FIELD: medical equipment.
SUBSTANCE: present invention relates to spiral needles for soft tissue biopsy. Needle consists of puncture rod (1) and a rod for sampling (2), as well as a handle for fixing two rods (3). Rod for sampling (2) includes spiral rod (21) for fixation in place of sampling and cutting rod (22) for cutting tissue sample. Spiral rod (21) has a hollow structure, on the outer side of the rod there is cutting rod (22), the inner part of which is in tight contact with spiral rod (21). Front part of spiral rod (21) has spring-spiral tube (211), front part of cutting rod (22) has cutting blade (221).
EFFECT: present invention, needle for soft tissue biopsy, could increase percentage of successful sampling of tissue with single fence and dosed sampling; at the same time, multi-point continuous sampling of tissues became possible, the coefficient of successful sampling of comparatively large tissue samples or small tumor, as well as complete removal of tumor of small size by means of end cutter (9).
8 cl, 32 dwg
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