Micro perfusion device comprising a collecting container
US7141023B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2002 |
| Grant date | Nov 28, 2006 |
| Priority date | — |
| Expiry date | Aug 26, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/1473
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A micro perfusion device including a casing, a perfusate supply, an inner cannula forming an inner lumen between a front cannula opening which is distal when the device is subcutaneously positioned and a rear cannula opening, the inner lumen being connected or connectable to the perfusate supply via the rear cannula opening, a perfusion cannula projecting from a lower side of the casing and surrounding the inner cannula, an outer lumen between the inner cannula and the perfusion cannula, a collecting container for the perfusate, and a perfusate outlet connecting the outer lumen to the collecting container, wherein the collecting container has a variable volume and a partial vacuum with respect to a pressure prevailing in the perfusate supply may be generated in the collecting container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.