Puncture biopsy needle and method for applying same

Abstract

The invention discloses a puncture biopsy needle and a method for applying the same. The puncture biopsy needle and the method have the advantages that the shortcomings of inconvenience in carrying out hemostasis on biopsy puncture positions and deterioration of the biopsy accuracy due to the fact that that existing biopsy needles are inconvenient to operate during puncture and acquired tissue slices can be easily mixed with tissues of other positions can be overcome by the aid of the puncture biopsy needle and the method; a medicine bag which is in the shape of an annular sheet is arranged onthe inner wall of an outer needle tube and is close to the front end of the outer needle tube, a stay is connected onto the medicine bag, the medicine bag can be torn by the aid of the stay, the stayis connected onto an inner needle and is far away from the front end of the inner needle, and the medicine bag is filled with hemostatic liquid; the puncture biopsy needle is convenient to operate inintegral use procedures, acquired tissue slices can be prevented from being mixed with tissues of other positions, and accordingly the biopsy accuracy can be guaranteed; slice sampling can be carriedout by three slice hook grooves, three portions of slice tissues can be detected, and accordingly the detection accuracy further can be improved; hemostasis can be directly carried out on biopsy puncture positions, and accordingly good hemostasis effects can be realized.

Description

technical field [0001] The present invention relates to a medical device, more specifically, it relates to a biopsy needle for puncture and its use method. Background technique [0002] At present, disposable biopsy needles are suitable for obtaining slices from soft tissues, which is convenient for the detection of tissues in specific parts. When using a biopsy needle for biopsy, the needle is passed through the skin to a certain depth and reaches the site to be biopsied, then the needle is pulled back, and the front end of the needle is taken out of the part of the tissue to be cut for subsequent detection. Now many times when biopsy needles are used for puncture, the operation is inconvenient, and the tissue slices taken out are easily mixed with other tissues, thereby reducing the accuracy of biopsy, and it is inconvenient to stop bleeding at the biopsy puncture site. [0003] Chinese patent announcement number CN200984195Y discloses a biopsy needle, which is composed o...

AI Technical Summary

Problems solved by technology

[0004] The invention overcomes the inconvenient operation when the biopsy needle is punctured, the tissue slices taken out are easily mixed with other parts of the tissue, thereby reducing the accuracy of the biopsy, and the inconvenient hemostasis of the biopsy puncture site, and provides a biopsy needle for puncture and The method of use is easy to operate when the biopsy needle is punctured, and the tissue slices taken out will not be mixed with other parts of the tissue, which ensures the accuracy of the biopsy, and can directly stop bleeding at the biopsy puncture site, which is convenient and has a good hemostatic effect

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