Abstract: The present invention involves a device for tissue, especially hard tissue, penetration device which incorporated a novel paddle-shaped needle for low friction rotatory penetration of hard tissue and a controlled delivery or extraction system for transfer of material from to device into a tissue site or transfer of material from the tissue site to the device. The delivery system or extraction system includes at least on solenoid or other similar device.
Type:
Grant
Filed:
January 9, 2001
Date of Patent:
March 4, 2003
Assignee:
The Board of Regents of the University of Texas System
Inventors:
Kyriacos A. Athanasiou, George Constantinides, Dan R. Lanctot