Implantable multi-parameter sensing system and method

• US 20050065556A1
• Filed: 09/23/2003
• Published: 03/24/2005
• Est. Priority Date: 09/23/2003
• Status: Active Grant

• Current Assignee: Medtronic Minimed Incorporated (Medtronic Plc)
• Original Assignee: Medtronic Minimed Incorporated (Medtronic Plc)
• Inventors: Reghabi, Bahar, Shah, Rajiv, Gottlieb, Rebecca, Enegren, Bradley
• Granted Patent: US 8,086,323 B2
• Time in Patent Office: Days
• US Class Current: 607/5
• CPC Class Codes: A61B 5/02055 Simultaneously evaluating both cardiovascular condition and temperature
• CPC Class Codes: A61B 5/0215 by means inserted into the body catheters A61M25/00
• CPC Class Codes: A61B 5/14532 for measuring glucose, e.g. by tissue impedance measurement
• CPC Class Codes: A61B 5/14539 for measuring pH
• CPC Class Codes: A61B 5/14546 for measuring analytes not otherwise provided for, e.g. ions, cytochromes
• CPC Class Codes: A61B 5/1473 invasive, e.g. introduced into the body by a catheter A61B5/1482 takes precedence
• CPC Class Codes: A61B 5/412 Detecting or monitoring sepsis
• CPC Class Codes: A61B 5/6852 Catheters
• CPC Class Codes: A61B 5/7275 Determining trends in physiological measurement data; Predicting development of a medical condition based on physiological measurements, e.g. determining a risk factor

Abstract

A system and method of sensing multiple parameters. The method may include implanting an implantable sensor in a patient and reading an output from at least one of the implantable sensing elements. The implantable sensor may have a housing within which are disposed a plurality of implantable sensing elements. At least one of the implantable sensing elements may respond to lactate. In addition, a medical professional may administer to the patient for myocardial ischemia, myocardial infarction angina, sepsis based on the output read. A medical professional may also administer to the patient having an implantable cardiovascular defibrillator or who is receiving extracorporeal membrane oxygenation. The method may be used in a surgical or intensive care environment.

Claims

1. A method of sensing multiple parameters comprising:

implanting an implantable sensor at a single site in a patient, the implantable sensor having a housing within which are disposed a plurality of implantable sensing elements; and

reading an output from at least one of the implantable sensing elements,

wherein a plurality of parameters are read from the implantable sensor at the single site, and

wherein the output read from at least one of the implantable sensing elements is a quantifiable value.

2. The method of claim 1, wherein at least one of the implantable sensing elements is a biological parameter sensor.

3. The method of claim 1, wherein at least one of the implantable sensing elements is a physiological parameter sensor.

4. The method of claim 1, wherein at least one of the implantable sensing elements is an analyte sensor.

5. The method of claim 1, wherein reading an output from at least one of the implantable sensing elements comprises reading an output from an implantable sensing element that responds to lactate.

6. The method of claim 1, wherein reading an output from at least one of the implantable sensing elements comprises reading an output from an implantable sensing element that responds to blood oxygen saturation.

7. The method of claim 1, wherein reading an output from at least one of the implantable sensing elements comprises reading an output from an implantable sensing element that responds to blood pressure.

8. The method of claim 1, wherein reading an output from at least one of the implantable sensing elements comprises reading an output from an implantable sensing element that responds to glucose.

9. The method of claim 1, wherein reading an output from at least one of the implantable sensing elements comprises reading an output from an implantable sensing element that responds to temperature.

10. The method of claim 1, wherein reading an output from at least one of the implantable sensing elements comprises reading an output from an implantable sensing element that responds to potassium.

11. The method of claim 1, wherein reading an output from at least one of the implantable sensing elements comprises reading an output from at least one implantable sensing element that responds to pH.

12. The method of claim 1, further comprising administering therapy to the patient based on the output read from the at least one implantable sensing element.

13. The method of claim 12, wherein administering therapy comprises administering therapy for myocardial ischemia.

14. The method of claim 12, wherein administering therapy comprises administering therapy for myocardial infarction.

15. The method of claim 12, wherein administering therapy comprises administering therapy for angina.

16. The method of claim 12, wherein administering therapy comprises adjusting a function of an implantable cardiovascular defibrillator disposed within the patient.

17. The method of claim 12, wherein administering therapy comprises adjusting a placement of an implantable cardiovascular defibrillator disposed within the patient.

18. The method of claim 12, wherein administering therapy comprises administering therapy for sepsis.

19. The method of claim 12, wherein administering therapy comprises administering therapy for septic shock.

20. The method of claim 12, wherein administering therapy comprises administering therapy for a patient receiving extracorporeal membrane oxygenation.

21. The method of claim 12, wherein administering therapy comprises administering therapy for a patient undergoing cardiac bypass.

22. The method of claim 12, wherein administering therapy comprises administering therapy for a patient during dialysis.

23. The method of claim 1, further comprising classifying a severity of a condition of the patient based on the output read from the at least one implantable sensing element.

24. The method of claim 1, wherein the patient is in a surgical environment.

25. The method of claim 1, wherein the patient is in an intensive care environment.

26. A method of evaluating a patient comprising:

implanting an implantable sensor in a patient, the implantable sensor having a housing within which are disposed a plurality of implantable sensing elements;

reading an output from at least one of the implantable sensing elements; and

evaluating the patient based on the output read from the at least one implantable sensing element,

wherein a plurality of parameters are read from the implantable sensor at the single site, and

wherein the output read from at least one of the implantable sensing elements is a quantifiable value.

27. The method of claim 26, wherein evaluating the patient comprises evaluating the patient based on an output from an implantable sensing element that responds to lactate.

28. The method of claim 26, wherein evaluating the patient comprises evaluating the patient based on an output from an implantable sensing element that responds to blood oxygen saturation.

29. The method of claim 26, wherein evaluating the patient comprises evaluating the patient based on an output from an implantable sensing element that responds to blood pressure.

30. The method of claim 26, wherein evaluating the patient comprises evaluating the patient based on an output from an implantable sensing element that responds to glucose.

31. The method of claim 26, wherein evaluating the patient comprises evaluating the patient based on an output from an implantable sensing element that responds to temperature.

32. The method of claim 26, wherein evaluating the patient comprises evaluating the patient based on an output from an implantable sensing element that responds to potassium.

33. The method of claim 26, wherein evaluating the patient comprises evaluating the patient based on an output from an implantable sensing element that responds to pH.

34. The method of claim 26, wherein evaluating the patient comprises evaluating the patient for myocardial ischemia.

35. The method of claim 26, wherein evaluating the patient comprises evaluating the patient for myocardial infarction.

36. The method of claim 26, wherein evaluating the patient comprises evaluating the patient for angina.

37. The method of claim 26, wherein evaluating the patient comprises evaluating the patient having an implantable cardiovascular defibrillator.

38. The method of claim 26, wherein evaluating the patient comprises evaluating the patient for sepsis.

39. The method of claim 26, wherein evaluating the patient comprises evaluating the patient receiving extracorporeal membrane oxygenation.

40. The method of claim 26, wherein evaluating the patient comprises evaluating the patient undergoing cardiac bypass.

41. The method of claim 26, wherein evaluating the patient comprises evaluating the patient during dialysis.

42. A method of sensing multiple parameters in a triage patient comprising:

implanting an implantable sensor at a single site in the triage patient, the implantable sensor having a housing within which are disposed a plurality of implantable sensing elements; and

reading an output from at least one of the implantable sensing elements,

wherein a plurality of parameters are read from the implantable sensor at the single site, and

wherein the output read from at least one of the implantable sensing elements is a quantifiable value.

43. A method of sensing multiple parameters in field applications comprising:

implanting an implantable sensor at a single site in a patient in the field, the implantable sensor having a housing within which are disposed a plurality of implantable sensing elements; and

reading an output from at least one of the implantable sensing elements,

wherein a plurality of parameters are read from the implantable sensor at the single site, and

wherein the output read from at least one of the implantable sensing elements is a quantifiable value.