Vadovations, Inc.

Star Bp, Inc.

Zevex, Inc.

J Ryan Stanfield

Timothy R Maher

Michael A Vladovich

Andrew Matthews

Trevor A Snyder

James W Long

David Carballo

Olman Madrigal

Kent F Beck

Azur Azapagic

Dana G Pelletier

Sean K Barry

Jared D Allen

Matthew Keillor

Landon Tompkins

Michael Vladovich

A ventricular assist system including a cannula that defines a lumen and includes a first end and a second end. The second end of the cannula includes a tip that defines an opening, and a pump operably is coupled to the first end of the cannula. A pump anchor is operably coupled to the pump. The pump anchor has a retracted position and a deployed position. A tip anchor is operably coupled to the second end of the cannula proximate the tip. A sheath is selectively disposed around the cannula, and a guidewire disposed within the lumen of the cannula.

Ventricular assist system and method of treatment of cardiovascular impairment

A rotary pump housing having a cylindrical bore, a pumping chamber and a motor stator including an electrically conductive coil located within the housing and surrounding a portion of the cylindrical bore. A rotor has a cylindrical shaft with an impeller and one or more magnets located within the shaft that are responsive to the motor stator to drive actuation of the rotor. The housing bore is closely fitted to the outer surface of the shaft forming a hydrodynamic journal bearing with an annular clearance defining a leakage flow path. One or more of radial or axial thrust bearings may be provided to provide rotation stability to the rotor and flow within the leakage flow path. The relative orientation of positions of the inflow, outflow, and leakage flow paths may be varied within the pump, such as to accommodate different intended methods for implantation and/or use.

Heart assist device

A blood pump system includes a blood pump and a corresponding controller. The blood pump includes an impeller that is sealed within the pump housing and hydrodynamically suspended within the pump housing. The pump impeller includes magnets, and is the rotor of a brushless direct current (DC) motor that is driven by electrical signals through stator wire coils in the pump housing, which creates a rotating magnetic field. The rotating magnetic field attracts the magnetized impeller and spins it with the rotating field. The controller provides field-oriented control for the brushless DC motor in the blood pump. The field-oriented control in the controller is provided in a programmable logic device separate from a control processor so that a software or hardware failure related to the control processor does not stop the blood pump. The field-oriented control allows sensing blood flow through the pump without having sensors in the blood stream.

Blood pump controller and system

In-line occluder

A rotary pump housing having a cylindrical bore, a pumping chamber and a motor stator including an electrically conductive coil located within the housing and surrounding a portion of the cylindrical bore. A rotor has a cylindrical shaft with an impeller and one or of magnets located within the shaft that are responsive to the motor stator to drive actuation of the rotor. The housing bore is closely fitted to the outer surface of the shaft forming a hydrodynamic journal bearing with an annular clearance defining a leakage flow path. One or more of radial or axial thrust bearings may be provided to provide rotation stability to the rotor and flow within the leakage flow path. The relative orientation of positions of the inflow, outflow, and leakage flow paths may be varied within the pump, such as to accommodate different intended methods for implantation and/or use.

In an aspect, a device includes a body structure including a core and a sleeve disposed around at least a portion of the core, the core defining a channel through the core extending from a first end of the core to a second end of the core, the sleeve including a flange adjacent the second end of the core; and a deployable portion coupled to the body structure adjacent the first end of the core, the deployable portion having a wired structure transitionable between a retained configuration and a deployed configuration, wherein a top portion of the wired structure extends beyond the first end of the core in a longitudinal direction when the wired structure is in the retained configuration, and wherein first end of the core extends beyond the top portion of the wired structure when the wired structure is in the deployed configuration.

Tissue interface apparatus, systems, and methods

A heart assist device comprising a rotary pump housing having a cylindrical bore, a pumping chamber and a motor stator including an electrically conductive coil located within the housing and surrounding a portion of the cylindrical bore. A rotor has a cylindrical shaft with an impeller and one or of magnets located within the shaft that are responsive to the motor stator to drive actuation of the rotor. The housing bore is closely fitted to the outer surface of the shaft forming a hydrodynamic journal bearing with an annular clearance defining a leakage flow path. One or more of radial or axial thrust bearings may be provided to provide rotation stability to the rotor and flow within the leakage flow path. The relative orientation of positions of the inflow, outflow, and leakage flow paths may be varied within the pump, such as to accommodate different intended methods for implantation and/or use.

A peristaltic infusion pump system has a convex platen surface opposite a linear peristaltic pumping mechanism. The convex platen surface may be part of a cassette of an administration set removably loadable in an infusion pump, or the convex platen surface may be a feature of the pump itself. Pumping efficiency is improved without giving up the ability to have independently controlled compensating fingers. The convex platen surface may have a trapezoidal profile, a curved profile, or a hybrid profile having upstream and downstream inclined portions connected by an intermediate curved portion.

Infusion pump apparatus having convex platen surface

An electrical connector includes a plug that mates with a receptacle. In a medical application, the plug is connected to electrical leads that pass through a patient's skin to an implanted medical device in the patient's body, while the receptacle is connected to external medical equipment. All electrical contacts in the plug are on internal portions. The receptacle includes annular contacts that contact the internal electrical contacts on the plug when the plug and receptacle are properly mated. The receptacle includes a plurality of annular electrical contacts that have a first diameter and are separated by a plurality of annular insulators having a second diameter smaller than the first diameter.

Electrical connector

An electrical connector includes a plug that mates with a receptacle. In a medical application, the plug is connected to electrical leads that pass through a patient's skin to an implanted medical device in the patient's body, while the receptacle is connected to external medical equipment. The plug is small in diameter so the size of the opening in the patient's skin can be minimized. All electrical contacts in the plug are on internal portions. The receptacle includes annular contacts that contact the internal electrical contacts on the plug when the plug and receptacle are properly mated. When the plug is plugged into the receptacle, spring-loaded retention arms in the receptacle lock into place on the plug, retaining the plug in the receptacle.

Growing community of inventors

Salt Lake City, UT, United States of America

J Ryan Stanfield