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US5934284A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for increasing blood flow in vessels

Assignee: SYNECTIC VENTURES I LLC
•
Filing: 1995-03-13
•
Granted: 1999-08-10
•
Expires: 2015-03-13
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Abstract

Abstract A method of enlarging the lumen of a vessel is disclosed, by which an access opening or passageway is provided to the vessel, a head is inserted through the opening and advanced to a constriction within the vessel. The head engages, severs, and removes plaque. A vascular graft lining is inserted into the vessel and to the site of enlargement where it is secured within the vessel at the site of enlargement.

Inventors

  • 👤 Mark Plaia
  • 👤 Vincent A. Reger
  • 👤 Gregory N. Nordgren

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 03:50
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/32; A61B17/3205; A61B17/3207; A61B17/320725; A61B17/32075; A61B17/320758; A61F; A61F2/00; A61F2/02; A61F2/04; A61F2/06; A61F2/07; A61F2/95; A61F2/954; A61B17/00008; A61B17/064; A61B17/22; A61B17/22004; A61B17/22012; A61B18/00; A61B18/18; A61B18/20; A61B18/22; A61B18/24; A61B18/245; A61B2017/22001; A61B2017/22002; A61B2017/22051; A61B2017/320741; A61B90/00; A61B90/06; A61B2090/062; A61F2/82; A61F2/848; A61F2/86; A61F2/958; A61F2002/065; A61F2002/075; A61M; A61M25/00; A61M25/01; A61M25/09; A61M2025/09175; A61M2025/09183; A61M25/10; A61M25/104; Y; Y10; Y10S; Y10S623/00; Y10S623/902

Claims Analysis

Total Claims: 13
Claim 1
Independent Claim 91 words
A method of treating an artery, comprising the steps of: enlarging the lumen size of a plaque-ridden segment of an artery using a plaque-removing instrument introduced through an arteriotomy; clamping a vascular lining to a clamping instrument so that at least a substantial portion of an exterior surface of the lining is exposed; jointly inserting the lining and the clamping instrument into the artery through the arteriotomy to a position at least in part co-extensive with a portion of the segment; securing the vascular lining within said artery at said location.
Claim 2
Independent Claim 91 words
A method of treating an artery, comprising the steps of: enlarging the lumen size of a plaque-ridden segment of an artery using a plaque-removing instrument introduced through an arteriotomy; clamping a vascular lining to a clamping instrument so that at least a substantial portion of an exterior surface of the lining is exposed; jointly inserting the lining and the clamping instrument into the artery through the arteriotomy to a position at least in part co-extensive with a portion of the segment; securing the vascular lining within said artery at said location.
Claim 3
Dependent Claim 21 words
A method according to claim 1 wherein the enlarging step comprises enlarging the lumen within the artery by performing plaque-removing angioplasty.
Claim 4
Dependent Claim 20 words
A method according to claim 1 wherein the enlarging step comprises first loosening and thereafter removing plaque through the arteriotomy.
Claim 5
Dependent Claim 13 words
A method according to claim 1 wherein the enlarging step comprises cutting plaque.
Claim 6
Dependent Claim 13 words
A method according to claim 1 wherein the enlarging step comprises chipping plaque.
Claim 7
Dependent Claim 13 words
A method according to claim 1 wherein the enlarging step comprises grinding plaque.
Claim 8
Dependent Claim 17 words
A method according to claim 1 wherein the enlarging step comprises applying laser energy to the plaque.
Claim 9
Independent Claim 65 words
A method of treating an artery, comprising the steps of: enlarging the lumen size of a plaque-ridden segment of an artery comprising axially cutting and removing both plaque and a portion of the interior of the artery; placing a vascular lining within the artery at least in part co-extensive with a portion of the segment; securing the vascular lining within said artery at said location.
Claim 10
Independent Claim 65 words
A method of treating an artery, comprising the steps of: enlarging the lumen size of a plaque-ridden segment of an artery comprising axially cutting and removing both plaque and a portion of the interior of the artery; placing a vascular lining within the artery at least in part co-extensive with a portion of the segment; securing the vascular lining within said artery at said location.
Claim 11
Dependent Claim 20 words
A method according to claim 1 wherein the enlarging step comprises applying ultrasound energy to disconnect plaque from the segment.
Claim 12
Dependent Claim 21 words
A method according to claim 1 wherein the enlarging step comprises excising pieces of plaque from the artery through the arteriotomy.
Claim 13
Dependent Claim 20 words
A method according to claim 1 wherein the enlarging step comprises grasping and tearing pieces of plaque from the artery.

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2002-08-09 2003-02-08 2003-08-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2006-08-09 2007-02-08 2007-08-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2010-08-09 2011-02-08 2011-08-10 $7700.00 Window Closed / Lapsed

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