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Mô tả chi tiết Technology—Principles of operation
The OPTI® CCA/CCA-TS Blood Gas and Electrolyte Analyzers are microprocessor-based instruments that measure optical fluorescence from discreet sensors called optical electrodes (optodes). A disposable, single-use cassette contains all of the elements needed for calibration, sample measurement and waste containment. Specific calibration information from the cassette is read into the analyzer by swiping the cassette package through the bar-code reader. The cassette is then placed into the measurement chamber.
The analyzer warms the cassette to 37.0°C (±0.1°C)/98.6°F (±0.1°F), and it performs a calibration verification on the sensors for PCO2 and PO2 by passing a precision calibration gas mixture across the optode sensors. The pH and electrolyte channels are calibrated with precision buffer solution contained in the cassette. When calibration is verified, the analyzer aspirates the blood sample into the cassette and across the optode sensors. After equilibrating with the blood sample, fluorescence emission is then measured.
The OPTI CCA/CCA-TS single-use patient cassette includes these features: Calibration of cassette before sampling—eliminates losing sample if cassette calibration fails
OPTI® CCA/CCA-TS analyzer specifications
Calibration/Measurement Sample Volume 125 µL (60µL for B60 cassette) Calibration Time <90 seconds Measurement Time <120 seconds Typical Cycle Time <210 seconds Operating Temperature 10–32°C (50–90°F) Sample Type Whole blood, serum or plasma Measurement Principle Optical fluorescence, reflectance Sample Application Syringe, capillary or ComfortSampler® Data Storage 200 patient records
Security Password Password-protected analyzer setup and delete functions QC Lockout User-definable QC lockout functions
Dimensions/Weight Height x Width x Depth 124 x 362 x 230 mm (4.7 x 14.2 x 9.1 in) Weight 5.5 kg (12 lb) with rechargeable battery pack
Miscellaneous Voltage/Frequency 120 or 240 AC, 50–60 Hz Power Consumption (max.) 110 VA Interface Serial, Ethernet* (*TS only) Approvals CE, UL and IVDD |
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