Threaded syringe for delivery of a bone substitute material
US6793660B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 20, 2001 |
| Grant date | Sep 21, 2004 |
| Priority date | — |
| Expiry date | Aug 20, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00353
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to a syringe for delivery of a bone substitute material. The syringe includes a barrel for holding the material, a plunger receivable within the barrel and having a threaded portion, and an engagement member including a threaded throughbore positioned coaxial with the barrel. The threaded portion of the plunger is movable through the threaded throughbore barrel by pushing the plunger in the axial direction, and by rotating the plunger. The invention also relates to a method of expelling material from a syringe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.