Patents by Inventor David Y. Phelps

David Y. Phelps has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5769871
    Abstract: The present invention comprises an embolectomy catheter for the removal of an embolus within a vessel of a patient, including a catheter shaft having a distal end with a diametrically adjustable hinged compartment thereat. The catheter shaft has a proximal end with a handle attached thereon. A longitudinally displaceable cannula is connected to the distal end of the catheter shaft and to a slidable tab in the handle, to permit controlled adjustment of the diametric size of the hinged compartment arranged adjacent the distal end of the catheter when the slidable tab is moved relative to the handle, to allow a physician to open the compartment to any desired size relative to a patient's vessel. The compartment may then be pulled through the vessel via a pull on the handle, to collect any embolus therewithin.
    Type: Grant
    Filed: March 6, 1997
    Date of Patent: June 23, 1998
    Assignee: Louisville Laboratories, Inc.
    Inventors: William C. Mers Kelly, David Y. Phelps
  • Patent number: 5681742
    Abstract: The present invention relates to a biological specimen and incubation container having a cylindrically shaped housing having a closed first end and an open second end. A plug, having a longitudinal bore therethrough, is anchored into a first position at the open end of the container. The container may then be supplied, via a pipette, through that bore in the plug. When the container is filled, the plug may be pushed further into the container, where it is squeezed by intermating tapered surfaces, to close the bore therein. An arrangement of annular lips and grooves in the container and the plug, anchors the plug to the container and ultimately seals and secures them together.
    Type: Grant
    Filed: September 26, 1995
    Date of Patent: October 28, 1997
    Assignee: Louisville Laboratories, Inc.
    Inventors: William C. MersKelly, David Y. Phelps
  • Patent number: 5662578
    Abstract: The present invention involves a tape dispenser which automatically generates non-sticky segments at the end or tab of tape or at successive segments of tape being pulled therefrom. This is accomplished by a media dispenser which deactivates the adhesive or by a roll member which creates a fold on the distal end of the tape, to provide the user non-sticky segments or end thereon.
    Type: Grant
    Filed: May 26, 1995
    Date of Patent: September 2, 1997
    Inventor: David Y. Phelps
  • Patent number: 5514111
    Abstract: A needle device for the delivery of medicaments, insuflation or other medical devices, having a reciprocable needle sensitive to lack of resistance, whereupon such needle retracts, permitting a cannula therewith to provide access to the penetrated body.
    Type: Grant
    Filed: December 22, 1994
    Date of Patent: May 7, 1996
    Inventor: David Y. Phelps
  • Patent number: 5376082
    Abstract: A needle device for the delivery of medicaments, insuflation or other medical devices, having a reciprocable needle sensitive to lack of resistance, whereupon such needle retracts, permitting a cannula therewith to provide access to the penetrated body.
    Type: Grant
    Filed: May 3, 1993
    Date of Patent: December 27, 1994
    Inventor: David Y. Phelps
  • Patent number: 5207647
    Abstract: A needle device for delivering medicaments to the body of a patient, the device including an elongated housing having a catheter on one end, with a trocar arranged through the end of the housing and the catheter. The trocar is reciprocably advancable and retractable with respect to the catheter. A spring biased carriage in the housing controls the movement of the trocar and causes it to retract from the distal end of the catheter after the catheter and trocar have been advanced into a body and the trocar no longer encounters resistance to forward or distally directed advance of the device.
    Type: Grant
    Filed: November 5, 1991
    Date of Patent: May 4, 1993
    Inventor: David Y. Phelps
  • Patent number: 5027825
    Abstract: A self-contained stethoscope transmitter comprises a pickup head including a housing which defines a precordial dome formed thereinto for contact with a patient whose bodily sounds are to be observed and/or monitored, and electronic circuitry positioned within the housing for receiving the sounds, converting the sounds into an FM signal representative thereof and transmitting the FM signal. The frequency of transmission is tunable over a range of frequencies by using a screwdriver which is removably secured within the housing. The pickup head includes a luer taper within a base of the head for alternate operation with an esophageal probe. The base can also be rotated relative to the remainder of the head to configure the head for either precordial or esophageal use with rotation of the head switching an internal battery to conserve the battery for shipment, storage or extended usage of the transmitter if desired.
    Type: Grant
    Filed: March 30, 1989
    Date of Patent: July 2, 1991
    Inventors: Jerry A. Phelps, Sr., David Y. Phelps