Device and method for collecting a blood sample
US9549701B2 · kind B2 · utility
47Cited by
27References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 18, 2011 |
| Grant date | Jan 24, 2017 |
| Priority date | — |
| Expiry date | Jun 26, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/153
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A vent plug is disclosed that includes a body having a distal end, a proximal end, and a lumen extending through the distal and proximal ends. A membrane is disposed across the lumen, the membrane being hydrophobic and air permeable. A fluid chamber is formed within the lumen distal the membrane. A distal lumen opening being shaped and sized to retain blood within the lumen until the internal pressure of the lumen increases in response the a finger pressing against a proximal lumen opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.