Wireless Patient Monitoring

A method to be performed by a receiver connectable to a patient monitor, the method comprising:

• wirelessly receiving electro-cardiogram, ECG, data sensed by an ECG unit and temperature sensor data sensed by a temperature sensor unit;
• generating at least a first signal based on the received ECG data, wherein the at least first signal is configured to emulate at least a first wired connection input signal received by the patient monitor from the ECG unit;
• generating an additional signal based on the temperature sensor data, wherein the additional signal is configured to emulate a wired connection input signal received by the patient monitor from the temperature sensor unit;
• and
• outputting the generated signals to the patient monitor.

A transmitter connectable to an ECG unit and a temperature sensor unit, the transmitter comprising:

• a processor;
• and
• circuitry coupled to the processor, the circuitry configured to:
• receive ECG data from the ECG unit;
• receive temperature sensor data from the temperature sensor unit;
• generate a digitized and packetized signal comprising the ECG and temperature sensor data;
• and
• wirelessly transmit the signal.

A system comprising:

• a receiver connectable to a patient monitor;
• and
• a transmitter connectable to an ECG unit and a temperature sensor unit,
• wherein the receiver comprises:
• a processor;
• and
• circuitry, coupled to the processor, the circuitry configured to:
• wirelessly receive electro-cardiogram, ECG, data sensed by an ECG unit and temperature sensor data sensed by a temperature sensor unit;
• generate at least a first signal based on the received ECG data, wherein the at least first signal is configured to emulate at least a first wired connection input signal received by the patient monitor from the ECG unit;
• generate an additional signal based on the temperature sensor data, wherein the additional signal is configured to emulate a wired connection input signal received by the patient monitor from the temperature sensor unit;
• and
• output the generated signals to the patient monitor;
• and
• wherein the transmitter comprises:
• a processor;
• and
• circuitry coupled to the processor, the circuitry configured to:
• receive ECG data from the ECG unit;
• receive temperature sensor data from the temperature sensor unit;
• generate a digitized and packetized signal comprising the ECG and temperature sensor data;
• and
• wirelessly transmit the signal.

A receiver connectable to a patient monitor, the receiver comprising:

• a processor;
• and
• circuitry coupled to the processor, the circuitry configured to:
• wirelessly receive data based on an output from a pulse oximeter unit, wherein the data comprises:
• a first data set comprising voltage values corresponding to a photodiode current sensed responsive to a first LED of the pulse oximeter unit, and
• a second data set comprising voltage values corresponding to a photodiode current sensed responsive to a second LED of the pulse oximeter unit;
• generate a signal based on the received data, wherein the signal is configured to emulate a wired connection input signal to the patient monitor;
• and
• output the generated signal to the patient monitor.

A method to be performed by a receiver connectable to a patient monitor, the method comprising:

• wirelessly receiving data based on an output from a pulse oximeter unit, wherein the data comprises:
• a first data set comprising voltage values corresponding to a photodiode current sensed responsive to a first LED of the pulse oximeter unit, and
• a second data set comprising voltage values corresponding to a photodiode current sensed responsive to a second LED of the pulse oximeter unit;
• generating a signal based on the received data wherein the signal is configured to emulate a wired connection input signal to the patient monitor;
• and
• outputting the generated signal to the patient monitor.

A transmitter connectable to a pulse oximeter unit, the transmitter comprising:

• a processor;
• and
• circuitry, coupled to the processor, the circuitry configured to:
• receive a photodiode response signal from the pulse oximeter unit;
• generate a first data set comprising voltage values corresponding to a photodiode current sensed responsive to a first LED of the pulse oximeter unit based on the received photodiode response signal and a first LED drive signal;
• generate a second data set comprising voltage values corresponding to a photodiode current sensed responsive to a second LED of the pulse oximeter unit based on the received photodiode response signal and a second LED drive signal;
• generate a digitized and packetized signal comprising the first and second data sets;
• and
• wirelessly transmit the signal.

A system comprising:

• a receiver connectable to a patient monitor;
• and
• a transmitter connectable to a pulse oximeter unit,
• wherein the receiver comprises:
• a processor;
• and
• circuitry coupled to the processor, the circuitry configured to:
• wirelessly receive data based on an output from a pulse oximeter unit, wherein the data comprises:
• a first data set comprising voltage values corresponding to a photodiode current sensed responsive to a first LED of the pulse oximeter unit, and
• a second data set comprising voltage values corresponding to a photodiode current sensed responsive to a second LED of the pulse oximeter unit;
• generate a signal based on the received data, wherein the signal is configured to emulate a wired connection input signal to the patient monitor;
• and
• output the generated signal to the patient monitor, and
• wherein the transmitter comprises:
• a processor;
• and
• circuitry, coupled to the processor, the circuitry configured to:
• receive a photodiode response signal from the pulse oximeter unit;
• generate a first data set comprising voltage values corresponding to a photodiode current sensed responsive to a first LED of the pulse oximeter unit based on the received photodiode response signal and a first LED drive signal;
• generate a second data set comprising voltage values corresponding to a photodiode current sensed responsive to a second LED of the pulse oximeter unit based on the received photodiode response signal and a second LED drive signal;
• generate a digitized and packetized signal comprising the first and second data sets;
• and
• wirelessly transmit the signal.