Circular fixator system and method
AssigneeWright Medical Technology, Inc.
InventorsKian-Ming Wong, Jason Edie
Life of this patent
Estimating the term…
Abstract
A device includes a plurality of rings. Each ring has a first face, a second face, and at least one slot defined by first and second interior edges of the ring on opposing sides of the slot. The at least one slot penetrates from the first face to the second face. The first face of each ring has a first recess adjacent the slot on the first edge and a second recess adjacent the slot on the second edge. A plurality of posts join each one of the plurality of rings to an adjacent one of the plurality of rings.
Claims53
A device, comprising:
- a plurality of rings, each ring having a first face, a second face, and at least one slot defined by first and second interior edges of the ring on opposing sides of the slot, the at least one slot penetrating from the first face to the second face, the first face of each ring having a first recess adjacent the slot on the first edge and a second recess adjacent the slot on the second edge;
- and
- a plurality of members joining each one of the plurality of rings to an adjacent one of the plurality of rings.
A method for positioning a leg of a patient, comprising:
- pre-loading respective fixation devices in a plurality of slots of a circular fixator, each fixation device having a threaded bolt with a side slot in a side edge thereof;
- positioning the circular fixator around the leg;
- inserting at least one wire through the leg after the pre-loading;
- sliding each pre-loaded fixation device until the side slot thereof engages the at least one wire;
- and
- securing the fixation devices so as to secure the engaged wire to the circular fixator.
A clip, comprising:
- a body having a longitudinal axis;
- the body having a tubular sidewall integrally attached to a perimeter of the body;
- the body having a slot extending parallel to the longitudinal axis, the slot penetrating the tubular sidewall and extending part way through the body,
- the body having first and second longitudinal tubular gripping surfaces, the second longitudinal tubular gripping surface having an inner diameter that is different from an inner diameter of the first longitudinal tubular gripping surface, the slot extending through each of the first and second longitudinal tubular gripping surfaces, and
- the body having first and second end surfaces, the first end surface perpendicular to the longitudinal axis, the second end surface oriented at an oblique angle relative to the longitudinal axis.
A fixation device, comprising:
- a post having a body with a longitudinal slot penetrating the body, a mounting surface with two curved edges, and an integrally attached threaded member extending from the mounting surface, the body having a side surface with a plurality of grooves therein, the grooves being perpendicular to a length of the longitudinal slot;
- a washer having a ridge for engaging one of the grooves of the body;
- and
- a bolt penetrating the washer and the longitudinal slot, the bolt having a head and a side slot in a side surface thereof near the head, for receiving a wire.
A device comprising:
- a body having a first opening, the first opening including a passage penetrating completely through the body from a first face of the body to a second face opposite the first face, and a slot extending from the passage to a side edge of the body, the slot having a height that is less than a height of the first opening;
- and
- a leg positioning element, comprising:
- an arm adapted to slidably fit in the first opening for sliding along a first direction normal to the first face;
- a support adapted to support a first portion of a limb of a patient;
- and
- a neck portion connecting the support to an end of the arm, the neck portion adapted to slidably fit in the passage, to permit removal of the leg positioning element from the body through the passage in a second direction parallel to the first face.
Dependencies are inferred from the claim text.