Dental capsule for placement of high viscosity dental composite material with reduce extrusion force
US6877983B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2002 |
| Grant date | Apr 12, 2005 |
| Priority date | — |
| Expiry date | Jun 19, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C5/66
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dental capsule for extruding high viscosity dental material providing reduced extrusion force. The dental capsule comprises a body portion, a transition portion and a discharge portion. The transition portion has an axis having an angular relationship with the axis of the body portion and the axis of the discharge portion. This relationship and transitional portion reduces the extrusion force required in extruding high viscosity dental material. In another embodiment of the present invention, a flexible piston having a conical front end is utilized to more fully extrude the dental material from the dental capsule. The dental capsule may have flexible walls with the flexible piston and walls cooperating to extrude substantially all of the dental material. The present invention, when used with high viscosity dental materials, results in less extrusion force required and does not damage the dental material during extrusion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.