Semi-automatic and full-automatic switched percutaneous puncture biopsy needle

A puncture biopsy, fully automatic technology, applied in the direction of trocar, inoculation, ovulation diagnosis, medical science, etc., to achieve the effect of simple operation, reasonable structure, and reduced risk

CN108577900APending Publication Date: 2018-09-28杭州丽康医学科技有限公司

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Patent Information

Authority / Receiving Office: CN · China
Current Assignee / Owner: 杭州丽康医学科技有限公司
Publication Date: 2018-09-28

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Abstract

The invention discloses a semi-automatic and full-automatic switched percutaneous puncture biopsy needle which comprises a needle tube and a needle core and further comprises a handle operation end, wherein the handle operation end comprises an outer shell body, an inner sleeve, an error preventing button, a rear triggering button, a left key and a right key; the inner sleeve is arranged in the outer shell body; the inner sleeve comprises an inner sleeve upper cover, an inner sleeve lower over and an inserted stopping plate; an inner sleeve structure face and a movable assembly are further arranged in the inner sleeve; the movable assembly comprises a needle core seat, a buffer pad, a needle tube seat, a front spring and a rear spring. The semi-automatic and full-automatic switched percutaneous puncture biopsy needle disclosed by the invention has the advantages of reasonable structure and high safety; a user can operate the semi-automatic and full-automatic switched percutaneous puncture biopsy needle by one hand; a semi-automatic mode and a full-automatic mode can be freely switched.

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Description

technical field

[0001] The invention relates to the technical field of medical detection equipment, in particular to a semi-automatic and fully automatic percutaneous puncture biopsy needle. Background technique

[0002] With the continuous development of the medical level, ultrasound-guided fine-needle aspiration cytology biopsy has been more and more used in daily medical treatment in recent years. This method is applied under ultrasonic monitoring, and the target cells of superficial organ tissues are obtained by lifting and inserting for pathological diagnosis, such as breast, thyroid, kidney, liver, lymph nodes, etc. Safe way. Compared with the previous histological biopsy, it has the advantages of less damage, less risk, and equally reliable results. This involves a very important tool - the puncture needle.

[0003] The puncture needles currently used are hollow and extremely thin round tubular structures, with an outer diameter of 14-25G, corresponding to an outer...

Claims

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