MICROMED TECHNOLOGY, INC. Patent applications |
Patent application number | Title | Published |
20130042892 | PUMP CLEAN-OUT SYSTEM - A system for cleaning an implanted blood pump, comprising: an inflow catheter having an expandable inflow member positioned about the periphery thereof; an inflow tube coupled with the inflow catheter; a valve assembly coupled to the inflow tube; an outflow tube coupled to the valve assembly; and an outflow catheter having an expandable outflow member positioned about the periphery thereof, the outflow catheter being coupled to the outflow tube. In use, the inflow tube and outflow tube extend through the skin of a human body, the inflow catheter and outflow catheter are positioned within the human body, and the valve assembly is positioned outside the human body. | 02-21-2013 |
20110093230 | DEVICE, METHOD, AND SYSTEM FOR CALIBRATION OF A FLOW METER USED IN CONJUNCTION WITH A VENTRICULAR ASSIST DEVICE - A blood flow calibration system | 04-21-2011 |
20100130809 | BLOOD PUMP SYSTEM - A blood pump system and methods for the use and operation of such a blood system is described, wherein the blood pump system includes an implantable pump and an implantable flow measurement device. A processing device receives indications of a number of pump parameters such as pump voltage, pump current and pump speed. Flow rate is determined based on the pump parameters, and this determined flow rate is compared to the actual flow rate as measured by the flow measurement device. In certain embodiments, the flow measurement device may be periodically energized to make the comparison, then powered off to reduce power consumption. The time period in which the flow measurement device is powered off is based on the difference between the determined and the actual flow rates. | 05-27-2010 |
20090192749 | DEVICE, METHOD, AND SYSTEM FOR CALIBRATION OF A FLOW METER USED IN CONJUNCTION WITH A VENTRICULAR ASSIST DEVICE - A blood flow calibration system | 07-30-2009 |
20090156885 | ARTIFICIAL HEART SYSTEM - A blood pump system includes two blood pumps, which may be implanted into a patient. The blood pumps may comprise VAD pumps. Control devices and methods operate the pumps such that they can function as a total artificial heart. | 06-18-2009 |
20090143635 | ROTARY BLOOD PUMP - A blood pump consisting of an inflow cannula, a stator fixed to the pump housing, a flow straightener, an impeller, and a diffuser. The pump may include a flow straightener assembly consisting of the flow straightener body and front shaft. The pump may include an impeller assembly with a bearing on the front hub section. The pump may have a body contour which is shaped such that the rear section of the flow straightener body blends into the inserted shaft and there is no axial gap between the end of the flow straightener other than the ends of the blades and the front hub of the impeller. | 06-04-2009 |
20080281146 | BLOOD PUMP SYSTEM AND METHOD OF OPERATION - A blood pump system includes a blood pump having a motor with a rotor and a stator. The stator has a plurality of stator windings situated therein. A motor controller is coupled to the motor, and a processor has inputs coupled to the motor controller for receiving a time continuous signal from the pump. The processor is programmed to transform the time continuous signal to the frequency domain, and control the pump and detect excess suction in response to the time continuous signal in the frequency domain. | 11-13-2008 |