Design And Control of Patient Bed For Prevention Pressure Ulcers in Long-Term Inpatients

Pressure ulcers cause a lot of pain and discomfort in the patient. It also has a negative impact on the quality of life. Some patient’s treatment process may be take longer in hospitals. Like accident injuries, orthopedic treatments, long-term oncologic treatments. In these processes the time that spent on patient beds is very important. These patients must not be moved while the healing process. Especially elderly patients’ and in these long-term patients some bed injuries may occur because of the pressure on their body named bed sores. Due to the negative effects of pressure ulcers on patients and costly treatment, they must be prevented. Controlling the pressure intensity can help prevent pressure ulcers. Currently, the solutions to prevent pressure ulcers include using different methods for movement and displacement of patients. In this study, a patient bed has been designed to prevent pressure ulcers in long-term inpatients as application of electronics in medicine. In this bed, several plastic balls placed on pressure points. These points are the most pressurized points of the human body. The control of pressure in this points to be implemented in real time by an arduino mega controller board. Then the simplified control system is tested on the designed bed. The air inside the airbags placed at the pressure points according to the pressure sensor values connected to the designed system is changed by the compressor. It has been observed that the pressure values decreased by an average of 8-11% by inflating the balls at the pressure points in the designed patient bed system In this way, pressure ulcers occurring at pressure points can be reduced and pressure ulcers can be prevented.

Keywords:

pressure ulcer, bedsore patient bed, pressure sensor,

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