Robert W Corey

US Patent:

8047999, Nov 1, 2011

Filed:

Oct 31, 2008

Appl. No.:

12/262277

Inventors:

Yong K. Cho - Maple Grove MN, US
Tommy D. Bennett - Shoreview MN, US
Mark K. Erickson - Brooklyn Park MN, US
Maneesh Shrivastav - Blaine MN, US
Saul E. Greenhut - Aurora CO, US
Karen J. Kleckner - New Brighton MN, US
Charles P. Sperling - Minneapolis MN, US
Robert A. Corey - Roseville MN, US

Assignee:

Medtronic, Inc. - Minneapolis MN

International Classification:

A61B 5/02
A61N 1/00

US Classification:

600508, 600485, 607 18

Abstract:

A system and method for filtering a pressure signal in a medical device in which a sensor terminal senses the pressure signal, an electrode terminal receives cardiac electrical signals, a signal filtering system filters the sensed pressure signal in response to a determined heart rate to generate a heart-rate dependent frequency response, and a microprocessor derives a respiration signal in response to the heart rate dependent frequency response, and determines metrics of hemodynamic function in response to the derived respiration signal.

US Patent:

8155758, Apr 10, 2012

Filed:

Apr 27, 2006

Appl. No.:

11/380567

Inventors:

Glenn M. Roline - Anoka MN, US
Michael B. Terry - Camas WA, US
Jonathan P. Roberts - Coon Rapids MN, US
James D. Reinke - Maple Grove MN, US
Robert A. Corey - Roseville MN, US

Assignee:

Medtronic, Inc. - Minneapolis MN

International Classification:

A61N 1/37

US Classification:

607119, 607 6, 607 17, 607 36

Abstract:

This disclosure relates to fault tolerant instantiations of a cardiac therapy delivery device such as an implantable cardiac stimulator (e. g. , an implantable pulse generator, IPG, and/or an implantable cardioverter-defibrillator, ICD) coupled to an implantable physiologic sensor (IPS). According to the disclosure delivery of cardiac pacing and/or cardioversion-defibrillator therapy delivery can cause errors in output signals from an IPS. Resolution of such errors involves selectively energizing (or disconnecting the output signal from) the IPS during pacing and/or defibrillation therapy delivery. Programmable signal “blanking” in lieu of or in addition to the foregoing also improves the integrity of the output signal (i. e. , continuously energize the IPS and ignore parts of the output signal). An ICD having a transient weakness in an insulated conductor used for the IPS signal can likewise have the IPS de-energized and/or blank the IPS output signal during high voltage therapy delivery.

US Patent:

8202223, Jun 19, 2012

Filed:

Oct 31, 2008

Appl. No.:

12/262320

Inventors:

Yong K. Cho - Maple Grove MN, US
Tommy D. Bennett - Shoreview MN, US
Mark K. Erickson - Brooklyn Park MN, US
Maneesh Shrivastav - Blaine MN, US
Saul E. Greenhut - Aurora CO, US
Karen J. Kleckner - New Brighton MN, US
Charles P. Sperling - Minneapolis MN, US
Robert A. Corey - Roseville MN, US

Assignee:

Medtronic, Inc. - Minneapolis MN

International Classification:

A61B 5/08
A61B 5/02

US Classification:

600484, 600485, 600486, 600529

Abstract:

A method of determining respiratory effort in a medical device in which pressure signals are sensed to generate corresponding sample points, an inspiration and an expiration are detected in response to the sensed pressure signals, a breath is detected in response to the detected inspiration and the detected expiration, and the respiratory effort is determined in response to the detected breath.

US Patent:

8231536, Jul 31, 2012

Filed:

Oct 31, 2008

Appl. No.:

12/262307

Inventors:

Yong K. Cho - Maple Grove MN, US
Tommy D. Bennett - Shoreview MN, US
Mark K. Erickson - Brooklyn Park MN, US
Maneesh Shrivastav - Blaine MN, US
Saul E. Greenhut - Aurora CO, US
Karen J. Kleckner - New Brighton MN, US
Charles P. Sperling - Minneapolis MN, US
Robert A. Corey - Roseville MN, US

Assignee:

Medtronic, Inc. - Minneapolis MN

International Classification:

A61B 5/08
A61B 5/02

US Classification:

600484, 600485, 600486, 600529

Abstract:

A medical device for determining a respiratory effort having a pressure sensor to sense pressure signals, a housing having system components positioned therein, and a microprocessor positioned within the housing, wherein the microprocessor detects an inspiration and an expiration in response to the pressure signals, detects a breath in response to the detected inspiration and the detected expiration, and determines the respiratory effort in response to the detected breath.

US Patent:

8396563, Mar 12, 2013

Filed:

Jan 29, 2010

Appl. No.:

12/697070

Inventors:

James D. Reinke - Maple Grove MN, US
Robert M. Ecker - Lino Lakes MN, US
Kaustubh R. Patil - Blaine MN, US
Michael B. Terry - Camas WA, US
Jonathan P. Roberts - Coon Rapids MN, US
Robert A. Corey - Arden Hills MN, US

Assignee:

Medtronic, Inc. - Minneapolis MN

International Classification:

A61N 1/36
A61N 1/378

US Classification:

607 60, 607 32, 607 2

Abstract:

This disclosure is directed to the synchronization of clocks of a secondary implantable medical device (IMD) to a clock of a primary IMD. The secondary IMD includes a communications clock. The communications clock may be synchronized based on at least one received communications pulse. The secondary IMD further includes a general purpose clock different than the communications clock. The general purpose clock may be synchronized based on at least one received power pulse. The communications clock may also be synchronized based on the at least one received power pulse.

US Patent:

8504165, Aug 6, 2013

Filed:

Jan 22, 2013

Appl. No.:

13/746818

Inventors:

Robert M. Ecker - Lino Lakes MN, US
Kaustubh R. Patil - Blaine MN, US
Michael B. Terry - Camas WA, US
Jonathan P. Roberts - Coon Rapids MN, US
Robert A. Corey - Arden Hills MN, US

Assignee:

Medtronic, Inc. - Minneapolis MN

International Classification:

A61N 1/36
A61N 1/378

US Classification:

607 60, 607 2, 607 32

Abstract:

This disclosure is directed to the synchronization of clocks of a secondary implantable medical device (IMD) to a clock of a primary IMD. The secondary IMD includes a communications clock. The communications clock may be synchronized based on at least one received communications pulse. The secondary IMD further includes a general purpose clock different than the communications clock. The general purpose clock may be synchronized based on at least one received power pulse. The communications clock may also be synchronized based on the at least one received power pulse.

US Patent:

20100076323, Mar 25, 2010

Filed:

Oct 31, 2008

Appl. No.:

12/262300

Inventors:

Maneesh Shrivastav - Blaine MN, US
Yong K. Cho - Maple Grove MN, US
Tommy D. Bennett - Shoreview MN, US
Mark K. Erickson - Brooklyn Park MN, US
Saul E. Greenhut - Aurora CO, US
Karen J. Kleckner - New Brighton MN, US
Charles P. Sperling - Minneapolis MN, US
Robert A. Corey - Roseville MN, US

International Classification:

A61B 5/0205

US Classification:

600484, 600529

Abstract:

An apparatus for determining a respiration parameter in a medical device in which a pressure sensor senses pressure signals, and a signal processor, coupled to the pressure sensor, receives the sensed pressure signals and generates corresponding sample points. A microprocessor continuously adjusts a breath detection threshold in response to the generated sample points to generate a current adjusted breath detection threshold, compares a current generated sample point to the current adjusted breath detection threshold, suspends the continuous adjusting of the breath detection threshold and sets the breath detection threshold equal to the most current adjusted breath detection threshold generated prior to the suspending, and determines the respiration parameter in response to a comparing of a next generated sample point to the set breath detection threshold

US Patent:

20130289635, Oct 31, 2013

Filed:

Apr 25, 2012

Appl. No.:

13/455264

Inventors:

Robert A. Corey - Arden Hills MN, US

International Classification:

A61N 1/365
A61N 1/39

US Classification:

607 4, 607 17

Abstract:

The accuracy of data processing operations in an electronic device is improved through reductions in errors associated with data acquisition, reading, and transmission. In one embodiment, two or more modules of an integrated circuit are operated at different clock speeds and a voting scheme is utilized to obtain a valid data value from one of the modules. The disclosure describes methods, devices and systems that utilize the voting schemes to eliminate errors induced by race conditions in obtaining valid data values during data transfer by obtaining a plurality of data samples while the communicating modules are operating at the different clock speeds and selecting from among the data samples the valid data value.