US6562063B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stent delivery apparatus and method
Assignee: Boston Scientific Scimed Inc
•
Filing: 1999-11-30
•
Granted: 2003-05-13
•
Expires: 2019-11-30
Abstract
Abstract A constrained stet has a plurality of stent retaining bands disposed about the stent which maintains the stent in a reduced diameter configuration. The stent is capable of being expanded from a reduced diameter configuration to a fully expanded configuration.
Inventors
- 👤 Charles L. Euteneuer
- 👤 Phlayne M. Fraser
- 👤 Paul H Burmeister
- 👤 Dean A. Peterson
- 👤 Andrew W. Buirge
- 👤 Susan M. Shoemaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:54
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/95; A61F2/958; A61F2/962; A61F2/966; A61F2/9662; A61M; A61M29/00; A61M29/02; A61F2/97; A61F2002/9583; A61F2002/9665; A61F2250/00; A61F2250/0058; A61F2250/0067; A61M25/00; A61M25/0043; A61M25/0045
Claims Analysis
Total Claims: 44
Claim 1
Independent Claim
74 words
A constrained stent comprising: a stent expandable from a reduced diameter configuration to a fully expanded configuration, the stent having an outer surface and an inner surface; a plurality of stent retaining bands disposed about the stent, each retaining band having an inner surface and an outer surface, the inner surface of the band disposed against the outer surface of the stent, the stent retaining bands maintaining the stent in the reduced diameter configuration.
Claim 2
Dependent Claim
74 words
A constrained stent comprising: a stent expandable from a reduced diameter configuration to a fully expanded configuration, the stent having an outer surface and an inner surface; a plurality of stent retaining bands disposed about the stent, each retaining band having an inner surface and an outer surface, the inner surface of the band disposed against the outer surface of the stent, the stent retaining bands maintaining the stent in the reduced diameter configuration.
Claim 3
Dependent Claim
24 words
The constrained stent of claim 1 wherein the retaining bands are constructed and arranged so as to release the stent in a predetermined sequence.
Claim 4
Dependent Claim
52 words
The constrained stent of claim 2 wherein the stent has a proximal portion, a distal portion and a middle portion disposed between the proximal and distal portions, and the retaining bands are constructed and arranged to release the middle portion of the stent before the proximal and distal portions of the stent.
Claim 5
Dependent Claim
17 words
The constrained stent of claim 2 wherein the plurality of retaining bands includes bands of different thicknesses.
Claim 6
Dependent Claim
17 words
The constrained stent of claim 2 wherein the plurality of retaining bands includes bands of different compositions.
Claim 7
Dependent Claim
12 words
The constrained stent of claim 1 wherein the stent is self expanding.
Claim 8
Dependent Claim
15 words
The constrained stent of claim 1 wherein the stent is a balloon assisted expanding stent.
Claim 9
Dependent Claim
17 words
The constrained stent of claim 1 further comprising a sleeve disposed about the exterior of the stent.
Claim 10
Dependent Claim
17 words
The constrained stent of claim 1 further comprising a liner disposed about the interior of the stent.
Claim 11
Dependent Claim
19 words
The constrained stent of claim 1 wherein the retaining bands are a disposed about the exterior of the stent.
Claim 12
Dependent Claim
100 words
A constrained stent comprising: a stent expandable from a reduced diameter configuration to a fully expanded configuration, the stent having an outer surface and an inner surface; and at least one stent retaining band disposed about the stent, the retaining band having an inner surface and an outer surface, the inner surface of the band disposed against the outer surface of the stent, the stent retaining band maintaining the stent in the reduced diameter configuration wherein the stent retaining band is made of a water soluble material selected from the group consisting of PEO, PVP, PVA, mannitol and complex carbohydrates.
Claim 13
Dependent Claim
100 words
A constrained stent comprising: a stent expandable from a reduced diameter configuration to a fully expanded configuration, the stent having an outer surface and an inner surface; and at least one stent retaining band disposed about the stent, the retaining band having an inner surface and an outer surface, the inner surface of the band disposed against the outer surface of the stent, the stent retaining band maintaining the stent in the reduced diameter configuration wherein the stent retaining band is made of a water soluble material selected from the group consisting of PEO, PVP, PVA, mannitol and complex carbohydrates.
Claim 14
Dependent Claim
50 words
A constrained stent comprising: a stent expandable from a reduced diameter configuration to a fully expanded configuration; and at least one stent retaining band disposed about the stent, the stent retaining band maintaining the stent in the reduced diameter configuration wherein the at least one retaining band has perforations therein.
Claim 15
Dependent Claim
50 words
A constrained stent comprising: a stent expandable from a reduced diameter configuration to a fully expanded configuration; and at least one stent retaining band disposed about the stent, the stent retaining band maintaining the stent in the reduced diameter configuration wherein the at least one retaining band has perforations therein.
Claim 16
Dependent Claim
25 words
The constrained stent of claim 12 wherein the density of perforations on the retaining band is varied along the retaining band in a predetermined way.
Claim 17
Dependent Claim
86 words
A constrained stent comprising: a stent expandable from a reduced diameter configuration to a fully expanded configuration, the stent having an outer surface and an inner surface; and at least one stent retaining band disposed about the stent, the retaining band having an inner surface and an outer surface, the inner surface of the band disposed against the outer surface of the stent, the stent retaining band maintaining the stent in the reduced diameter configuration wherein the composition of the band is varied in predetermined sections.
Claim 18
Dependent Claim
86 words
A constrained stent comprising: a stent expandable from a reduced diameter configuration to a fully expanded configuration, the stent having an outer surface and an inner surface; and at least one stent retaining band disposed about the stent, the retaining band having an inner surface and an outer surface, the inner surface of the band disposed against the outer surface of the stent, the stent retaining band maintaining the stent in the reduced diameter configuration wherein the composition of the band is varied in predetermined sections.
Claim 19
Dependent Claim
54 words
A constrained stent comprising: a stent expandable from a reduced diameter configuration to a fully expanded configuration; a plurality of stent retaining bands disposed about the stent, the stent retaining bands maintaining the stent in the reduced diameter configuration wherein the thickness of the retaining bands is varied in predetermined sections of the bands.
Claim 20
Dependent Claim
54 words
A constrained stent comprising: a stent expandable from a reduced diameter configuration to a fully expanded configuration; a plurality of stent retaining bands disposed about the stent, the stent retaining bands maintaining the stent in the reduced diameter configuration wherein the thickness of the retaining bands is varied in predetermined sections of the bands.
Claim 21
Dependent Claim
105 words
A constrained stent comprising: a stent expandable from a reduced diameter configuration to a fully expanded configuration, the stent having an outer surface and an inner surface; and at least one stent retaining band disposed about the stent, the retaining band having an inner surface and an outer surface, the inner surface of the band disposed against the outer surface of the stent, the stent retaining band maintaining the stent in the reduced diameter configuration, the band constructed and arranged so as to allow for a controlled expansion of the stent wherein desired portions of the stent are released to expand in a desired sequence.
Claim 22
Dependent Claim
105 words
A constrained stent comprising: a stent expandable from a reduced diameter configuration to a fully expanded configuration, the stent having an outer surface and an inner surface; and at least one stent retaining band disposed about the stent, the retaining band having an inner surface and an outer surface, the inner surface of the band disposed against the outer surface of the stent, the stent retaining band maintaining the stent in the reduced diameter configuration, the band constructed and arranged so as to allow for a controlled expansion of the stent wherein desired portions of the stent are released to expand in a desired sequence.
Claim 23
Dependent Claim
50 words
The constrained stent of claim 16 wherein the stent has a proximal portion, a distal portion and a middle portion disposed between the proximal and distal portions, the retaining band constructed and arranged to release the middle portion of the stent before the proximal and distal portions of the stent.
Claim 24
Dependent Claim
75 words
A constrained stent-graft comprising: a stent-graft expandable from a reduced diameter configuration to a fully expanded configuration, the stent-graft having an outer surface and an inner surface; and at least one stent-graft retaining band disposed about the stent-graft, the retaining band having an inner surface and an outer surface, the inner surface of the band disposed against the outer surface of the stent,-graft, the stent-graft retaining band maintaining the stent-graft in the reduced diameter configuration.
Claim 25
Dependent Claim
75 words
A constrained stent-graft comprising: a stent-graft expandable from a reduced diameter configuration to a fully expanded configuration, the stent-graft having an outer surface and an inner surface; and at least one stent-graft retaining band disposed about the stent-graft, the retaining band having an inner surface and an outer surface, the inner surface of the band disposed against the outer surface of the stent,-graft, the stent-graft retaining band maintaining the stent-graft in the reduced diameter configuration.
Claim 26
Dependent Claim
12 words
The constrained stent-graft of claim 18 comprising a sleeve comprised of collagen.
Claim 27
Dependent Claim
14 words
The constrained stent-graft of claim 19 wherein the collagen is carried on a support.
Claim 28
Dependent Claim
15 words
The constrained stent-graft of claim 20 wherein the support is a woven or braided fabric.
Claim 29
Dependent Claim
25 words
The constrained stent-graft of claim 20 wherein the support is made from a material selected from the group consisting of polyester, polyethylene, polyurethane and PTFE.
Claim 30
Dependent Claim
97 words
A prosthesis comprising: an expandable prosthesis expandable from a reduced diameter configuration to a fully expanded configuration, the expandable prosthesis having an outer surface and an inner surface, the expandable prosthesis characterized by a length; and at least one prosthesis retaining band disposed about the expandable prosthesis, the retaining band having an inner surface and an outer surface, the inner surface of the band disposed against the outer surface of the prosthesis, the prosthesis retaining band characterized by a length, wherein the length of the prosthesis retaining band is less than the length of the expandable prosthesis.
Claim 31
Dependent Claim
97 words
A prosthesis comprising: an expandable prosthesis expandable from a reduced diameter configuration to a fully expanded configuration, the expandable prosthesis having an outer surface and an inner surface, the expandable prosthesis characterized by a length; and at least one prosthesis retaining band disposed about the expandable prosthesis, the retaining band having an inner surface and an outer surface, the inner surface of the band disposed against the outer surface of the prosthesis, the prosthesis retaining band characterized by a length, wherein the length of the prosthesis retaining band is less than the length of the expandable prosthesis.
Claim 32
Dependent Claim
28 words
The prosthesis of claim 23 wherein the expandable prosthesis is selected from the group consisting of self-expanding stents, balloon expandable stents, non-self expanding stents, grafts and stent grafts.
Claim 33
Dependent Claim
31 words
The prosthesis of claim 23 where the expandable prosthesis is a stent made from a material selected from the group consisting of resilient metals, deformable metals, shape memory metals and plastic.
Claim 34
Dependent Claim
18 words
The prosthesis of claim 23 wherein the retaining band maintains the expandable prosthesis in a partially expanded configuration.
Claim 35
Dependent Claim
15 words
The prosthesis of claim 23 wherein the retaining band is attached to the expandable prosthesis.
Claim 36
Dependent Claim
74 words
A constrained prosthesis comprising: a prosthesis expandable from a reduced diameter configuration to a fully expanded configuration, the prosthesis having an outer surface and an inner surface,; a plurality of prosthesis retaining bands disposed about the prosthesis, each retaining band having an inner surface and an outer surface, the inner surface of the band disposed against the outer surface of the prosthesis, the prosthesis retaining bands maintaining the prosthesis in the reduced diameter configuration.
Claim 37
Dependent Claim
74 words
A constrained prosthesis comprising: a prosthesis expandable from a reduced diameter configuration to a fully expanded configuration, the prosthesis having an outer surface and an inner surface,; a plurality of prosthesis retaining bands disposed about the prosthesis, each retaining band having an inner surface and an outer surface, the inner surface of the band disposed against the outer surface of the prosthesis, the prosthesis retaining bands maintaining the prosthesis in the reduced diameter configuration.
Claim 38
Dependent Claim
18 words
The constrained prosthesis of claim 28 wherein the prosthesis retaining bands are made of a water soluble material.
Claim 39
Dependent Claim
97 words
The constrained prosthesis of claim 28 , the prosthesis having a proximal portion, a distal portion and a medial portion disposed between the proximal portion and the distal portion and the plurality of prosthesis retaining bands including a proximal retaining band disposed about the proximal portion of the prosthesis, a distal retaining band disposed about the distal portion of the prosthesis and a medial retaining band disposed about the medial portion of the prosthesis, wherein the medial retaining band is constructed and arranged to release sooner than the proximal and distal retaining bands in a bodily vessel.
Claim 40
Dependent Claim
26 words
The constrained prosthesis of claim 30 wherein the medial retaining band is made of a composition of lower molecular weight the proximal and distal retaining bands.
Claim 41
Dependent Claim
23 words
The constrained prosthesis of claim 30 wherein the medial retaining band is thinner than the proximal retaining band and the distal retaining band.
Claim 42
Dependent Claim
32 words
The constrained prosthesis of claim 30 wherein the density of perforations in the medial retaining band exceeds the density of perforations in the proximal retaining band and in the distal retaining band.
Claim 43
Dependent Claim
101 words
The constrained prosthesis of claim 28 , the prosthesis having a proximal portion, a distal portion and a medial portion disposed between the proximal portion and the distal portion and the plurality of prosthesis retaining bands including a proximal retaining band disposed about the proximal portion of the prosthesis, a distal retaining band disposed about the distal portion of the prosthesis and a medial retaining band disposed about the medial portion of the prosthesis, wherein at least one of the proximal and distal retaining bands is constructed and arranged to release sooner than the medial retaining and in a bodily vessel.
Claim 44
Dependent Claim
28 words
The constrained prosthesis of claim 28 , wherein at least some of the retaining band are constructed and arranged to release sooner than other of the retaining bands.
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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) | 2006-05-12 | 2006-11-11 | 2007-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2010-05-12 | 2010-11-11 | 2011-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2014-05-12 | 2014-11-11 | 2015-05-13 | $7700.00 | Window Closed / Lapsed |