What 4DX does

4DMedical is a Melbourne-headquartered medical technology company that develops software products for functional lung imaging and analysis based on its proprietary XV Technology platform. The company's core offering enables clinicians to extract quantitative lung function information — including ventilation, perfusion, density, volume, and texture metrics — from standard X-ray and CT scans without requiring contrast injections or specialized imaging procedures. Its product suite includes CT:VQ (FDA-cleared non-contrast ventilation-perfusion analysis), CAC (coronary artery calcification), CT LVAS, IQ-UIP (early idiopathic pulmonary fibrosis detection), LDAf, LDAi, LTA, PHA, and XV LVAS, alongside Companion Imaging software and the XV Scanner research hardware. Software is sold via quote-based enterprise subscription licensing to hospitals, health systems, radiology departments, and clinical research institutions, with notable strategic positioning around VA hospitals under the US PACT Act for veterans with toxic-exposure-related respiratory conditions.

The company generates revenue primarily through enterprise site licensing of its FDA-cleared medical imaging software, sold via a direct enterprise field-sales motion targeting healthcare providers, pulmonologists, and radiology departments, with quote-based annual or multi-year contracts typical of medical device software. Distribution occurs through direct clinical sales representatives, augmented by industry conference presence (SIIM, Florida Radiological Society) and a marketing partnership with Philips (co-exhibiting at SIIM). Customer segments are organized vertically across healthcare providers and hospital systems (primary), veterans healthcare via the VA (secondary), and clinical research institutions (tertiary). The company's strategic posture includes geographic expansion — operating from Australia, opening a US office in Woodland Hills, California, and announcing a June 2026 agreement to acquire Austrian-based contextflow for European market entry — alongside a growing regulatory footprint marked by FDA clearance for CT:VQ.

The business is early-stage in commercial scale, with cumulative disclosed funding of approximately A$15.7M across three rounds in 2018-2019 (most recent a ~A$10.1M round from Regal Funds Management), 11-50 employees, and no publicly disclosed revenue figures. Leadership includes founder and Chairman Andreas Fouras. Operational signals — product portfolio breadth, multi-region footprint, government channel positioning, and active M&A — point to a company in the scaling phase of commercialization rather than mature revenue ramp.

Name

4DX

Legal name

4DMedical

Website

https://4dx.com

Company type

Private

Founded year

2012

Operating status

Operating

Headcount range

11–50 employees

Short description

4DMedical develops FDA-cleared software that extracts quantitative functional lung imaging data (ventilation, perfusion, density, volume) from standard X-ray and CT scans, licensing it via enterprise subscriptions to hospitals, VA healthcare systems, and clinical research institutions globally.

Ownership category

akta.pro rank

Product category

Medical Imaging Software

NAICS

Surgical and Medical Instrument Manufacturing (339112)

SIC

Surgical & Medical Instruments & Apparatus (3841)

akta.pro primary industry

AI Orchestration & Imaging Analytics Platforms (Model Management/Triage) (HLACALAG)

akta.pro secondary industry

Imaging & Diagnostic Interoperability (DICOM exchange, image sharing, VNA connectivity) (HLACABAM)

Keywords

• Lung function imaging
• Medical imaging software
• Respiratory diagnostics
• Ventilation perfusion analysis
• Lung disease detection

Headquarters

HQ city

Melbourne

HQ country

Australia

HQ region

Oceania

Offices2 records

Markets served

GTM type

B2B

Offering type

Software

Cost components

Technology or R&D, Personnel, Operations, Marketing or Sales

Revenue model

1. Medical Imaging Software Licensing: 4DMedical generates revenue through licensing its FDA-cleared lung function imaging analysis software to healthcare providers, hospitals, and clinical research institutions. Software is sold as clinical diagnostic tools with enterprise licensing arrangements typical of medical device software.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

4DMedical develops and licenses FDA-cleared medical imaging software that quantifies lung function from standard X-ray and CT scans using its proprietary XV Technology platform. The product portfolio includes CT:VQ (non-contrast ventilation-perfusion analysis), CAC (coronary artery calcification), CT LVAS, XV LVAS, IQ-UIP (early IPF detection), LDAf, LDAi, LTA, PHA, and Companion Imaging. The company also offers the XV Scanner hardware for clinical research applications and licenses its software to hospitals, radiology departments, and VA health systems.

Product overview

4DMedical is a medical imaging software company offering a portfolio of specialized lung function imaging and analysis products. The core offering is built on the proprietary XV Technology platform, which enables breakthrough functional lung imaging from standard X-ray and CT scans. The product suite includes CT:VQ (non-contrast ventilation-perfusion analysis, FDA-cleared), CAC (coronary artery calcification), CT LVAS (CT lung volume analysis), IQ-UIP (early IPF detection), LDAf (functional lung density analysis), LDAi (lung density analysis inspiration), LTA (lung texture analysis), PHA (pulmonary hypertension assessment), XV LVAS (lung ventilation analysis), and Companion Imaging. The company also offers the XV Scanner for lung function research. In June 2026, the company announced an agreement to acquire European software lung imaging leader contextflow for European market expansion.

Differentiator

Problem solved

Functional benefit

Products and services

• CT:VQ™ Non-contrast ventilation-perfusion imaging and analysis software that is FDA-cleared for assessing lung function without injections, used by hospitals and radiology departments for comprehensive lung function assessment.
• CAC™ Coronary Artery Calcification detection and analysis software for healthcare providers performing cardiovascular assessments.
• CT LVAS™ CT Lung Volume Analysis software for quantitative lung ventilation analysis from standard CT scans.
• IQ-UIP™ Early Idiopathic Pulmonary Fibrosis (IPF) detection software for healthcare providers identifying early-stage IPF from standard imaging.
• LDAf™ Functional Lung Density Analysis software for assessing functional lung density from standard imaging scans.
• LDAi™ Lung Density Analysis – Inspiration software for analyzing lung density during inspiration from standard imaging scans.
• LTA™ Lung Texture Analysis software for assessing lung tissue characteristics and patterns from standard imaging.
• PHA™ Pulmonary Hypertension Assessment software for evaluating pulmonary hypertension from lung function imaging.
• XV LVAS® XV Lung Volume Analysis software for lung ventilation analysis using the proprietary XV Technology platform.
• Companion Imaging Supporting imaging software module for comprehensive lung analysis alongside other 4DMedical software products.
• XV Scanner™ Lung function research scanner hardware for clinical research applications, used by academic medical centers and research institutions conducting lung function research.

Quantifiable outcome

• Enables diagnosis of breathing conditions from standard X-ray scans without additional imaging procedures

Named customers1 record

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability2 records

Feature6 records

Partnerships

Three partnerships are on record, tiered core and minor.

• contextflowcoreStrategic or Co-development Partner · 1 June 20264DMedical announced agreement to acquire contextflow, a European software lung imaging leader, marking the company's expansion into the European market. This acquisition is intended to strengthen 4DMedical's presence in Europe and expand its product capabilities in lung imaging software.
• PhilipsminorGTM or Marketing Partner4DMedical exhibits at the Philips booth at SIIM conference, indicating a marketing and channel partnership for joint market presence in the medical imaging space. Philips is a major medical imaging equipment vendor with extensive hospital relationships.
• VA (Veterans Affairs)coreStrategic or Co-development PartnerUnder the PACT Act, 4DMedical's software enables VA hospitals to diagnose and treat millions of veterans with breathing conditions related to toxic exposure and airborne hazards during military service.

Scale indicators3 records

Recent moves7 records

Expansion highlights6 records

Broad incumbents

• Philips: Philips is a global medical imaging equipment and PACS vendor with which 4DMedical has a marketing partnership at SIIM. Philips is a broad incumbent that could bundle competing lung imaging analytics into its installed base, and a channel partner for 4DMedical's enterprise reach.
• GE HealthCare: GE HealthCare is a major imaging equipment and PACS/AW vendor serving hospitals globally. It is comparable as a broad incumbent that dominates hospital radiology workflows and could develop or acquire competing AI lung analytics features.

Direct peers

• Optellum: Optellum develops AI software for early lung cancer diagnosis and management using CT imaging, with FDA-cleared Virtual Nodule Clinic. It is a direct peer to 4DMedical within the lung imaging AI category, addressing similar pulmonology and radiology workflows.
• VIDA Diagnostics: VIDA Diagnostics provides AI-powered lung image analysis software (including LungPrint) for pulmonary conditions such as COPD and emphysema. It is the closest direct peer to 4DMedical, serving the same pulmonology and radiology customer base with quantitative lung analytics from CT scans.
• HeartFlow: HeartFlow offers SaaS-based AI analysis (FFR-CT) for coronary imaging from standard CT scans, sold via enterprise licensing to hospitals. It is a strong functional peer: same SaaS-to-enterprise-healthcare model, same workflow of converting standard scans into higher-value diagnostic outputs.
• Thirona: Thirona specializes in AI-based medical image analysis for lung and chest CT, with products such as LungQ for quantitative lung analysis. It is a direct peer in lung-focused imaging analytics and serves academic and clinical research customers similar to 4DMedical's research segment.
• contextflow: contextflow is a European AI lung imaging software company that 4DMedical has agreed to acquire. It is a direct peer in AI-powered lung image analysis and represents 4DMedical's European counterpart before consolidation.

Emerging players

• Arterys: Arterys (now part of Tempus) provides cloud-native AI imaging analytics for cardiac and other imaging, with enterprise hospital SaaS distribution. It is comparable to 4DMedical in imaging AI SaaS go-to-market and clinical decision-support positioning.
• Viz.ai: Viz.ai delivers AI-driven imaging workflow software (notably stroke and cardiology) to hospital systems. Comparable to 4DMedical as a clinical AI imaging platform sold to enterprise health systems, though focused on time-sensitive vascular indications rather than lung.
• Aidoc: Aidoc is an AI radiology platform offering triage and workflow AI across multiple imaging modalities to health systems. It overlaps with 4DMedical in AI-driven radiology analytics and enterprise hospital sales, though Aidoc spans organs rather than specializing in lung.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/4dx

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

Funding overview

Funding rounds3 records

Investors4 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments1 record

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about 4DX