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:
Jul. 06, 2010
Filed:
Jun. 09, 2006
Mitsuo Tashiro, Tokyo, JP;
Shinichi Kataoka, Tokyo, JP;
Mitsuo Tashiro, Tokyo, JP;
Shinichi Kataoka, Tokyo, JP;
Pigeon Corporation, Tokyo, JP;
Abstract
A breast pump, including a housing container, a breast pump body having an attachment and detachment part, a negative pressure generating member attached to the breast pump body, and an operation unit. The breast pump body includes a diameter-expanded milking part, a small valve chamber, and an attachment part communicating with the small valve chamber and attaches thereto the negative pressure generating member that creates the negative pressure needed to express milk; the negative pressure generating member includes a connector to which the operation unit is connected, a comparatively soft attachment and detachment part having elasticity and attached detachably to the attachment part, a wall part having such rigidity that an external shape can be kept, and a deformable part provided on the inside of the wall part integrally with the wall part, is less thick than the wall part, and is deformed to create the negative pressure.