Designed to transplant more organs
and improve outcomes
OrganOx metra is transforming liver transplantation, enabling functional assessment of donor organs prior to transplantation, reducing early allograft dysfunction and improving transplantation logistics, to the benefit of both transplant recipients and hospitals.1—4


With the OrganOx metra, the donor liver is continuously perfused with oxygenated blood, medications and nutrients at normal body temperature and near physiological pressures and flows. The metra is fully automated, easy-to-use and can preserve the donor organ in a functional state for up to 24 hours.1
MacRobert Award 2019
OrganOx was honoured to be shortlisted for the MacRobert Award in 2019; the UK's most prestigious prize for UK engineering innovation. Watch our finalist video here, highlighting the clinical impact of the metra:

Explore the normothermic machine perfusion scientific and clinical evidence base
Scientific and clinical evidence-
11th May 2022
OrganOx announces partnership with Ochre Bio
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20th December 2021
OrganOx receives FDA approval for metra device
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8th November 2021
OrganOx completes £6.4m equity fundraise
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12 - 17 Sep 2020
TTS Annual Congress
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22 - 25 Jun 2020
AOPO Annual Meeting
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30 - 30 May 2020
ATC Congress
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References: 1. As demonstrated by a reduction in in Early Allograft Dysfunction from 30% (static cold storage) to 10% (metra). Nasralla D et al. Nature 2018; 557(7703):50–56. 2. Mergental H et al. Hepatology 2018; 68(1):(Suppl). 3. NICE Interventional procedures guidance (IPG636). Available at: https://www.nice.org.uk/guidance/ipg636. 4. Bral M et al. Liver Transpl 2019; 25(6):848–858.