Interchangeable prosthetic valve
First Claim
1. A prosthetic valve to be positioned by an endoluminal approach, said prosthetic valve comprising:
- a tubular support radially deformable relative to a main axis between a deployed implantation position and a folded insertion position, said tubular support comprising a liquid-proof, solid cylindrical wall, said cylindrical wall comprising a tubular lattice covered in a liquid-proof stretchable film;
a flexible shutter connected to said tubular support and deformable between an obstruction position, wherein said shutter extends transversally, and a release position, wherein said shutter is contracted transversally under force of a flow of blood through said tubular support; and
a rigid stiffener member extending along an axial direction of said tubular support, said stiffener member being connected to said tubular support at least at two points spaced apart along the axial direction of said tubular support, said stiffener member being alternately engaged in mesh of said tubular lattice.
3 Assignments
0 Petitions
Accused Products
Abstract
The invention relates to a prosthetic valve which is endoluminally placeable and comprises a tubular support radially deformable with respect to a main axis (X-X) from an unfolded implanting position to a folded setting position. A flexible plug connected to the tubular support and deformable between a blocking position in which it is transversally stretched and a releasing position in which it is transversally contracted by the action of a flow circulating through said tubular support. The inventive valve also comprises a rigid chord which extends generally along the generatrix of the tubular support and is connected thereto at least at two points which are remote from each other along the axis thereof.
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Citations
20 Claims
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1. A prosthetic valve to be positioned by an endoluminal approach, said prosthetic valve comprising:
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a tubular support radially deformable relative to a main axis between a deployed implantation position and a folded insertion position, said tubular support comprising a liquid-proof, solid cylindrical wall, said cylindrical wall comprising a tubular lattice covered in a liquid-proof stretchable film; a flexible shutter connected to said tubular support and deformable between an obstruction position, wherein said shutter extends transversally, and a release position, wherein said shutter is contracted transversally under force of a flow of blood through said tubular support; and a rigid stiffener member extending along an axial direction of said tubular support, said stiffener member being connected to said tubular support at least at two points spaced apart along the axial direction of said tubular support, said stiffener member being alternately engaged in mesh of said tubular lattice. - View Dependent Claims (3, 7, 8, 9, 10)
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2. A prosthetic valve to be positioned by an endoluminal approach, said prosthetic valve comprising:
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a tubular support radially deformable relative to a main axis between a deployed implantation position and a folded insertion position; a flexible shutter connected to said tubular support and deformable between an obstruction position, wherein said shutter extends transversally, and a release position, wherein said shutter is contracted transversally under force of a flow of blood through said tubular support; and a rigid stiffener member extending along an axial direction of said tubular support, said stiffener member being connected to said tubular support at least at two points spaced apart along the axial direction of said tubular support; wherein said tubular support has a cylindrical middle trunk section and a frustoconical collar at each axial end of said trunk section, each frustoconical collar flaring away from said trunk section towards a respective end of said tubular support.
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4. A prosthetic valve to be positioned by an endoluminal approach, said prosthetic valve comprising:
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a tubular support radially deformable relative to a main axis between a deployed implantation position and a folded insertion position; a flexible shutter connected to said tubular support and deformable between an obstruction position, wherein said shutter extends transversally, and a release position, wherein said shutter is contracted transversally under force of a flow of blood through said tubular support; and a rigid stiffener member extending along an axial direction of said tubular support, said stiffener member being connected to said tubular support at least at two points spaced apart along the axial direction of said tubular support, wherein said stiffener member has a projecting end for connection to a prop for positioning and holding said prosthetic valve in place.
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5. A prosthetic valve to be positioned by an endoluminal approach, said prosthetic valve comprising:
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a tubular support radially deformable relative to a main axis between a deployed implantation position and a folded insertion position; a flexible shutter connected to said tubular support and deformable between an obstruction position, wherein said shutter extends transversally, and a release position, wherein said shutter is contracted transversally under force of a flow of blood through said tubular support; a rigid stiffener member extending along an axial direction of said tubular support, said stiffener member being connected to said tubular support at least at two points spaced apart along the axial direction of said tubular support; and converging legs extending from said tubular support to form a tripod, said legs being connected to one another at a connection point lying substantially on a central longitudinal axis of said tubular support.
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6. A prosthetic valve to be positioned by an endoluminal approach, said prosthetic valve comprising:
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a tubular support radially deformable relative to a main axis between a deployed implantation position and a folded insertion position; a flexible shutter connected to said tubular support and deformable between an obstruction position, wherein said shutter extends transversally, and a release position, wherein said shutter is contracted transversally under force of a flow of blood through said tubular support; and a rigid stiffener member extending along an axial direction of said tubular support, said stiffener member being connected to said tubular support at least at two points spaced apart along the axial direction of said tubular support; wherein said shutter has three membranes deformable between a closed position, wherein free edges of said membranes touch one another in pairs over half a length of said membranes, and an open position, wherein said membranes are spaced apart from one another for allowing passage of the flow of blood.
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11. A treatment kit comprising:
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a prosthetic valve to be positioned by an endoluminal approach, said prosthetic valve including; a tubular support radially deformable relative to a main axis between a deployed implantation position and a folded insertion position; a flexible shutter connected to said tubular support and deformable between an obstruction position, wherein said shutter extends transversally, and a release position, wherein said shutter is contracted transversally under force of a flow of blood through said tubular support; and a rigid stiffener member extending along an axial direction of said tubular support, said stiffener member being connected to said tubular support at least two points spaced apart along the axial direction of said tubular support; a catheter for positioning said prosthetic valve; and a prop for holding and positioning said prosthetic valve, said prop being configured to engage said stiffener member of said prosthetic valve, said prop extending lengthwise through said catheter such that a distal end of said prop protrudes from a distal end of said catheter during retraction of said catheter. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification