Measurement system
AssigneeSt. Jude Medical Coordination Center Bvba
InventorsMagnus SAMUELSSON, Sauli TULKKI
Life of this patent
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Abstract
A blood pressure measurement system comprising a pressure sensor guide wire comprising a pressure sensor located in a distal region of the pressure sensor guide wire that is configured to be inserted into a blood vessel of a human body and a transceiver unit communicatively coupled to the pressure sensor guide wire. The transceiver unit comprises a housing adapted to be used external to the human body, a sensor signal adapting circuitry configured to process pressure sensor values generated by the pressure sensor to create processed pressure sensor values, and a first transceiver configured to wirelessly transmit a signal representing the processed pressure sensor values using first, second, and third packets at first, second, and third frequencies.
Claims20
A blood pressure measurement system comprising:
- a pressure sensor guide wire comprising a pressure sensor located in a distal region of the pressure sensor guide wire that is configured to be inserted into a blood vessel of a human body;
- a transceiver unit communicatively coupled to the pressure sensor guide wire, the transceiver unit comprising:
- a housing adapted to be used external to the human body,
- a sensor signal adapting circuitry configured to process pressure sensor values generated by the pressure sensor to create processed pressure sensor values, and
- a first transceiver configured to wirelessly transmit a signal representing the processed pressure sensor values by performing steps comprising:
- wirelessly transmitting, at a first frequency, a first packet that includes at least a first processed pressure sensor value, a second processed pressure sensor value, and a third processed pressure sensor value, among the processed pressure sensor values,
- wirelessly transmitting, at a second frequency that is different from the first frequency, a second packet that includes at least the second processed pressure sensor value, the third processed pressure sensor value, and a fourth processed pressure sensor value, among the processed pressure sensor values, and
- wirelessly transmitting, at a third frequency that is different from the first and second frequencies, a third packet that includes at least the third processed pressure sensor value, the fourth processed pressure sensor value, and a fifth processed pressure sensor value, among the processed pressure sensor values.
A blood pressure measurement method comprising:
- inserting a distal region of a pressure sensor guide wire into a blood vessel of a human body, the pressure sensor guide wire comprising a pressure sensor located in the distal region;
- generating pressure sensor values using the pressure sensor;
- receiving a signal representing the pressure sensor values at a transceiver unit located external to the human body and communicatively coupled to the pressure sensor guide wire;
- processing the signal representing the pressure sensor values sensed by the pressure sensor to create processed pressure sensor values, using the transceiver unit;
- wirelessly transmitting a signal representing the processed pressure sensor values using a first transceiver of the transceiver unit, which comprises:
- wirelessly transmitting, at a first frequency, a first packet that includes at least a first processed pressure sensor value, a second processed pressure sensor value, and a third processed pressure sensor value, among the processed pressure sensor values,
- wirelessly transmitting, at a second frequency that is different from the first frequency, a second packet that includes at least the second processed pressure sensor value, the third processed pressure sensor value, and a fourth processed pressure sensor value, among the processed pressure sensor values, and
- wirelessly transmitting, at a third frequency that is different from the first and second frequencies, a third packet that includes at least the third processed pressure sensor value, the fourth processed pressure sensor value, and a fifth processed pressure sensor value, among the processed pressure sensor values.
Dependencies are inferred from the claim text.