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US20090030512A1 Active / In Force US ⏱️ 0.8 years remaining

Circulatory valve, system and method

Assignee: Boston Scientific Scimed Inc
•
Filing: 2007-07-26
•
Granted: —
•
Expires: 2027-07-26
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Abstract

Abstract Apparatuses, systems, and methods for use in a vascular system. The apparatus include a circulatory valve having a valve frame in which frame members define frame cells. Frame cells include joints in opposing relationship, where the joints transition from a first stable equilibrium state through an unstable equilibrium state to a second stable equilibrium state as the joints are drawn towards each other.

Inventors

  • 👤 Joseph M. Thielen
  • 👤 Jason P. Hill
  • 👤 Mark L. Jenson
  • 👤 William J. Drasler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:07
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2427; A61F2/243; A61F2/2433; A61F2/2412; A61F2/2418; A61F2/2436; A61F2/2475; A61F2/82; A61F2/95; A61F2/2439; A61F2/962; A61F2/966; A61F2002/9665; A61F2210/00; A61F2210/0076; A61F2230/00; A61F2230/0002; A61F2230/0004; A61F2230/0013

Claims Analysis

Total Claims: 24
Claim 1
Independent Claim 58 words
1 . A circulatory valve, comprising: a valve frame having frame members defining frame cells with joints in opposing relationship, where the joints transition from a first stable equilibrium state through an unstable equilibrium state to a second stable equilibrium state as the joints are drawn towards each other; and a valve leaflet coupled to the valve frame.
Claim 2
Dependent Claim 58 words
1 . A circulatory valve, comprising: a valve frame having frame members defining frame cells with joints in opposing relationship, where the joints transition from a first stable equilibrium state through an unstable equilibrium state to a second stable equilibrium state as the joints are drawn towards each other; and a valve leaflet coupled to the valve frame.
Claim 3
Dependent Claim 45 words
2 . The circulatory valve of claim 1 , where the first stable equilibrium state and the second stable equilibrium state are positions of relative potential energy minimums to which the joints of the frame cells return when the unstable equilibrium state is not achieved.
Claim 4
Dependent Claim 29 words
3 . The circulatory valve of claim 1 , where the frame members includes a compliant segment that assists in holding the joints in the second stable equilibrium state.
Claim 5
Dependent Claim 31 words
4 . The circulatory valve of claim 1 , where the frame cells are positioned at at least one of a distal end and a proximal end of the valve frame.
Claim 6
Dependent Claim 37 words
5 . The circulatory valve of claim 1 , where the frame members define a predefined frame design that extends between the frame cells, where the predefined frame design and the frame cells have a different configuration.
Claim 7
Dependent Claim 32 words
6 . The circulatory valve of claim 1 , where the frame cells include a lock mechanism that engages to prevent the frame cell from transitioning from the second stable equilibrium state.
Claim 8
Dependent Claim 55 words
7 . The circulatory valve of claim 6 , where the lock mechanism includes a first engagement member that extends from a first joint to engage a second engagement member that extends from a second joint of the frame cell as the joints transition from the unstable equilibrium state to the second stable equilibrium state.
Claim 9
Dependent Claim 26 words
8 . The circulatory valve of claim 1 , where the first stable equilibrium state is eighty (80) to ninety-five (95) percent of a deployed state.
Claim 10
Dependent Claim 60 words
9 . A method for staged deployment of a circulatory valve, comprising: radially expanding a valve frame of the circulatory valve from an undeployed state to a first stable equilibrium state; and transitioning joints of the valve frame from the first stable equilibrium state through an unstable equilibrium state to a second stable equilibrium state to deploy the circulatory valve.
Claim 11
Dependent Claim 60 words
9 . A method for staged deployment of a circulatory valve, comprising: radially expanding a valve frame of the circulatory valve from an undeployed state to a first stable equilibrium state; and transitioning joints of the valve frame from the first stable equilibrium state through an unstable equilibrium state to a second stable equilibrium state to deploy the circulatory valve.
Claim 12
Dependent Claim 27 words
10 . The method of claim 9 , where radially expanding the valve frame from the undeployed state includes releasing the circulatory valve from the undeployed state.
Claim 13
Dependent Claim 42 words
11 . The method of claim 9 , where transitioning the joints from the first stable equilibrium state through the unstable equilibrium state to the second stable equilibrium state includes drawing the joints in each of a frame cell toward each other.
Claim 14
Dependent Claim 36 words
12 . The method of claim 11 , where stopping the movement of the joints in each frame cell before passing the unstable equilibrium state causes the joints to return toward the first stable equilibrium state.
Claim 15
Dependent Claim 30 words
13 . The method of claim 9 , where transitioning joints of the valve frame include pulling the joints through the unstable equilibrium state to the second stable equilibrium state.
Claim 16
Dependent Claim 23 words
14 . The method of claim 9 , including locking the valve frame in the second stable equilibrium state with a lock mechanism.
Claim 17
Dependent Claim 52 words
15 . The method of claim 9 , including flexing a compliant segment of the valve frame as the joints of the valve frame transition from the first stable equilibrium state through the unstable equilibrium state to the second stable equilibrium state to help hold the circulatory valve in the deployed state.
Claim 18
Dependent Claim 39 words
16 . The method of claim 9 , where transitioning the joints includes elastically deforming the joints from the first stable equilibrium state through the unstable equilibrium state to the second stable equilibrium state to deploy the circulatory valve.
Claim 19
Dependent Claim 38 words
17 . The method of claim 9 , where radially expanding the valve frame includes expanding the valve frame to eighty (80) to ninety-five (95) percent of the second stable equilibrium state for the first stable equilibrium state.
Claim 20
Dependent Claim 124 words
18 . A system, comprising: an elongate delivery catheter; a retractable sheath positioned around at least a portion of the elongate delivery catheter, where the retractable sheath moves longitudinally relative the elongate delivery catheter; a circulatory valve positioned between the elongate delivery catheter and the retractable sheath, where the circulatory valve includes a valve frame having frame members defining frame cells with joints in opposing relationship, and a valve leaflet coupled to the valve frame; and deployment threads that extend longitudinally between the elongate delivery catheter and the retractable sheath to the joints of the frame cells, where force applied through the deployment threads transitions the joints from a first stable equilibrium state through an unstable equilibrium state to a second stable equilibrium state.
Claim 21
Dependent Claim 124 words
18 . A system, comprising: an elongate delivery catheter; a retractable sheath positioned around at least a portion of the elongate delivery catheter, where the retractable sheath moves longitudinally relative the elongate delivery catheter; a circulatory valve positioned between the elongate delivery catheter and the retractable sheath, where the circulatory valve includes a valve frame having frame members defining frame cells with joints in opposing relationship, and a valve leaflet coupled to the valve frame; and deployment threads that extend longitudinally between the elongate delivery catheter and the retractable sheath to the joints of the frame cells, where force applied through the deployment threads transitions the joints from a first stable equilibrium state through an unstable equilibrium state to a second stable equilibrium state.
Claim 22
Dependent Claim 36 words
19 . The system of claim 18 , where the retractable sheath moves longitudinally relative the elongate delivery catheter to allow the circulatory valve to move from an undeployed state to the first stable equilibrium state.
Claim 23
Dependent Claim 27 words
20 . The system of claim 19 , where the first stable equilibrium state is eighty (80) to ninety-five (95) percent of the second stable equilibrium state.
Claim 24
Dependent Claim 66 words
21 . The system of claim 18 , including a push tube that extends longitudinally between the elongate delivery catheter and the retractable sheath to abut at least one of the joints, and where the deployment threads extend through the push tube to the joints of the frame cell to allow force to be applied to the joints between the deployment threads and the push tube.

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