Medical viewing device

An instrument head is provided for attachment to a plurality of instrument handles having different power profiles. The instrument head contains an illumination assembly including at least one LED as well as a drive circuit for detecting a power profile of an attached instrument handle and convertin...

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Bibliographische Detailangaben
Hauptverfasser:	McMahon, Michael T, Slawson, Steven R, Perkins, David G, Perrault, Brian, Knieriem, Alan S, Fitch, Timothy R, Englert, Robert S, Lia, Raymond A, Vivenzio, Robert L
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	An instrument head is provided for attachment to a plurality of instrument handles having different power profiles. The instrument head contains an illumination assembly including at least one LED as well as a drive circuit for detecting a power profile of an attached instrument handle and converting variable voltages received from the attached instrument handle to a constant current for powering the at least one LED based on the power profile. Accordingly, the instrument head enables use with a plurality of instrument handles, including those originally configured for use only with incandescent light sources.