# US 12,178,517 B2 · Methods, systems and devices for pre-operatively planned adaptive glenoid implants

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 12,178,517 B2
- Document ID: US12178517B2
- Status: Granted
- Kind: B2
- Application number: 18/440,820
- Filed: 2024-02-13
- Published: 2024-06-06
- Granted: 2024-12-31
- Earliest claimed: 2013-11-08
- Assignees: Stryker European Operations Limited
- Applicants: Stryker European Operations Limited
- Inventors: Jean Chaoui
- Web page: https://patentgrep.com/patent/US12178517B2

## CPC

- A61B 34/10: Computer-aided planning, simulation or modelling of surgical operations
- A61B 90/361: {Image-producing devices, e.g. surgical cameras}
- A61F 2/30942: {for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques}
- A61F 2/4081: {Glenoid components, e.g. cups}
- A61B 2034/107: {Visualisation of planned trajectories or target regions}
- A61F 2002/30736: {Augments or augmentation pieces, e.g. wedges or blocks for bridging a bone defect}
- A61F 2002/30878: {with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts}
- A61F 2002/30884: {Fins or wings, e.g. longitudinal wings for preventing rotation within the bone cavity}
- A61F 2002/30948: {using computerized tomography, i.e. CT scans}
- A61F 2002/4632: {using computer-controlled surgery, e.g. robotic surgery}
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)
- A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C)

## Abstract

Methods, systems and devices for pre-operatively planned shoulder surgery guides and implants. Pre-operative planning methods for designing glenoid implants and prostheses, particularly with patient-specific augmentation, based on considerations of multiple factors affecting the outcome of shoulder surgery. Methods of using surgery guides and implants, including adaptive glenoid implants, in patients undergoing shoulder surgery.

## Claims

### Claim 1

A computing system comprising:
memory storing computer executable instructions; and
one or more processors configured to:
generate a virtual model of a glenoid bone of a patient and a virtual model of a glenoid implant;
send instructions to an output device of a user to cause the output device to display the model of the glenoid implant with respect to the model of the glenoid bone;
perform virtual pre-operative analysis based on one or more of user input of the user or execution of the computer executable instructions to augment the model of the glenoid implant, wherein to augment the model of the glenoid implant, the one or more processors are configured to one or more of:
align the model of the glenoid implant with the model of the glenoid bone;
adjust a retroversion of the model of the glenoid implant;
adjust an inferior tilt of the model of the glenoid implant;
evaluate bone support based on the model of the glenoid implant with respect to the model of the glenoid bone;
adjust a medialization of the model of the glenoid implant; or
adjust a width of the model of the glenoid implant corresponding to a width of the model of the glenoid bone; and
generate a virtual model of a final glenoid implant for the patient based on the virtual pre-operative analysis.

### Claim 2 (depends on 1)

The system of claim 1, wherein to perform the virtual pre-operative analysis, the one or more processors are configured to send instructions to the output device of the user to display simulations of one or more augments to the model of the glenoid implant corresponding to the virtual pre-operative analysis.

### Claim 3 (depends on 1)

The system of claim 1, wherein to generate the model of the glenoid bone, the one or more processors are configured to generate the model of the glenoid bone based on images taken of the patient.

### Claim 4 (depends on 3)

The system of claim 3, wherein the images taken of the patient comprise one or more of computed tomography (CT) images, x-ray images, positron emission tomography (PET) images, or ultrasound images.

### Claim 5 (depends on 1)

The system of claim 1, wherein the model of the glenoid bone and the model of the glenoid implant comprise three dimensional (3D) virtual models.

### Claim 6 (depends on 1)

The system of claim 1, wherein to evaluate the bone support based on the model of the glenoid implant with respect to the model of the glenoid bone, the one or more processors are configured to determine a seating of the model of the glenoid implant with respect to the model of the glenoid bone.

### Claim 7 (depends on 6)

The system of claim 6, wherein the one or more processors are configured to send instructions to the output device of the user to display an indication of the seating of the model of the glenoid implant with respect to the model of the glenoid bone.

### Claim 8 (depends on 1)

The system of claim 1, wherein the one or more processors are further configured to select a size of the glenoid implant from a range of sizes based on one or more of user input of the user or execution of the computer executable instructions.

### Claim 9 (depends on 1)

The system of claim 1, wherein the one or more processors are further configured to:
generate a virtual model of one of a natural humeral head or a humeral head implant; and
send instructions to the output device of the user to cause the output device to display the model of the one of the natural humeral head or the humeral head implant with respect to the model of the glenoid implant.

### Claim 10 (depends on 9)

The system of claim 9, wherein to augment the model of the glenoid implant, the one or more processors are further configured to perform a virtual range of motion analysis, wherein to perform the virtual range of motion analysis the one or more processors are configured to virtually position the model of the glenoid implant and the model of the humeral head to simulate a plurality of different ranges of motion.

### Claim 11

A method comprising:
generating, by one or more processors of a computing system, a virtual model of a glenoid bone of a patient and a virtual model of a glenoid implant;
sending, by the one or more processors, instructions to an output device of a user to cause the output device to display the model of the glenoid implant with respect to the model of the glenoid bone;
performing, by the one or more processors, virtual pre-operative analysis based on one or more of user input of the user or execution of computer executable instructions stored by a memory of the computing system to augment the model of the glenoid implant, wherein augmenting the model of the glenoid implant comprises one or more of:
aligning the model of the glenoid implant with the model of the glenoid bone;
adjusting a retroversion of the model of the glenoid implant;
adjusting an inferior tilt of the model of the glenoid implant;
evaluating bone support based on the model of the glenoid implant with respect to the model of the glenoid bone;
adjusting a medialization of the model of the glenoid implant; or
adjusting a width of the model of the glenoid implant corresponding to a width of the model of the glenoid bone; and
generating, by the one or more processors, a virtual model of a final glenoid implant for the patient based on the virtual pre-operative analysis.

### Claim 12 (depends on 11)

The method of claim 11, wherein performing the virtual pre-operative analysis comprises sending instructions to the output device of the user to display simulations of one or more augments to the model of the glenoid implant corresponding to the virtual pre-operative analysis.

### Claim 13 (depends on 11)

The method of claim 11, wherein generating the model of the glenoid bone comprises generating the model of the glenoid bone based on images taken of the patient, wherein the images taken of the patient are one or more of computed tomography (CT) images, x-ray images, positron emission tomography (PET) images, or ultrasound images.

### Claim 14 (depends on 11)

The method of claim 11, wherein the model of the glenoid bone and the model of the glenoid implant comprise three dimensional (3D) virtual models.

### Claim 15 (depends on 11)

The method of claim 11, wherein evaluating bone support based on the model of the glenoid implant with respect to the model of the glenoid bone comprises determining, by the one or more processors, a seating of the model of the glenoid implant with respect to the model of the glenoid bone.

### Claim 16 (depends on 15)

The method of claim 15, further comprising sending, by the one or more processors, instructions to the output device of the user to display an indication of the seating of the model of the glenoid implant with respect to the model of the glenoid bone.

### Claim 17 (depends on 11)

The method of claim 11, further comprising selecting, by the one or more processors, a size of the glenoid implant from a range of sizes based on one or more of user input of the user or execution of the computer executable instructions.

### Claim 18 (depends on 11)

The method of claim 11, further comprising:
generating, by the one or more processors, a virtual model of one of a natural humeral head or a humeral head implant; and
sending, by the one or more processors, instructions to the output device of the user to cause the output device to display the model of the one of the natural humeral head or the humeral head implant with respect to the glenoid implant.

### Claim 19 (depends on 18)

The method of claim 18, wherein augmenting the model of the glenoid implant further comprises performing a virtual range of motion analysis, wherein performing the virtual range of motion analysis comprises virtually positioning the model of the glenoid implant and the model of the humeral head to simulate a plurality of different ranges of motion.

### Claim 20

A non-transitory computer-readable storage medium comprising instructions that, when executed, cause one or more processors of a computing system to:
generate a virtual model of a glenoid bone of a patient and a virtual glenoid implant;
send instructions to an output device of a user to cause the output device to display the model of the glenoid implant with respect to the model of the glenoid bone;
perform virtual pre-operative analysis based on one or more of user input of the user or execution of the instructions to augment the model of the glenoid implant, wherein to augment the model of the glenoid implant, the instructions cause the one or more processors to one or more of:
align the model of the glenoid implant with the model of the glenoid bone;
adjust a retroversion of the model of the glenoid implant;
adjust an inferior tilt of the model of the glenoid implant;
evaluate bone support based on the model of the glenoid implant with respect to the model of the glenoid bone;
adjust a medialization of the model of the glenoid implant; or
adjust a width of the model of the glenoid implant corresponding to a width of the model of the glenoid bone; and
generate a model of a final glenoid implant for the patient based on the virtual pre-operative analysis.
