Tension retaining device for surgical procedures

Details Tension retaining device for surgical procedures Tension retaining device for surgical procedures

1985-12-23

1987-01-06

Makay, Albert J.

Surgery

Truss

Pad

128321, 128346, A61B 1700

Patent

active

046338691

ABSTRACT:
The device includes a pair of rollers through oppositely disposed notches through the wall of a tubular section to engage opposite sides of the shaft of a surgical instrument that is through the bore of the tubular section. The tubular section is slideable in a sleeve element and the ends of the rollers are rotatably received in the respective slots of two pairs of slots in the walls of the sleeve element. A pad removably mounted on one end of the sleeve element has a central opening for the instrument shaft to pass through. The pairs of slots converge in the direction of the end of the sleeve element on which the pad is mounted to a distance apart not less than the distance between the bottoms of the notches in the tubular section. Releasable spring means urge the rollers toward the converging ends of the pairs of slots so that the shaft of the instrument may be drawn out through the device in the direction in which the slot pairs diverge, but not in the opposite direction in which they converge, unless the spring means releases it. The device is used in combination with a surgical instrument for procedures in which the instrument engages material within a body and is drawn out to stretch the material outward under tension. The device grips the instrument to retain the tension until the release mechanism is actuated.

REFERENCES:
patent: 2397823 (1946-04-01), Walter
patent: 3452740 (1969-07-01), Muller
patent: 3822697 (1974-07-01), Komiya
patent: 3877433 (1975-04-01), Librach

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