Ultrasound-enhanced delivery of materials into and through the skin
US5231975A · kind A · utility
89Cited by
9References
20Claims
0Family size
Assignees
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Key dates
| Filing date | Mar 2, 1992 |
| Grant date | Aug 3, 1993 |
| Priority date | — |
| Expiry date | Mar 2, 2012 |
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.