Oxevision mental health monitoring tech lacks robust evidence, experts say
Expert witnesses giving evidence to the Lampard Inquiry, which is examining deaths and failings in NHS mental health inpatient care, said there is a lack of robust evidence that Oxevision, a contactless patient-monitoring technology now used across dozens of NHS mental health wards, actually improves patient safety. Testimony to the inquiry noted that despite the technology's wide rollout across England over several years, independent, rigorous research supporting its effectiveness remains limited.
Oxevision is a contactless monitoring system developed by British health technology company Oxehealth. It uses infrared cameras installed in patient rooms to let staff check a patient's pulse, breathing rate and movement remotely from a screen, without physically entering the room. The technology is marketed as reducing the need for routine overnight physical checks that can disturb a patient's sleep, while helping staff spot signs of distress more quickly.
The system has been widely adopted by NHS mental health trusts over the past decade, largely on the premise that it could help prevent incidents such as falls and self-harm on psychiatric wards. The company and some clinicians have argued Oxevision can reduce reliance on restrictive practices — physically restraining or repeatedly disturbing patients to check on them. But experts who spoke to the inquiry said many of those claims rest largely on data generated by the company itself rather than independent, peer-reviewed studies.
Witnesses told the inquiry that much of the existing research is observational in nature, and that randomised controlled trials capable of demonstrating a clear effect on clinical outcomes are lacking. That gap, they said, raises broader questions about how much evidence a new technology should be required to produce before it is deployed at scale in a sensitive clinical setting — psychiatric wards housing patients in acute mental health crises.
The Lampard Inquiry, chaired by Baroness Kate Lampard, is an independent inquiry examining deaths and care failings at NHS mental health inpatient units in Essex over a period of years. It has been hearing evidence from clinicians, bereaved families and technology experts as it builds a fuller picture of systemic problems in inpatient mental health care.
At the centre of the debate is the balance between technological monitoring and human observation. Some patient advocacy groups and mental health charities have warned that remote monitoring via screens risks displacing the face-to-face therapeutic relationship between staff and patients, potentially weakening the quality of care. Privacy concerns have also been repeatedly raised in relation to camera-based systems on psychiatric wards.
NHS trusts that use the technology have defended it, arguing it provides an additional layer of safety during night shifts when staffing is limited, and reduces unnecessary disturbance to patients. Some trust officials say Oxevision is used not as a standalone solution but as a tool that complements, rather than replaces, human observation by ward staff.
Oxehealth has previously said it is working with clinical partners to expand the evidence base supporting the system's safety and effectiveness. The company has stated that the technology is intended to support, not substitute for, human observation of patients.
The inquiry's findings could bring wider scrutiny not just to Oxevision specifically, but to how the NHS procures and rolls out clinical technologies more broadly. Experts giving evidence argued that clearer evidence standards are needed for new technologies deployed in sensitive clinical environments before they become embedded in routine practice.
The Lampard Inquiry's work continues, with a final report expected in the coming period. In the meantime, the Oxevision debate has become a focal point for a wider question about the role of technology in inpatient mental health care — one where the pace of adoption has, according to the evidence heard so far, outrun the pace of proof.
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