Ray S. McDonald

Person

St. Paul, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for intracardiac electrogram morphologic analysis
- Patent number 5,351,696
- Issue date Oct 4, 1994
- Medtronic, Inc.
- Kenneth M. Riff
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Apparatus for medical instrument placement verification
- Patent number 5,171,228
- Issue date Dec 15, 1992
- Medtronic, Inc.
- Ray S. McDonald
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Needle placement verifier
- Patent number 5,009,644
- Issue date Apr 23, 1991
- Medtronic, Inc.
- Ray S. McDonald
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Needle placement sensor
- Patent number 5,006,115
- Issue date Apr 9, 1991
- Medtronic, Inc.
- Ray S. McDonald
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Digital cardiac pacemaker with rate limit means
- Patent number 4,515,159
- Issue date May 7, 1985
- Medtronic, Inc.
- Ray S. McDonald
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Tachycardia treatment
- Patent number 4,421,114
- Issue date Dec 20, 1983
- Barouh V. Berkovits
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Digital cardiac pacemaker with program acceptance indicator
- Patent number 4,401,120
- Issue date Aug 30, 1983
- Medtronic, Inc.
- Jerome T. Hartlaub
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Body stimulator having selectable stimulation energy levels
- Patent number 4,340,062
- Issue date Jul 20, 1982
- Medtronic, Inc.
- David L. Thompson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Rate limited pacer
- Patent number 4,337,777
- Issue date Jul 6, 1982
- Medtronic, Inc.
- Jerome T. Hartlaub
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Memory control circuitry for implantable medical devices
- Patent number 4,324,252
- Issue date Apr 13, 1982
- Medtronic, Inc.
- Martin A. Rossing
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Battery monitor for digital cardiac pacemaker
- Patent number 4,276,883
- Issue date Jul 7, 1981
- Medtronic, Inc.
- Ray S. McDonald
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Digital cardiac pacemaker clocking means
- Patent number 4,275,738
- Issue date Jun 30, 1981
- Medtronic, Inc.
- Ray S. McDonald
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Digital cardiac pacemaker with threshold margin check
- Patent number 4,273,132
- Issue date Jun 16, 1981
- Medtronic, Inc.
- Jerome T. Hartlaub
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Programmable digital cardiac pacemaker with means to override effec...
- Patent number 4,273,133
- Issue date Jun 16, 1981
- Medtronic, Inc.
- Jerome T. Hartlaub
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Means to inhibit a digital cardiac pacemaker
- Patent number 4,267,843
- Issue date May 19, 1981
- Medtronic, Inc.
- Ray S. McDonald
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Digital cardiac pacemaker with hysteresis
- Patent number 4,263,915
- Issue date Apr 28, 1981
- Medtronic, Inc.
- Ray S. McDonald
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Medical device
- Patent number 4,257,423
- Issue date Mar 24, 1981
- Medtronic, Inc.
- Ray S. McDonald
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Temporary and permanent programmable digital cardiac pacemaker
- Patent number 4,253,466
- Issue date Mar 3, 1981
- Medtronic, Inc.
- Jerome T. Hartlaub
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Reset means for programmable digital cardiac pacemaker
- Patent number 4,241,736
- Issue date Dec 30, 1980
- Medtronic, Inc.
- Martin A. Rossing
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Asynchronous/demand made programmable digital cardiac pacemaker
- Patent number 4,236,522
- Issue date Dec 2, 1980
- Medtronic, Inc.
- Ray S. McDonald
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Multi-mode programmable digital cardiac pacemaker
- Patent number 4,233,985
- Issue date Nov 18, 1980
- Medtronic Inc.
- Jerome T. Hartlaub
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Energy compensation means for digital cardiac pacemaker
- Patent number 4,230,120
- Issue date Oct 28, 1980
- Medtronic, Inc.
- Ray S. McDonald
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Ray S. McDonald

Person

Patents Grantslast 30 patents

Method and apparatus for intracardiac electrogram morphologic analysis

Apparatus for medical instrument placement verification

Needle placement verifier

Needle placement sensor

Digital cardiac pacemaker with rate limit means

Tachycardia treatment

Digital cardiac pacemaker with program acceptance indicator

Body stimulator having selectable stimulation energy levels

Rate limited pacer

Memory control circuitry for implantable medical devices

Battery monitor for digital cardiac pacemaker

Digital cardiac pacemaker clocking means

Digital cardiac pacemaker with threshold margin check

Programmable digital cardiac pacemaker with means to override effec...

Means to inhibit a digital cardiac pacemaker

Digital cardiac pacemaker with hysteresis

Medical device

Temporary and permanent programmable digital cardiac pacemaker

Reset means for programmable digital cardiac pacemaker

Asynchronous/demand made programmable digital cardiac pacemaker

Multi-mode programmable digital cardiac pacemaker

Energy compensation means for digital cardiac pacemaker