The Invention Of Operation Table

The invention concerns an operation table comprising a telescopic supporting column on which is mounted a support device with rotating mounting for a divisible, rotatable ring in which are mounted one above the other two beds for a patient to lie on where the beds with their support device are rotatable in the vertical plane.

There are a number of known devices for enabling the turning and movement of an operation table on which a patient who is to be operated on is lying. Particularly in the case of back operations and brain operations, but also for some other types of operations it may be vital to be able to place the patient in exactly the right position, with the correct curvature of the back or at a particular angle for the best possible angle of incidence to the operating site. It can also be important to be able to tilt the patient during the operation in order to avoid vomiting and nausea. Furthermore, it is important to be able to turn the patient when the patient's head has to be facing upwards for the administration of the anesthetic, while having to turn him afterwards in the case of, e.g., a back operation, a task which can involve the personnel in some fairly hard work. Moreover, there can be problems if a badly injured person has to be lifted on to a table while simultaneously having to be careful to move him as little as possible.

This problem has led to the development of a number of different variants of revolving and rotating operating tables. Thus, for example, from French patent No. 2 585 240 there is a known operating table's support column with a ring-shaped element into which an operating table or bed can be introduced and where an opposite bed is permanently mounted in the ring. By securing the patient between these beds, the ring can then be turned and the patient moved into the required position. However, this device is relatively awkward to use and the ring may get in the way during the operation.

Moreover, from US patent No. 3 302 218 a further device with a rotatable ring is known in which a bed is used. The ring is in two parts with a hinged connection enabling it to be opened. hen a patient has to be turned after he has been lifted on to the bed, the ring is opened and a second bed is placed over the patient to secure him, after which the ring is turned 180°, the ring is opened and the patient can be released from the upper bed. This device is limited to one rotation of 180° and in this design too the ring will be in the way.

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