The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 10, 2025
Filed:
Dec. 21, 2020
Nikkiso Company Limited, Tokyo, JP;
Nikkiso Company Limited, Tokyo, JP;
Abstract
A medical device includes a case obtained by mating a liquid-phase-portion case and a gas-phase-portion case to each other, a membrane member as an elastic member with which a liquid-phase portion covered by the liquid-phase-portion case and a gas-phase portion covered by the gas-phase-portion case are separated from each other, fixing parts and at which the liquid-phase-portion case and the gas-phase-portion case that are mated to each other are fixed to each other, holding surfaces and between which a peripheral edge of the membrane member is held, and a sealing part that seals the entirety of the peripheral edge of the membrane member held between the holding surfaces and. The medical device has a releasing part that releases the pressure in an air gap produced between the sealing part and the fixing parts.