Needle array and method of introducing biological substances into living cells using the needle array
US5457041A · kind A · utility
297Cited by
1References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 1994 |
| Grant date | Oct 10, 1995 |
| Priority date | — |
| Expiry date | Mar 25, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2037/0023
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An array of micro-needles extending from a support substrate and having tip portions shaped and dimensioned to (1) carry a biological substance and (2) pierce the surface of a target tissue and penetrate target cells within the tissue where the biological substance transfers from the tip portions and deposits within the target cells.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.