Importance

Loading Importance Indicators...

Abstract

A pulse oximetry sensor is constructed using ribbon cable as a substrate for component mounting and interconnection as well as for forming a patient cable connector. The ribbon cable is constructed of multiple conductors spaced apart within an insulation layer and is advantageously cut to length to form a substrate for a particular type of sensor, such as a neonatal, pediatric or adult sensor. A detector is attached to a pair of conductors at a component end of the substrate, after insulation is stripped from the conductor tips. Another pair of conductors is cut to a length between the substrate ends. An emitter is attached to the shortened conductors after insulation is stripped from the conductor tips. Insulation is also stripped from the conductor tips at a connector end of the substrate. Pins are attached to each of these tips, and the pins are used to form a patient cable connector. The assembled substrate is mounted to an adhesive tape that is configured to removably attach the sensor to a patient so that the emitter transmits light into a tissue portion of the patient and the detector correspondingly receives emitted light that is not absorbed by the tissue. The ribbon cable may have one or more conductive layers with embedded conductors for electrical noise shielding, particularly at the detector.

Loading the Abstract Image...

First Claim