Flashback chamber visual enhancement
US7833201B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2007 |
| Grant date | Nov 16, 2010 |
| Priority date | — |
| Expiry date | Dec 11, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M25/0606
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Featured is a medical infusion device for vascular access with enhanced flashback visualization that includes a hub assembly having a flashback chamber. The hub assembly includes a proximal portion, a distal portion and a substantially transparent window section intermediate the proximal portion and distal portion. A needle is coupled to the flashback chamber so that fluid flows through the lumen of the needle into the flashback chamber after the needle is inserted into a blood vessel. A contrasting member is disposed on at least a portion of the hub assembly, so that when blood enters the flashback chamber, the contrasting member provides a high-contrast background when viewed through the window section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.