See-through anesthesia mask

Details See-through anesthesia mask See-through anesthesia mask

1978-05-19

1980-04-08

Recla, Henry J.

Surgery

Respiratory method or device

Means for preventing electric shock or arcing

A61M 1702

Patent

active

041967275

ABSTRACT:
The disclosure is of improved "see-through" or visibly transparent anesthesia masks providing safety by electrical grounding. The improved masks are positively grounded between patient and anesthetic delivery system and may be moved freely on the face of the patient without interruption of the ground circuit. The improvement comprises, as a ground component for contact between an anatomical portion of a patient on which the mask is fitted and the anesthesia delivery system, an electrically conductive spring, resiliently mounted in the mask interior so as to make positive contact with the patient even if the edges of the mask are momentarily raised from sealing contact with the patient's facial parts.

REFERENCES:
patent: 2666432 (1954-01-01), Stanton
patent: 3721238 (1973-03-01), Wise et al.
patent: 4063913 (1977-12-01), Kippel et al.
patent: 4105732 (1978-08-01), Slingluff

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