FIELD: medicine; oncology.
SUBSTANCE: puncture biopsy device contains a rod and tubular case. The core is coaxial within the tubular case. Distal end of the case is helically split. The helix coils form helical channel and gaps for biopsy material collection. The rod is made of metal, rigidly connected to the tubular case and provided with the pointed end outside of distal end of the body. Helically split distal end with coils forming the helical channel is fixed on the tubular case.
EFFECT: simplified design of puncture biopsy device and reduced injury rate.
2 dwg
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