Jeffrey William Chambers

US Patent:

7115134, Oct 3, 2006

Filed:

Jul 22, 2002

Appl. No.:

10/064498

Inventors:

Jeffrey W. Chambers - Plymouth MN, US

Assignee:

Chambers Technology, LLC. - Mackinac Island MI

International Classification:

A61F 11/00

US Classification:

606108, 604527, 604525

Abstract:

An improved apparatus and method to catheterize passages is disclosed. The present invention provides a catheter having a soft flexible pre-formed distal tip, that when used in combination with commercially available guidewires of variable stiffness, results in the ability to control the direction and angle of wire advancement allowing cannulation of body passages, including those that arise at acute angles. The catheter can have a longitudinal axis, a proximal section and a distal section having a soft flexible pre-formed tip having a curvature of ninety degrees or greater and shape retention. The catheter can have an inner wall that defines a lumen that runs along said longitudinal axis forming a single continuous tube, a reinforcement braid disposed over the inner wall, and an outside covering disposed over the reinforcement braid. A spacer can be added between said wall liner and said reinforcement braid in the proximal end.

US Patent:

7722629, May 25, 2010

Filed:

Oct 29, 2004

Appl. No.:

10/976395

Inventors:

Jeffrey W. Chambers - Plymouth MN, US

International Classification:

A61B 17/04
A61B 17/12

US Classification:

606144, 606148

Abstract:

The contents include occlusion and/or repair of congenital heart defects including methods, apparatuses, and systems utilizing catheter delivery in order to repair congenital heart defects. In particular, a method of repair includes suturing a septal tissue proximate defect in order to repair the defect with a device introduced through a bodily lumen of a patient. A repair device can include an expansion assembly, a suture delivering portion, and a suture receiving portion.

US Patent:

7867219, Jan 11, 2011

Filed:

Oct 3, 2006

Appl. No.:

11/542345

Inventors:

Jeffrey W. Chambers - Plymouth MN, US

Assignee:

Chambers Technologies, LLC - Mackinac Island MI

International Classification:

A61M 25/00

US Classification:

604532, 604508, 604528

Abstract:

An improved apparatus and method to catheterize passages is disclosed. The present invention provides a catheter having a soft flexible pre-formed distal tip, that when used in combination with commercially available guidewires of variable stiffness, results in the ability to control the direction and angle of wire advancement allowing cannulation of body passages, including those that arise at acute angles. The catheter can have a longitudinal axis, a proximal section and a distal section having a soft flexible pre-formed tip having a curvature of ninety degrees or greater and shape retention. The catheter can have an inner wall that defines a lumen that runs along said longitudinal axis forming a single continuous tube, a reinforcement braid disposed over the inner wall, and an outside covering disposed over the reinforcement braid. A spacer can be added between said wall liner and said reinforcement braid in the proximal end.

US Patent:

8252034, Aug 28, 2012

Filed:

Mar 29, 2004

Appl. No.:

10/812250

Inventors:

Jeffrey W. Chambers - Plymouth MN, US

International Classification:

A61F 2/06

US Classification:

623 111, 623903, 606108

Abstract:

A stent combined with a positioning apparatus to effectively place the stent at a precise deployment site within a narrowed vascular region such as an artery. The stent is maneuvered through the vessel and is guided by a guiding catheter up the vessel to where the narrowing is located. Upon exiting the guiding catheter and approaching the deployment site within the coronary artery, a deployment site locator expands to contact the vascular structure and, thereby, effectively position the stent at the deployment site within the narrowed vessel. This system apparatus and method is particularly useful for stent placement at an ostium (origin) of a vessel.

US Patent:

8496675, Jul 30, 2013

Filed:

May 25, 2010

Appl. No.:

12/787078

Inventors:

Jeffrey W. Chambers - Maple Grove MN, US

International Classification:

A61B 17/04
A61B 17/12

US Classification:

606144

Abstract:

The contents include occlusion and/or repair of congenital heart defects including methods, apparatuses, and systems utilizing catheter delivery in order to repair congenital heart defects. In particular, a method of repair includes suturing a septal tissue proximate defect in order to repair the defect with a device introduced through a bodily lumen of a patient. A repair device can include an expansion assembly, a suture delivering portion, and a suture receiving portion.

US Patent:

20020091434, Jul 11, 2002

Filed:

Jan 5, 2001

Appl. No.:

09/754223

Inventors:

Jeffrey Chambers - Plymouth MN, US

International Classification:

A61M025/10

US Classification:

623/001110

Abstract:

A stent designed with an attachable positioning apparatus to effectively place the stent at the precise deployment site within a narrowed vascular region such as an artery. In the preferred embodiment, the present invention comprises a stabilizing wire. The positional apparatus is, for example, frictionally engaged to the stent balloon and adjacent wire loops for frictional engagement with the walls to position the stent at the deployment site. Other means to engage the positional apparatus and stent balloon and adjacent wire loops can include: elastic bands, adhesion, or polymer bonding. The stent is maneuvered through the vessel by a balloon catheter that is guided by a guiding catheter up the vessel to where the narrowing is located. Upon exiting the guiding catheter and approaching the deployment site within the coronary artery, the wire loops expand and frictionally engage the artery walls and, thereby, effectively position the stent at the deployment site within the narrowed vessel. This apparatus and method is particularly useful for stent placement at an ostium (origin) of a vascular region.

US Patent:

20110307003, Dec 15, 2011

Filed:

Jun 10, 2011

Appl. No.:

13/157903

Inventors:

Jeffrey W. Chambers - Maple Grove MN, US

International Classification:

A61M 1/00

US Classification:

606200

Abstract:

An implantable liner device for preventing formation of blood clots in a left atrium of a patient's heart. The liner device includes a liner body configured, in some embodiments, to cover a portion of an interior surface of the left atrium, the liner body forming a first opening sized for placement about pulmonary vein ostiums of the left atrium and a second opening for fluid alignment with a mitral valve of the left atrium. The liner body can self-expandable from a collapsed state appropriate for percutaneous delivery to the atrium to an expanded state, with the expanded state having a shape appropriate for covering the portion of the interior surface of the left atrium. The liner body can have a cap-like shape, and can be formed of mesh, fabric, braided material, and biological material such as tissue.

US Patent:

20120016341, Jan 19, 2012

Filed:

Jan 11, 2011

Appl. No.:

13/004418

Inventors:

Jeffrey W. Chambers - Maple Grove MN, US

International Classification:

A61M 25/09

US Classification:

604528

Abstract:

An improved apparatus and method to catheterize passages is disclosed. The present disclosure provides a catheter having a soft flexible pre-formed distal tip, that when used in combination with commercially available guidewires of variable stiffness, results in the ability to control the direction and angle of wire advancement allowing cannulation of body passages, including those that arise at acute angles. The catheter can have a longitudinal axis, a proximal section and a distal section having a soft flexible pre-formed tip having a curvature of ninety degrees or greater and shape retention. The catheter can have an inner wall that defines a lumen that runs along said longitudinal axis forming a single continuous tube, a reinforcement braid disposed over the inner wall, and an outside covering disposed over the reinforcement braid. A spacer can be added between said wall liner and said reinforcement braid in the proximal end.