Signalling particles for introduction into blood flowing through

Details Signalling particles for introduction into blood flowing through Signalling particles for introduction into blood flowing through

1978-07-21

1980-09-23

Padgett, Benjamin R.

Drug, bio-affecting and body treating compositions

Radionuclide or intended radionuclide containing; adjuvant...

Molecular bilayer structure

128 12, 424 15, 424 9, A61K 2900, A61K 4300

Patent

active

042243033

ABSTRACT:
Particulate sources of signal which can be detected outside the body of a patient are introduced into the circulating blood and are tracked in three dimensions in the region of the heart using suitable detectors disposed about the patient's chest. This permits the sequence of positions of each particle to be recorded as a function of time as each particle flows through a coronary vessel. Data analyses of these recordings of particle positions provide information about the velocity of blood flow through the course of each coronary artery. This velocity information is used to determine the extent, severity and location of stenotic lesions of the coronary arteries.

REFERENCES:
patent: 3812245 (1974-05-01), Dugan
patent: 3933996 (1976-01-01), Charlton et al.
patent: 3995020 (1976-11-01), Dandamudi
patent: 4126669 (1978-11-01), Rothman et al.

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