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ELITechGroup, Envoy 500+ (Chemistry-Immunoassay POC Low Volume, 2018)

ELITechGroup, Envoy 500+ (Chemistry-Immunoassay POC Low Volume, 2018)

Chemistry and immunoassay analyzers for point-of-care and low-volume laboratories, June 2018

Contact Information

Dianna Poissant
Smithfield, RI

Name of instrument Envoy 500+
Type of instrument chemistry
Operational type/Model type batch, random access, continuous random access, discrete/benchtop
List price/First year sold in U.S. $85,000/2014
Targeted hospital bed size/Targeted daily test volume —/20–80 patients
Company manufactures instrument
Other models in this family of analyzers Envoy 500
No. of units in clinical use in U.S./Outside U.S. (countries) 260/—
Dimensions (H × W × D)/Instrument footprint (square feet) 27 × 40 × 23 in./10 sq. ft.
Weight empty/Weight fully loaded 209 lbs./219 lbs.
Tests available on analyzer in U.S. glucose, total iron, magnesium, phosphorus, total protein, urea nitrogen, uric acid, ALT, ALP, AST, amylase, CK, GGT, LDH, lipase, HbA1c, direct LDL, triglycerides, direct HDL, cholesterol, more
Tests not available in U.S. but available in other countries
Tests in development for analyzer
No. of different measured assays onboard simultaneously 40 (40 can be run and calibrated at one time)
No. of user-definable (open chemistry) channels 500 (40 can be active simultaneously)
Test throughput per hour/Assay run time 490/—
No. of direct ion-selective electrode channels 4
Detection methods potentiometry
Stat time until completion/specimen throughput for:
• Ion-selective electrode 3 min., 45 sec./37 specimens per hr.
• Basic metabolic panel 10 min./588 specimens per hr.
• Complete metabolic panel 15 min./266 specimens per hr.
Typical time delay from ordering stat test until aspiration of sample < 1 min.
Fully automated microplate immunoassay system
Methodologies supported
Separation methodologies
Stat time until completion of a ß-hCG test
Typical time delay from test order to aspiration of sample
Stat time until completion of a cTn test
• Typical time delay from test order to aspiration of sample
Approx. No. of tests per reagent set or pack/Reagent type varies/open reagent system
Reagents refrigerated onboard/Reagents ready to use yes (10°–15°C)/yes
Reagent lot tracking/Reagent inventory yes/yes
Reagent form/Reagents barcoded liquid chemistry (open reagent system)/yes
Separate reagent pack for each specimen/for each test run no/no
Walkaway capability/Walkaway duration yes/240 min. or 52 specimens or > 1,000 tests/assays
Design of sample handling system ring
Uses washable cuvettes/Uses disposable cuvettes yes/no
Min.–max. sample volume that can be aspirated at one time 1–100 µL
Min. reaction volume/Min. specimen volume/Min. dead volume 300 µL/1 µL/100 µL
Dedicated pediatric sample cup no
Primary tube sampling/Pierces caps on primary tubes yes (all tube sizes)/no
Protects against probe collision yes
Detects clots/liquid level/short sample yes/yes/yes
Detection for hemolysis/icterus/lipemia/clots no/no/no/yes
Dilutes patient samples onboard/Susceptibility to carryover yes/—
Automatic rerun capability yes
Sample volume can be diluted to rerun out-of-linear-range high results/concentrated to rerun out-of-linear-range low results yes/no
Analyzer requires dedicated water supply no (1 L/hr. consumption during operation)
Autocalibration/Multipoint calibration supported no (calibrants are not stored onboard)/yes
Typical calibration frequency for ISE/therapeutic drugs/ drugs of abuse/general chemistries/immunoassays 4 hrs./—/—/7–31 days/—
Automatic programmable start/Automatic programmable shutdown yes (7 min. avg. start-up time)/no
Onboard real-time QC/Onboard software capability to review QC yes/yes
Supports multiple QC lot numbers per analyte yes
Waste management automated collection onboard instrument, direct to drain
Sample barcode-reading capability/Autodiscrimination yes (Interleaved 2 of 5, Codabar, Code 39, Code 128)/no
Lab can control analyzer from remote computer no
Instrument can diagnose its own malfunctions yes (operator intervention required to order parts)
System malfunctions can be diagnosed via remote monitoring yes
UPS backup power supply/Data-management capability yes/onboard
LIS or EHR systems interfaced CGM LabDaq, Schuyler House SchuyLab, McKesson Horizon Lab
LIS interface provided/Bidirectional interface capability no/yes (host query)
Modem servicing provided/Service engineer on-site response time yes/24 hrs.
Mean time between failures — (displays error codes for troubleshooting)
Average scheduled maintenance time by lab personnel weekly: 15 min.; monthly: 15 min.
Maintenance records kept onboard for user/vendor yes/no
Maintenance training demonstration module onboard no
Training included with purchase/Avg. time for basic user training yes (2 training slots)/3 days (at customer site)
Advanced operator training/Where advanced training is held yes/customer site
Warranty provided/Cost of annual service contract (24 h/7 d) yes (1 year)/$8,995 (M–F, 8 am–8 pm)
Distinguishing features (supplied by company) • fast benchtop chemistry system • reusable glass cuvettes eliminate cost of disposable cuvettes • 4-parameter (Na+, K+, Cl-, CO2) dry electrodes reduce costs and maintenance time, increase reliability of results
Note: a dash in lieu of an answer means company did not answer question or question is not applicable
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