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.

Date of Patent:
Mar. 24, 2020

Filed:

Jul. 24, 2017
Applicant:

Palo Alto Research Center Incorporated, Palo Alto, CA (US);

Inventors:

David Mathew Johnson, San Francisco, CA (US);

Martin Sheridan, Redwood City, CA (US);

Scott A. Uhland, San Jose, CA (US);

Ramkumar Abhishek, Mountain View, CA (US);

Eric Peeters, Mountain View, CA (US);

Timothy J. Curley, San Carlos, CA (US);

Felicia Linn, San Jose, CA (US);

Philipp H. Schmaelzle, Los Altos, CA (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 31/00 (2006.01); A61D 7/00 (2006.01); A61M 5/145 (2006.01);
U.S. Cl.
CPC ...
A61M 31/002 (2013.01); A61D 7/00 (2013.01); A61M 5/1452 (2013.01); A61M 2210/1433 (2013.01); A61M 2210/1475 (2013.01);
Abstract

Retention devices and methods are provided for drug delivery. The device may include a housing configured for intraluminal deployment into a human or animal subject and at least one reservoir contained within the housing. The at least one reservoir may have an actuation end and a release end and contain at least one drug formulation. A plug may be contained within the at least one reservoir and be moveable from the actuation end toward the release end. The device may also include an actuation system operably connected to the actuation end of the at least one reservoir and configured to drive the at least one drug formulation from the reservoir. The device may also include at least one retention member affixed to the housing and movable between a non-stressed position, a deployment position, and a retention position for retaining the device in an intraluminal location in the subject.


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