PREVI^® Isola

The PREVI^® Isola system is an automated plate streaker instrument which performs standardized inoculation. It is ideal for veterinary diagnostic laboratories which deal with microbiology specimen processing.

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Revolutionized inoculation for veterinary laboratories

Performing manually pre-analytical phases of microbiology can be extremely time-consuming for a veterinary laboratory. That is why bioMerieux has developed the PREVI^® ISOLA system. This automated instrument is made of a revolutionary applicator which uses high precision technology to both standardize and maximize colony inoculation.

The patented robotic system of PREVI Isola performs 90% of the steps required to process liquid microbiology specimen samples. Fully automated, the PREVI^® Isola system guarantees both workflow and efficiency improvement.

Benefits of PREVI^® Isola

• Improved Workflow & Productivity
  • High Throughput with 180 plates inoculated per hour
  • Improved downstream productivity with more isolated colonies
  • Offer of Full Microbiology Lab Workflow Services to integrate PREVI^® Isola completely into your lab setting

• Quality
  • Automation brings standardized results that are not user dependent
  • Increased number of isolated colonies per plate
  • New applicator used for each plate
  • HEPA filter manages instrument exhaust to ensure safety & security

• Improved Traceability
  • The instrument’s software tracks:
    • Plate lot numbers
    • Expiration dates
    • Consumption levels
    • Type of specimen used on each plate

• Flexibility
  • With PREVI^® Isola, manage varying specimen types at once
  • Compatibility with 5 different medias, including bi-plates, to accommodate multiple culture protocols
  • Choice of 5 different diameter specimen tubes
  • Two sample volumes depending on culture type
  • Set-up protocol configurable to individual customer needs

• User-friendly
  • Icon-based, touch screen operation
  • Output cassettes can be placed directly into the incubator

• Connectivity
  • Time-saving connections
  • If you choose to add a VILINK™ connection to PREVI Isola you gain remote access by local bioMérieux customer service personnel who can deal directly with your issue or immediately request real-time higher level support. This means more rapid and accurate diagnosis and resolution of instrument and software connections

• Maximum throughput is 180 plates per hour
• Tips are Axygen TR-120μl LRS plugged tips (96/plt, 10 bx/cs)
• Applicators come 120 to cartridge (8 cartridges/bx)
• Each of the 5 input cassettes hold 30 plates
• Dimensions: 4.8’ Length / 2.8’ Width / 5.5’ Height
• 5 separate racks for varying specimen container diameters

Many customers worldwide have already joined the growing ranks of PREVI™ Isola users. They have been won over by the superior inoculation of this automated streaking method in comparison with the traditional method. Share a few of their impressions on this amazing instrument.

PREVI Isola has provided our lab with a  better and consistent quality of plate streaking. For stool samples we have noticed an increased number of isolated colonies and for those often tricky urine specimens we report results faster.

Because PREVI Isola saves us time our daily workload is smoother, and we have a wider time slot that we can use any time in the day.

My lab staff has also been quick to adopt the instrument as they can physically see the benefits for themselves. I can safely say that introducing PREVI Isola to our lab has certainly been worth while.

Dr Stefan Zimmermann, Assistant Medical Director, Department of Infectious Diseases, Medical Microbiology and Hygiene, Heidelberg - Germany

Since introducing PREVI Isola into our lab we have seen substantial time savings and an increase in traceability. We greatly appreciate the fact that plate streaking is now standardized. PREVI Isola is just so fast and standalone that I can see us needing another one soon!

It has given us more time to focus on other daily tasks and manage our daily microbiology workload. In fact, it's just like having another technologist in our lab.

Dr Franca Benini and her laboratory team,Unico Area Vasta Romagna Laboratory, Pievestina di Cesena - Italy

Since introducing PREVI Isola into your lab what have been the 3 main benefits to your lab?
I would safely say that we have :

• Gained in technical time
• Improved the quality of colonies isolated colonies
• Standardized the procedure while improving traceability

How have you measured those benefits?
It’s just impossible for me to even think of going back to the “before PREVI Isola” way of working.

The gain in productivity can be seen in having 1.5 FTE doing something else while being able to increase our activity by 15% without having to take anyone else onboard – we’re talking of a total productivity gain of 20 – 25%!

There is also less re-plating to do and a noticeable decrease in the level of susceptibility test contamination. We systematically keep to the GBEA for automated plate inoculation and can automatically trace the plates inoculated.

Lab technicians have also been able to save on time and spend it doing other more interesting specimen tasks and working on quality procedures.

With less plate inoculation to do, what work or career opportunities were you able to develop to motivate your technologists?
As lab manager, I have been able to develop the molecular biology sector and can now perform other types of analyses like viral load.

I have also fully implicated my lab staff in the quality procedures (method validation, drafting up quality procedures and controls…)

From a lab technician point of view, with the time saved since the introduction of PREVI Isola, what other valuable lab skills do you think they will be developing?
They have been able to spend more time on difficult specimen collections and their manual inoculation.

They have also been able to take on additional analysis work with the same lab team and go as far as better catering for late specimens arrivals which previously had often been problematic. And incredibly all this extra work but with less stress!

With PREVI Isola freeing up their afternoons from inoculating they have been able to develop our hygiene security measures, spend more time reading and interpreting direct examinations and work more on the standard 15189.

Dr Gueudet, Schuh Laboratory, Strasbourg - France