Fluorescence filter for tissue examination and imaging
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United States of America Patent
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Issued Date -
Dec 16, 2004
app pub date -
May 21, 2004
filing date -
May 22, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A tissue examination system is disclosed in various embodiments, generally including a handle, a lighting element, (such as an LED), a filter, and in some embodiments a mirror. In a preferred embodiment, a lighting element and filter are attached to the distal end of a handle so that fluorescence by the bodily tissue can be directly observed by the filter in various configurations. In another, a mirror is integrated with the filter and light assembly to reflect and filter fluoresced light to an observer, while in yet another, a shield blocks ambient light from interfering with the tissue examination by injecting additional light into the view.
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