Electronic stethoscope system for telemedicine applications

• US 9,480,400 B2
• Filed: 06/05/2012
• Issued: 11/01/2016
• Est. Priority Date: 02/01/2010
• Status: Active Grant

• Current Assignee: Solventum Intellectual Properties Company (Solventum Corp.)
• Original Assignee: 3M Innovative Properties Company (3M Company)
• Inventors: Bedingham, William, Oster, Craig D., Rogers, Daniel J., Schmidt, Thomas P.
• Primary Examiner(s): SMITH, CREIGHTON H
• Application Number:
  US13/489,113
• Publication Number:
  US 20120310115A1
• Time in Patent Office: 1,610 Days
• Field of Search: 381/67
• US Class Current: 1/1
• 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 7/04 Electric stethoscopes microphones, acoustic transducers therefor H04R
• CPC Class Codes: H04R 1/10 Earpieces; Attachments therefor ; Earphones; Monophonic headphones H04R1/28 takes precedence; stereophonic headphones H04R5/033
• CPC Class Codes: H04R 2420/07 Applications of wireless loudspeakers or wireless microphones

Abstract

An electronic stethoscope includes a housing configured for hand-held manipulation, a transducer supported by the housing and configured to sense auscultation signals at a first location, and a headset coupled to the housing and configured to deliver audio corresponding to the auscultation signals through earpieces on the headset. The electronic stethoscope further includes a processor disposed in the housing and configured to convert the auscultation signals to first digital signals representative of the auscultation signals and to wirelessly transmit the first digital signals from the electronic stethoscope via a secure digital network to a second location such that the audio corresponding to the auscultation signals is provided to headsets of one or more additional electronic stethoscopes at the second location in substantial real time with the sensing of the auscultation sounds at the first location.

Claims

1. A bioacoustic sensor system comprising:

a housing configured for hand-held manipulation;

a transducer supported by the housing that senses auscultation signals at a first location;

a headset configured to deliver audio corresponding to the auscultation signals through earpieces on the headset; and

a processor disposed in the housing and configured to convert the auscultation signals to first digital signals representative of the auscultation signals and to wirelessly transmit the first digital signals from the transducer via a digital network to the headset in substantial real time with the sensing of the auscultation signals at the first location;

wherein the audio received by the headset corresponding to the auscultation signals is a digitally exact replica of the auscultation signals sensed at the first location,

wherein the housing is releasably retainable in the headset via a fastener.

2. The bioacoustic sensor system of claim 1, wherein the transducer receives ambient audio at the first location, and wherein the processor is further configured to convert the ambient audio to second digital signals representative of the ambient audio and to wirelessly transmit the second digital signals with the first digital signals to the headset via the digital network.

3. The bioacoustic sensor system of claim 1, wherein the processor communicates over a secure personal area network via radio frequency signals.

4. The bioacoustic sensor system of claim 1, and further comprising:

a first antenna configured to wirelessly transmit the first digital signals from the processor via a secure digital connection.

5. The bioacoustic sensor system of claim 1, wherein the headset comprises a second antenna.

6. The bioacoustic sensor system of claim 1, wherein the processor is further configured to wirelessly receive signals from the headset via the digital network.

7. The bioacoustic sensor system of claim 6, wherein the signals comprise control signals.

8. The bioacoustic sensor system of claim 1, wherein the housing comprises a wireless chestpiece.

9. The bioacoustic sensor system of claim 1, wherein the headset includes a network interface.

10. The bioacoustic sensor system of claim 9, wherein the network interface includes a personal area network hub.

11. The bioacoustic sensor system of claim 9, wherein the network interface is configured to communicatively couple to a paired device selected from the group consisting of a personal computer, a tablet computer, a personal digital assistant, a cell phone, a smart phone, a digital music player, and combinations thereof.

12. The bioacoustic sensor system of claim 1, wherein the headset includes a pressure adjustment mechanism.

13. The bioacoustic sensor system of claim 1, wherein the headset includes two ear tubes, and wherein the fastener is located on one or more of the ear tubes.

14. The bioacoustic sensor system of claim 1, wherein the headset comprises a yolk and a control housing coupled to the yolk, and wherein the fastener is located on the yolk, the control housing, or combinations thereof.

15. The bioacoustic sensor system of claim 1, wherein the housing includes a power source, and wherein retaining the housing in the headset completes a circuit such that the power source can transfer electrical energy to the headset.

16. The bioacoustic sensor system of claim 1, wherein the headset includes two ear tubes and a yolk including an interior volume, and at least a portion of at least one ear tube is movable between a first position and a second position, wherein at least a portion of the ear tube is received in the interior volume in the second position.

17. A wireless headset for use in auscultation, the headset comprising:

a first ear tube and a second ear tube configured to deliver audio corresponding to acoustic signals through corresponding first and second earpieces on the headset;

a pressure adjustment mechanism adjustable between a first position and a second position;

a yolk coupled to first and second ear tubes;

a communication system configured to receive digital signals from a bioacoustic sensor via a digital network in substantial real time, wherein the communication system includes a personal area network hub and wherein the communication system and the bioacoustic sensor are connectable to the personal area network hub via a personal area network connection.

18. The wireless headset of claim 17, wherein the personal area network hub comprises a wireless network access point.

19. The wireless headset of claim 17, and wherein the communication system is configured to communicatively couple to a paired device selected from the group consisting of a personal computer, a medical sensor configured for wireless communication, a tablet computer, a personal digital assistant, a cell phone, a smart phone, a digital music player, and combinations thereof.

20. A method for establishing communication between two devices, the method comprising:

providing a first device having a first communications system configured to establish a wireless communication link and a first sensor configured to generate an acceleration profile in response to movement of the first device;

providing a second device having a second communications system configured to establish a wireless communication link and a second sensor configured to generate an acceleration profile in response to movement of the second device;

moving the first device and the second device such that a first acceleration profile generated by the first sensor is at least similar to a second acceleration profile generated by the second sensor;

verifying the first acceleration profile matches the second acceleration profile; and

establishing a network connection between the first and second device.

21. The method of claim 20, wherein the first device is a headset and the second device is a bioacoustic sensor.

22. The method of claim 20, wherein moving the first device and the second device comprises grasping and moving both devices in concert.

23. The method of claim 20, wherein the first and second sensor comprise an accelerometer.