Monolithic irradiation handpiece

Details Monolithic irradiation handpiece Monolithic irradiation handpiece

2005-07-19

2005-07-19

Shay, David M. (Department: 3739)

Surgery

Instruments

Light application

C606S013000

Reexamination Certificate

active

06918905

ABSTRACT:
A handpiece for topical application of electromagnetic radiation is disclosed, consisting of a single monolithic transparent block covered by a semitransparent coating on the faces of the block not directed toward a treatment site. The block and coating are transparent to visible radiation, allowing the user a direct view of the treatment site. At the same time, for the safety of the user and a patient, the monolithic block has a coating of radiation blocking or absorbing material to selectively prevent treatment radiation from harming a user or patient. In a preferred embodiment, an optical fiber or fiber bundle coupled to a suitable power source is directly molded into the monolithic block. This invention is useful for a broad variety of laser applications, including the treatment of dermatological diseases and paint removal. The simple monolithic structure allows the device to be portable and practical in open environments. Optionally, the handpiece may contain cooling mechanisms to alleviate overheating of the treated site in high power situations. Other embodiments contain further safeguards including sensors to provide feedback to the power source for more precise control of radiation and thus are available in preferred embodiments.

REFERENCES:
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patent: 4998538 (1991-03-01), Charowsky et al.
patent: 5364390 (1994-11-01), Taboada et al.
patent: 5720772 (1998-02-01), Eckhouse
patent: 5728041 (1998-03-01), Fowler, Jr.
patent: 6228074 (2001-05-01), Almeida
patent: 6261310 (2001-07-01), Neuberger et al.
patent: 6595986 (2003-07-01), Almeida

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