The present invention relates to orthopedic implants made from a mesh material. The mesh material can be treated in order to promote bone growth, to provide antibiotics, or to provide other beneficial treatment. Specific applications for the implants include, for example, a prosthetic ligament, a tension band, an interbody device, or a fixation device that extends across one or more joints or fractures.

Woven orthopedic implants

Porous bioabsorbable, bioactive and load-bearing composite medical device structure includes a plurality of regular textile planar layers (1a, lb...) formed of continuous bioabsorbable polymer matrix and bioceramic fibers acting as reinforcements, both included in continuous fibrous elements (3) forming the textile layers. The layers are placed on top of each other to form a structure having two dimensions (x, y) at right angles to each other according to the two dimensions of the textile layer and a third dimension (z) perpendicular to them and resulting from the piling of the layers. A plurality of passages extend through the layers as a result of the openings (2) defined by portions of the continuous fibrous elements (3) extending substantially in the direction of the plane. The continuous fibrous elements (3) comprise both bioactive ceramic reinforcing fibers which form a reinforcing structure and a bioabsorbable polymer matrix material which forms a matrix which binds the layers together and also binds the portions of continuous fibers defining the openings together, thereby forming the passages and stiffening the structure. This bioactive and bioabsorbable composite structure is suitable to be used as a basic structure in medical devices, especially in osteochondral applications where the load-bearing properties of implant are required.

Porous medical device and method for its manufacture

Composite materials formed from biocompatible polymer fibers and biodegradable polymers are disclosed. The heat treatment conditions for the reinforcing fibers are described so that the mechanical properties of the fibers can be retained during composite consolidation process. The processing conditions and set-ups to consolidations are constrained to the temperatures lower than fiber heat treatment temperatures. The reinforcing fibers are restrained under tension so that the minimum relaxation occurs during consolidation process.

Fabrication of biocompatible polymeric composites

A spine stabilization system includes a flexible member attachable to a portion of the spinal column. The member includes components that are oriented and function similar to the natural fiber orientation of the anterior longitudinal ligament and annulus tissue. The use of components resist loading applied by extension and rotation of the spine, while the flexibility of the member does not subject it to the compressive loading of the spinal column segment to which it is attached.

Flexible spine stabilization systems

Systems for spinal stabilization and fixation replace, reconstruct or augment the spinal ligamentous and/or bony tissues resected during surgical procedures. The spinal stabilization system includes at least an implant configured to span the intervertebral disc space with at least one of its ends attached to a respective vertebral body by at least one anchor. The system has a low profile conformable to the spinal anatomy.

Flexible systems for spinal stabilization and fixation

Composite materials formed from bone bioactive glass or ceramic fibers and structural fibers are disclosed In preferred embodiments, a braid or mesh of interwoven bone bioactive glass or ceramic fibers and structural fibers is impregnated with a polymeric material to provide a composite of suitable biocompatibility and structural integrity Most preferably, the mesh or braid is designed so that the bioactive fibers are concentrated at the surface of the implant to create a surface comprised of at least 30 % bioactive material, thereby providing enhanced bone ingrowth The interweaving between the bone bioactive glass or ceramic fibers and the core of structural fibers overcomes the problems found in prior composite systems where the bioactive material delaminates from the polymer Preferred bioactive materials include calcium phosphate ceramics and preferred structural fibers include carbon fibers Further preferred bioactive materials include aluminum oxide at greater than 02 %, by mole Improved prosthetic implants and methods of affixing an implant are thus also disclosed

Composite materials using bone bioactive glass and ceramic fibers

Composite material that bone bioactive glass and ceramic fibers used

Materiaux composites formes a partir de fibres de verre ou de ceramique a bioactivite osseuse et de fibres structurelles. Dans des modes de realisation preferes, une tresse ou un tamis de fibres de verre ou de ceramique a bioactivite osseuse et de fibres structurelles est impregne d'un materiau polymere de maniere a obtenir un composite presentant une biocompatibilite satisfaisante et une integrite structurale. De preference, la tresse ou le tamis est concu de facon a ce que les fibres bioactives soient concentrees a la surface de l'implant (200) pour creer une surface composee d'au moins 30 % de materiau bioactif, ce qui permet d'obtenir une interposition osseuse amelioree. L'enchevetrement entre les fibres de verre ou de ceramique a bioactivite osseuse et le noyau de fibres structurales resout les problemes rencontres dans les systemes composites precedents dans lesquels la couche de materiau bioactif se separe du polymere. Les materiaux bioactifs preferes comprennent les ceramiques au phosphate de calcium et les fibres structurales preferees comprennent les fibres de carbone. Des implants prothetiques ameliores (200) et des procedes de fixation desdits implants (200) sont egalement decrits.

Materiaux composites a base de fibres de verre et de ceramique a bioactivite osseuse

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Composite materials using bone bioactive glass and ceramic fibers

Composite material that bone bioactive glass and ceramic fibers used

Materiaux composites a base de fibres de verre et de ceramique a bioactivite osseuse