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:
Mar. 01, 2011
Filed:
Sep. 13, 2006
Brian R. Blischak, Allen, TX (US);
Brian R. Blischak, Allen, TX (US);
Advanced Neuromodulation Systems, Inc., Plano, TX (US);
Abstract
In one embodiment, an implantable drug pump device comprises: a port for transferring infusate to the device; a collapsible reservoir for storing infusate received via the port; the port extending through a housing of the device and into the reservoir; the reservoir comprising a bottom surface that moves in relation to an amount of infusate in the reservoir; the bottom surface being connected to an extensible structure; and wherein when the reservoir is at least partially emptied of infusate, the reservoir is in a substantially collapsed state with the bottom surface being disposed above an interior surface of the port and the extensible structure surrounds a portion of the port that extends into the housing.