Multi-position ratchet mechanism

• Main Authors: AMARAL, JOHN J, CABRERA, RENE J, BOOKWALTER, JOHN R, AMARAL, FRANCISCO A
• Format: Patent
• Language: English
• Published: 30.11.1998
• Edition: 6
• Subjects: CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BYMECHANICAL FEATURES ONLY; CONTROLLING; DIAGNOSIS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; PHYSICS; REGULATING; SURGERY

A multi-position ratchet mechanism for holding a surgical retractor blade (18) which permits a retractor blade to be rotated into the wound and retracted at the same time to duplicate the natural "toe-in" method of retraction achieved with the hand. The ratchet mechanism includes a ratchet...