US 12,376,933 B2
Microscope drape
Tsurashi Yamane, Funabashi (JP)
Assigned to MEILLEUR CO., LTD, Funabashi (JP)
Appl. No. 18/867,621
Filed by MEILLEUR CO., LTD., Funabashi (JP)
PCT Filed Nov. 10, 2023, PCT No. PCT/JP2023/040597
§ 371(c)(1), (2) Date Nov. 20, 2024,
PCT Pub. No. WO2025/099931, PCT Pub. Date May 15, 2025.
Prior Publication US 2025/0152288 A1, May 15, 2025
Int. Cl. A61B 46/10 (2016.01); A61B 90/20 (2016.01); G02B 27/00 (2006.01)
CPC A61B 46/10 (2016.02) [A61B 90/20 (2016.02); G02B 27/0006 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A microscope drape comprising:
a lens cap unit to be attached to and detached from a housing of an objective lens of a surgical microscope;
a protective lens for protecting the objective lens; and
a drape main body for covering the surgical microscope, wherein
the lens cap unit includes:
a cylindrical body having an inner diameter being larger than that of the housing; and
a plurality of protrusions provided at positions spaced apart from each other in a circumferential direction of the cylindrical body to protrude inwardly in respective radial directions from an inner curved surface of the cylindrical body;
the plurality of protrusions includes:
a movable protrusion supported so as to be retractable in the cylindrical body; and
at least one fixed protrusion fixedly protruding from the inner curved surface of the cylindrical body,
the lens cap unit further includes a biasing member for biasing the movable protrusion in a direction of protruding from the inner curved surface of the cylindrical body, and
the protective lens is supported at a distal end of the cylindrical body with being tilted with respect to an optical axis of the objective lens.