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公开(公告)号：US20240108885A1
公开(公告)日：2024-04-04
申请号：US18469331
申请日：2023-09-18
申请人： Medtronic, Inc.
摘要： An example fixation component for an implantable medical device (IMD) includes a base and a plurality of tines configured be deployed with a target deployment stiffness to engage tissue a target implant site while maintaining a target deflection stiffness after deployment. The base defines a longitudinal axis of the fixation component and is fixedly attached near the distal end of the IMD. Each tine is spaced apart from one another around a perimeter of the distal end of the IMD and extend from the base. A shape of each tine is selected to control each of the target deployment stiffness and target deflection stiffness.
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公开(公告)号：US11819699B2
公开(公告)日：2023-11-21
申请号：US17558832
申请日：2021-12-22
申请人： Medtronic, Inc.
发明人： Zhongping Yang , Thomas A. Anderson , Brian P. Colin , William J. Clemens , Subham Ghosh , Jeffrey M. Gillberg , Maurice T. I Verbeek , Toine Camps , Lilian Kornet , Berthold Stegemann , Jean Rutten
CPC分类号： A61N1/36843 , A61B5/29 , A61N1/059 , A61N1/0573 , A61N1/368 , A61N1/3688 , A61N1/36592 , A61N1/3752 , A61N1/3754 , A61N1/3756 , A61N1/37512 , A61N1/37518
摘要： VfA cardiac therapy uses an implantable medical device or system. The implantable medical device includes a tissue-piercing electrode implanted in the basal and/or septal region of the left ventricular myocardium of the patient's heart from the triangle of Koch region of the right atrium through the right atrial endocardium and central fibrous body. The device may include a right atrial electrode, a right atrial motion detector, or both. The device may be implanted completely within the patient's heart or may use one or more leads to implant electrodes in the patient's heart. The device may be used to provide cardiac therapy, including single or multiple chamber pacing, atrioventricular synchronous pacing, asynchronous pacing, triggered pacing, cardiac resynchronization pacing, or tachycardia-related therapy. A separate medical device may be used to provide some functionality for cardiac therapy, such as sensing, pacing, or shock therapy.
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公开(公告)号：US20180200488A1
公开(公告)日：2018-07-19
申请号：US15873153
申请日：2018-01-17
申请人： Medtronic, Inc.
发明人： Ronald A. Drake , Matthew D. Bonner , Trent M. Fischer , Carla Pfeiffer , Brian P. Colin , Lester O. Stener
CPC分类号： A61M25/09041 , A61B17/00234 , A61B2017/00247 , A61B2017/00867 , A61B2017/22044 , A61M25/01 , A61M25/0105 , A61M2025/0177 , A61M2025/09125
摘要： The present disclosure is directed to a shuttle apparatus for detachably joining a catheter to a guidewire so that the joined catheter, extending alongside the guidewire, is in sliding engagement with the guidewire without extending around the guidewire. The apparatus comprises a collar member sized for mounting in sliding engagement around a length of the guidewire, the collar member having a longitudinal axis that approximately aligns along the length, when mounted thereabout, the length being defined between a proximal-most point of the guidewire and a distal point of the guidewire, the distal point being offset proximally from a distal-most point of the guidewire. The apparatus further comprises a plug member coupled to the collar member, the plug member having a longitudinal axis, and the plug member being sized to fit within an opening of the catheter for detachable engagement therewith.
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4.发明授权公开(公告)号：US11617600B2
公开(公告)日：2023-04-04
申请号：US16655898
申请日：2019-10-17
申请人： Medtronic, Inc.
摘要： An apparatus for forming a passageway through tissue includes a dilator mounted to a shaft, wherein the dilator includes a first portion, which has an increasing taper from a first outer diameter to a larger second outer diameter, and a second portion, which has a decreasing taper from the first portion to a distal end of the dilator, and which includes an external non-cutting thread formed along the decreasing taper. Lumens of the dilator and shaft provide a conduit for means to pierce through the tissue, for example, an elongate wire that includes a piercing tip. In some cases, the dilator first portion is expandable to, and contractible from, the larger second outer diameter, wherein the apparatus may include a spreading member configured to slide between the shaft and the first portion. The apparatus may be included in a system with an introducer sheath.
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公开(公告)号：US11027125B2
公开(公告)日：2021-06-08
申请号：US16158724
申请日：2018-10-12
申请人： Medtronic, Inc.
发明人： Xin Chen , Michael D. Eggen , Vladimir Grubac , Brian P. Colin , Wei Gan , Thomas A. Anderson , Kathryn Hilpisch
摘要： A fixation mechanism of an implantable medical device is formed by a plurality of tines fixedly mounted around a perimeter of a distal end of the device. Each tine may be said to include a first segment fixedly attached to the device, a second segment extending from the first segment, and a third segment, to which the second segment extends. When the device is loaded in a lumen of a delivery tool and a rounded free distal end of each tine engages a sidewall that defines the lumen, to hold the tines in a spring-loaded condition, the first segment of each tine, which has a spring-biased pre-formed curvature, becomes relatively straightened, and the third segment of each tine, which is terminated by the free distal end, extends away from the axis of the device at an acute angle in a range from about 45 degrees to about 75 degrees.
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公开(公告)号：US20190290915A1
公开(公告)日：2019-09-26
申请号：US16361996
申请日：2019-03-22
申请人： Medtronic, Inc.
发明人： Zhongping Yang , Thomas A. Anderson , Brian P. Colin , William J. Clemens , Subham Ghosh , Jeffrey M. Gillberg , Maurice T. I. Verbeek , Toine Camps , Lilian Kornet , Berthold Stegemann , Jean Rutten
摘要： VfA cardiac therapy uses an implantable medical device or system. The implantable medical device includes a tissue-piercing electrode implanted in the basal and/or septal region of the left ventricular myocardium of the patient's heart from the triangle of Koch region of the right atrium through the right atrial endocardium and central fibrous body. The device may include a right atrial electrode, a right atrial motion detector, or both. The device may be implanted completely within the patient's heart or may use one or more leads to implant electrodes in the patient's heart. The device may be used to provide cardiac therapy, including single or multiple chamber pacing, atrioventricular synchronous pacing, asynchronous pacing, triggered pacing, cardiac resynchronization pacing, or tachycardia-related therapy. A separate medical device may be used to provide some functionality for cardiac therapy, such as sensing, pacing, or shock therapy.
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公开(公告)号：US20170209688A1
公开(公告)日：2017-07-27
申请号：US15410085
申请日：2017-01-19
申请人： Medtronic, Inc.
发明人： Ronald A. Drake , Xin Chen , Michael D. Eggen , Matthew D. Bonner , Vladimir Grubac , Brian P. Colin , Kenneth C. Gardeski , Kevin R. Seifert
IPC分类号： A61N1/05
摘要： An implantable medical device includes ventricular and atrial portions, and a flexible leadlet that extends therebetween. An open channel of the atrial portion, formed along a core thereof, is sized to receive the leadlet therein, when the leadlet is folded over on itself. An interventional medical system includes the device and a delivery tool; a tubular sidewall of the tool defines a lumen and has a tether extending therein. A slot formed in the sidewall extends proximally from an open end thereof, coincident with a distal opening of the lumen. When the atrial portion is contained within the lumen, a segment of the leadlet extends alongside the atrial portion; another segment of the leadlet, being folded over on itself, proximal to the atrial portion, has the tether engaged therewith. The slot may allow passage of the leadlet therethrough, when the atrial portion is positioned for deployment through the distal opening.
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公开(公告)号：US11931567B2
公开(公告)日：2024-03-19
申请号：US17663160
申请日：2022-05-12
申请人： Medtronic, Inc.
CPC分类号： A61N1/057 , A61N1/37512 , A61N1/37518 , A61N1/3756
摘要： In some examples, a tether head assembly of a delivery system includes an inner retainer and an outer retainer that defines an aperture comprising a receptacle configured to receive an attachment member of a medical device, a passageway, and a groove. The inner retainer is movable within the groove between a second position in which the passageway is dimensioned to receive the attachment member and a first position in which the passageway is dimensioned to prevent passage of the attachment member. In some examples, a tether handle assembly defines a channel, a force transmitter within the channel, a slidable member partially received within a first end of the channel and a button partially received within a second end of the channel. Distally-directed force applied to the button may cause the force transmitter to apply proximally-directed force to the slidable member, moving the slidable member and an attached pull wire proximally.
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公开(公告)号：US11357484B2
公开(公告)日：2022-06-14
申请号：US15940600
申请日：2018-03-29
申请人： Medtronic, Inc.
发明人： Colin W. Meade , Paula McDonnell , Francis D. McEvoy , Rónán Wood , Kealan E. O'Carroll , Kenneth C. Gardeski , Ronald A. Drake , Kevin R. Seifert , Brian P. Colin , Pierce Vatterott
IPC分类号： A61B17/00 , A61B17/34 , A61B17/221
摘要： An improved assembly for securing an implantable medical device for retrieval from an implant site includes a plurality of snares, wherein distal openings of a first snare carrier lumen and a second snare carrier lumen have a pre-set offset established therebetween. First and second snare shafts, to which first and second snare loops are coupled, respectively, extend within the corresponding snare carrier lumens such that each loop is located in proximity to the corresponding distal opening of the lumen. The pre-set offset allows an operator to simultaneously position the snare loops around the device; and, when the operator retracts the snare shafts to collapse the snare loops until the loops fit snuggly around the device, the pre-set offset can help to align the device for retrieval.
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公开(公告)号：US11235159B2
公开(公告)日：2022-02-01
申请号：US16361996
申请日：2019-03-22
申请人： Medtronic, Inc.
发明人： Zhongping Yang , Thomas A. Anderson , Brian P. Colin , William J. Clemens , Subham Ghosh , Jeffrey M. Gillberg , Maurice T. I. Verbeek , Toine Camps , Lilian Kornet , Berthold Stegemann , Jean Rutten
摘要： VfA cardiac therapy uses an implantable medical device or system. The implantable medical device includes a tissue-piercing electrode implanted in the basal and/or septal region of the left ventricular myocardium of the patient's heart from the triangle of Koch region of the right atrium through the right atrial endocardium and central fibrous body. The device may include a right atrial electrode, a right atrial motion detector, or both. The device may be implanted completely within the patient's heart or may use one or more leads to implant electrodes in the patient's heart. The device may be used to provide cardiac therapy, including single or multiple chamber pacing, atrioventricular synchronous pacing, asynchronous pacing, triggered pacing, cardiac resynchronization pacing, or tachycardia-related therapy. A separate medical device may be used to provide some functionality for cardiac therapy, such as sensing, pacing, or shock therapy.
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