TIMOTHY WARREN HOLLEMAN
Pilots at Yancy St, Anoka, MN

5042143, Aug 27, 1991

Feb 14, 1990

7/479928

Timothy W. Holleman - Ham Lake MN
Sandra F. Viktora - Coon Rapids MN

Medtronic, Inc. - Minneapolis MN

H01R 4300

29825

An implantable electrode of the type in which an elongated wire coil forms the electrode surface. The electrode coil is mounted around an insulative lead body and is stabilized on the lead body by means of a plastic filler between the individual turns of the electrode coil, extending radially outwardly to approximately one-third of the diameter of the electrode coil wire. The filler is produced by stretching a portion of the lead body which normally displays an outer diameter greater than the inner diameter of the electrode coil, sliding the electrode coil over the lead body and inserting a mandrel into the lead body to urge the lead body into contact with the electrode coil. This assembly is heated to encourage flow of the lead body into the spaces between the electrode coil to stabilize the coil on electrode body and to prevent fibrotic ingrowth around the electrode coil wire.

2004006, Apr 1, 2004

Sep 30, 2002

10/256726

Andrew Ries - Lino Lakes MN, US
Timothy Holleman - Ham Lake MN, US

A61N001/375

607/037000

A dual chamber implantable cardioverter defibrillator (ICD) is configured for enabling quadrapolar dual lead systems, having differing lead connector configurations, to properly function in corresponding quadrapolar ports of the ICD. A header assembly, mounted on the ICD provides an electrical junction point between the cardiac leads and electrical circuitry in the ICD. The header assembly includes at least two ports therein, wherein each port includes a first and a second substantially longitudinal bore. Terminal blocks are located in the first bores, and spring clip contacts are located in the second bores. Electrical isolation is provided between electrical contacts located in the ports and corresponding lead connectors. A jumper connection includes electrical connection to certain spring clip contacts, one contact being located in a separate port. Subsequently, cardiac leads with differing lead connectors may be inserted into the ports to enable proper function.

4951687, Aug 28, 1990

Jan 31, 1989

7/304756

Keith A. Ufford - Maple Grove MN
Timothy W. Holleman - Ham Lake MN

Medtronic, Inc. - Minneapolis MN

A61N 105

128786

A connector for use in conjunction with implantable, medical electrical leads, such as cardiac pacing leads. The connector is of the type known in the pacing industry as "in-line", and includes an elongated connector pin and a cylindrical connector ring, spaced longitudinally from one another, and separated by an insulative segment. The connector pin is adapted to rotate within the connector, in order to transmit torque down the body of the electrical lead to activate a fixation device or other apparatus. Surrounding the connector pin is an elongated bearing sleeve which engages an elongated, reduced diameter segment of the connector pin. The connector pin is provided with circumferential shoulders at the proximal and distal ends of the reduced diameter portion of the pin, which in turn engage the bearing sleeve.

5016645, May 21, 1991

Oct 31, 1988

7/264916

Terrell Williams - Coon Rapids MN
John G. Keimel - New Brighton MN
Roger Rugland - Anoka MN
Richard Sandstrom - Scandia MN
Timothy Holleman - Ham Lake MN

A61N 105

128784

A medical electrode lead employing one or more elongated electrode coils embedded in the surface of a flexible base pad. The electrode coils take the form of space wound coils following tortuous paths over the surface of the base pad to provide a large surface area electrode. The electrode coils include a plurality of spaced, generally parallel electrode coil segments. Located intermediate adjacent the parallel electrode coil segments are grooves or pleats, molded into the base pad. These grooves or pleats provide increased elasticity of the electrode and increased ability to conform to the contours of the heart. Insulative cores taking the form of plastic tubes are located within the electrode coils to prevent tissue ingrowth between the individual electrode coils, without induly reducing flexibility of the electrode.

7287995, Oct 30, 2007

Nov 8, 2004

10/983266

Paul M. Stein - Maple Grove MN, US
Timothy W. Holleman - Ham Lake MN, US
Andrew J. Ries - Lino Lakes MN, US
Harry Schroder - St. Louis Park MN, US
Jordon D. Honeck - Maple Grove MN, US
John L. Sommer - Coon Rapids MN, US
Vicki L. Bjorklund - Maple Grove MN, US

H01R 27/00

439218, 439222

A lead connector arrangement includes a non-cylindrically shaped connector pin coupled to a lead conductor and a connector sleeve assembly for receiving the non-cylindrically shaped connector pin. The connector sleeve assembly includes an insert with an axial bore formed therein that complements the shape of the non-cylindrical connector pin. According to one embodiment, the non-cylindrical connector pin may be provided in the form of a triangular, square, rectangular, or hexagonal shape. The axial bore has a complimentary shape to receive the connector pin. When the connector pin is threaded through the connector sleeve assembly using a pull-wire device, the pull-wire device may be unscrewed from the connector pin without causing axial rotation of the lead conductor when the connector pin is fully inserted within the axial bore.

5366494, Nov 22, 1994

Apr 30, 1993

8/056282

Timothy W. Holleman - Ham Lake MN
Clare P. Ulrich - Minneapolis MN
Brian L. Fideler - Columbia Heights MN

Medtronic, Inc. - Minneapolis MN

A61N 105

607119

A method and apparatus for implantation of an electrode system. The apparatus includes a pacing lead and an extender, both of which are provided with internal stylet lumens. When coupled to one another, the stylet lumen of the extender is in communication with the stylet lumen of the lead, allowing passage of a stylet through both lead and extender, while coupled together.

5003992, Apr 2, 1991

Aug 23, 1989

7/398350

Timothy W. Holleman - Ham Lake MN
Phong D. Doan - Shoreview MN
Kenneth R. Brennen - Fridley MN
John M. Swoyer - Coon Rapids MN

A61N 105

128785

An electrical stimulation lead incorporating an electrode assembly which dispenses a drug adjacent the stimulation site. The lead is provided with a fixation helix located at the distal end of the lead. An electrode may be extended distally within the helix. When extended, the electrode serves as a guard against perforation or other damage to tissue by the helix. In its retracted position, the electrode is located roughly adjacent the distal end of the lead body, and lies against the tissue to be stimulated. Advancing and retraction of the electrode is accomplished by means of a stylet which is removably engageable with the proximal end of the electrode. In one embodiment, the stylet functions to both advance and retract the electrode. In an alternative embodiment, the stylet is used only to advance the electrode, and retraction of the electrode is accomplished by a resilient conductor.

7225034, May 29, 2007

Jul 16, 2003

10/620710

Andrew J. Ries - Lino Lakes MN, US
Timothy W. Holleman - Ham Lake MN, US

Medtronic, Inc. - Minneapolis MN

A61N 1/05

607122, 607119

A medical electrical lead includes an electrode, a connector terminal and an auxiliary connector port, which includes a connector contact adapted to electrically couple an electrode of a second lead. A first connector element of the connector terminal is coupled to the electrode via a first insulated conductor, and a second connector element of the connector terminal is coupled, via a second insulated conductor, to the connector contact included in the auxiliary port.

7130699, Oct 31, 2006

May 13, 2003

10/436776

Eric W. Huff - St. Paul MN, US
Andrew J. Ries - Lino Lakes MN, US
Frank L. Skubitz - Andover MN, US
Timothy W. Holleman - Ham Lake MN, US
Timothy C. Aarons - Maple Grove MN, US
Bruce R. Mehdizadeh - Savage MN, US

Medtronic, Inc. - Minneapolis MN

A61N 1/00

607116, 607 10, 607115, 607119, 607122

A medical lead adapter assembly is provided for facilitating an electrical connection between an implantable medical lead connector and an external medical device. The adapter includes a housing, having a sidewall and a longitudinally extending connector receptacle, and at least one contact opening passing through the sidewall to the receptacle. The contact opening is positioned in a location corresponding with at least one ring contact of the lead connector, when the lead connector is engaged within the receptacle, and allows electrical connection between at least one contact element of the external medical device and the at least one ring contact of the lead connector.

7242987, Jul 10, 2007

Jun 19, 2003

10/465158

Timothy W. Holleman - Ham Lake MN, US
Andrew J. Ries - Lino Lakes MN, US

Medtronic, Inc. - Minneapolis MN

A61N 1/05

607122, 607119

An adaptor couples multiple high-voltage connector elements included on a plurality of medical electrical lead connectors to a single connector port of an implantable medical device thereby facilitating alternative high-voltage therapy vectors.