Injection devices that provide reduced outflow of therapeutic agents and methods of delivering therapeutic agents
US7070582B2 · kind B2 · utility
56Cited by
22References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2002 |
| Grant date | Jul 4, 2006 |
| Priority date | — |
| Expiry date | Jun 19, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/1582
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Injection devices are provided, which reduce potential outflow of therapeutic agents from an injection site. Devices are provided having at least a first lumen containing one or more therapeutic agents and a second lumen containing a second material for injection into tissue. Other devices are provided having an inner lumen with an injection needle to inject a therapeutic agent and an outer lumen that provides a vacuum seal between the injection needle and the needle track. Further provided are methods of delivering a therapeutic agent to tissue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.