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Related Concept Videos

Hooke's Law01:26

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Hooke's law, a pivotal principle in material science, establishes that the strain a material undergoes is directly proportional to the applied stress, defined by a factor called the modulus of elasticity or Young's modulus.
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The generalized Hooke's Law is a broadened version of Hooke's Law, which extends to all types of stress and in every direction. Consider an isotropic material shaped into a cube subjected to multiaxial loading. In this scenario, normal stresses are exerted along the three coordinate axes. As a result of these stresses, the cubic shape deforms into a rectangular parallelepiped. Despite this deformation, the new shape maintains equal sides, and there is a normal strain in the direction of the...
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Consider two parallel straight wires carrying a current of 10 A and 20 A in the same direction and separated by a distance of 20 cm. Calculate the magnetic field at a point "P2", midway between the wires. Also, evaluate the magnetic field when the direction of the current is reversed in the second wire.
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Related Experiment Video

Updated: Feb 3, 2026

Author Spotlight: Advancing 3D Modeling for Enhanced Diagnosis and Treatment of Pulmonary Nodules in Early-Stage Lung Cancer
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Modified hook-wire placement technique for localizing multiple pulmonary nodules.

Xiermaimaiti Kadeer1,2, Long Wang2, Lei Zhang2

  • 1Department of Thoracic Surgery, The Sixth People's Hospital of Nantong, Shanghai Pulmonary Hospital Branch Affiliated to Tongji University, Jiangsu, China.

Journal of Surgical Oncology
|October 18, 2018
PubMed
Summary
This summary is machine-generated.

A modified Hookwire technique improves multiple pulmonary nodule localization. This method offers higher success rates and fewer complications like pneumothorax compared to conventional techniques.

Keywords:
hook wirelocalizationmultiple small pulmonary nodules

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Area of Science:

  • Pulmonary Medicine
  • Interventional Radiology
  • Medical Device Technology

Background:

  • Localizing multiple pulmonary nodules is challenging.
  • High incidence of pneumothorax occurs with conventional needle insertion techniques.
  • A modified Hookwire placement technique was developed to address these challenges.

Purpose of the Study:

  • To verify the safety and effectiveness of a modified Hookwire placement technique for localizing multiple pulmonary lesions.
  • To compare the modified technique with the conventional method in terms of success rates, procedural parameters, and complications.

Main Methods:

  • A modified technique involved a row of metal wires, perpendicular insertion, simultaneous Hookwire release, and a lateral position.
  • The study included 23 patients in the modified technique group (Group A) and 53 in the conventional group (Group B).
  • Success rates, procedural parameters, and complication incidence were recorded and analyzed.

Main Results:

  • The modified technique group (Group A) showed a higher success rate (96.7% vs 83.5%) and a lower incidence of pneumothorax (21.8% vs 54.7%).
  • Group A required fewer CT scans (2.91 vs 5.59) and had shorter procedure durations (13.83 minutes vs 22.68 minutes).
  • The distance between localizers and lesions was also shorter in Group A (4.88 vs 6.29).

Conclusions:

  • The modified Hookwire placement technique is feasible and effective for localizing multiple pulmonary nodules.
  • This technique is associated with improved outcomes, including fewer CT scans, shorter procedure times, and reduced pneumothorax incidence.
  • Lesion number and pneumothorax are identified as risk factors for failure in multiple localization procedures.