Methods and instrumentation for vertebral interbody fusion
US6743234B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2001 |
| Grant date | Jun 1, 2004 |
| Priority date | — |
| Expiry date | Feb 18, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0063
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Methods and instrumentation particularly adapted for disc space preparation for insertion of implants from an anterior approach to the spine are provided. The instruments include a guide sleeve defining a channel having overlapping cylindrical working channel portions and lateral non-distracting extensions extending from reduced thickness wall portions. The guide sleeve has an overall reduced width configuration. A pair of distractors are provided. A first distractor includes a shaft and distal tip, and the second distractor includes a shaft and distal tip. The first and second distractors can be used with the guide sleeve. Methods using the disclosed instruments are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.