Back to results
US 5,517,985 AGranted
Carbon dioxide detector and shield
OwnerGilbert M. Kirk, James D. Bickleyinventors
Life of this patent
Estimating the term…
Abstract
An apparatus (14) for detecting carbon dioxide in exhaled gas is disclosed. The apparatus comprises an indicating element (10) for changing color when exposed to carbon dioxide and a carbon dioxide shield (12) for absorbing a predetermined level of carbon dioxide from the exhaled gas before exposing the indicating element (10) to the exhaled gas.
Claims16
An apparatus for regulating gas inhaled and exhaled from a patient and for detecting carbon dioxide in the exhaled gas, the apparatus comprising:
- an indicating element for changing color when exposed to a predetermined level of carbon dioxide;
- a carbon dioxide shield for absorbing carbon dioxide in the exhaled gas below a threshold level;
- a valve housing having an inlet, an inhalation port, and exhalation port and a valve means for controlling the flow of gas through said apparatus;
- and
- a patient housing, for receiving the exhaled air and for displaying the indicating element.
2 more elements
A resuscitator having a carbon dioxide detector for detecting carbon dioxide in gas exhaled from the patient, comprising:
- an indicating means for changing color when exposed to carbon dioxide;
- a carbon dioxide shield for absorbing carbon dioxide in the exhaled gas below a predetermined concentration;
- a valve housing having an inlet opening, an inhale port and an exhale port;
- a flexible container connected to said inlet opening for supplying gas to a patient;
- a valve means for controlling the flow of gas from the flexible container and through the valve housing;
- and
- an inhale port housing coupled to the inhale port for receiving the exhaled gas and for displaying the indicating means.
4 more elements
Dependencies are inferred from the claim text.