Granted Patent B2

US 12,268,608 · App. 17/816,777 · Granted Apr 8, 2025

Inventors: Alain Tornier (Saint Ismier, FR); Delphine Claire Michelle Henry (Saint Ismier, FR)

Assignee: Tornier SAS

A61F2/30942A61B34/10A61B90/36A61F2/4081A61F2/4612A61F2/4657G06T17/05G06T17/30A61B34/20A61B2034/2068A61F2002/30884A61F2002/30943A61F2002/30952A61F2002/4632A61F2002/4633A61F2002/4658G06T2210/41

Abstract

Claims (50)

1. A method comprising:

obtaining, by a computer, cartographic data from preoperative images of at least a portion of a degenerated glenoid surface of a patient;

generating, by the computer, a glenoid surface model based on the cartographic data of the portion of the degenerated glenoid surface of the patient, wherein the glenoid surface model is representative of a spatial implantation configuration of a glenoid component of a shoulder prosthesis for the patient;

determining, by the computer, a thickness in a medio-lateral direction of an upper part of the glenoid component based on the glenoid surface model and the cartographic data; and

sending, by the computer, instructions to one or more devices to cause the one or more devices to produce the glenoid component based on the determined thickness.

2. The method of claim 1 , wherein:

the preoperative images include preoperative images of an upper end of the glenoid surface,

obtaining the cartographic data comprises obtaining cartographic data from the preoperative images of the upper end of the glenoid surface; and

generating the glenoid surface model comprises generating, by the computer, the glenoid surface model from a spatial position of an upper reference point based on the cartographic data obtained from the preoperative images of the upper end of the glenoid surface.

3. The method of claim 2 , further comprising determining, by the computer, the upper reference point based on a point of the glenoid surface situated farthest up in relation to a scapula of the patient.

4. The method of claim 1 , wherein:

the preoperative images include preoperative images of a lower end of the glenoid surface,

obtaining the cartographic data comprises obtaining cartographic data from the preoperative images of the lower end of the glenoid surface, and

generating the glenoid surface model comprises generating, by the computer, the glenoid surface model from a spatial position of a lower reference point based on the cartographic data obtained from the preoperative images of the lower end of the glenoid surface.

5. The method of claim 4 , further comprising determining, by the computer, the lower reference point based on a point of the glenoid surface situated farthest down in relation to a scapula of the patient.

6. The method of claim 1 , further comprising:

determining, by the computer, a spatial position of a plane of implantation of the glenoid component; and

outputting, by the computer, the plane of implantation for display.

7. The method of claim 1 , further comprising outputting, by the computer, geometric characteristics of the glenoid surface model for display.

8. The method of claim 1 , further comprising outputting, by the computer, the glenoid surface model for display.

9. The method of claim 1 , wherein:

the preoperative images include preoperative images of a first degenerated area of the glenoid surface and preoperative images of a second degenerated area of the glenoid surface,

obtaining the cartographic data comprises:

obtaining cartographic data from the preoperative images of the first degenerated area of the glenoid surface; and

obtaining cartographic data from the preoperative images of the second degenerated area of the glenoid surface,

generating the glenoid surface model comprises generating, by the computer, the glenoid surface model based on the cartographic data obtained from the preoperative images of the first degenerated area of the glenoid surface; and

the glenoid surface model is representative of the spatial implantation configuration of a portion of the glenoid component corresponding to the second degenerated area of the glenoid surface, wherein the second degenerated area of the glenoid surface is more degenerated than the first degenerated area of the glenoid surface.

10. The method of claim 9 , wherein generating the glenoid surface model comprises generating, by the computer, the glenoid surface model based on the cartographic data obtained from the preoperative images of the second degenerated area of the glenoid surface and the cartographic data obtained from the preoperative images of the first degenerated area of the glenoid surface.

11. The method of claim 9 , further comprising determining, by the computer, a spatial position of a plane of implantation of the glenoid component which passes through the first degenerated area of the glenoid surface and the second degenerated area of the glenoid surface.

12. The method of claim 1 , where determining the thickness of the upper part of the glenoid component comprises determining, by the computer, the thickness of the upper part of the glenoid component from the cartographic data corresponding to an upper surface part of the glenoid surface.

13. The method of claim 1 , wherein the glenoid component is metal or plastic and wherein producing the glenoid component includes casting the glenoid component.

14. A surgical system comprising:

a computer configured to:

obtain cartographic data from preoperative images of at least a portion of a degenerated glenoid surface of a patient;

generate a glenoid surface model based on the cartographic data of the portion of the degenerated glenoid surface of the patient, wherein the glenoid surface model is representative of a spatial implantation configuration of a glenoid component of a shoulder prosthesis for the patient;

determine a thickness in a medio-lateral direction of an upper part of the glenoid component based on the glenoid surface model and the cartographic data; and

send instructions to one or more devices to cause the one or more devices to produce the glenoid component based on the determined thickness.

15. The surgical system of claim 14 , wherein:

the preoperative images include preoperative images of an upper end of the glenoid surface,

the computer is configured to, as part of obtaining the cartographic data, obtain cartographic data from the preoperative images of the upper end of the glenoid surface and

the computer is configured to generate the glenoid surface model from a spatial position of an upper reference point based on the cartographic data obtained from the preoperative images of the upper end of the glenoid surface.

16. The surgical system of claim 15 , wherein the computer is further configured to determine the upper reference point based on a point of the glenoid surface situated farthest up in relation to a scapula of the patient.

17. The surgical system of claim 14 , wherein:

the preoperative images include preoperative images of a lower end of the glenoid surface,

the computer is configured to, as part of obtaining the cartographic data, obtain cartographic data from the preoperative images of the lower end of the glenoid surface, and

the computer is configured to generate the glenoid surface model from a spatial position of a lower reference point based on the cartographic data obtained from the preoperative images of the lower end of the glenoid surface.

18. The surgical system of claim 14 , wherein the computer is further configured to:

determine a spatial position of a plane of implantation of the glenoid component; and

output the plane of implantation for display.

19. The surgical system of claim 14 , further comprising the one or more devices for casting and machining the glenoid component.

Assignments (1)

Priority Claims (1)

Continuity (4)

References Cited (400)