X-ray or gamma ray systems or devices – Specific application – Computerized tomography
Patent
1994-03-30
1996-07-02
Wong, Don
X-ray or gamma ray systems or devices
Specific application
Computerized tomography
378 64, 378 65, 378206, A61B 1722
Patent
active
055330827
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a computer tomograph consisting of a housing with an aperture for receiving the patient, in which housing computer-controlled scanning units are arranged for generating computer tomograms, and into which a motor-driven and also computer-controlled patient's couch can be driven from the front side of the housing.
The computer tomographs commonly used according to the state of the art are exclusively used for diagnostic purposes. They generate sectional pictures through the body of the patient arranged in various planes of section. The customary scanning units of computer tomographs operate with X-rays or on the basis of a measurement and evaluation of the magnetic core spin resonance in the body tissue of the patient to be examined. A particularity of the computer tomographs consists in that the tomograms cannot be produced immediately but only with some time delay because the arithmetic algorithm for the evaluation of the values measured in the scan requires very extensive arithmetic operations. However, such time delay now comes to only a few seconds due to the high efficiency of modern data processing equipment.
It is disadvantageous in connection with the conventional use of computer tomographs that the diagnosis, on the one hand, and the surgical intervention or purposeful treatment of the patient, on the other hand, are separated from each other in terms of place and time, so that there is the risk that between the making of the diagnosis and the intervention on the patient, information is lost. The knowledge of such information, however, is a precondition for the success of the intervention or treatment. Special problems are caused on account of the fact that on the operating table on which the actual operation is performed, the patient assumes in most cases a completely different body position than during the diagnosis in the computer tomograph, which makes it difficult to exactly localize the organs and body parts to be treated during the planning of the operation and during the subsequent operation.
Therefore, the problem of the invention is to further develop the computer tomograph of the type specified above in that as little information as possible is lost between the diagnosis and the intervention, and that the intervention or the treatment of the patient is as close as possible to the diagnosis in terms of place and time in order to permit a superior and more exact planning or execution of the operation or treatment.
For solving said problem, the invention proposes on the basis of the computer tomograph of the type specified above that the patient's couch is at the same time designed as an operating table; that several information displays connected with the computer, particularly in the form of display screens, are arranged on the front side of the housing; and that an operation and treatment area for the patient is arranged in front of the front side of the housing, with additional diagnostic and/or operative and/or therapeutic auxiliaries being associated with said area.
The computer tomograph according to the invention makes it possible to operate on or treat the patient in some other way directly in front of the computer tomograph, i.e., directly after the diagnosis with the help of computer tomograms and without having to transfer the patient to a separate operating table. Also, special operative and/or therapeutic auxiliaries can be used for the intervention or treatment, such as, for example, a surgical laser knife, a lithotripter, or devices for the radiation therapy etc. In this connection, current information from the diagnosis just made is available in each case to the treating physician on the display screens on the front side of the housing of the computer tomograph. Furthermore, additional patient data can be blended in on the information displays, or additional pictures can be displayed there that are helpful to the physician during the treatment or intervention.
Usefully, an X-ray tube is arranged on the front side of the housing above the patient's c
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Gronemeyer Dietrich H. W.
Seibel Rainer M. M.
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