Michael J Garrison

US Patent:

7625399, Dec 1, 2009

Filed:

Oct 10, 2006

Appl. No.:

11/545746

Inventors:

Brian C. Case - Lake Villa IL, US
Jacob A. Flagle - Indianapolis IN, US
Michael L. Garrison - Indianapolis IN, US

Assignee:

Cook Incorporated - Bloomington IN

International Classification:

A61F 2/06

US Classification:

623 115, 623 117, 623 122

Abstract:

Implantable frames for use in body passages are provided herein. The implantable frames can include a plurality of hoop members joined by a plurality of longitudinal connecting members to form a tubular frame defining a cylindrical lumen. The plurality of longitudinal connecting members may include one or more pairs of closely-spaced longitudinal connecting members aligned substantially parallel to the longitudinal axis of the implantable frame. The circumferential distance between the closely-spaced longitudinal connecting members preferably subtends an angle less than (2π/n) radians, where (n) is an integer equal to the total number of longitudinal connecting members connecting two longitudinally adjacent hoop members.

US Patent:

7658759, Feb 9, 2010

Filed:

Jul 17, 2006

Appl. No.:

11/487629

Inventors:

Brian C. Case - Lake Villa IL, US
Jacob A. Flagle - Indianapolis IN, US
Michael L. Garrison - Indianapolis IN, US

Assignee:

Cook Incorporated - Bloomington IN

International Classification:

A61F 2/06

US Classification:

623 115

Abstract:

Implantable frames for use in body passages are provided herein. The implantable frames comprise one or more of certain preferred structural features that are generally applicable to frames comprising a plurality of curved and straight member portions that together define an interior lumen extending along a longitudinal axis between a proximal end and a distal end. The implantable frames have an exterior surface comprising a plurality of openings between the interior lumen and the exterior surface, and preferably include one or more undulating hoop members attached to one or more longitudinal connecting members. The implantable frames can be formed from any suitable material, but preferably comprise material permitting the frame to radially self-expand from a radially compressed configuration to a radially expanded configuration. The implantable frames are useful for endolumenal implantation within a body vessel, for example as a stent or as a support frame of an implantable valve.

US Patent:

8157857, Apr 17, 2012

Filed:

Oct 26, 2009

Appl. No.:

12/605585

Inventors:

Brian C. Case - Lake Villa IL, US
Jacob A. Flagle - Indianapolis IN, US
Michael L. Garrison - Indianapolis IN, US

Assignee:

Cook Medical Technologies LLC - Bloomington IN

International Classification:

A61F 2/82

US Classification:

623 115

Abstract:

Implantable frames for use in body passages are provided herein. The implantable frames can include a plurality of hoop members joined by a plurality of longitudinal connecting members to form a tubular frame defining a cylindrical lumen. The plurality of longitudinal connecting members may include first and second longitudinal connecting members joining a first hoop member to a second hoop member such that the first and second longitudinal connecting members extend across an entire space separating the first and second hoop members.

US Patent:

8221492, Jul 17, 2012

Filed:

Apr 21, 2004

Appl. No.:

10/554494

Inventors:

Brian C. Case - Lake Villa IL, US
Michael L. Garrison - Indianapolis IN, US
Andrew Hoffa - Bloomington IN, US
Darin G. Schaeffer - Bloomington IN, US
Jacob A. Flagle - New Palestine IN, US

Assignee:

Cook Medical Technologies - Bloomington IN

International Classification:

A61F 2/24

US Classification:

623 124

Abstract:

An expandable venous valve having a support structure that configured to enlarge the area adjacent to the valve structure such that the flow patterns of retrograde flow are modified in a way that facilitates the flushing of the pockets at the base of the valve area to prevent stagnation of bodily fluid, which in the venous system, can lead to thrombus formation. The enlarged pocket areas can be created by forming an artificial sinus adjacent the valve structure in an unsupported section of vessel wall between two support frame section or the support frame can comprise an expanded-diameter intermediate or proximal section that forms an artificial sinus adjacent the valve structure. In another group of embodiments, the attachment pathway between opposing leaflets and the support frame and/or vessel wall comprises a proximal portion that places the leaflets in extended contact with one another and a distal portion forms a large angle with respect to the adjacent walls such that a large pocket is created at the base of the leaflets. In one embodiment, the attachment pathway extends distally along a pair of substantially parallel longitudinal attachment struts to create an extended leaflet contact area, then angles circumferentially and distally from the former along distal attachment struts to define the bottom edge of the leaflets.

US Patent:

20130018453, Jan 17, 2013

Filed:

Jul 16, 2012

Appl. No.:

13/550229

Inventors:

Brian C. Case - Lake Villa IL, US
Michael L. Garrison - Indianapolis IN, US
Andrew Hoffa - Bloomington IN, US
Darin G. Schaeffer - Bloomington IN, US
Jacob A. Flagle - New Palestine IN, US

International Classification:

A61F 2/82

US Classification:

623 124

Abstract:

An expandable venous valve having a support structure that is configured to enlarge the area adjacent to the valve structure such that the flow patterns of retrograde flow are modified in a way that facilitates the flushing of the pockets at the base of the valve area to prevent stagnation of bodily fluid, which in the venous system, can lead to thrombus formation. The enlarged pocket areas can be created by forming an artificial sinus adjacent the valve structure in an unsupported section of vessel wall between two support frame sections or the support frame can comprise an expanded-diameter intermediate or proximal section that forms an artificial sinus adjacent the valve structure.