Safety device for medical treatment system

Details Safety device for medical treatment system Safety device for medical treatment system

1981-07-01

1983-12-27

Thaler, Michael H.

Surgery

Truss

Pad

128 6, 12830315, A61B 1736, A61B 106

Patent

active

044224575

ABSTRACT:
A medical treatment system provided with a safety device which prevents laser beams from being unnecessarily projected on a normal coeliac tissue around an affected coeliac region requiring medical treatment from a laser knife apparatus. When the operator approaches an eyepiece and is at a prescribed distance therefrom, then the safety device removes a mirror from a path of laser beams, enabling laser beams to be brought into a laser knife probe when a foot switch is closed. An infrared ray detector is provided in the eyepiece. When the operator approaches the eyepiece and is at the prescribed distance therefrom, an output signal from the infrared ray detector will be at a prescribed level. As a result, a solenoid controller is actuated to energize a solenoid. The mirror is removed from a path of the laser beams by the energized solenoid. Unless the operator approaches the eyepiece, the mirror remains in the path of laser beams, thereby preventing laser beams from being brought into the laser knife probe.

REFERENCES:
patent: 3273458 (1966-09-01), Kohler
patent: 3906953 (1975-09-01), Wallace
patent: 4209225 (1980-06-01), Kumiomi et al.

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