Patents Examined by Colleen Reilly
  • Patent number: 4758235
    Abstract: Apparatus is provided for intravenous administration of a series of solutions for cardiopulmonary resuscitation. Each solution is in a separate syringe held in place on a base plate. All syringes are connected at the same time to a single stopcock with multiple inlets and a single outlet for connection via tubing to a needle in the patient's vein. A selector handle on the stopcock is rotated to a particle inlet to select the solution in a particular syringe. The assembly eliminates the changing of syringes, the confusion and errors, and the need for assistance of the prior apparatus and speeds up the administration of the medications to make the treatment more effective, and, more importantly, reduces the risk of bacterial contamination.
    Type: Grant
    Filed: May 26, 1987
    Date of Patent: July 19, 1988
    Inventor: Ho C. Tu
  • Patent number: 4751922
    Abstract: An improved flexible medullary reamer for shaping the medullary space of bones. The shaft is comprised of a single solid element. To permit the use of an elongated guide element, the shaft may be axially bored throughout its length. Attached to the shaft's opposite ends respectively, a cutting head and a means of connecting the shaft to a drive mechanism. To compliment the shaft, said cutting head and connecting means may be centrally bored.
    Type: Grant
    Filed: June 27, 1986
    Date of Patent: June 21, 1988
    Inventor: Al DiPietropolo
  • Patent number: 4750492
    Abstract: An apparatus for repairing torn animal body tissue in a single procedure features a suture, anchor attached at one end of the suture to prevent the suture from being pulled through the tissue, and clenching device adapted to grip the suture on the opposite side of the tissue from where the anchor device is disposed so that the torn tissue may be held together by cooperating between the anchor device and the clenching device within the body, all of which are formed of a biodegradable material so that they will all be absorbed into the body over time thereby eliminating the need for another surgical procedure to remove them from the body. The installer is used to install the clenching device with one hand so that the other is free to pull on the suture.
    Type: Grant
    Filed: February 27, 1985
    Date of Patent: June 14, 1988
    Assignee: Richards Medical Company
    Inventor: Randall W. Jacobs
  • Patent number: 4747828
    Abstract: A detector for determining when an occlusion has occurred in the fluid line of an IV administration set comprises means associated with an IV infusion pump to determine the resistive force exerted by fluid in the line against the pumping mechanism of the pump. The detector includes a flexible beam which is mounted between the plunger and the activator of the pumping mechanism and which bends proportionately to the magnitude of the resistive force. A strain gauge attached to the beam activates an alarm which stops the IV pump when flexure of the beam indicates an occlusion in the line has occurred.
    Type: Grant
    Filed: December 9, 1986
    Date of Patent: May 31, 1988
    Assignee: Fisher Scientific Group
    Inventor: Gus G. Tseo
  • Patent number: 4745913
    Abstract: The external device for fixing the pins to be inserted into the bone fragments comprises at least one carrier bar, a screw for securing the pins to the carrier bar, a stirrup and a washer for securing the screw to the carrier bar. The stirrup and the washer have at least on the surfaces in contact with the rough surfaces of the bar a deformable lining. The device permits the adjustment of the different parts and improved stabilization of the pins.
    Type: Grant
    Filed: June 24, 1986
    Date of Patent: May 24, 1988
    Inventors: Enrico Castaman, Lino Borghettino
  • Patent number: 4738256
    Abstract: A surgical tool, for use in hip replacement operations comprises a substantially linear stem which in use seats within a preformed femur cavity. A fixed arm extends medially from an upper portion of the stem and terminates in support for a rotatable cutter. One end of the cutter is received in a seating on the stem below the fixed arm. Ancilliary equipment includes a depth locating tool, so correctly positioning the hip implant in relation to the retained femur neck.
    Type: Grant
    Filed: June 26, 1986
    Date of Patent: April 19, 1988
    Assignee: Finsbury (Instruments) Limited
    Inventors: Michael A. R. Freeman, Michael A. Tuke
  • Patent number: 4731061
    Abstract: A unit is provided comprising a filter assembly, a cap and connector assembly to substantially reduce the risk of contaminants entering the flow of material delivered to a patient. The cap and connector assembly portion protects an administration kit from contamination during the priming of the kit. A first portion of the cap closes off the material flow route through the connector, but can be removed by tearing it away from the second portion at a weak area, opening the flow route and allowing the administration kit to be primed. As the system is primed, the second portion of the cap protects the outer surface of the connector. After the administration set has been primed, the second portion of the cap is removed, exposing the outer walls of the connector for mating with a complementary connector. The housing includes three ports for material flow.
    Type: Grant
    Filed: June 24, 1987
    Date of Patent: March 15, 1988
    Assignee: Pall Corporation
    Inventor: Vlado I. Matkovich