Xiangyi CH16R Blood Collection Vehicle-Specific Refrigerated Centrifuge

Overview

The Xiangyi CH16R is a purpose-engineered benchtop refrigerated centrifuge designed exclusively for mobile blood collection environments—including bloodmobiles, field clinics, and point-of-care diagnostic units. It operates on the principle of sedimentation-based separation under controlled low-speed rotational force (RCF), optimized for gentle yet efficient pelleting of whole blood components, peripheral blood mononuclear cells (PBMCs), platelet-rich plasma (PRP), and viral particles in clinical sample workflows. Unlike high-speed or ultracentrifuges, the CH16R delivers stable thermal management (–20 °C to +40 °C operating range) and precise speed control (100–5000 rpm in 10 rpm increments) within a compact, vibration-damped chassis—ensuring consistent hematocrit separation and serum/plasma yield across variable vehicle-mount conditions. Its structural integration into mobile medical infrastructure meets ISO 22870:2016 requirements for point-of-care testing (POCT) device stability and safety under non-stationary operation.

Key Features

• Horizontal rotor configuration with fixed-angle compatibility via interchangeable adapters—supports standard vacuum blood collection tubes (13 × 75 mm, 16 × 100 mm), 10 mL and 15 mL conical centrifuge tubes, and nucleic acid microtubes (up to 2.0 mL).
• Vacuum suction foot system ensures rigid anchoring on uneven or vibrating surfaces (e.g., vehicle floors), minimizing displacement during acceleration/deceleration cycles—validated per EN 61000-6-2:2019 electromagnetic compatibility standards for mobile medical equipment.
• Hermetically sealed rotary compressor using R134a refrigerant enables rapid temperature stabilization (<15 min from +25 °C to –10 °C) and maintains ±1 °C temperature uniformity across the rotor chamber at 4 °C, critical for preserving labile analytes such as cytokines and exosomes.
• 5-inch capacitive touchscreen interface with real-time dual-parameter display: set values (speed, time, temperature) and actual running parameters (RCF, elapsed time, current temperature, rotor status) appear simultaneously without menu navigation.
• Stainless steel (AISI 304) interior chamber resists corrosion from repeated disinfectant exposure (e.g., 70% ethanol, sodium hypochlorite), complying with ISO 15190:2020 laboratory safety requirements for decontamination protocols.
• Integrated safety architecture includes lid interlock with mechanical latch verification, overspeed cutoff (triggered at 105% of max rated speed), real-time motor winding temperature monitoring, and automatic brake deceleration with rotor coast-down profiling to prevent tube breakage.

Sample Compatibility & Compliance

The CH16R accommodates primary clinical specimen containers used in national blood bank protocols, including BD Vacutainer®, Greiner Bio-One, and Sarstedt tubes. Its rotor geometry and adapter design conform to CLSI GP44-A6 guidelines for centrifugal separation of anticoagulated whole blood. The instrument supports GLP-compliant workflows through traceable parameter logging (time-stamped start/stop, temperature history, rotor ID) and meets essential requirements of IEC 61010-1:2010 for electrical safety in laboratory equipment. While not FDA 510(k)-cleared as an IVD device, its operational parameters align with USP sterility testing centrifugation recommendations and WHO TRS No. 961 Annex 4 for blood component processing in resource-limited settings.

Software & Data Management

The embedded firmware stores up to 100 user-defined protocols with editable names, speed profiles, and hold-at-temperature steps. All run logs—including date/time stamp, rotor serial number, final RCF, and thermal deviation alerts—are exportable via USB 2.0 port in CSV format for audit trail reconstruction. Optional PC software (Xiangyi CentriLink v3.2) enables remote calibration verification, firmware updates, and integration with LIMS systems via RS-232 serial output. Audit trails comply with ALCOA+ principles (Attributable, Legible, Contemporaneous, Original, Accurate) and support 21 CFR Part 11 readiness when paired with institutional electronic signature policies.

Applications

• On-site serum and plasma separation from EDTA-, citrate-, and heparin-anticoagulated blood specimens prior to immunoassay or molecular testing.
• Isolation of PBMCs using Ficoll-Paque™ density gradients under controlled cold conditions (4 °C).
• Pre-analytical processing of saliva, urine, and nasopharyngeal swab supernatants for RNA extraction workflows.
• Field-deployable viral pellet concentration (e.g., influenza A, SARS-CoV-2) from clarified clinical supernatants at 3555 × g for downstream RT-qPCR.
• Quality control centrifugation of reagent kits and calibrators during mobile diagnostic kit validation per ISO 13485:2016 Annex B.

FAQ

What is the maximum allowable imbalance tolerance for the CH16R horizontal rotor?
The rotor is balanced to ISO 1940-1 G2.5 grade; maximum permissible load imbalance is ±0.5 g per bucket position when using matched tubes.
Does the CH16R support continuous operation during vehicle transit?
It is certified for intermittent operation only—centrifugation must cease during vehicle motion exceeding 0.3 g lateral acceleration, as verified by onboard accelerometer logging.
Can third-party rotors or adapters be used with this instrument?
No. Only Xiangyi-certified rotors and mechanically coded adapters are permitted to maintain safety interlock integrity and RCF accuracy.
Is the refrigeration system serviceable in-field?
Compressor and refrigerant circuit servicing requires authorized Xiangyi Field Service Engineers and specialized vacuum-recharge equipment; no user-serviceable components exist within the cooling module.
How often does the CH16R require preventive maintenance?
Biannual inspection is recommended: rotor inspection (crack detection via dye penetrant), drive shaft lubrication verification, and calibration of temperature and speed sensors against NIST-traceable references.