Pulsating Stent Graft

• US 20050027346A1
• Filed: 02/06/2003
• Published: 02/03/2005
• Est. Priority Date: 02/06/2003
• Status: Active Grant

• Current Assignee: Mike Arkusz, Tom Arkusz
• Original Assignee: Mike Arkusz, Tom Arkusz
• Inventors: Arkusz, Tom, Arkusz, Mike
• Granted Patent: US 9,271,825 B2
• Time in Patent Office: Days
• US Class Current: 623/1.130
• CPC Class Codes: A61F 2/07 Stent-grafts
• CPC Class Codes: A61F 2230/0078 hyperboloidal

Abstract

A tubular vascular stent graft with passively pulsating midsection where the difference between the cross-sectional areas of the lumen under the systolic and diastolic pressures after the implantation is 10% or more. The pulsating stent graft accumulates blood during the systolic pressure wave thus lowering the peak value of the tugging force at the proximal attachment site.

Claims

1. A tubular intraluminal stent graft having a passively pulsating midsection which, after implantation into the human body, under systolic blood pressure expands to a shape which has a maximally circular cross-section as allowed by structural elements of the stent and which under the diastolic blood pressure relaxes to a shape that is less circular, with the cross-sectional area of the lumen decreased by 10% or more than under systolic blood pressure with considerations made for the pressure from the surrounding body fluids and tissues.

2. A method where the effect of a passively pulsating midsection of the stent graft or graft as described in claim 1 is obtained by implanting an uncovered stent, which has a noncircular cross-section of its lumen in a relaxed state, inside a previously implanted stent graft or graft.