Products

Rho
16 Bit
Radiology & Imaging AI
Rho by 16 Bit is an FDA-cleared AI-driven software that analyzes routine X-ray images to opportunistically screen and identify patients aged 50 and older at risk of low bone mineral density, aiding in early osteoporosis detection.

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About 16 Bit

16 Bit is a Canadian medical AI company dedicated to developing regulatory-cleared software as a medical device (SaMD) to enhance radiologist performance and improve overall healthcare efficiency. Their core mission revolves around creating trusted AI solutions that improve the quality, accessibility, and efficiency of healthcare for all individuals.

The company specializes in designing, training, and validating machine-learning algorithms to streamline the interpretation of radiology images. This addresses the growing bottleneck faced by radiologists due to the ever-increasing volume of imaging data and the healthcare system’s reliance on medical imaging services. Their product portfolio includes AI-based image diagnosis tools for healthcare providers, with specific applications in areas such as breast cancer screening, neurological emergency detection, and pediatric bone age assessment. Their flagship product, Rho™, facilitates opportunistic osteoporosis screening by utilizing routinely captured X-rays, having already screened over 340,000 patients in Canada with ongoing expansion into international markets. Additionally, Physis™ is an award-winning AI-driven smart atlas designed for pediatric bone age estimation. The company was founded by Canadian-trained radiologists who possess a deep understanding of current medical challenges and how AI can be leveraged to overcome them.

Focus Areas

AI-based image diagnosis opportunistic osteoporosis screening low bone mineral density (BMD) detection pediatric bone age assessment

Business Intelligence

Key InvestorsGE HealthCare Technologies, Startup en résidence, INOVAIT, Canada's Digital Technology Supercluster, Health Innovation Hub
PartnershipsUniversity Health Network (UHN), OBIO, CAN Health Network, Clear Medical Imaging, Amgen, Sunnybrook Health Sciences Centre, Trillium Health Partners, Layer 6, SofTx Innovations, Roche, Vector Institute
TechnologyAI Software-as-a-Medical Device (SaMD), deep convolutional neural networks, cloud-based solutions
FDA Clearances1 cleared products (estimated)

What Physicians Need to Know

Opportunistic Osteoporosis Screening (Rhou2122)
16 Bit's Rhou2122 software utilizes AI to analyze routine X-rays (chest, thoracic spine, lumbar spine, pelvis, knee, hand/wrist) to opportunistically detect signs of low bone mineral density (BMD), a key indicator of osteoporosis. This enables early identification of at-risk patients without requiring additional scans or radiation exposure.
Low Bone Mineral Density (BMD) Detection
Rhou2122 provides a notification or report to radiologists and referring physicians when possible low BMD is detected, prompting further clinical assessment. It boasts a positive predictive value of 89.2% for disease confirmation.
Pediatric Bone Age Assessment (Physisu2122)
Physisu2122 is an AI-driven smart atlas that offers rapid, automated estimation of pediatric bone age from hand X-rays. It significantly reduces assessment time and inter-rater variability, providing predictions within milliseconds and generating customized reports.
Key Differentiator: Workflow Integration & Efficiency
Both Rhou2122 and Physisu2122 are designed for seamless integration into existing clinical workflows and Picture Archiving and Communications Systems (PACS), minimizing disruption and clinician effort while maximizing the value of routinely acquired imaging data.
Key Differentiator: Regulatory Clearances
Rhou2122 has received FDA De Novo marketing authorization and is Health Canada licensed, signifying rigorous validation and regulatory approval for opportunistic evaluation of low BMD. Physisu2122 is also licensed by Health Canada.
Key Differentiator: Radiologist-Founded Expertise
Founded by radiologists with backgrounds in engineering and computer science, 16 Bit develops AI solutions that directly address real-world clinical challenges and augment radiologist performance.
Technology Stack
16 Bit leverages advanced Artificial Intelligence (AI), Machine Learning (ML), and Deep Convolutional Neural Networks (CNNs) to develop its Software-as-a-Medical Device (SaMD) products. Their systems interface with PACS and are moving towards cloud-based solutions for scalability.
Physician Tip

For physicians, 16 Bit's solutions offer a paradigm shift towards proactive and efficient patient care. Rhou2122 enables the opportunistic detection of low bone mineral density from routine X-rays, facilitating earlier intervention for osteoporosis and potentially preventing devastating fractures, all without additional scans or radiation. Physisu2122 streamlines the often cumbersome pediatric bone age assessment, providing rapid, accurate, and consistent results that enhance diagnostic confidence and reduce inter-rater variability. Both products are designed to integrate seamlessly into existing workflows, augmenting radiologist performance and improving healthcare efficiency without adding significant burden. The regulatory clearances (FDA De Novo, Health Canada) provide assurance of their safety and efficacy.

16 Bit's software, including Rhou2122 and Physisu2122, is designed to interface with existing Picture Archiving and Communications Systems (PACS) for seamless integration into clinical environments. They are also developing cloud-based versions to enhance scalability and accessibility.

Products by 16 Bit

1 product in the directory

Rho
16 Bit
Radiology & Imaging AI
Rho by 16 Bit is an FDA-cleared AI-driven software that analyzes routine X-ray images to opportunistically screen and identify patients aged 50 and older at risk of low bone mineral density, aiding in early osteoporosis detection.

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Press & Coverage

PR Newswire
16 Bit Announces FDA De Novo Marketing Authorization of Rhou2122, an AI-enabled Opportunistic Pre-Screen for Low Bone Mineral Density on Standard X-Rays
16 Bit Inc. announced that the U.S. Food and Drug Administration (FDA) has granted De Novo marketing authorization for Rhou2122, an AI-enabled software device designed to improve osteoporosis screening by identifying low bone mineral density from standard X-rays.
2024-04
Mitacs
AI-Powered Tool for Early Osteoporosis Detection: Rhou2122 by 16 Bit
Toronto-based startup 16 Bit, founded by radiologists Dr. Mark Cicero and Dr. Alex Bilbily, has launched Rhou2122, an AI-powered 'radiology assistant' that uses routine X-ray images to screen for osteoporosis, with Health Canada approval received in July 2022.
2024-04
Newswire.ca
Clear Medical Imaging Partners with 16 Bit to Offer Revolutionary Artificial Intelligence-Powered Osteoporosis Screening Tool, Rhou2122, to Patients in Ontario
Clear Medical Imaging, a leading radiology service provider in Ontario, has partnered with 16 Bit to implement Rhou2122, an AI tool that identifies patients at risk for osteoporosis from routine X-rays.
2023-04
PubMed (Journal of the American College of Radiology)
Opportunistic Screening of Low Bone Mineral Density From Standard X-Rays
This article discusses the opportunistic screening of low bone mineral density from standard X-rays, with affiliations including 16 Bit Inc. and Sunnybrook Health Sciences Centre.
2023-10
OBIO
16 Bit Initiates Evaluation of AI-Based Opportunistic Osteoporosis Screening Using Routine X-Rays at UHN
16 Bit, in partnership with University Health Network (UHN) and OBIO, has initiated an 8-month study to evaluate its AI-powered software, Rhou2122, for opportunistic osteoporosis screening using routine X-rays.
2025-07
Temasek Foundation
S$3 million boost for market-ready digital health solutions from CHISEL Healthcare InnoMatch 2025: Five start-ups to pilot with Singapore's public healthcare clusters
16 Bit was one of five innovative healthcare start-ups awarded a total of S$3 million in funding at CHISEL Healthcare InnoMatch 2025, providing opportunities to pilot their solutions within Singapore's public healthcare clusters.
2025-09
Imaging Technology News
X-ray Market Momentum: AI, Global Expansion, and Clinical Trials Define May 2025
Blackford announced a commercial partnership with 16 Bit to integrate Rho, its AI-powered bone health solution, into the Blackford Platform, enhancing diagnostic precision and clinical efficiency.
2025-06
Thieme Connect (Journal of Clinical Densitometry)
A Paradigm Shift in Osteoporosis Screening with AI: The Canadian Experience with Rho
This editorial discusses the performance and potential impact of Rho, an AI tool developed by 16 Bit, in transforming osteoporosis screening practices in Canada, which received US FDA de novo market authorization in April 2024.
2025-07

Frequently Asked Questions

Rhou2122 is an AI-enabled software that analyzes routine X-ray images (e.g., chest, spine, pelvis, knee, or hand) to opportunistically identify patients at risk of low bone mineral density (BMD). This system works in the background of existing radiology workflows to alert radiologists to potential osteoporosis, prompting further clinical assessment without requiring additional scans or radiation exposure.
16 Bit offers Physisu2122, an AI-driven smart atlas that revolutionizes pediatric bone age assessment by providing rapid, automated estimates from hand X-rays. Physisu2122 helps reduce inter-rater variability, increases confidence in assessments, and can generate customized reports, saving valuable clinician time.
16 Bit's flagship product, Rhou2122, has received FDA De Novo marketing authorization in the United States and is licensed by Health Canada. Physisu2122 is also licensed by Health Canada, demonstrating the company's commitment to developing regulatory-cleared software as a medical device.
While specific pricing details are not publicly disclosed, 16 Bit's solutions are designed for seamless integration into existing clinical practice and workflows. Radiologists are reported to pay for Rho's usage, and Physisu2122 operates on a subscription model, including a free trial.
16 Bit collaborates with numerous academic and community hospitals, private clinics, and organizations such as UHN, OBIO, Mitacs, Osteoporosis Canada, and Amgen for data and clinical evaluation. The company, founded by radiologists in 2016/2017, has secured $3.76M in funding and has successfully screened hundreds of thousands of patients with Rhou2122 and analyzed many bone age studies with Physisu2122, indicating a strong foundation and growth trajectory.

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