Title:
ハイブリッド・レンズを備えた眼科用内視鏡照明機器
Document Type and Number:
Japanese Patent JP2011512879
Kind Code:
A
Abstract:
An ophthalmic endoilluminator has a light source, a collimating lens for collimating the light produced by the light source, a filter for filtering the collimated light, an attenuator for attenuating the filtered light, a hybrid condensing lens for focusing the attenuated light, and an optical fiber for carrying the focused light into an eye. A diffractive surface on the hybrid condensing lens compensates for the other refractive surfaces.
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Inventors:
Smith, Ronald Tee.
Application Number:
JP2010503104A
Publication Date:
April 28, 2011
Filing Date:
June 17, 2008
Export Citation:
Assignee:
Archon, Incorporated
International Classes:
A61F9/007; A61B19/00; G02B19/00
Domestic Patent References:
| JP2007500546A | 2007-01-18 | |||
| JPH08507977A | 1996-08-27 | |||
| JPH09311271A | 1997-12-02 | |||
| JP2000171741A | 2000-06-23 | |||
| JPH04212342A | 1992-08-03 | |||
| JPH11223765A | 1999-08-17 |
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Shinozaki Masami
Kazuyoshi Ohira
Yasushi Ohashi
Jun Tsuruta
Tetsuro Shimada
Shinozaki Masami
Kazuyoshi Ohira
Yasushi Ohashi