公开(公告)号：US20180280058A1

公开(公告)日：2018-10-04

申请号：US15940600

申请日：2018-03-29

Applicant: Medtronic, Inc.

Inventor： 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: A61B17/34 ,  A61B17/221 ,  A61N1/05 ,  A61N1/362

Abstract: 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.

公开(公告)号：US20190298989A1

公开(公告)日：2019-10-03

申请号：US16364309

申请日：2019-03-26

Applicant: Medtronic, Inc.

Inventor： Kenneth C. GARDESKI ,  Ronald A. DRAKE ,  Xin CHEN ,  Michael R. LENERS ,  Lonnie D. RONNING ,  Lester O. STENER ,  Matthew D. BONNER ,  Jean M. CARVER ,  Brian P. COLIN ,  Alexander R. MATTSON ,  Kathryn HILPISCH ,  Vladimir GRUBAC

IPC: A61N1/05 ,  A61N1/365 ,  A61B5/00

Abstract: A medical delivery device for delivering a medical device includes a navigable elongated member, a deployment bay, and a compression mechanism. The deployment bay may be configured to house the medical device as the medical device is navigated to the target site. The deployment bay may be at a distal end of the delivery device and may include a distal opening through which the medical device may be deployed. The compression mechanism is configured to longitudinally compress in response to a predetermined force such that the elongated member and deployment bay are relatively closer together along a longitudinal axis of the delivery device.

公开(公告)号：US20190046789A1

公开(公告)日：2019-02-14

申请号：US16158724

申请日：2018-10-12

Applicant: Medtronic, Inc.

Inventor： Xin CHEN ,  Michael D. EGGEN ,  Vladimir GRUBAC ,  Brian P. COLIN ,  Wei GAN ,  Thomas A. ANDERSON ,  Kathryn HILPISCH

IPC: A61N1/05 ,  A61N1/375 ,  A61N1/362 ,  A61N1/372

Abstract: 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.