US6129758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Products and methods for circulatory system valve repair
Assignee: CardioMend LLC
•
Filing: 1996-10-03
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Granted: 2000-10-10
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Expires: 2016-10-03
Abstract
Abstract A standardized and reproducible method and instruments related thereto for repair of atrio-ventricular, aortic and pulmonary valves is provided.
Inventors
- 👤 Jack W. Love
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:49
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2496; A61F2/2412; A61F2/2415; A61F2/2427
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
150 words
A surgical instrument for holding a piece of tissue in a configuration of at least one leaflet of a circulatory system valve to facilitate surgical attachment of the tissue, the instrument comprising: a. a first and second former having respective first and second tissue forming surfaces, wherein the first tissue forming surface is complementary and engagable to the second tissue forming surface, such that when tissue is placed between the first tissue forming surface and the second tissue forming surface, and the tissue forming surfaces are brought into complementary engagement, the tissue is held in a configuration of at least one leaflet of a closed or partially closed circulatory system valve; and b. a first handle attached to the first former and a second handle attached to the second former for holding the tissue forming surfaces in complementary engagement, whereby the tissue may be held in place for surgical attachment.
Claim 2
Dependent Claim
150 words
A surgical instrument for holding a piece of tissue in a configuration of at least one leaflet of a circulatory system valve to facilitate surgical attachment of the tissue, the instrument comprising: a. a first and second former having respective first and second tissue forming surfaces, wherein the first tissue forming surface is complementary and engagable to the second tissue forming surface, such that when tissue is placed between the first tissue forming surface and the second tissue forming surface, and the tissue forming surfaces are brought into complementary engagement, the tissue is held in a configuration of at least one leaflet of a closed or partially closed circulatory system valve; and b. a first handle attached to the first former and a second handle attached to the second former for holding the tissue forming surfaces in complementary engagement, whereby the tissue may be held in place for surgical attachment.
Claim 3
Dependent Claim
60 words
The instrument of claim 1 wherein the first tissue forming surface and the second tissue forming surface are configured such that when tissue is placed between the first tissue forming surface and the complementary second tissue forming surface, the tissue is held in a form suitable as a valve repair material for at least one leaflet of a tri-leaflet valve.
Claim 4
Dependent Claim
60 words
The instrument of claim 1 wherein the first tissue forming surface and the second tissue forming surface are configured such that when tissue is placed between the first tissue forming surface and the complementary second tissue forming surface, the tissue is held in a form suitable as a valve repair material for at least one leaflet of a bi-leaflet valve.
Claim 5
Dependent Claim
29 words
The instrument of claim 1 wherein the piece of tissue is held in a configuration of at least one leaflet of a closed or partially closed circulatory system valve.
Claim 6
Dependent Claim
31 words
The instrument of claim 1 wherein the piece of tissue is precut in a preestablished geometrical pattern corresponding to the shape of at least one leaflet of a circulatory system valve.
Claim 7
Dependent Claim
22 words
The instrument of claim 1 further comprising a means for limiting the rotation of the first handle relative to the second handle.
Claim 8
Dependent Claim
18 words
The instrument of claim 1 wherein at least one tissue forming surface further comprises a tissue retention region.
Claim 9
Dependent Claim
19 words
The instrument of claim 7 wherein the tissue retention region comprises an area of ridges, pebbling, etches or grooves.
Claim 10
Dependent Claim
16 words
The instrument of claim 1 wherein the first handle is slidably engageable with the second handle.
Claim 11
Dependent Claim
104 words
The instrument of claim 9 wherein: a) each tissue former has a back surface opposite the tissue forming surface, wherein the first handle is attached to the center of the tissue forming surface of the first former, and wherein the second handle is attached to the center of the back surface of the second former; and b) the handle of the second former has a hollow portion having a cross-sectional dimensions greater than the handle of the first former, such that the handle of the first former may be slidably engaged and inserted into the hollow portion of the handle of the second former.
Claim 12
Dependent Claim
13 words
The instrument of claim 10 wherein the handles have a corresponding polygonal shape.
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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) | 2003-10-10 | 2004-04-10 | 2004-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-10-10 | 2008-04-10 | 2008-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-10-10 | 2012-04-10 | 2012-10-10 | $7700.00 | Window Closed / Lapsed |