aprevo® Digital Segmentation

by Carlsmed  · Based in United States → — AI-powered 3D spine segmentation for personalized surgical planning.
Neurosurgery Orthopedics Radiology

Contact for pricing
Regulatory Status Disclosed

Overview

aprevo® Digital Segmentation by Carlsmed is an AI-enabled software application designed to segment bony structures of the spine from patient imaging data. It serves as the foundational digital component of the broader aprevo® personalized surgery platform, converting standard CT scans into precise, patient-specific 3D models of the spinal anatomy.

The software is designed for spine surgeons, neurosurgeons, and orthopedic surgeons operating in hospital and ambulatory surgical settings. It supports clinical workflows for both lumbar and cervical spinal fusion procedures.

In a typical clinical workflow, the software processes a patient’s CT scan to generate a detailed 3D anatomical model. Surgeons utilize this model to perform preoperative planning, customize spinopelvic alignment parameters, and design patient-specific, 3D-printed interbody fusion devices tailored to the individual’s unique anatomy.

Notable Capabilities:

  • AI-Driven Image Segmentation: Automates the identification and reconstruction of complex spinal bony structures from CT imaging.
  • Anatomical Modeling: Generates high-fidelity 3D spinal models to assist in preoperative visualization and surgical strategy formulation.
  • Workflow Integration: Connects directly with the myaprevo® ecosystem to transition digital plans into custom-manufactured, 3D-printed titanium implants delivered sterile to the operating room.

Reviewed by Pouyan Golshani, MD — Interventional Radiologist

Key Features

  • AI-based algorithm for automated spine segmentation
  • DICOM image input processing
  • Generation of 3D models of spinal structures
  • Tools for importing and visualizing medical images
  • Functionality to check and correct segmentations
  • Supports personalized surgical planning
  • Part of an integrated platform for patient-specific implant design

Use Cases

  • Digital image segmentation of lumbar and cervical spine anatomy
  • Creation of precise 3D anatomical models for surgical planning
  • Foundation for designing patient-specific spinal fusion implants
  • Pre-operative visualization and assessment of spinal deformities

What Physicians Need to Know

DICOM Support & Standards
aprevou00ae Digital Segmentation inputs DICOM images. It also supports standard imaging formats such as RAW, TIFF, BMP, and JPEG.
PACS Integration Method
While direct PACS integration details are not explicitly provided, the system inputs DICOM images and outputs a 3D model. The output can be reviewed as part of the workflow utilizing third-party software, suggesting a file-based transfer approach rather than direct PACS connectivity.
Reading Room Workflow Impact
The software is intended for trained, medically knowledgeable design personnel to import, visualize, segment, check, and correct medical image segmentations, and create digital 3D models of the spine. The aprevou00ae platform integrates into pre-operative, intra-operative, and post-operative workflows, supporting comprehensive surgical planning and execution.
AI Model Architecture (deep learning approach)
aprevou00ae Digital Segmentation utilizes an AI-based algorithm to segment spine structures and render 3D models. The aprevou00ae planning software combines AI-enabled segmentation with prior outcomes data to develop personalized surgical plans and leverages AI-driven systems to analyze post-operative surgical data.
FDA Clearance Pathway (510k/De Novo)
aprevou00ae Digital Segmentation received FDA 510(k) clearance (K231955) as a Class II medical device (21 CFR u00a7892.2050), with Mimics Medical (K183105) as its predicate device. The aprevou00ae technology has also received FDA Breakthrough Device designation for both lumbar and cervical spine disease.
Supported Modalities (CT/MRI/X-ray/US)
The tool primarily inputs DICOM images, specifically utilizing patient CT imaging studies to create precise 3D models of the spine for segmentation.
Sensitivity & Specificity Data
Performance evaluation showed accuracy of vertebral body labeling exceeding 90% overall, with sensitivity and specificity each exceeding 80%. The software's segmentation performance was also evaluated using an IOU (intersection over union) score, which exceeded the acceptance criteria of 80%.
RSNA/ACR Validation
While direct RSNA/ACR validation is not explicitly mentioned, clinical data supporting the aprevou00ae technology has been published in peer-reviewed journals such as Global Spine Journal and International Journal of Spine Surgery. Carlsmed also maintains the multicenter Clinical Outcome Measures in Personalized aprevo Spine Surgery (COMPASS) registry for ongoing evaluation.
Physician Tip

aprevou00ae Digital Segmentation is designed for trained medical personnel to enhance personalized surgical planning by leveraging AI-enabled segmentation and prior outcomes data. This tool aids in achieving precise alignment and predictable surgical outcomes, potentially leading to reduced revision rates and improved patient satisfaction. Users can review and correct segmentations, and the myaprevou00ae app provides detailed 3D plan visualizations to support intraoperative execution. The platform is integral to pre-operative, intra-operative, and post-operative workflows, enabling a tailored approach to spine surgery.

The aprevou00ae Digital Segmentation tool accepts DICOM images as input and generates 3D models as output. These outputs can be integrated and reviewed within the broader surgical workflow using third-party software. The system is part of the comprehensive aprevou00ae platform, which combines AI-enabled software and clinical intelligence to deliver personalized surgical strategies and preoperative planning, supporting an end-to-end digital surgery platform.

Details

Category Radiology & Imaging AI, Surgical AI
Pricing Contact for pricing
DeploymentNot specified
Compliance
BAA AvailableUnknown AI-estimated
HIPAA CompliantUnknown AI-estimated
FDA Status Yes AI-estimated

The aprevo® Digital Segmentation software received FDA 510(k) clearance (K231955) on November 3, 2023, as a Class II medical device (21 CFR §892.2050, Medical Image Management and Processing System). It is intended for trained medical design personnel to perform digital image segmentation of the spine, primarily lumbar anatomy, from DICOM images to output 3D models.

Integrations
EHR Not specified
Specialties Neurosurgery, Orthopedics, Radiology

What the Web Says

Carlsmed's aprevou00ae Digital Segmentation is an AI-enabled software platform that creates personalized 3D surgical plans and patient-specific spinal implants for fusion surgeries. It aims to improve surgical outcomes, reduce reoperations, and enhance patient quality of life by achieving precise anatomical fit and optimal alignment. The technology has received FDA clearance and breakthrough device designation for cervical use, with commercial launches expanding to various lumbar and cervical fusion procedures.

Overall: Positive

Strengths

  • Improved surgical outcomes and alignment compared to traditional methods.
  • Reduced complication-related reoperations.
  • Patient-specific implants designed for precise anatomical fit and optimal alignment.
  • AI-enabled preoperative planning and digital production system.
  • Seamless integration with surgical workflows and supports various spinal pathologies and approaches.
  • Potential for reduced healthcare costs due to fewer revisions.

Limitations

  • Early in clinical development with limited long-term evidence of efficacy and safety.
  • Unclear information regarding cost and insurance coverage.
  • Some comparisons to stock implant outcomes are based on previously published or separately reported clinical data rather than direct head-to-head studies.

Based on reviews from: Becker's Spine Review, Medical Device and Diagnostic industry, ODT Magazine, Quiver Quantitative, Carlsmed (carlsmed.com), FDA.report, Reddit, Personalized Spine, accessdata.fda.gov

Last updated: 2026-07-20

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Videos

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Frequently Asked Questions

aprevou00ae Digital Segmentation utilizes AI to convert patient CT scans into precise 3D models of the spine, enabling personalized surgical planning. This platform helps surgeons visualize and refine their alignment strategy pre-operatively, and the data is used to design patient-specific spinal implants.
aprevou00ae Digital Segmentation has received FDA clearance and Breakthrough Device designation for its use in personalized spinal fusion. As a user, you must comply with applicable FDA regulations, including those related to registration, listing, labeling, and medical device reporting.
aprevou00ae Digital Segmentation differentiates itself by combining AI-enabled segmentation with prior outcomes data to create personalized surgical plans and patient-specific implants, aiming for improved alignment and reduced reoperations. While other commercial and free segmentation software exist, aprevou00ae focuses on a comprehensive, personalized solution for spine fusion.
While specific pricing for the software isn't publicly detailed, procedures utilizing aprevou00ae personalized interbody implants have received CMS New Technology Add-On Payment (NTAP) for cervical fusion procedures, providing additional reimbursement to hospitals. This indicates a pathway for coverage and aims to mitigate financial burdens for hospitals using this innovative technology.
While highly advanced, AI segmentation can face challenges with highly pathological or non-uniform tissues, potentially requiring manual review and adjustment. The accuracy of the 3D models relies on the quality of the input DICOM images.
Given that aprevou00ae Digital Segmentation processes sensitive patient medical images (DICOM), it is designed to adhere to stringent healthcare data privacy regulations, such as HIPAA, to ensure the secure handling and protection of patient information. The platform focuses on utilizing this data to create precise 3D models for surgical planning while maintaining confidentiality.
aprevou00ae Digital Segmentation software is intended for use by trained, medically knowledgeable design personnel, implying that comprehensive training and ongoing support are provided by Carlsmed. This ensures that physicians and their staff can effectively and properly utilize the platform for personalized surgical planning and implant design.

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Suggest an Edit → | Last Verified: 2026-04-20 | First Added: 2026-04-20

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