Surgical retractor

Details Surgical retractor Surgical retractor

2011-04-26

2011-04-26

Rodriguez, Cris L (Department: 3732)

Surgery

Specula

Retractor

Reexamination Certificate

active

07931591

ABSTRACT:
A surgical retractor includes a pair of parallel arms that are mounted to a toothed crossbar. One of the arms is fixed to one end of the crossbar, while the other arm is movable along the crossbar by means of a pinion. One or both of the arms includes on its upper surface a bar having a longitudinally extending flat surface. A rod is connected to the bar by means of a bracket. The bracket can be locked in position relative to the bar by a first set screw that engages the flat surface. A rod extends through an opening in the bracket and is retained in place there by a second set screw. The rod includes a circumferentially extending shoulder that engages the bracket so as to locate the rod in a desired position. One or more flat surfaces are formed on the rod adjacent the shoulder for engagement by the second set screw. One of the flat surfaces causes the rod to be positioned precisely as necessary to perform a surgical procedure, while the other of the flat surfaces enables the rod to be moved to an out-of-the way position and locked in place there. One or more retractor blades of the wire basket type are connected to the rod by means of universal clamps. The basket portions of the retractor blades are made of a malleable wire that enables the configuration of the blades to be changed by the surgeon as desired.

REFERENCES:
patent: 3574364 (1971-04-01), Langren
patent: 4726356 (1988-02-01), Santilli et al.
patent: 4852552 (1989-08-01), Chaux
patent: 4919118 (1990-04-01), Morris
patent: 4998841 (1991-03-01), Wilde
patent: RE34150 (1992-12-01), Santilli et al.
patent: 6099468 (2000-08-01), Santilli et al.
patent: WO 2004/010859 (2004-02-01), None

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