Patent US5800519A successfully refreshed from Google Patents.
US5800519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular medical prosthesis for use in a body lumen
Assignee: Kopin Corp
•
Filing: 1996-11-04
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Granted: 1998-09-01
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Expires: 2016-11-04
Abstract
Abstract An implantable self-expanding medical prosthesis. The prosthesis has a tube-form body with a body wall structure having a geometric pattern of cells defined by a series of elongate strands extending to regions of intersection and interlocking joints at said regions of intersection formed by a portion of at least one of said strands being helically wrapped about a portion of another.
Inventors
- 👤 David L. Sandock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:16
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/82; A61F2/86; A61F2/90; A61F2250/00; A61F2250/0058; A61F2250/0067
Claims Analysis
Total Claims: 46
Claim 1
Independent Claim
126 words
An implantable medical prosthesis, comprising: a tube-form body with a body wall structure having a geometric pattern of cells defined by a plurality of elongate strands extending to regions of intersection, and interlocking joints at said regions of intersection formed by a portion of at least one of said strands being helically wrapped through an angle of at least 360° about a portion of another said strand to form helically wrapped portions each having an axis, each strand in a cell having a strand angle relative to an axis of a joint in the cell that decreases upon circumferential expansion of the body, said interlocking joints constructed such that the axes of the helically wrapped portions are oriented substantially circumferentially with respect to said tube-form body.
Claim 2
Dependent Claim
126 words
An implantable medical prosthesis, comprising: a tube-form body with a body wall structure having a geometric pattern of cells defined by a plurality of elongate strands extending to regions of intersection, and interlocking joints at said regions of intersection formed by a portion of at least one of said strands being helically wrapped through an angle of at least 360° about a portion of another said strand to form helically wrapped portions each having an axis, each strand in a cell having a strand angle relative to an axis of a joint in the cell that decreases upon circumferential expansion of the body, said interlocking joints constructed such that the axes of the helically wrapped portions are oriented substantially circumferentially with respect to said tube-form body.
Claim 3
Dependent Claim
20 words
The prosthesis of claim 1 wherein portions of each of said plurality of strands are helically wrapped about each other.
Claim 4
Dependent Claim
42 words
The prosthesis of claim 1 wherein said interlocking joints are constructed such that the helically wrapped portions of said strands can move relative to each other when the prosthesis is subject to varying radial compressive forces while still maintaining said cell structure.
Claim 5
Dependent Claim
22 words
The prosthesis of claim 1 wherein said interlocking joints are constructed with said strands helically wrapped through a single 360 degree rotation.
Claim 6
Dependent Claim
11 words
The prosthesis of claim 1 wherein the said prosthesis is self-expanding.
Claim 7
Dependent Claim
16 words
The prosthesis of claim 1 wherein said strands are metal wires composed of a Nickel-Titanium alloy.
Claim 8
Dependent Claim
10 words
The prosthesis of claim 1 further including a sleeve-type covering.
Claim 9
Dependent Claim
31 words
The prosthesis of claim 1 fully constructed for use in the biliary system having a fully expanded diameter of about 10 mm, and compressible to a diameter of about 9 French.
Claim 10
Dependent Claim
11 words
The prosthesis of claim 1 constructed to plastically deform during expansion.
Claim 11
Dependent Claim
20 words
The prosthesis of claim 1 constructed of a shape memory material to enable expansion in response to a temperature change.
Claim 12
Dependent Claim
14 words
The prosthesis of claim 1 including a drug-delivery layer carried by said wall structure.
Claim 13
Dependent Claim
29 words
The prosthesis of claim 1 constructed as a temporary stent, with an end of said stent connected to a drawing member that permits withdrawing of said stent after deployment.
Claim 14
Dependent Claim
33 words
The prosthesis of claim 1 wherein the tube form body has a compressed state and an expanded state such that the strand angle is in the range of 35°-55° in the expanded state.
Claim 15
Dependent Claim
28 words
The prosthesis of claim 1 wherein a strand at a helically wrapped portion has a single 360° rotation relative to a second strand at the helically wrapped portion.
Claim 16
Dependent Claim
17 words
The prosthesis of claim 13 wherein each cell has a diamond shaped geometry in the expanded state.
Claim 17
Dependent Claim
29 words
The prosthesis of claim 13 constructed as a temporary stent, with an end of said stent connected to a drawing member that permits withdrawing of said stent after deployment.
Claim 18
Dependent Claim
35 words
The prosthesis of claim 1 wherein tube-form body expands from a compressed state to an expanded such that the strand angle in the expanded state is less than the strand angle in the compressed state.
Claim 19
Independent Claim
160 words
A system for treating an occluded body lumen, comprising; a prosthesis having a tube-form body with a body wall structure having a geometric pattern of cells defined by a series of elongate strands extending to regions of intersection, and interlocking joints at said regions of intersection formed by portions of said strands that are helically wrapped about each other through an angle of at least 360° to form helically wrapped portions each having an axis, said interlocking joints constructed such that the axes of the helically wrapped portions are oriented substantially circumferentially with respect to said tube-form body, and a delivery catheter constructed to receive said prosthesis in a compact state for delivery through the body to a desired site in said body lumen, the prosthesis having a length and a diameter in the compact state, and to allow expansion of said prosthesis to a larger diameter and a smaller length for engaging said body lumen at said desired site.
Claim 20
Independent Claim
160 words
A system for treating an occluded body lumen, comprising; a prosthesis having a tube-form body with a body wall structure having a geometric pattern of cells defined by a series of elongate strands extending to regions of intersection, and interlocking joints at said regions of intersection formed by portions of said strands that are helically wrapped about each other through an angle of at least 360° to form helically wrapped portions each having an axis, said interlocking joints constructed such that the axes of the helically wrapped portions are oriented substantially circumferentially with respect to said tube-form body, and a delivery catheter constructed to receive said prosthesis in a compact state for delivery through the body to a desired site in said body lumen, the prosthesis having a length and a diameter in the compact state, and to allow expansion of said prosthesis to a larger diameter and a smaller length for engaging said body lumen at said desired site.
Claim 21
Dependent Claim
23 words
The system of claim 18 wherein said delivery catheter includes a sheath constructed to maintain said prosthesis in compact form during said delivery.
Claim 22
Dependent Claim
42 words
The system of claim 18 wherein said interlocking joints are constructed such that the helically wrapped portions of said strands can move relative to each other when the prosthesis is subject to varying radial compressive force while still maintaining said cell structure.
Claim 23
Dependent Claim
17 words
The system of claim 20 wherein said strands are helically wrapped through a single 360 degree rotation.
Claim 24
Dependent Claim
16 words
The system of claim 21 wherein said strands are metal wires composed of an Nickel-Titanium alloy.
Claim 25
Dependent Claim
31 words
The system of claim 22 fully constructed for use in the biliary system having a fully expanded diameter of about 10 mm, and compressible to a diameter of about 9 French.
Claim 26
Independent Claim
176 words
A method for treating a body lumen, comprising: providing a prosthesis having a tube-form body with a body wall structure having a body length and a geometric pattern of cells defined by a series of elongate strands extending to regions of intersection, and interlocking joints at said regions of intersection formed by portions of said strands that are helically wrapped about each other through an angle of at least 360° to form helically wrapped portions each having an axis, said interlocking joints constructed such that the axes of the helically wrapped portions are oriented substantially circumferentially with respect to said tube-form body, providing a delivery catheter constructed to receive said prosthesis in a compact state for delivery to a desired site in said body lumen and to allow expansion of said prosthesis to a larger diameter for engaging said body lumen at said desired site, delivering said prosthesis to said site on said catheter, and releasing said prosthesis at said site such that the body length is reduced upon expansion of the diameter of the prosthesis.
Claim 27
Independent Claim
176 words
A method for treating a body lumen, comprising: providing a prosthesis having a tube-form body with a body wall structure having a body length and a geometric pattern of cells defined by a series of elongate strands extending to regions of intersection, and interlocking joints at said regions of intersection formed by portions of said strands that are helically wrapped about each other through an angle of at least 360° to form helically wrapped portions each having an axis, said interlocking joints constructed such that the axes of the helically wrapped portions are oriented substantially circumferentially with respect to said tube-form body, providing a delivery catheter constructed to receive said prosthesis in a compact state for delivery to a desired site in said body lumen and to allow expansion of said prosthesis to a larger diameter for engaging said body lumen at said desired site, delivering said prosthesis to said site on said catheter, and releasing said prosthesis at said site such that the body length is reduced upon expansion of the diameter of the prosthesis.
Claim 28
Dependent Claim
27 words
The method of claim 24 comprising: a method of treating a body lumen having a highly tortuous bend, by providing and delivering said prosthesis to said bend.
Claim 29
Dependent Claim
10 words
The method of claim 25 wherein said bend approaches 80°-90°.
Claim 30
Dependent Claim
21 words
The method of claim 24 wherein the delivering step further comprises introducing the prosthesis into a biliary tract of a patient.
Claim 31
Dependent Claim
17 words
The method of claim 27 wherein the prosthesis is extending along a curve in the biliary tract.
Claim 32
Dependent Claim
145 words
An implantable medical prosthesis comprising: a tube-form body with a body wall structure having a geometric pattern of cells defined by a plurality of elongate strands extending to regions of intersection, the tube-form body having a compact state and an expanded state; and interlocking joints formed by a portion of at least one of said strands being helically wrapped through an angle of at least 360° about a portion of another said strand, each interlocking joint having an axis extending through the helically wrapped portion, each strand in a cell having a strand angle relative to an axis of a joint in the cell in the range of 35°-55° when the tube-form body is in the expanded state, said interlocking joints constructed such that the axes of the helically wrapped portions of the interlocking joints are oriented substantially circumferentially with respect to said tube-form body.
Claim 33
Dependent Claim
145 words
An implantable medical prosthesis comprising: a tube-form body with a body wall structure having a geometric pattern of cells defined by a plurality of elongate strands extending to regions of intersection, the tube-form body having a compact state and an expanded state; and interlocking joints formed by a portion of at least one of said strands being helically wrapped through an angle of at least 360° about a portion of another said strand, each interlocking joint having an axis extending through the helically wrapped portion, each strand in a cell having a strand angle relative to an axis of a joint in the cell in the range of 35°-55° when the tube-form body is in the expanded state, said interlocking joints constructed such that the axes of the helically wrapped portions of the interlocking joints are oriented substantially circumferentially with respect to said tube-form body.
Claim 34
Dependent Claim
44 words
The prosthesis of claim 29 wherein the interlocking joints are constructed that the axis of said helically wrapped portions of said strands can move relative to each other when the prosthesis is subject to varying radial compressive forces while still maintaining said cell structure.
Claim 35
Dependent Claim
17 words
The prosthesis of claim 29 wherein said strands are helically wrapped through a single 360 degree rotation.
Claim 36
Dependent Claim
10 words
The prosthesis of claim 29 wherein said prosthesis is self-expanding.
Claim 37
Dependent Claim
16 words
The prosthesis of claim 29 wherein said strands are metal wires composed of a Nickel-Titanium alloy.
Claim 38
Dependent Claim
10 words
The prosthesis of claim 29 further including a sleeve-type covering.
Claim 39
Dependent Claim
31 words
The prosthesis of claim 29 fully constructed for use in the biliary system having a fully expanded diameter of about 10 mm, and compressible to a diameter of about 9 French.
Claim 40
Dependent Claim
11 words
The prosthesis of claim 29 constructed to plastically deform during expansion.
Claim 41
Dependent Claim
20 words
The prosthesis of claim 29 constructed of a shape memory material to enable expansion in response to a temperature change.
Claim 42
Dependent Claim
14 words
The prosthesis of claim 29 including a drug-delivery layer carried by said wall structure.
Claim 43
Dependent Claim
29 words
The prosthesis of claim 29 constructed as a temporary stent, with an end of said stent connected to a drawing member that permits withdrawing of said stent after deployment.
Claim 44
Independent Claim
164 words
A method for inserting a prosthesis in the biliary tract comprising: providing a prosthesis having a tube-form body with a body wall structure having a body length and a geometric pattern of cells defined by a series of elongate strands extending to regions of intersection, and interlocking joints at said regions of intersection formed by portions of said strands that are helically wrapped about each other through an angle of at least 360° to form helically wrapped portions are oriented substantially circumferentially with respect to said tube-form body; providing a delivery catheter constructed to receive said prosthesis in a compact state for deliver to a desired site in said biliary tract and to allow expansion of said prosthesis to a larger diameter for engaging said biliary tract at said desired site, delivering said prosthesis at said sire such that the body length is reduced upon expansion of the diameter of the prosthesis such that the prosthesis extends along a portion of the biliary tract.
Claim 45
Independent Claim
164 words
A method for inserting a prosthesis in the biliary tract comprising: providing a prosthesis having a tube-form body with a body wall structure having a body length and a geometric pattern of cells defined by a series of elongate strands extending to regions of intersection, and interlocking joints at said regions of intersection formed by portions of said strands that are helically wrapped about each other through an angle of at least 360° to form helically wrapped portions are oriented substantially circumferentially with respect to said tube-form body; providing a delivery catheter constructed to receive said prosthesis in a compact state for deliver to a desired site in said biliary tract and to allow expansion of said prosthesis to a larger diameter for engaging said biliary tract at said desired site, delivering said prosthesis at said sire such that the body length is reduced upon expansion of the diameter of the prosthesis such that the prosthesis extends along a portion of the biliary tract.
Claim 46
Dependent Claim
40 words
The method of claim 40 wherein each strand in a cell has a strand angle relative to the axis of a helically wrapped portion of a joint in the cell, the strand angle decreasing upon release in the biliary tract.
References Cited (Backward Citations)
US3425418A
Cited
US3868956A
Cited
US4776337A
Cited
US4776337B1
Cited
US4922905A
Cited
US5061275A
Cited
US5041126A
Cited
US4969458A
Cited
US5226913A
Cited
US5019090A
Cited
US4950227A
Cited
US4856516A
Cited
US4994071A
Cited
US5171262A
Cited
US5084065A
Cited
US5035706A
Cited
US5360443A
Cited
US5116365A
Cited
US5527354A
Cited
US5314472A
Cited
US5234457A
Cited
US5290305A
Cited
US5354309A
Cited
EP0556850A1
Cited
US5282823A
Cited
EP0565251A1
Cited
WO1994000178A1
Cited
WO1994003127A1
Cited
US5643339A
Cited
US5382259A
Cited
US5342348A
Cited
WO1994017754A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-08-31 | 2002-03-02 | 2002-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-08-31 | 2006-03-02 | 2006-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-08-31 | 2010-03-02 | 2010-09-01 | $7700.00 | Window Closed / Lapsed |