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US 7,879,010 B2Granted
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.
Claims23
An insertion device, comprising:
- a cannula;
- a protective element for accommodating the cannula in a retracted position;
- an energy storing element for expelling the cannula out of said protective element;
- and
- a base body removably connected to the protective element;
- wherein in the retracted position the cannula is positioned spaced apart from the base body;
- and
- wherein when the energy storing element is released, the cannula is expelled from the protective element through an opening in the base body and is secured to the base body and wherein the cannula and base body, together, can then be disconnected from the protective element.
5 more elements
An insertion device comprising:
- a cannula;
- a protective element for accommodating the cannula in a retracted position;
- a cannula expelling device;
- an energy storing expelling element for expelling said cannula from the protective element;
- an energy storing restoring element coupled to the cannula expelling device, in order to retract said cannula expelling device again once the cannula has been expelled;
- and
- a base body removably connected to the protective element, wherein when the energy storing expelling element is released, the cannula is expelled from the protective element through an opening in the base body and is secured to the base body and wherein the cannula and base body, together, can then be disconnected from the protective element.
4 more elements
An insertion device, comprising:
- a cannula;
- a protective element for accommodating the cannula in a retracted position;
- an energy storing element for expelling the cannula out of said protective element;
- a base body removably connected to the protective element;
- and
- a needle surrounded by the cannula
- wherein in the retracted position the cannula is positioned spaced apart from the base body;
- and
- wherein the cannula is expelled from the protective element through an opening in the base body.
6 more elements
Dependencies are inferred from the claim text.