How long does the process take?
The cartridge prepares a positive blood culture sample in approximately five minutes.
Positive blood culture sample preparation
Earlier results on the lab systems you already own
Positive blood culture in. Viable bacteria out.
The 3iDx cartridge acts on positive blood culture samples. It converts positive blood culture sample into a test-ready microbial suspension for analysis using existing laboratory systems.
The 3iDx cartridge is not currently FDA-cleared.
IDWeek 2026Attending IDWeek 2026? We'll be there and would welcome the opportunity to meet.
Get in touch to connect →The wait
Your lab already has the systems. The wait comes first.
After a blood culture flags positive, most samples wait about a day for colonies to grow before analysis can begin. That overnight step is where the time goes, and it's the step the cartridge removes.
Existing Laboratory Instruments
Today
3iDx cartridge + Existing Laboratory Instruments
With 3iDx
5 minutes
Same laboratory systems
Recover and analyze a broad range of bacteria
~24 hours faster results
How it fits
One front-end step. Existing downstream methods.
The cartridge fits between a positive blood culture and downstream laboratory analysis. It prepares a microbial suspension while leaving identification and susceptibility testing to the laboratory's established methods.
01Input
Positive blood culture
A sample from a positive blood culture is introduced into the cartridge.
02Preparation
Cartridge processing
Blood-culture matrix components are reduced and viable bacteria are recovered.
03Output
Microbial suspension
Recovered bacteria are available for downstream laboratory analysis.
What labs ask us first
Practical questions, straightforward answers.
Do I need another instrument?
No new analytical instrument is required. The cartridge is designed to prepare viable bacteria for analysis using existing laboratory systems.
Is the procedure complicated?
No. It involves a short sample-preparation procedure using the cartridge, without requiring a separate proprietary reagent system.
What does the cartridge produce?
A suspension of viable bacteria that can be used for subsequent laboratory analysis.
A natural question
Is it really that simple?
The cartridge is a consumable sample-preparation device. It does not require a new analytical instrument or a proprietary reagent platform. Laboratories continue to use their established downstream methods.
What happens next
Start with a conversation.
Different laboratories have different questions. These are possible ways to engage—not a required sequence.
01Conversation
Let's talk
Discuss the cartridge, how it works, and findings from laboratory evaluations.
02Demonstration
Arrange a demonstration
Explore an opportunity for us to demonstrate the cartridge in your laboratory.
03Feasibility
Explore a feasibility evaluation
Discuss the possibility of evaluating the cartridge in your laboratory.
Contact 3iDx
Interested in learning more?
Tell us what interests you. We can share more about the technology, discuss evaluation findings, or explore a conversation about your laboratory.
Attending IDWeek? Mention it in your message if you'd like to meet there.
Email: info@3idx.com
Send an inquiry
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