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A robotized hospital bed for COVID-19 patients
Post: 2020-12-18 13:15  View:322

The fight against the COVID-19 pandemic involves actions both at a pharmacological and therapeutic levels with therapies assisted by medical devices. Al the laboratory LARM2 in Rome in synergy and collaboration with doctors of the infectious diseases department of the Rome Tor Vergata University dealing with the COVID patient ward, the problem of improving the hospitalization status of patients immobilized on the bed during therapy in the intensive and sub-intensive rooms was addressed to mitigate the complete immobilization and effects of the virus that determine a rapid and significant deterioration of the physical and neuromuscular state of patients with acute pulmonary situation. It was therefore studied the possibility of allowing a controlled programmed mobility of the bedridden patient by further segmenting the bed structure to obtain even lateral movements that can help the patient by limiting the effects for decubitus and also improving the pulmonary situation, which requires periodic patient handling. The design solution is represented in Fig. 1 , [1] as from patent filed during the first lockdown period and still under development for prototype constructions. The proposed solution is characterized by the fact that the portions of the bed that already foresee trunk-leg movements are further segmented with further segments that provide lateral movements of the trunk and legs in an independent or coordinated manner. The sketches in Fig.2 schematically represent the functionality of the bed and the benefits and mobility for the patient, Fig.2a) and above all of medical therapy to alleviate if not even facilitating the ventilatory function by reducing secretions in the lungs as due by immobilization, Fig. 2b). Further development activities are planned for the robotized bed robot with adequate sensorization both for the motor control of the bed and for medical therapies and the state of the patient for which projects have been planned with requests of funding in national and international programs that do well hope in the practical realization of the proposed solution.

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Fig. 1 A conceptual design of robotized hospital beds with movable segments: a) overall segmented bed frame; b) laterally movable segments

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Fig.2 Benefits in immobilized bed patients with the proposed of robotized hospital beds with movable segments: a) additional lateral body mobility (aT trunk rotation, aL leg rotation); b) reduction of pulmonary secretions

 

References 

1. Ceccarelli M., Bed with moving part, Patent request no. IT102020000014263, 2020, Italy (in Italian)

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