Systems, Devices, and Methods for Mechanically Reducing and Fixing Bone Fractures

A fracture reduction system for a bone region defined by anatomic x-, y-, and z-axes and having a bone fracture, the system comprising

• a frame that is sized and configured to support the bone region having the bone fracture,
• a first reduction mechanism on the frame that is sized and configured to apply to the bone fracture a first mechanical force vector that moves the bone fracture into alignment in a first anatomic orientation relative to the anatomic x-axis, including a mechanism that is sized and configured to mechanically interact with the first reduction mechanism to maintain a desired alignment in the first anatomic orientation,
• a second reduction mechanism on the frame that is sized and configured to apply to the bone fracture, independent of the application of the first mechanical force vector, a second mechanical force vector that moves the bone fracture into alignment in a second anatomic orientation relative to the anatomic y-axis, including a mechanism that is sized and configured to mechanically interact with the second reduction mechanism to maintain a desired alignment in the second anatomic orientation, and
• a third reduction mechanism on the frame that is sized and configured to apply to the bone fracture, independent of the application of the first and second mechanical force vectors, a third mechanical force vector that moves the bone fracture into alignment in a third anatomic orientation relative to the anatomic z-axis, including a mechanism that is sized and configured to mechanically interact with the third reduction mechanism to maintain a desired alignment in the third anatomic orientation,
• whereby the first mechanical force vector moves the bone fracture into alignment in a first anatomic orientation relative the anatomic x-axis without altering a desired alignment in either the second or third anatomic orientations
• whereby the second mechanical force vector moves the bone fracture into alignment in a second anatomic orientation relative the anatomic y-axis without altering a desired alignment in either the first or third anatomic orientations, and
• whereby the third mechanical force vector moves the bone fracture into alignment in a first anatomic orientation relative the anatomic z-axis without altering a desired alignment in either the first or second anatomic orientations.

A fracture reduction system for an arm bone region defined by anatomic x-, y-, and z-axes and having a supracondylar fracture, the system comprising

• a frame that is sized and configured to support the arm bone region having the supracondylar fracture,
• a distal traction mechanical force reduction assembly on the frame that is sized and configured to apply to the supracondylar fracture a first mechanical force vector that moves the supracondylar fracture into alignment in a first anatomic orientation along the anatomic x-axis, achieving, at least in part, distal traction of the supracondylar fracture, including a mechanism that is sized and configured to mechanically interact with the distal traction mechanical force reduction assembly to maintain a desired alignment in the first anatomic orientation, and
• a second mechanical force reduction assembly on the frame that is sized and configured to apply to the supracondylar fracture, independent of the first mechanical force vector, a second mechanical force reduction vector that moves the supracondylar fracture into alignment in a second anatomic orientation, different than the first anatomic orientation, relative to one of the anatomic x-, y-, and z-axes, without altering a desired alignment in the first anatomic orientation, the second anatomic orientation achieving, at least in part, one of superior traction, lateral traction, varus/valgus rotation, pronation/supination rotation, and flexion/extension rotation or the supracondylar fraction, the second mechanical force reduction assembly including a mechanism that is sized and configured to mechanically interact with the second mechanical force reduction assembly to maintain a desired alignment in the second anatomic orientation.

A fracture reduction system for an arm bone region defined by anatomic x-, y-, and z-axes and having a supracondylar fracture, the system comprising

• a frame that is sized and configured to support the arm bone region having the supracondylar fracture,
• a first reduction mechanism on the frame that is sized and configured to apply to the supracondylar fracture a first mechanical force vector that moves the supracondylar fracture into alignment in a first anatomic orientation relative to the anatomic x-axis, including a mechanism that is sized and configured to mechanically interact with the first reduction mechanism to maintain a desired alignment in the first anatomic orientation,
• a second reduction mechanism on the frame that is sized and configured to apply to the supracondylar fracture, independent of the application of the first mechanical force vector, a second mechanical force vector that moves the supracondylar fracture into alignment in a second anatomic orientation relative to the anatomic y-axis, including a mechanism that is sized and configured to mechanically interact with the second reduction mechanism to maintain a desired alignment in the second anatomic orientation, and
• a third reduction mechanism on the frame that is sized and configured to apply to the supracondylar fracture, independent of the application of the first and second mechanical force vectors, a third mechanical force vector that moves the supracondylar fracture into alignment in a third anatomic orientation relative to the anatomic z-axis, including a mechanism that is sized and configured to mechanically interact with the third reduction mechanism to maintain a desired alignment in the third anatomic orientation,
• whereby the first mechanical force vector moves the supracondylar fracture into alignment in a first anatomic orientation relative the anatomic x-axis without altering a desired alignment in either the second or third anatomic orientations,
• whereby the second mechanical force vector moves the supracondylar fracture into alignment in a second anatomic orientation relative the anatomic y-axis without altering a desired alignment in either the first or third anatomic orientations, and
• whereby the third mechanical force vector moves the supracondylar fracture into alignment in a first anatomic orientation relative the anatomic z-axis without altering a desired alignment in either the first or second anatomic orientations.

A fracture reduction method comprising

• (i) supporting a body region having the bone fracture on a frame,
• (ii) operating a first reduction mechanism on the frame to apply to the bone fracture a first predefined force reduction vector that returns the bone fracture to a corrective alignment in a first anatomic orientation,
• (iii) mechanically maintaining the corrective alignment in the first anatomic orientation,
• (iv) independent of (ii) and (iii), operating a second reduction mechanism on the frame to apply a second predefined force reduction vector that returns the bone fracture to a corrective alignment in a second anatomic orientation different than the first anatomic orientation without altering the corrective alignment in the first anatomic orientation, and
• (v) mechanically maintaining the corrective alignment in the second anatomic orientation.

A fracture reduction method comprising

• (i) identifying a bone region having a bone fracture and defined by anatomic x-, y-, and z-axes, a frame sized and configured to support the bone region having the bone fracture,
• (ii) supporting the bone region having the bone fracture on a frame,
• (iii) operating a first reduction mechanism on the frame to apply to the bone fracture a first predefined force reduction vector that returns the bone fracture to a corrective alignment in a first anatomic orientation relative to the anatomic x-axis,
• (iv) mechanically maintaining the corrective alignment in the first anatomic orientation,
• (v) independent of (iii) and (iv), operating a second reduction mechanism on the frame to apply a second predefined force reduction vector that returns the bone fracture to a corrective alignment in a second anatomic orientation relative to the anatomic y-axis without altering the corrective alignment in the first anatomic orientation,
• (vi) mechanically maintaining the corrective alignment in the second anatomic orientation,
• (vii) independent of (iii), (iv), (v), and (vi), operating a third reduction mechanism on the frame to apply a third predefined force reduction vector that returns the bone fracture to a corrective alignment in a third anatomic orientation along the anatomic z-axis without altering the corrective alignment in either the first or second anatomic orientations, and
• (viii) mechanically holding stationary the corrective alignment in the third anatomic orientation.

A fracture reduction method for an arm bone region defined by anatomic x-, y-, and z-axes and having a supracondylar fracture, the method comprising

• (i) supporting the arm bone region having the supracondylar fracture on a frame,
• (ii) operating a distal traction mechanical force reduction assembly on the frame to apply to the supracondylar fracture a first mechanical force vector that moves the supracondylar fracture into alignment in a first anatomic orientation along the anatomic x-axis, achieving, at least in part, distal traction of the supracondylar fracture,
• (iii) mechanically maintaining a desired alignment in the first anatomic orientation, and
• (iv) operating a second mechanical force reduction assembly on the frame to apply to the supracondylar fracture, independent of the first mechanical force vector, a second mechanical force reduction vector that moves the supracondylar fracture into alignment in a second anatomic orientation, different than the first anatomic orientation, relative to one of the anatomic x-, y-, and z-axes, without altering a desired alignment in the first anatomic orientation, the second anatomic orientation achieving, at least in part, one of superior traction, lateral traction, varus/valgus rotation, pronation/supination rotation, and flexion/extension rotation or the supracondylar fraction, and
• (v) mechanically maintaining a desired alignment in the second anatomic orientation.

A fracture reduction method for an arm bone region defined by anatomic x-, y-, and z-axes and having a supracondylar fracture, the method comprising

• (i) supporting the arm bone region having the supracondylar fracture on a frame,
• (ii) operating a first reduction mechanism on the frame to apply to the supracondylar fracture a first mechanical force vector that moves the supracondylar fracture into alignment in a first anatomic orientation relative to the anatomic x-axis,
• (iii) mechanically maintaining a desired alignment in the first anatomic orientation,
• (iv) operating a second reduction mechanism on the frame to apply to the supracondylar fracture, independent of the application of the first mechanical force vector, a second mechanical force vector that moves the supracondylar fracture into alignment in a second anatomic orientation relative to the anatomic y-axis,
• (v) mechanically maintaining a desired alignment in the second anatomic orientation,
• (vi) operating a third reduction mechanism on the frame to apply to the supracondylar fracture, independent of the application of the first and second mechanical force vectors, a third mechanical force vector that moves the supracondylar fracture into alignment in a third anatomic orientation relative to the anatomic z-axis,
• (vii) mechanically maintaining a desired alignment in the third anatomic orientation,
• whereby the first mechanical force vector moves the supracondylar fracture into alignment in a first anatomic orientation relative the anatomic x-axis without altering a desired alignment in either the second or third anatomic orientations,
• whereby the second mechanical force vector moves the supracondylar fracture into alignment in a second anatomic orientation relative the anatomic y-axis without altering a desired alignment in either the first or third anatomic orientations, and
• whereby the third mechanical force vector moves the supracondylar fracture into alignment in a first anatomic orientation relative the anatomic z-axis without altering a desired alignment in either the first or second anatomic orientations.

A system for fixing a bone fracture reduction comprising

• a frame that is sized and configured to support a body region having bone fracture reduction,
• a shuttle body,
• a guide carried by the shuttle body that defines a path along which a bone fixing device can be placed to fix the bone fracture reduction,
• a first mount on the shuttle body engaging the frame for moving the guide on the frame relative the bone fracture reduction in a range of positions orientated with the bone fracture reduction in a first plane to guide placement of the bone fixing device in the first plane, the first mount including a mechanism that is sized and configured to mechanically interact with the mount to maintain a desired orientation in the first plane, and
• a second mount on the shuttle body for moving the guide on the shuttle body relative the bone fracture reduction in a range of positions oriented with the bone fracture reduction within a second plane, different than the first plane, to guide placement of the bone fixing device in the second plane, the second mount including a mechanism that is sized and configured to mechanically interact with the second mount to maintain a desired orientation in the second plane.

A method for fixing a bone fracture reduction comprising

• supporting a body region having bone fracture reduction on a frame,
• providing a guide that defines a path along which a bone fixing device can be placed to fix the bone fracture reduction,
• moving the guide on a first mount on the frame relative the bone fracture reduction in a range of positions orientated with the bone fracture reduction in a first plane to guide placement of the bone fixing device in the first plane,
• mechanically maintaining a desired orientation in the first plane,
• moving the guide on a second mount relative the bone fracture reduction in a range of positions oriented with the bone fracture reduction within a second plane, different than the first plane, to guide placement of the bone fixing device in the second plane,
• mechanically maintaining with a desired orientation in the second plane, and
• placing the bone fixing device through the guide into the bone fracture reduction to fix the bone fracture reduction.