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Our online product guides make it easy to view and compare instruments and software systems feature by feature. Each listing includes an Add to Compare Products link. Click this link to compare two or more products. At the bottom of these instructions, you'll see a list of your choices. When you click the Compare button, the products you are comparing will show up side by side in a new window. You can print and/or save the comparisons you create.
| Instrument name | INRatio/INRatio2 PT INR Monitoring System |
| First year sold | 2003 (INRatio)/2008 (INRatio2) |
| No. of units sold in U.S./Outside U.S. | — |
| No. of units sold in 2012 | — |
| • units sold to: | — |
| Country where analyzer designed/Manufactured | U.S./U.S. |
| Is instrument POC or self-monitoring analyzer? | POC and self-monitoring analyzer |
| Specimen type | fingerstick |
| Model type | handheld/portable |
| Dimensions in inches (H × W × D)/Weight | 5.9 × 2.9 × 1.8/9.3 oz with batteries |
| Specimen volume needs | accurate volume not necessary (drop) ~15 µL |
| Clotting-based tests for which device has FDA-cleared applications | PT (reportable range: low 7 seconds, high 75 seconds; INR: low 0.7, high 7.5) |
| Tests using other methodologies for which device has FDA-cleared applications | — |
| FDA-cleared tests but not yet clinically released | — |
| Tests submitted for 510(k) clearance | — |
| Tests in development but not yet submitted for clearance | — |
| Method of endpoint detection | electrochemical detection, change in impedance as sample clots |
| Quality control methods | |
| • Electronic | no (not required, built-in two-level QC on each strip) |
| • Liquid | no (not required, built-in two-level QC on each strip) |
| • Lyophilized | no |
| • Integrated QC with each analysis | yes |
| • Automatic lockout for QC failure | yes |
| • Other | — |
| Time (in minutes) to perform control plus specimen test | |
| • PT: | 1 |
| • PT and PTT: | — |
| • ACT: | — |
| Data-management capability | yes |
| Includes QC | yes |
| System can automatically transfer data to information system | |
| • Patient data | yes |
| • QC data | yes |
| Interface supplied by instrument vendor | yes |
| LOINC codes transmitted with results | — |
| How labs get LOINC codes for reagent kit | — |
| Commercially available systems for which interfaces are up and running in active user sites | Alere CoagClinic and PC Connect |
| Lab can control analyzer remotely | no |
| Real-time wireless linkage to LIS or HIS | no |
| Positive identification system (e.g. bar code) for: | |
| • Patient specimen | no |
| • Reagent | no |
| Onboard system for automatic error detection | yes, for sample (volume), reagent stability |
| Training provided with instrument purchase | yes (on site) |
| Approximate number of training hours needed for: | |
| • Medical staff | 1 |
| • Patient | 1 |
| Patient self-testing program is available | yes |
| Instrument list price | $1,595 professional; $1,995 self-test |
| Reagent rental or lease only | no |
| Cost per sample for: | |
| • PT: Cost per sample for reagent rental | volume-dependent |
| Cost per sample if device purchased | — |
| • PTT: Cost per sample for reagent rental | — |
| Cost per sample if device purchased | — |
| • ACT: Cost per sample for reagent rental | — |
| Cost per sample if device purchased | — |
| CLIA ’88 complexity rating | CLIA waived |
| Distinguishing features (supplied by company) | onboard QC—two levels of quantitative controls with reportable results; individually wrapped, nonrefrigerated test strips; one-drop fingerstick sample; 12-month dating on test strips; 120-test memory, including QC values; simple three-step test process; human recombinant thromboplastin (ISI 1.0) |
| Note: a dash in lieu of an answer means company did not answer question or question is not applicable | |
| Tabulation does not represent an endorsement by the College of American Pathologists. |
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