US 2026/0090860 A1 · ROTATABLE FIDUCIAL MARKER ARRAY

Abstract

A fiducial marker array can have a rigid body and an array coupling arrangement. The rigid body can support a plurality of fiducial markers at fixed locations relative to each other along the rigid body to form an asymmetrical fixed positional arrangement of fiducial markers. The rigid body can include multiple array arms extending in multiple directions from a central region. The array coupling arrangement can be coupled to the rigid body at its central region and can be configured to couple the rigid body at its central region to a separate object such that the rigid body is rotatable relative to the separate object about a rotational axis extending through the central region. The array coupling arrangement can be further configured to facilitate locking the rigid body in place at one or more fixed rotational positions relative to the separate object, which can be a pivotable clamp.

Claims20

Dependent claims

A fiducial marker array, comprising:

a rigid body configured to support a plurality of fiducial markers at fixed locations relative to each other along the rigid body to form an asymmetrical fixed positional arrangement of fiducial markers, wherein the rigid body includes multiple array arms extending in multiple directions from a central region;
and
an array coupling arrangement coupled to the rigid body at its central region, wherein the array coupling arrangement is configured to couple the rigid body at its central region to a separate object such that the rigid body is rotatable relative to the separate object about a rotational axis extending through the central region, the array coupling arrangement being further configured to facilitate locking the rigid body in place at one or more fixed rotational positions relative to the separate object.

A medical fiducial marker system, comprising:

a pivotable medical device clamp configured to clamp onto a cylindrical portion of a separate medical device during a medical procedure, wherein clamping onto the cylindrical portion results in the pivotable clamp being unable to slide laterally along the cylindrical portion while still allowing the pivotable clamp to pivot about the cylindrical portion with respect to a longitudinal axis thereof;
and
a rotatable fiducial marker array configured to support a plurality of fiducial markers and to rotatably couple to the pivotable medical device clamp, wherein clamping the pivotable medical device clamp onto the cylindrical portion of the separate medical device and locking the rotatable fiducial marker array at a fixed rotational position relative to the pivotable medical device clamp results in each of the plurality of fiducial markers remaining at a fixed distance from a tip of the separate medical device and from the longitudinal axis when the pivotable clamp pivots about the cylindrical portion.

Dependencies are inferred from the claim text.

Rotatable fiducial marker array

Life of this patent

Rotatable fiducial marker array

Life of this patent

Abstract

Claims20