Patent ID: 8585610

Claim:
A tissue extraction and maceration device, comprising: a housing having proximal and distal ends; an outer tube fixedly coupled to and extending distally from the housing and having a substantially open distal end configured to be placed on a tissue surface; a shaft rotatably disposed within the outer tube and having proximal and distal ends, the shaft being slidably movable relative to the outer tube between a proximal position in which the shaft is fully disposed within the outer tube and a distal position in which a portion of the distal end of the shaft extends beyond the open distal end of the outer tube; a tissue harvesting tip formed on the distal end of the shaft, the tissue harvesting tip having a plurality of cutting teeth configured to excise a tissue sample; and a tissue collection device coupled to the housing and in fluid communication with the outer tube such that tissue excised by the tissue harvesting tip is delivered to the tissue collection device.