QUICK-RELEASE SYSTEMS FOR EXTRASKELETAL FIXATION

摘要

External fixation assemblies offer good benefits in relevant orthopedic procedures but would be used more efficiently if the quick-release fasteners could be used so no tools would be required. This invention covers various embodiments of quarter-turn, quick-release fasteners, various shapes and surfaces of connecting rods and bone pins or other clamped objects to facilitate use of external fixation assemblies. Included are quick-release fasteners constructed from programmable magnets. Connecting rods can have fastening positions in the form of threaded or non-threaded holes. Both holes and connecting rods and bone pins can be of different shapes, for example, round, square, oval, pentagonal, hexagonal, octagonal, or any arbitrary shape. In both adding holes and non-circular shapes, rotation is eliminated allowing better fixation, and, in the case of holes or dimpled or out-dented surfaces, longitudinal motion along the rod or pin as well.

主权项

1. A fastening system for fixing clamps or connection blocks to connect two or more clamped objects selected from the group consisting of connecting rod and bone pin to create an assembly for extraskeletal fixation comprising
One or more quick-release fasteners constructed from pairs of programmable magnets that are configured with twist-release behavior where one half of the programmable magnet pair is rotatably fixed and its companion half rotated by a shaft/ and knob for rotating where the pair of programmable magnets have a strong attractive force when the regions of opposite polarity are facing each other but repel and thus release when the magnet is rotated and regions of opposite polarity are facing each other, and tools, although could be used, are not requiredto lock both that shaft in place and said clamped object into place when the fastener handle is rotated.