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1. (WO2011047216) PHYSIOLOGICAL ACOUSTIC MONITORING SYSTEM
유의사항: 이 문서는 자동 광학문자판독장치(OCR)로 처리된 텍스트입니다. 법률상의 용도로 사용하고자 하는 경우 PDF 버전을 사용하십시오

WHAT IS CLAIMED IS:

1. An acoustic monitoring system comprising:

an acoustic front-end that receives an acoustic sensor signal responsive to body sounds in a person;

a first signal path from the acoustic front-end to an audio transducer;

a second signal path from the acoustic front-end to an acoustic data processor via an analog-to-digital converter;

the audio transducer providing continuous audio of the body sounds; and the acoustic data processor providing audio of the body sounds upon user demand.

2. The acoustic monitoring system according to claim 1 further comprising:

a second acoustic front-end that receives a second acoustic sensor signal responsive to body sounds in a person;

a third signal path from the second acoustic front-end to a parameter processor via the analog-to-digital converter; and

the parameter processor deriving a physiological measurement responsive to the body sounds.

3. The acoustic monitoring system according to claim 2 further comprising:

a fourth signal path from the second acoustic front-end to the acoustic data processor via the analog-to-digital converter; and

the acoustic data processor providing a stereo audio output of the body sounds.

4. The acoustic monitoring system according to claim 3 further comprising:

a communications link to a remote site via a network;

a trigger responsive to the physiological measurement;

a notification transmitted over the communications link according to the trigger; and

the notification alerting a individual at the remote site of the physiological measurement and allowing the individual to request the body sounds be

downloaded to the individual via the communications link.

5. The acoustic monitoring system according to claim 4 further comprising:

an optical front-end that receives an optical signal responsive to pulsatile blood flow at a tissue site on the person;

the parameter processor deriving a second physiological measurement responsive to the pulsatile blood flow; and

the trigger responsive to a combination of the physiological measurement and the second physiological measurement.

6. The acoustic monitoring system according to claim any of Claims 3 through 5 further comprising:

a plurality of acoustic filters implemented in the acoustic data processor; the filters defining a plurality of audio bandwidths;

a plurality of controls in communications with the acoustic data processor; the controls configured to adjust the audio bandwidths; and

the stereo audio output adjusted by the controls so as to emphasize at least one of the audio bandwidths and de-emphasize at least one other of the audio bandwidths so that a user of the controls can focus on a particular aspect of the stereo body sound output.

7. The acoustic monitoring system according to any of claims 3 through 6 further comprising a display that is responsive in real-time to the stereo audio output.

8. An acoustic monitoring method comprising:

inputting a sensor signal responsive to body sounds of a living being;

routing the sensor signal to an audio output device enabling a first user to listen to the body sounds;

digitizing the sensor signal as acoustic data;

transmitting the acoustic data to a remote device over a network; and reproducing the acoustic data on the remote device as audio so as to enable a second user to listen to the body sounds.

9. The acoustic monitoring method according to claim 8 wherein the transmitting comprises:

receiving a request from the remote device to receive the body sounds; and generating the request in response to the second user actuating a button on the remote device to listen-on-demand.

10. The acoustic monitoring method according to any of claims 8 or 9 further comprising:

detecting a physiological event in the sensor signal; and

sending a notification to the second user in response to the detected event.

1 1 . The acoustic monitoring method according to any of claims 8 through 10 wherein the transmitting comprises:

extracting an envelope from the acoustic data; and

sending a breath tag to the remote device representative of the envelope.

2. The acoustic monitoring method according to claim 11 wherein the reproducing comprises:

synthesizing the envelope at the remote device in response to the breath tag; and

filing the envelope with a white noise.

13. The acoustic monitoring method according to any of claims 11 or 12, wherein the reproducing further comprises modifying the envelope with a

physiological feature derived from the breath tag.

14. The acoustic monitoring method according to any of claims 8 through 13 further comprising:

storing the acoustic data on a mass storage device as a virtual tape;

logging a searchable feature of the contents of the virtual tape in a database; and

retrieving the virtual tape from the mass storage device according to the searchable feature.

15. An acoustic monitor comprising:

an acoustic sensor having a piezoelectric assembly, an attachment assembly and a sensor cable;

the attachment assembly retaining the piezoelectric assembly and one end of the sensor cable;

the attachment assembly having an adhesive so as to removably attach the piezoelectric assembly to a tissue site;

another end of the sensor cable in communications with a sensor interface so as to activate the piezoelectric assembly to be responsive to body sounds transmitted via the tissue site; and

a wireless communications device responsive to the sensor interface so as to transmit the body sounds remotely.

16. The acoustic monitor according to claim 15 further comprising:

a second wireless communications device responsive to the wireless communications device so as to receive the body sounds; and

an audio output device responsive to the second wireless communications device so as to audibly and continuously reproduce the body sounds.

17. The acoustic monitor according to claim 16 wherein:

the sensor, the sensor interface and the wireless communications device comprise a first monitor section located near a living person;

the second wireless communications device and the audio output device comprise a second monitor section located remote from the living person and attended to by a user; and

the sensor adhesively attached to the living person so that the user hears the body sounds from the living person via the sensor and a continuous audio output.

18. The acoustic monitor according to claim 17 wherein:

the first monitor section is located proximate to an infant;

the sensor adhesively attached to the infant;

the second monitor section is located remote to the infant proximate an adult; and

the continuous audio output allows the adult to monitor the infant so as to avoid sudden infant death syndrome (SIDS).

19. An acoustic monitoring system comprising:

an acoustic front-end that receives a sensor signal including physiological information and that is responsive to patient body sounds;

the acoustic front-end configured to cause the sensor signal to be transmitted to an audio transducer configured to provide audio output of the body sounds.

20. The acoustic monitoring system of Claim 19, wherein the audio transducer is remote from the acoustic front-end.

21. The acoustic monitoring system of Claim 20, wherein the audio transducer is part of a remote listening device.

22. The acoustic monitoring system of any of Claims 19 through 21 , wherein the audio transducer is part of a telephone.

23. The acoustic monitoring system of any of Claims 19 through 22, wherein the audio transducer is part of a celluar telephone.

24. The acoustic monitoring system of any of Claims 19 through 21 , wherein the audio transducer is part of a Bluetooth listening device.

25. The acoustic monitoring system of any of Claims 19 through 24, wherein the audio transducer is part of a hands-free listening device.

26. The acoustic monitoring system of any of Claims 19 through 21 , wherein the audio transducer is part of a networked computer.

27. The acoustic monitoring system of any of Claims 19 through 26, wherein the audio transducer is configured to provide continuous audio of the body sounds.

28. The acoustic monitoring system of any of Claims 19 through 27, wherein the audio transducer is configured to provide audio of the body sounds upon user demand.

29. The acoustic monitoring system of any of Claims 19 through 28, further comprising at least one piezoelectric device configured to generate the sensor signal.