Beds – Invalid bed or surgical support – Vertically movable support for whole body of user
Reexamination Certificate
2005-08-24
2008-08-19
Trettel, Michael (Department: 3673)
Beds
Invalid bed or surgical support
Vertically movable support for whole body of user
C005S617000, C005S618000, C005S614000
Reexamination Certificate
active
07412735
ABSTRACT:
A patient support apparatus includes a base, a litter frame, and an elevation mechanism interconnecting the base to the litter frame and being configured to effect changes in elevation of the litter frame relative to the base. The elevation mechanism includes a pair of hydraulic actuators, each actuator covered by a telescoping shroud. The telescoping shroud is connected to the base and to the litter frame by a number of biased catches. The litter frame includes a pair of laterally spaced and longitudinally extending support rails and a plurality of laterally extending support rails interconnecting the longitudinally extending support rails so that the litter frame has a rectangular configuration. The litter frame includes a thigh section configured to be raised and lowered by use of one of a manually pumped hydraulic actuator or a gas-spring assisted lever actuator.
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The commonly owned, co-pending U.S. Appl. No. 11/388,459, filed on Mar. 24, 2006, by Applicants Richard L. McDaniel et al., entitled Articulated Surface for a Stretcher or Gurney.
Stryker Medical “Gynnie OB/GYN Stretcher” Brochure depicting a stretcher on sale for more than one year prior to the filing of this application.
Childs William D.
McDaniel Richard L.
Patmore Kevin
Petrowski Michael J.
Shiery Jeffrey C.
Stryker Corporation
Trettel Michael
Van Dyke Gardner, Linn & Burkhart, LLP
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