| US 7,451,762 B2 | ||
| Pressure sensing device with test circuit | ||
| James Chua, Bakersfield, Calif. (US); Kyle Adriance, Bakersfield, Calif. (US); and Phuoc H. Vo, El Monte, Calif. (US) | ||
| Assigned to Salter Labs, Arvin, Calif. (US) | ||
| Filed on Jun. 17, 2005, as Appl. No. 11/155,902. | ||
| Prior Publication US 2006/0283446 A1, Dec. 21, 2006 | ||
| Int. Cl. A61M 16/00 (2006.01) | ||
| U.S. Cl. 128—204.23 | 20 Claims |
| 1. A pressure sensing device adapted for coupling to a cannula and receiving respiratory breathing information from a patient
to be monitored, the pressure sensing device comprising:
an exterior housing accommodating an input port, and the input port being coupled to the cannula for receiving the respiratory
breathing information from the patient to be monitored;
the exterior housing accommodating a respiratory snore detection circuit for processing the received respiratory breathing
information from the patient and outputting, via a pair of snore electrical leads, a signal indicative of sensed snoring of
the patient;
the exterior housing accommodating a respiratory airflow detection circuit for processing the received respiratory breathing
information from the patient and outputting, via a pair of airflow electrical leads, a signal indicative of sensed airflow
of the patient; and
built-in test circuit for testing an integrity of the airflow electrical leads and the snore electrical leads, prior to use
of the pressure sensing device, to ensure that the airflow and the snore electrical leads are operational.
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