Bed-Mounted Blood Collection Monitor

What is the Bed-Mounted Blood Collection Monitor?

A bed-mounted blood collection monitor clamps to a donor chair or bed rail and holds the bag at the donor's side, mixing and weighing during donation. It suits donor rooms with limited bench space and workflows where bags should remain at arm level.

Overview

The bed-mounted design places the rocker and load cell on an arm or bracket attached to the donor chair. It keeps the bag at or slightly below arm height, which supports steady gravity flow, and removes the need for a separate table. The unit is usually compact, about 1 to 2 kg, with a clamp-on mounting that fits standard rail diameters. The display faces the operator, and alarms cover target, low flow, over-time and platform tilt. Because the bag is close to the donor, tubing is short, reducing kinks. Cleaning is simpler since the unit sits on a single surface. Designs may rotate or fold away when not in use. Mounting must be secure and compatible with the chair model in use.

How does it work?

A blood collection monitor combines a tilting or rocking platform, a load cell and a microcontroller. The donor's blood flows by gravity and venous pressure into the bag, which rests on the platform. The rocker mixes blood with citrate anticoagulant, for example CPD or CPDA-1, to prevent clotting. The load cell measures mass, and the controller converts it to volume using blood density, about 1.053 g/mL, and compares it with a target such as 450 mL ±10%. Flow rate and elapsed time are displayed, and the system alarms on low flow, over-time collection or incomplete mixing. Many models drive a pinch clamp or tubing clamp to stop flow automatically at the target, and record each donation for traceability.

What are the key features?

• Clamp-on mounting for donor chairs and bed rails
• Keeps bag at arm height for steady gravity flow
• Compact and lightweight at 1–2 kg
• Alarms for target, low flow, over-time and tilt
• Short tubing run reduces kinking
• Foldable or rotating arm to clear space when idle

What are the technical specifications?

A typical bed-mounted blood collection monitor configuration offers mounting of Clamp-on, rail diameter 20–40 mm, weighing range of 0–1000 g, resolution of 1 g, volume accuracy of ±5 mL at 450 mL, rocking rate of 10–15 cycles/min and weight of approx. 1–2 kg. Values are indicative of the product class; the exact figures for each configuration are confirmed on the quotation and the calibration documents supplied with the instrument.

Which applications is it used for?

The Bed-Mounted Blood Collection Monitor is used in space-limited donor rooms, donor chair workflows, hospital donation units and mobile collection buses. Across the wider Blood Collection Monitors class, laboratories also deploy it for whole blood donation collection, mobile donation drives and hospital autologous donation.

Which standards and certifications apply?

Relevant standards and methods include ISO 13485, IEC 60601-1, IEC 60601-1-2, IEC 62304, ISO 3826-1 and AABB Standards for Blood Banks and Transfusion Services. Certification candidates for this model are CE, ISO 13485 and IEC 60601-1 test report; each is to be confirmed for the specific configuration before shipment, and certificates are supplied only where they have been issued.

Calibrate the load cell with certified weights at installation and on a regular schedule, commonly every six to twelve months, and verify mixing motion daily. Keep the platform level and free of vibration. Clean surfaces with approved disinfectants after each donor and inspect clamps for wear. Batteries on portable units need periodic replacement and charge logging. Software that stores donor data must follow data protection rules, and the device should be covered by the blood establishment's quality system. Keep service records and confirm electrical safety testing according to local rules.

How do I select the right Bed-Mounted Blood Collection Monitor?

Choose a bed-mounted monitor when bench space is scarce or bags should stay at the donor's side. Specify rail diameter, chair model, mounting orientation, weight range and power option. Confirm the mount does not obstruct donor access or chair adjustments, and check the cable routing to avoid snagging.

How does it compare with other Blood Collection Monitors variants?

Choose by collection setting. Fixed donor rooms can use mains-powered benchtop units, while mobile drives need battery-powered portable monitors. Check weight range and resolution, the accuracy of the volume calculation and whether mixing speed and angle are adjustable for your bag type. Automatic clamp, flow alarms and target presets reduce operator load. For traceability, consider barcode scanning, donor ID entry, bag lot recording and network output to the blood establishment information system. Confirm cleaning, tubing compatibility and operating hours per charge. Also check electrical safety class and how the device handles power interruption without losing donation data.