Surgical table hydraulic system

Details Surgical table hydraulic system Surgical table hydraulic system

1978-04-21

1980-04-01

Watson, Robert C.

Work holders

Miscellaneous

A61G 1300

Patent

active

041958292

ABSTRACT:
The disclosed surgical table hydraulic system uses a plurality of double acting hydraulic motors, such as double-ended hydraulic cylinders or reversible rotary hydraulic motors, that can be operated either independently or in synchronization. Each of the motors can be connected to a source of pressurized hydraulic fluid, and to a reservoir, for independent action. At least some of the motors can also be connected in a hydraulic series between the hydraulic fluid supply and the reservoir for synchronous operation. In this way, separate elements of the table, controlled by the individual hydraulic motors, can be moved in unison. Also, by operating two motors that control different types of motion, such as elevation of a table and tilting about a horizontal axis, compound motions of one or more sections of the table can be provided.

REFERENCES:
patent: 3206188 (1965-09-01), Douglass
patent: 3302022 (1967-01-01), Brenner et al.
patent: 3411766 (1968-11-01), Lanigan
patent: 3680878 (1972-08-01), Beck
patent: 3713296 (1973-01-01), Black
patent: 3724003 (1973-04-01), Ellwanger et al.
patent: 3868103 (1975-02-01), Pageot et al.
patent: 3900906 (1975-08-01), Berthelsen
patent: 3977664 (1976-08-01), Mitchell et al.
patent: 3982741 (1976-09-01), Mitchell et al.

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