Medical curved needle puncture method based on 3D printing navigation template

Abstract

The invention discloses a medical curved needle in the technical field of medical treatment. The needle comprises a needle rod and a needle core, a needle rod cap is integrally connected to the top ofthe needle rod, the circumferential inner wall of the needle rod makes contact with the needle core, and a needle core cap is integrally connected to the top of the needle core. According to a medical curved needle puncture method based on a 3D printing navigation template, a needle passage path can effectively avoid some important organs or tissue, the needle tip can reach the target lesion smoothly, and then the limitation of straight needle puncture is overcome; the needle passage offset probability in the curved needle puncture process can be greatly lowered, by means of a 3D printing navigation template technology, the technical defects of curved needle puncture are overcome, the needle passage offset probability is greatly lowered, the puncture accuracy is improved, the operation convenience is improved, the curved needle puncture has high feasibility in clinical practice, thus the limitation of straight needle puncture is solved, and the application range of medical puncture isincreased; the frequency of repeated image scanning in an operation is reduced, and the contact time of ionizing radiation is shortened.

Description

Technical field [0001] The invention relates to the field of medical technology, in particular to a medical curved needle puncture method based on a 3D printing navigation template. Background technique [0002] A puncture needle is a medical device widely used in clinical practice. It is mainly used for acupuncture biopsy, particle implantation, drug injection and other clinical operations for target lesions with a certain depth relative to the body surface. In order to be suitable for these different purposes of clinical operations, and for various lesions of different depths and properties, there are currently a variety of different shapes, different specifications, and different brands of puncture needles to choose from. However, these puncture needles almost have one common feature. They are all straight needles, that is, the needle shaft of the puncture needle is straight, and the needle path of the needle in the body is also straight. At present, curved needles are hardly ...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a medical curved needle puncture method based on a 3D printed navigation template, so as to solve the problem that the position of the target lesion proposed in the above background technology is relatively remote, there is an important organ in front of it, or there is a specific direction of needle insertion. When puncturing with straight needles, the puncture is greatly restricted, which may lead to the shortcomings of the designed straight needle track path with too large inclination angle and too long path, which increases the difficulty of actual operation.

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