PolyU IR

PolyU Institutional Repository >
Health Technology and Informatics >
HTI Journal/Magazine Articles >

Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/2333

Title: A new scanning approach for limb extremities using a water bag in freehand 3-D ultrasound
Authors: Huang, Qing-Hua
Zheng, Yong-Ping
Subjects: Three-dimensional ultrasound
3-D ultrasound
Musculoskeletal tissues
Limb extremity
Water bag
Issue Date: Apr-2005
Publisher: Elsevier for the World Federation for Ultrasound in Medicine and Biology
Citation: Ultrasound in medicine and biology, Apr. 2005, v. 31, no. 4, p. 575-583.
Abstract: 3-D ultrasound (US) can significantly improve the visualization of musculoskeletal tissues, such as residual limbs, feet and hands. Traditionally, mechanical scanning is normally required to obtain the entire volume of these limb extremities. In this paper, a new scanning approach using a water bag was described to collect the complete volume of various tissues surrounding bones. The water bag was used to contain the limb extremity and the scanning was conducted on its external surface from different directions. The recorded 2-D US images containing complete anatomic information surrounding the bones from different directions were used to form full 3-D volumes of the limb extremities. A plastic auxiliary apparatus was designed to hold the water bag and support the subject’s limb part with an armrest. A corresponding algorithm was proposed to remove invalid image information within each sweep by a separating plane defined semiautomatically. Two phantoms were used to test the repeatability and accuracy of the imaging. The distance between two plastic bands attached to a plastic tube filled with US gel measured by a micrometer and from the four reconstructed volumes were 39.03 ± 0.36 mm and 39.2 ± 0.5 mm, respectively. The diameter, height and volume of a silicone cylinder phantom measured for the 10 reconstructed volumes were 40.2 ± 1.4 mm, 12.9 ± 1.0 mm and 16400 ± 1600 mm³, respectively. They agreed with the corresponding results obtained by the micrometer, which were 41.29 ± 0.13 mm, 12.98 ± 0.17 mm and 17370 ± 140 mm³, respectively. The reconstructed volumes of the two phantoms, a chicken leg in vitro, and human fingers in vivo were also reported. The preliminary results obtained in this study demonstrated that this new scanning approach should have potential for the 3-D US imaging of musculoskeletal extremities using freehand scanning.
Description: DOI: 10.1016/j.ultrasmedbio.2005.01.007
Rights: Ultrasound in Medicine and Biology © 2005 World Federation for Ultrasound in Medicine & Biology. The journal web site is located at http://www.sciencedirect.com.
Type: Journal/Magazine Article
URI: http://hdl.handle.net/10397/2333
ISSN: 0301-5629
Appears in Collections:HTI Journal/Magazine Articles

Files in This Item:

File Description SizeFormat
Huang QH et al UMB 2005 3D Ultrasound using Water Bag.pdfPre-published version1.99 MBAdobe PDFView/Open
Locate publisher version via PolyU eLinks

Facebook Facebook del.icio.us del.icio.us LinkedIn LinkedIn

All items in the PolyU Institutional Repository are protected by copyright, with all rights reserved, unless otherwise indicated.
No item in the PolyU IR may be reproduced for commercial or resale purposes.


© Pao Yue-kong Library, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
Powered by DSpace (Version 1.5.2)  © MIT and HP
Feedback | Privacy Policy Statement | Copyright & Restrictions - Feedback