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GEM Premier 4000
Blood gases,

Параметр Значение Ед. измерения
Основные параметры
Acceptable anticoagulants/Sampling technique heparin/aspiration
Analytes measured on device pH, pCO2, pO2, Hct, Na, K, Cl, iCa, lactate, glucose, tHb(c), O2Hb, COHb, MetHb, HHb, tBili
Analytical method(s) or technologies employed pH, pCO2: potentiometry; pO2, glucose, lactate: amperometry; Hct: conductivity; Hb, O2Hb, COHb, MetHb, HHb, tBili: spectrophotometric; Na, Cl, iCa, K: potentiometric ion-selective electrode
Analyzer connections LIS/HIS via direct interface or GEMweb Plus Custom Connectivity; vendor-neutral or Web-based systems
Average life expectancy of device 7–10 years
Barometric pressure
Built-in printer/Data port yes/4 RS-232, 1 parallel port, 1 Ethernet port, 4 USB ports
Calibration can be interrupted to perform stat sample yes
Calibration frequency automated continuous with iQM
Calibrations required automated continuous with Intelligent Quality Management (iQM)
Categorized for point-of-care?testing or laboratory point-of-care?testing and laboratory
Contents downloaded from data management system to analyzer most configuration information, including valid operator IDs, QC lots, and ranges
Cost per test/Reagent cost per test varies with size and menu/—
Device is part of a series of related models yes
Device warranty/Loaner devices provided 5 years/yes
Dimensions (H x W x D)/Weight 18 ? 12 ? 15 inches/44 pounds
Disposable prepackaged system used for analysis multiuse cartridge
Distinguishing features (provided by company) iQM detects, corrects, documents system, sensor, and sample errors, reducing error-detection time to minutes; single, multiuse cartridge includes all testing components, is changed every 30 days, requires no refrigeration or maintenance; GEMweb Plus software allows access and control from any networked PC or GEM Premier 4000 analyzer; Plus Technology offers wireless communication to HIS/LIS, and remote service capabilities
First year sold 2006
For what bar-code scanning is provided operator and patient IDs, cartridge lot number, expiration date
Hardware and software for data management system GEMweb Plus
How analyzer connects to external system to upload patient and QC results direct serial, hospital network, real-time wireless
Information included in transmission from analyzer to external system device identifier, operator and patient IDs, patient results, QC identifier and results
Information listed on hard copy report patient demographics, hospital information, results, result flags and legend, reference and critical ranges (optional), comments, notification information
Instrument response for calibration failure iQM will automatically detect and perform corrective actions or disable analyte if necessary
Instrument response for hardware failure/software failure operator warning, sampling lockout if necessary/operator warning, sampling lockout if necessary
Instrument response for QC failure iQM will automatically detect and perform corrective actions or disable analyte if necessary
Interface standards supported ASTM 1394, HL7
Internal QC program recommended internal, automated, continuous quality management included
Known interferences interferences detected by iQM and operator notified
Max. No. of analyte reagents that can reside in device at once 1 multiuse cartridge
Maximum No. of patient samples per hour/Maximum No. measured results per hour 20/320
Method of analyst ID in system wireless bar-code gun or manual virtual keyboard entry
No. of different disposable reagents required to maintain device 1
No. of different management reports system produces 4
No. of disposable reagent system units in standard package 1
No. of samples analyzed per one disposable reagent, electrode system cartidges available: 75, 150, 300, 450, 600
Number of devices sold in U.S./outside U.S./List price >7,000 worldwide/$50,000
Open or closed system/External gas tanks required closed/no
Optimal throughput when analyzer calibrated, awaiting specimens 20 samples per hour
Parameters calculated on device TCO2, BEecf (in vivo), BE(B) (in vivo), tHb(c), Ca++ (7.4), anion gap, P/F ratio, pAO2, CaO2, CvO2, P50, O2ct, O2cap, sO2, sO2(c), HCO3-std, HCO3-(c), A-aDO2, paO2/pAO2, RI, CcO2, a-VDO2, Qsp/Qt(est), Qsp/Qt, Hct(c), temp corrections
Point of care:
Producer Instrumentation Laboratory
QC features/Capabilities of QC features onboard iQM/monthly report includes number of measurements, mean, maximum, and minimum delta values
Reagent unit storage requirements room temperature
Remote control of device from laboratory yes (with GEMweb Plus)
Sample size differs with number of analytes selected yes
Sample size for complete panel of analyte results 150 µL, 100 µL (CO-ox and tBili), 65 µL micro mode
Sampler has self-wiping probe yes
Service center performs diagnostics through modem no (VPN data transfer can be configured)
Shelf life of components 6 months (cartridge)
Shelf life of disposable units 6 months
Specimen types suitable for device whole blood, capillary, mixed venous, arterial, venous
System can use LOINC to transmit results to LIS yes
System connected (live installations) to which LISs, HISs major HIS/LIS vendors
Time from sample introduction to result availability 70 seconds for electrochemical; 25 additional seconds for CO-ox
Time required for maintenance by lab personnel none (disposable cartridge)
Use a third-party interfacing tool, engine for LIS, HIS interfaces MAS RALS, Telcor

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