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Design of Point-of-Care Ultrasound Device and Applicator to be Used in an at-Home Setting
Start Date: 5/14/2024Start Time: 2:00 PM
End Date: 5/14/2024End Time: 4:00 PM

Event Description
BIOMED PhD Thesis Defense

Title:
Design of Point-of-Care Ultrasound Device and Applicator to be Used in an at-Home Setting – A Holistic Approach

Speaker:
Karissa Barbarevech, PhD Candidate
School of Biomedical Engineering, Science and Health Systems
Drexel University
 
Advisor:
Peter A. Lewin, PhD
Richard B. Beard Distinguished University Professor
School of Biomedical Engineering, Science and Health Systems
Drexel University

Details:
The primary purpose of this work was to design and implement a compact, battery-powered, fully wearable applicator for delivering therapeutic low-frequency (20-40kHz), low-intensity (100mW/cm2 ISPTP) (LFLI) ultrasound to enable treatment of chronic wounds in home setting. Such a device does not currently exist, and in addition to engineering aspects associated with electromechanical design, its implementation requires a novel approach involving consideration of feedback received not only from healthcare professionals, but also caregivers. One strong motivation for the novel design approach is to enable individuals with chronic wounds to enhance self-care management of wounds in the home setting instead of a hospital or outpatient clinic environment. In the home setting, the device may be exposed to physical maltreatment, requiring precautions with respect to its sturdiness.

Although the holistic approach presented has been applied to the design of an applicator for chronic wounds, the design considerations and execution are transferable to any device targeted for home use. The implementation exemplified here examines transformation of an early, relatively fragile design into a robust, time-programmable, safe tool. The modification, which includes comprehensive reconfiguration and redesign of the electronics driving a piezoelectric transducer is presented along with methodology devised with the field feedback obtained from focus groups. This feedback evinced that in addition to electrical engineering, an extensive background in mechanical engineering, material science, biology, and clinical practice is needed to fabricate an end-user friendly, quality-of-life improving, ergonomic device.
Contact Information:
Name: Natalia Broz
Email: njb33@drexel.edu
Karissa Barbarevech
Location:
Bossone Research Center, Room 302, located at 32nd and Market Streets.
Audience:
  • Undergraduate Students
  • Graduate Students
  • Faculty
  • Staff
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