Surgery – Endoscope – With particular distal tip configuration
Reexamination Certificate
2003-06-12
2009-10-20
Leubecker, John P (Department: 3739)
Surgery
Endoscope
With particular distal tip configuration
C600S182000, C600S160000
Reexamination Certificate
active
07604590
ABSTRACT:
A compact optical unit which comprises a light emitting section for emitting a light, a first optical element having a first reflecting section for reflecting a light which is emitted from the light emitting section, a second optical element having a second reflecting section which is disposed to face the first optical element, and a light condensing optical system for condensing a light is formed. The first reflecting section and the second reflecting section are disposed so as to be diagonal to an optical axis of a light which is incident to the first reflecting section and the second reflecting section, a light transmitting section is disposed in the first optical element for transmitting a light which is reflected by the second reflecting section so as to be incident to the light condensing optical system. By disposing the optical element such that a light beam is incident diagonally; therefore, it is possible to propose a compact optical unit having a high SN ratio which can be assembled easily by using a member for supporting the optical unit highly precisely.
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Hirata Tadashi
Tokuda Kazunari
Leubecker John P
Olympus Corporation
Scully , Scott, Murphy & Presser, P.C.
Smith Philip R
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