Ultrasound-enhanced sampling of materials through the skin
US5636632A · kind A · utility
102Cited by
19References
19Claims
0Family size
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Key dates
| Filing date | Mar 9, 1994 |
| Grant date | Jun 10, 1997 |
| Priority date | — |
| Expiry date | Mar 9, 2014 |
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 ultra sound 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.