Surgery – Instruments – Forceps
Patent
1997-04-03
1999-02-02
Buiz, Michael Powell
Surgery
Instruments
Forceps
606148, A61B 1700
Patent
active
058658351
ABSTRACT:
A forceps having a closed loop defined by the ends of beveled grasping tips attached to a pair of jaws of locking forceps in a closed position, a series of mating serrations on the jaws ending proximate the loop, and having an hourglass shape when viewed in profile. The forceps reduces slippage of the vagus by a raised bevelled ridge on the closed loop facing inward towards the aperture. The oval-shaped and hourglass profiled aperture defined by the closed loop is shaped and sized to permit a surgeon to firmly grasp the vagus nerve, and to elevate it up and out of the incision area, in order to facilitate the remaining procedure. The preferred aperture opening is defined by the loop having a 3 mm transverse inner diameter and 4 mm longitudinal inner diameter. The hourglass profile allows the vagus nerve to rest in a transverse groove of the tip, defining the constriction found in the hourglass profile. The mating serrations, which form a line following the lengthwise extension of the instrument, provide a continuous, firmly closed line behind the loop and define the longitudinal axis of the forceps. The arms of the forceps are approximately 11 centimeters long, thereby providing additional reach necessary in surgical interventions in the lower esophagus and stomach where the vagus is present.
REFERENCES:
patent: 2397823 (1946-04-01), Walter
patent: 2642871 (1953-06-01), Thuerig
patent: 3828791 (1974-08-01), Santos
patent: 4226241 (1980-10-01), Walker, Jr.
patent: 5067958 (1991-11-01), Sandhaus
Instrumentation for the operating room, Shirley M. Brooks, R.N., B.A., St. Louis, 1978, p. 188.
Buiz Michael Powell
Litman Richard C.
Mulcare Nancy
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