Ultrasound-enhanced delivery of materials into and through the skin
US5323769A · kind A · utility
112Cited by
12References
21Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Aug 2, 1993 |
| Grant date | Jun 28, 1994 |
| Priority date | — |
| Expiry date | Aug 2, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/30
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method for enhancing the permeability of the skin or other biological membrane to a material such as a drug is disclosed. In the method, the drug is delivered in conjunction with ultrasound having a frequency of above about 10 MHz. The method may also be used in conjunction with chemical permeation enhancers and/or with iontophoresis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.