| CPC A61B 17/025 (2013.01) [A61B 2017/0268 (2013.01); A61B 2560/0443 (2013.01)] | 8 Claims |
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1. A modular distractor system comprising:
a base plate comprising a track disposed on an upper portion thereof;
a carriage assembly adapted to couple to said track of said base plate, said carriage assembly having a track plate having an opening and a track clamp portion, a body with an upper portion, a lower portion and a side portion having a track plate connection and an opposing side portion having a track clamp portion, said upper portion having one or more openings formed in said body, and a fastener assembly having a threaded post and knob, each of said one or more openings configured with a taper, each of said one or more openings disposed in an orthogonal orientation and/or disposed with an offset angle β relative to an orthogonal axis of said upper portion of said base plate;
an adapter including a body having a first end, a second tapered end, a middle portion, and an opening extending from said first end through to at least a portion of said body, said adapter configured to operably couple said second tapered end in a desired said one or more openings of said carriage assembly;
a distractor housing comprising a distractor assembly comprising:
a lower opening configured to receive said adapter at said first end;
an extension bracket including an extension opening and being coupled to an extension spring, said extension bracket and spring being located at least partially within a first body cavity portion of said distractor housing; a release bracket including hold, curved and contact release portions, said hold portion having a release opening, said release bracket being coupled to a compression spring, said release bracket and compression spring being located at least partially within a second body cavity portion of said distractor housing; and
a lever including contact, pivot, and driver portions, said lever being operably connected to said distractor housing at said pivot portion;
a driver assembly comprising a driver rod and a driver support, said driver rod configured to be received within said distractor housing along a length of said driver rod, said driver rod further configured to pass through said compression and extension springs and said extension and release openings, such that when said lever is moved along said contact portion, said lever pushes against said extension bracket to drive said support driver in a linear direction away from said distractor housing from a first position to a second position, and alternatively when said release bracket is depressed at said contact release portion, said driver support returns to said first position; and
a patient positioner pad comprising a positioner body and a pad coupled thereto, the positioner body being configured to couple to said driver portion along at least a portion of said driver support so that when said driver support is moved, said patient positioner pad also moves.
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