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US 4,380,794 AGranted
Surgical lamp characterized by having an improved reflector
AssigneeSybron Corporation
InventorAlfred C. Lawson
Life of this patent
Estimating the term…
Abstract
A surgical lamp includes a thermoplastic reflector which reflects visible light but passes infrared radiation. The reflector is fabricated from molded polyetherimide plastic resin. A dichroic coating is vacuum deposit directly upon the front surface of the reflector.
Claims1
An improved surgical lamp of the type having a broad spectrum light source which emits ultraviolet, visible and infrared light and a reflector, wherein the improvement is comprised of:
- (a) a reflector blank molded from polyetherimide resin;
- and
- (b) a dichroic coating deposited directly upon the front surface of said reflector blank for reflecting visible light while passing infrared light.
Dependencies are inferred from the claim text.