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Basic Study for Ultrasound-Based Navigation for Pedicle Screw Insertion Using Transmission and Backscattered Methods
- Source :
- PLoS ONE, PLoS ONE, Vol 10, Iss 4, p e0122392 (2015)
- Publication Year :
- 2015
- Publisher :
- Public Library of Science, 2015.
-
Abstract
- The purpose of this study was to understand the acoustic properties of human vertebral cancellous bone and to study the feasibility of ultrasound-based navigation for posterior pedicle screw fixation in spinal fusion surgery. Fourteen human vertebral specimens were disarticulated from seven un-embalmed cadavers (four males, three females, 73.14 ± 9.87 years, two specimens from each cadaver). Seven specimens were used to measure the transmission, including tests of attenuation and phase velocity, while the other seven specimens were used for backscattered measurements to inspect the depth of penetration and A-Mode signals. Five pairs of unfocused broadband ultrasonic transducers were used for the detection, with center frequencies of 0.5 MHz, 1 MHz, 1.5 MHz, 2.25 MHz, and 3.5 MHz. As a result, good and stable results were documented. With increased frequency, the attenuation increased (P0.05). At about 0.6 cm away from the cortical bone, warning signals were easily observed from the backscattered measurements. In conclusion, the ultrasonic system proved to be an effective, moveable, and real-time imaging navigation system. However, how ultrasonic navigation will benefit pedicle screw insertion in spinal surgery needs to be determined. Therefore, ultrasound-guided pedicle screw implantation is theoretically effective and promising.
- Subjects :
- Materials science
medicine.medical_treatment
lcsh:Medicine
Cadaver
Pedicle Screws
medicine
Humans
lcsh:Science
Multidisciplinary
business.industry
Attenuation
lcsh:R
Ultrasound
Navigation system
Anatomy
Acoustics
medicine.anatomical_structure
Spinal Fusion
Ultrasonic Waves
Spinal fusion
lcsh:Q
Ultrasonic sensor
Cortical bone
business
Cancellous bone
Biomedical engineering
Research Article
Subjects
Details
- Language :
- English
- ISSN :
- 19326203
- Volume :
- 10
- Issue :
- 4
- Database :
- OpenAIRE
- Journal :
- PLoS ONE
- Accession number :
- edsair.doi.dedup.....60453e63929d8bb3b7cdeb145e51383b