PeakSonic M4 Bladder Scanner
Portable 3D Bladder Scanning Wherever Care Is Delivered
The PeakSonic M4 combines advanced 3D bladder scanning with ±7% accuracy in a lightweight handheld design. Operating with a compatible tablet or smartphone, it enables fast, non-invasive bladder volume and post-void residual (PVR) assessment wherever care is delivered.
From £5,570 + VAT.
(Scanner-only and Clinical Adoption packages available, with optional accessories)
CE/UKCA Marked · 24-Month Warranty · UK Support · Finance Options Available, Subject to Status.
Need help choosing? Compare our bladder scanners →

Incredible Innovation At Your Finger Tip!
The PeakSonic M4 is a next-generation handheld bladder scanner that delivers fast, accurate bladder volume and post-void residual (PVR) measurements using advanced 3D ultrasound technology - all through a simple tablet or smartphone interface.
Designed for hospitals, care homes, clinics, and community healthcare, the M4 helps clinicians make confident catheterisation decisions while improving patient comfort and clinical efficiency.
Why Choose the Peaksonic M4?
The PeakSonic M4 combines advanced 3D ultrasound technology with a compact handheld design to deliver fast, non-invasive bladder volume assessment with ±7% accuracy. Designed for clinicians who work across multiple locations, it operates with a compatible tablet or smartphone, providing the flexibility to perform reliable bladder scanning wherever care is delivered. Ideal for hospitals, community healthcare, domiciliary services and mobile clinical teams, the M4 helps bring confident bladder assessment directly to the point of care.
Portable 3D Bladder Scanning
Advanced 3D ultrasound technology delivers reliable bladder volume measurement with ±7% accuracy in a lightweight handheld scanner designed for everyday clinical use.
Mobile Point-of-Care Assessment
The compact handheld design and tablet or smartphone-based operation allow clinicians to perform bladder scanning wherever patient care is delivered, without being tied to a console.
Wireless Clinical Workflow
Operate the M4 using a compatible tablet or smartphone, providing a flexible, cable-free workflow that supports efficient bedside, community and mobile clinical assessments.
Fast, Non-Invasive Assessment
Perform bladder volume and post-void residual (PVR) assessments quickly without catheterisation, supporting patient comfort and helping clinicians make informed bladder-management decisions.
Greater Clinical Confidence
With ±7% measurement accuracy, the M4 supports reliable bladder volume assessment across a wide range of healthcare environments, from hospitals to community-based services.
Practical Data & Printing Options
Built-in data storage, USB data transfer and Bluetooth printing capability make it easy to record, manage and share bladder scan information as part of routine clinical practice.
Who Is It For?
The PeakSonic M4 bladder scanner is designed for healthcare professionals who need fast, accurate, and portable bladder assessments across a wide range of care settings. Ideal for hospitals, care homes, community nursing teams, GP practices, rehabilitation centres, and continence specialists, it helps clinicians assess urinary retention, monitor post-void residual volume, and support safer decision-making without invasive catheterisation. With its handheld design, wireless capability, and printer functionality, the M4 is especially valuable for bedside rounds, mobile care teams, and facilities seeking efficient point-of-care diagnostics.

Peaksonic M4 Bladder Scanner Features & Benefits
Bluetooth printing of:
Internal storage on tablet or phone
Full patient history review

Unique Characteristics

PeakSonic M4 Specifications
3D Ultrasound • ±7% Accuracy • 0–999 ml Measurement Range • Wireless Operation • Tablet & Smartphone Compatible • 24-Month Warranty

More Than the Scanner
More Than Equipment Supply
We don’t simply supply portable diagnostic devices - we help healthcare professionals successfully adopt them into everyday practice.
WHAT COMES WITH YOUR PURCHASE
Peace of mind with comprehensive cover for your investment.
Fast and secure delivery to your practice or facility.
We help you get started with confidence, right from day one.
Stay up to date with the latest features and enhancements.
Responsive UK-based support when you need it.
Tailored support to help you integrate the scanner into your workflow. (Depending on package)
We advise on the right training pathways to build your skills.
Access practical guides, webinars and resources to support your learning.

Our goal is your success: We combine quality devices with support, education and guidance so you can deliver better care and build confidence with every scan.
Flexible Finance Options Available
Spread the investment cost of your diagnostic equipment with flexible business finance options available for eligible organisations.
Flexible finance options may be available for equipment, onboarding, training, and implementation support, subject to status and approval.
Compare Bladder Scanners
Features | M1 Scanner | M2 Scanner | M4 | M5 |
|---|---|---|---|---|
Scan Type | 2D | 3D | 3D | 3D |
Accuracy | ±14% | ±7% | ±7% | ±7% |
Format | Portable | Portable | Handheld | Console |
Best suited to | Individual use | Clinical use | Mobile use | High-volume use |
Handheld | YES | YES | YES | NO (Cart-based) |
Tablet / Phone Based | NO | NO | YES | NO |
Integrated Console | NO | NO | NO | YES |
Bladder Wall Thickness | NO | NO | NO | YES |
Printer Support | Optional | Optional | Bluetooth | Built-in |
Ideal Setting | Care Homes & Clinics | Care Homes & Clinics | Mobile & Hospitals | Advanced Clinical Use |
Warranty | 24 months | 24 months | 24 months | 24 months |
Price | From £3,995 + VAT | From £4,970 + VAT | From £5,570 + VAT | From £7,880 + VAT |
View Scanners |
Not sure which model is right for you?
Our team can help you compare the options based on your clinical setting, intended use and requirements.
Accurate Bladder Assessment in Seconds
The PeakSonic M4 provides a non-invasive, painless alternative to catheterisation, enabling clinicians to:
Scans are completed within seconds, with results displayed clearly on a connected tablet or mobile device.

Built for Modern Clinical Workflows
Unlike traditional console-based scanners, Peaksonic M4 Bladder Scanner connects wirelessly to a smartphone or tablet via Wi-Fi, making it ideal for:
This flexible design allows clinicians to move seamlessly between patients and departments without compromising accuracy.
Why Clinicians Choose the PeakSonic M4
The M4 is widely regarded as one of the most comprehensive portable bladder scanners available, combining intelligent scanning, wireless data transmission, and 3D imaging in one compact solution.

Compliance & Documentation
Certified, Supported, and Ready to Deploy.
This product is CE and UKCA marked and supplied with supporting product documentation to assist healthcare organisations with procurement, governance and implementation requirements. Additional documentation is available on request.

Flexible Finance Options Available
Spread the investment cost of your diagnostic equipment with flexible business finance options available for eligible organisations.
Flexible finance options may be available for equipment, onboarding, training, and implementation support, subject to status and approval.


