Surgical rod bending system and method
AssigneeDignity Health
InventorsNeil R. Crawford, Nicholas Theodore
Life of this patent
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Abstract
A system and method for bending a surgical rod using an automated bending system includes receiving an indication of a plurality of line segments defined on the rod and an indication of an angle measurement to be formed between at least two adjacent ones of the plurality of line segments. Bending parameters to perform on the rod to form the angle measurement between the at least two adjacent ones of the plurality of line segments are determined and operation of the automated bending system is controlled using the bending parameters to create an angle having the angle measurement between the at least two adjacent ones of the plurality of line segments.
Claims20
A system for bending a rod into a shape designed for implantation into a patient, the system comprising:
- a base including a base passage extending there through;
- a linear movement device configured to axially feed the rod in a first direction through the base passage;
- a rotational movement device coupled to the linear movement device, the rotational movement device configured to rotate the rod while being fed through the base passage by the linear movement device;
- a bending device moveable along a linear slide in a second direction perpendicular to the first direction to impose bending forces against the rod;
- and
- a controller configured to:
- identify at least one of a plurality of pedicle points or plurality of intermediate points along the rod that define a plurality of line segments defined on the rod;
- identify an angle measurement to be formed between at least two adjacent ones of the plurality of line segments;
- identify bending parameters to perform on the rod to form the angle measurement between the at least two adjacent ones of the plurality of line segments;
- monitor contact between the bending device and the rod;
- and
- control operation of at least the bending device using the bending parameters and the monitored contact between the bending device and the rod to bend the rod to form the angle measurement between the at least two adjacent ones of the plurality of line segments and intersecting at the at least one of a plurality of pedicle points or plurality of intermediate points along the rod.
A system for bending a rod into a shape designed for implantation into a patient, the system comprising:
- a plurality of guide rollers;
- a linear movement device configured to axially feed the rod in a first direction between the plurality of guide rollers;
- a rotational movement device configured to rotate the rod as it is axially fed between the plurality of guide rollers;
- a bending device moveable along a linear slide and configured to impose bending forces against the rod in a second direction perpendicular to the first direction after it is fed between the plurality of rollers, the bending device positioned adjacent to the plurality of guide rollers so that the imposed bending forces against the rod causes the rod to bend along a curve of one of the plurality of guide rollers;
- and
- a controller configured to:
- identify a plurality of line segments defined on the rod that define the shape of the rod for implantation into the patient;
- identify an angle measurement to be formed between at least two adjacent ones of the plurality of line segments to form the rod into the shape;
- identify bending parameters to perform on the rod to form the angle measurement between the at least two adjacent ones of the plurality of line segments;
- and
- control operation of at least the bending device using the bending parameters to create an angle having the angle measurement between the at least two adjacent ones of the plurality of line segments by:
- axially feeding the rod in the first direction;
- monitoring contact between the bending device and the rod;
- and
- controlling the bending device to impose the bending forces against the rod in the second direction according to the bending parameters and the monitored contact to bend the rod into the shape.
Dependencies are inferred from the claim text.