Orthopaedic paste delivering tool and method for continually delivering the paste
US7325702B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jun 15, 2005 |
| Grant date | Feb 5, 2008 |
| Priority date | — |
| Expiry date | Mar 14, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2002/30601
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention discloses a technique for continually delivering an orthopaedic paste into a bone, which will harden in the bone and act as a medical implant. The present invention uses a replacement mechanism in delivering the paste stored in a chamber through a tube in fluid communication with the chamber, which includes invading the paste in the chamber with a small volume of recovery member such as a rod to replace the same volume of paste into the tube, and retreating the invading rod while applying a pressure to the paste in the chamber, so that a space created by the retreating is replaced by the paste, and repeating the invasion and the retreating alternately to continually delivere the paste through the tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.