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Quality, reliability and safety are primary concerns in your professional world—and in ours. At SiTEL of MedStar Health, we provide a comprehensive education and training solution to those who work in healthcare. As seasoned professionals, we have many years of experience in the practice and management of medicine and healthcare, respectively. We understand how training impacts performance in hospitals.
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Blog
23
Oct
2010
2010
IEEE Paper, Real-Time Intubation Simulator
Posted by Todd Borghesani
We are proud to announce that the paper “Real-Time Fiber-Optic Intubation Simulator with Force Feedback” written by Ankur R. Baheti, Robert Hafey, Sneha Pai, Jose Gomez, Yuri Millo, and Jaydev P. Desai was accepted for publication in the IEEE/ASME Journal “Transactions on Mechatronics.” The abstract of the paper is below.
Fiber-optic intubation is an emergency procedure that can be performed to intubate a patient when the patient has serious difficulty breathing normally. The existing simulators for fiber-optic intubation procedure provide haptic feedback to the user when there is contact with the vocal cord section, but they do not capture the grazing effect of the endoscope along the inner walls of the airway. The grazing on the inner walls of the airway, if not well controlled, could lead to unnecessary trauma for the patient.
Hence, there is a need to provide this force feedback in a fiber-optic intubation simulator. We have built a fiber-optic intubation simulator with force feedback. This system is composed of a software simulation coupled with a physics-based simulation which enhances the visual experience. The software simulation is connected to a haptic feedback device. The device provides force feedback when contact is made with the any section of the airway. The force feedback varies based on the position of contact and intensity of contact. We use a PD controller to obtain force feedback at the vocal cord section and a variable magnetic field to capture the grazing effect of the endoscope along the inner walls of the airway.
The movements of the endoscope are captured using rotary encoders (which read the insertion and the tip bend) and a compass module (which reads the twist angle of the endoscope along the long axis). These movements are used to navigate the virtual airway using a virtual endoscope. When collisions are encountered, the physics library evaluates the position of contact and the force with which contact is made. Force feedback is generated due to the interaction of the solenoids with the permanent magnets at the tip of the endoscope. This information helps the software to actuate the right combination of solenoids.
The simulator will help to train all aspects of fiber-optic intubation, namely: 1) developing the necessary psychomotor skills to successfully navigate the airway with minimal or no damage to the airway or vocal cords and 2) cognitive skills to perform the procedure fast and effectively.
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Authors
Hollie Adejumo
Hollie Adejumo has been a high school intern at the SiTEL Clinical Simulation Center since 2010. Her principal areas of academic interest include chemistry, calculus, and global health. She is interested in providing medical services to the public and serving as a health advocate for underrepresented populations. Hollie hopes that her research will help to reduce unnecessary deaths in the future. She will pursue a bachelor’s degree in chemical engineering, which will enable her to combine her interests. Proceeding to obtain an MD/PhD will give her the ability to have autonomy in the practice of medicine. This year Ms. Adejumo will be assessing the need for orthopedic simulators, and hopes to begin designing a program for an orthopedic simulator by the end of the year. Outside of school, Hollie participates in a variety of activities. Although she has been a competitive swimmer for most of her life, she also enjoys running cross country and track.
Joyce Donnellan
As the Director of Learning Management, Joyce Donnellan brings over two decades of experience in critical care nursing education and professional development to SiTEL, Medstar’s Simulation and Training Environment Laboratory. She oversees the development and operation of SiTEL’s learning management system. Ms. Donnellan specializes in the development and integration of the learning management systems in complex and decentralized environments. She has extensive experience in education and training, including the development of curricula for both live and e-learning platforms. Ms. Donnellan enjoys collaborating with program directors, educators, and other stakeholders to develop training events and effective curricula. Her research endeavors include studying the impact of online learning on organizational behavior, as well as the integration of educational games into curriculum development. Joyce has presented nationally on e-learning topics, and on innovation in emergency preparedness training. She earned her Master’s of Science in Nursing degree from George Mason University.
Pamela Leonard
Pamela Leonard brings over 15 years of experience in critical care nursing and management to her role as the Director of the SiTEL’s Clinical Simulation Centers. Pam established the first simulation center for MedStar Health and now oversees the operations of several clinical simulation centers in the greater Washington, DC and Baltimore areas. She leads the Clinical Simulation Consulting Services at SiTEL, leveraging best practices pioneered at MedStar to integrate simulation training and education programs into healthcare operations. Pam works closely with Advanced Initiatives in Medical Simulation. AIMS is a coalition of individuals and organizations committed to promoting medical simulation as a way to improve patient safety, reduce medical errors, ensure provider competency, train people to respond to public emergencies and combat situations, and reduce health care costs.
