Tool assembly for harvesting and implanting follicular units
US7621933B2 · kind B2 · utility
57Cited by
69References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 2006 |
| Grant date | Nov 24, 2009 |
| Priority date | — |
| Expiry date | Dec 21, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/065
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A multi-part tool assembly for harvesting and implanting follicular units, comprising an outer cannula having an open, tissue-piercing distal end, and an inner cannula coaxially positioned in a lumen of the first cannula, the second cannula having an open, tissue-coring distal end sized to engage and retain single hair follicular units. An obturator may be positioned in the lumen of the second cannula, wherein at least one of the first cannula, second cannula, and obturator are movable relative to the other ones.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.