Contact lens disinfecting unit

Details Contact lens disinfecting unit Contact lens disinfecting unit

1983-06-21

1986-03-18

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

219439, 219441, 219521, 422300, 422307, A61L 218

Patent

active

045767980

ABSTRACT:
A contact lens disinfecting unit in which the lenses are immersed in a saline solution and heated to a predetermined minimum disinfecting temperature which is maintained for a predetermined period of time. The unit has a heating system which includes a PTC thermistor as a heating element sandwiched between metal heat distribution plates, and this heating system interacts with a manually resettable thermostat to control operation of the unit.

REFERENCES:
patent: 3870858 (1975-03-01), Schimke
patent: 4044226 (1977-08-01), Kadlecik et al.
patent: 4158126 (1979-06-01), Seitz
patent: 4178499 (1979-12-01), Bowen
patent: 4270039 (1981-05-01), Hauser
patent: 4341948 (1982-07-01), Sundstrom et al.
patent: 4341949 (1982-07-01), Steiner et al.
patent: 4379965 (1983-04-01), Dounce et al.

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