Title:
スコープ加温装置
Document Type and Number:
Japanese Patent JP4776617
Kind Code:
B2
Abstract:
A warming device (30) for warming the lens portion (2) of an optical instrument (1), such as a laparoscope, to a temperature above ambient to prevent lens fogging comprising: a double walled cylindrical tube (3) having an internal wall (3b), and an external wall (3a), an upper surface and an open distal portion (7) with a central cavity (4) therebetween; a protrusion (9) extending from said upper surface, sized and shaped to receive the lens portion; a circular cap (5) sized to attach to said distal portion of said double walled cylindrical tube; and, a heating element (15) enclosed within said central cavity and thermally coupled to said insulation layer.
Inventors:
Blackhurst michael joseph
Murphy Robert Ashton
Gulliver Lawrence
Murphy Robert Ashton
Gulliver Lawrence
Application Number:
JP2007507266A
Publication Date:
September 21, 2011
Filing Date:
April 05, 2005
Export Citation:
Assignee:
Fisher and Payel Healthcare Limited
International Classes:
A61B1/00; A61B1/12; A61B1/313; G02B23/24; G02B27/00
Foreign References:
| US20020022762 | ||||
| US5910106 | ||||
| US5651757 | ||||
| US5549543 | ||||
| US6354992 | ||||
| US5351675 | ||||
| EP1153567A1 |
Attorney, Agent or Firm:
Sadao Kumakura
Fumiaki Otsuka
Shishido Kaichi
Disciple Maru Ken
Ino Sato
Fumiaki Otsuka
Shishido Kaichi
Disciple Maru Ken
Ino Sato