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US5980554A Expired / Lapsed US ⏱️ 0.0 years remaining

Wire frame partial flow obstruction for aneurysm treatment

Assignee: The University of Texas System
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Filing: 1997-05-05
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Granted: 1999-11-09
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Expires: 2017-05-05
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Abstract

Abstract A wire frame stent or occluding device for use within the vasculature. The device can be stretched into a double wire or single wire configuration for easy deployment into the vasculature.

Inventors

  • 👤 Jay Lenker
  • 👤 K. David Crockett

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 10:17
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/82; A61F2/86; A61F2/88; A61B; A61B17/00; A61B17/12; A61B17/12022; A61B17/12099; A61B17/12109; A61B17/12113; A61B17/12118; A61B17/12131; A61B17/12168; A61B17/12172; A61B17/12177; A61B2017/00831; A61B2017/00867; A61F2002/825

Claims Analysis

Total Claims: 23
Claim 1
Independent Claim 161 words
A method of inserting a wire frame structure into the body, wherein the wire frame structure is adapted for use within a lumen of the body, said wire frame structure comprising a series of wire hoops longitudinally aligned in generally parallel planes and along a generally common axis through the center of each hoop, wherein successive hoops are joined by struts extending from one wire hoop to the next, and wherein the struts are arranged in radially non-aligned arrangement, said method comprising: providing an insertion catheter with a lumen at its distal end; deforming the wire frame structure along the common axis so that the hoops are deformed into a substantially straight line configuration; inserting the wire frame structure in its substantially straight line configuration into the lumen of an insertion catheter; inserting the insertion catheter into the body to place the wire frame structure at a desired site within the body; releasing the wire frame structure from the insertion catheter.
Claim 2
Independent Claim 161 words
A method of inserting a wire frame structure into the body, wherein the wire frame structure is adapted for use within a lumen of the body, said wire frame structure comprising a series of wire hoops longitudinally aligned in generally parallel planes and along a generally common axis through the center of each hoop, wherein successive hoops are joined by struts extending from one wire hoop to the next, and wherein the struts are arranged in radially non-aligned arrangement, said method comprising: providing an insertion catheter with a lumen at its distal end; deforming the wire frame structure along the common axis so that the hoops are deformed into a substantially straight line configuration; inserting the wire frame structure in its substantially straight line configuration into the lumen of an insertion catheter; inserting the insertion catheter into the body to place the wire frame structure at a desired site within the body; releasing the wire frame structure from the insertion catheter.
Claim 3
Independent Claim 153 words
A method of inserting a wire frame structure into the body, wherein the wire frame structure is adapted for use within a lumen of the body, said wire frame structure comprising a at least two wire hoops longitudinally aligned in generally parallel planes and along a generally common axis through the center of each hoop, wherein the hoops are joined by a strut extending from one wire hoop to the next, said method comprising: providing an insertion catheter with a lumen at its distal end; deforming the wire frame structure along the common axis so that the hoops are deformed into a substantially straight line configuration; inserting the wire frame structure in its substantially straight line configuration into the lumen of an insertion catheter; inserting the insertion catheter into the body to place the wire frame structure at a desired site within the body; releasing the wire frame structure from the insertion catheter.
Claim 4
Independent Claim 153 words
A method of inserting a wire frame structure into the body, wherein the wire frame structure is adapted for use within a lumen of the body, said wire frame structure comprising a at least two wire hoops longitudinally aligned in generally parallel planes and along a generally common axis through the center of each hoop, wherein the hoops are joined by a strut extending from one wire hoop to the next, said method comprising: providing an insertion catheter with a lumen at its distal end; deforming the wire frame structure along the common axis so that the hoops are deformed into a substantially straight line configuration; inserting the wire frame structure in its substantially straight line configuration into the lumen of an insertion catheter; inserting the insertion catheter into the body to place the wire frame structure at a desired site within the body; releasing the wire frame structure from the insertion catheter.
Claim 5
Independent Claim 142 words
A device for obstructing blood flow in an aneurysm affecting a blood vessel having a lumen with an inner wall, said device comprising: a first hoop circumscribing the inner wall of the blood vessel on one side of the aneurysm; a second hoop circumscribing the inner wall of the blood vessel on the other side of the aneurysm; a first strut comprising a substantially straight length of wire extending alone the length of the blood vessel from the first hoop toward the second hoop; and a second strut comprising a substantially straight length of wire extending along the length of the blood vessel from the second hoop toward the first hoop; and a flow occluding structure supported by the first and second struts and aligned with the aneurysm so as to at least partially disrupt the flow of blood into the aneurysm.
Claim 6
Independent Claim 142 words
A device for obstructing blood flow in an aneurysm affecting a blood vessel having a lumen with an inner wall, said device comprising: a first hoop circumscribing the inner wall of the blood vessel on one side of the aneurysm; a second hoop circumscribing the inner wall of the blood vessel on the other side of the aneurysm; a first strut comprising a substantially straight length of wire extending alone the length of the blood vessel from the first hoop toward the second hoop; and a second strut comprising a substantially straight length of wire extending along the length of the blood vessel from the second hoop toward the first hoop; and a flow occluding structure supported by the first and second struts and aligned with the aneurysm so as to at least partially disrupt the flow of blood into the aneurysm.
Claim 7
Dependent Claim 15 words
A device according to claim 3, wherein the flow occluding structure protrudes into the aneurysm.
Claim 8
Dependent Claim 19 words
A device according to claim 3, wherein the flow occluding structure comprises a coil which protrudes into the aneurysm.
Claim 9
Dependent Claim 21 words
A device according to claim 3, wherein the flow occluding structure comprises a length of wire which protrudes into the aneurysm.
Claim 10
Dependent Claim 33 words
A device according to claim 3, wherein the flow occluding structure comprises a curved length of wire which conforms to the lumen of the blood vessel and does not protrude into the aneurysm.
Claim 11
Dependent Claim 19 words
A device according to claim 3, wherein the flow occluding structure comprises an elastic, superelastic, or shape memory material.
Claim 12
Dependent Claim 97 words
A device according to claim 3, wherein: the device comprises a wire frame structure capable of deformation into a single length of wire; and the device has an insertion configuration and a deployed configuration, said deployed configuration comprising the first hoop, second hoop, strut and flow occluding structure, said insertion configuration comprising the wire frame structure deformed into a single length of wire, wherein the wire frame structure in said insertion configuration fits within a catheter for delivery into the body of patient, said wire frame structure reverting to the deployed configuration upon release from the catheter.
Claim 13
Dependent Claim 111 words
A device according to claim 3, wherein; the device comprises a wire frame structure capable of deformation into a length of double wire bent at a midpoint of the wire; and the device has an insertion configuration and a deployed configuration, said deployed configuration comprising the first hoop, second hoop, strut and flow occluding structure, said insertion configuration comprising the wire frame structure deformed into a length of double wire bent at a midpoint of the wire, wherein the wire frame structure in said insertion configuration fits within a catheter for delivery into the body of patient, said wire frame structure reverting to the deployed configuration upon release from the catheter.
Claim 14
Independent Claim 246 words
A system for inserting a device for obstructing blood flow in an aneurysm affecting a blood vessel within the body, said blood vessel having a lumen with an inner wall, said system comprising a flow disrupting device and an insertion device, wherein: said flow disrupting device having a deployed shape which comprises: a first hoop circumscribing the inner wall of the blood vessel on one side of the aneurysm; a second hoop circumscribing the inner wall of the blood vessel on the other side of the aneurysm; a strut connecting the first and second hoops; and a flow occluding structure supported by the strut and aligned with the aneurysm so as to at least partially disrupt the flow of blood into the aneurysm; wherein the flow disrupting device comprises a wire frame structure capable of deformation into straight line configuration; and said insertion device comprises; a catheter having a lumen at its distal end, said catheter being sized and dimensioned to allow insertion of the catheter into the body to the site of the aneurysm, said lumen having an internal diameter sufficient to house the flow disrupting device in its straight line configuration; wherein the flow disrupting device may be deformed into its straight line configuration and inserted into the lumen at the distal end of the catheter for insertion into the body, and the flow disrupting device resiliently reverts to the deployed shape upon release from the lumen at the distal end of the catheter.
Claim 15
Independent Claim 246 words
A system for inserting a device for obstructing blood flow in an aneurysm affecting a blood vessel within the body, said blood vessel having a lumen with an inner wall, said system comprising a flow disrupting device and an insertion device, wherein: said flow disrupting device having a deployed shape which comprises: a first hoop circumscribing the inner wall of the blood vessel on one side of the aneurysm; a second hoop circumscribing the inner wall of the blood vessel on the other side of the aneurysm; a strut connecting the first and second hoops; and a flow occluding structure supported by the strut and aligned with the aneurysm so as to at least partially disrupt the flow of blood into the aneurysm; wherein the flow disrupting device comprises a wire frame structure capable of deformation into straight line configuration; and said insertion device comprises; a catheter having a lumen at its distal end, said catheter being sized and dimensioned to allow insertion of the catheter into the body to the site of the aneurysm, said lumen having an internal diameter sufficient to house the flow disrupting device in its straight line configuration; wherein the flow disrupting device may be deformed into its straight line configuration and inserted into the lumen at the distal end of the catheter for insertion into the body, and the flow disrupting device resiliently reverts to the deployed shape upon release from the lumen at the distal end of the catheter.
Claim 16
Independent Claim 179 words
A method of inserting a wire frame structure into the body, wherein the wire frame structure is adapted for use within a lumen of the body, said wire frame structure comprising a series of wire hoops longitudinally aligned in generally parallel planes and along a generally common axis through the center of each hoop, wherein successive hoops are joined by struts extending from one wire hoop to the next, said struts extending generally perpendicular to the planes of the hoops and generally parallel to said central axis and wherein the struts are arranged in radially non-aligned arrangement, said method comprising: providing an insertion catheter with a lumen at its distal end; deforming the wire frame structure along the common axis so that the hoops are deformed into a substantially straight line configuration; inserting the wire frame structure in its substantially straight line configuration into the lumen of an insertion catheter; inserting the insertion catheter into the body to place the wire frame structure at a desired site within the body; releasing the wire frame structure from the insertion catheter.
Claim 17
Independent Claim 179 words
A method of inserting a wire frame structure into the body, wherein the wire frame structure is adapted for use within a lumen of the body, said wire frame structure comprising a series of wire hoops longitudinally aligned in generally parallel planes and along a generally common axis through the center of each hoop, wherein successive hoops are joined by struts extending from one wire hoop to the next, said struts extending generally perpendicular to the planes of the hoops and generally parallel to said central axis and wherein the struts are arranged in radially non-aligned arrangement, said method comprising: providing an insertion catheter with a lumen at its distal end; deforming the wire frame structure along the common axis so that the hoops are deformed into a substantially straight line configuration; inserting the wire frame structure in its substantially straight line configuration into the lumen of an insertion catheter; inserting the insertion catheter into the body to place the wire frame structure at a desired site within the body; releasing the wire frame structure from the insertion catheter.
Claim 18
Independent Claim 170 words
A method of inserting a wire frame structure into the body, wherein the wire frame structure is adapted for use within a lumen of the body, said wire frame structure comprising at least two wire hoops longitudinally aligned in generally parallel planes and along a generally common axis through the center of each hoop, wherein the hoops are joined by a strut extending from one wire hoop to the next, said struts extending generally perpendicular to the planes of the hoops and generally parallel to said central axis, said method comprising: providing an insertion catheter with a lumen at its distal end; deforming the wire frame structure along the common axis so that the hoops are deformed into a substantially straight line configuration; inserting the wire frame structure in its substantially straight line configuration into the lumen of an insertion catheter; inserting the insertion catheter into the body to place the wire frame structure at a desired site within the body; releasing the wire frame structure from the insertion catheter.
Claim 19
Independent Claim 170 words
A method of inserting a wire frame structure into the body, wherein the wire frame structure is adapted for use within a lumen of the body, said wire frame structure comprising at least two wire hoops longitudinally aligned in generally parallel planes and along a generally common axis through the center of each hoop, wherein the hoops are joined by a strut extending from one wire hoop to the next, said struts extending generally perpendicular to the planes of the hoops and generally parallel to said central axis, said method comprising: providing an insertion catheter with a lumen at its distal end; deforming the wire frame structure along the common axis so that the hoops are deformed into a substantially straight line configuration; inserting the wire frame structure in its substantially straight line configuration into the lumen of an insertion catheter; inserting the insertion catheter into the body to place the wire frame structure at a desired site within the body; releasing the wire frame structure from the insertion catheter.
Claim 20
Dependent Claim 129 words
A stent and stent delivery system comprising: a stent comprising a plurality of hoops, said hoops longitudinally aligned in generally parallel planes and along a generally common axis through the center of each hoop, said hoops connected by struts, said struts extending generally perpendicular to the planes of the hoops and generally parallel to said central axis, said hoops comprised of wires, said hoops characterized by a wire thickness; an insertion catheter having a lumen with a diameter at least substantially equal to twice the wire thickness of the hoops; said stent being deformed so that the hoops are elongated into substantially straight line configuration, and the struts and the deformed hoops fall along a generally straight line, said stent being inserted into the lumen of the insertion catheter.
Claim 21
Dependent Claim 129 words
A stent and stent delivery system comprising: a stent comprising a plurality of hoops, said hoops longitudinally aligned in generally parallel planes and along a generally common axis through the center of each hoop, said hoops connected by struts, said struts extending generally perpendicular to the planes of the hoops and generally parallel to said central axis, said hoops comprised of wires, said hoops characterized by a wire thickness; an insertion catheter having a lumen with a diameter at least substantially equal to twice the wire thickness of the hoops; said stent being deformed so that the hoops are elongated into substantially straight line configuration, and the struts and the deformed hoops fall along a generally straight line, said stent being inserted into the lumen of the insertion catheter.
Claim 22
Independent Claim 261 words
A system for inserting a device for obstructing blood flow in a saccular aneurysm affecting a blood vessel within the body, said blood vessel having a lumen with an inner wall, said system comprising a flow disrupting device and an insertion device, wherein: said flow disrupting device has a deployed shape which comprises: a first hoop circumscribing the inner wall of the blood vessel on one side of the aneurysm; a second hoop circumscribing the inner wall of the blood vessel on the other side of the aneurysm; a strut connecting the first and second hoops; and a flow occluding structure supported by the strut and aligned with the saccular aneurysm so as to at least partially disrupt the flow of blood into the aneurysm, said flow occluding structure extending outwardly from the blood vessel into the saccular aneurysm; wherein the flow disrupting device comprises a wire frame structure capable of deformation into straight line configuration; and said insertion device comprises; a catheter having a lumen at its distal end, said catheter being sized and dimensioned to allow insertion of the catheter into the body to the site of the aneurysm, said lumen having an internal diameter sufficient to house the flow disrupting device in its straight line configuration; wherein the flow disrupting device may be deformed into its straight line configuration and inserted into the lumen at the distal end of the catheter for insertion into the body, and the flow disrupting device reverts to the deployed shape upon release from the lumen at the distal end of the catheter.
Claim 23
Independent Claim 261 words
A system for inserting a device for obstructing blood flow in a saccular aneurysm affecting a blood vessel within the body, said blood vessel having a lumen with an inner wall, said system comprising a flow disrupting device and an insertion device, wherein: said flow disrupting device has a deployed shape which comprises: a first hoop circumscribing the inner wall of the blood vessel on one side of the aneurysm; a second hoop circumscribing the inner wall of the blood vessel on the other side of the aneurysm; a strut connecting the first and second hoops; and a flow occluding structure supported by the strut and aligned with the saccular aneurysm so as to at least partially disrupt the flow of blood into the aneurysm, said flow occluding structure extending outwardly from the blood vessel into the saccular aneurysm; wherein the flow disrupting device comprises a wire frame structure capable of deformation into straight line configuration; and said insertion device comprises; a catheter having a lumen at its distal end, said catheter being sized and dimensioned to allow insertion of the catheter into the body to the site of the aneurysm, said lumen having an internal diameter sufficient to house the flow disrupting device in its straight line configuration; wherein the flow disrupting device may be deformed into its straight line configuration and inserted into the lumen at the distal end of the catheter for insertion into the body, and the flow disrupting device reverts to the deployed shape upon release from the lumen at the distal end of the catheter.

References Cited (Backward Citations)

US4512338A Cited
US4913141A Cited
US4856516A Cited
US5446242A Cited
US5554181A Cited
US5540701A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2002-11-08 2003-05-10 2003-11-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2006-11-08 2007-05-10 2007-11-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2010-11-08 2011-05-10 2011-11-09 $7700.00 Window Closed / Lapsed

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