X-ray or gamma ray systems or devices – Specific application – Computerized tomography
Patent
1993-06-02
1994-12-13
Porta, David P.
X-ray or gamma ray systems or devices
Specific application
Computerized tomography
378 8, 378 9812, A61B 603
Patent
active
053735439
ABSTRACT:
A computer tomography system, in addition to conducting a standard computer tomography scan, is capable of producing a shadowgraph prior to conducting the computer tomography examination with the measurement unit in a locked position, as well as one or more real time shadowgraphs during the computer tomography examination. The shadowgraph obtained with the measurement unit in the lock position can then be superimposed with one or more of the real time shadowgraphs obtained during the tomography examination, and the superimposed image displayed, so that patient and/or organ movement arising during the computer tomography examination can be immediately visually perceived.
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patent: 4216526 (1980-08-01), Karwoski
patent: 4352986 (1982-10-01), Pfeiler
patent: 4791934 (1988-12-01), Brunnett
patent: 5247556 (1993-09-01), Eckert et al.
"A 3-D Display with a Linearly Moving Mirror to Reflect a Series of 2-D Cross Sections and Its Application to Noninvasive Angiography," Yamanaka et al., IEEE Trans. on Med. Imag., vol. 7, No 3 (Sep., 1988), pp. 193-197.
Ackermann Rudolf
Rueckriem Reinhard
Porta David P.
Siemens Aktiengesellschaft
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