ROBERT ALLAN SWANSON
Pilots at Soledad Rd, La Jolla, CA
License number
California A1865693
Category
Airmen
Type
Authorized Aircraft Instructor
Address
Address
5758 Soledad Rd, La Jolla, CA 92037
Professional information
Patient Controllable Traction Device
US Patent:
4674485, Jun 23, 1987
Filed:
Dec 12, 1985
Appl. No.:
6/740751
Inventors:
Robert E. Swanson - La Jolla CA
International Classification:
A61H 102
US Classification:
128 75
Abstract:
A patient controlled traction device in which a mechanical advantage pulley system is used to multiply the traction applied by a weight and in which a mechanical advantage pulley system is used to enable the patient to relieve the force of the traction by the application of a relatively small force, substantially less than the weight utilized.