Medical catheter

Abstract

The invention relates to a medical catheter. The medical catheter comprises a needle body, a needle handle, a bend and a needle core; the bend is arranged at the root of the needle body; the needle core is arranged in the bend; a pull handle is arranged at the front end of the needle core, and depth marks are arranged on the needle body. The medical catheter is simple in structure; when interventional therapy is carried out on a patient, blood can be prevented from flowing out, and the work difficulty of a medical worker is reduced. The multiple scale marks are further arranged and are divided into thick rings and thin rings; the space of the thin rings is small, so that the depth distance is conveniently and accurately mastered; the space of the thick rings is large, the total insertion depth is conveniently and rapidly identified, and operation is convenient, rapid and accurate.

Description

technical field [0001] The invention relates to a medical catheter. Background technique [0002] At present, clinically, when performing interventional therapy on patients, the puncture needle is generally inserted into the blood vessel, the needle core is taken out, and the guide wire is passed through the puncture needle into the blood vessel, which will cause a large amount of blood to flow out, thereby contaminating the operation surface and even affecting the success of the operation. The rate has increased the great difficulty of work for the medical staff. On the other hand, the insertion depth of the interventional catheter is very important. If it is too deep or too shallow, it will affect the surgical treatment. However, the catheter in the prior art generally only has a depth mark. Doctors have to rely on experience to grasp the insertion depth of the catheter, and there is a large error. In order to overcome this problem, some inventors have proposed the techno...

AI Technical Summary

Problems solved by technology

[0002] At present, clinically, when performing interventional therapy on patients, the puncture needle is generally inserted into the blood vessel, the needle core is taken out, and the guide wire is passed through the puncture needle into the blood vessel, which will cause a large amount of blood to flow out, thereby contaminating the operation surface and even affecting the success of the operation. rate, which adds great difficulty to the medical staff

On the other hand, the insertion depth of the interventional catheter is very important. If it is too deep or too shallow, it will affect the surgical treatment. However, the existing catheter generally has only one depth mark. Doctors have to rely on experience to grasp the insertion depth of the catheter, and the error is large.

In order to overcome this problem, some inventors have proposed the technology of setting multiple scale marks on the surface of the catheter so as to accurately grasp the insertion depth of the catheter, but there are still shortcomings: the scale marks on the catheter are uniform and there is no difference in size and shape, and the operator is easily confused , need to be carefully identified, affecting the speed of intubation

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