US5716398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mitral valve rotator assembly
Assignee: Edwards Lifesciences Corp
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Filing: 1995-01-23
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Granted: 1998-02-10
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Expires: 2015-01-23
Abstract
Abstract A valve rotator comprising a body having a generally annular peripheral surface at one end of the body and a central cavity opening at such end. The annular peripheral surface substantially surrounds the central cavity and has an interlocking surface region configured to interlock with a rotor of a rotatable valve. The body had a generally annular shoulder adjacent such one end which generally faces such end of the body. The annular peripheral surface extends toward that end of the body from the annular shoulder.
Inventors
- 👤 Robert Sparks
- 👤 Chris Kingsbury
- 👤 David W. Wieting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:38
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2409; A61F2/2427; A61F2/2403; Y; Y10; Y10S; Y10S623/00; Y10S623/902; Y10S623/904
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
194 words
A valve rotator adapted to be used for engaging and rotating a heart valve rotor which is rotatably mounted in a frame that is formed for suturing to tissue, the heart valve rotor including one or more valve leaflets and a surface having a plurality of regions, the valve rotator comprising: a body having a first portion extending out from the body, the body first portion comprising a distal end and an annular wall extending from the distal end of the first portion, the annular wall having a plurality of regions that include at least three outer flat surfaces alternating with at least three arcuate outer surfaces, the plurality of regions of the body first portion adapted to be adjacent the heart valve rotor surface and the plurality of regions of the heart valve rotor surface including complementary inner surfaces configured to releasably abut the outer surfaces of the annular wall when the complementary surfaces are brought into alignment by rotation of the body, the complementary surfaces being configured to bear against each other when the body is further rotated, whereby rotation of the body rotates the rotor; and means for rotating the body.
Claim 2
Dependent Claim
194 words
A valve rotator adapted to be used for engaging and rotating a heart valve rotor which is rotatably mounted in a frame that is formed for suturing to tissue, the heart valve rotor including one or more valve leaflets and a surface having a plurality of regions, the valve rotator comprising: a body having a first portion extending out from the body, the body first portion comprising a distal end and an annular wall extending from the distal end of the first portion, the annular wall having a plurality of regions that include at least three outer flat surfaces alternating with at least three arcuate outer surfaces, the plurality of regions of the body first portion adapted to be adjacent the heart valve rotor surface and the plurality of regions of the heart valve rotor surface including complementary inner surfaces configured to releasably abut the outer surfaces of the annular wall when the complementary surfaces are brought into alignment by rotation of the body, the complementary surfaces being configured to bear against each other when the body is further rotated, whereby rotation of the body rotates the rotor; and means for rotating the body.
Claim 3
Dependent Claim
40 words
The valve rotator of claim 1 wherein the heart valve rotor has an opening, the body being further formed to allow for essentially free movement of the valve leaflets when the body first portion is received by the rotor opening.
Claim 4
Dependent Claim
43 words
The valve rotator of claim 2 wherein the complementary surfaces of the plurality of regions of the heart valve rotor are flat surfaces which are spatially separated to allow for individual alignment with respective ones of the flat surfaces of the annular wall.
Claim 5
Dependent Claim
38 words
The valve rotator of claim 1 wherein the complementary surfaces are shaped to allow the body first portion and the heart valve rotor to be disengaged by sliding the body first portion outward from the heart valve rotor.
Claim 6
Dependent Claim
76 words
The valve rotator of claim 1 wherein the body further includes an annular shoulder which extends radially out from the body at a location adjacent to the annular wall, and the heart valve rotor further comprises a housing having a shoulder, wherein the body annular shoulder is dimensioned and shaped to engage the shoulder of the heart valve rotor when the annular wall is received in the rotor to limit further movement of the annular wall.
Claim 7
Dependent Claim
17 words
The valve rotator of claim 1 wherein the rotating means is a handle coupled to the body.
Claim 8
Dependent Claim
42 words
The valve rotator of claim 1 wherein the complementary surfaces of the body first portion and the heart valve rotor ensure for disengagement between the body first portion and the heart valve rotor with essentially no movement of the heart valve rotor.
Claim 9
Dependent Claim
191 words
An assembly comprising: a rotatable heart valve comprising a heart valve rotor and a frame which is formed for suturing to tissue, the heart valve rotor rotatably mounted in the frame and including one or more valve leaflets and a surface having a plurality of regions; and a valve rotator comprising: (a) a body having a first portion extending out from the body, the body first portion comprising a distal end and an annular wall extending from the distal end of the first portion, the annular wall having a plurality of regions that include at least three outer flat surfaces alternating with at least three arcuate outer surfaces, the plurality of regions of the body first portion adjacent the heart valve rotor surface and the plurality of regions of the heart valve rotor surface being configured with complementary inner surfaces which releasably abut the outer surfaces of the annular wall when the complementary surfaces are brought into alignment by rotation of the body, which complementary surfaces bear against each other when the body is further rotated, whereby rotation of the body rotates the rotor; and (b) means for rotating the body.
Claim 10
Dependent Claim
191 words
An assembly comprising: a rotatable heart valve comprising a heart valve rotor and a frame which is formed for suturing to tissue, the heart valve rotor rotatably mounted in the frame and including one or more valve leaflets and a surface having a plurality of regions; and a valve rotator comprising: (a) a body having a first portion extending out from the body, the body first portion comprising a distal end and an annular wall extending from the distal end of the first portion, the annular wall having a plurality of regions that include at least three outer flat surfaces alternating with at least three arcuate outer surfaces, the plurality of regions of the body first portion adjacent the heart valve rotor surface and the plurality of regions of the heart valve rotor surface being configured with complementary inner surfaces which releasably abut the outer surfaces of the annular wall when the complementary surfaces are brought into alignment by rotation of the body, which complementary surfaces bear against each other when the body is further rotated, whereby rotation of the body rotates the rotor; and (b) means for rotating the body.
Claim 11
Dependent Claim
39 words
The assembly of claim 8 wherein the heart valve rotor has an opening, the body being further formed to allow for essentially free movement of the valve leaflets when the body first portion is received by the rotor opening.
Claim 12
Dependent Claim
42 words
The assembly of claim 9 wherein the complementary surfaces of the plurality of regions of the heart valve rotor are flat surfaces which are spatially separated to allow for individual alignment with respective ones of the flat surfaces of the annular wall.
Claim 13
Dependent Claim
37 words
The assembly of claim 8 wherein the complementary surfaces are shaped to allow the body first portion and the heart valve rotor to be disengaged by sliding the body first portion outward from the heart valve rotor.
Claim 14
Dependent Claim
75 words
The assembly of claim 8 wherein the body further includes an annular shoulder which extends radially out from the body at a location adjacent to the annular wall, and the heart valve rotor further comprises a housing having a shoulder, wherein the body annular shoulder is dimensioned and shaped to engage the shoulder of the heart valve rotor when the annular wall is received in the rotor to limit further movement of the annular wall.
Claim 15
Dependent Claim
18 words
The assembly of claim 8 wherein the rotating means is a handle which is coupled to the body.
Claim 16
Dependent Claim
41 words
The assembly of claim 8 wherein the complementary surfaces of the body first portion and the heart valve rotor ensure for disengagement between the body first portion and the heart valve rotor with essentially no movement of the heart valve rotor.
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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) | 2001-02-09 | 2001-08-11 | 2002-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-02-09 | 2005-08-11 | 2006-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-02-09 | 2009-08-11 | 2010-02-10 | $7700.00 | Window Closed / Lapsed |