Retractable blood collection devices and methods
US10463291B2 · kind B2 · utility
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20Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 18, 2016 |
| Grant date | Nov 5, 2019 |
| Priority date | — |
| Expiry date | Oct 23, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/153
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Blood collection devices having a retractable needle are provided. Activation of the retraction mechanism causes release of propellant from a propellant chamber, which drives a retraction assembly carrying the needle into a body of the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.