Patents by Inventor Malcolm Coulthard

Malcolm Coulthard 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).

  • Apparatus for performing haemodialysis
    Patent number: 10682454
    Abstract: An apparatus for performing haemodialysis on a patient comprises: first blood transfer means (3) for selectively withdrawing blood from a patient and storing it in a first storage portion (5); second blood transfer means (11) for removing filtered blood from a filtration device (7) and storing it in a second storage portion (13); and a fluid measurement system (51a, 51b) for periodically measuring the respective volumes of blood in the first and second storage portions; adding the volume of blood in the first storage portion to the volume of blood in the second storage portion at that time in order to calculate the total volume of blood within the first and second storage portions at that time; and comparing the total measured volumes of blood within the first and second storage portions measured over a predetermined time interval to calculate the volume of fluid removed from the blood during that predetermined time interval.
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: June 16, 2020
    Assignee: The Newcastle Upon Tyne Hospitals NHS Foundation Trust
    Inventors: Malcolm Coulthard, Michael Whitaker, Clive Griffiths, Michael Drinnan
  • APPARATUS FOR PERFORMING HAEMODIALYSIS
    Publication number: 20140110319
    Abstract: An apparatus for performing haemodialysis on a patient comprises: first blood transfer means (3) for selectively withdrawing blood from a patient and storing it in a first storage portion (5); second blood transfer means (11) for removing filtered blood from a filtration device (7) and storing it in a second storage portion (13); and a fluid measurement system (51a, 51b) for periodically measuring the respective volumes of blood in the first and second storage portions; adding the volume of blood in the first storage portion to the volume of blood in the second storage portion at that time in order to calculate the total volume of blood within the first and second storage portions at that time; and comparing the total measured volumes of blood within the first and second storage portions measured over a predetermined time interval to calculate the volume of fluid removed from the blood during that predetermined time interval.
    Type: Application
    Filed: June 14, 2012
    Publication date: April 24, 2014
    Applicant: THE NEWCASTLE UPON TYNE HOSPITALS NHS FOUNDATION TRUST
    Inventors: Malcolm Coulthard, Michael Whitaker, Clive Griffiths, Michael Drinnan