Patents by Inventor R. Hayes Helgren

R. Hayes Helgren 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: 6652509
    Abstract: A housing that can be used to form and maintain a fluid-tight connection between a container and a medical device. The housing comprises an internal receiving surface circumscribing a cavity into which a fitting of the medical device can be inserted. The internal receiving surface comprises a first wall portion having a first contact annulus and a second wall portion having a second contact annulus. Upon insertion of the fitting into an opening in the cavity of the housing, the fitting forms a primary seal with the first contact annulus and a secondary seal with the second contact annulus. The primary seal is formed as the surface of the fitting contacts the first contact annulus of the internal receiving surface of the housing. The secondary seal is formed as the surface of the fitting contacts the second contact annulus of the internal receiving surface of the housing.
    Type: Grant
    Filed: April 3, 2000
    Date of Patent: November 25, 2003
    Assignee: Abbott Laboratories
    Inventors: R. Hayes Helgren, Kenneth A. Hsu, Gary L. Johnston, Ray A. Winfield
  • Patent number: 5983770
    Abstract: A reseal is partially perforated by stretching the reseal membrane, establishing contact between one side of the membrane and an anvil, and by effecting partial penetration of the membrane with at least one cutting edge from the other side of the membrane to a predetermined distance from the anvil. Multiple partial perforations may be made with one or more cutting edges.
    Type: Grant
    Filed: February 24, 1997
    Date of Patent: November 16, 1999
    Assignee: Abbott Laboratories
    Inventors: R. Hayes Helgren, Charles C. Valentincic
  • Patent number: 5951863
    Abstract: Medical drug formulation and delivery system includes a reverse osmosis device for purifying water from a source comprising a housing having an inlet for passage of water from the source, a first outlet for passage of purified water from the housing and a second outlet for passage of waste water remaining after purification. A first reverse osmosis multilayer assembly is disposed within the housing in fluid communication with the inlet for purification of at least a first portion of the water from the source. Water treatment chemicals can be positioned in a core about which the first reserve osmosis multilayer assembly is wound. The treatment chemicals are in fluid communication with the first reverse osmosis multilayer assembly to receive the first purified portion of water and for removal of at least chemical contaminants therefrom.
    Type: Grant
    Filed: June 20, 1994
    Date of Patent: September 14, 1999
    Assignee: Abbott Laboratories
    Inventors: Robert J. Kruger, Warren P Frederick, R. Hayes Helgren, Mark E. Larkin, Joaquin Mayoral, Brad A. Schmolesky, Roman W Siczek, Kenneth J. Timmons
  • Patent number: 5580351
    Abstract: The present invention relates to a pointed adapter which enables a blunt entry device such as a blunt cannula to readily penetrate an elastomeric closure such as a conventional vial stopper. The adapter includes a breakaway collar which initially protects the adapter point from touch contamination and from accidental stick to the user.
    Type: Grant
    Filed: August 18, 1994
    Date of Patent: December 3, 1996
    Assignee: Abbott Laboratories
    Inventors: R. Hayes Helgren, David E. Kramer
  • Patent number: 5520666
    Abstract: A valve including a substantially rigid cannula and a valve member positioned for operable communication with the cannula. The valve member is formed from a substantially resilient material, having a slit extending therethrough, and movable with respect to the cannula between a first closed position and a second open position. The slit is substantially closed by the resiliency of the material of the valve member when the valve member is positioned in the first closed position and the cannula cooperates to extend through the slit during movement of the valve member from the first closed position to the second open position to establish a fluid flow path through the cannula and the valve member. A sealing member is also provided independent from a flow of fluid within the fluid flow path to provide positive sealing of the slit when the valve member is positioned in the first closed position.
    Type: Grant
    Filed: December 6, 1994
    Date of Patent: May 28, 1996
    Assignee: Abbott Laboratories
    Inventors: Hrishikesh Choudhury, R. Hayes Helgren, Charles C. Valentincic
  • Patent number: 5514123
    Abstract: The present invention relates to a sterile form, filled and sealed flexible solution container and an attached port assembly that allows for the sterile dispensing of the solution. In particular, the present invention relates to a sterile formed, filled and sealed flexible solution container and a sterile administration port assembly which is attached without interrupting the complete sealing of the hermetically sealed fluid container and which allows for the sterile packaging, storage and delivery of a sterile medical solution without heat degradation or oxygen permeation.
    Type: Grant
    Filed: March 28, 1994
    Date of Patent: May 7, 1996
    Assignee: Abbott Laboratories
    Inventors: Wayne F. Adolf, R. Hayes Helgren, James T. Renick, Walter T. Szempruch
  • Patent number: 5498338
    Abstract: Medical drug formulation and delivery system includes a reverse osmosis device for purifying water from a source comprising a housing having an inlet for passage of water from the source, a first outlet for passage of purified water from the housing and a second outlet for passage of waste water remaining after purification. A first reverse osmosis multilayer assembly is disposed within the housing in fluid communication with the inlet for purification of at least a first portion of the water from the source. Water treatment chemicals can be positioned in a core about which the first reserve osmosis multilayer assembly is wound. The treatment chemicals are in fluid communication with the first reverse osmosis multilayer assembly to receive the first purified portion of water and for removal of at least chemical contaminants therefrom.
    Type: Grant
    Filed: June 3, 1994
    Date of Patent: March 12, 1996
    Assignee: Abbott Laboratories
    Inventors: Robert J. Kruger, Warren P. Frederick, R. Hayes Helgren, Mark E. Larkin, Joaquin Mayoral, Brad A. Schmolesky, Roman W. Siczek, Kenneth J. Timmons
  • Patent number: 5493845
    Abstract: The present invention relates to a sterile form, filled and sealed flexible solution container and an attached port assembly that allows for the sterile dispensing of the solution.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: February 27, 1996
    Assignee: Abbott Laboratories
    Inventors: Wayne F. Adolf, R. Hayes Helgren, James T. Renick, Walter T. Szempruch
  • Patent number: 5470327
    Abstract: The present invention relates to a pointed adapter which enables a blunt entry device such as a blunt cannula to readily penetrate an elastomeric closure such as a conventional vial stopper. The adapter also includes a collar which initially protects the adapter point from touch contamination and from accidental stick to the user.
    Type: Grant
    Filed: September 20, 1994
    Date of Patent: November 28, 1995
    Assignee: Abbott Laboratories
    Inventors: R. Hayes Helgren, David E. Kramer
  • Patent number: 5403525
    Abstract: A reseal member having a preferentially weakened central portion, and a method of its manufacture through the application of ultrasonic energy. The reseal is for use with an associated blunt cannula. The reseal comprises a central region and a peripheral region. The central region has a predetermined thickness and includes, in the direction of thickness, a weakened portion extending at least partially therethrough. The upper and lower surface portions of the reseal are continuous and unbroken. A method of forming the weakened central portion includes the steps of positioning the reseal member in an ultrasonic energy generating device, placing the member in compression, and imparting a predetermined amount of ultrasonic energy, in the form of vibrational energy, into the reseal member. The present reseal member can be used for solution vials and containers, tubing set Y-sites, and similar applications.
    Type: Grant
    Filed: October 12, 1993
    Date of Patent: April 4, 1995
    Assignee: Abbott Laboratories
    Inventors: R. Hayes Helgren, Thomas E. Mattice
  • Patent number: 5354035
    Abstract: A system for tilting and lifting a device includes three pulleys and a cable. A portion of the cable is adjustable. Two of the pulleys are connected to a stationary surface and the third pulley is connected to the object. One end of the cable is connected to the object and the other end provides for the application of force.
    Type: Grant
    Filed: July 10, 1992
    Date of Patent: October 11, 1994
    Inventor: R. Hayes Helgren
  • Patent number: 5334180
    Abstract: The present invention relates to a sterile form, filled and sealed flexible solution container and an attached port assembly that allows for the sterile dispensing of the solution.
    Type: Grant
    Filed: April 1, 1993
    Date of Patent: August 2, 1994
    Assignee: Abbott Laboratories
    Inventors: Wayne F. Adolf, R. Hayes Helgren, James T. Renick, Walter T. Szempruch
  • Patent number: 5310469
    Abstract: A sensor for measuring the concentration of an analyte in a solution is disclosed. The sensor may be adapted for use as either an amperometric or a potentiometric sensor. It includes a membrane having a biologically active protein immobilized within. The membrane is attached and reliably sealed to a housing by means of ultrasonic welding, either directly or indirectly. Further, the membrane may be compressed to a fraction of its original dimensions. Metallic parts of the device may, optionally, be physically isolated from the sample solution to reduce corrosion. These features operate synergistically so that the claimed device exhibits relatively fast response and recovery times, is reliably leak-proof, and may be constructed in relatively small sizes.
    Type: Grant
    Filed: December 31, 1991
    Date of Patent: May 10, 1994
    Assignee: Abbott Laboratories
    Inventors: David D. Cunningham, Susan B. Brontman, Jill M. Geist, R. Hayes Helgren, Timothy P. Henning, Kenneth S. Johnson, Laura S. Morici, Thomas G. Schapira, Neal T. Sleszynski