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:
Dec. 27, 2005
Filed:
Jan. 17, 2002
Charles Rogers, Maple Grove, MN (US);
Warren Starkebaum, Plymouth, MN (US);
Raymond Mcmullen, Shorewood, MN (US);
Charles Rogers, Maple Grove, MN (US);
Warren Starkebaum, Plymouth, MN (US);
Raymond McMullen, Shorewood, MN (US);
Medtronic, Inc., Minneapolis, MN (US);
Abstract
An implantable drug delivery device is provided with a passive flow control device is provided in the form of a valve which may assume two flow states. Flow control is achieved by duty cycling the valve using a control module which generates appropriate signals in response to an input telemetry signal corresponding to a desired flow rate. In another embodiment, a passively controlled bolus delivery device is provided to deliver a bolus of drug in addition to normal dosage.