Patents by Inventor Lawrence B. Jansen

Lawrence B. Jansen 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: 7529574
    Abstract: A method of creating an analyte sensor. The method starts with the step of providing an electrochemically active surface. Then, at least one nub made of dielectric material and extending transversely outwardly from the electrochemically active surface is created. A curable liquid is applied to the electrochemically active surface and the nub and is then cured. In this process, the nub, which could be one of several nubs, serves to support the liquid before and during the curing.
    Type: Grant
    Filed: August 14, 2003
    Date of Patent: May 5, 2009
    Assignee: iSense Corporation
    Inventors: Lawrence B. Jansen, W. Kenneth Ward, Ellen Anderson
  • Patent number: 7228162
    Abstract: A method of measuring an analyte concentration in body fluid in an animal body having skin and subcutaneous soft tissue that includes body fluid. The method comprises, introducing a portion of an analyte-measuring device into the subcutaneous soft tissue. The analyte-measuring device includes an analyte sensing element, having a sharpened distal end to facilitate introduction into the animal body. Additionally the sensing element has an indicating electrode that is adapted to be activated by electric power and to form a raw analyte measurement, when it is activated and in contact with the body fluid, in less than two minutes. The sensing device further has a reference electrode and an electric power and display device that is adapted to mate to the analyte-sensing element. The power and display device activates the analyte-sensing element by applying electric power to it.
    Type: Grant
    Filed: January 13, 2003
    Date of Patent: June 5, 2007
    Assignee: iSense Corporation
    Inventors: W. Kenneth Ward, Richard G. Sass, Mark Nynest, Ellen Anderson, Lawrence B. Jansen
  • Publication number: 20040138544
    Abstract: A rapid response, single use analyte sensor, adapted to measure an analyte concentration in body fluid. The sensor includes a lancet and a body fluid trapping structure, adapted to trap body fluid on the skin. An electrochemical analyte measurement system measures the analyte concentration in the body fluid that is trapped on the surface of the skin, by the body fluid trapping structure. In one preferred embodiment, the body fluid trapping structure defines an interior volume of only 30 nanoliters of body fluid.
    Type: Application
    Filed: February 27, 2003
    Publication date: July 15, 2004
    Inventors: W. Kenneth Ward, Richard G. Sass, Mark Neinast, Ellen Anderson, Lawrence B. Jansen
  • Publication number: 20040138541
    Abstract: A method of measuring an analyte concentration in body fluid in an animal body having skin and subcutaneous soft tissue that includes body fluid. The method comprises, introducing a portion of an analyte-measuring device into the subcutaneous soft tissue. The analyte-measuring device includes an analyte sensing element, having a sharpened distal end to facilitate introduction into the animal body. Additionally the sensing element has an indicating electrode that is adapted to be activated by electric power and to form a raw analyte measurement, when it is activated and in contact with the body fluid, in less than two minutes. The sensing device further has a reference electrode and an electric power and display device that is adapted to mate to the analyte-sensing element. The power and display device activates the analyte-sensing element by applying electric power to it.
    Type: Application
    Filed: January 13, 2003
    Publication date: July 15, 2004
    Inventors: W. Kenneth Ward, Richard G. Sass, Mark Neinast, Ellen Anderson, Lawrence B. Jansen
  • Patent number: 6695860
    Abstract: An insertion device that includes an insertable portion adapted to be inserted into and retained in an animal body and an ex vivo portion that is adapted to be worn while the insertable portion remains inserted. The device further includes a trocar that is adapted to insert the insertable portion into the animal body. In addition, a cavity in the ex vivo portion is adapted to accept and retain the trocar after the insertable portion is inserted and a force application device is adapted to withdraw the trocar from the animal body and place it in the cavity.
    Type: Grant
    Filed: November 13, 2000
    Date of Patent: February 24, 2004
    Assignee: iSense Corp.
    Inventors: W. Kenneth Ward, Lawrence B. Jansen
  • Patent number: 6613379
    Abstract: An insertable analyte needle sensor, comprising a set of fine wires positioned together and a dielectric material covering a substantial portion of the fine wires but defining an opening filled with at least one partially permeable membrane. The wires may be treated with a gas plasma to facilitate membrane adherence. One membrane layer may comprise sulphonated polyethersulphone coated with silane.
    Type: Grant
    Filed: May 8, 2001
    Date of Patent: September 2, 2003
    Assignee: iSense Corp.
    Inventors: W. Kenneth Ward, Lawrence B. Jansen, Ellen M. Anderson
  • Publication number: 20020169369
    Abstract: An insertable analyte needle sensor, comprising a set of fine wires positioned together and a dielectric material covering a substantial portion of the fine wires but defining an opening filled with at least one partially permeable membrane. The wires may be treated with a gas plasma to facilitate membrane adherence. One membrane layer may comprise sulphonated polyethersulphone coated with silane.
    Type: Application
    Filed: May 8, 2001
    Publication date: November 14, 2002
    Inventors: W. Kenneth Ward, Lawrence B. Jansen, Ellen M. Anderson