Patent application number | Description | Published |
20100266422 | Positive Displacement Pump System and Method with Rotating Valve - Systems and methods including a valve piston in a pumping chamber. The pumping chamber may include a pump inlet and a pump outlet in fluid communication with the pumping chamber. The valve piston may be configured to rotate between a first position within the pumping chamber and a second position outside of the pumping chamber. | 10-21-2010 |
20100266423 | System and Method for Pump with Deformable Bearing Surface - Systems and methods for pumping fluid comprising a pumping chamber, a pump inlet, a pump outlet, a valving mechanism, and a drive piston or pumping chamber wall including a deformable surface configured to provide elastohydrodynamic lubrication during operation. | 10-21-2010 |
20100268333 | SYSTEM AND METHOD FOR CONTROLLING PUMP - Systems and methods to control the movement of one or more pistons in a pumping chamber. The systems and methods may include a sensor to sense an external variable provide an output signal. The systems and methods may also include a microprocessor configured to receive the output signal from the sensor and to change an operating parameter of the pump in response to the output signal. | 10-21-2010 |
20100268334 | System and Method for Pump Variable Stroke - Systems and methods for providing a variable pumping stroke from a pump comprising a pumping chamber, a pump inlet, a pump outlet, a valving mechanism, and a drive piston. | 10-21-2010 |
20110160788 | POSITIVE DISPLACEMENT PUMP SYSTEM AND METHOD - Systems and methods including a motor or electromagnets to control the movement of one or more pistons in a pumping chamber. The pumping chamber may include a pump inlet and a pump outlet in fluid communication with the pumping chamber. Surfaces on a piston or pumping chamber may include hydrodynamic bearing surfaces. | 06-30-2011 |
20120059398 | Magnetic Ventricular Connector - A magnetic coupling for connecting a cannula to the apex of a ventricle comprising a first member having a first orifice, a first magnetic material attached to the first member, a means for attaching a cannula to the first member, a second member having a second orifice, a second magnetic material attached to the second member, a means for attaching the second member to a ventricle, so that when the first magnet is placed in proximity to the second magnet the first member and second member are held substantially concentric by magnetic force to allow for the communication of fluid between the first and second orifices. | 03-08-2012 |
20120211006 | Automated Needle Insertion Mechanism - A device is provided for automatically inserting a catheter or other medical implement into a patient. An imaging module ( | 08-23-2012 |
20140058190 | SYSTEM AND METHOD FOR CONTROLLING PUMP - Systems and methods including a motor or electromagnets to control the movement of one or more pistons in a pumping chamber. The pumping chamber may include a pump inlet and a pump outlet in fluid communication with the pumping chamber. Surfaces on a piston or pumping chamber may include hydrodynamic bearing surfaces. | 02-27-2014 |