Patents by Inventor Jean-Luc Hefti
Jean-Luc Hefti has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 11957573Abstract: Some embodiments of the present disclosure provide a stent-valve for transcatheter implantation to replace a cardiac valve. In some embodiments, the stent valve being compressible to a compressed state for delivery, and expandable to an operative state for implantation. In some embodiments, the stent-valve comprises 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 comprising material that swells in response to contact with blood or components thereof.Type: GrantFiled: May 18, 2021Date of Patent: April 16, 2024Assignee: Boston Scientific Medical Device LimitedInventors: Stephane Delaloye, Jacques Essinger, Jean-Luc Hefti, Youssef Biadillah, Luc Mantanus, Fabien Lombardi
-
Patent number: 11896482Abstract: 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. The stent-valves include a stent component having a first flared end region and a second end, a plurality of leaflets coupled to the stent, and a sealing element coupled to the first end region.Type: GrantFiled: December 15, 2017Date of Patent: February 13, 2024Assignee: BOSTON SCIENTIFIC MEDICAL DEVICE LIMITEDInventors: Stephane Delaloye, Jean-Luc Hefti, Serge Delaloye
-
Publication number: 20240000568Abstract: 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: ApplicationFiled: September 14, 2023Publication date: January 4, 2024Applicant: Symetis SAInventors: JACQUES ESSINGER, STEPHANE DELALOYE, JEAN-LUC HEFTI, LUC MANTANUS
-
Publication number: 20230414352Abstract: 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.Type: ApplicationFiled: September 7, 2023Publication date: December 28, 2023Applicant: Symetis SAInventors: Luc Mantanus, Fabien Lombardi, Pierre Simonin, Youssef Biadillah, Jean-Luc Hefti, Stephane Delaloye
-
Publication number: 20230404735Abstract: Apparatus (40) for compressing a transcatheter cardiac stent-valve (10) comprises: a hollow channel (42) having an interior surface (50) shaped for progressively compressing the stent-valve in response to longitudinal advancement of the stent-valve within the channel; a driver (46) threadedly engaged on the exterior of the channel for generating a longitudinal driving force in response to rotation; a mover (44) having limbs (56) that project through slots (58) in the channel wall to transmit the driving force to the stent-valve within the channel; and a channel extension (48) removably attachable at the exit (54) to provide a generally cylindrical containment bore (66).Type: ApplicationFiled: September 1, 2023Publication date: December 21, 2023Applicant: Symetis SAInventors: Jacques Essinger, Stephane Delaloye, Jean-Luc Hefti, Luc Mantanus, Michael Paris
-
Publication number: 20230338141Abstract: A delivery catheter for a prosthetic heart valve, the valve expandable from a collapsed condition for delivery to an expanded 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.Type: ApplicationFiled: June 30, 2023Publication date: October 26, 2023Applicant: Symetis SAInventors: Fabien Lombardi, Youssef Biadillah, Jean-Luc Hefti, Luc Mantanus, Stephane Delaloye
-
Patent number: 11793636Abstract: A delivery catheter for a prosthetic heart valve, the valve expandable from a collapsed condition for delivery to an expanded 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.Type: GrantFiled: April 13, 2019Date of Patent: October 24, 2023Assignee: Symetis SAInventors: Fabien Lombardi, Youssef Biadillah, Jean-Luc Hefti, Luc Mantanus, Stephane Delaloye
-
Patent number: 11786372Abstract: 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.Type: GrantFiled: February 26, 2020Date of Patent: October 17, 2023Assignee: Symetis SAInventors: Luc Mantanus, Fabien Lombardi, Pierre Simonin, Youssef Biadillah, Jean-Luc Hefti, Stephane Delaloye
-
Patent number: 11779461Abstract: 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: GrantFiled: October 31, 2019Date of Patent: October 10, 2023Assignee: Symetis SAInventors: Jacques Essinger, Stephane Delaloye, Jean-Luc Hefti, Luc Mantanus
-
Patent number: 11771544Abstract: Apparatus (40) for compressing a transcatheter cardiac stent-valve (10) comprises: a hollow channel (42) having an interior surface (50) shaped for progressively compressing the stent-valve in response to longitudinal advancement of the stent-valve within the channel; a driver (46) threadedly engaged on the exterior of the channel for generating a longitudinal driving force in response to rotation; a mover (44) having limbs (56) that project through slots (58) in the channel wall to transmit the driving force to the stent-valve within the channel; and a channel extension (48) removably attachable at the exit (54) to provide a generally cylindrical containment bore (66).Type: GrantFiled: June 18, 2019Date of Patent: October 3, 2023Assignee: Symetis SAInventors: Jacques Essinger, Stephane Delaloye, Jean-Luc Hefti, Luc Mantanus, Michael Paris
-
Publication number: 20230113881Abstract: Embodiments of the present disclosure are directed to stents, valved-stents, and associated methods and systems for their delivery via minimally-invasive surgery.Type: ApplicationFiled: December 12, 2022Publication date: April 13, 2023Applicant: Symetis SAInventors: JACQUES ESSINGER, YOUSSEF BIADILLAH, STEPHANE DELALOYE, JEAN-LUC HEFTI, LUC MANTANUS, REYNALD PASSERINI
-
Publication number: 20230017818Abstract: 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: ApplicationFiled: September 26, 2022Publication date: January 19, 2023Applicant: Symetis SAInventors: Jacques Essinger, Serge Delaloye, Jean-Luc Hefti, Stephane Delaloye
-
Publication number: 20220370199Abstract: Embodiments of the present disclosure are directed to stents, valved-stents, and associated methods and systems for their delivery via minimally-invasive surgery.Type: ApplicationFiled: July 14, 2022Publication date: November 24, 2022Applicant: Symetis SAInventors: JACQUES ESSINGER, STEPHANE DELALOYE, JEAN-LUC HEFTI, YOUSSEF BIADILLAH, LUC MANTANUS, IKER MALLABIABARRENA, REYNALD PASSERINI, MICHAEL PARIS, FABIEN LOMBARDI
-
Patent number: 11452598Abstract: 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: GrantFiled: June 15, 2020Date of Patent: September 27, 2022Assignee: Symetis SAInventors: Jacques Essinger, Serge Delaloye, Jean-Luc Hefti, Stephane Delaloye
-
Publication number: 20220133476Abstract: A delivery catheter for a stent valve, the delivery catheter having a distal portion insertable into an anatomy, the distal portion comprising an accommodation region for accommodating a stent-valve for delivery into the anatomy, the delivery catheter further comprising at least one sheath that is translatable between a closed position for at least partly closing the accommodation region and an open position for at least partly opening the accommodation region.Type: ApplicationFiled: January 18, 2022Publication date: May 5, 2022Inventors: Fabien Lombardi, Jacques Essinger, Stephane Delaloye, Jean-Luc Hefti, Luc Mantanus, Youssef Biadillah
-
Publication number: 20220061986Abstract: Embodiments herein relate to cardiac stent-valves for transcatheter delivery. A cardiac stent-valve for transcatheter delivery is compressible to a compressed state for delivery and expandable to an expanded state for implantation. The stent-valve can include a stent with an axial inflow end and an axial outflow end, a plurality of leaflets arranged within the stent, and a structured sealing skirt for reduction or prevention of paravalvular leakage. The structured sealing skirt comprises one or more sealing formations arranged on a radially outer surface of the structured sealing skirt. At least in the expanded state, at least one of the one or more sealing formations is shaped and arranged such that, at each axial level of the structured sealing skirt covered by the one or more sealing formations. Other embodiments are also included herein.Type: ApplicationFiled: September 3, 2021Publication date: March 3, 2022Inventors: Arnaud Humair, Jean-Luc Hefti, Stephane Delaloye
-
Publication number: 20220061984Abstract: Embodiments herein include a cardiac stent-valve for transcatheter delivery being compressible to a compressed state for delivery, and expandable to an expanded state for implantation. The stent-valve including a stent with an axial inflow end and an axial outflow end, a plurality of leaflets arranged within the stent, and a sealing skirt for reduction or prevention of paravalvular leakage. In the expanded state, the sealing skirt includes a tubular inner wall and at least one pocket which is positioned on the tubular inner wall and comprises an outer wall which extends radially outward from the tubular inner wall. The pocket is configured to be distended radially outward in response to inflow of blood in the expanded state. In the expanded state, the outer wall of the pocket includes one or more pre-shaped bulges which extend radially outward from the outer wall of the pocket. Other embodiments are also included herein.Type: ApplicationFiled: September 3, 2021Publication date: March 3, 2022Inventors: Arnaud Humair, Jean-Luc Hefti, Stephane Delaloye
-
Patent number: 11253362Abstract: A delivery catheter (12) for a stent valve (10), the delivery catheter having a distal portion (14) insertable into an anatomy, the distal portion comprising an accommodation region (18) for accommodating a stent-valve for delivery into the anatomy, the delivery catheter further comprising at least one sheath (20; 22) that is translatable between a closed position for at least partly closing the accommodation region and an open position for at least partly opening the accommodation region.Type: GrantFiled: August 12, 2016Date of Patent: February 22, 2022Assignee: Boston Scientific LimitedInventors: Fabien Lombardi, Jacques Essinger, Stephane Delaloye, Jean-Luc Hefti, Luc Mantanus, Youssef Biadillah
-
Patent number: 11207176Abstract: Some embodiments of the present disclosure provide a stent-valve for transcatheter implantation to replace a cardiac valve. In some embodiments, the stent valve being compressible to a compressed state for delivery, and expandable to an operative state for implantation. In some embodiments, the stent-valve comprises 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 comprising material that swells in response to contact with blood or components thereof.Type: GrantFiled: November 4, 2016Date of Patent: December 28, 2021Assignee: BOSTON SCIENTIFIC SCIMED, INC.Inventors: Stephane Delaloye, Jacques Essinger, Jean-Luc Hefti, Youssef Biadillah, Luc Mantanus, Fabien Lombardi
-
Publication number: 20210322159Abstract: Some embodiments of the present disclosure provide a stent-valve for transcatheter implantation to replace a cardiac valve. In some embodiments, the stent valve being compressible to a compressed state for delivery, and expandable to an operative state for implantation. In some embodiments, the stent-valve comprises 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 comprising material that swells in response to contact with blood or components thereof.Type: ApplicationFiled: May 18, 2021Publication date: October 21, 2021Applicant: BOSTON SCIENTIFIC LIMITEDInventors: Stephane Delaloye, Jacques Essinger, Jean-Luc Hefti, Youssef Biadillah, Luc Mantanus, Fabien Lombardi