Infusion set
AssigneeRoche Diagnostics International AG
InventorsMarcel Hunn, Jürg Liniger, Patrik Denoth, Marc Oesch, Markus Bütikofer, Rudolf Zihlmann, Simon Scheurer
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Abstract
A device for inserting a cannula into tissue, including a cannula, a protective element which can accommodate said cannula, an operating element for moving the cannula out of the protective element, and a holder fixedly connected to the cannula. The invention encompasses a system for connecting a liquid supply to the cannula.
Claims34
A device for inserting a cannula into tissue, comprising.
- a) a cannula;
- b) a protective element which can accommodate said cannula;
- c) an operating element, using which the cannula can be moved out of said protective element;
- and
- d) a holder which is fixedly connected to the cannula.
A system for connecting a liquid supply to a cannula, comprising:
- a) a foundation body comprising a cannula and an opening adjacent to said cannula;
- and
- b) a liquid supply comprising a plug having a supplying element which can be inserted into said opening of said foundation body, wherein said plug can be attached to a contact point of the foundation body and tilted about said contact point such that said supplying element of the plug is guided into the opening of the foundation body.
A foundation body comprising a rotationally mounted swivel having an opening which enables a cannula including a needle to be introduced in a first position and enables a supplying element for supplying liquid to be introduced in a second rotated position.
A device for supplying a liquid via a cannula into tissue, comprising a sealing element which serves to seal a liquid space and can be pierced by the cannula when the cannula is to be inserted into said tissue and can be penetrated by a supplying element when a liquid is to be supplied to said liquid space.
A device for inserting a cannula into tissue, comprising:
- a) a cannula;
- b) a cannula expelling device for moving said cannula;
- and
- c) a restoring element which is coupled to the cannula expelling device, in order to retract said cannula expelling device again once the cannula has been expelled.
Dependencies are inferred from the claim text.