Method of positioning a patient arranged on a table top of a pat

Details Method of positioning a patient arranged on a table top of a pat Method of positioning a patient arranged on a table top of a pat

1991-01-11

1992-02-25

Smith, Ruth S.

Surgery

Truss

Perineal

1286531, 378 20, 378205, A61B 1722

Patent

active

050904019

ABSTRACT:
A method and apparatus for positioning a patient arranged on the top of a patient table wherein two X-ray images are formed from different perspectives after which they are stored. After the first X-ray image, the table top is displaced in two mutually perpendicular directions and a marker which is electronically superposed on the X-ray image on a monitor is also shifted until it is situated in the region in the X-ray image which is to be positioned. After a second X-ray exposure this operation is repeated. The shift of the marker in the different directions on the monitor or the displacement of the table top in the three spatial directions are not mutually independent but are derived from the value obtained at the end of the first positioning operation.

REFERENCES:
patent: 3991310 (1976-11-01), Morrison
patent: 4633494 (1986-12-01), Klausz
patent: 4730351 (1988-03-01), Heumann
patent: 4764944 (1988-08-01), Finlayson
patent: 4796613 (1989-01-01), Heumann et al.
patent: 4811725 (1989-03-01), Grasser
patent: 4829986 (1989-05-01), Eichler et al.
patent: 4877017 (1989-10-01), Hahn et al.

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