Patents Assigned to Abbey Biosystems Limited
  • Carbon dioxide monitor
    Patent number: 5472668
    Abstract: The monitor which provides a detectable indication of the presence of an elevated proportion of carbon dioxide compared to that in normal ambient air, comprises a substrate coated by an intimate mixture of a transparent plasticised polymer vehicle, and an indicator material which undergoes a colour change on exposure to carbon dioxide. The indicator material comprises a salt of an indicator anion and a lipophilic organic quaternary cation. The device can be used to provide an indication of correct intubation of the trachea of a patient.
    Type: Grant
    Filed: May 29, 1992
    Date of Patent: December 5, 1995
    Assignee: Abbey Biosystems Limited
    Inventors: Andrew Mills, Neil McMurray
  • Non-invasive monitoring of cardiac output
    Patent number: 5105815
    Abstract: A device for positioning/retaining a transducer relative to a body characterized in that it comprises a supporting member for placement on the body, connected thereto one end of a flexible and elongate arm, which has a mount for the transducer at or near the remote end thereof, and means for locking the arm in a fixed position relative to the body is disclosed.Also disclosed are an apparatus for monitoring aortic blood velocity and derived parameters by Doppler ultrasound and, optionally, ECG comprising such a device and that use of such an apparatus.
    Type: Grant
    Filed: July 20, 1990
    Date of Patent: April 21, 1992
    Assignee: Abbey Biosystems Limited
    Inventors: Peter R. Hall, Jack Trehearne, Dawood Parker, Paul Clancy
  • Non-invasive monitoring of cardiac output
    Patent number: 5022410
    Abstract: A device for positioning/retaining a transducer relative to a body characterized in that it comprises a supporting member for placement on the body, connected thereto one end of a flexible and elongate arm, which has a mount for the transducer at or near the remote end thereof, and means for locking the arm in a fixed position relative to the body is disclosed.Also disclosed are an apparatus for monitoring aortic blood velocity and derived parameters by Doppler ultrasound and, optionally, ECG comprising such a device and that use of such an apparatus.
    Type: Grant
    Filed: October 4, 1988
    Date of Patent: June 11, 1991
    Assignee: Abbey Biosystems Limited
    Inventors: Peter R. Hall, Jack Trebearne, Dawood Parker, Paul Clancy