Operating table system

Details Operating table system Operating table system

1999-10-07

2001-11-27

Dunn, Drew (Department: 2882)

X-ray or gamma ray systems or devices

Accessory

Object holder or support

C378S195000, C378S208000

Reexamination Certificate

active

06322251

ABSTRACT:

FIELD OF THE INVENTION
The invention concerns an operating table system for computer tomography supported operations on patients, including an operating table with a subframe and a patient support means releasably connected with the subframe.
BACKGROUND OF THE INVENTION
The creation of computer tomography (CT) pictures for diagnostic purposes and for preparing for operations is known. In this case the patient is customarily laid on a table unit arranged in front of the computer tomography system and its table plate is one which can be moved into the computer tomography system. If the patient is to be operated on immediately following this, he must be rebedded from this table onto the support surface of the operating table. With such a previously described process it is not possible during an operation to create a supplemental computer tomography picture since the patient during the operation cannot be moved, and in any event cannot have his support changed from the support surface of the operating table to another support.
The invention has as its object the provision of an operating table system of the above-mentioned kind which makes it possible to analyse the patient during an operation in a computer tomography system, which computer tomography system can be arranged directly in the vicinity of the operating room.
SUMMARY OF THE INVENTION
This object is solved in accordance with the invention in that the patient support surface means has a frame connected with the subframe and an x-ray permeable patient support plate longitudinally slidably guided in the frame and in that a support frame for receiving the support plate in a computer tomography device has a coupling station for transfer of the support plate from the operating table to the support frame and vice versa is connected.
By way of the solution of the invention, a patient can be moved from the operating table into the computer tomography system without him having to be moved on the support plate. Therefore, it is possible for example, to make a control picture by the computer tomography system during an operation and at the end of the operation without the patient having to be rebedded from the operating table support surface onto another under support.
Preferably, the coupling station has a drive for shifting the support plate from the subframe onto the support frame and vice versa, with this drive also being usable for moving the patient into the computer tomography system.
The drive can, for example, have drive rollers or gears, which shape-wise or force-wise grip the support plate. In keeping with this, the drive can at least include a motor driven or a toothed belt, which is designed to come into mesh with a rack provided on the patient support plate.
The patient support surface means can in a usual way be divided into several sections which are connected with one another so as to be pivotal about horizontal axes. In this case, the sections of the support plate which are pivotally movable relative to one another are preferably connected with one another by sheet hinges, so that no x-ray efficiency influencing metal hinges are necessary. In order that the patient can be moved as quickly, vibration-free and precisely as possible to the coupling station, it is practical if the subframe is shiftable on a guide track extending to the coupling station.
In order to have the possibility of having the x-rays pass through the person lying on the operating table, it is practical if the subframe has at least two support columns carrying the frame, which support columns are movable relative to one another or in common manually or by motor shifting on the guide tracks. In this way the space below the patient support surface means can sectionally be made entirely free in order to be able to push an x-ray device under the involved section of the patient support surface means. There also thereby exists the possibility to support different sections of the patient support surface if the other sections are to be moved to achieve specific body positions of the patient.
In a preferred embodiment of the invention the frame of the operating table has two longitudinal beams on which first guide tracks for the patient support plate and second guide tracks for cross beams connected with the support columns are formed. The sub-frame and the individual support columns can be adjustable in height.
Further features and advantages of the invention will be apparent from the following description which explains the invention by way of an exemplary embodiment in connection with the accompanying drawings.


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