Patents Represented by Attorney James Stevenson
  • Patent number: 7615031
    Abstract: A gas inflation/evacuation system incorporating a multiple element valved guidewire assembly having an occlusive device for use in thrombectomy or other vascular procedures includes a multiple element valved guidewire assembly having an occlusive balloon removably and sealingly connectible to an included manifold assembly where a guidewire tube defines a lumen for inflation or deflation of the occlusive balloon. A first syringe for evacuating the lumen and a second syringe for introducing a biocompatible gas into the lumen to inflate the occlusive balloon that is in fluid communication with the lumen a plurality of times are included. A sealing valve arrangement selectively seals the proximal portion of the guidewire tube to control inflated or deflated states of the occlusive balloon.
    Type: Grant
    Filed: September 1, 2005
    Date of Patent: November 10, 2009
    Assignee: MEDRAD, Inc.
    Inventors: Michael J. Bonnette, Richard R. Prather, Eric J. Thor
  • Patent number: 7414382
    Abstract: A battery charger system, for use with an injector system, comprises a power supply and a battery pack. The power supply converts AC power to DC power. The battery pack includes a battery and a charging module. The module monitors the operating mode of the injector system. When the battery pack is disconnected from the injection control unit, the module enables the power supply to charge the battery with DC power. When the battery pack is connected to the injection control unit: (A) upon detecting the injector system in an idle mode, the module routes DC power from the power supply to both the battery for charging thereof and the injection control unit for operation thereof; and (B) upon detecting the injector system in a non-idle mode, the module prevents the power supply from charging the battery and enables the battery to provide DC power to the injection control unit.
    Type: Grant
    Filed: April 10, 2007
    Date of Patent: August 19, 2008
    Assignee: MEDRAD, Inc.
    Inventors: Edward P. Liscio, John A. Brosovich, Richard A. Riggio, Mark Trocki
  • Patent number: 7224143
    Abstract: A battery charger system, for use with an injector system, comprises a power supply and a battery pack. The power supply converts AC power to DC power. The battery pack includes a battery and a charging module. The module monitors the operating mode of the injector system. When the battery pack is disconnected from the injection control unit, the module enables the power supply to charge the battery with DC power. When the battery pack is connected to the injection control unit: (A) upon detecting the injector system in an idle mode, the module routes DC power from the power supply to both the battery for charging thereof and the injection control unit for operation thereof; and (B) upon detecting the injector system in a non-idle mode, the module prevents the power supply from charging the battery and enables the battery to provide DC power to the injection control unit.
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: May 29, 2007
    Assignee: Medrad, Inc.
    Inventors: Edward P. Liscio, John A. Brosovich, Richard A. Riggio, Mark Trocki
  • Patent number: 7221159
    Abstract: An antenna coupling enables communication across a barrier to radio frequencies. The antenna coupling comprises first and second antennas. The first antenna is adapted for positioning on a first side of the barrier, and is capable of receiving from and transmitting to a first transceiver disposed on the first side. The second antenna is adapted for positioning on a second side of the barrier, and is capable of receiving from and transmitting to a second transceiver on the second side. The interconnection of the first and second antennas through the barrier comprises the antenna coupling. The antenna coupling enables the first and second transceivers to communicate across the barrier over the desired range(s) of radio frequencies. In a related aspect, the antenna coupling may also include a filter interconnected between the first and second antennas to prevent radio frequencies outside of the desired range(s) from being transmitted across the barrier.
    Type: Grant
    Filed: August 22, 2002
    Date of Patent: May 22, 2007
    Assignee: Medrad, Inc.
    Inventors: David M. Griffiths, George J. Misic, William J. Monski, Mo Shuen Ng, John A. Brosovich