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The BVI 6100 is Verathon's handheld bladder volume instrument, supplied here with its charging cradle. It reads bladder volume from 0 to 999 ml using a 3.5 MHz ultrasound scanhead, shows the result on a liquid crystal display, weighs under 309 g and runs from a rechargeable lithium ion battery charged in the cradle.
The clinical case for a bladder scanner is almost entirely about what it lets a clinician avoid. The question at the bedside is usually whether a patient is in retention or has emptied properly, and without a scanner the way to answer it is to pass a catheter. A scan answers it in under a minute without instrumenting the urethra at all. Every catheter not passed is a catheter associated urinary tract infection not risked, which is why portable bladder ultrasound sits in continence pathways, post operative recovery, stroke units and care homes rather than only in urology.
The accuracy figure is worth stating plainly rather than glossing. Verathon specify plus or minus 15 per cent plus 15 ml, measured against their own tissue equivalent phantom, and they give the worked example themselves: a reading of 160 ml means a true volume somewhere between 121 and 199 ml. That is a decision instrument, not a measurement to chart to the millilitre. It answers whether there are a few hundred millilitres sitting in the bladder, which is the question that changes what happens next, and it answers it under laboratory conditions, with real patients adding their own variables.
Practically, the cradle takes 90 to 264 V so it runs on United Kingdom mains without an adapter, delivers 5 V at 2.4 A, is double insulated to Class II, and cannot overcharge the battery, with a full charge taking at least six hours. The instrument itself is rated IPX1 and is built to IEC 60601-1 and IEC 60601-2-37. Cleaning is a wipe down and a low level disinfection of the scanhead between patients, with the disinfectant applied to the cloth rather than to the device. Supplied pre-owned with the charging cradle.
| Brand | Verathon |
| Range | BladderScan |
| Model | BVI 6100 |
| Device type | Handheld bladder volume instrument |
| Volume range | 0 to 999 ml |
| Ultrasound frequency | 3.5 MHz |
| Charging cradle | Supplied |
| Calibration status | Days remaining stated in writing before dispatch |
| Condition | Pre-owned |
Points to note before ordering
Specifications can change without notice. Ask us for the current technical file.
Ordered before 1pm Monday to Friday, dispatched the same working day from Leeds. Deliveries run Monday to Saturday, never Sunday.
UK mainland, light items: 1 to 2 working days. Heavy and bulky: 2 to 4 working days.
International orders ship on a Delivered At Place basis. Import duty, local tax and customs clearance fees are charged by the destination country and are the buyer's responsibility.
This item is pre-owned and comes with a 90-day SelfiMed warranty, starting on the day it is delivered.
Read the full returns and warranty policy
This does not affect your statutory rights.
Information on this page is provided for guidance and does not replace advice from a qualified clinician. Always read the manufacturer's instructions before use, and check that a device is suitable for the patient and the prescribed therapy.
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