Boston Scientific Scimed, Inc.

Scimed Life Systems, Inc.

Boston Scientific Corporation

Gerald M Hubbs

Kimbolt Young

Jeffrey Zerfas

Steve A Pickett

Gregory R Furnish

Gregory G Brucker

Simon M Furnish

David A Rahdert

Todd A Hall

William C Mers Kelly

Matthew Pease

Brandon G Walsh

Thomas Banks

Hacene Bouadi

John Conrad Muskivitch

Russ J Redmond

William A Reuss, Jr

Indaka Gunasekara

Travis Rowe

Enrique Malaret

David Byrd

Josh Barber

Sava A Chernomordik

Gregory M Ruhf

Benjamin E Morris

Gene McCallister

John Hewitt

Michael W Wilson

Valerie Futral

Claude A Vidal

Mohamed Faznl Abdulaziz

Benjamin Morris

Valerie Futral Maron

Michael A Wilson

Jeffrey W Zerfas

Steve Pickett

A tissue ablation probe is provided. The tissue ablation probe comprises an elongated shaft, at least one electrode tine carried by the elongated shaft, at least one tine exit from which the electrode tine(s) can be deployed from the elongated shaft and retracted within the elongated shaft, and a sheath covering the electrode tine exit(s). The sheath may, e.g., line an exterior surface of the elongated shaft or an interior surface of the elongated shaft. The sheath has at least one tine valve (e.g., a slit) positioned over the electrode tine exit(s) and configured to open when the electrode tine is deployed and to close when the electrode tine(s) is retracted. In one embodiment, the tine valve(s) is configured to open in response to pressure exerted during deployment of the electrode tine(s). In another embodiment, the tine valve(s) is configured to hinder the entry of biological material within the elongated shaft. In one embodiment, the sheath is pliable, such that the tine valve(s) can more easily hinder the entry of the biological material.

RF ablation probes with tine valves

Systems for delivering a bifurcated stent to a bifurcation site include catheters and/or bifurcated systems delivered therefrom. A catheter includes a balloon with a bulge region that allows a portion of the stent to be expanded.

Bifurcated stent and delivery system

A RF ablation device includes a probe assembly that has an elongate cannula having a lumen disposed interiorly of an external wall of the cannula. The elongate cannula includes a plurality of slots formed within the external wall that provide access to the lumen. The probe assembly includes an electrode member that is slidably disposed within the elongate cannula, the electrode member including a plurality of tines configured for passage through the plurality of slots. The slots are disposed in a staggered arrangement or pattern about the external wall of the cannula. The staggered arrangement of slots may be used in a monopolar or bipolar arrangement of the electrodes on the cannula. A bipolar arrangement of electrodes using the staggered configuration produces larger ablation areas in a shorter period of time as compared to prior designs.

Radiofrequency ablation device

Systems for delivering a bifurcated stent to a bifurcation site comprise catheters and/or bifurcated stents delivered therefrom.

A bifurcated stent includes a first stent section and a second stent section. The first stent section is balloon expandable, has an unexpanded configuration, an expanded configuration, and a tubular wall defining a secondary opening. The secondary stent section is self-expanding and an end of the secondary stent section is engaged to a portion of the tubular wall of the primary stent section defining the secondary opening. The secondary stent section has an unexpanded configuration with a first length and an expanded configuration with a second length where the first length is less than the second length. The secondary stent section is expanded to the expanded configuration after the primary stent section is expanded to the expanded configuration. The secondary stent section forms a portion of the tubular wall of the primary stent section in the unexpanded configuration.

A tissue penetrating probe includes a distal tissue piercing end; a first electrode; a second electrode; and a dielectric element. A proximal end of the dielectric element is bonded to a distal end of the first electrode and a distal end of the dielectric element is bonded to a proximal end of the second electrode. The dielectric element is formed of a composite material including a fiber braid within a polymeric material.

Composite material braided insulator

An ablation probe, comprises a distal substantially tubular electrode, a proximal substantially tubular electrode and a substantially tubular dielectric element. A proximal end of the dielectric element is bonded to a distal end of the proximal electrode and a distal end of the dielectric element is bonded to a proximal end of the distal electrode. The dielectric element is formed of a composite material including a fiber braid within a polymeric material.

A bifurcated stent comprises a first stent section and a second stent section. Each stent section is expandable from a predeployed state to a deployed state independently from one another. The second stent section having an end engaged to a receiving region of the first stent section. In the deployed state the first stent section defines a primary flow path and the second stent section defines a secondary flow path in fluid communication with the first flow path. At least a portion of one or both the first stent section and second stent section is constructed from a wire member.

Bifurcated stent

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Louisville, KY, United States of America

Gerald M Hubbs