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US 5,312,249 AGranted
Unbreakable disposable photocuring guide
OwnerJohn Kennedyinventor
Life of this patent
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Abstract
A disposable dental curing light guide which can be made of a low cost polymer. The light guide can be radioactively sterilized and packed in a sterilized dispensing envelope to maintain it in a sterilized and clean state. The light guide can provide satisfactory transmission of light between 400 nm and 500 nm for dental curing purposes.
Claims1
A method of making a disposable dental curing guide comprising,
- moulding a rod member with a amorphous homopolymer material having a low refractive characteristics, said rod member having a larger cross sectional dimension at one end than a second end, and having peripheral surfaces tapering towards said second end, an arcuate bend formed in the proximity of said second end, said one end and said second end having a substantially flat end surface,
- cleaning said rod member to eliminate any contamination and foreign particles on all surfaces thereof, placing said rod member in a disposable container,
- sealing said container,
- sterilizing said rod member sealed in said container by subjecting said container with said rod member sealed therein to radiation sterilization.
1 more element
Dependencies are inferred from the claim text.