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US6030413A Expired / Lapsed US ⏱️ 0.0 years remaining

Artificial graft and implantation method

Assignee: Starboard Value Intermediate Fund Lp As Collateral Agent
•
Filing: 1991-08-29
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Granted: 2000-02-29
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Expires: 2011-08-29
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Abstract

Abstract An intraluminal grafting system includes a hollow graft which has a proximal staple positioned proximate its proximal end and a distal staple adapted proximate its distal end. The system includes a capsule for transporting the graft through the lumen and for positioning the proximal end of the graft upstream in a lumen which may be a blood vessel or artery. A tube is connected to the capsule and extends to exterior the vessel for manipulation by the user. A catheter is positioned within the tube to extend from the cavity and through the graft to exterior the body. The catheter has an inflatable membrane or balloon proximate the distal end thereof which is in communication via a channel with inflation and deflation means located exterior the vessel. With the inflatable membrane deflated, the capsule is positioned in the lumen and manipulated to a desired location. The inflatable membrane is manipulated by the rod away from the graft. The force exerted by the inflatable membrane and the structure of the staples urges the staples in the vessel wall, retaining the graft in position. The remainder of the intraluminal grafting system is then removed from the corporeal vessel.

Inventors

  • 👤 Harrison M. Lazarus

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 07:57
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/04; A61F2/06; A61F2/07; A61B; A61B17/00; A61B17/11; A61F2/82; A61F2/95; A61F2/958; A61M; A61M25/00; A61M25/10; A61F2/848; A61F2/86; A61F2/89; A61F2002/075; A61F2/30; A61F2002/30001; A61F2002/30003; A61F2002/3006; A61F2002/3008; A61F2002/30316; A61F2002/30329; A61F2002/30451; A61F2002/8486; A61F2220/00; A61F2220/0008; A61F2220/0016; A61F2220/0025; A61F2220/0058; A61F2230/00; A61F2230/0002; A61F2230/0028; A61F2230/0054; A61F2250/00; A61F2250/0058; A61F2250/0096; A61F2250/0098; Y; Y10; Y10S; Y10S623/00; Y10S623/902; Y10S623/903

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 255 words
A system for intraluminally engrafting in a lumen formed by a wall disposed within a body, the system comprising: a graft of preselected cross-section and length and having an interior surface, the graft being capable of assuming expanded and contracted positions; anchoring elements carried by the graft and extending externally of the graft to engage a lumen; catheter means for inflating the graft into the lumen and advancing the graft through the lumen to a desired location; an inflatable member disposed within the graft; inflation means in fluid communication with the inflatable member for radially expanding the inflatable member; the catheter means having positioning means for causing axial movement of the inflatable member in relation to the graft; protective means for covering the anchoring elements to prevent the anchoring elements from engaging the wall forming the lumen; actuation means coupled to the protective means and to the graft for providing relative movement between the graft and protective means, wherein the protective means can be withdrawn from the graft so that the anchoring elements are uncovered to permit them to be moved in to engagement with the wall forming the lumen; wherein the inflatable member when radially expanded engages the interior surface of the graft and urges the anchoring elements into engagement with a wall forming the lumen; and wherein the graft has proximal and distal extremities and wherein the anchoring elements are disposed adjacent the proximal and distal extremities and wherein the protective means extends over the anchoring elements at the proximal and distal extremities.
Claim 2
Independent Claim 255 words
A system for intraluminally engrafting in a lumen formed by a wall disposed within a body, the system comprising: a graft of preselected cross-section and length and having an interior surface, the graft being capable of assuming expanded and contracted positions; anchoring elements carried by the graft and extending externally of the graft to engage a lumen; catheter means for inflating the graft into the lumen and advancing the graft through the lumen to a desired location; an inflatable member disposed within the graft; inflation means in fluid communication with the inflatable member for radially expanding the inflatable member; the catheter means having positioning means for causing axial movement of the inflatable member in relation to the graft; protective means for covering the anchoring elements to prevent the anchoring elements from engaging the wall forming the lumen; actuation means coupled to the protective means and to the graft for providing relative movement between the graft and protective means, wherein the protective means can be withdrawn from the graft so that the anchoring elements are uncovered to permit them to be moved in to engagement with the wall forming the lumen; wherein the inflatable member when radially expanded engages the interior surface of the graft and urges the anchoring elements into engagement with a wall forming the lumen; and wherein the graft has proximal and distal extremities and wherein the anchoring elements are disposed adjacent the proximal and distal extremities and wherein the protective means extends over the anchoring elements at the proximal and distal extremities.
Claim 3
Independent Claim 236 words
A system for engrafting in a body lumen formed by a wall, the system comprising: a graft configured for contracted and expanded positions; an anchoring element having at least three support members, each support member having two legs joined to form an apex, each support member leg joined to the leg(s) of an adjacent support member to form a substantially circular arrangement of support members about a central axis; the anchoring element operable between a first collapsed position for insertion into a body lumen and a second expanded position; the anchoring element further having wall engaging members each attached to a selected support member; wherein the wall engaging members are configured to extend outwardly from the central axis for engaging a wall of the body lumen when the anchoring element is in the expanded position; an inflatable member; shaft means affixed to the inflatable member for causing axial movement of the inflatable member in the body lumen; the shaft means including an inflation lumen in fluid communication with the inflatable member; a sheath covering at least a portion of the graft to prevent the anchoring element from contacting the wall of the body lumen while the graft is being advanced in the body lumen; and inflation means coupled to the shaft means for radially expanding the inflatable member to cause radial expansion of the graft to urge the anchoring element into engagement with the body lumen.
Claim 4
Independent Claim 236 words
A system for engrafting in a body lumen formed by a wall, the system comprising: a graft configured for contracted and expanded positions; an anchoring element having at least three support members, each support member having two legs joined to form an apex, each support member leg joined to the leg(s) of an adjacent support member to form a substantially circular arrangement of support members about a central axis; the anchoring element operable between a first collapsed position for insertion into a body lumen and a second expanded position; the anchoring element further having wall engaging members each attached to a selected support member; wherein the wall engaging members are configured to extend outwardly from the central axis for engaging a wall of the body lumen when the anchoring element is in the expanded position; an inflatable member; shaft means affixed to the inflatable member for causing axial movement of the inflatable member in the body lumen; the shaft means including an inflation lumen in fluid communication with the inflatable member; a sheath covering at least a portion of the graft to prevent the anchoring element from contacting the wall of the body lumen while the graft is being advanced in the body lumen; and inflation means coupled to the shaft means for radially expanding the inflatable member to cause radial expansion of the graft to urge the anchoring element into engagement with the body lumen.
Claim 5
Independent Claim 194 words
A system for engrafting in a body lumen formed by a wall, the system comprising: a graft capable of assuming contracted and expanded positions; anchoring means for securing the graft within a body lumen; a hollow capsule having a proximal portion configured to allow passage through the body lumen having a first end and a second end, the first end having an aperture sized for passage of the graft, the second end configured with a first connector; the capsule further having a distal portion configured to allow passage through the body lumen and having a second connector configured to connect to the first connector of the capsule; wherein the proximal and distal portions of the capsule when connected together are sized to removably receive the graft; an inflatable member; shaft means affixed to the inflatable member for causing axial movement of the inflatable member in the body lumen; the shaft means including an inflation lumen in fluid communication with the inflatable member; and inflation means coupled to the shaft means for radially expanding the inflatable member to cause radial expansion of the graft to urge the anchoring means into engagement with the body lumen.
Claim 6
Independent Claim 194 words
A system for engrafting in a body lumen formed by a wall, the system comprising: a graft capable of assuming contracted and expanded positions; anchoring means for securing the graft within a body lumen; a hollow capsule having a proximal portion configured to allow passage through the body lumen having a first end and a second end, the first end having an aperture sized for passage of the graft, the second end configured with a first connector; the capsule further having a distal portion configured to allow passage through the body lumen and having a second connector configured to connect to the first connector of the capsule; wherein the proximal and distal portions of the capsule when connected together are sized to removably receive the graft; an inflatable member; shaft means affixed to the inflatable member for causing axial movement of the inflatable member in the body lumen; the shaft means including an inflation lumen in fluid communication with the inflatable member; and inflation means coupled to the shaft means for radially expanding the inflatable member to cause radial expansion of the graft to urge the anchoring means into engagement with the body lumen.

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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) 2003-02-28 2003-08-30 2004-02-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2007-02-28 2007-08-30 2008-02-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2011-02-28 2011-08-30 2012-02-29 $7700.00 Window Closed / Lapsed

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