Pre-operative planning of bone graft to be harvested from donor site

1. A system for orthopedic surgery, the system comprising:

a memory configured to store image data for one or more images of a patient; and

processing circuitry configured to:

determine a bone graft template for a bone graft to be connected to a glenoid of the patient on which the bone graft is to be connected for implantation of an implant, the bone graft template being a graphical representation of a size and shape of the bone graft, wherein to determine the bone graft template, the processing circuitry is configured to:

determine a pre-morbid shape of the glenoid;

determine a shape of the glenoid;

compare the shape of the glenoid to the pre-morbid shape of the glenoid; and

determine the bone graft template based on the comparison;

determine placement of the bone graft template within a representation of a humeral head that is to be cut; and

output information indicative of the placement of the bone graft template within the representation of the humeral head.

2. The system of claim 1 , wherein to determine the placement, the processing circuitry is configured to receive information indicative of the placement of the bone graft template within the representation of the humeral head, and wherein to output the information indicative of the placement, the processing circuitry is configured to output graphical information for rendering, for display, the bone graft template within the representation of the humeral head.

3. The system of claim 2 , wherein the processing circuitry is configured to:

output graphical information for rendering, to display the representation of the humeral head,

wherein to receive the information indicative of the placement of the bone graft template, the processing circuitry is configured to receive the information indicative of the placement of the bone graft template within the displayed representation of the humeral head, and

wherein to output the information indicative of the placement of the bone graft template, the processing circuitry is configured to output graphical information for rendering, for display, the bone graft template within the displayed representation of the humeral head based on the received information indicative of the placement of the bone graft template within the displayed representation of the humeral head.

4. The system of claim 1 ,

wherein to determine the placement of the bone graft template, the processing circuitry is configured to:

compare a size and shape of the bone graft template to the representation of the humeral head; and

determine the placement of the bone graft template based on the comparison of the size and shape of the graft template to the representation of the humeral head, and

wherein to output the information indicative of the placement of the bone graft template, the processing circuitry is configured to output graphical information for rendering, for display, the bone graft template within the representation of the humeral head.

5. The system of claim 1 , wherein the processing circuitry is configured to output information indicative of whether the humeral head is potentially suitable as a donor site for the bone graft.

6. The system of claim 1 , wherein the processing circuitry is configured to generate pre-operative planning information based on the placement of the bone graft template within the representation of the humeral head.

7. The system of claim 6 , wherein to generate the pre-operative planning information, the processing circuitry is configured to generate information indicative of a location within the humeral head from which the bone graft is to be extracted.

8. The system of claim 6 , wherein to generate the pre-operative planning information, the processing circuitry is configured to generate information indicative of an axis along which to cut the humeral head for extracting the bone graft.

9. The system of claim 6 , wherein to generate the pre-operative planning information, the processing circuitry is configured to generate information indicative of a maximum depth at which to cut the humeral head for extracting the bone graft.

10. The system of claim 6 , wherein to generate the pre-operative planning information, the processing circuitry is configured to generate information indicative of a type of tool to utilize to cut the humeral head for extracting the bone graft.

11. A method for bone graft selection in orthopedic surgery, the method comprising:

determining a bone graft template for a bone graft to be connected to a glenoid of a patient on which the bone graft is to be connected for implantation of an implant, the bone graft template being a graphical representation of a size and shape of the bone graft, wherein determining the bone graft template comprises:

determining a pre-morbid shape of the glenoid;

determining a shape of the glenoid;

comparing the shape of the glenoid to the pre-morbid shape of the glenoid; and

determining the bone graft template based on the comparison;

determining placement of the bone graft template within a representation of a humeral head that is to be cut; and

outputting information indicative of the placement of the bone graft template within the representation of the humeral head.

12. The method of claim 11 , wherein determining the placement comprises receiving the information indicative of the placement of the bone graft template within the representation of the humeral head, and outputting the information indicative of the placement comprises outputting graphical information for rendering, for display, the bone graft template within the representation of the humeral head.

13. The method of claim 12 , further comprising:

outputting graphical information for rendering, to display the representation of the humeral head,

wherein receiving the information indicative of the placement of the bone graft template comprises receiving the information indicative of the placement of the bone graft template within the displayed representation of the humeral head, and

outputting the information indicative of the placement of the bone graft template comprises outputting graphical information for rendering, for display, the bone graft template within the displayed representation of the humeral head based on the received information indicative of the placement of the bone graft template within the displayed representation of the humeral head.

14. The method of claim 11 ,

wherein determining the placement of the bone graft template comprises:

comparing a size and shape of the bone graft template to the representation of the humeral head; and

determining information indicative of the placement of the bone graft template based on the comparison of the size and shape of the graft template to the representation of the humeral head, and

wherein outputting the information indicative of the placement of the bone graft template comprises outputting graphical information for rendering, for display, the bone graft template within the representation of the humeral head.

15. The method of claim 11 , further comprising outputting information indicative of whether the humeral head is potentially suitable as a donor site for the bone graft.

16. The method of claim 11 , further comprising generating pre-operative planning information based on the placement of the bone graft template within the representation of the humeral head.

17. The method of claim 16 , wherein generating the pre-operative planning information comprises generating information indicative of a location within the humeral head from which the bone graft is to be extracted.

18. The method of claim 16 , wherein generating the pre-operative planning information comprises generating information indicative of an axis along which to cut the humeral head for extracting the bone graft.

19. The method of claim 16 , wherein generating the pre-operative planning information comprises generating information indicative of a maximum depth at which to cut the humeral head for extracting the bone graft.

20. The method of claim 16 , wherein generating the pre-operative planning information comprises generating information indicative of a type of tool to utilize to cut the humeral head for extracting the bone graft.

21. A system for orthopedic surgery, the system comprising:

means for determining a bone graft template for a bone graft to be connected to a glenoid of a patient on which the bone graft is to be connected for implantation of an implant, the bone graft template being a graphical representation of a size and shape of the bone graft, wherein the means for determining the bone graft template comprises means for:

determining a pre-morbid shape of the glenoid;

determining a shape of the glenoid;

comparing the shape of the glenoid to the pre-morbid shape of the glenoid; and

determining the bone graft template based on the comparison;

means for determining placement of the bone graft template within a representation of a humeral head that is to be cut; and

means for outputting information indicative of the placement of the bone graft template within the representation of the humeral head.

22. The system of claim 21 , wherein the means for determining the placement of the bone graft template comprises:

means for comparing a size and shape of the bone graft template to the representation of the humeral head; and

means for determining the placement of the bone graft template based on the comparison, and

wherein the means for outputting the information indicative of the placement of the bone graft template comprises means for outputting graphical information for rendering, for display, the bone graft template within the representation of the humeral head.

23. A non-transitory computer-readable storage medium storing instructions that when executed cause one or more processors to:

determine a bone graft template for a bone graft to be connected to a glenoid of a patient on which the bone graft is to be connected for implantation of an implant, the bone graft template being a graphical representation of a size and shape of the bone graft, wherein the instructions that cause the one or more processors to determine the bone graft template comprise instructions that cause the one or more processors to:

determine a pre-morbid shape of the glenoid;

determine a shape of the glenoid;

compare the shape of the glenoid to the pre-morbid shape of the glenoid; and

determine the bone graft template based on the comparison

determine placement of the bone graft template within a representation of a humeral head that is to be cut; and

output information indicative of the placement of the bone graft template within the representation of the humeral head.

24. The non-transitory computer-readable storage medium of claim 23 :

wherein the instructions that cause the one or more processors to determine the placement of the bone graft template comprise instructions that cause the one or more processors to:

compare a size and shape of the bone graft template to the representation of the humeral head; and

determine the placement of the bone graft template based on the comparison of the size and shape of the graft template to the representation of the humeral head, and

wherein the instructions that cause the one or more processors to output the information indicative of the placement of the bone graft template comprise instructions that cause the one or more processors to output graphical information for rendering, for display, the bone graft template within the representation of the humeral head.