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Sealing Between a Cannula Part and a Fluid Path

  • US 20110034883A1
  • Filed: 02/12/2009
  • Published: 02/10/2011
  • Est. Priority Date: 02/13/2008
  • Status: Active Grant
First Claim
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1. An infusion part comprising:

  • a fluid path, the fluid path comprising at least one inlet and one outlet opening through which a fluid can enter and exit the fluid path;

    a cannula part, the cannula part comprising a body formed by a hard material and having an inner through going opening in fluid contact with a cannula, the cannula has an inner opening which provides fluid contact with the patient, the body of the cannula part has an opening corresponding to the inlet or outlet opening of the fluid path resulting in fluid contact between the fluid path and the cannula part when the cannula part opening and the inlet or outlet opening are positioned opposite each other, allow unrestricted flow, anda sealing positioned between the cannula part and the inlet or outlet opening of the fluid path when the cannula part is in position for use to keep the fluid path to the cannula tight, the sealing surrounds the inlet or outlet opening or a distance d1 between a centre line c of the cannula part and a point on an outer surface of the cannula part positioned at or above an upper edge of the sealing is larger than a distance d2 between the centre line c of the cannula part and a point on the outer surface of the cannula part positioned at or below a lower edge of the sealing.

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