US6409754B1
Expired / Lapsed
US
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Flexible segmented stent
Assignee: Boston Scientific Scimed Inc
•
Filing: 1999-07-02
•
Granted: 2002-06-25
•
Expires: 2019-07-02
Abstract
Abstract A radially expandable segmented stent having plastic, i.e., permanent deformation, connectors interconnecting each segment.
Inventors
- 👤 Scott R. Smith
- 👤 Douglas P. Killion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:44
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/82; A61F2/86; A61F2/90; A61F2/91; A61F2/915; A61F2/89; A61F2002/91533; A61F2002/9155; A61F2002/91558; A61F2002/91591; A61F2230/00; A61F2230/0002; A61F2230/0028; A61F2230/0054
Claims Analysis
Total Claims: 37
Claim 1
Independent Claim
49 words
A segmented stent comprising a plurality of generally annular and radially expandable stent segments, segments which are adjacent to one another being interconnected by at least one interconnector element of a plastically deformable material wherein the stent segments are made of a material which does not exhibit permanent deformation.
Claim 2
Dependent Claim
49 words
A segmented stent comprising a plurality of generally annular and radially expandable stent segments, segments which are adjacent to one another being interconnected by at least one interconnector element of a plastically deformable material wherein the stent segments are made of a material which does not exhibit permanent deformation.
Claim 3
Dependent Claim
15 words
The segemented stent of claim 1 wherein the stent segments are of closed cell construction.
Claim 4
Dependent Claim
30 words
The segmented stent of claim 1 wherein the stent segments are coated with a polymeric material and the interconnector elements of plastically deformable material are fused to the polymeric material.
Claim 5
Dependent Claim
22 words
The segmented stent of claim 3 wherein the polymeric material and the interconnector elements of plastically deformable material are of different composition.
Claim 6
Dependent Claim
45 words
The segmented stent of claim 1 including at least one segment having at least one anchor point means for receiving one of the interconnector elements and the interconnector element received by the anchor point means includes interfitting means for connection to the anchor point means.
Claim 7
Dependent Claim
37 words
The segmented stent of claim 5 wherein the anchor point means forms a raised portion and the interfitting means on the interconnector element comprises an opening sized to fit over the anchor point means and interlock therewith.
Claim 8
Dependent Claim
36 words
The segmented stent of claim 5 wherein the interconnector element includes at each end a raised portion and the stent segments each include at least one opening sized to receive a raised portion and interlock therewith.
Claim 9
Dependent Claim
27 words
The segmented stent of claim 1 wherein each stent segment is designed and arranged as an independent stent body capable of individual support in a body vessel.
Claim 10
Dependent Claim
12 words
The segmented stent of claim 1 wherein the interconnector elements are biodegradable.
Claim 11
Dependent Claim
18 words
The segmented stent of claim 1 wherein the stent segments are of closed cell construction and are self-expandable.
Claim 12
Dependent Claim
62 words
A segmented stent comprising a plurality of generally annular and radially expandable stent segments, segments which are adjacent one another being interconnected by at least one interconnector element of a plastically deformable material having deformation properties which differ from those of the segments to provide flexible yet constrained relative motions between the stent segments wherein the stent segments are of self-expanding construction.
Claim 13
Dependent Claim
62 words
A segmented stent comprising a plurality of generally annular and radially expandable stent segments, segments which are adjacent one another being interconnected by at least one interconnector element of a plastically deformable material having deformation properties which differ from those of the segments to provide flexible yet constrained relative motions between the stent segments wherein the stent segments are of self-expanding construction.
Claim 14
Dependent Claim
16 words
The segmented stent of claim 11 wherein the stent segments are of a shape memory material.
Claim 15
Dependent Claim
75 words
A segmented stent comprising a plurality of generally annular and radially expandable stent segments, segments which are adjacent one another being interconnected by at least one interconnector element of a plastically deformable material to provide flexible yet constrained relative motions between the stent segments wherein the stent segments are of balloon expandable construction and are of metal and the interconnector elements are of a different metal, exhibiting different permanent deformation characteristics than the stent segments.
Claim 16
Dependent Claim
75 words
A segmented stent comprising a plurality of generally annular and radially expandable stent segments, segments which are adjacent one another being interconnected by at least one interconnector element of a plastically deformable material to provide flexible yet constrained relative motions between the stent segments wherein the stent segments are of balloon expandable construction and are of metal and the interconnector elements are of a different metal, exhibiting different permanent deformation characteristics than the stent segments.
Claim 17
Dependent Claim
43 words
A stent comprising a plurality of generally annular and radially self-expanding stent segments, segments which are adjacent one another being interconnected by at least one interconnector element of a viscoelastically deformable material to provide flexible yet constrained relative motions between the stent segments.
Claim 18
Dependent Claim
43 words
A stent comprising a plurality of generally annular and radially self-expanding stent segments, segments which are adjacent one another being interconnected by at least one interconnector element of a viscoelastically deformable material to provide flexible yet constrained relative motions between the stent segments.
Claim 19
Dependent Claim
15 words
The segmented stent of claim 14 wherein the stent segments are of closed cell construction.
Claim 20
Dependent Claim
37 words
The segmented stent of claim 14 wherein the stent segments are of balloon expandable construction and are of metal and the interconnector elements are of a different metal, exhibiting different permanent deformation characteristics than the stent segments.
Claim 21
Dependent Claim
27 words
The segmented stent of claim 14 wherein each stent segment is designed and arranged as an independent stent body capable of individual support in a body vessel.
Claim 22
Dependent Claim
12 words
The segmented stent of claim 14 wherein the interconnector elements are biodegradable.
Claim 23
Dependent Claim
18 words
The segmented stent of claim 14 wherein the stent segments are of closed cell construction and are self-expandable.
Claim 24
Dependent Claim
48 words
A stent comprising a plurality of generally annular and radially expandable metal stent segments of non-viscoelastically deformable material, segments which are adjacent one another being interconnected by at least one interconnector element of a viscoelastically deformable material to provide flexible yet constrained relative motions between the stent segments.
Claim 25
Dependent Claim
48 words
A stent comprising a plurality of generally annular and radially expandable metal stent segments of non-viscoelastically deformable material, segments which are adjacent one another being interconnected by at least one interconnector element of a viscoelastically deformable material to provide flexible yet constrained relative motions between the stent segments.
Claim 26
Dependent Claim
16 words
The segmented stent of claim 20 wherein the stent segments are of a shape memory material.
Claim 27
Dependent Claim
26 words
The segmented stent of claim 20 wherein the stent segments are coated with a polymeric material and the interconnector elements are fused to the polymer coating.
Claim 28
Dependent Claim
17 words
The segmented stent of claim 22 wherein the polymeric material and the interconnectors are of different compositions.
Claim 29
Dependent Claim
45 words
The segmented stent of claim 20 including at least one segment having at least one anchor point means for receiving one of the interconnector elements and the interconnector element received by the anchor point means includes interfitting means for connection to the anchor point means.
Claim 30
Dependent Claim
36 words
The segmented stent of claim 24 wherein the anchor point means forms a raised portion and the interfitting means on the interconnector comprises an opening sized to fit over the anchor point means and interlock therewith.
Claim 31
Dependent Claim
35 words
The segmented stent of claim 24 wherein the interconnector includes at each end a raised portion and the stent segments each include at least one opening sized to receive a raised portion and interlock therewith.
Claim 32
Dependent Claim
14 words
The segmented stent of claim 24 wherein the interconnector elements are of polymeric material.
Claim 33
Dependent Claim
56 words
An expandable stent comprising a plurality of generally annular stent segments made of a first material, segments which are adjacent one another being interconnected by at least one interconnector element of a second material having different deformation properties from the first material, the first material being a shape memory material and the second material plastically deformable.
Claim 34
Dependent Claim
56 words
An expandable stent comprising a plurality of generally annular stent segments made of a first material, segments which are adjacent one another being interconnected by at least one interconnector element of a second material having different deformation properties from the first material, the first material being a shape memory material and the second material plastically deformable.
Claim 35
Dependent Claim
15 words
The stent of claim 28 wherein the shape memory material is a shape memory metal.
Claim 36
Dependent Claim
54 words
An expandable stent comprising a plurality of generally annular stent segments including a first annular segment and a second annular segment, the first and second annular segments made of a first material and interconnected by at least one interconnector element of a second material, the second material of different composition from the first material.
Claim 37
Dependent Claim
54 words
An expandable stent comprising a plurality of generally annular stent segments including a first annular segment and a second annular segment, the first and second annular segments made of a first material and interconnected by at least one interconnector element of a second material, the second material of different composition from the first material.
References Cited (Backward Citations)
US5104404A
Cited
US5035706A
Cited
US5282824A
Cited
US5135536A
Cited
US6066168A
Cited
EP0541443A1
Cited
US5800456A
Cited
US5405377A
Cited
US5443496A
Cited
US5540712A
Cited
US5507771A
Cited
US5683450A
Cited
US5449373A
Cited
WO1995031945A1
Cited
US5902317A
Cited
US5601593A
Cited
US5807404A
Cited
WO1998020810A1
Cited
US5776162A
Cited
US5817126A
Cited
US5741327A
Cited
US5843175A
Cited
US6231598B1
Cited
US5938697A
Cited
US6264687B1
Cited
WO1999060953A1
Cited
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 2005-06-24 | 2005-12-24 | 2006-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2009-06-24 | 2009-12-24 | 2010-06-25 | $3760.00 | Window Closed / Lapsed |
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