Patent ID: 8951208
Filing Date: 2015-02-10
Classification: A61B

Abstract:
1. A biopsy device, comprising: a housing; a biopsy needle configured to project from the housing, the biopsy needle having a first cylindrical member that defines a sample chamber and a side port that opens to the sample chamber, and a second cylindrical member that has a side opening that defines a longitudinally oriented cutting edge, the first cylindrical member and the second cylindrical member being rotatable relative to each other; a pump coupled to the biopsy needle, the pump configured to generate one of a vacuum and a pressure in the sample chamber; a prime mover; a first transmission configured to be driven by the prime mover to operate the pump; a second transmission configured to be driven by prime mover, the second transmission being configured to rotate at least one of first cylindrical member and the second cylindrical member of the biopsy needle to sever tissue with the longitudinally oriented cutting edge.