IP Library Granted Patent US 6,997,864
Granted Patent B2
US 6,997,864 · App. 10/700,188 · Granted Feb 14, 2006

Method for obtaining diagnostic information relating to a patient having an implanted transducer

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Quick Facts
Patent No.
US 6,997,864
App. No.
10/700,188
Granted
Feb 14, 2006
Kind
B2
Abstract

Method for obtaining diagnostic information utilizing an electrical signal output from an implantable transducer. According to one aspect of the invention, a method includes the steps of vibrating an ossicular bone of a patient having an implanted transducer using an input provided over a biological conduction path. The method further includes sensing in the implanted transducer an initial movement of the ossicular bone caused by the input and obtaining an electrical signal output from the implanted transducer generated in response to sensing the initial movement. The electrical signal output is then utilized to determine the diagnostic information.

Claims (107)

1. A method for obtaining diagnostic information relating to a patient having an implanted transducer, comprising:

vibrating an ossicular bone of the patient using an input provided to the ossicular bone over a biological conduction path, wherein the biological conduction path consists of biological components of the patient, and wherein said input is not provided by said implanted transducer;

sensing in the implanted transducer an initial movement of the ossicular bone caused by the input provided over the biological conduction path;

obtaining an electrical signal output from the implanted transducer generated in response to sensing, in the implanted transducer, the initial movement of the ossicular bone; and,

utilizing the electrical signal output to determine the diagnostic information relating to the patient.

2. A method as recited in claim 1 , wherein the vibrating and sensing steps comprise:

vibrating the ossicular bone during a first time interval and sensing the initial movement during a second time interval, wherein the first and second time interval at least partially overlap.

3. A method as recited in claim 1 , wherein the vibrating and sensing steps comprise:

vibrating the ossicular bone and sensing the initial movement substantially simultaneously.

4. A method as recited in claim 1 , wherein the utilizing step comprises:

utilizing the electrical signal output to determine fitting parameter diagnostic information relating to at least one fitting parameter for the implanted transducer.

5. A method as recited in claim 4 , wherein the at least one fitting parameter includes an interface between the implanted transducer and the ossicular bone and the utilizing step comprises:

assessing the interface between the ossicular bone and the implanted transducer.

6. A method as recited in claim 5 , wherein the assessing step comprises:

determining if the implanted transducer is underloaded relative to the ossicular bone.

7. A method as recited in claim 5 , wherein the assessing step comprises:

determining if the implanted transducer is overloaded relative to the ossicular bone.

8. A method as recited in claim 5 , wherein the assessing step comprises:

determining if a desired interface exists between the implanted transducer and the ossicular bone.

9. A method as recited in claim 5 , further comprising:

repositioning the transducer relative to the ossicular bone in response to the assessing step.

10. A method as recited in claim 1 , wherein the utilizing step comprises:

utilizing the electrical signal output to determine diagnostic information that relates to the operation of the implanted transducer.

11. A method as recited in claim 10 , wherein the implanted transducer diagnostic information includes at least one operating parameter of the implanted transducer.

12. A method as recited in claim 11 , wherein the at least one operating parameter includes a transducer performance parameter.

13. A method as recited in claim 1 , wherein the utilizing step comprises:

utilizing the electrical signal output to determine auditory system diagnostic information relating to the patient's auditory system.

14. A method as recited in claim 13 , wherein the auditory system diagnostic information includes a mobility of the patient's ossicular chain.

15. A method as recited in claim 14 , the method comprising:

using the mobility of the patient's ossicular chain to diagnose pathologies of the middle ear.

16. A method as recited in claim 15 , wherein the pathologies are selected from the group of pathologies comprising:

bony growths, arthritic conditions, and otitis media.

17. A method as recited in claim 1 , wherein the vibrating step includes:

introducing an acoustic signal into an ear canal of the patient.

18. A method as recited in claim 1 , wherein the vibrating step comprises:

vibrating at least a portion of a skull of the patient.

19. A method as recited in claim 1 , wherein the vibrating step comprises:

mechanically stimulating the tympanic membrane of the patient.

20. A method as recited in claim 1 , wherein the electrical signal output is generated in response to movement of an actuator of the implanted transducer by the ossicular bone.

21. A method as recited in claim 20 , wherein the sensing step comprises:

transducing the movement of the actuator into the electrical signal output.

22. A method as recited in claim 1 , wherein the utilizing step comprises:

comparing the electrical signal output with a predetermined electrical signal output to generate the diagnostic information.

23. A method as recited in claim 1 , wherein the utilizing step comprises:

comparing the electrical signal output with a predetermined range of electrical signal outputs to generate the diagnostic information.

24. A method as recited in claim 1 , wherein the utilizing step comprises:

calculating a ratio between the input and the electrical signal output; and

comparing the ratio to a predetermined ratio to generate the diagnostic information.

25. A method as recited in claim 1 , wherein the utilizing step comprises:

obtaining at least one signal value from the electrical signal output; and

comparing the at least one signal value with a corresponding predetermined value to obtain comparison data, wherein the comparison data is indicative of the diagnostic information.

26. A method as recited in claim 25 , wherein the at least one value corresponds with a magnitude component of the electrical signal output.

27. A method as recited in claim 26 , wherein the input comprises at least one component of a predetermined frequency, and wherein the magnitude component of the electrical signal output is obtained in corresponding relation to the predetermined frequency of the input component.

28. A method as recited in claim 25 , wherein the at least one value corresponds with a flow component of the electrical signal output.

29. A method as recited in claim 1 , further comprising:

repeating the vibrating, sensing, obtaining, and utilizing steps in connection with each of a plurality of patient assessments conducted as spaced timed intervals to obtain a corresponding plurality of comparison data; and

utilizing the plurality of comparison data to generate the diagnostic information as a function of time.

30. A method for obtaining diagnostic information relating to a patient having an implanted transducer, comprising:

vibrating an ossicular bone of the patient using an input provided to the ossicular bone over a biological conduction path, wherein the biological conduction path consists of biological components of the patient;

sensing in the implanted transducer an initial movement of the ossicular bone caused by the input provided over the biological conduction path;

obtaining an electrical signal output from the implanted transducer generated in response to sensing, in the implanted transducer, the initial movement of the ossicular bone; and,

utilizing the electrical signal output to determine diagnostic information that relates to the operation of the implanted transducer.

31. A method as recited in claim 30 , wherein the diagnostic information includes at least one operating parameter of the implanted transducer.

32. A method as recited in claim 31 , wherein the at least one operating parameter includes a transducer performance parameter.

33. A method for obtaining diagnostic information relating to a patient having an implanted transducer, comprising:

vibrating an ossicular bone of the patient using an input provided to the ossicular bone over a biological conduction path, wherein the biological conduction path consists of biological components of the patient, wherein said input is not provided by said implanted transducer;

sensing in the implanted transducer an initial movement of the ossicular bone caused by the input provided over the biological conduction path;

obtaining an electrical signal output from the implanted transducer generated in response to sensing, in the implanted transducer, the initial movement of the ossicular bone; and,

utilizing the electrical signal output to determine auditory system diagnostic information relating to the patient's auditory system, wherein the auditory system diagnostic information includes a mobility of the patient's ossicular chain.

34. A method as recited in claim 33 , the method comprising:

using the mobility of the patient's ossicular chain to diagnose pathologies of the middle ear.

35. A method as recited in claim 34 , wherein the pathologies are selected from the group of pathologies comprising:

bony growths, arthritic conditions, and otitis media.

36. A method for obtaining diagnostic information relating to a patient having an implanted transducer, comprising:

vibrating an ossicular bone of the patient using an input provided to the ossicular bone over a biological conduction path, wherein the biological conduction path consists of biological components of the patient;

sensing in the implanted transducer an initial movement of the ossicular bone caused by the input provided over the biological conduction path;

obtaining an electrical signal output from the implanted transducer generated in response to sensing, in the implanted transducer, the initial movement of the ossicular bone; and,

utilizing the electrical signal output to determine diagnostic information relating to the patient, wherein said utilizing step comprises comparing the electrical signal output with a predetermined electrical signal output to generate the diagnostic information.

37. A method for obtaining diagnostic information relating to a patient having an implanted transducer, comprising:

vibrating an ossicular bone of the patient using an input provided to the ossicular bone over a biological conduction path, wherein the biological conduction path consists of biological components of the patient;

sensing in the implanted transducer an initial movement of the ossicular bone caused by the input provided over the biological conduction path;

obtaining an electrical signal output from the implanted transducer generated in response to sensing, in the implanted transducer, the initial movement of the ossicular bone; and,

utilizing the electrical signal output to determine diagnostic information relating to the patient, wherein said utilizing step comprises comparing the electrical signal output with a predetermined range of electrical signal outputs to generate the diagnostic information.

38. A method for obtaining diagnostic information relating to a patient having an implanted transducer, comprising:

vibrating an ossicular bone of the patient using an input provided to the ossicular bone over a biological conduction path, wherein the biological conduction path consists of biological components of the patient;

sensing in the implanted transducer an initial movement of the ossicular bone caused by the input provided over the biological conduction path;

obtaining an electrical signal output from the implanted transducer generated in response to sensing, in the implanted transducer, the initial movement of the ossicular bone; and,

utilizing the electrical signal output to determine diagnostic information relating to the patient, wherein said utilizing step further comprises:

calculating a ratio between the input and the electrical signal output; and

comparing the ratio to a predetermined ratio to generate the diagnostic information.

39. A method for obtaining diagnostic information relating to a patient having an implanted transducer, comprising:

vibrating an ossicular bone of the patient using an input provided to the ossicular bone over a biological conduction path, wherein the biological conduction path consists of biological components of the patient;

sensing in the implanted transducer an initial movement of the ossicular bone caused by the input provided over the biological conduction path;

obtaining an electrical signal output from the implanted transducer generated in response to sensing, in the implanted transducer, the initial movement of the ossicular bone; and,

utilizing the electrical signal output to determine diagnostic information relating to the patient, wherein said utilizing step further comprises:

obtaining at least one signal value from the electrical signal output; and

comparing the at least one signal value with a corresponding predetermined value to obtain comparison data, wherein the comparison data is indicative of the diagnostic information.

40. A method as recited in claim 39 , wherein the at least one signal value corresponds with a magnitude component of the electrical signal output.

41. A method as recited in claim 40 , wherein the input comprises at least one component of a predetermined frequency, and wherein the magnitude component of the electrical signal output is obtained in corresponding relation to the predetermined frequency of the input component.

42. A method as recited in claim 39 , wherein the at least one signal value corresponds with a flow component of the electrical signal output.

43. A method for obtaining diagnostic information relating to a patient having an implanted transducer, comprising:

vibrating an ossicular bone of the patient using an input provided to the ossicular bone over a biological conduction path, wherein the biological conduction path consists of biological components of the patient;

sensing in the implanted transducer an initial movement of the ossicular bone caused by the input provided over the biological conduction path;

obtaining an electrical signal output from the implanted transducer generated in response to sensing, in the implanted transducer, the initial movement of the ossicular bone; and,

utilizing the electrical signal output to determine diagnostic information relating to the patient, wherein said utilizing step further comprises:

repeating the vibrating, sensing, obtaining, and utilizing steps in connection with each of a plurality of patient assessments conducted as spaced timed intervals to obtain a corresponding plurality of comparison data; and

utilizing the plurality of comparison data to generate the diagnostic information as a function of time.

Assignments (14)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 3, 2012
From: OTOLOGICS, L.L.C.
To: COCHLEAR LIMITED
Reel/Frame 029072/0647 →
RELEASE OF SECURITY INTEREST Recorded Oct 3, 2012
From: COCHLEAR LIMITED
To: OTOLOGICS, L.L.C.
Reel/Frame 029072/0633 →
ACKGT. OF INEFFECTIVE PAT. ASSMT. AGMT. Recorded Mar 11, 2010
From: MEDTRONIC, INC.
To: OTOLOGICS, LLC
Reel/Frame 024066/0349 →
SECURITY AGREEMENT Recorded Jan 22, 2010
From: OTOLOGICS, L.L.C.
To: COCHLEAR LIMITED
Reel/Frame 023832/0387 →
ACKNOWLEDGEMENT OF RELEASE OF SECURITY AGMT Recorded Mar 16, 2007
From: AFFINITY VENTURES III, L.P.; DEAN BELBAS, TRUSTEE OF THE DEAN BELBAS REVOCABLE TRUST; BR DIRECT MARKETING, INC.; BRANDSNESS, DAVID; BRISTER, MATTHEW; BROWN, RICHARD N.; BRYNGELSON, JOHN AND CARLYN; CARLSON, DAN H. AND LESLIE T.; CLARK, STUART; DACK CATTLE TRUST; FAUST, RONALD F. AND GEORGIANA; FERGUSON, JOHN A., III; GJ GENERAL PARTNERSHIP; HALL, PETER T.; MARGULIS, MARTHA H.; S. ALBERT D. HANSER, TRUSTEE FOR S. ALBERT D. HANSER REVOCABLE TRUST U/A; LES HARDY, JR. LIVING TRUST; KAY L. HARDY LIVING TRUST; HIMLE, JOHN AND KAREN; ILLANES, EDUARDO AND DIANE; KASPRICK, LYLE; KASPRICK, KATHLEEN; KENWORTHY, MARIA; KING, JERRY AND MARTHA; KING, JOHN J.; KING, MAUREEN; KING, MARGARET; HAILS, MARK; KING, LAURIE; KING, DAVID G.; JACK J. KORFF TRUST; KRISTO, STEVEN J.; LEAVERTON, KARL V.; LOFTUS, THOMAS T. AND MARGARET A.; LYNCH, PETER S. AND CAROLYN A.; THE LYNCH FOUNDATION; MOSCHETTI, DONALD J.; PIHL, MARJORIE J.; RANDALL, WILLIAM C.; RICE, DANIEL F.; ROGNLIN, WAYNE & MARLENE; SHLOPAK, GREGORY P.; SMITH, PATRICK A. & KAREN D.; STEELE, RICHARD; H.R. SWANSON REVOCABLE TRUST; SWENSON, LESTER J. AND DARLENE K.; R. RANDALL VOSBECK REVOCABLE TRUST; WARDEN, RICHARD H.; O. BURTON WASTCOAT TRUST; RONALD C. WHITE TRUST; WWF & COMPANY; WOOLLER, JOSEPH W., III; YOST PARTNERSHIP, L.P.; DORSEY R. GARDNER 2002 TRUST; OLSETH, DALE R.; ERICKSON, RONALD A. AND KRISTINE S.; ERICKSON, DAVID S.; ERICKSON, BRIAN; ALFRED & ROSE ERICKSON TRUST; FRISWOLD, FRED R.; MEDTRONIC, INC.; ELIZABETH T. JOHNSON AND LEE W. JOHNSON, TRUSTEES OF THE ELIZABETH T. JOHNSON TRUST AGREEMENT
To: OTOLOGIC, LLC
Reel/Frame 019019/0853 →
FIRST AMENDMENT TO SECURITY AGREEMENT OF SECURITY Recorded Aug 30, 2006
From: OTOLOGICS, LLC
To: MELROSE, KENDRICK; HANSER, LAURA H.; HANSER, S. ALBERT D., TRUSTEE FOR SALLY DODGE HANSER REVOCABLE TRUST U/A; HANSER, S. ALBERT D., TRUSTEE FOR S. ALBERT D. HANSER REVOCABLE TRUST U/A; BELBAS, DEAN, TRUSTEE OF THE DEAN BELBAS REVOCABLE TRUST; COBORN, DANIEL G.; COBORN, CHRISTOPHER; LYNCH FOUNDATION, THE; PETER & CAROLYN LYNCH; HANSER, III, ALBERT; SOLON, SR., VLASIE; SHLOPAK, GREGORY P.; KING, JERRY & MARTHA
Reel/Frame 018350/0855 →
1ST AMENDMENT TO PATENT SECURITY AGREEMENT Recorded Jul 13, 2006
From: OTOLOGICS, LLC
To: FRISWOLD, FRED R.; DORSEY R. GARDNER 2002 TRUST; OLSETH, DALE R.; ERICKSON, RONALD A.; ERICKSON, KRISTINE S.; ERICKSON, DAVID S.; ERICKSON, BRIAN; ALFRED & ROSE ERICKSON TRUST
Reel/Frame 018099/0154 →
2ND AMEND TO PATENT SECURITY AGREEMENT WITH SECURI Recorded Jul 13, 2006
From: OTOLOGICS, LLC
To: AFFINITY VENTURES III, L.P.; DEAN BELBAS, TRUSTEE OF THE DEAN BELBAS REVOCABLE TRUST; BR DIRECT MARKETING, INC.; BRANDSNESS, DAVID; BRISTER, MATTHEW; BROWN, RICHARD N.; JOHN AND CARLYN BRYNGELSON; DAN H. CARLSON AND LESLIE T. CARLSON; CLARK, STUART; DACK CATTLE TRUST; RONALD F. FAUST AND GEORGIANA FAUST TRUSTEES OF THE FAUST FAMILY TRUST, UA; FERGUSON, JOHN A. III; GJ GENERAL PARTNERSHIP; HALL, PETER T. AND MARGULIS, MARTHA H.; HANSER, S. ALBERT D., TRUSTEE FOR S. ALBERT D. HANSER REVOCABLE TRUST U/A; LES HARDY, JR. LIVING TRUST; KAY L. HARDY LIVING TRUST; JOHN AND KAREN HIMLE; EDUARDO AND DIANE ILLANES; ELIZABETH T. JOHNSON AND LEE W. JOHNSON TRUSTEES OF THE ELIZABETH T. JOHNSON TRUST AGREEMENT; KASPRICK, LYLE; KASPRICK, KATHLEEN; KENWORTHY, MARIA; JERRY AND MARTHA KING; KING, JOHN J.; KING, MAUREEN; MARGARET KING AND MARK HAILS; KING, LAURIE; KING, DAVID G.; JACK J. KORFF TRUST; KRISTO, STEVEN J.; LEAVERTON, KARL V.; THOMAS T. AND MARGARET A. LOFTUS; PETER S. AND CAROLYN A. LYNCH; LYNCH FOUNDATION, THE; MOSCHETTI, DONALD J.; PIHL, MARJORIE J.; RANDALL, WILLIAM C.; RICE, DANIEL F.; WAYNE & MARLENE ROGNLIN; SHLOPAK, GREGORY P.; PATRICK A. & KAREN D. SMITH; STEELE, RICHARD; H.R. SWANSON REVOCABLE TRUST; LESTER J. AND DARLENE K. SWENSON; R. RANDALL VOSBECK REVOCABLE TRUST; WARDEN, RICHARD H.; O. BURTON WASTCOAT TRUST; RONALD C. WHITE TRUST; WWF & COMPANY; WOOLLER, JOSEPH W. III; YOST PARTNERSHIP, L.P.
Reel/Frame 018099/0045 →
RELEASE OF SECURITY AGMT Recorded Jun 15, 2006
From: AFFINITY VENTURES III, L.P.; INSULA PROPERTIES, LLC; STERLING TRUST COMPANY, CUSTODIAN; BELBAS, DEAN, TRUSTEES OF THE DEAN BELBAS REVOCABLE TRUST; BLACKEY, BRENT & KAREN; BOEHNEN, DAVID L.; BRYNGELSON, JOHN & CARLYN; RICHARD D. CRAMER REVOCABLE TRUST; DACK CATTLE TRUST; BR DIRECT MARKETING; D&R INVESTMENT PARTNERSHIP; ALFRED & ROSE ERICKSON TRUST; FRISWOLD, FRED R.; GARBUTT, JERRY; GARBUTT, JANE; DORSEY R. GARDNER 2002 TRUST; GRANAT, KENNETH; GRANAT, NANCY J.; GRANAT, ELIZABETH W.; LES HARDY, JR. LIVING TRUST; KAY L. HARDY LIVING TRUST; JOSPEY FAMILY LIMITED PARTNERSHIP; KEOUGH, STEVEN J.; KING, JOHN J.; KING, MAUREEN; KRISTO, STEVEN J.; PIPER JAFFREY AS CUSTODIAN FBO DAN L. LASTAVICH IRA; LENZ, WILLIAM; JAMISON-LENZ, PAMELA; LEWIS, HARRY T., JR.; LINDAHL, DENNIS M.; MCFARLAND, RICHARD D.; MESLOW, JOHN A.; MESLOW, KAREN J.; MEYER, GERALD L.; OBERMAN, LAWRENCE A.; OBERMEYER, PETER E. & JUDITH C.; OLSETH, DALE R.; OLSETH FAMILY GRANDCHILDREN'S EDUCATIONAL TRUST; RAHN, NOEL P.; ROGNLIN, WAYNE; ROGNLIN, MARLENE; SMITH, PATRICK A.; SMITH, KAREN D.; SWENSON, LESTER J.; SWENSON, DARLENE K.; TOWNSEND, GEORGE; TRIGRAN INVESTMENTS, INC.; TSCHETTER, RONALD A.; WARDEN, RICHARD H.; YOST PARTNERSHIP, L.P.; HANSER, LAURA H., C/O SANIBEL CAPTIVA TRUST COMPANY; S. ALBERT D. HANSER, TRUSTEE FOR SALLY DODGE HANSER REVOCABLE TRUST U/A C/O SANIBEL CAPTIVA TRUST COMPANY; S. ALBERT D. HANSER, TRUSTEE FOR S. ALBERT D. HANSER REVOCABLE TRUST U/A C/O SANIBEL CAPTIVA TRUST COMPANY; COBORN, DANIEL G.; COBORN, CHRISTOPHER; LYNCH FOUNDATION, THE; MELROSE, KENDRICK; ZAWADSKI, STEVEN J. & BARBARA B.; HANSER III, ALBERT; SOLON, SR., VLASIE; SHLOPAK, GREGORY P., C/O ROCKPORT EQUITY MANAGEMENT; KING, JERRY & MARTHA; ILLANES, EDUARDO; ILLANES, DIANE; LYNCH, PETER; LYNCH, CAROLYN
To: OTOLOGICS, LLC
Reel/Frame 017982/0930 →
3RD AMEND TO SECURITY AGMT & SECURITY AGMT Recorded Jun 9, 2006
From: OTOLOGICS, LLC
To: AFFINITY VENTURES III, L.P.; INSULA PROPERTIES, LLC; STERLING TRUST COMPANY, CUSTODIAN; BELBAS, DEAN TRUSTEE OF THE DEAN BELBAS REVOCABLE TRUST; BLACKEY, BRENT & KAREN; BOEHNEN, DAVID L.; BRYNGELSON, JOHN & CARLYN; CRAMER, RICHARD D., REVOCABLE TRUST; DACK CATTLE TRUST; BR DIRECT MARKETING; D&R INVESTMENT PARTNERSHIP; ERICKSON, ALFRED & ROSE TRUST; FRISWOLD, FRED R.; GARBUTT, JERRY & JANE; GARDNER, DORSEY R. 2002 TRUST; GRANAT, KENNETH & NANCY J.; GRANAT, ELIZABETH W.; HARDY, JR., LES LIVING TRUST; HARDY, KAY L. LIVING TRUST; JOSPEY FAMILY LIMITED PARTNERSHIP; KEOUGH, STEVEN J.; KING, JOHN J.; KING, MAUREEN; KRISTO, STEVEN J.; PIPER JAFFREY AS CUSTODIAN; LENZ, WILLIAM & JAMISON-LENZ, PAMELA; LEWIS, JR., HARRY T.; LINDHAL, DENNIS M.; MCFARLAND, RICHARD D.; MESLOW, JOHN A. & KAREN J.; MEYER, GERALD L.; OBERMAN, LAWRENCE A.; OBERMEYER, PETER E. & JUDITH C.; OLSETH, DALE R.; OLSETH FAMILY GRANDCHILDREN'S EDUCATIONAL TRUST; RAHN, NOEL P.; ROGNLIN, WAYNE & MARLENE; SMITH, PATRICK A. & KAREN D.; SWENSON, LESTER J. & DARLENE K.; TOWNSEND, GEORGE; TRIGRAN INVESTMENTS, INC.; TSCHETTER, RONALD A.; WARDEN, RICHARD H.; YOST PARTNERSHIP, L.P.; HANSER, LAURA H.; HANSER, S. ALBERT D., TRUSTEE FOR HANSER, SALLY DODGE REVOCABLE TRUST U/A; HANSER,S. ALBERT D., TRUSTEE FOR HANSER, ALBERT D. REVOCABLE TRUST U/A; COBORN, DANIEL G.; COBORN, CHRISTOPHER; LYNCH FOUNDATION, THE; MELROSE, KENDRICK; ZAWADSKI, STEVEN J. & BARBARA B.; HANSER III, ALBERT; SOLON, SR., VLASIE; SHLOPAK, GREGORY P.; KING, JERRY & MARTHA; ILLANES, EDUARDO AND DIANE; LYNCH, PETER & CAROLYN
Reel/Frame 017982/0001 →
SECURITY AGREEMENT Recorded Mar 10, 2006
From: OTOLOGICS, L.L.C.
To: MEDTRONIC, INC.; FRISWOLD, FRED R.; R. GARDNER AND JOHN F. O'BRIEN ORIGINAL TRUSTEES, DORSEY R. GARDNER 2002 TRUST, DATED JANUARY 16, 2003, DORSEY; OLSETH, DALE R.; ERICKSON, RONALD A. AND KRISTINE S.; ERICKSON, DAVID S.; ERICKSON, ALFRED & ROSE ERICKSON TRUST, FBO DONOVAN A.; ERICKSON, BRIAN
Reel/Frame 017286/0507 →
SECURITY AGREEMENT Recorded Jan 25, 2006
From: OTOLOGICS, LLC
To: DORSEY R. GARDNER 2002 TRUST; TRIGRAN INVESTMENTS, INC.; ILLANES, EDUARDO; ILLANES, DIANE
Reel/Frame 017492/0084 →
SECURITY INTEREST Recorded Jul 8, 2005
From: OTOLOGICS, LLC
To: AFFINITY VENTURES III, L.P.; INSULA PROPERTIES, LLC; STERLING TRUST COMPANY, CUSTODIAN; DEAN BELBAS, TRUSTEE OF THE DEAN BELBAS REVOCABLE TRUST; BRENT & KAREN BLACKEY; BOEHNEN, DAVID L.; JOHN & CARLYN BRYNGELSON; RICHARD D. CRAMER REVOCABLE TRUST; DACK CATTLE TRUST; BR DIRECT MARKETING; D & R INVESTMENT PARTNERSHIP; ALFRED & ROSE ERICKSON TRUST; FRISWOLD, FRED R.; JERRY & JANE GARBUTT; DORSEY R. GARDNER 2002 TRUST; KENNETH & NANCY J. GRANAT; GRANAT ELIZABETH W.; LES HARDY, JR. LIVING TRUST; KAY L. HARDY LIVING TRUST; JOSPEY FAMILY LIMITED PARTNERSHIP; KEOUGH, STEVEN J.; KING, JOHN J.; KING, MAUREEN; KRISTO, STEVEN J.; PIPER JAFFREY AS CUSTODIAN; WILLIAM LENZ & PAMELA JAMISON-LENZ; LEWIS, JR., HARRY T.; LINDAHL, DENNIS M.; MCFARLAND, RICHARD D.; OBERMAN, LAWRENCE A.; JOHN A. &KAREN J. MESLOW; MEYER, GERALD L.; PETER E. & JUDITH C. OBERMEYER; OLSETH, DALE R.; OLSETH FAMILY GRANDCHILDREN'S EDUCATIONAL TRUST; RAHN, NOEL P.; WAYNE & MARLENE ROGNLIN; PATRICK A. & KAREN D. SMITH; LESTER J. & DARLENE K. SWENSON; TOWNSEND, GEORGE; TRIGRAN INVESTMENTS, INC.; TSCHETTER RONALD A.; WARDEN, RICHARD H.; YOST PARTNERSHIP, L.P.; STEVEN J. & BARBARA B. ZAWADSKI
Reel/Frame 016755/0465 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 3, 2003
From: CONN, BRIAN M.; MILLER, SCOTT ALLAN III; BASINGER, DAVID L.
To: OTOLOGICS, LLC
Reel/Frame 014670/0646 →