Patent · US Active

Micro needles and method of manufacture thereof

US7901387B2 · kind B2 · utility

29Cited by

12References

15Claims

0Family size

Assignee

Bonsens AB · SE

Inventors

Göran Stemme · Stockholm, SE
Patrick Griss · Moutier, CH

Key dates

Filing date	Jul 19, 2007
Grant date	Mar 8, 2011
Priority date	—
Expiry date	Oct 29, 2027

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2037/0053
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A hollow out-of-wafer-plane micro-needle protruding from a support member, the micro-needle includes a body portion having a longitudinal central axis, an inner lumen within the body portion and extending through the support member and into the protruding micro-needle, a closed pointed tip portion closing off the inner lumen in the tip region, the central axis extending through the tip portion, and at least one side opening in the body portion having an axis that intersects the central axis, the at least one side opening communicating with the inner lumen.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.