Catheters incorporating valves and permeable membranes
US8043281B2 · kind B2 · utility
16Cited by
77References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2004 |
| Grant date | Oct 25, 2011 |
| Priority date | — |
| Expiry date | May 15, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/3561
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Devices, systems and methods for delivering one or more drugs to one or more internal body locations (such as the cerebrospinal fluid) are disclosed. In various aspects, the systems and methods may involve catheters having infusion sections with permeable membranes and one or more valves that control flow to the infusion sections.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.