, the material of the catheter main body 11 is the same as that of the thin-walled tube 12, so as to improve the bonding strength between the catheter main body 11 and the thin-walled tube 12.

In the present embodiment, the outer diameter of the catheter main body 11 is 1mm to 10mm, and the wall thickness of the thin-walled tube 12 is 0.02mm to 0.1 mm. The developing ring 2 is made of platinum-iridium alloy, tantalum or gold.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A medical catheter is characterized by comprising a catheter body and a developing ring, wherein the developing ring is arranged in the wall of the catheter body.

2. The medical catheter of claim 1, wherein the catheter body comprises a catheter main body and a thin-walled tube, the developing ring is forged on the outer side of the wall of the catheter main body, the thin-walled tube covers the outside of the developing ring, and the length of the thin-walled tube is greater than or equal to the length of the developing ring.

3. The medical catheter of claim 2, wherein the tube wall outer surface of the thin walled tube is flush with the tube wall outer surface of the catheter body.

4. The medical catheter of claim 2 or 3, wherein the catheter body and the thin walled tube are both of thermoplastic material construction, the thin walled tube being thermally fused to the catheter body as a unitary structure.

5. The medical catheter of claim 4, wherein the catheter body and the thin walled tube are the same material.

6. The medical catheter of claim 2, wherein the catheter body has an outer diameter of 1mm to 10mm, and the thin-walled tube has a wall thickness of 0.02mm to 0.1 mm.

7. The medical catheter of claim 1, wherein the visualization ring is made of platinum-iridium alloy, tantalum or gold.