GUarded by Advanced Radar technology-based DIagnostics Applied in palliative and intensive care Nursing (GUARDIAN)
GUARDIAN is a BMBF-funded project of the call for proposals: Innovations for intensive and palliative care; funding number is 16SV7695.
Research into the non-contact recording of respiration and heartbeat of critically ill patients over short and medium distances using radar; development of a compact, mobile and cost-effective module for improving the quality of life of patients, relieving the nursing staff, increased diagnostic certainty by means of permanent recording and automated evaluation and documentation in the hospital information System.
In the care of seriously ill people, the recording of respiration and heartbeat may be necessary for crisis detection. The previously necessary derivation via electrodes on the patient’s body and the connected cables limit the self-determination and quality of life of palliative and intensive care patients and lead to false alarms and complications such as mental confusion. GUARDIAN should enable the contactless monitoring of vital parameters to ensure health. Patients can change their position in the bed at will and move freely in a GUARDIAN-protected room.
By using six-port interferometry as a new concept, all body movements are recorded in a contactless manner from a distance of up to several meters with previously unattained distance resolution in the micrometer range. Respiration and heartbeat are extracted from the temporal signal curve. At the same time, ambiguities and non-idealities of the six-port principle are compensated by the system approach of a multimodal sensor.
One goal of the project is the research and prototypical development of a radar-based sensor that makes it possible to measure the vital signs heart rate and respiration of a patient without physical contact over distances of up to several meters.
GUARDIAN thus offers the possibility to continuously monitor vital signs without the need for contact- and cable-based monitoring with decisive advantages for patients and practitioners.
Further members of the interdisciplinary project team are:
Research Associate: Dr. Anke Malessa
Contact: Dr. Tobias Steigleder, Dr. Anke Malessa