X-ray or gamma ray systems or devices – Source support – Including object support or positioning
Patent
1991-08-13
1993-02-09
Church, Craig E.
X-ray or gamma ray systems or devices
Source support
Including object support or positioning
378209, H05G 102
Patent
active
051857782
ABSTRACT:
A bar mounted on an operating table on a platform fixedly mounted on a floor carries a switch adapted to be grasped by the hand of a surgeon operating on a patient on the table while x-rays are back-scattered from the table or patient. When the switch is activated to a first state the table is braked. When the switch is activated to a second state, forces manually imparted to an end of the bar by the surgeon are imparted to the table to move the table relative to the platform with the aid of a motor and linkage arrangement. An x-ray shield is interposed between the end of the bar and the table so the body of the operator, including the hand and arm, can be shielded from x-rays back-scattered from the table and/or patient while the hand is grasping the end of the bar and/or the switch. The shield and bar are arranged and dimensioned so that: (1) the operator can stand behind the bar when high intensity cine x-ray radiation is irradiating the patient and (2) the surgeon can stand between the shield and the end of the bar and manipulate an instrument, such as a heart catheterization tool, in proximity to the patient while low intensity fluoroscopy x-ray radiation is irradiating the patient.
REFERENCES:
patent: 3030508 (1962-04-01), Mort et al.
patent: 3868103 (1975-02-01), Pageot et al.
patent: 4287422 (1981-09-01), Kuphal et al.
patent: 4298801 (1981-11-01), Heitman et al.
patent: 4926456 (1990-05-01), Bock et al.
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