Medtronic, Inc.

Other

Medtronics, Inc.

Gary W Salminen

Richard T Stone

Mark J Conroy

Wanzhan Liu

Michael T Hegland

Spencer M Bondhus

Spencer M Bondus

Implantable medical leads include a shield that is guarded at a termination by having a first portion and a second portion of the shield, where the first portion is between a termination of the shield at the second portion and an inner insulation layer that surrounds the filars. The first portion may reduce the coupling of RF energy from the termination of the shield at the second portion to the filars. The first and second portions may be part of a continuous shield, where the first and second portions are separated by an inversion of the shield. The first and second portions may instead be separate pieces. The first portion may be noninverted and reside between the termination at the second portion and the inner layers, or the first portion may be inverted to create first and second sub-portions. The shield termination at the second portion is between the first and second sub-portions.

Shielded implantable medical lead with guarded termination

Shields within implantable leads increase the torsional stiffness of the leads. The torsional stiffness may be reduced by cutting the shield axially to break the circumferential mechanical continuity of the shield. The circumferential shielding continuity of the shield may be re-established to preserve the shielding effect in various manners. The shield may overlap onto itself to close the slot created by the cut. A shield patch may be placed across the slot created by the cut. The shield may be located between two insulation layers of the lead. The shield may be cut and then the slot closed prior to application of the outer insulation layer. The outer insulation layer may then be added over the shield. The outer insulation layer may be compliant so that once covered, the circumferential mechanical continuity of the shield remains broken.

Shielded implantable medical lead with reduced torsional stiffness

Implantable medical leads include a shield that is guarded at a termination by having a first portion and second portion of the shield, where the first portion is between a termination of the shield at the second portion and an inner insulation layer surrounding the filars. The first portion may reduce the coupling of RF energy from the termination of the shield at the second portion to the filars. The first and second portions may be part of a continuous shield, where the first and second portions are separated by an inversion of the shield. The first and second portions may instead be separate pieces. The first portion may be noninverted residing between the termination at the second portion and inner layers, or the first portion may be inverted to create first and second sub-portions. The shield termination at the second portion is between the first and second sub-portions.

A fishing lure in which the hook and body separate when a strike occurs. A body has a slot extending therethrough with a shoulder located along the slot. The hook has an elongate shank with a projection therein which normally engages the shoulder but upon a strike allows the body and hook to separate with the body sliding up the line. In another embodiment, the lure body defines an internal slot or cavity which houses a hook frame having opposite arms which releasably engage the slot and release the body when a fish is caught. The hook frame may be a solid element or comprise opposite spring-like arms.

Growing community of inventors

Saint Paul, MN, United States of America

Gary W Salminen