A woven retention device for interfacing with a bone surface includes interwoven filaments forming a tubular lattice with protuberances distributed on interior and exterior surfaces of the lattice at a predetermined spatial relationship. The protuberances are formed by intersecting interwoven filame
A woven retention device for interfacing with a bone surface includes interwoven filaments forming a tubular lattice with protuberances distributed on interior and exterior surfaces of the lattice at a predetermined spatial relationship. The protuberances are formed by intersecting interwoven filaments. The retention device receives and surrounds a fastener. In a first, relaxed state, the retention device has multiple combinations of filament cross-section geometries at the intersection points, and the multiple combinations of filament cross-section geometries form multiple protuberance thicknesses. In a second state when surrounding at least a portion of the fastener, the retention device distributes pressure from the fastener to multiple points of contact on the exterior surface of the retention device such that a spatial relationship of the protuberances changes as a function of bone density of the bone surface and as a function of an interfacing surface shape of the fastener.
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1. A method of dynamically micro-loading a fastener into a bone hole using a woven retention device, the method comprising: inserting a woven retention device into a bone hole, the woven retention device having a substantially homogeneous and uniformly, radially distributed pattern of a plurality of
1. A method of dynamically micro-loading a fastener into a bone hole using a woven retention device, the method comprising: inserting a woven retention device into a bone hole, the woven retention device having a substantially homogeneous and uniformly, radially distributed pattern of a plurality of interwoven filaments that result in a first spatial relationship of the filaments, apertures, and protuberances, the protuberances being formed at intersections of the interwoven filaments;applying pressure from an interfacing surface of a fastener to an interior surface of the woven retention device; anddistributing pressure from the interior surface of the woven retention device to an exterior surface of the woven retention device for transmission of pressure to a bone surface of the bone hole,wherein the pressure from the fastener changes the first spatial relationship of the filaments, apertures, and protuberances of the woven retention device into a second spatial relationship of the filaments, apertures, and protuberances according to a function of bone density and according to a function of a shape of the interfacing surface of the fastener, the changes from the first spatial relationship to the second spatial relationship fostering interdigitation between the woven retention device and the bone surface of the bone hole, andwherein the intersections of the interwoven filaments result in at least three different levels of thicknesses of protuberances. 2. The method of claim 1, wherein the interfacing surface of the fastener has at least one protrusion in a radial direction of the fastener. 3. The method of claim 1, wherein the plurality of interwoven filaments comprise a round monofilament and a flat multifilament. 4. The method of claim 1, wherein the bone hole has an irregular bone surface and when the pressure from the fastener is applied, the first spatial relationship of the filaments, apertures, and protuberances of the woven retention device changes to accommodate the irregular bone surface. 5. The method of claim 1, wherein the fastener is inserted into the woven retention device after the woven retention device has been inserted into the bone hole. 6. The method of claim 1, wherein the fastener is inserted into the woven retention device before the woven retention device has been inserted into the bone hole. 7. The method of claim 1, wherein the pressure transmitted to the bone surface is adapted to change a shape of the bone surface of the bone hole. 8. The method of claim 1, further comprising: elongating or constricting the woven retention device for fitting the woven retention device inside the bone hole; andexpanding the woven retention device in the bone hole. 9. The method of claim 1, wherein the fastener is a screw having one of a plurality of levels of coarseness of threads, and wherein the pressure from the screw changes the woven retention device from the first spatial relationship to the second spatial relationship based on differences in the coarseness of the threads. 10. The method of claim 9, wherein a degree of change of the woven retention device from the first spatial relationship to the second spatial relationship is proportional to the coarseness of the threads of the screw, the degree of change being greater as the coarseness of the threads of the screw increases. 11. The method of claim 9, wherein the screw has one of varying levels of pitch resulting in a corresponding valley distance in between the threads, and wherein the pressure from the screw changes the woven retention device from the first spatial relationship to the second spatial relationship based on the valley distance. 12. The method of claim 11, wherein a degree of change of the woven retention device from the first spatial relationship to the second spatial relationship is proportional to the valley distance in between the threads of the screw, the degree of change being greater as the valley distance increases. 13. The method of claim 1, wherein the pressure from the fastener changes the woven retention device from the first spatial relationship to the second spatial relationship based on a length of the interfacing surface of the fastener. 14. The method of claim 13, wherein a degree of change of the woven retention device from the first spatial relationship to the second spatial relationship is proportional to the length of the interfacing surface of the fastener, the degree of change being greater as the length of the interfacing surface of the fastener increases. 15. The method of claim 1, wherein the woven retention device retains the fastener in the second spatial relationship of the woven retention device.
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