METHOD AND SYSTEM FOR USING DISTRIBUTED ELECTROMAGNETIC (EM) TISSUE(S) MONITORING

• US 20130060103A1
• Filed: 05/12/2011
• Published: 03/07/2013
• Est. Priority Date: 05/13/2010
• Status: Abandoned Application

• Current Assignee: Sensible Medical Innovations Ltd.
• Original Assignee: Sensible Medical Innovations Ltd.
• Inventors: Bergida, Shlomi, Saroka, Amir, Rappaport, Dan, Hai, Nahum
• Application Number:
  US13/697,384
• Publication Number:
  US 20130060103A1
• Time in Patent Office: Days
• US Class Current: 600/302
• CPC Class Codes: A61B 5/0031 Implanted circuitry
• CPC Class Codes: A61B 5/02028 Determining haemodynamic parameters not otherwise provided for, e.g. cardiac contractility or left ventricular ejection fraction
• CPC Class Codes: A61B 5/02152 specially adapted for venous pressure
• CPC Class Codes: A61B 5/029 Measuring or recording blood output from the heart, e.g. minute volume A61B8/065 takes precedence
• CPC Class Codes: A61B 5/0507 using microwaves or terahertz waves
• CPC Class Codes: A61B 5/24 Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
• CPC Class Codes: A61B 5/4839 combined with drug delivery
• CPC Class Codes: A61B 5/4881 Determining interstitial fluid distribution or content within body tissue measuring analytes in interstitial fluid in-vivo A61B5/1451
• CPC Class Codes: A61N 1/36571 controlled by blood flow rate, e.g. blood velocity or cardiac output

Abstract

A system for monitoring at least one biological tissue of a patient during a period of at least 24 hours. The system comprises an implantable intrabody probe and an extrabody probe which propagate an electromagnetic (EM) signal, using an antenna, via at least one tissue therebetween, in a plurality of sessions during a period of at least 24 hours, a processing unit which analyses the EM signal to detect a change in at least one biological parameter of the at least one tissue, and an output unit which outputs the change.

Claims

1. A system for monitoring at least one biological tissue of a patient during a period of at least 24 hours, comprising:

an implantable intrabody probe and an extrabody probe which propagate an electromagnetic (EM) signal, using an antenna, via at least one tissue therebetween, in a plurality of sessions during a period of at least 24 hours;

a processing unit which analyses said EM signal to detect a change in at least one biological parameter of said at least one tissue; and

an output unit which outputs said change.

2. The system of claim 1, wherein said extrabody probe delivers and intercepts said EM signal.

3. The system of claim 1, wherein said extrabody probe delivers said EM signal and said intrabody probe intercepts said EM signal.

4. The system of claim 1, wherein said processing unit analyses said EM signal to detect a change in a fluid level of said at least one tissue.

5. The system of claim 1, wherein said processing unit is part of said implantable intrabody probe, said implantable intrabody probe comprises a communication interface to transmit data pertaining to said analyzed EM signal to at least one of said extrabody probe and an extrabody patient management unit.

10. The system of claim 1, further comprising a communication interface for receiving at least one parameter from an implantable medical device (IMD);

and being operated according to said at least one parameter.

16. The system of claim 1, wherein said implantable intrabody probe comprises an active element which performs at least one of intensifying, regenerating, and manipulating the EM signal.

24. The system of claim 1, wherein said EM signal is a radio frequency (RF) signal.

26. The system of claim 1, wherein said intrabody probe transmits said EM signal;

further comprising an amplitude detector for sampling the amplitude of said EM signal and a communication interface for transmitting said sampled amplitude to said extrabody probe.

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36. A system for monitoring at least one biological tissue of a patient, comprising an implantable intrabody probe, the implantable intrabody probe comprising:

a transmitter which propagates an electromagnetic (EM) signal, using an antenna, via at least one tissue;

a receiver which intercepts a reflection of said EM signal from said at least one tissue;

a processing unit which analyses said reflection to detect a change in at least one biological parameter of said at least one tissue; and

a communication unit which transfers a message, based on said change, to an extrabody unit.

7. The system of claim 36, wherein said implantable intrabody probe is integrated with an implantable medical device (IMD).

9. The system of claim 36 further comprising a communication interface for receiving at least one parameter from an implantable medical device (IMD);

said processing unit calculates said change according to a combination of an analysis of said EM signal and said at least one parameter.

11. The system of claim 36, further comprising a communication interface for forwarding data related to said change to an implantable medical device (IMD) so as to allow regulation of operation of said IMD.

12. The system of claim 11, wherein said change is a cardiac ejection fraction change, and wherein said IMD is a pacemaker device, and wherein said regulation comprises adjusting the pacing parameters of a said pacemaker according to said cardiac ejection fraction change.

13. The system of claim 11, wherein said processing unit calculates cardiac output according to said change, said regulating comprises adjusting the pacing parameters of a pace making element according to said cardiac output.

14. The system of claim 11, wherein said IMD comprises a drug releasing element, said IMD adjusting the releasing pace of said drug releasing element according to said change.

15. The system of claim 11, wherein said change is a rate of change of the pressure in the heart of the patient, said IMD adjusting the pacing parameters of a pace making element according to said rate.

17. The system of claim 36, wherein at least one of said intrabody and extrabody probes comprises an additional sensor for gathering data related to the physical condition of the patient, said processing unit combines said change and said gathered data to determine a biological parameter.

18. The system of claim 36, further comprising a communication interface for receiving pressure value from a pulmonary arterial pressure (PAP) device implanted into said patient;

said processing unit calculates said change according to a combination of an analysis of said EM signal and said pressure value.

30. The system of claim 36, wherein said intrabody probe comprises an inductive coil for receiving an RF magnetic field for supplying energy to the intrabody probe'"'"'s components.

31. The system of claim 30, wherein said extrabody probe comprises a power supply element circuitry for generating a inductive charging field.

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42. A method for monitoring at least one biological tissue of a patient, comprising:

implanting an implantable intrabody probe in an intrabody area of a patient;

propagating an electromagnetic (EM) signal via at least one tissue;

intercepting EM signal;

analyzing said propagated EM signal to detect a change in at least one biological parameter of said at least one tissue; and

wirelessly transferring a message, based on said change, to an extrabody unit.

34. The method of claim 42, wherein said implantable intrabody probe is implanted between a muscle layer and a fat layer of the patient.

35. The method of claim 42, wherein said implantable intrabody probe is implanted within the chest cavity and directed to transmit said EM signal via the lung toward said extrabody probe.

43. The method of claim 42, wherein said analyzing comprises analyzing said EM signal to detect a change in a fluid level of said at least one tissue.

44. The method of claim 42, wherein said EM signal is a radio frequency (RF) signal.