P

Inventor

MCDONALD RAY S

US22 patents
⚠️ This page may combine multiple inventors who share the name “MCDONALD RAY S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MEDTRONIC INC

21 patents
US5171228ADec 15, 1992

Apparatus for medical instrument placement verification

MEDTRONIC INC171 citations99
US5009644AApr 23, 1991

Needle placement verifier

MEDTRONIC INC151 citations99
US5006115AApr 9, 1991

Needle placement sensor

MEDTRONIC INC211 citations99
US4401120AAug 30, 1983

Digital cardiac pacemaker with program acceptance indicator

MEDTRONIC INC66 citations96
US4257423AMar 24, 1981

Medical device

MEDTRONIC INC60 citations96
US4340062AJul 20, 1982

Body stimulator having selectable stimulation energy levels

MEDTRONIC INC84 citations94
US4253466AMar 3, 1981

Temporary and permanent programmable digital cardiac pacemaker

MEDTRONIC INC61 citations94
US5351696AOct 4, 1994

Method and apparatus for intracardiac electrogram morphologic analysis

MEDTRONIC INC72 citations92
US4276883AJul 7, 1981

Battery monitor for digital cardiac pacemaker

MEDTRONIC INC42 citations92
US4273132AJun 16, 1981

Digital cardiac pacemaker with threshold margin check

MEDTRONIC INC50 citations92
US4273133AJun 16, 1981

Programmable digital cardiac pacemaker with means to override effects of reed switch closure

MEDTRONIC INC38 citations92
US4233985ANov 18, 1980

Multi-mode programmable digital cardiac pacemaker

MEDTRONIC INC40 citations90
US4515159AMay 7, 1985

Digital cardiac pacemaker with rate limit means

MEDTRONIC INC22 citations82
US4324252AApr 13, 1982

Memory control circuitry for implantable medical devices

MEDTRONIC INC15 citations74
US4275738AJun 30, 1981

Digital cardiac pacemaker clocking means

MEDTRONIC INC11 citations74
US4267843AMay 19, 1981

Means to inhibit a digital cardiac pacemaker

MEDTRONIC INC13 citations74
US4263915AApr 28, 1981

Digital cardiac pacemaker with hysteresis

MEDTRONIC INC15 citations74
US4241736ADec 30, 1980

Reset means for programmable digital cardiac pacemaker

MEDTRONIC INC9 citations74
US4236522ADec 2, 1980

Asynchronous/demand made programmable digital cardiac pacemaker

MEDTRONIC INC16 citations74
US4230120AOct 28, 1980

Energy compensation means for digital cardiac pacemaker

MEDTRONIC INC12 citations74
US4337777AJul 6, 1982

Rate limited pacer

MEDTRONIC INC2 citations60

BERKOVITS BAROUH V

1 patent