Abstract: Stent-valves (e.g., single-stent-valves and double-stent-valves), associated methods and systems for their delivery via minimally-invasive surgery, and guide-wire compatible closure devices for sealing access orifices are provided.
Type:
Grant
Filed:
June 23, 2017
Date of Patent:
June 11, 2019
Assignee:
SYMETIS SA
Inventors:
Ludwig K. Von Segesser, Stephane Delaloye
Abstract: Stent-valves (e.g., single-stent-valves and double-stent-valves), associated methods and systems for their delivery via minimally-invasive surgery, and guide-wire compatible closure devices for sealing access orifices are provided.
Type:
Grant
Filed:
June 23, 2017
Date of Patent:
May 28, 2019
Assignee:
Symetis SA
Inventors:
Ludwig K. Von Segesser, Stephane Delaloye
Abstract: A delivery catheter for a prosthetic heart valve, the valve expandable from a collapsed condition for delivery to an ex paneled condition for implantation, the delivery catheter comprising: a holder for engaging the valve in the collapsed state of the valve, the holder configured such that (i) in response to a radial compression force exerted thereon, the holder has a first shape defining an exposed engagement region for engaging at least a portion of the collapsed prosthetic heart valve for restraining axial displacement of the prosthetic valve in at least one axial direction of the catheter, and (ii) in response to removal of the radial compression force upon expansion of the valve, at least a portion of the holder transitions to a second shape.
Abstract: The present disclosure pertains to delivery devices for prosthetic heart valves, components for such devices, and methods for manufacturing and delivering such components and devices.
Type:
Application
Filed:
October 25, 2018
Publication date:
April 25, 2019
Applicant:
Symetis SA
Inventors:
David Atlani, Pierre Simonin, Jean-Luc Hefti, Stephane Delaloye, Luc Mantanus, Stephane de Boer
Abstract: Stent-valves (e.g., single-stent-valves and double-stent-valves), associated methods and systems for their delivery via minimally-invasive surgery, and guide-wire compatible closure devices for sealing access orifices are provided.
Type:
Grant
Filed:
January 18, 2017
Date of Patent:
April 23, 2019
Assignee:
SYMETIS SA
Inventors:
Ludwig K. Von Segesser, Stéphane Delaloye
Abstract: A stent-valve for transcatheter implantation to replace a cardiac valve, the stent valve being compressible to a compressed state for delivery, and expandable to an operative state for implantation, the stent-valve comprising a stent, a plurality of leaflets for defining a prosthetic valve, an inner skirt, an outer skirt, and a paravalve seal for sealing against surrounding tissue. In some embodiments, the paravalve seal comprises material that swells in response to contact with blood. In some embodiments, the seal comprises a flap or pocket that is distensible in response to backpressure and/or paravalve back-flow of blood.
Abstract: Apparatus (40) for compressing a transcatheter cardiac stent-valve (10) comprises: a first compressor stage (100) including a hollow channel (42) with a tapered interior surface configured for compressing a stent-valve in response to longitudinal advancement of the stent-valve within the channel; and a second compressor stage (102) comprising a crimper for compressing a portion of the stent-valve without longitudinal advancement.
Abstract: Embodiments of the present disclosure are directed to stents, valved-stents, (e.g., single-stent-valves and double stent/valved-stent systems) and associated methods and systems for their delivery via minimally-invasive surgery. The stent component comprises a first stent section (102) a second stent section (104) a third stent section (106) and a fourth stent section (108).
Type:
Grant
Filed:
November 10, 2017
Date of Patent:
March 5, 2019
Assignee:
SYMETIS SA
Inventors:
Jacques Essinger, Serge Delaloye, Jean-Luc Hefti, Stephane Delaloye
Abstract: A device for heart valve replacement comprises a valve component having at least two valve leaflets preferably made of pericardium tissue. Each valve leaflet includes at least two tabs. The device further includes a stent component configured to be radially compressible into a compressed state and expandable into a functional state. The stent component comprises a first end, a second end and at least one intermediate section arranged between said first and said second end. The intermediate section has at least two commissural posts generally aligned parallel to an axis spanning from the first end to the second end. The commissural posts are formed in the shape of a wishbone.
Abstract: A delivery device for delivering a stent-valve to an anatomical site for implantation, the delivery device comprising a stent-holder (24) having at least one element for engaging the stent-valve for retaining an axial position of the stent-valve when carried on the delivery device, the element selected from a projection (84b) and/or a generally step-shaped surface, and wherein the element further comprises a ramp portion (84a, 84c) facing, or provided on a side of the element that faces, (i) a proximal direction of the device, and/or (ii) away from a distal end of the device.
Abstract: Embodiments of the present disclosure are directed to closure devices, more particularly, apical closure devices and methods and systems for use thereof, for closing surgical openings or defects in the wall of the heart.
Abstract: Stent-valves (e.g., single-stent-valves and double-stent-valves) and associated methods and systems for their delivery via minimally-invasive surgery are provided.
Abstract: Various embodiments of a seal for a stent-valve, and methods of production, are described. In some embodiments, the seal or a skirt comprises a fabric wall portion and a polymeric material fused to the fabric wall portion, the polymeric material having a melting temperature that is lower than that of the fabric wall portion. The fibres of the fabric may remain unmelted at the interface with the polymeric material, the polymeric material being attached to material to the fibres of the fabric wall portion by fusion. The polymeric material may provide a welded joint to another fabric wall portion and/or may reinforce the fabric and/or may occlude pores of the fabric.
Abstract: A balloon catheter (8) for post-implantation dilation of a self-expanding stent-valve (12) that comprises a stent component (14) and a valve component (16), the balloon catheter comprising an inflatable region (10) shaped to include a first region (30) configured for applying a dilation force to an anchor portion (18) of the stent-component, and at least one second region (32a/b) for applying less dilation to a leaflet portion (24) of the valve component, wherein the first region (30) has a larger diameter than the second region (32a/b).
Abstract: Embodiments of the present disclosure are directed to stents, valved-stents, (e.g., single-stent-valves and double stent/valved-stent systems) and associated methods and systems for their delivery via minimally-invasive surgery. The stent component comprises a first stent section (102) a second stent section (104) a third stent section (106) and a fourth stent section (108).
Type:
Application
Filed:
November 10, 2017
Publication date:
March 8, 2018
Applicant:
Symetis SA
Inventors:
Jacques Essinger, Serge Delaloye, Jean-Luc Hefti, Stephane Delaloye
Abstract: Stent-valves (e.g., single-stent-valves and double-stent-valves), associated methods and systems for their delivery via minimally-invasive surgery, and guide-wire compatible closure devices for sealing access orifices are provided.
Type:
Application
Filed:
June 23, 2017
Publication date:
February 22, 2018
Applicant:
Symetis SA
Inventors:
Ludwig K. VON SEGESSER, Stephane DELALOYE
Abstract: Stent-valves (e.g., single-stent-valves and double-stent-valves), associated methods and systems for their delivery via minimally-invasive surgery, and guide-wire compatible closure devices for sealing access orifices are provided.
Type:
Grant
Filed:
August 28, 2014
Date of Patent:
December 12, 2017
Assignee:
Symetis, SA
Inventors:
Ludwig K. Von Segesser, Stéphane Delaloye
Abstract: Embodiments of the present disclosure are directed to stents, valved-stents, (e.g., single-stent-valves and double stent/valved-stent systems) and associated methods and systems for their delivery via minimally-invasive surgery. The stent component comprises a first stent section (102) a second stent section (104) a third stent section (106) and a fourth stent section (108).
Type:
Grant
Filed:
August 19, 2016
Date of Patent:
December 12, 2017
Assignee:
Symetis SA
Inventors:
Jacques Essinger, Serge Delaloye, Jean-Luc Hefti, Stephane Delaloye
Abstract: Stent-valves (e.g., single-stent-valves and double-stent-valves), associated methods and systems for their delivery via minimally-invasive surgery, and guide-wire compatible closure devices for sealing access orifices are provided.
Type:
Application
Filed:
June 23, 2017
Publication date:
October 12, 2017
Applicant:
Symetis SA
Inventors:
Ludwig K. VON SEGESSER, Stephane DELALOYE
Abstract: A delivery catheter for a stent. The delivery catheter may comprise a distal end and a proximal end. The distal end includes a stent attachment region adapted to receive a stent. The stent may be of the self-expanding type. The catheter further comprises a handle at its proximal end and at least one sheath which may at least partially circumferentially cover said stent such as to retain it in a collapsed configuration. The sheath is coupled at its proximal end to an actuator located on said handle portion.
Type:
Grant
Filed:
September 9, 2011
Date of Patent:
June 13, 2017
Assignee:
Symetis SA
Inventors:
Jacques Essinger, Stephane Delaloye, Jean-Luc Hefti, Luc Mantanus