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US 2019/0160258 A1Published application
Cannula unit
AssigneeRoche Diabetes Care, Inc.
InventorThomas Kristen
Life of this patent
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Abstract
A cannula unit comprises a housing and a flexible cannula. The flexible cannula is provided with an end area that deviates from the shape of the rest of the flexible cannula. Said end area of the flexible cannula has, e.g., a funnel-like shape or the shape of a flange. The end area of the flexible cannula is positively locked to the housing by clamping.
Claims23
A method for manufacturing a cannula unit, comprising:
- providing a flexible cannula with an end area whose shape deviates from the shape of the remainder of the cannula;
- providing a housing;
- and
- connecting the end area of the flexible cannula to the housing;
- wherein the end area of the flexible cannula is positively locked to the housing by clamping.
2 more elements
A cannula unit, comprising:
- a housing;
- and
- a cannula having an end area whose shape deviates from the shape of the remainder of the cannula;
- wherein the end area of the flexible cannula is positively locked to the housing by clamping.
1 more element
Dependencies are inferred from the claim text.