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WO1999002108A1 Expired / Lapsed WO ⏱️ 0.0 years remaining

Intervertebral disc nucleus prosthesis

Assignee: Individual
•
Filing: 1998-07-10
•
Granted: —
•
Expires: 2018-07-10
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Abstract

Abstract The present invention provides a prosthetic cover (12) shaped to form a replacement nucleus pulposis (56) for an intervertebral disc (50), said cover comprising a permeable layer of an immunologically neutral material terminating in a valve structure (16) to allow the introduction of a hydrogel material (14); characterized in that a transudative material is disposed on the intended inner face of the cover to allow a through flow of low molecular weight materials only.

Inventors

  • 👤 Douglas Wardlaw

Bibliographic Details

Application Number —
Jurisdiction WO
Data Source google_patents
Last Synchronized 2026-10-23 04:10
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/44; A61F2/441; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/88; A61B17/8875; A61B17/8886; A61B17/8891; A61F2/46; A61F2/4603; A61F2/4611; A61F2/3094; A61F2/30965; A61F2/442; A61F2002/30001; A61F2002/30108; A61F2002/3011; A61F2002/30182; A61F2002/30187; A61F2002/30316; A61F2002/30329; A61F2002/30405; A61F2002/30535; A61F2002/30581; A61F2002/30583; A61F2/30767; A61F2002/30929; A61F2002/30971; A61F2002/444; A61F2002/4495; A61F2002/4625; A61F2002/4627; A61F2210/00; A61F2210/0085; A61F2220/00; A61F2220/0025; A61F2230/00; A61F2230/0002; A61F2230/0028; A61F2230/0034; A61F2240/00; A61F2240/001

Claims Analysis

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