US7011669B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device and method for treatment of atrioventricular regurgitation
Assignee: VALVIDA AB
•
Filing: 2003-03-10
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Granted: 2006-03-14
•
Expires: 2023-03-10
Abstract
Abstract A device and method for treatment of atrioventricular regurgitation comprises a suturing device. The suturing device is configured to be introducible, via blood vessels leading to the heart, to two leaflets of the atrioventricular valve between the atrium and a corresponding ventricle of the heart. The suturing device is configured for binding together the two leaflets along the free edges of the leaflets. A method of using the device includes inserting the suturing device into a catheter, introducing the catheter to the heart and positioning a distal end of the catheter close to two leaflets of an atrioventricular valve, capturing the free edges of the two leaflets with the suturing device in its open state, binding together the two leaflets by transition of the suturing device into its closed state, and retracting the catheter from the heart. As a result, the closing of the valve is improved.
Inventors
- 👤 Per Ola Kimblad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:42
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/064; A61B17/0644; A61B17/12; A61B17/122; A61B17/00234; A61B2017/00238; A61B2017/00243; A61B2017/00743; A61B2017/00778; A61B2017/00783; A61B2017/00831; A61B2017/00867; A61B2017/0641; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2442
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
123 words
A method of stabilizing a first heart valve leaflet in a heart, comprising: providing a delivery catheter; providing a clip formed from a temperature-activated memory material; securing the clip in a delivery state to the delivery catheter; advancing the clip to a desired position adjacent the first heart valve leaflet; transforming the clip from the delivery state to an open state, wherein the clip is in an open position with a clip opening configured to receive an edge of the first heart valve leaflet; positioning an edge of the first heart valve leaflet within the clip opening; and transforming the clip from the open state to a closed state, whereby the edge of the first heart valve leaflet is secured within the clip.
Claim 2
Independent Claim
123 words
A method of stabilizing a first heart valve leaflet in a heart, comprising: providing a delivery catheter; providing a clip formed from a temperature-activated memory material; securing the clip in a delivery state to the delivery catheter; advancing the clip to a desired position adjacent the first heart valve leaflet; transforming the clip from the delivery state to an open state, wherein the clip is in an open position with a clip opening configured to receive an edge of the first heart valve leaflet; positioning an edge of the first heart valve leaflet within the clip opening; and transforming the clip from the open state to a closed state, whereby the edge of the first heart valve leaflet is secured within the clip.
Claim 3
Dependent Claim
20 words
The method of claim 1 , wherein the memory metal of the clip biases the clip toward the closed state.
Claim 4
Dependent Claim
36 words
The method of claim 2 , wherein securing the clip in the delivery state to the delivery catheter comprises mechanically biasing the clip toward the open state and mechanically holding the clip in the delivery state.
Claim 5
Dependent Claim
26 words
The method of claim 3 , wherein transforming the clip to the open state comprises releasing the mechanical holding of the clip in the delivery state.
Claim 6
Dependent Claim
53 words
The method of claim 1 , further comprising: prior to transforming the clip to the closed state, positioning an edge of a second heart valve leaflet within the clip opening, whereby when the clip is transformed to the closed state the edge of the second heart valve leaflet is secured within the clip.
Claim 7
Independent Claim
83 words
An apparatus for securing a first heart valve leaflet, the apparatus comprising: a clip comprising a first end and a second end, the clip having an open state, a delivery state, and a closed state, the clip comprising a memory metal and being biased toward the closed state; and a delivery catheter, the delivery catheter comprising a first member configured to mechanically bias the clip toward the open state, and a second member configured to mechanically bias the clip toward the delivery state.
Claim 8
Independent Claim
83 words
An apparatus for securing a first heart valve leaflet, the apparatus comprising: a clip comprising a first end and a second end, the clip having an open state, a delivery state, and a closed state, the clip comprising a memory metal and being biased toward the closed state; and a delivery catheter, the delivery catheter comprising a first member configured to mechanically bias the clip toward the open state, and a second member configured to mechanically bias the clip toward the delivery state.
Claim 9
Dependent Claim
35 words
The apparatus of claim 6 , wherein the delivery catheter has a distal end and further comprises a needle at the distal end, the needle configured to puncture an interatrial septum of a patient's heart.
Claim 10
Dependent Claim
25 words
The apparatus of claim 6 , wherein the delivery catheter first member comprises a supportive rod configured to engage the first end of the clip.
Claim 11
Dependent Claim
30 words
The apparatus of claim 8 , wherein the supportive rod comprises a distal end having a needle thereon, the needle configured to puncture an interatrial septum of a patient's heart.
Claim 12
Dependent Claim
28 words
The apparatus of claim 9 , wherein the delivery catheter comprises a generally tubular outer member, and the supportive rod is slideable within the generally tubular outer member.
Claim 13
Dependent Claim
40 words
The apparatus of claim 6 , wherein the delivery catheter second member comprises a generally tubular member configured to slideably receive the clip, thereby engaging the second end of the clip and mechanically biasing the clip toward the delivery state.
Claim 14
Independent Claim
160 words
A method of stabilizing a first heart valve leaflet in a heart, comprising: providing a delivery catheter; providing a clip formed from a memory material; securing the clip in a delivery state to the delivery catheter; advancing the clip to a desired position adjacent the first heart valve leaflet, wherein advancing the clip comprises advancing the clip into the right atrium of the heart, puncturing the interatrial septum of the heart, and advancing the clip through the interatrial septum and into the left atrium of the heart; transforming the clip from the delivery state to an open state, wherein the clip is in an open position with a clip opening configured to receive an edge of the first heart valve leaflet; positioning an edge of the first heart valve leaflet within the clip opening; and transforming the clip from the open state to a closed state, whereby the edge of the first heart valve leaflet is secured within the clip.
Claim 15
Independent Claim
160 words
A method of stabilizing a first heart valve leaflet in a heart, comprising: providing a delivery catheter; providing a clip formed from a memory material; securing the clip in a delivery state to the delivery catheter; advancing the clip to a desired position adjacent the first heart valve leaflet, wherein advancing the clip comprises advancing the clip into the right atrium of the heart, puncturing the interatrial septum of the heart, and advancing the clip through the interatrial septum and into the left atrium of the heart; transforming the clip from the delivery state to an open state, wherein the clip is in an open position with a clip opening configured to receive an edge of the first heart valve leaflet; positioning an edge of the first heart valve leaflet within the clip opening; and transforming the clip from the open state to a closed state, whereby the edge of the first heart valve leaflet is secured within the clip.
Claim 16
Dependent Claim
20 words
The method of claim 12 , wherein the memory metal of the clip biases the clip toward the closed state.
Claim 17
Dependent Claim
36 words
The method of claim 13 , wherein securing the clip in the delivery state to the delivery catheter comprises mechanically biasing the clip toward the open state and mechanically holding the clip in the delivery state.
Claim 18
Dependent Claim
26 words
The method of claim 14 , wherein transforming the clip to the open state comprises releasing the mechanical holding of the clip in the delivery state.
Claim 19
Dependent Claim
53 words
The method of claim 12 , further comprising: prior to transforming the clip to the closed state, positioning an edge of a second heart valve leaflet within the clip opening, whereby when the clip is transformed to the closed state the edge of the second heart valve leaflet is secured within the clip.
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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) | 2009-03-13 | 2009-09-12 | 2010-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2013-03-13 | 2013-09-12 | 2014-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2017-03-13 | 2017-09-12 | 2018-03-14 | $7700.00 | Window Closed / Lapsed |