Lancet for blood collection and puncture needle unit
US8372104B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2009 |
| Grant date | Feb 12, 2013 |
| Priority date | — |
| Expiry date | Jan 8, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/15194
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A lancet having a slider with a puncture needle holding mechanism at one end thereof, and having a cam ring with a continuous cam groove, rotatable about a support shaft, and with a cam ring claw and an anti-return claw restricting the rotation. The lancet also having a ring spring applying a force to rotate the cam ring, having a rotatable stopper arm holding and releasing the rotation of the cam ring, and having a rotatable ratchet restricting the direction of rotation of the cam ring. A puncture needle unit including a puncture needle body integrally molded with a protrusion fitted to the lancet, a rotation stop rib, a puncture needle, and a puncture needle cap lightly pressed into the puncture needle body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.