Device for performing a photocoagulation operation on a biologic

Details Device for performing a photocoagulation operation on a biologic Device for performing a photocoagulation operation on a biologic

1986-06-30

1988-05-03

Corbin, John K.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

12830317, A61B 310, A61B 1736

Patent

active

047416122

ABSTRACT:
A control system for use with a conventional photocoagulation device for controlling the exposure parameters of irradiation of biological tissue, such as the fundus of an eye. The photocoagulation device includes a source of radiation, a means for initiating and terminating the source of radiation, and sensing means for measuring the extent of coagulation of the biological tissue. Exposure parameters of the device include exposure time and the wavelength spot size and power of the irradiating beam. The control system cooperates with the device for determining and regulating the exposure parameters in accordance with the unique mathematical relationship between the extent and progression of coagulation during a photocoagulation operation, thereby to terminate the photocoagulation operation should unsatisfactory results be anticipated.

REFERENCES:
patent: 4316467 (1982-02-01), Muckerheide
J. F. Bergmann-Verlag; 74th Convention German Ophthalmological Society, Munich 1977, pp. 420-427.

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