US 12,290,387 B2
Cover for oral instrument
Toru Shimuta, Kyoto (JP)
Assigned to MURATA MANUFACTURING CO., LTD., Kyoto (JP)
Filed by Murata Manufacturing Co., Ltd., Kyoto (JP)
Filed on Oct. 20, 2021, as Appl. No. 17/505,828.
Application 17/505,828 is a continuation of application No. PCT/JP2020/007908, filed on Feb. 27, 2020.
Claims priority of application No. 2019-094553 (JP), filed on May 20, 2019.
Prior Publication US 2022/0039899 A1, Feb. 10, 2022
Int. Cl. A61B 50/00 (2016.01); A61B 5/0537 (2021.01)
CPC A61B 50/00 (2016.02) [A61B 5/0537 (2013.01); A61B 2050/002 (2016.02)] 10 Claims
OG exemplary drawing
 
1. A cover for covering at least a part of an oral instrument inserted into an oral cavity, the cover comprising:
a cover member having a bag shape, the cover member comprising a pair of sheets facing each other and partially bonded to each other, the pair of sheets defining an opening where the pair of sheets are not bonded to each other; and
a protective sheet comprising a bonded portion bonded to any one of the pair of sheets configuring the cover member, wherein
the protective sheet comprises a protruding portion that protrudes from an opening edge of the cover member when viewed in a thickness direction of the cover member, wherein the protruding portion is a non-bonded portion that is devoid of adhesive,
the bonded portion where the protective sheet and the one of the pair of sheets configuring the cover member are bonded to each other is disposed along the opening edge of the cover member,
wherein a support member comprises an attached portion that is attached to another sheet of the pair of sheets configuring the cover member,
the support member comprises a protruding portion that protrudes from the opening edge of the cover member when viewed in the thickness direction of the cover member, and
when a direction along the opening edge of the cover member is defined as a width direction, the protruding portion of the protective sheet protruding from the opening edge of the cover member partially has a length in the width direction larger than a length of the protruding portion of the support member protruding from the opening edge of the cover member.