ADJUSTABLE ARTHROPLASTY DEVICES, SYSTEMS, AND METHODS

1 . A method for replacing a natural articular surface on a bone comprising:

movably mating a first adjustable attachment feature of an arthroplasty prosthesis with a second adjustable attachment feature of a bone anchoring component to movably couple the bone anchoring component to a bone-facing side of the arthroplasty prosthesis;

securing a bone engagement surface of the bone anchoring component to a resected surface of the bone; and

replacing the natural articular surface on the bone with an articular surface on a joint-facing side of the of the arthroplasty prosthesis.

2 . The method of claim 1 , wherein movably mating the first adjustable attachment feature with the second adjustable attachment feature comprises:

inserting a rotary plate of the first adjustable attachment feature into a rotary recess of the second adjustable attachment feature to rotatably couple the bone anchoring component to the bone-facing side of the arthroplasty prosthesis.

3 . The method of claim 1 , wherein movably mating the first adjustable attachment feature with the second adjustable attachment feature comprises:

inserting a rotary plate of the second adjustable attachment feature into a rotary recess of the first adjustable attachment feature to rotatably couple the bone anchoring component to the bone-facing side of the arthroplasty prosthesis.

4 . The method of claim 1 , wherein movably mating the first adjustable attachment feature with the second adjustable attachment feature comprises:

mating a translation coupler of the second adjustable attachment feature with a translation member of the first adjustable attachment feature to translatably couple the bone anchoring component to the bone-facing side of the arthroplasty prosthesis.

5 . The method of claim 1 , wherein movably mating the first adjustable attachment feature with the second adjustable attachment feature comprises:

inserting a rotary plate of the second adjustable attachment feature into a rotary recess of the first adjustable attachment feature to rotatably couple the bone anchoring component to the bone-facing side of the arthroplasty prosthesis; and

mating a translation coupler of the bone anchoring component with a translation member of the rotary plate to translatably couple the bone anchoring component to the bone-facing side of the arthroplasty prosthesis.

6 . The method of claim 1 further comprising:

engaging the bone engagement surface of the bone anchoring component with the resected surface of the bone; and

transmitting at least one force between the resected surface and the bone engagement surface to movably self-locate the bone anchoring component with respect to the bone-facing side of the arthroplasty prosthesis.

7 . A method for replacing a natural articular surface on a bone of a knee joint comprising:

mating a prosthesis attachment feature of a knee arthroplasty prosthesis with one of a primary attachment feature of a primary bone anchoring component and a revision attachment feature of a revision bone anchoring component to removably couple one of the primary bone anchoring component and the revision bone anchoring component to a bone-facing side of the knee arthroplasty prosthesis;

securing one of a primary bone engagement surface of the primary bone anchoring component and a revision bone engagement surface of the revision bone anchoring component to a resected surface of the bone; and

replacing the natural articular surface on the bone with an articular surface on a joint-facing side of the of the knee arthroplasty prosthesis,

wherein:

at least a majority of the primary bone anchoring component is located outside an intramedullary canal of the bone when the primary bone anchoring component is secured to the bone; and

a distal portion of a stem of the revision bone anchoring component is securable within the intramedullary canal of the bone when the revision bone anchoring component is secured to the bone.

8 . The method of claim 7 , wherein mating the prosthesis attachment feature with one of the primary attachment feature and the revision attachment feature comprises:

mating a prosthesis recess of the prosthesis attachment feature with one of a primary plate of the primary attachment feature and a revision plate of the revision attachment feature to removably couple one of the primary bone anchoring component and the revision bone anchoring component with the bone-facing side of the knee arthroplasty prosthesis.

9 . The method of claim 7 , wherein mating the prosthesis attachment feature with one of the primary attachment feature and the revision attachment feature comprises:

mating a prosthesis translation member of the prosthesis attachment feature with one of a primary translation coupler of the primary attachment feature and a revision translation coupler of the revision attachment feature to removably couple one of the primary bone anchoring component and the revision bone anchoring component with the bone-facing side of the knee arthroplasty prosthesis.

10 . The method of claim 7 further comprising:

engaging one of the primary bone engagement surface and the revision bone engagement surface with the resected surface of the bone; and

transmitting at least one force between the resected surface and one of the primary bone engagement surface and the revision bone engagement surface to movably self-locate one of the primary bone anchoring component and the revision bone anchoring component with respect to the bone-facing side of the knee arthroplasty prosthesis.

11 . The method of claim 10 further comprising:

activating a locking mechanism to prevent further movement of one of the primary bone anchoring component and the revision bone anchoring component with respect to the bone-facing side of the knee arthroplasty prosthesis.

12 . A method for replacing a natural articular surface on a bone of a knee joint comprising:

selecting either of:

a primary bone anchoring component comprising:

a primary bone engagement surface securable to a resected surface of the bone; and

a primary attachment feature; and

a revision bone anchoring component comprising:

a revision bone engagement surface securable to the resected surface of the bone; and

a revision attachment feature;

rotatably and/or translatably mating a prosthesis attachment feature of a knee arthroplasty prosthesis with either of the primary attachment feature and the revision attachment feature to couple either of the primary bone anchoring component and the revision bone anchoring component to a bone-facing side of the knee arthroplasty prosthesis;

securing either of the primary bone engagement surface and the revision bone engagement surface to the resected surface of the bone; and

replacing the natural articular surface on the bone with an articular surface on a joint-facing side of the of the knee arthroplasty prosthesis.

13 . The method of claim 12 , wherein rotatably and/or translatably mating the prosthesis attachment feature with either of the primary attachment feature and the revision attachment feature comprises:

mating a prosthesis recess of the prosthesis attachment feature with either of a primary plate of the primary attachment feature and a revision plate of the revision attachment feature to couple either of the primary bone anchoring component and the revision bone anchoring component to the bone-facing side of the knee arthroplasty prosthesis.

14 . The method of claim 12 , wherein rotatably and/or translatably mating the prosthesis attachment feature with either of the primary attachment feature and the revision attachment feature comprises:

mating a prosthesis translation member of the prosthesis attachment feature with either of a primary translation coupler of the primary attachment feature and a revision translation coupler of the revision attachment feature to removably couple either of the primary bone anchoring component and the revision bone anchoring component with the bone-facing side of the knee arthroplasty prosthesis.

15 . The method of claim 12 further comprising:

engaging either of the primary bone engagement surface and the revision bone engagement surface with the resected surface of the bone; and

transmitting at least one force between the resected surface and either of the primary bone engagement surface and the revision bone engagement surface to movably self-locate either of the primary bone anchoring component and the revision bone anchoring component with respect to the bone-facing side of the knee arthroplasty prosthesis.

16 . The method of claim 15 further comprising:

activating a locking mechanism to prevent further movement of either of the primary bone anchoring component and the revision bone anchoring component with respect to the bone-facing side of the knee arthroplasty prosthesis.

17 . The method of claim 16 , wherein activating the locking mechanism comprises rotating a locking fastener in a first direction to prevent further movement of either of the primary bone anchoring component and the revision bone anchoring component with respect to the bone-facing side of the knee arthroplasty prosthesis.

18 . The method of claim 12 , wherein:

at least a majority of the primary bone anchoring component is located outside an intramedullary canal of the bone when the primary bone anchoring component is secured to the bone; and

a distal portion of a stem of the revision bone anchoring component is securable within the intramedullary canal of the bone when the revision bone anchoring component is secured to the bone.

19 . A method for replacing a natural articular surface on a bone comprising:

removably mating a prosthesis attachment feature of an arthroplasty prosthesis with a component attachment feature of a bone anchoring component to removably couple the bone anchoring component to a bone-facing side of the arthroplasty prosthesis;

securing a bone engagement surface of the bone anchoring component to a resected surface of the bone; and

replacing the natural articular surface on the bone with an articular surface on a joint-facing side of the of the arthroplasty prosthesis,

wherein the prosthesis attachment feature comprises a circular shape having a diameter of at least 10 mm.

20 . The method of claim 19 , wherein:

the prosthesis attachment feature comprises a first circular shape having a first diameter of at least 10 mm;

the component attachment feature comprises a second circular shape having a second diameter of at least 10 mm; and

the prosthesis attachment feature and the component attachment feature comprise complementary circular shapes with each other.

21 . The method of claim 19 , wherein removably mating the prosthesis attachment feature with the component attachment feature comprises:

inserting a prosthesis plate of the prosthesis attachment feature into a component recess of the component attachment feature to removably couple the bone anchoring component to the bone-facing side of the arthroplasty prosthesis.

22 . The method of claim 19 further comprising:

engaging the bone engagement surface with the resected surface of the bone; and

transmitting at least one force between the resected surface and the bone engagement surface to movably self-locate the bone anchoring component with respect to the bone-facing side of the arthroplasty prosthesis.

23 . The method of claim 22 further comprising:

activating a locking mechanism to prevent further movement of the bone anchoring component with respect to the bone-facing side of the arthroplasty prosthesis.

24 . The method of claim 23 , wherein activating the locking mechanism comprises rotating a locking fastener in a first direction to prevent further movement of the bone anchoring component with respect to the bone-facing side of the arthroplasty prosthesis.

25 . The method of claim 19 further comprising:

engaging at least one first anti-rotation feature of the arthroplasty prosthesis with at least one second anti-rotation feature of the bone anchoring component to resist rotation of the bone anchoring component with respect to the bone-facing side of the arthroplasty prosthesis.