Disposable automated tissue excision and collection device
US8287465B2 · kind B2 · utility
47Cited by
11References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2008 |
| Grant date | Oct 16, 2012 |
| Priority date | — |
| Expiry date | Jun 22, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/00539
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An biopsy apparatus includes a pressure and vacuum generator including a first cylinder and a first piston movably disposed within the cylinder. The cylinder has a pressure generating region and a vacuum generating region. The biopsy apparatus also includes an outer cannula and an inner cannula having a lumen. The inner cannula is movably disposed within the outer cannula, and the vacuum generating region is in one-way fluid communication with the inner cannula lumen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.