Assignee
SIEMENS GAMMASONICS
US81 patents
Top patents by PatentIndex Score
US5210423AMay 11, 1993
Method and apparatus for unpiling pulses generated by piled-up scintillation events
SIEMENS GAMMASONICS59 citations96
US4437161AMar 13, 1984
Medical imaging apparatus
SIEMENS GAMMASONICS61 citations96
US5249124ASep 28, 1993
Multi-isotope imaging using energy-weighted acquisition for, e.g., myocardial perfusion studies
SIEMENS GAMMASONICS51 citations95
US4298944ANov 3, 1981
Distortion correction method and apparatus for scintillation cameras
SIEMENS GAMMASONICS66 citations95
US4649930AMar 17, 1987
Apparatus for beat buffering techniques varified by arrhythmias detection for stopaction frames of cardiac function
SIEMENS GAMMASONICS125 citations94
US4549552AOct 29, 1985
Heart sound detector and cardiac cycle data are combined for diagnostic reliability
SIEMENS GAMMASONICS98 citations94
US4548204AOct 22, 1985
Apparatus for monitoring cardiac activity via ECG and heart sound signals
SIEMENS GAMMASONICS129 citations94
US4546777AOct 15, 1985
Heart sound detector and synchronization for diagnostics
SIEMENS GAMMASONICS91 citations94
US4446873AMay 8, 1984
Method and apparatus for detecting heart sounds
SIEMENS GAMMASONICS71 citations94
US4652759AMar 24, 1987
Counterbalanced radiation detection system
SIEMENS GAMMASONICS29 citations92
US4593189AJun 3, 1986
Proximity detector for a body scanner
SIEMENS GAMMASONICS27 citations92
US4590378AMay 20, 1986
Counterbalanced radiation detection device
SIEMENS GAMMASONICS28 citations92
US4583187AApr 15, 1986
Method and circuit for stabilizing conversion gain of radiation detectors of a radiation detection system
SIEMENS GAMMASONICS29 citations92
US4454422AJun 12, 1984
Radiation detector assembly for generating a two-dimensional image
SIEMENS GAMMASONICS45 citations92
US4398116AAug 9, 1983
Transducer for electronic focal scanning in an ultrasound imaging device
SIEMENS GAMMASONICS52 citations92
US4323977AApr 6, 1982
Non-uniformity energy correction method and apparatus
SIEMENS GAMMASONICS43 citations92
US4865284ASep 12, 1989
Collimator storage device in particular a collimator cart
SIEMENS GAMMASONICS81 citations91
US4401957AAug 30, 1983
Permutating analog shift register variable delay system
SIEMENS GAMMASONICS39 citations91
US4267584AMay 12, 1981
Permutating analog shift register variable delay system
SIEMENS GAMMASONICS51 citations91
US5075554ADec 24, 1991
Scintillation camera gantry supporting a plurality of detector heads between two parallel plates
SIEMENS GAMMASONICS50 citations89
US4817038AMar 28, 1989
Radiation signal processing system
SIEMENS GAMMASONICS25 citations89
US5148029ASep 15, 1992
Improved seal scintillation camera module and method of making it
SIEMENS GAMMASONICS29 citations88
US5077769ADec 31, 1991
Device for aiding a radiologist during percutaneous transluminal coronary angioplasty
SIEMENS GAMMASONICS46 citations86
US4688780AAug 25, 1987
Patient support
SIEMENS GAMMASONICS105 citations86
US4466075AAug 14, 1984
Motion correction circuitry and method for a radiation imaging device
SIEMENS GAMMASONICS38 citations86
US5072121ADec 10, 1991
Body contour determining apparatus for a rotating gamma camera
SIEMENS GAMMASONICS23 citations85
US4450706AMay 29, 1984
Method and apparatus for forming collimator strips
SIEMENS GAMMASONICS56 citations85
US5047641ASep 10, 1991
Scintillation camera with automatically counterbalanced gantry
SIEMENS GAMMASONICS26 citations84
US4752691AJun 21, 1988
Method and apparatus for compensating finite angular resolution in collimated scintillation cameras
SIEMENS GAMMASONICS23 citations81
US4523091AJun 11, 1985
Radiation detecting apparatus with reduced magnetic field sensitivity
SIEMENS GAMMASONICS24 citations81
US4481419ANov 6, 1984
Attenuation zone plate
SIEMENS GAMMASONICS23 citations81
US4419763ADec 6, 1983
Variable slanted channel collimator
SIEMENS GAMMASONICS22 citations81
US4692625ASep 8, 1987
Detector head mounting mechanism and supporting structure
SIEMENS GAMMASONICS20 citations80
US4473843ASep 25, 1984
Digital radiographic system and method for adjusting such system
SIEMENS GAMMASONICS28 citations80
US4430749AFeb 7, 1984
Medical imaging apparatus and method for furnishing difference images
SIEMENS GAMMASONICS27 citations80
US4316257AFeb 16, 1982
Dynamic modification of spatial distortion correction capabilities of scintillation camera
SIEMENS GAMMASONICS25 citations79
US4446570AMay 1, 1984
Collimator for a radiation detector and method of making same
SIEMENS GAMMASONICS20 citations77
US5142558AAug 25, 1992
Method and apparatus for determining the success of a PTCA procedure
SIEMENS GAMMASONICS21 citations75
US5001347AMar 19, 1991
Focussing collimators for use in rotational camera transaxial SPECT in which the camera head is inclined with respect to the axis of rotation
SIEMENS GAMMASONICS15 citations74
US4823017AApr 18, 1989
Scintillation camera and multifocal fan-beam collimator used therein
SIEMENS GAMMASONICS9 citations74
US4820924AApr 11, 1989
Scintillation camera and three dimensional multifocal collimator used therewith
SIEMENS GAMMASONICS6 citations74
US4774410ASep 27, 1988
Asymmetric S.P.E.C.T. collimator which surrounds the patient
SIEMENS GAMMASONICS14 citations74
US5059798AOct 22, 1991
Frangible bonding of photomultiplier tubes for use in scintillation cameras and PET scanners
SIEMENS GAMMASONICS15 citations73
US4879465ANov 7, 1989
Detector module for scintillation cameras
SIEMENS GAMMASONICS12 citations73
US4849638AJul 18, 1989
Single-focus collimator and scintillation camera system and method for using it
SIEMENS GAMMASONICS12 citations73
US4810885AMar 7, 1989
Heated scintillator
SIEMENS GAMMASONICS8 citations73
US4692890ASep 8, 1987
Method and integrator circuit for integrating signals, in particular for scintillation gamma camera
SIEMENS GAMMASONICS19 citations73
US4670657AJun 2, 1987
Astigmatic collimator
SIEMENS GAMMASONICS14 citations73
US4663187AMay 5, 1987
Scintillation crystal and method of making it
SIEMENS GAMMASONICS6 citations73
US4659935AApr 21, 1987
Bilateral collimator for rotational camera transaxial SPECT imaging of small body organs
SIEMENS GAMMASONICS13 citations73
Showing the top 50 of 81 patents by PatentIndex Score.