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Designing the user interface for an infusion pump
Published in Don Harris, Engineering Psychology and Cognitive Ergonomics, 2020
Erik Liljegren, Karin Garnier, Anna-Lisa Osvalder, Sven Dahlman
The use of advanced technical equipment in medicine is becoming increasingly intense. The equipment is offering steadily improved treatment and diagnostic capabilities, but it also introduces increased risks of incidents due to human error. One area that has been identified as a high-risk area is the Intensive Care Unit (ICU). In an ICU, one of the most common pieces of equipment is the infusion pump. Infusion pumps are used when drugs are given intravenously to a patient and the delivery needs to be regulated accurately. Very often the infusion pumps are of different types and come from several different manufacturers. This means that the design of the man-machine interface and the handling procedures differ a lot which leads to high demands on the users. Today there is no standard available and it seems that manufacturers have taken a low interest in the problem and the consumer side is not well organised to set requirements. Infusion pumps are often involved in incidents and accidents (Socialstyrelsen, 1994).
Big Data in Critical Care Using Artemis
Published in Ervin Sejdić, Tiago H. Falk, Signal Processing and Machine Learning for Biomedical Big Data, 2018
There are many medical devices used within critical care. Some are used to monitor the patient’s physiological state; others such as ventilators provide breathing support. Infusion pumps can be used to provide medication, fluids, and/or nutrition. One common physiological stream that is captured from a medical monitor is ECG, which provides details on the functioning of the heart. Within the adult population, this is usually sampled at a speed of at least 200 readings a second, and within the neonatal space, devices recording readings of between 500 and 1000 readings a second are used. These readings are used to construct a waveform that is displayed on a monitor for the device. At 1000 readings a second, this translates to 86.4 million readings a day per patient [11]. Average heart rate values are derived from this signal by the same medical device usually at a sampling rate of one reading a second. A chest wall movement waveform can be derived from the electrodes used for a three-lead ECG. This is sampled at 62.5 readings a second within the Philips IntelliVue device. A respiratory rate is derived from this waveform each second. This results in 86,400 readings for heart rate and respiration rate being created each day.
Mobile Medical Devices
Published in Ali Youssef, Douglas McDonald II, Jon Linton, Bob Zemke, Aaron Earle, Wi-Fi Enabled Healthcare, 2014
Ali Youssef, Douglas McDonald II, Jon Linton, Bob Zemke, Aaron Earle
The invention of the wearable intravenous (IV) infusion pump by Dean Kamen in the 1970s was a major catalyst for medical device engineers to start looking into ways to keep these types of medical devices connected to the network while being mobile. Infusion pumps can be used in scenarios ranging from basic hydrations to blood transfusions, or efficient delivery of medicines.
The effect of personal protective equipment use on nurses’ tendencies to make medical errors and types of their medical errors: a cross-sectional study
Published in International Journal of Occupational Safety and Ergonomics, 2023
Cennet Çiriş Yildiz, Dilek Yildirim, Kardelen Günay
The second part consisted of a 32-question questionnaire taken from the master’s thesis of Altınkum [12] to determine the views of the nurses on the types of medical errors they face most in hospitals. The participants were asked the question ‘What is the incidence of the following errors in your hospital?’ and they answered each item in the inventory by marking one of the answers among ‘never, very rarely, sometimes, often, and very often’. The participants were asked to consider medical errors made in the last year while responding to this part. These errors included hospital infections, needle/sharp object injuries, fatally damaging falls, complete lack of treatment or delay in treatment, wrong dose of medication, wrong site of medication administration (confusing the intramuscular or intravenous site), contaminated medication use or blood collection, bedsores, postoperative complications, expired medication use, patients escaping, errors caused by tool/equipment malfunction, problems related to using medication with side effects, inadequacy of diagnostic tests, misdiagnosis, ventilator-related problems, infusion pump errors, transfusion errors and confusing acronyms/abbreviations [12]. To confirm the responses of the participants to the form, the open-ended question ‘Could you write down the types of medical errors made in the last year due to PPE use?’ was asked.
Involvement of the open-source community in combating the worldwide COVID-19 pandemic: a review
Published in Journal of Medical Engineering & Technology, 2020
John Scott Frazer, Amelia Shard, James Herdman
A more achievable goal for the open-source community may be manufacture of syringe pumps. As all ventilated patients will have continuous infusions for sedation and blood pressure control, infusion pump shortages are very likely as ventilator stocks improve. While this technology must also be extremely robust when used clinically, a syringe pump itself does not come into contact with either the patient or drugs, which are contained within a medical-grade syringe. This makes the chance of exposing the patient to potentially hazardous FDM materials very low. An open-source device has been designed for use in a lab setting [34], although would require further extensive testing and incorporation of fail-safe mechanisms.
Flow rate accuracy of ambulatory elastomeric and electronic infusion pumps when exposed to height and back pressures experienced during home infusion therapy
Published in Expert Review of Medical Devices, 2019
Jodie G Hobbs, Melissa K Ryan, Aaron Mohtar, Andrew J Sluggett, Janet K Sluggett, Brett Ritchie, Karen J Reynolds
During a simulated infusion, the height at which the infusion pump is situated, and the back pressure or resistance applied to the pump frequently impacted on the flow rate and infusion duration for a range of commonly used elastomeric infusion pumps, but had less impact on the electronic infusion pump tested in this study. It is important for clinicians to be aware of both the advantages and practical limitations when elastomeric and electronic infusion pumps are used for continuous infusions, particularly in the home setting where conditions can be variable.