Physiological measurement communications adapter

• US 8,548,548 B2
• Filed: 11/29/2010
• Issued: 10/01/2013
• Est. Priority Date: 03/25/2002
• Status: Expired due to Term

• Current Assignee: Masimo Corporation
• Original Assignee: Masimo Corporation
• Inventors: Al-Ali, Ammar
• Primary Examiner(s): WINAKUR, ERIC FRANK
• Application Number:
  US12/955,826
• Publication Number:
  US 20110071370A1
• Time in Patent Office: 1,037 Days
• Field of Search: 600/310, 600/322, 600/323, 600/324, 600/300, 128/903
• US Class Current: 600/323
• CPC Class Codes: A61B 2560/0214 of power generation or supply
• CPC Class Codes: A61B 2562/222 Electrical cables or leads therefor, e.g. coaxial cables or ribbon cables
• CPC Class Codes: A61B 2562/227 Sensors with electrical connectors
• CPC Class Codes: A61B 5/0004 characterised by the type of physiological signal transmitted
• CPC Class Codes: A61B 5/0015 characterised by features of the telemetry system
• CPC Class Codes: A61B 5/002 Monitoring the patient using a local or closed circuit, e.g. in a room or building A61B5/0017 takes precedence
• CPC Class Codes: A61B 5/0024 for multiple sensor units attached to the patient, e.g. using a body or personal area network
• CPC Class Codes: A61B 5/0026 characterised by the transmission medium
• CPC Class Codes: A61B 5/0205 Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
• CPC Class Codes: A61B 5/021 Measuring pressure in heart or blood vessels A61B5/0205 takes precedence
• CPC Class Codes: A61B 5/02416 using photoplethysmograph signals, e.g. generated by infrared radiation A61B5/14552 takes precedence
• CPC Class Codes: A61B 5/02427 Details of sensor
• CPC Class Codes: A61B 5/02438 with portable devices, e.g. worn by the patient
• CPC Class Codes: A61B 5/1455 using optical sensors, e.g. spectral photometrical oximeters
• CPC Class Codes: A61B 5/14551 for measuring blood gases
• CPC Class Codes: A61B 5/14552 Details of sensors specially adapted therefor
• CPC Class Codes: A61B 5/30 Input circuits therefor
• CPC Class Codes: A61B 5/318 Heart-related electrical modalities, e.g. electrocardiography [ECG]
• CPC Class Codes: A61B 5/332 Portable devices specially adapted therefor
• CPC Class Codes: A61B 5/6824 Arm or wrist
• CPC Class Codes: A61B 5/6826 : Finger
• CPC Class Codes: A61B 5/6831 : Straps, bands or harnesses
• CPC Class Codes: A61B 5/6838 : Clamps or clips
• CPC Class Codes: A61B 5/72 : Signal processing specially adapted for physiological signals or for diagnostic purposes character recognition, recognising digital ink, document-oriented image-based pattern recognition G06V30/00; recognition or understanding of postal images G06V30/424
• CPC Class Codes: A61B 5/7228 : Signal modulation applied to the input signal sent to patient or subject; demodulation to recover the physiological signal modulation H03C
• CPC Class Codes: A61B 5/7271 : Specific aspects of physiological measurement analysis A61B5/316, A61B5/349 and A61B5/374 take precedence
• CPC Class Codes: A61B 5/742 : using visual displays A61B5/339 takes precedence
• CPC Class Codes: A61B 5/7425 : Displaying combinations of multiple images regardless of image source, e.g. displaying a reference anatomical image with a live image geometric transforms for image registration G06T3/14; enhancement using image fusion G06T5/50; algorithms for registration of images G06T7/30
• CPC Class Codes: A61B 5/7445 : Display arrangements, e.g. multiple display units
• CPC Class Codes: A61B 5/7475 : User input or interface means, e.g. keyboard, pointing device, joystick
• CPC Class Codes: G08B 21/0453 : worn on the body to detect health condition by physiological monitoring, e.g. electrocardiogram, temperature, breathing detecting, measuring or recording for diagnostic purposes A61B5/00
• CPC Class Codes: H04W 4/70 : Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• CPC Class Codes: Y10S 128/903 : Radio telemetry

Abstract

A sensor interface is configured to receive a sensor signal. A transmitter generates a transmit signal. A receiver receives the signal corresponding to the transmit signal. Further, a monitor interface is configured to communicate a waveform to the monitor so that measurements derived by the monitor from the waveform are generally equivalent to measurements derivable from the sensor signal.

Claims

1. A personal, wearable, wireless physiological system comprising:

a physiological sensor configured to be attached to a patient and further configured to measure data useable to determine a physiological parameter;

a housing including a first processor configured to receive sensor signals from said physiological sensor and further configured to calculate at least one physiological parameter of a patient, said housing configured to be wearable by the patient;

a first communications link in communication with said first processor, the communication link configured to at least wirelessly transmit an indication of the calculated at least one physiological parameter;

a second communications link configured to wirelessly receive the transmitted indication of the calculated at least one physiological parameter transmitted by the first communications link; and

a second processor in communication with the second communications link, the second processor configured to provide a signal to the sensor input of a physiological monitor, the signal useable to cause the physiological monitor to calculate and display a physiological measurement consistent with the calculated at least one physiological parameter of the patient.

2. The personal, wearable, wireless physiological system according to claim 1, wherein the second processor utilizes characterization information corresponding to said physiological monitor usable to cause the physiological monitor to display a physiological measurement consistent with the calculated at least one physiological parameter of the patient.

3. The personal, wearable, wireless physiological system according to claim 1, wherein the housing houses the first communications link in addition to the first processor.

4. The personal, wearable, wireless physiological according to claim 1, wherein said second processor adapts said first signal so that said physiological monitor derives said physiological measurements comprising at least one of oxygen saturation, blood pressure, EKG, respiration rate, body temperature and blood glucose.

5. The personal, wearable, wireless physiological system according to claim 1, wherein the physiological measurement is oxygen saturation.

6. A physiological measurement method comprising:

receiving a physiological sensor signal at a wearable processing unit configured to be worn by a patient under measurement;

calculating an indication of a physiological parameter;

wirelessly transmitting the indication of the calculated physiological parameter;

receiving the transmitted indication of the calculated physiological parameter; and

outputting an adapted physiological waveform to a sensor port of the patient monitor so that the patient monitor calculates physiological measurements from the adapted physiological waveform.

7. The physiological measurement method of claim 6, wherein the physiological parameter is at least one of oxygen saturation, blood pressure, EKG, respiration rate, body temperature and blood glucose.

8. The physiological measurement method of claim 6, wherein calculating the indication of the physiological parameter comprises calculating a value of the physiological parameter.