2026-09-19T20:27:25Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/1393262022-01-15T03:14:39Zcom_1721.1_7582com_1721.1_7581col_1721.1_131023
Dagdeviren, Canan
Mejorado III, David
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
2022-01-14T15:04:15Z
2022-01-14T15:04:15Z
2021-06
2021-06-17T20:13:47.754Z
https://hdl.handle.net/1721.1/139326
Medical ultrasound imaging is a rapidly growing field due to its safety and affordability when compared to other imaging modalities such as MRI and X-Ray. Ultrasound transducers are made in various configurations from dense 2-D arrays for volumetric imaging to single element needle like transducers for intravascular imaging. The performance of an ultrasound transducer is dictated by the properties of the piezoelectric material being used. One current drawback to ultrasound is that it is heavily operator dependent. This has motivated research into developing ultrasound systems that are conformable to the body and capable of obtaining relevant information without the need for an operator. This thesis explores the design and fabrication of a locally rigid globally flexible ultrasound patch using novel piezoelectric ceramics. The ceramics are fabricated into 64 element linear arrays transducers and then their electrical impedance and acoustic properties are characterized. Individual and groups of transducers are then used to image a flat and a curved ultrasound imaging phantoms via the Verasonics system.
M.Eng.
Massachusetts Institute of Technology
In Copyright - Educational Use Permitted
Copyright MIT
http://rightsstatements.org/page/InC-EDU/1.0/
Multi Array, Conformable Ultrasound Patch for Soft Tissue Imaging
Thesis
application/pdf
Master
Master of Engineering in Electrical Engineering and Computer Science
Publication
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unknown
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<Abstract>Medical ultrasound imaging is a rapidly growing field due to its safety and affordability when compared to other imaging modalities such as MRI and X-Ray. Ultrasound transducers are made in various configurations from dense 2-D arrays for volumetric imaging to single element needle like transducers for intravascular imaging. The performance of an ultrasound transducer is dictated by the properties of the piezoelectric material being used. One current drawback to ultrasound is that it is heavily operator dependent. This has motivated research into developing ultrasound systems that are conformable to the body and capable of obtaining relevant information without the need for an operator. This thesis explores the design and fabrication of a locally rigid globally flexible ultrasound patch using novel piezoelectric ceramics. The ceramics are fabricated into 64 element linear arrays transducers and then their electrical impedance and acoustic properties are characterized. Individual and groups of transducers are then used to image a flat and a curved ultrasound imaging phantoms via the Verasonics system.</Abstract>
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