公开(公告)号：CA2148899A1

公开(公告)日：1995-11-07

申请号：CA2148899

申请日：1995-05-08

Applicant: MEDTRONIC INC

Inventor： STEWART MARK T ,  MORRIS MARY M ,  DIDOMENICO EDWARD ,  KEENEY KENNETH W ,  HESS DOUGLAS N

IPC: A61N1/05 ,  B29C59/14 ,  A61M25/01

Abstract: An implantable electrode type lead assembly of the flexible type which is particularly adapted for implantation in the cardiac tissue for applications such as use with a pacemaker. The lead assembly has an electrode head which includes a fixation spiral for implantation into tissue. The spiral or rotation action of the electrode head is controlled by means of an elongated torsionally wound electrical coil conductor, the coil extending through the lead from the proximal to the distal end thereof and carried within a silicone tube which is co-extensive therewith, the tube having been especially treated to modify the slip characteristics of the internal diameter (ID) thereof for high efficiency torque transfer.

公开(公告)号：DE60238121D1

公开(公告)日：2010-12-09

申请号：DE60238121

申请日：2002-04-25

Applicant: MEDTRONIC INC

Inventor： FRANSISCHELLI DAVID E ,  SKARDA JAMES R ,  STEWART MARK T ,  MEHR RAHUL

IPC: A61B18/00 ,  A61B18/12

公开(公告)号：DE60139794D1

公开(公告)日：2009-10-15

申请号：DE60139794

申请日：2001-10-01

Applicant: MEDTRONIC INC

Inventor： STEWART MARK T ,  GOODE JOHNSON E ,  SPECKIEN JAMES N ,  TAUBE MARK A ,  WARMAN EDUARDO N

IPC: A61B18/14 ,  A61B17/00 ,  A61M25/01

Abstract: A catheter suitable for use in applying ablation energy to body tissue or detecting electrical signals conducted within the body tissue is disclosed. The catheter has a deflectable distal tip section. At least one electrode is adapted to be disposed against body tissue for delivery of ablation energy thereto or for conduction of body tissue electrical signals. An actuation mechanism comprising first and second pull wires is adapted to curve a proximal segment in a first direction and to independently bend an intermediate segment in a second direction.

公开(公告)号：DE602005007888D1

公开(公告)日：2008-08-14

申请号：DE602005007888

申请日：2005-05-13

Applicant: MEDTRONIC INC

Inventor： STEWART MARK T ,  FRANCISCHELLI DAVID E ,  SKARDA JAMES R ,  KEOGH JAMES R ,  HISSONG JAMES B

IPC: A61N7/02 ,  A61B17/22 ,  A61B18/14

公开(公告)号：CA2569701A1

公开(公告)日：2005-12-01

申请号：CA2569701

申请日：2005-05-13

Applicant: MEDTRONIC INC

Inventor： SKARDA JAMES R ,  FRANCISCHELLI DAVID E ,  STEWART MARK T

IPC: A61B18/14 ,  A61B17/22 ,  A61N7/02

公开(公告)号：CA2425640A1

公开(公告)日：2002-04-18

申请号：CA2425640

申请日：2001-10-01

Applicant: MEDTRONIC INC

Inventor： TAUBE MARK A ,  WARMAN EDUARDO N ,  STEWART MARK T ,  SPECKIEN JAMES N ,  GOODE JOHNSON E

IPC: A61B17/00 ,  A61B18/14 ,  A61M25/01

Abstract: Steerable electrophysiology catheters for use in mapping and/or ablation of accessory pathways in myocardial tissue of the heart wall and methods of use thereof are disclosed. The catheter comprises a catheter body and handle, th e catheter body having a proximal section and a distal section and manipulator s that enable the deflection of a distal segment of the distal tip section wit h respect to the independently formed curvature of a proximal segment of the distal tip section through a bending or knuckle motion of an intermediate segment between the proximal and distal segments. A wide angular range of deflection within a very small curve or bend radius in the intermediate segment is obtained.

公开(公告)号：DE69525480D1

公开(公告)日：2002-03-21

申请号：DE69525480

申请日：1995-04-28

Applicant: MEDTRONIC INC

Inventor： STEWART MARK T ,  MORRIS MARY M ,  DIDOMENICO EDWARD ,  KENNEDY KENNETH W

IPC: H05H1/46 ,  B29C59/14 ,  B29C71/04 ,  B29K19/00 ,  B29L23/00 ,  C08J5/16 ,  C08J7/00

Abstract: This invention relates to an apparatus for providing preferential glow discharge at the inside diameter of plastic tubing, particularly very small diameter tubing.

公开(公告)号：AU1766695A

公开(公告)日：1995-11-16

申请号：AU1766695

申请日：1995-04-26

Applicant: MEDTRONIC INC

Inventor： STEWART MARK T ,  MORRIS MARY M ,  DIDOMENICO EDWARD ,  KENNEY KENNETH W ,  HESS DOUGLAS N

IPC: A61N1/05 ,  B29C59/14 ,  H05H1/46

Abstract: An implantable electrode type lead assembly 10 of the flexible type which is particularly adapted for implantation in the cardiac tissue for applications such as use with a pacemaker. The lead assembly has an electrode head 40 which includes a fixation spiral for implantation into tissue. The spiral or rotation action of the electrode head 40 is controlled by means of an elongated torsionally wound electrical coil conductor 14, the coil extending through the lead from the proximal to the distal end thereof and carried within a silicone tube 24 which is co-extensive therewith, the tube having been especially treated to modify the slip characteristics of the internal diameter (ID) thereof for high efficiency torque transfer.

公开(公告)号：DE60142076D1

公开(公告)日：2010-06-17

申请号：DE60142076

申请日：2001-11-30

Applicant: MEDTRONIC INC

Inventor： STEWART MARK T ,  SKARDA JAMES R ,  FLICKINGER WILLIAM J ,  FRANCISCHELLI DAVID E

IPC: A61B18/14 ,  A61B17/00

公开(公告)号：DE69939068D1

公开(公告)日：2008-08-21

申请号：DE69939068

申请日：1999-11-04

Applicant: MEDTRONIC INC

Inventor： SHOBERG BRET R ,  PADGETT CLARE E ,  LASKE TIMOTHY G ,  WALDHAUSER STEVEN L ,  STEWART MARK T ,  TAYLOR CATHERINE E ,  KEENEY KENNETH W ,  MARSHALL MARK T

IPC: A61N1/05