Rapid disinfection of radiology treatment rooms using an autonomous ultraviolet germicidal irradiation robot

McGinn, Conor; Scott, Robert; Ryan, Cornelia; Donnelly, Niamh; Cullinan, Michael F.; Beckett, Michael C

doi:10.1016/j.ajic.2021.11.022

Cited by 9 publications

(2 citation statements)

References 24 publications

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“…The robot disinfection platform used in this research was developed by Akara Robotics [32] and is shown in Figure 4. This robot is designed for disinfection in hospital settings.…”

Section: Robot Integrationmentioning

confidence: 99%

Development and Demonstration of a Wireless Ultraviolet Sensing Network for Dose Monitoring and Operator Safety in Room Disinfection Applications

Cullinan¹,

Scott²,

Linogao

et al. 2023

Sensors

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The use of mobile ultraviolet-C (UV-C) disinfection devices for the decontamination of surfaces in hospitals and other settings has increased dramatically in recent years. The efficacy of these devices relies on the UV-C dose they deliver to surfaces. This dose is dependent on the room layout, the shadowing, the position of the UV-C source, lamp degradation, humidity and other factors, making it challenging to estimate. Furthermore, since UV-C exposure is regulated, personnel in the room must not be exposed to UV-C doses beyond occupational limits. We proposed a systematic method to monitor the UV-C dose administered to surfaces during a robotic disinfection procedure. This was achieved using a distributed network of wireless UV-C sensors that provide real-time measurements to a robotic platform and operator. These sensors were validated for their linearity and cosine response. To ensure operators could safely remain in the area, a wearable sensor was incorporated to monitor the UV-C exposure of an operator, and it provided an audible warning upon exposure and, if necessary, ceased the UV-C emission from the robot. Enhanced disinfection procedures could then be conducted as items in the room could be rearranged during the procedure to maximise the UV-C fluence delivered to otherwise inaccessible surfaces while allowing UVC disinfection to occur in parallel with traditional cleaning. The system was tested for the terminal disinfection of a hospital ward. During the procedure, the robot was manually positioned in the room by the operator repeatedly, who then used feedback from the sensors to ensure the desired UV-C dose was achieved while also conducting other cleaning tasks. An analysis verified the practicality of this disinfection methodology while highlighting factors which could affect its adoption.

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“…The robot disinfection platform used in this research was developed by Akara Robotics [32] and is shown in Figure 4. This robot is designed for disinfection in hospital settings.…”

Section: Robot Integrationmentioning

confidence: 99%

Development and Demonstration of a Wireless Ultraviolet Sensing Network for Dose Monitoring and Operator Safety in Room Disinfection Applications

Cullinan¹,

Scott²,

Linogao

et al. 2023

Sensors

Self Cite

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“…Figure 26: The deceleration of the autonomous mobile platformDepending on the signal received аfter reаding the QR code, аs seen in the figure27the аutonomous mobile plаtform must stop the motors аnd generаte UV rаys for а predetermined time specified in the code (this time cаn be set to 10, 15, or 20 minutes)[16,17].…”

mentioning

confidence: 99%

Autonomous Mobile Platform With Uv Ray Disinfection System, a Modular and Affordable Solution for Virus Elimination

2024

IJOMAM

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In the post-COVID erа, there hаs been а growing emphasis on the significance of disinfecting objects individuals come into contаct with. Mobile disinfection robots hаve emerged аs а definitive solution to meet this demаnd. However, inherent issues in their current design mаy pose chаllenges leаding to: continuous virus contamination (there is a risk that mobile UV robots may fail to reach all areas or fully eliminate pathogens, which could allow viruses to survive and subsequently spread infections); increase in the number of disease cases (incomplete disinfection may lead to the persistence of viruses in the environment, thereby increasing the likelihood of disease transmission and the emergence of a greater number of infection cases); illness among medical staff (if the environment in which medical staff operate is not fully disinfected, they may be exposed to the risk of infection with various pathogens, jeopardizing their health and ability to provide adequate medical care); the loss of human lives (inefficiency in disinfection can contribute to the spread of infectious diseases, leading to a higher number of deaths among the population, underscoring the need to address and resolve these issues). This scientific endeаvor аims to outline the primаry chаllenges аssociаted with conventional mobile disinfection robots and introduce a solution through the implementation of аn Аutonomous Mobile Plаtform equipped with а UV Ray Disinfection System. A critical issue identified in conventional mobile disinfection robots pertаins to their inаbility to ensure mаximum efficiency in preventing the spreаd of viruses. This limitаtion is often linked to their stаtic structure аnd the incаpacity to efficiently cover the entire space. Furthermore, the risk of continuous аthe introduction of аn Аutonomous Mobile Plаtform integrated with а UV Rаy Disinfhumection System. This innovаtive аpproаch effectively addresses existing limitations in conventional robots. The autonomous mobile plаtform enаbles comprehensive spаtial coverage, eliminating the risk of blind spots and ensuring uniform disinfection. The UV Rаy Disinfection System аdds аn аdditional layer of efficacy by molecularly destroying viruses and bаcteriа, thereby reducing the risk of contаminаtion. In summаry, this reseаrch introduces а technologically advanced and innovative solution to the chаllenges encountered with conventionаl mobile disinfection robots. The integrаtion of аn Autonomous Mobile Platform with a UV Ray Disinfection System opens opportunities for more efficient аnd secure disinfection of spаces, contributing to the mitigаtion of the risk of virus spreаd in the post-COVID period.

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Disinfection and sterilization: New technologies

Rutala,

Donskey,

Weber

2023

American Journal of Infection Control

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Rapid disinfection of radiology treatment rooms using an autonomous ultraviolet germicidal irradiation robot

Cited by 9 publications

References 24 publications

Development and Demonstration of a Wireless Ultraviolet Sensing Network for Dose Monitoring and Operator Safety in Room Disinfection Applications

Development and Demonstration of a Wireless Ultraviolet Sensing Network for Dose Monitoring and Operator Safety in Room Disinfection Applications

Autonomous Mobile Platform With Uv Ray Disinfection System, a Modular and Affordable Solution for Virus Elimination

Disinfection and sterilization: New technologies

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