Patent ID: 7844313

Claim:
An adapter configured to connect one noninvasive optical sensor from a variety of possible noninvasive optical sensors to one patient monitor from a variety of possible patient monitors to create a pulse oximetry system, the adapter comprising: a first connector adapter attachable to a monitor; a second connector adapter attachable to a sensor; and a sensor adapter cable coupled between the first connector adapter and the second connector adapter, wherein the sensor adapter cable comprises: a monitor selector that senses a drive configuration or drive levels of the monitor; a sensor selector that determines a light emitting diode configuration; a plurality of adapter elements that modify signals between the monitor and the sensor for compatible operations; a first switching circuit that couples a selected adapter element to the first connector adapter based on outputs from the monitor selector and the sensor selector, wherein the selected adapter element is one of the plurality of adapter elements; and a second switching circuit that couples the selected adapter element to the second connector adapter.