Randy Morris Nelson

US Patent:

6726678, Apr 27, 2004

Filed:

Feb 22, 2001

Appl. No.:

09/790982

Inventors:

Randy Nelson - Pine Springs MN
Charles L. Truwit - Wayzata MN

Assignee:

iSurgical, LLC - Minneapolis MN

International Classification:

A61K 922

US Classification:

6048911, 604502, 60428801

Abstract:

There is disclosed method and apparatus for retaining a reservoir for a therapeutic agent between the scalp and cranium of a subject, including providing a deformable pouch or rigid cylinder for dispensing the therapeutic agent from the reservoir to a location in the body of the subject. In one embodiment, a pump is used to pump the agent from the reservoir to the location in the subjects body. In another example embodiment, there is provided method and apparatus for forming at least one cavity in the cranium of the subject, and placing at least a portion of the pump in the cavity. Power is applied to the pump in a variety of ways.

US Patent:

62497081, Jun 19, 2001

Filed:

Aug 26, 1997

Appl. No.:

8/918321

Inventors:

Randy S. Nelson - Pine Springs MN
Roger Dahl - Andover MN
Duane Zytkovicz - Onamia MN

Assignee:

Angeion Corporation - Plymouth MN

International Classification:

A61N 105

US Classification:

607122

Abstract:

A multi-conductor fluted channel construction catheter lead is comprised of an elongated flexible tubular inner body member having a peripheral surface on which a plurality of longitudinally-oriented fluted channels are defined. A plurality of elongated conductors are provided with at least one conductor being disposed within one of the fluted channels and operably connected at a distal portion to an electrode and at a proximal portion to a connector. An outer insulative sheath member surrounds the inner body member and the conductors. A method of constructing a fluted channel catheter lead is also disclosed.