CN200984195Y - Biopsy needle - Google Patents

Abstract

The utility model discloses a biopsy needle, which belongs to biopsy appliances technical field. The utility model comprises a sleeve puncture needle and a biopsy needle core, and is characterized in that the puncture end of the biopsy needle core is of a sawtooth shape, and the handle of the biopsy needle core and the sleeve puncture needle has a screw thread. The utility model has the advantages of a novel design, a simple structure, convenient use, and that sampling of living tissue is easy because the puncture end of the needle core is in a shape of the sawtooth, the holding is reliable without easy slip because of the screw thread structure of the holding end of the autopsy needle core and the sleeve puncture needle. The utility model can be widely used for autopsy sampling for the living tissue, especially for sampling the bone autopsy tissue.

Description

A kind of biopsy needle

Technical field this utility model belongs to biological tissue biopsy instrument technical field, is specifically related to a kind of biopsy needle that is used for obtaining biological tissue.

The biopsy needle of background technology prior art is made up of sleeve pipe puncture needle and biopsy nook closing member; The cutting tip of biopsy nook closing member is the pointed cone smooth structure, and the handheld terminal of biopsy nook closing member and sleeve pipe puncture needle is the cylinder smooth structure.The biopsy needle of this termination structure, the one, the amount of obtaining biological tissue is few, and the 2nd, hand-held not firm easy slip, the difficulty of especially obtaining biological tissue in the bone biopsy is bigger.

The summary of the invention the purpose of this utility model provide a kind of hand-held firm, obtain biological tissue and be easy to biopsy needle.

To achieve these goals, this utility model biopsy needle, it is made up of sleeve pipe puncture needle and biopsy nook closing member; Its main points are cutting tip indentation structures of biopsy nook closing member, and the handheld terminal of biopsy nook closing member and sleeve pipe puncture needle is the rib-loop structure.

This utility model modern design, simple structure, easy to use are easier to because the cutting tip indentation of biopsy nook closing member obtains the biological tissue ratio, and the handheld terminal of biopsy nook closing member and sleeve pipe puncture needle is the rib-loop structure makes the hand-held firm slippage that is difficult for.This utility model can be widely used in biological tissue biopsy sampling, is particularly suitable for being used for obtaining the bone biopsy in the bone biopsy.

Appended drawings is this utility model structural representation.

1 is biopsy nook closing member end among the specific embodiment figure, and with reference to the accompanying drawings, it is made up of this utility model sleeve pipe puncture needle 4 and biopsy nook closing member 5; The cutting tip 6 indentation structures of biopsy nook closing member 5, the handheld terminal 2,3 of biopsy nook closing member 5 and sleeve pipe puncture needle 4 is the rib-loop structure.

Claims (1)

1, a kind of biopsy needle, it is made up of sleeve pipe puncture needle and biopsy nook closing member; It is characterized in that the cutting tip indentation structure of biopsy nook closing member, the handheld terminal of biopsy nook closing member and sleeve pipe puncture needle is the rib-loop structure.

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