US6270527B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic valve with partially exposed stent
Assignee: Sorin Group Italia SRL
•
Filing: 1998-10-16
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Granted: 2001-08-07
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Expires: 2018-10-16
Abstract
Abstract A valve includes an elastic valve body and a stent. A first portion of the stent is embedded in the elastic valve body and a second portion of the stent is outside the valve body. A method of manufacturing such a valve is also claimed.
Inventors
- 👤 Louis A. Campbell
- 👤 Riyad Moe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:40
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2412; A61F2/2409; A61F2/2415; A61F2220/00; A61F2220/0025; A61F2220/0075; Y; Y10; Y10S; Y10S623/00; Y10S623/90
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
45 words
A valve comprising: a polymer valve body; a stent, a first portion of the stent being embedded in the valve body and a second portion of the stent being outside he valve body, and a sewing ring coupled to the second portion of the stent.
Claim 2
Dependent Claim
45 words
A valve comprising: a polymer valve body; a stent, a first portion of the stent being embedded in the valve body and a second portion of the stent being outside he valve body, and a sewing ring coupled to the second portion of the stent.
Claim 3
Dependent Claim
20 words
The valve of claim 1 wherein the sewing ring is coupled to the second portion of the stent with sutures.
Claim 4
Dependent Claim
20 words
The valve of claim 1 wherein the sewing ring is coupled to the second portion of the stent with cloth.
Claim 5
Dependent Claim
47 words
The valve of claim 1 further comprising a coupling element coupled to the second portion of the stent; and wherein the sewing ring comprises sewing ring fabric; and the sewing ring is coupled to the coupling element by wrapping the sewing ring fabric around the coupling element.
Claim 6
Dependent Claim
21 words
The valve of claim 1 wherein the valve body comprises an embedding layer for embedding the first portion of the stent.
Claim 7
Dependent Claim
31 words
The valve of claim 5 wherein the embedding layer comprises a first portion for embedding a peak of the stent; and a second portion for embedding a base of the stent.
Claim 8
Dependent Claim
11 words
The valve of claim 1 wherein the valve body comprises silicone.
Claim 9
Dependent Claim
15 words
The valve of claim 1 wherein the stent is insert molded into the valve body.
Claim 10
Dependent Claim
17 words
The valve of claim 1 wherein the valve body comprises molded features that mechanically capture the stent.
Claim 11
Dependent Claim
45 words
A valve comprising: an elastic valve body having a plurality of flexible leaflets; a stent comprising a first portion embedded in the valve body and a second portion outside the valve body, a sewing ring, and a coupling connecting the sewing ring to the stent.
Claim 12
Dependent Claim
45 words
A valve comprising: an elastic valve body having a plurality of flexible leaflets; a stent comprising a first portion embedded in the valve body and a second portion outside the valve body, a sewing ring, and a coupling connecting the sewing ring to the stent.
Claim 13
Dependent Claim
54 words
A valve comprising: a polymer valve body having a plurality of flexible leaflets; a unitary stent, a first portion of the stent being embedded in the valve body and a second portion of the stent being outside the valve body, a sewing ring; and a coupling for joining the sewing ring to the stent.
Claim 14
Dependent Claim
54 words
A valve comprising: a polymer valve body having a plurality of flexible leaflets; a unitary stent, a first portion of the stent being embedded in the valve body and a second portion of the stent being outside the valve body, a sewing ring; and a coupling for joining the sewing ring to the stent.
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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) | 2004-08-06 | 2005-02-05 | 2005-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-08-06 | 2009-02-05 | 2009-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-08-06 | 2013-02-05 | 2013-08-07 | $7700.00 | Window Closed / Lapsed |