Transrectal prostate biopsy device and method

摘要: An improved biopsy needle suitable for obtaining a core sample from prostate gland. A handle which may be held in the palm of physician's hand is provided with forward extending guide tube. cannula sharpened distal end slidably disposed within tube and movable by thumb tab retracted position to an extended cutting edge extends sampling stylet having sample-collecting slot therein telescopically projects rear handle. knob at proximal permits movement pointed tip slightly end. The physician holding his places index finger guides selected point on gland transrectally. Upon locating desired point, holds instrument steady while other pushes into tissue, sever tissue slot, device then withdrawn sample.