Inventor

John D. Wahlstrand

Inventor
Shoreview, MN, US

Overview

39→
Patents
1993–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 39 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Nprimary
A61NElectrotherapy71%
A61BDiagnosis16%
G01RMeasuring electric variables2%
G11CStatic stores2%
G16HHealthcare informatics, i.e. information and communication technology [ict] specially adapted for the handling or processing of medical or healthcare data2%
G16ZInformation and communication technology [ict] specially adapted for specific application fields, not otherwise provided for2%
H02JElectric power networks2%
H10BElectronic memory devices2%
H10NElectric solid-state devices not otherwise provided for2%
PatentTitleYear
11,013,929Power management for an implantable device202110,780,261Pacing output K-factor improvements202010,556,118Extra-cardiovascular pacing by an implantable cardioverter defibrillator202010,449,362Extra-cardiovascular cardiac pacing system for delivering composite pacing pulses201910,350,425Tachyarrhythmia induction by an extra-cardiovascular implantable cardioverter defibrillator201910,155,119Extra-cardiovascular pacing using high-voltage therapy circuitry of an implantable cardioverter defibrillator201810,080,905Extra-cardiovascular pacing by an implantable cardioverter defibrillator201810,046,168Tachyarrhythmia induction by an extra-cardiovascular implantable cardioverter defibrillator20189,802,055'Ultrasound powered pulse delivery device'20179,731,138'System and method for cardiac pacing'20178,965,506'Fault tolerant pacing'20158,688,223'Implantable medical device impedance measurement module for communication with one or more lead-borne devices'20148,612,167'Estimating remaining battery service life in an implantable medical device'20138,478,402'Determining intercardiac impedance'20138,463,382'Implantable lead functional status monitor and method'20138,050,763'Isolation circuitry and method for gradient field safety in an implantable medical device'20117,797,047'Implantable lead functional status monitor and method'20107,729,770'Isolation circuitry and method for gradient field safety in an implantable medical device'20107,031,772'Method and apparatus for rate responsive adjustments in an implantable medical device'20066,925,331'EGM signal acquisition and processing system'20056,788,973'Apparatus and method to discriminate between telemetry downlink signals and noise in an implanted device'20046,721,600'Implantable lead functional status monitor and method'20046,681,135'System and method for employing temperature measurements to control the operation of an implantable medical device'20046,512,949'Implantable medical device for measuring time varying physiologic conditions especially edema and for responding thereto'20036,317,633'Implantable lead functional status monitor and method'20016,208,900'Method and apparatus for rate-responsive cardiac pacing using header mounted pressure wave transducer'20016,154,675'Resetting ERI/POR/PIR/indicators in implantable medical devices'20005,902,325'Method and apparatus for detecting cardiac capture'19995,899,927'Detection of pressure waves transmitted through catheter/lead body'19995,843,137'Capture detection method'19985,824,029'Implantable medical system for performing transthoracic impedance measurements associated with cardiac function'19985,782,890'Method for heart transplant monitoring and analog telemetry calibration'19985,713,933'Method and apparatus for automatic pacing threshold determination'19985,702,427'Verification of capture using pressure waves transmitted through a pacing lead'19975,562,711'Method and apparatus for rate-responsive cardiac pacing'19965,534,018'Automatic lead recognition for implantable medical device'19965,438,990'Magnetic field sensor'19955,402,794'Method and apparatus for heart transplant monitoring and analog telemetry calibration'19955,271,395'Method and apparatus for rate-responsive cardiac pacing'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2021Patents assigned to MEDTRONIC INC (37)· patent assignee history
1993–2021Based in Shoreview, MN, US· patent location history
2013–2014Patents assigned to WAHLSTRAND JOHN D (4)· patent assignee history
2013Patents assigned to BUSACKER JAMES W (1)· patent assignee history
2013Patents assigned to CRESPI ANN M (1)· patent assignee history
2013Patents assigned to DENISON TIMOTHY J (1)· patent assignee history
2020Based in Shorevew, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MEDTRONIC INC371993–2021
WAHLSTRAND JOHN Dself42013–2014
BUSACKER JAMES W12013
CRESPI ANN M12013
DENISON TIMOTHY J12013
Locations
LocationPatentsSpan
Shoreview, Minnesota, US381993–2021
Shorevew, Minnesota, US12020