Patents Assigned to Polystan Holding A/S
  • Device for filtration and collection of blood
    Patent number: 5601714
    Abstract: A disposable device for filtration and collection of blood during a surgical operation, which device comprises a housing with a cup-shaped portion, in which a wall section is forming a ledge in the reservoir inside the housing. A first self-supporting filtration element for venuous blood is upstanding from the ledge, and a second filtration element for cardiotomy blood is suspended from the cover, the two elements being arranged side by side in a parallel relationship. The filter elements have an elongate, oval cross-section.
    Type: Grant
    Filed: June 30, 1994
    Date of Patent: February 11, 1997
    Assignee: Polystan Holding A/S
    Inventor: Sverre M. Haveland