David Spalding Pratt
Physician at Susquehanna Ave, Cooperstown, NY

License number
Colorado 19876
Issued Date
Jan 13, 1976
Renew Date
May 31, 1983
Expiration Date
May 31, 1983
Type
Physician
Address
Address
80 Susquehanna Ave, Cooperstown, NY 13326

Professional information

David Pratt Photo 1

Biopsy Device

US Patent:
4249541, Feb 10, 1981
Filed:
Apr 26, 1979
Appl. No.:
6/033742
Inventors:
David S. Pratt - Cooperstown NY
International Classification:
A61B 1000
US Classification:
128753
Abstract:
A biopsy unit comprising an outer catheter, and an inner aspirator, the catheter including a longitudinally extending hollow flexible housing tube and means for gripping the aspirator, the aspirator including a longitudinally extending hollow flexible aspirating tube adapted to slide longitudinally within the housing tube when not gripped by the gripping means, a connector adapted to be fitted to a suction source and fastened to one end of the aspirating tube, and a hollow needle fastened to the other end of the aspirating tube, the lumen of the needle communicating with the connector through the aspirating tube.