Cook Medical Technologies LLC

Cook Vascular Incorporated

Cook Pacemaker Corporation

Merit Medical Systems, Inc.

Robert Booker

Chun Kee Lui

Louis B Goode

Michael Wayne Emmert

Benjamin T Ewing

Dustin John Arabia

Christopher Nick Magalich

Charles L McIntosh

Marc A Cossette

Rupert Barton

Bill Boyle

William Harris

John Hiles

Joseph J Schillinger

Frances Penrose

A tip engageable with an elongated sheath member for extracting an implanted elongated structure, such as a cardiac lead, from an obstruction in a body vessel of a patient. The tip includes a tip body having a proximal end, a distal end, and a passageway extending therethrough. The tip body proximal end is engageable with the distal end of the sheath member distal end. The passageway of the tip is aligned with the passageway of the sheath such that the implanted structure is receivable therein. The tip body distal end includes a segment tapering toward a leading edge. A disrupter element, such as a plurality of helices, is disposed along the outer surface of the tip body distal end. The disruptor element is configured for non-cuttingly disrupting the obstruction as the tip is advanced over the implanted structure.

Tip for lead extraction device

A tip engageable with an elongated sheath member for extracting a cardiac lead from an obstruction in a body vessel of a patient. The tip includes a tip body having a proximal end, a distal end, and a passageway extending therethrough. The tip body proximal end is engageable with the distal end of the sheath member distal end. The passageway of the tip is aligned with the passageway of the sheath such that the cardiac lead is receivable therein. The tip body distal portion has a plurality of sides extending circumferentially therearound, wherein the sides have respective ends and an inwardly directed radiused portion between the ends.

A device for extracting an elongated implanted structure from an obstruction within a vessel of a patient includes an inner sheath assembly and an outer sheath assembly. The inner sheath assembly includes an inner sheath and a tip, each having a passageway therethrough for receiving the implanted structure. The tip is configured for cutting and/or disrupting the implanted structure from the obstruction. The outer sheath assembly includes an outer sheath and a tip, each having a passageway therethrough for receiving the inner sheath assembly. The outer surface of this tip includes a plurality of raised elements circumferentially disposed therealong. The raised elements are configured for stabilizing the tissue of the vessel as the device is advanced through the vessel.

Enhanced outer sheath for extraction device

A surgical snare is provided having an operating wire and an outer sheath having a lumen extending therethrough, wherein the operating wire is disposed within the lumen and is longitudinally movable within the lumen. The surgical snare also has a first locking member attached to the operating wire and a second locking member attached to the outer sheath. The first locking member is frictionally engageable with the second locking member by sliding the outer sheath longitudinally along the operating wire until the first locking member contacts the second locking member. The operating wire is prevented from moving longitudinally with respect to the outer sheath when the first locking member is frictionally engaged with the second locking member.

Snare auto micro-lock

A snare for deployment or retrieval of an implantable medical apparatus. The snare includes a shaft, and a tip distal of the shaft. The tip includes an extendable member capable of self-centering the implantable apparatus during a deployment or retrieval. The extendable member is selectively receivable in the tip, distally extendable from the tip, and rotatable relative to the tip. An activatable handle is engaged with the shaft. A wire has an end engaged with the handle and an end engaged with the tip. Upon activation, the wire is urged in a proximal direction, resulting in a flexure of the tip. An elongated mechanism has a proximal portion engaged with the handle, and a distal portion engaged with the tip extendable member. The elongated mechanism is configured for selectively controlling the receiving, deploying, and rotating of the extendable member.

Snare system

A device for preparing an elongated implanted medical apparatus, such as a cardiac lead, for extraction from the body of a patient. The device includes a first handle and a second handle. At least the first handle has a surface for receiving the implanted apparatus therealong. A wire member having a first end and a second end is positioned to span a distance between the surface of the first handle, and the second handle. The wire member first end is removably engaged with the first handle, and the wire member second end is removably engaged with the second handle. The wire member is sized and arranged to enable the wire member to be wound around a length of the implanted apparatus to facilitate extraction of the apparatus with a lead extraction device.

Device for preparing an implanted medical apparatus for extraction

An entry device for providing access to the interior of a body vessel through a wall of the vessel to enable removal of an implanted structure, such as a cardiac lead, from the body vessel includes an elongated sheath member and a tip positioned at the distal end of the sheath member. The elongated sheath member and tip have respective passageways extending therethrough that are sized and aligned to receive the implanted structure therein upon accessing the vessel. The elongated sheath member is capable of delivering sufficient torque to permit advancement of the tip through a wall of the vessel. The device may include an optional handle, and may be driven by manual or mechanical action.

Vessel entry device

A delivery system for an implantable member includes an elongated dilator splittable at both the proximal and distal ends. The dilator has a tapered distal end and a pair of tabs at the proximal end. An introducer for the implantable member is received in a passageway of the dilator and extends along a length of the dilator to the tapered distal end. The introducer is arranged relative to the dilator such that upon a relative proximal movement of the dilator, the tapered distal tip of the dilator splits whereby the distal end of the introducer extends therethrough. A handle has a gripping mechanism for engagement with each tab for initiating proximal movement of the dilator relative to the introducer upon rotation of the gripping mechanism. The handle is structured for splitting the dilator proximal portion upon the relative proximal movement of the dilator.

Splittable dilator delivery system

There are disclosed embodiments of a system for retrieving a filter device from within a patient. A tube or sheath and one or more cables or other elongated members, which include a protrusion such as a bead at or adjacent a distal end, are movable with respect to each other. When the tube or sheath is adjacent a filter device, the cable or elongated member is extended so that the protrusion is between or through wires of the filter, and the protrusion is engaged to or between two or more of the wires. The filter is placed within the tube or sheath, as by retracting the cable or elongated member to pull the filter, by moving the tube or sheath over the cable or elongated member while it engages the filter under tension, or both.

Filter removal device

A modular hemostatic valve includes a splittable valve body. The splittable body defines a passageway. A sealing element is positioned in the passageway. The sealing element is configured to facilitate the passage of a first medical device, and the splittable valve body is configured to engage a second medical device.

Modular hemostatic valve

A device for support and protection of a tubular element has a single-piece construction, and respective open and closed configurations. The device includes a base portion, at least one side-portion, and a living hinge interconnecting the side-portion and the base portion. The base portion includes a plurality of recesses on a surface, each recess being delimited by a plurality of pins, each pin having an indentation. The plurality of indentations form a pocket by which the tubular element is held. The living hinge opens such that the side-portion is substantially parallel to the base portion in the open configuration, and closes such that the side-portion fauns a protective shell about the base portion in the closed configuration.

Micropipette holder

A holder for a micro-sized medical device, such as a pipette, includes a main body portion having an interior space sized for housing at least one pipette. A reducing insert comprising a sleeve has an open end and a substantially closed end. The sleeve is sized such that the open end is receivable in the main body portion through an open axial end of the main body, and the substantially closed end has an aperture extending therethrough having a diameter sufficient for passage of a pipette therethrough. An end cap is engageable with the open axial end of the main body portion, and is selectively movable between an open position wherein the interior space of the main body communicates via the aperture with an environment exterior of the holder, and a closed position wherein the seal covers the aperture. The components of the holder may be formed integrally or separately.

Growing community of inventors

Vandergrift, PA, United States of America

Robert Booker