Particle delivery
US6004286A · kind A · utility
51Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 18, 1998 |
| Grant date | Dec 21, 1999 |
| Priority date | — |
| Expiry date | Sep 18, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/42
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A needleless syringe, in which particles of a therapeutic agent are entrained in a high pressure gas flow, has a nozzle surrounded by a shroud silencer through which gas reflected from the target surface may be vented to atmosphere while retaining any particles reflected in the gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.