Granted Patent B2

US 12,419,688 · App. 17/543,416 · Granted Sep 23, 2025

Inventors: Jason Meridew (Warsaw, IN); William Jason Slone (Silver Lake, IN); Mark Scrafton (Warsaw, IN); John White (Winona Lake, IN); Seth Nash (Fort Wayne, IN)

Assignee: Biomet Manufacturing, LLC

A61B34/10A61B17/1742A61B90/37A61F2/32A61B2034/101A61B2034/105A61B2090/372A61B2090/502

Abstract

Claims (34)

1. A method of implanting a hip joint prosthesis into a patient, the method comprising:

obtaining image data of hip joint anatomy of the patient, the image data including x-ray images of the hip joint anatomy;

creating a three-dimensional statistical shape model by referencing data from one or more known anatomical databases and merging the data with the obtained image data;

determining a size and an initial placement of the hip joint prosthesis based on the image data;

creating a plan comprising a desired implanted location of the hip joint prosthesis;

displaying an implantation template on a visual guide; and

providing the plan for execution on the visual guide to implant the hip joint prosthesis into the patient at the desired implanted location.

2. The method of claim 1 , further comprising:

determining a desired range of motion of the hip joint prosthesis.

3. The method of claim 1 , wherein the visual guide comprises eyewear worn by a surgeon.

4. The method of claim 1 , wherein the visual guide comprises an electronic display.

5. The method of claim 4 , wherein the electronic display is operably coupled to a hip insertion instrument.

6. The method of claim 5 , wherein the hip insertion instrument comprises an acetabular cup insertion instrument.

7. The method of claim 1 , wherein the implantation template includes information from the plan related to the desired implanted location and the initial placement of the hip joint prosthesis.

8. The method of claim 1 , wherein the one or more known anatomical databases comprises data representing joint spaces from a plurality of known patients.

9. The method of claim 1 , wherein providing the plan for execution further comprises:

providing feedback to a surgeon on the visual guide based on an actual position of the hip joint prosthesis relative to the desired implanted location of the hip joint prosthesis.

10. The method of claim 1 , wherein creating the plan further comprises:

determining a desired orientation of the hip joint prosthesis including a target inclination angle and a target anteversion angle; and

incorporating the desired orientation into the plan.

11. The method of claim 1 , further comprising registering the hip joint anatomy of the patient with the plan.

12. The method of claim 11 , wherein registering the hip joint anatomy comprises:

mapping anatomical surfaces of a femur and acetabulum of the hip joint anatomy.

13. A method of implanting a hip joint prosthesis into a patient, the method comprising:

obtaining image data of hip joint anatomy of the patient, the image data including two-dimensional images of the hip joint anatomy;

creating a three-dimensional statistical shape model by referencing data from one or more known anatomical databases and merging the data with the obtained image data;

determining a size and an initial placement of the hip joint prosthesis based on the image data;

creating a plan comprising a desired implanted location of the hip joint prosthesis;

displaying an implantation template on a visual guide; and

providing the plan for execution on the visual guide to implant the hip joint prosthesis into the patient at the desired implanted location.

14. The method of claim 13 , wherein the one or more known anatomical databases comprises data representing joint spaces from a plurality of known patients.

15. The method of claim 13 , further comprising:

performing an impingement and stability analysis; and

modifying the desired implanted position based on detecting of at least one of impingement and instability of the hip joint prosthesis.

Continuity (6)

References Cited (45)