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 JP5571546
Kind Code:
B2
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.
Inventors:
Smith, Ronald Tea.
Application Number:
JP2010503104A
Publication Date:
August 13, 2014
Filing Date:
June 17, 2008
Export Citation:
Assignee:
Al Cong, Incorporated
International Classes:
A61F9/007; A61B19/00; G02B19/00
Attorney, Agent or Firm:
Aoki 篤
Tetsuro Shimada
Mitsuhashi Shinji
Koichi Ito
Tetsuro Shimada
Mitsuhashi Shinji
Koichi Ito