IP Library Granted Patent US 12,514,645
Granted Patent B2
US 12,514,645 · App. 19/082,028 · Granted Jan 6, 2026

Systems and methods for assisting and augmenting surgical procedures

Inventors: Jeffrey Roh (Seattle, WA); Justin Esterberg (Mercer Island, WA)
Assignee: Carlsmed, Inc.
A61B34/10A61B5/743A61B5/7435A61B5/748A61B34/20A61B34/25A61B90/37G06N20/00G06T7/73G06T19/006G16H20/40G16H40/63G16H50/00A61B2034/102A61B2034/105A61B2034/107A61B2034/108A61B2034/256A61B2090/365G06N5/01G06T2207/10072G06T2207/10116G06T2207/20084G06T2207/30012
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Quick Facts
Patent No.
US 12,514,645
App. No.
19/082,028
Filed
Mar 17, 2025
Granted
Jan 6, 2026
Kind
B2
Art Unit
2664
USPC
382/128
Abstract

Systems and methods for providing assistance to a surgeon during an implant surgery are disclosed. A method includes defining areas of interest in diagnostic data of a patient and defining a screw bone type based on the surgeon's input. Post defining the areas of interest, salient points are determined for the areas of interest. Successively, an XZ angle, an XY angle, and a position entry point for a screw are determined based on the salient points of the areas of interest. Successively, a maximum screw diameter and a length of the screw are determined based on the salient points. Thereafter, the screw is identified and suggested to the surgeon for usage during the implant surgery.

Claims (95)

1 . A computer-implemented method comprising:

displaying, via at least one user device, a personalized surgical plan for implanting a first implant along a spine of a patient, wherein the personalized surgical plan includes

a virtual anatomical model of a portion of the patient;

sending, from the at least one user device, user first input for the personalized surgical plan;

displaying, via the at least one user device, a modified personalized surgical plan generated by a machine-learning model trained on historical patient data, wherein the machine-learning model generates the modified personalized surgical plan based on the user first input, wherein the modified personalized surgical plan includes

a modified virtual anatomical model of the portion of the patient, and

a second implant different from the first implant, wherein the second implant is shown positioned along the modified virtual anatomical model; and

sending, from the at least one user device, user second input for the modified personalized surgical plan.

2 . The computer-implemented method of claim 1 , wherein the modified virtual anatomical model represents an anatomical correction to the patient, and wherein the user second input includes at least one of

a user approval for the modified personalized surgical plan, or

a user modification to the modified personalized surgical plan.

3 . The computer-implemented method of claim 1 , wherein at least one of the first implant or the second implant is an intervertebral cage, a rod, or a fusion device.

4 . The computer-implemented method of claim 1 , wherein at least one of the first implant or the second implant is designed using a patient-specific virtual model fitting process, and wherein the virtual anatomical model includes segmented anatomical elements corresponding to anatomical elements in one or more images of the patient.

5 . The computer-implemented method of claim 1 , further comprising displaying, via the at least one user device, spinopelvic parameter information of the patient and at least one annotated image of the patient.

6 . The computer-implemented method of claim 1 , further comprising receiving virtual implantation simulation data using the modified virtual anatomical model.

7 . The computer-implemented method of claim 1 , wherein displaying the modified personalized surgical plan is performed by displaying one or more annotated images of the modified virtual anatomical model of the spine of the patient for review by a user, wherein the one or more annotated images includes at least one measurement of anatomical features of the patient.

8 . The computer-implemented method of claim 1 , further comprising displaying

one or more annotated anatomical images of the personalized surgical plan for evaluating treatment of the spine of the patient, and

implant design criteria associated with the personalized surgical plan.

9 . The computer-implemented method of claim 1 , further comprising receiving, via the at least one user device, abnormality analytics from a spine network of a remote computing system, the abnormality analytics quantifying one or more anatomical features of the patient.

10 . The computer-implemented method of claim 1 , wherein the user first input includes at least one of

a target measurement for a target outcome of the spine of the patient, or

a characteristic of an anatomical feature of the spine of the patient.

11 . The computer-implemented method of claim 1 , further comprising:

obtaining one or more implant parameters; and

displaying the second implant with the one or more implant parameters for achieving anatomical correction represented by the modified virtual anatomical model.

12 . A system comprising:

one or more processors; and

one or more memories storing instructions that, when executed by the one or more processors, cause the system to perform a process comprising:

displaying, via at least one user device, a personalized surgical plan for implanting a first implant along a spine of a patient, wherein the personalized surgical plan includes

a virtual anatomical model of a portion of the patient;

sending, from the at least one user device, user first input for the personalized surgical plan;

displaying, via the at least one user device, a modified personalized surgical plan generated by a machine-learning model trained on historical patient data, wherein the machine-learning model generates the modified personalized surgical plan based on the user first input, wherein the modified personalized surgical plan includes

a modified virtual anatomical model of the portion of the patient, and

a second implant different from the first implant, wherein the second implant is shown positioned along the modified virtual anatomical model; and

sending, from the at least one user device, user second input for the modified personalized surgical plan.

13 . The system of claim 12 , wherein the modified virtual anatomical model represents an anatomical correction to the patient, and wherein the user second input includes at least one of

a user approval for the modified personalized surgical plan, or

a user modification to the modified personalized surgical plan.

14 . The system of claim 12 , wherein at least one of the first implant or the second implant is an intervertebral cage, a rod, or a fusion device.

15 . The system of claim 12 , wherein at least one of the first implant or the second implant is designed using a patient-specific virtual model fitting process, and wherein the virtual anatomical model includes segmented anatomical elements corresponding to anatomical elements in one or more images of the patient.

16 . The system of claim 12 , further comprising displaying, via the at least one user device, spinopelvic parameter information of the patient and at least one annotated image of the patient.

17 . The system of claim 12 , further comprising receiving virtual implantation simulation data using the modified virtual anatomical model.

18 . The system of claim 12 , wherein displaying the modified personalized surgical plan is performed by displaying one or more annotated images of the modified virtual anatomical model of the spine of the patient for review by a user, wherein the one or more annotated images includes at least one measurement of anatomical features of the patient.

19 . The system of claim 12 , further comprising displaying

one or more annotated anatomical images of the personalized surgical plan for evaluating treatment of the spine of the patient, and

implant design criteria associated with the personalized surgical plan.

20 . The system of claim 12 , wherein the personalized surgical plan includes

one or more images showing virtual positioning of the first implant and the second implant along the virtual anatomical model of the spine of the patient;

digitally measured one or more distances between vertebrae of the spine of the patient associated with a spinal deformity of the patient;

one or more user-adjustable dimensions of a virtual implant model of the first implant;

output from an analysis of the virtual anatomical model based on a user-designed virtual implant model of the first implant that has been virtually implanted along the virtual anatomical model; and

wherein the process further comprises receiving, via a graphical user interface displayed by the at least one user device, user input for interacting with a computer system programmed to design of the first implant.

21 . The system of claim 12 , wherein the patient has a spinal deformity and the first implant is a spinal implant, wherein the process further comprises

receiving, via a graphical user interface displayed by the at least one user device, acceptable outcome input from a user; and

sending, from the at least one user device, the acceptable outcome input for designing the spinal implant for treating the spinal deformity.

22 . A non-transitory computer-readable medium storing instructions that, when executed by a computing system, cause the computing system to perform operations comprising:

displaying, via at least one user device, a personalized surgical plan for implanting a first implant along a spine of a patient, wherein the personalized surgical plan includes

a virtual anatomical model of a portion of the patient;

sending, from the at least one user device, user first input for the personalized surgical plan;

displaying, via the at least one user device, a modified personalized surgical plan generated by a machine-learning model trained on historical patient data, wherein the machine-learning model generates the modified personalized surgical plan based on the user first input, wherein the modified personalized surgical plan includes

a modified virtual anatomical model of the portion of the patient, and

a second implant different from the first implant, wherein the second implant is shown positioned along the modified virtual anatomical model; and

sending, from the at least one user device, user second input for the modified personalized surgical plan.

23 . The non-transitory computer-readable medium of claim 22 , wherein the modified virtual anatomical model represents an anatomical correction to the patient, and wherein the user second input includes at least one of

a user approval for the modified personalized surgical plan, or

a user modification to the modified personalized surgical plan.

24 . The non-transitory computer-readable medium of claim 22 , wherein at least one of the first implant or the second implant is an intervertebral cage, a rod, or a fusion device.

25 . The non-transitory computer-readable medium of claim 22 , wherein at least one of the first implant or the second implant is designed using a patient-specific virtual model fitting process, and wherein the virtual anatomical model includes segmented anatomical elements corresponding to anatomical elements in one or more images of the patient.

26 . The non-transitory computer-readable medium of claim 22 , further comprising displaying, via the at least one user device, spinopelvic parameter information of the patient and at least one annotated image of the patient.

27 . The non-transitory computer-readable medium of claim 22 , further comprising receiving virtual implantation simulation data using the modified virtual anatomical model.

28 . The non-transitory computer-readable medium of claim 22 , wherein displaying the modified personalized surgical plan is performed by displaying one or more annotated images of the modified virtual anatomical model of the spine of the patient for review by a user, wherein the one or more annotated images includes at least one measurement of anatomical features of the patient.

29 . The non-transitory computer-readable medium of claim 22 , further comprising displaying

one or more annotated anatomical images of the personalized surgical plan for evaluating treatment of the spine of the patient, and

implant design criteria associated with the personalized surgical plan.

30 . A computer-implemented method comprising:

sending, from at least one user device, user first input for planning a surgical procedure for a patient;

displaying, via the at least one user device, a personalized surgical plan for the surgical procedure, wherein the personalized surgical plan is generated by a machine-learning model that has been trained on historical patient data, wherein the machine-learning model generates the personalized surgical plan based on the user first input, wherein the personalized surgical plan includes

a virtual anatomical model of a portion of the patient based on the user first input,

a first implant shown positioned along the virtual anatomical model, and

a second implant shown positioned along the virtual anatomical model, wherein the second implant is different from the first implant; and

sending, from the at least one user device, user second input for at least one of accepting or modifying the personalized surgical plan.

31 . The computer-implemented method of claim 30 , wherein

the virtual anatomical model represents a section of a spine of the patient,

the first implant is a bone screw, and

the second implant is a rod.

32 . The computer-implemented method of claim 30 , wherein the virtual anatomical model is a three-dimensional model of a section of a spine of the patient, wherein the personalized surgical plan includes

one or more images showing virtually positioning the first implant and the second implant along the virtual anatomical model of the spine of the patient;

digitally measured one or more distances between vertebrae associated with a spinal deformity of the patient;

one or more user-adjustable dimensions of a virtual implant model of the first implant;

output from an analysis of the virtual anatomical model based on the virtual implant model that has been virtually implanted along the virtual anatomical model; and

wherein the computer-implemented method further comprises receiving, via a graphical user interface displayed by the at least one user device, user input to interact with a computer system programmed to design the first implant.

33 . The computer-implemented method of claim 30 , wherein the patient has a spinal deformity and the first implant is a spinal implant, wherein the computer-implemented method further comprises

receiving, via a graphical user interface displayed by the at least one user device, acceptable outcome input from a user; and

sending, from the at least one user device, the acceptable outcome input for designing the first implant for treating the spinal deformity using the spinal implant.

Assignments (3)
CORRECTIVE ASSIGNMENT TO CORRECT THE PREVIOUSLY RECORDED ASSIGNMENT TO CORRECT THE RECEIVING PARTIES NAME FROM "PRECISION SURGICAL, INC." TO "PRECISIVE SURGICAL, INC." PREVIOUSLY RECORDED ON REEL 71774 FRAME 659. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT . Recorded Jul 31, 2025
From: ROH, JEFFREY; ESTERBERG, JUSTIN
To: PRECISIVE SURGICAL, INC.
Reel/Frame 072296/0363 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 21, 2025
From: ROH, JEFFREY; ESTERBERG, JUSTIN
To: PRECISION SURGICAL, INC.
Reel/Frame 071774/0659 →
MERGER Recorded Jul 21, 2025
From: PRECISIVE SURGICAL, INC.
To: CARLSMED, INC.
Reel/Frame 071774/0802 →
Continuity (7)
Continuation 18386235 · Nov 1, 2023
Continuation 17899370 · Aug 30, 2022
Continuation 17702591 · Mar 23, 2022
Continuation 17497546 · Oct 8, 2021
Continuation 16048167 · Jul 27, 2018
Provisional Application 62537869 · Jul 27, 2017
Related Publication 20250213308A1 · Jul 3, 2025
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