Bone cement applicator with hollow cylinder on delivery plunger
US10987147B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 16, 2018 |
| Grant date | Apr 27, 2021 |
| Priority date | — |
| Expiry date | Jan 19, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F2101/20
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
One aspect relates to a device for producing a bone cement paste from a monomer liquid and a cement powder as parent components of the bone cement paste and for delivering the mixed bone cement paste. The device has a cartridge with a cylindrical interior. The interior of the cartridge is closed at a front side apart from a delivery opening for discharging the bone cement paste. In the interior of the cartridge a delivery plunger is arranged which is pushable in the direction of the delivery opening. The cement powder is arranged in the interior of the cartridge between the delivery opening and the delivery plunger. A hollow cylinder is arranged at a front side of the delivery plunger facing the delivery opening. The hollow cylinder is open at its front face facing the delivery opening and extends from the front side of the delivery plunger at least 3 mm into the interior of the cartridge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.