US6197054B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sutureless cuff for heart valves
Assignee: Corcym SRL
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Filing: 1998-09-01
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Granted: 2001-03-06
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Expires: 2018-09-01
Abstract
Abstract An improved mechanical heart valve that reduces the time required to perform heart valve replacement surgery is provided. The mechanical heart valve is comprised of a valve body and a plurality of staples extending around the valve body that are coupled to the valve body through at least one intermediate member.
Inventors
- 👤 James Henry Hamblin, Jr.
- 👤 Billy Ray Singleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:02
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/068; A61B17/0682; A61B17/0684; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2409; A61B17/00234; A61B2017/00238; A61B2017/00243
Claims Analysis
Total Claims: 42
Claim 1
Independent Claim
43 words
A mechanical heart valve comprising; a valve body; a backing plate coupled to said valve body; a plurality of staples for engaging a heart, said staples extending from and fixedly attached to said backing plate; and a cuff coupled to said valve body.
Claim 2
Dependent Claim
43 words
A mechanical heart valve comprising; a valve body; a backing plate coupled to said valve body; a plurality of staples for engaging a heart, said staples extending from and fixedly attached to said backing plate; and a cuff coupled to said valve body.
Claim 3
Dependent Claim
58 words
The mechanical heart valve of claim 1 , wherein said heart valve further comprises: a stiffening ring coupled to said valve body; a plurality of capture rings engageable with said stiffening ring; and a lock wire engageable with said stiffening ring and said valve body, wherein said backing plate is coupled to said valve body by said cuff.
Claim 4
Dependent Claim
62 words
The mechanical heart valve of claim 1 , wherein said heart valve further comprises: a stiffening ring coupled to said valve body; a capture ring coupling said cuff to said stiffening ring; and a lock wire coupling said stiffening ring and said valve body; wherein said cuff is positioned around at least a portion of said stiffening ring and said backing plate.
Claim 5
Dependent Claim
14 words
The mechanical heart valve of claim 1 , wherein said backing plate is rigid.
Claim 6
Dependent Claim
34 words
A mechanical heart valve comprising: a valve body; a stiffening ring coupled to said valve body; a backing plate coupled to said stiffening ring; and a plurality of staples positioned on said backing plate.
Claim 7
Dependent Claim
34 words
A mechanical heart valve comprising: a valve body; a stiffening ring coupled to said valve body; a backing plate coupled to said stiffening ring; and a plurality of staples positioned on said backing plate.
Claim 8
Dependent Claim
19 words
The mechanical heart valve of claim 5 , wherein said plurality of staples are attached to said backing plate.
Claim 9
Dependent Claim
20 words
The mechanical heart valve of claim 5 , wherein said plurality of staples are formed integrally with said backing plate.
Claim 10
Dependent Claim
26 words
The mechanical heart valve of claim 5 , further comprising a fabric material positioned around at least a portion of said backing plate and said staples.
Claim 11
Dependent Claim
22 words
The mechanical heart valve of claim 5 , wherein said staples have equal radial spacings ranging from approximately 30 to 40 degrees.
Claim 12
Dependent Claim
18 words
The mechanical heart valve of claim 5 , wherein said staples may vary in number from 9-12, inclusive.
Claim 13
Dependent Claim
15 words
The mechanical heart valve of claim 5 , wherein said staples have a circular cross-section.
Claim 14
Dependent Claim
40 words
The mechanical heart valve of claim 5 , wherein said staples have first and second ends, said first and second ends being spaced apart a distance ranging from approximately 0.375″-0.5″ prior to the heart valve being installed in a patient.
Claim 15
Dependent Claim
57 words
A mechanical heart valve, comprising: a valve body; a stiffening ring adapted for coupling to said valve body; and a backing plate adapted for coupling to said stiffening ring, said backing plate having a perimeter and a plurality of staples attached to said backing plate, said plurality of staples extending around the perimeter of said backing plate.
Claim 16
Dependent Claim
57 words
A mechanical heart valve, comprising: a valve body; a stiffening ring adapted for coupling to said valve body; and a backing plate adapted for coupling to said stiffening ring, said backing plate having a perimeter and a plurality of staples attached to said backing plate, said plurality of staples extending around the perimeter of said backing plate.
Claim 17
Dependent Claim
23 words
The mechanical heart valve of claim 13 , wherein said plurality of staples are equally spaced around the perimeter of said backing plate.
Claim 18
Dependent Claim
30 words
The mechanical heart valve of claim 13 , further comprising a fabric material positioned around at least a portion of said stiffening ring and at least some of said staples.
Claim 19
Dependent Claim
22 words
The mechanical heart valve of claim 13 , wherein said staples have equal radial spacings ranging from approximately 30 to 40 degrees.
Claim 20
Dependent Claim
18 words
The mechanical heart valve of claim 13 , wherein said staples may vary in number from 9-12, inclusive.
Claim 21
Dependent Claim
15 words
The mechanical heart valve of claim 13 , wherein said staples have a circular cross-section.
Claim 22
Dependent Claim
40 words
The mechanical heart valve of claim 13 , wherein said staples have first and second ends, said first and second ends being spaced apart a distance ranging from approximately 0.375″-0.5″ prior to the heart valve being installed in a patient.
Claim 23
Dependent Claim
70 words
A mechanical heart valve comprising: a valve body; a rigid ring coupled to said valve body, said ring having a perimeter and a plurality of staples attached to said ring and extending around the perimeter of said ring, each of said staples having a first end and a second end, said first and second ends being opposed to each other and being displaced towards each other to engage cardiac tissue.
Claim 24
Dependent Claim
70 words
A mechanical heart valve comprising: a valve body; a rigid ring coupled to said valve body, said ring having a perimeter and a plurality of staples attached to said ring and extending around the perimeter of said ring, each of said staples having a first end and a second end, said first and second ends being opposed to each other and being displaced towards each other to engage cardiac tissue.
Claim 25
Dependent Claim
15 words
The mechanical heart valve of claim 20 , wherein said ring is a stiffening ring.
Claim 26
Dependent Claim
22 words
The mechanical heart valve of claim 20 , wherein said plurality of staples are equally spaced around the perimeter of said ring.
Claim 27
Dependent Claim
29 words
The mechanical heart valve of claim 20 , further comprising a fabric material positioned around at least a portion of said ring and at least some of said staples.
Claim 28
Dependent Claim
22 words
The mechanical heart valve of claim 20 , wherein said staples have equal radial spacings ranging from approximately 30 to 40 degrees.
Claim 29
Dependent Claim
18 words
The mechanical heart valve of claim 20 , wherein said staples may vary in number from 9-12, inclusive.
Claim 30
Dependent Claim
15 words
The mechanical heart valve of claim 20 , wherein said staples have a circular cross-section.
Claim 31
Dependent Claim
33 words
The mechanical heart valve of claim 20 , wherein, said first and second ends are spaced apart a distance ranging from approximately 0.375″-0.5″ prior to the heart valve being installed in a patient.
Claim 32
Dependent Claim
29 words
A mechanical heart valve comprising: a valve body; a backing plate coupled to said valve body; a plurality of staples extending from and fixedly attached to said backing plate.
Claim 33
Dependent Claim
29 words
A mechanical heart valve comprising: a valve body; a backing plate coupled to said valve body; a plurality of staples extending from and fixedly attached to said backing plate.
Claim 34
Dependent Claim
37 words
A mechanical heart valve comprising: a valve body; a lock wire; a stiffening ring coupled to said valve body by said lock wire; and a plurality of staples extending from and fixedly attached to said stiffening ring.
Claim 35
Dependent Claim
37 words
A mechanical heart valve comprising: a valve body; a lock wire; a stiffening ring coupled to said valve body by said lock wire; and a plurality of staples extending from and fixedly attached to said stiffening ring.
Claim 36
Dependent Claim
63 words
A mechanical heart valve comprising: a valve body, a rigid first member coupled to said valve body, and a plurality of staples extending from and fixedly attached to said first member, each of said staples having a first end and a second end, said first and second ends being opposed to each other and being displaced towards each other to engage cardiac tissue.
Claim 37
Dependent Claim
63 words
A mechanical heart valve comprising: a valve body, a rigid first member coupled to said valve body, and a plurality of staples extending from and fixedly attached to said first member, each of said staples having a first end and a second end, said first and second ends being opposed to each other and being displaced towards each other to engage cardiac tissue.
Claim 38
Dependent Claim
80 words
A mechanical heart valve comprising; a valve body; a first member coupled to said valve body; a plurality of staples for engaging a heart, said staples extending from and fixedly attached to said first member, said first member being coupled to said valve body; each staple having a first end and a second end, said first and second ends opposing each other and being displaced towards each other to engage the heart; and a cuff coupled to said valve body.
Claim 39
Dependent Claim
80 words
A mechanical heart valve comprising; a valve body; a first member coupled to said valve body; a plurality of staples for engaging a heart, said staples extending from and fixedly attached to said first member, said first member being coupled to said valve body; each staple having a first end and a second end, said first and second ends opposing each other and being displaced towards each other to engage the heart; and a cuff coupled to said valve body.
Claim 40
Dependent Claim
16 words
The mechanical heart valve of claim 31 , wherein said first member comprises a stiffening ring.
Claim 41
Dependent Claim
22 words
The mechanical heart valve of claim 32 , wherein said stiffening ring is coupled to said valve body by a lock wire.
Claim 42
Dependent Claim
64 words
The mechanical heart valve of claim 31 wherein said valve body has an inflow side and an outflow side and wherein said first ends of said staples are near said inflow side before said first ends are displaced to engage the heart and said second ends of said staples are near said outflow side before said second ends are displaced to engage the heart.
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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) | 2004-03-05 | 2004-09-04 | 2005-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-03-05 | 2008-09-04 | 2009-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-03-05 | 2012-09-04 | 2013-03-06 | $7700.00 | Window Closed / Lapsed |