EP0204931A1
Expired / Lapsed
EP
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Resorbable surgical composite material and method of producing it
Assignee: Biocon Oy
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Filing: 1986-04-21
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Granted: —
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Expires: 2006-04-21
Abstract
Abstract Surgical osteosynthesis composite material, which is self-reinforced i.e. it is formed about the absorbable polymer or copolymer matrix which is reinforced with the absorbable reinforcement units which have the same chemical element percentage composition as the matrix has.
Inventors
- 👤 Pertti Törmälä
- 👤 Pentti Rokkanen
- 👤 Juha Laiho
- 👤 Markku Tamminmäki
- 👤 Seppo Vainionpää
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 03:48
CPC Classifications
A; A61; A61L; A61L31/00; A61L31/14; A61L31/148; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/3094; A61F2/30965; A61L31/12; A61L31/125; A61L31/129; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/68; A61B17/72; A61B17/80; A61B17/84; A61B17/86; A61B2017/00004; A61F2002/30001; A61F2002/30003; A61F2002/3006; A61F2002/30062; A61F2002/30108; A61F2002/30199; A61F2002/30224; A61F2210/00; A61F2210/0004; A61F2230/00; A61F2230/0063; A61F2230/0069
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
54 words
Surgical, osteosynthesis composite material which is at least partially absorbable in tissue conditions, characterized in that the osteosynthesis material is self-reinforced i.e. it is formed about the absorbable polymer or copolymer matrix which is reinforced with the absorbable polymeric reinforcement units which have essentially the same chemical element percentage composition as the matrix has.
Claim 2
Dependent Claim
54 words
Surgical, osteosynthesis composite material which is at least partially absorbable in tissue conditions, characterized in that the osteosynthesis material is self-reinforced i.e. it is formed about the absorbable polymer or copolymer matrix which is reinforced with the absorbable polymeric reinforcement units which have essentially the same chemical element percentage composition as the matrix has.
Claim 3
Dependent Claim
28 words
Osteosynthesis material as claimed in Claim 1, characterized in that the reinforcement units are in the form of fibers, threads, twists, cords, films, ribbons, woven fabrics or corresponding.
Claim 4
Dependent Claim
26 words
Osteosynthesis material as claimed in Claims 1 and 2, characterized in that the absorbable matrix and reinforcement units are manufactured of polyglycolide or of its copolymer.
Claim 5
Dependent Claim
26 words
Osteosynthesis material as claimed in Claims 1 and 2, characterized in that the absorbable matrix and reinforcement units are manufactured of polylactide or of its copolymer.
Claim 6
Dependent Claim
24 words
Osteosynthesis material as claimed in Claims 1 and 2, characterized in that the absorbable matrix and reinforcement units are manufactured of glycolide/lactide copolymer. i
Claim 7
Dependent Claim
23 words
Osteosynthesis material as claimed in Claims 1 and 2, characterized in that the absorbable matrix and reinforcement units are manufactured of poly-B-hydroxybutyric acid.
Claim 8
Dependent Claim
22 words
Osteosynthesis material as claimed in Claims 1 and 2, characterized in that the absorbable matrix and reinforcement units are manufactured of polydioxanone.
Claim 9
Dependent Claim
22 words
Osteosynthesis material as claimed in Claims 1 and 2, characterized in that the absorbable matrix and reinforcement units are manufactured of polyvinylalcohole.
Claim 10
Dependent Claim
22 words
osteosynthesis material as claimed in Claims 1 and 2, characterized 'in that the absorbable matrix and reinforcement units are manufactured of polyesteramide.
Claim 11
Dependent Claim
46 words
Osteosynthesis material as claimed in any of Claims'1-9, characterized in that the material forms in the shape of a three-dimensional solid, an osteosynthesis implant, such as plate, pin, nail, medullary rod, screw, balk or like, or the material forms at least part of an osteosynthesis implant.
Claim 12
Dependent Claim
63 words
Method for manufacturing material for osteosynthesis devices in accordance with Claims 1-10, characterized in that the part of the material which will form the matrix is subjected to heat and/or pressure in such a way that the physical condition of the part of material which will act as matrix phase allows the development of adhesion between the nearby reinforcement units and the matrix.
Claim 13
Dependent Claim
39 words
A method for manufacturing material as claimed in claim 11, characterized in that the melt of absorbable polymer or copolymer and the absorbable reinforcement units are mixed together, the mixture is formed into the desired shape and cooled down.
Claim 14
Dependent Claim
60 words
A method for manufacturing material as claimed in Claim 11, characterized in that the absorbable fiber, thread, twist, cord, film, ribbon, woven fabric or corresponding material is heated in such a way that the material is softened or melted and coalesced at least partially and the material is formed into the desired shape by means of pressure and cooled down.
References Cited (Backward Citations)
No citation records indexed.
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