Electric heating – Heating devices – Combined with diverse-type art device
Reexamination Certificate
2005-08-23
2005-08-23
Walberg, Teresa J. (Department: 3742)
Electric heating
Heating devices
Combined with diverse-type art device
C219S528000, C219S549000
Reexamination Certificate
active
06933469
ABSTRACT:
Personal warming systems and apparatuses for use in hospitals and other settings. In one embodiment, a heating mattress or pad for warming a patient during a hospital procedure can include a heating element positioned between a first foam portion and a second foam portion. The heating element and the foam portions can be at least partially enclosed in a fluid-resistant cover. The heating element can be operably connected to a control unit that allows an operator to select between a plurality of temperature options for the heating pad. In another embodiment, the heating pad can include one or more radiolucent, or at least generally radiolucent, features that will not appreciably obscure x-ray images taken of a patient positioned on the heating pad. In one aspect of this embodiment, the radiolucent features can include one or more of a carbon-based heating element, an optical temperature sensing device, and/or a thermally responsive state-changing device.
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Ellis Kent D.
Siegner Kenneth S.
Wilkerson Jack
Wyatt Charles C.
American HealthCare Products, Inc.
Perkins Coie LLP
Walberg Teresa J.
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