Aplio a550

by Canon Medical Systems  · Based in Japan → — Intelligent healthcare made easy
Gastroenterology Obstetrics & Gynecology Radiology

Regulatory Status Disclosed

Overview

The Aplio a550 by Canon Medical Systems is a multipurpose diagnostic ultrasound system designed to deliver high-resolution imaging and advanced quantitative tools for routine clinical environments. Built on the proprietary aBeam architecture, the system integrates multiple imaging technologies to optimize signal penetration, reduce artifacts, and maintain image uniformity across diverse patient types.

This system is engineered for a wide range of clinical specialties and care settings, including:

  • General Radiology & Shared Services: Supports routine abdominal, musculoskeletal, and small parts examinations.
  • Cardiology & Vascular: Provides dedicated tools such as Strain Imaging (Wall Motion Tracking) and AutoEF to assess cardiac function.
  • Women’s Health: Facilitates high-resolution 2D and volumetric obstetric and gynecological imaging.

The Aplio a550 integrates into clinical workflows through its iSense ergonomic design, featuring a highly adjustable console, a fully articulating monitor arm, and programmable user interfaces to reduce physical strain on sonographers. For diagnostic precision, the platform features Superb Micro-vascular Imaging (SMI) for detailed microvascular flow visualization, Attenuation Imaging (ATI) for quantitative liver steatosis assessment, and Shear Wave Elastography (SWE) to measure tissue stiffness in real time. Embedded raw data functionality also allows clinicians to optimize and analyze patient scans offline on the console or an external workstation.

Reviewed by Pouyan Golshani, MD — Interventional Radiologist

Key Features

  • AI-assisted productivity functions and AI-driven algorithms for imaging workflow
  • Deep Learning-empowered Smart Area Indication applications for OB
  • Automatic identification of anatomical structures for measurements and fusion applications
  • Automated AI-powered detection and measurement for improved workflow consistency and efficiency
  • High-definition imaging with technologies like Precision+, ApliPure+, Differential Tissue Harmonics
  • Superb Micro-vascular Imaging (SMI) for detailed blood flow visualization
  • Shear wave technology for quantitative tissue elasticity measurement
  • Attenuation Imaging (ATI) for quantitative assessment of liver steatosis
  • Contrast Enhanced Ultrasound (CEUS) imaging and quantification
  • Smart Fusion Imaging for synchronizing live ultrasound with pre-loaded CT, MRI, or PET data
  • Ergonomic design with flexible panel height adjustment, lateral slide, and articulating monitor arm
  • Embedded raw data functionality for offline optimization, review, analysis, and reporting
  • Tricefy option for cloud-based communication, image management, and documentation

Use Cases

  • Routine diagnostic ultrasound imaging across multiple body regions
  • Advanced lesion assessment and characterization
  • Quantitative assessment of tissue elasticity and liver steatosis
  • Guidance for interventional procedures (intra-operative)
  • Specialized imaging for women's health and cardiology
  • Enhanced visualization of microvascular flow

What Physicians Need to Know

DICOM Support & Standards
The Aplio a550 supports DICOM format for image data and offers interoperability with DICOM/IHE compliant hospital networks. DICOM Conformance Statements are available for various software versions. It provides flexibility by allowing images to be sent to PACS as RAW data or standard DICOM.
PACS Integration Method
The system seamlessly connects to hospital networks and can also integrate with a local NAS for secure data storage and sharing. Its Smart Fusion feature merges real-time ultrasound with previously acquired CT, MR, or PET DICOM data for comprehensive evaluation.
Reading Room Workflow Impact
The Aplio a550 features AI-assisted productivity functions, a programmable and context-sensitive user interface, and AI-driven single-click smart functions to optimize workflow. AI-assisted measurements automatically identify anatomical structures for quicker and more consistent results. Specific AI-enabled features like Auto EF, Auto Doppler Measurements, and auto-plane recognition in 2D Wall Motion Tracking aim to streamline cardiac ultrasound exams. A Workflow Navigator is also available.
AI Model Architecture (deep learning approach)
The system incorporates Deep Learning-empowered Smart Area Indication applications for OB to help identify standard anatomical views. It utilizes smart, AI-driven algorithms for various functions, including automated detection and measurements.
FDA Clearance Pathway (510k/De Novo)
The Aplio a550 (Model CUS-AA550) is a mobile diagnostic ultrasound system that has received 510(k) premarket notification clearance, indicating substantial equivalence to legally marketed predicate devices.
Supported Modalities (CT/MRI/X-ray/US)
The Aplio a550 is a diagnostic ultrasound (US) system. Its Smart Fusion feature allows it to merge real-time ultrasound images with previously acquired CT, MRI, or PET data for enhanced diagnostic capabilities.
RSNA/ACR Validation
The Aplio a550 supports LI-RADS, BI-RADS, and TI-RADS checklists, which are based on American College of Radiology (ACR) guidelines, for standardizing the characterization of liver, breast, and thyroid lesions.
Physician Tip

Leverage the Aplio a550's AI-assisted features, such as Smart Area Indication for OB and automated measurements, to streamline your workflow and enhance consistency. Utilize the Smart Fusion imaging to integrate prior CT, MRI, or PET data with real-time ultrasound for a more comprehensive assessment, especially in complex cases. The system's advanced elastography and CEUS capabilities, along with ACR guideline-based checklists (LI-RADS, BI-RADS, TI-RADS), can significantly boost diagnostic confidence and standardize reporting. For cardiovascular imaging, the AI-enabled Auto EF and Auto Doppler Measurements can provide rapid and reproducible functional assessments.

The Aplio a550 offers robust DICOM and IHE interoperability, ensuring seamless integration into existing hospital networks and PACS. The ability to send both RAW data and standard DICOM provides flexibility for post-processing and storage. For facilities without extensive hospital networks, the option to connect with a local NAS ensures secure data management. Smart Fusion's ability to import and synchronize external DICOM data (CT, MR, PET) is a key integration highlight, facilitating multi-modality correlation directly on the ultrasound system.

Details

Category Radiology & Imaging AI
Pricing Unknown
DeploymentOn-platform (cart-based) mobile diagnostic ultrasound system
Compliance
BAA AvailableUnknown AI-estimated
HIPAA CompliantUnknown AI-estimated
FDA Status 1 AI-estimated

The Aplio a550, Aplio a450, and Aplio a Diagnostic Ultrasound System, Software V6.5, received FDA 510(k) clearance (K212960) on March 22, 2022, as a Class II medical device for various clinical applications.

Integrations
EHR Not specified
Specialties Gastroenterology, Obstetrics & Gynecology, Radiology

What the Web Says

The Canon Aplio a550 is a diagnostic ultrasound system generally well-regarded by physicians and sonographers for its high-end image quality, advanced applications, and user-friendly design. It's designed to enhance productivity and clinical confidence across a wide range of clinical specialties, from routine imaging to more complex interventions.

Overall: Positive

Strengths

  • High-end image quality with advanced penetration and reduced artifacts.
  • Intelligent workflow support and automation tools, including AI-assisted functions, for rapid and consistent results.
  • Ergonomic design with adjustable console and articulating monitor arm to reduce operator stress.
  • Wide range of advanced applications for various clinical needs, including iSMI, Differential Tissue Harmonics, AutoEF, and Strain Imaging.
  • Context-sensitive user interface and tablet-style touchscreen for simpler and quicker imaging tasks.
  • Seamless integration into hospital networks and options for local NAS storage.

Limitations

  • Lack of post-processing capabilities compared to some competitors like GE machines.
  • Limited user reviews available on public platforms like Reddit, G2, or Capterra, making it difficult to gauge widespread user sentiment outside of promotional materials and a few direct physician testimonials.
  • Some older reviews from a specific vendor show a mixed sentiment with a 2.8-star rating out of 5, though this is based on a very small number of reviews.

Based on reviews from: Justdial, Canon Medical System, DAIC, Applied Radiology, Vomark Technologies, accessdata.fda.gov, Scribd, Reddit (r/Sonographers, r/FamilyMedicine, r/Ultrasound), YouTube (Canon Medical Aplio a-series Ultrasound, Prof. Antonia Testa - User Experience - Canon UL Aplio i-series/Prism Edition)

Last updated: 2026-07-17

Ratings & Reviews

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Ease of Use
Integration
Support & Docs
Value for Money

Press & Coverage

RAD Magazine
Cardiff and Vale University Health Board extends ultrasound MES to 2031
Cardiff and Vale University Health Board has renewed its managed equipment service contract with Canon Medical Systems UK until 2031, which includes the Aplio a550 among other ultrasound systems. The new equipment will support various departments and specialties, with a focus on radiology, obstetrics and gynecology, and fetal medicine.
2025-02
Journal of Medical Ultrasonics (2001)
Diagnostic performance of two-dimensional shear wave elastography and attenuation imaging for fibrosis and steatosis assessment in chronic liver disease
This peer-reviewed article discusses the diagnostic performance of two-dimensional shear wave elastography and attenuation imaging for assessing fibrosis and steatosis in chronic liver disease, utilizing both the Canon Aplio a550 and Aplio i700 ultrasound systems. The study found comparable results between the two devices for LSM-SWE, indicating their effectiveness in liver assessment.
2025-05
Medicine
Improvement in small-bowel and colonic lesions observed by intestinal ultrasonography in Crohn's disease treated with risankizumab
This retrospective study, published in Medicine, investigated the improvement of small-bowel and colonic lesions in Crohn's disease patients treated with risankizumab, using the Aplio a550 for intestinal ultrasonography examinations. The examinations were performed by radiological technologists to evaluate changes in bowel wall thickness and vascularity over several weeks.
2024-05
accessdata.fda.gov
Aplio a550, Aplio a450, and Aplio a, Diagnostic Ultrasound System - accessdata.fda.gov
This FDA document details the substantial equivalence of the Aplio a550, Aplio a450, and Aplio a Diagnostic Ultrasound System, Software V6.5, to previous versions. It outlines the intended uses for various clinical applications and confirms the device's safety and effectiveness based on testing and software validation.
2022-03
MDPI
Cadaveric and Ultrasound Validation of Percutaneous Electrolysis Approaches at the Arcade of Frohse: A Potential Treatment for Radial Tunnel Syndrome - MDPI
This study utilized an Aplio a550 (CUS-A500) Canon device with a 14 MhZ superficial linear transducer for ultrasound-guided percutaneous needle interventions targeting the supinator muscle. The research aimed to validate percutaneous electrolysis approaches as a potential treatment for radial tunnel syndrome.
2022-02
Biomedical Safety & Standards
Canon Aplio Ultrasound System : Biomedical Safety & Standards - Ovid
A Class II recall was issued for Canon Aplio Ultrasound Systems, including the Aplio a550, due to a software issue where the stress echo may not terminate correctly, potentially leading to images being assigned to the wrong patient or treatment delays. The recall began in September 2022 and affected 65 units.
2023-02
accessdata.fda.gov
Canon Medical Systems Corporation - accessdata.fda.gov
This FDA document from October 2020 details the Aplio a550, Aplio a450, and Aplio a Diagnostic Ultrasound System, Software V5.1, highlighting new features like LI-RADS Checklist, Workflow Navigator, and Smart Optimization. The system is indicated for a wide range of clinical applications including fetal, abdominal, cardiac, and musculoskeletal imaging.
2020-10
unknown
Canon Medical adds capabilities to Aplio a-series ultrasound platform
In December 2019, Canon Medical Systems USA, Inc. announced software enhancements and new transducers for its Aplio a-series ultrasound platform, including the Aplio a550. The update introduced Attenuation Imaging (ATI) to the Aplio a550, a technology for assessing liver attenuation often associated with fatty or inflammatory liver disease.
2019-12

Videos

Product demos, reviews, and walkthroughs for Aplio a550.

View all on YouTube

Frequently Asked Questions

The Aplio a550 integrates AI-driven algorithms, part of Canon's Altivity innovation, to streamline workflows and provide fast, accurate results. It offers AI-assisted productivity functions like Deep Learning-empowered Smart Area Indication for OB, automatic anatomical structure identification for measurements, and single-click automated detection to improve consistency and efficiency.
The Aplio a550 diagnostic ultrasound system, including various software versions incorporating AI-assisted features, has received FDA 510(k) clearance. Physicians should note that while these AI tools are regulatory cleared as aids, clinical judgment remains essential, and regional product availability may vary due to medical device regulations.
While the Aplio a550's AI enhances workflow and image analysis, it functions as a supportive tool to improve efficiency and consistency, not to replace clinical expertise. Physicians must exercise their professional judgment in interpreting results, as AI algorithms are based on trained data and require human oversight, especially in complex or atypical cases. Specific limitations regarding AI diagnostic accuracy or potential biases are not extensively detailed in public information, but are general considerations for any AI in healthcare.
Several manufacturers offer AI-enabled ultrasound systems that could be considered alternatives to the Aplio a550. Key players in the ultrasound AI market include Philips Healthcare, GE Healthcare (e.g., Logiq, Voluson lines), and Siemens Healthineers (e.g., ACUSON series). Other notable brands with AI integration include Fujifilm Sonosite, Butterfly Network, and Samsung Medison.
The Aplio a550 is positioned as a mid-range system, with its advanced features, including AI, contributing to its overall cost. The average price for a new system is around $21,975, with a range of $19,470 - $25,666, and used systems can be found for less. Its cost-effectiveness is driven by enhanced workflow efficiency, reduced scan times, and improved diagnostic confidence, potentially leading to higher patient throughput and better clinical outcomes.
The Aplio a550 supports interoperability with DICOM/IHE standards for secure image management and documentation, and offers a system-integrated Tricefy option for cloud-based communication and sharing of medical images and reports. While specific details on AI data processing and privacy are not extensively detailed, adherence to these industry standards and Canon's product security information indicate a focus on protecting patient data.
Canon Medical's 'Altivity' approach signifies continuous AI innovation, utilizing deep learning-empowered applications like Smart Area Indication. While specific training methodologies are proprietary, the system's software is periodically updated, as evidenced by FDA clearances for new software versions that introduce advanced imaging technologies and AI enhancements.

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Suggest an Edit → | Last Verified: 2026-04-17 | First Added: 2026-04-17
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