US6676666B2
Expired / Lapsed
US
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Medical device delivery system with two sheaths
Assignee: Boston Scientific Scimed Inc
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Filing: 2001-06-20
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Granted: 2004-01-13
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Expires: 2021-06-20
Abstract
Abstract A medical device delivery system is disclosed which has a distal inner sheath and a distal outer sheath covering a medical device mounting region and any medical device mounted thereon. The outer sheath is designed to retain the medical device for lengthy periods of time while the inner sheath is designed to retain the sheath for shorter periods of time.
Inventors
- 👤 Anthony C. Vrba
- 👤 David J. Sogard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:14
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/95; A61F2/962; A61F2/966; A61F2/01; A61F2/011; A61F2/958; A61F2/02; A61F2/04; A61F2/06; A61F2/07; A61F2/9522; A61F2230/00; A61F2230/0002; A61F2230/0004; A61F2230/0006; A61F2230/0028; A61F2230/005
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
98 words
A medical device delivery system for delivering a stent, the delivery system comprising a single catheter, the single catheter having a proximal region and a distal region, the single catheter comprising: an inner member, the inner member having a distal tip; a perforated inner sheath disposed about at least a portion of the inner member; a distal outer sheath disposed about at least a portion of the perforated inner sheath and removably engaged to the distal tip; and an outer sheath retraction device extending from the outer sheath to the proximal region of the medical device delivery system.
Claim 2
Dependent Claim
98 words
A medical device delivery system for delivering a stent, the delivery system comprising a single catheter, the single catheter having a proximal region and a distal region, the single catheter comprising: an inner member, the inner member having a distal tip; a perforated inner sheath disposed about at least a portion of the inner member; a distal outer sheath disposed about at least a portion of the perforated inner sheath and removably engaged to the distal tip; and an outer sheath retraction device extending from the outer sheath to the proximal region of the medical device delivery system.
Claim 3
Dependent Claim
22 words
The medical device delivery system of claim 1 further comprising a stent disposed between the perforated inner sheath and the inner member.
Claim 4
Dependent Claim
19 words
The medical device delivery system of claim 2 wherein the inner member is in the form of a tube.
Claim 5
Dependent Claim
20 words
The medical device delivery system of claim 2 wherein the catheter is configured for use as a rapid exchange catheter.
Claim 6
Dependent Claim
19 words
The medical device delivery system of claim 2 wherein the catheter is configured for use as an over-the-wire catheter.
Claim 7
Dependent Claim
89 words
A medical device delivery system for delivering a stent, the delivery system comprising a single catheter, the single catheter having a proximal region and a distal region, the single catheter comprising: an inner member, the inner member having a distal tip; a scored inner sheath disposed about the inner member; an outer sheath disposed about the scored inner sheath and removably engaged to the distal tip; and an outer sheath retraction device extending proximally from the distal outer sheath to the proximal region of the medical device delivery system.
Claim 8
Dependent Claim
89 words
A medical device delivery system for delivering a stent, the delivery system comprising a single catheter, the single catheter having a proximal region and a distal region, the single catheter comprising: an inner member, the inner member having a distal tip; a scored inner sheath disposed about the inner member; an outer sheath disposed about the scored inner sheath and removably engaged to the distal tip; and an outer sheath retraction device extending proximally from the distal outer sheath to the proximal region of the medical device delivery system.
Claim 9
Dependent Claim
17 words
The medical device delivery system of claim 6 further comprising a stent disposed about the inner member.
Claim 10
Dependent Claim
20 words
The medical device delivery system of claim 6 further comprising a stent, the scored inner sheath disposed about the stent.
Claim 11
Dependent Claim
31 words
The medical device delivery system of claim 6 further comprising an expandable medical device disposed between the inner member and the scored inner sheath, the expandable medical device comprising a stent.
Claim 12
Dependent Claim
19 words
The medical device delivery system of claim 6 wherein the inner member is in the form of a tube.
Claim 13
Dependent Claim
20 words
The medical device delivery system of claim 6 wherein the catheter is configured for use as a rapid exchange catheter.
Claim 14
Dependent Claim
19 words
The medical device delivery system of claim 6 wherein the catheter is configured for use as an over-the-wire catheter.
Claim 15
Dependent Claim
21 words
The medical device delivery system of claim 6 wherein the scored inner sheath is less creep resistant than the outer sheath.
Claim 16
Dependent Claim
89 words
A medical device delivery system for delivering a stent, the delivery system comprising a single catheter, the single catheter having a proximal region and a distal region, the single catheter comprising: an inner member, the inner member having a distal tip; an inner tear away sheath disposed about the inner member; an outer sheath disposed about the inner tear away sheath and removably engaged to the distal tip; and an outer sheath retraction device extending from the outer sheath to the proximal region of the medical device delivery system.
Claim 17
Dependent Claim
89 words
A medical device delivery system for delivering a stent, the delivery system comprising a single catheter, the single catheter having a proximal region and a distal region, the single catheter comprising: an inner member, the inner member having a distal tip; an inner tear away sheath disposed about the inner member; an outer sheath disposed about the inner tear away sheath and removably engaged to the distal tip; and an outer sheath retraction device extending from the outer sheath to the proximal region of the medical device delivery system.
Claim 18
Dependent Claim
31 words
The medical device delivery system of claim 14 further comprising an expandable medical device disposed between the inner member and the scored inner sheath, the expandable medical device comprising a stent.
Claim 19
Dependent Claim
27 words
The medical device delivery system of claim 15 wherein the inner tear away sheath is in the form of an openable sheath which has been glued shut.
Claim 20
Dependent Claim
22 words
The medical device delivery system of claim 15 wherein the inner tear away sheath is in the form of a scored sheath.
Claim 21
Dependent Claim
31 words
The medical device delivery system of claim 15 wherein the inner tear away sheath is made of a material selected from the group consisting of PTFE, Pebax, polyurethane, polyethylene and polyimide.
Claim 22
Dependent Claim
82 words
The medical device delivery system of claim 14 wherein the inner tear away sheath has an inner surface facing the inner member and an outer surface facing the outer sheath and the outer sheath has an inner surface facing the inner tear away sheath and an outer surface facing outward and a lubricant is applied to at least a portion of at least one of the outer surface of the inner tear away sheath and the inner surface of the outer sheath.
Claim 23
Dependent Claim
20 words
The medical device delivery system of claim 14 wherein the outer sheath is thicker than the inner tear away sheath.
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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) | 2007-01-12 | 2007-07-14 | 2008-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2011-01-12 | 2011-07-14 | 2012-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2015-01-12 | 2015-07-14 | 2016-01-13 | $7700.00 | Window Closed / Lapsed |