Cadaveric skull and tissue cutting manipulator: autopsy equipment that provides safety against airborne infection and CO
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ORIGINAL ARTICLE
Cadaveric skull and tissue cutting manipulator: autopsy equipment that provides safety against airborne infection and COVID-19 Arnon Jumlongkul 1 Received: 12 May 2020 / Accepted: 13 October 2020 # Sociedade Brasileira de Engenharia Biomedica 2020
Abstract Purpose Many autopsies, including COVID-19 cases, will be carried out where the cause of death, including COVID-19 cases, is unknown and the mortuary staffs will possibly be exposed to infectious bone dust and secretions. To help our funeral colleagues minimize their risk of infection, this manipulator was created to help prevent such serious events, as well as other conditions related to airborne diseases. This article provides some technical details necessary for creating an autopsy saw, including the machinery design, control system design, specification of devices, and other abilities of this machine. Methods The manipulator consists of a control system, linear actuator motors, a gearbox with DC gear motor, DC gear servo coreless motor, and the out-runner brushless DC electric motor. Results The results showed that the manipulator can be assembled to fit to, and be removed from, an autopsy bed without drilling into the bed surfaces. There is adjustment of the cutting range, both vertically and horizontally, via a remote control. The saw frame can be rotated through 360° for skull and tissue cutting. The saw blade depth can be adjusted from 0 to 3 cm. The rotational speed of the saw blade can be regulated from 0 to 10,080 RPM. The cutting procedure can be controlled remotely, up to 20 m away from the manipulator. Conclusion In future projects, the instrument design should allow control incorporating “Internet of things” technology, be constructed under a multipurpose autopsy machine concept, and also autonomously conduct a full autopsy procedure. Keywords Autopsy manipulator . Autopsy robot . COVID-19 . Safety mortuary . Skull cutting
Introduction In this current situation, the number of deaths from the coronavirus disease 2019 or COVID-19 is likely increase in Europe, the USA, and other areas around the world. According to the infection and prevention control for a COVID-19 dead body, proposed by the World Health Organization, performed autopsies should be done either in an adequately negative pressure room with at least 12 air changes per hour or a natural ventilated room with at least 160 L/s/patient air flow, respectively. Appropriate personal protective equipment (PPE) should be available for mortuary staff and also safety procedures must be followed as in all
* Arnon Jumlongkul [email protected] 1
School of Medicine, Mae Fah Luang University, Chiang Rai 57100, Thailand
autopsies of a deceased person who died from any acute respiratory infection (World Health Organization 2020). Sometimes in cases of death, who were diagnosed as a patient under investigation (PUI) and also the COVID-19 infection, it is necessary to open the internal cranial, thoracic, as well as the abdominal organs to answer questions relating to the cause of dea
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