High power semiconductor laser diode

Details High power semiconductor laser diode High power semiconductor laser diode

2006-04-25

2006-04-25

Farah, A. (Department: 3735)

Surgery

Instruments

Light application

C606S010000, C606S011000

Reexamination Certificate

active

07033350

ABSTRACT:
The present invention relates to a portable laser treatment device, comprising case (10), semiconductor laser diode (11) which is installed inside the case (10) and irradiates laser, condensing lens (12) which is installed in front of the semiconductor laser diode (11), power supply, power switch (30) which is installed outside the case (10) and controls the supply of power, irradiation switch (31) which controls the irradiation of laser and controller (32) which controls the operation of the device according to the state of to switches, wherein distance detecting sensor (40) is installed on the case (10) to measure the distance between an irradiated surface and condensing lens (12) and said controller (32) receives signal from the distance detecting sensor (40) and cuts off laser irradiation when the distance between the irradiated surface and condensing lens (12) is greater than focal distance of the condensing lens (12).

REFERENCES:
patent: 5947957 (1999-09-01), Morris
patent: 6733493 (2004-05-01), Gruzdev et al.
patent: 6758845 (2004-07-01), Weckwerth et al.
patent: 6955672 (2005-10-01), Cense et al.

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