CA2263933C - Barriere a membrane flexible non repliable, resorbable et macroporeuse pour la reparation et le regeneration du squelette - Google Patents
Barriere a membrane flexible non repliable, resorbable et macroporeuse pour la reparation et le regeneration du squelette Download PDFInfo
- Publication number
- CA2263933C CA2263933C CA002263933A CA2263933A CA2263933C CA 2263933 C CA2263933 C CA 2263933C CA 002263933 A CA002263933 A CA 002263933A CA 2263933 A CA2263933 A CA 2263933A CA 2263933 C CA2263933 C CA 2263933C
- Authority
- CA
- Canada
- Prior art keywords
- protective
- apertures
- membrane
- recited
- resorbable polymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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Landscapes
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
Abstract
Cette invention se rapporte à un implant flexible résorbable se présentant sous la forme d'une feuille macroporeuse continue (42). Cet implant (42) est conçu pour protéger les défauts du tissu biologique, en particulier les défauts osseux (49) dans le squelette des mammifères, contre l'interposition de tissus mous adjacents (57) pendant le processus de réparation in vivo. Cette membrane (42) comporte des pores (46) ayant des diamètres compris entre 20 microns et 3 000 microns. Cette porosité est telle que les tissus vasculaires (61) et les cellules du tissu conjonctif dérivées des tissus mous adjacents, notamment du périoste (64), peuvent proliférer de manière à traverser la membrane (42) pour pénétrer dans le défaut osseux (49). L'épaisseur de cette feuille (42) est telle qu'elle offre à la fois une flexibilité suffisante pour permettre à la feuille (42) d'être façonnée pour qu'elle se conforme à la configuration d'une région (55) du squelette à réparer et une résistance à la rupture par traction suffisante pour permettre à la feuille (42) d'être façonnée sans subir de dommage. Cette feuille (42) possède une résistance mécanique inhérente suffisante pour résister à la pression provenant de la musculature adjacente et elle ne se replie pas.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/699,673 US5919234A (en) | 1996-08-19 | 1996-08-19 | Resorbable, macro-porous, non-collapsing and flexible membrane barrier for skeletal repair and regeneration |
| US08/699,673 | 1996-08-19 | ||
| PCT/US1997/013695 WO1998007384A1 (fr) | 1996-08-19 | 1997-08-05 | Barriere a membrane flexible non repliable, resorbable et macroporeuse pour la reparation et le regeneration du squelette |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2263933A1 CA2263933A1 (fr) | 1998-02-26 |
| CA2263933C true CA2263933C (fr) | 2004-11-23 |
Family
ID=29584842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002263933A Expired - Fee Related CA2263933C (fr) | 1996-08-19 | 1997-08-05 | Barriere a membrane flexible non repliable, resorbable et macroporeuse pour la reparation et le regeneration du squelette |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | ATE330560T1 (fr) |
| CA (1) | CA2263933C (fr) |
| DE (1) | DE69736182T2 (fr) |
-
1997
- 1997-08-05 AT AT97936390T patent/ATE330560T1/de not_active IP Right Cessation
- 1997-08-05 CA CA002263933A patent/CA2263933C/fr not_active Expired - Fee Related
- 1997-08-05 DE DE69736182T patent/DE69736182T2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2263933A1 (fr) | 1998-02-26 |
| DE69736182T2 (de) | 2007-05-03 |
| DE69736182D1 (de) | 2006-08-03 |
| ATE330560T1 (de) | 2006-07-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |