Vacuum assisted biopsy needle set
US7390306B2 · kind B2 · utility
69Cited by
81References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 14, 2004 |
| Grant date | Jun 24, 2008 |
| Priority date | — |
| Expiry date | May 16, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B10/0283
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A needle set for a biopsy device is disclosed. The needle set includes an outer member, a cylinder lumen within said outer member, an inner member having a cannula and an inner lumen. The inner member is slidably disposed within the cylinder lumen. The biopsy device also includes a cylinder seal member that is disposed within the cylinder lumen and a cannula seal member attached to the outer surface of the cannula. The cylinder seal member and the cannula seal member define a vacuum chamber therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.