A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
21/15
A61L 2/00 (2006.01) A61L 2/24 (2006.01) A61L 12/04 (2006.01)
Patent
CA 1181567
CONTACT LENS DISINFECTING APPARATUS ABSTRACT OF THE DISCLOSURE A contact lens disinfector utilizes a positive temperature coefficient (PTC) element as its heating source. The PTC heater element is held in intimate contact with a heat sink by a spring biasing member which accurately positions and tensions the PTC heater element thereby insuring that sufficient heat is delivered to the carrying case so that proper disinfecting of the contact lenses takes place. BACKGROUND OF THE INVENTION 1. Field of the Invention: The present invention is directed toward contact lens disinfecting apparatus, and more particularly contact lens disinfecting apparatus which feature the of a positive temperature coefficient (PTC) heater element for imparting the proper disinfecting heat to the contact lenses. 2. Description of the Prior Art: Contact lens disinfecting units which are in common use today generally include a lens carrying case that is placed in intimate engagement with a heat dispersing plate. Close proximity to an electrically energized heater provides heat to the plate which in turn heats the contact lens carrying case by conduction and the
394323
Dounce George H.
Moore John A.
Bausch & Lomb Incorporated
Gowling Lafleur Henderson Llp
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