Handheld Bladder Volume Instrument (M2)

Description

The Handheld Bladder Volume Instrument (M2 & M2-W) is a compact, portable 3D ultrasound scanner designed to provide quick and accurate bladder volume measurements without the need for catheterisation. With advanced real-time imaging, automatic calculations, and models optimized for both adult and paediatric use, this device supports clinicians in making timely decisions across a wide range of care environments—from hospital wards to home visits.

Whether for pre-catheterisation evaluation, post-void residual (PVR) assessments, or incontinence management, this instrument is essential for enhancing patient comfort, reducing infection risk, and improving workflow efficiency.

 

Medical Process Explanation

Clinical Use Case:

Healthcare professionals use the M2 / M2-W to determine bladder volume when:

• Urinary retention is suspected.
• Post-surgical voiding is being evaluated.
• Catheter removal readiness is assessed.
• Monitoring of patients with incontinence or neurogenic bladder is required.

Steps Performed by the Healthcare Professional:

1. Position the patient in a supine position (on their back).
2. Apply ultrasound gel to the lower abdomen.
3. Place the probe above the pubic bone and initiate the scan.
4. The device captures 3D images and automatically calculates and displays bladder volume in mL.
5. The clinician then decides on further care, such as catheterisation, monitoring, or referral.

 

Key Features and Benefits

Feature	Benefit
Real-Time 3D Ultrasound Imaging	Provides precise, clear diagnostic images in seconds
Non-Invasive Scanning	Avoids catheterisation, reducing patient discomfort and infection risk
Automatic Volume Calculation	Minimizes operator error and ensures accuracy
Handheld and Lightweight	Ideal for bedside, outpatient, or mobile use
High Accuracy (±7.5%)	Ensures reliable bladder volume assessment
Touchscreen Interface	Simplifies user experience and training
Rechargeable Battery (4+ hrs)	Excellent for continuous use during rounds or in off-grid settings
Adult & Paediatric Models (M2-W)	Optimized measurement for different patient populations

 

Instructions for Use

Before Use

• Charge the device fully.
• Sanitize the probe and prepare ultrasound gel.

Patient Setup

• Lay patient flat on their back.
• Expose the lower abdominal region.

Scanning Procedure

1. Power on the device.
2. Apply gel to the lower abdomen.
3. Place the probe above the pubic bone.
4. Press scan/start.
5. View volume measurement on the touchscreen display.

After Use

• Wipe off excess gel from the patient.
• Clean and disinfect the probe.
• Power off and store the device safely.

 

Comparison Table: M2 / M2-W vs. Basic Bladder Scanner

Feature	M2 / M2-W	Basic Bladder Scanner
Imaging Mode	Real-Time 3D	2D or static
Volume Accuracy	±7.5% or ±7.5 mL	±15–20%
Paediatric Compatibility	Yes (M2-W)	Rare or limited
Interface	Touchscreen, intuitive UI	Button-based or basic LCD
Portability	Handheld, lightweight design	Often bulky or semi-mobile
Battery Operation	Rechargeable, 4+ hours	May require constant power
Scan Time	Under 3 seconds	5–10 seconds
Data Export Options	USB / SD card (optional)	Often unavailable

 

Specification Sheet

Specification	Details
Model	M2 / M2-W
Measurement Range	0–999 ml
Accuracy	±7.5% or ±7.5 ml
Scan Time	≤ 3 seconds
Imaging Mode	Real-time 3D ultrasound
Display	High-resolution colour touchscreen
Probe Frequency	2.5 – 3.5 MHz
Weight	Approx. 1.1 kg
Battery	Rechargeable lithium-ion
Battery Life	Up to 4 hours
Charging Time	Approx. 3 hours
Storage Option	USB / SD card (optional)
Operating Languages	Multi-language support
Certifications	CE, ISO 13485

 

Summary

The Handheld Bladder Volume Instrument (M2 & M2-W) provides a fast, reliable, and non-invasive solution for bladder volume assessment. With advanced 3D ultrasound imaging, automatic volume calculation, and a user-friendly interface, it supports healthcare professionals in making accurate clinical decisions quickly. Its portability and battery operation make it ideal for use in various clinical settings including hospitals, outpatient clinics, care homes, and home visits. The availability of a paediatric-compatible model (M2-W) further broadens its usability across all age groups, improving patient comfort and reducing the need for invasive catheterisation.

 

Conclusion

As bladder volume assessment becomes increasingly critical in preventing urinary tract infections and ensuring appropriate catheterisation, the Handheld Bladder Volume Instrument stands out as an essential diagnostic tool. Combining precision, ease of use, and portability, the M2 and M2-W models empower clinicians to deliver safer, more efficient patient care. Investing in this device helps reduce unnecessary interventions, enhance workflow efficiency, and ultimately improve patient outcomes across diverse healthcare environments.

 

Frequently Asked Questions (FAQs)

Q1: Can this device be used on children?
Yes, the M2-W model includes software adjustments and sensitivity suitable for paediatric patients.

Q2: How quickly does the device scan and display results?
In under 3 seconds, the device captures the bladder image and displays volume in mL.

Q3: Is it safe for repeated daily use?
Yes, it uses ultrasound technology, which is non-invasive and safe for multiple assessments.

Q4: What is the difference between the M2 and M2-W models?
The M2 is tailored for adult use; the M2-W supports both adult and paediatric applications.

Q5: Does it need to stay plugged in during operation?
No, it is fully battery-operated and lasts up to 4 hours on a single charge.

 

Authoritative External Links

• NHS – Urinary Retention Overview
• National Institute on Aging – Urinary Incontinence

 

 

 

 

 

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