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公开(公告)号:US20240407918A1
公开(公告)日:2024-12-12
申请号:US18808235
申请日:2024-08-19
Applicant: Medtronic, Inc.
Inventor: Justin R. PETERSON , Victoria UNG , James E. MITCHELL , Syed J. ASKARI , Shahnaz JAVANI , Genevieve E. FARRAR , Stuart E. KARI , Mark CASLEY , Ethan KORNGOLD
IPC: A61F2/24
Abstract: A transcatheter valve prosthesis includes a stent having a crimped configuration for delivery within a vasculature and an expanded configuration for deployment within a native heart valve. The stent includes at least one axial frame member. The transcatheter valve prosthesis includes at least one outflow marker positioned on the at least one axial frame member. The transcatheter heart valve prosthesis may include inflow markers positioned within the inflow portion of the stent. The transcatheter heart valve prosthesis may include two outflow markers disposed on axial frame members, the two outflow markers being circumferentially and longitudinally offset from each other. The markers are configured to aid in axial and circumferential alignment of the transcatheter heart valve prosthesis within a native heart valve.
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2.
公开(公告)号:US20240100307A1
公开(公告)日:2024-03-28
申请号:US18532090
申请日:2023-12-07
Applicant: MEDTRONIC, INC.
Inventor: Justin PETERSON , Victoria UNG
IPC: A61M25/10
CPC classification number: A61M25/10182 , A61M2210/125
Abstract: Methods for purging a balloon catheter of air. An inflation fluid is inserted into a balloon and an inflation lumen of a balloon catheter. The inflation lumen is in fluid communication with the balloon. The balloon catheter is positioned in an inverted orientation with a distal end thereof disposed below a proximal end thereof. The distal end of the balloon catheter includes a balloon. A vibration source is positioned in direct contact with an outer surface of the balloon catheter. The balloon catheter is vibrated via the vibration source. A vacuum is applied or pulled on the inflation lumen of the balloon catheter. The steps of vibrating the balloon catheter and applying the vacuum are performed simultaneously.
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3.
公开(公告)号:US20220054264A1
公开(公告)日:2022-02-24
申请号:US17406618
申请日:2021-08-19
Applicant: Medtronic, Inc.
Inventor: Alan T. MCGUINN , Alistair COURTNEY , Amy L. COMAR , William BERTHIAUME , Conleth MULLEN , David F. LYDON , Declan SILKE , Dmitry SHEREMETIEV , Eoghan TWOHIG , Gavin KENNY , James HANNON , James MITCHELL , Jonathan G. MCCULLOUGH , Kevin NEWELL , Leonila RIVERA , Marc A. ANDERSON , Martha BARAJAS-TORRES , Matthew NORGROVE , Michael R. O'CONNOR , Micheal FALLON , Niall DUFFY , Padraig IRWIN , Padraigh JENNINGS , Reiss CONNOLLY , Richard CAHILL , Shane M. MARTIN , Simon HOGAN , Victoria UNG , William CHANG , Tamas Jager
Abstract: Balloon catheters for delivery of prosthetic hear valves is provided. The balloon catheters are configured to deploy a prosthetic heart valve through inflation. The balloon catheters are further configured with one or more retention bumpers to reduce or prevent migration of the prosthetic heart valve during delivery. Balloon catheters described herein are configured with substantially incompressible retention bumpers that promote longitudinal inflation fluid flow.
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公开(公告)号:US20250009536A1
公开(公告)日:2025-01-09
申请号:US18888409
申请日:2024-09-18
Applicant: MEDTRONIC, INC.
Inventor: James MITCHELL , Nathanael GLUCKLICH , Victoria UNG
IPC: A61F2/95
Abstract: A crimper for altering an implantable medical device from an uncompressed state to a compressed state. The crimper includes a plurality of crimper elements that define a crimper channel, each of the crimper elements including a non-planar surface that forms a portion of the crimper channel. Each non-planar surface is configured to apply non-uniform radial compression along a length of the implantable medical device during operation of the crimper when altering the implantable medical device from the uncompressed state to the compressed state. The crimper also includes handle configured to operate the crimper. Actuation of the handle decreases a volume of the crimper chamber to transition the implantable medical device from the uncompressed state to the compressed state.
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公开(公告)号:US20230123266A1
公开(公告)日:2023-04-20
申请号:US18145277
申请日:2022-12-22
Applicant: MEDTRONIC, INC.
Inventor: Brian CASTELLI , Ashley SPINK , William BERTHIAUME , William CHANG , Victoria UNG , James MITCHELL
Abstract: A catheter includes a handle with torqueing and steering mechanisms. The torqueing mechanism includes a rotatable nosecone and a bearing coupled to the nosecone to be rotatable therewith. The bearing is concentrically disposed over a shaft of the catheter. The steering mechanism includes a rack coupled to the bearing to be slideable therewith and a pull wire having a proximal end attached to the bearing and a distal end attached to a distal portion of the shaft. Rotation of the nosecone causes an entire length of the shaft to rotate and axial movement of the rack tensions the pull wire to bend the distal portion of the shaft. A valve relief component is slidingly disposed over the shaft and is configured to dock onto the handle when not in use.
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公开(公告)号:US20220409860A1
公开(公告)日:2022-12-29
申请号:US17897663
申请日:2022-08-29
Applicant: MEDTRONIC, INC.
Inventor: Brian CASTELLI , Ashley SPINK , William BERTHIAUME , William CHANG , Victoria UNG , James MITCHELL
Abstract: A catheter includes a handle with torqueing and steering mechanisms. The torqueing mechanism includes a rotatable nosecone and a bearing coupled to the nosecone to be rotatable therewith. The bearing is concentrically disposed over a shaft of the catheter. The steering mechanism includes a rack coupled to the bearing to be slideable therewith and a pull wire having a proximal end attached to the bearing and a distal end attached to a distal portion of the shaft. Rotation of the nosecone causes an entire length of the shaft to rotate and axial movement of the rack tensions the pull wire to bend the distal portion of the shaft. A valve relief component is slidingly disposed over the shaft and is configured to dock onto the handle when not in use.
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公开(公告)号:US20210275299A1
公开(公告)日:2021-09-09
申请号:US17187261
申请日:2021-02-26
Applicant: Medtronic, Inc.
Inventor: Justin R. PETERSON , Victoria UNG , James E. MITCHELL , Syed J. ASKARI , Shahnaz JAVANI , Genevieve E. FARRAR , Stuart E. KARI , Mark CASLEY , Ethan KORNGOLD
IPC: A61F2/24
Abstract: A transcatheter valve prosthesis includes a stent having a crimped configuration for delivery within a vasculature and an expanded configuration for deployment within a native heart valve. The stent includes at least one axial frame member. The transcatheter valve prosthesis includes at least one outflow marker positioned on the at least one axial frame member. The transcatheter heart valve prosthesis may include inflow markers positioned within the inflow portion of the stent. The transcatheter heart valve prosthesis may include two outflow markers disposed on axial frame members and being circumferentially and longtiduinally offset from each other. The markers are configured to aid in axial and circumferential aligned of the transcatheter heart valve prosthesis within a native heart valve.
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公开(公告)号:US20210100988A1
公开(公告)日:2021-04-08
申请号:US16940465
申请日:2020-07-28
Applicant: MEDTRONIC, INC.
Inventor: Justin PETERSON , Victoria UNG
IPC: A61M25/10
Abstract: Methods for purging a balloon catheter of air. An inflation fluid is inserted into a balloon and an inflation lumen of a balloon catheter. The inflation lumen is in fluid communication with the balloon. The balloon catheter is positioned in an inverted orientation with a distal end thereof disposed below a proximal end thereof. The distal end of the balloon catheter includes a balloon. A vibration source is positioned in direct contact with an outer surface of the balloon catheter. The balloon catheter is vibrated via the vibration source. A vacuum is applied or pulled on the inflation lumen of the balloon catheter. The steps of vibrating the balloon catheter and applying the vacuum are performed simultaneously.
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9.
公开(公告)号:US20250107890A1
公开(公告)日:2025-04-03
申请号:US18833058
申请日:2023-01-31
Applicant: MEDTRONIC, INC.
Inventor: Jason BOWE , Matthew ZIEBOL , Alkindi KIBRIA , Victoria UNG , Matthew GENOVESE , Yogesh DAREKAR , Matthew BALDWIN , Radhika BHARGAV , Brian CASTELLI
Abstract: A crimper configured to radially compress a transcatheter valve prosthesis into a crimped configuration for delivery within a vasculature. The transcatheter valve prosthesis includes a frame and at least one leaflet secured within the frame. The crimper is configured to apply pressurized fluid to the at least one leaflet of the transcatheter valve prosthesis during the crimping process to prevent protrusion of the leaflet into the frame of the transcatheter valve prosthesis that may cause leaflet pinching and damage. The crimper includes a plurality of crimper elements that collectively define a crimper chamber of the crimper, and at least one crimper element of the plurality of crimper elements includes an integral channel extending therethrough for applying the pressurized fluid to the at least one leaflet.
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公开(公告)号:US20240041624A1
公开(公告)日:2024-02-08
申请号:US18489279
申请日:2023-10-18
Applicant: MEDTRONIC, INC.
Inventor: James MITCHELL , Nathanael GLUCKLICH , Victoria UNG
IPC: A61F2/95
CPC classification number: A61F2/9524
Abstract: A crimper for altering an implantable medical device from an uncompressed state to a compressed state. The crimper includes a plurality of crimper elements that define a crimper channel, each of the crimper elements including a non-planar surface that forms a portion of the crimper channel. Each non-planar surface is configured to apply non-uniform radial compression along a length of the implantable medical device during operation of the crimper when altering the implantable medical device from the uncompressed state to the compressed state. The crimper also includes handle configured to operate the crimper. Actuation of the handle decreases a volume of the crimper chamber to transition the implantable medical device from the uncompressed state to the compressed state.
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