title: A simple ultrasound guide for needle puncture.
abstract: A method of ultrasound directed needle puncture using a clamp and a guide block is described. It eliminates the need for an aspiration biopsy transducer and has proved to be simple, accurate, and inexpensive.
mesh_terms: D001707:Biopsy, Needle / Q000295:instrumentation*; D014465:Ultrasonics / Q000295:instrumentation*