Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Shear waves induced by moving needle in MR elastography.

Q C C Chan1, G Li, R L Ehman

  • 1Dept. of Electr. & Electron. Eng., Hong Kong Univ., China.

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference
|February 3, 2007
PubMed
Summary

Researchers explored using moving acupuncture needles to create shear waves for magnetic resonance elastography (MRE). This study demonstrated that cyclic needle motion can induce observable shear waves in a gel phantom, paving the way for MRE-based acupuncture research.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

[Progress of artificial intelligence technology in pneumoconiosis imaging diagnosis and disease burden assessment].

Zhonghua lao dong wei sheng zhi ye bing za zhi = Zhonghua laodong weisheng zhiyebing zazhi = Chinese journal of industrial hygiene and occupational diseases·2026
Same author

Final overall survival analysis and exploratory biomarker study from JUPITER-06: a randomized phase III trial of toripalimab plus chemotherapy in advanced esophageal squamous-cell carcinoma.

Annals of oncology : official journal of the European Society for Medical Oncology·2026
Same author

Assessing morinidazole for surgical site infection in class III wounds prevention: a multi-centre, randomized, single-blind, parallel-controlled study.

The Journal of hospital infection·2024
Same author

[Investigation and analysis on the detection of IgG antibodies against the rubella virus among rural childbearing-age women in preconception period in Yunnan Province from 2013 to 2019].

Zhonghua yu fang yi xue za zhi [Chinese journal of preventive medicine]·2024
Same author

Neratinib + fulvestrant + trastuzumab for HR-positive, HER2-negative, HER2-mutant metastatic breast cancer: outcomes and biomarker analysis from the SUMMIT trial.

Annals of oncology : official journal of the European Society for Medical Oncology·2023
Same author

[Kounis syndrome complicated with Takotsubo cardiomyopathy: a case report].

Zhonghua nei ke za zhi·2023

Area of Science:

  • Biophysics
  • Medical Imaging
  • Acupuncture Research

Background:

  • Magnetic resonance elastography (MRE) measures material stiffness via shear wave propagation.
  • Understanding how to induce shear waves non-invasively is crucial for MRE applications.
  • Acupuncture's mechanical effects are not fully understood.

Purpose of the Study:

  • To investigate if a moving acupuncture needle can generate shear waves detectable by MRE.
  • To explore a novel method for studying acupuncture mechanisms.

Main Methods:

  • Used a tissue-simulating bovine gel phantom.
  • Employed a 0.4 mm diameter acupuncture needle with cyclic motion.
  • Observed shear wave generation and propagation using MRE principles.

Related Experiment Videos

Main Results:

  • Successfully induced observable shear waves in the gel phantom through cyclic needle motion.
  • Confirmed that the observed shear wavelength correlates with excitation frequency.
  • Demonstrated the feasibility of using needle-induced waves for MRE.

Conclusions:

  • Moving acupuncture needles can generate shear waves suitable for MRE.
  • This technique offers a potential tool for investigating the biomechanics of acupuncture.
  • Future research should explore inhomogeneous media and in-vivo studies.