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US 2016/0235928 A1Published application
Injection needle and device
AssigneeChrontech Pharma AB
InventorsMatti Sällberg, Lars Frelin
Life of this patent
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Abstract
A needle device for the delivery of therapeutic material into tissue comprising a connection to a pressure generation element, a lumen adapted for the passage of a therapeutic material, and a needle barrel, wherein each needle barrel comprises an opening adapted to control and deliver a pressure transmitted from the pressure generation element into a tissue to cause an increase in the permeability of a cell membrane to the therapeutic material.
Claims14
A hypodermic needle assembly comprising a plurality of needles, wherein each needle comprises:
- a lumen adapted for the passage of a therapeutic material,
- a needle barrel that comprises a plurality of apertures on the length of the needle barrel, wherein said needle barrel has a closed-end,
- wherein at least two needles of the hypodermic needle assembly have different positions of apertures;
- and
- wherein said hypodermic needle assembly further comprises a connector (700) configured to join said plurality of needles to a pressure generation element.
2 more elements
Dependencies are inferred from the claim text.