Cranio-maxillofacial bone defect repair

Details Cranio-maxillofacial bone defect repair Cranio-maxillofacial bone defect repair

A - Human Necessities

61

B

A61B 17/60 (2006.01) A61B 17/03 (2006.01) A61B 17/80 (2006.01) A61F 2/28 (2006.01) A61L 27/12 (2006.01) A61B 17/86 (2006.01) A61B 19/02 (2006.01) A61F 2/00 (2006.01) A61F 2/02 (2006.01) A61F 2/30 (2006.01) A61F 2/46 (2006.01)

Patent

CA 2181139

An apparatus for the repair of cranio- maxillofacial bony defects is described com- prising a bio-compatible scaffolding (12) with an insert segment (13) positioned at the prox- imal surface of the bone defect and stabilized with support means (15), coupled with bone re- placement material (21a) applied distal to the scaffolding insert segment (13) and generally filling the defect. Most preferably, the bone replacement material (21a) is a low tempera- ture hardening, gradually resorbable hydroxya- patite forming cement. Also taught are surgical methods for the repair of cranio-maxillofacial bony defects employing the scaffolding and the bone replacement material; and kits including the scaffolding and material are included.

Appareil utilisé pour réparer des défauts des os crânio-maxillo-faciaux comprenant une greffe biocompatible servant de support (12) qui comporte un segment (13) d'insert positionné à la surface proximale du défaut osseux et stabilisé par un moyen de support (15) couplé à la matière de remplacement osseux (21a) appliquée distalement par rapport au segment (13) d'insert de la greffe servant de support et comblant globalement le défaut. De préférence, la matière de remplacement osseux (21a) est un ciment formant de l'hydroxyapatite qui se résorbe graduellement et durcit à basse température. Cette invention concerne également des procédés chirurgicaux de réparation des défauts des os crânio-maxillo-faciaux dans lesquels on utilise la greffe servant de support et la matière de remplacement osseux; ainsi que des nécessaires comprenant la greffe servant de support et la matière de remplacement osseux.

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