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 Video

Updated: Jun 18, 2026

Fabrication of Fine Electrodes on the Tip of Hypodermic Needle Using Photoresist Spray Coating and Flexible Photomask for Biomedical Applications
08:15

Fabrication of Fine Electrodes on the Tip of Hypodermic Needle Using Photoresist Spray Coating and Flexible Photomask for Biomedical Applications

Published on: November 28, 2017

Observations of needle-tissue interactions.

Sarthak Misra1, Kyle B Reed, K T Ramesh

  • 1Department of Mechanical Engineering, The Johns Hopkins University, Baltimore, MD 21218, USA. sarthak@jhu.edu

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
|December 8, 2009
PubMed
Summary

Needles with asymmetric bevels bend in tissue. An analytical model predicts these bending loads, validated by experiments, advancing robotic needle steering mechanics.

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

Soft, Degradable, and Magnetic Microcarriers for Encapsulation and Guided Transport of Drugs and 3D Spheroids.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Correction: Sequential gait interventions reveal non-reciprocal transfer between instructional and sensorimotor adaptation mechanisms.

Scientific reports·2026
Same author

Electronics-free soft robotic minitablet for on-demand gastric molecular sensing and diagnostics in vivo.

Science advances·2026
Same author

Smartphone-based App to Assess Diabetic Peripheral Neuropathy.

Journal of diabetes science and technology·2026
Same author

Physics-informed data-driven discovery of constitutive models with application to strain-rate-sensitive soft materials.

Computational mechanics·2026
Same author

Extremophile survives the transient pressures associated with impact-induced ejection from Mars.

PNAS nexus·2026

Area of Science:

  • Biomedical Engineering
  • Mechanical Engineering
  • Robotics

Background:

  • Needle insertion into soft tissue causes bending due to asymmetric bevel tips.
  • Existing models for needle-tissue interaction are often kinematic.
  • Understanding the mechanics of needle bending is crucial for precise medical procedures.

Purpose of the Study:

  • To develop an analytical model for loads at the needle bevel tip during tissue insertion.
  • To compare model predictions with experimental measurements.
  • To contribute to a mechanics-based model for robotic needle steering.

Main Methods:

  • Developing an analytical model based on bevel geometry and gel material properties.
  • Conducting experimental measurements of forces during needle insertion.

More Related Videos

Apparatus for Harvesting Tissue Microcolumns
06:06

Apparatus for Harvesting Tissue Microcolumns

Published on: October 25, 2018

Dissolving Microneedle Array Patches Manufactured By Solvent Casting Technique and Essential Characterization of Microneedle-Based Biomedical Devices
08:26

Dissolving Microneedle Array Patches Manufactured By Solvent Casting Technique and Essential Characterization of Microneedle-Based Biomedical Devices

Published on: January 30, 2026

Related Experiment Videos

Last Updated: Jun 18, 2026

Fabrication of Fine Electrodes on the Tip of Hypodermic Needle Using Photoresist Spray Coating and Flexible Photomask for Biomedical Applications
08:15

Fabrication of Fine Electrodes on the Tip of Hypodermic Needle Using Photoresist Spray Coating and Flexible Photomask for Biomedical Applications

Published on: November 28, 2017

Apparatus for Harvesting Tissue Microcolumns
06:06

Apparatus for Harvesting Tissue Microcolumns

Published on: October 25, 2018

Dissolving Microneedle Array Patches Manufactured By Solvent Casting Technique and Essential Characterization of Microneedle-Based Biomedical Devices
08:26

Dissolving Microneedle Array Patches Manufactured By Solvent Casting Technique and Essential Characterization of Microneedle-Based Biomedical Devices

Published on: January 30, 2026

  • Performing microscopic observations of needle-tissue interactions.

    • Main Results:

    • The analytical model accurately predicts the transverse force at the needle tip.
    • Model predictions align with experimental observations, explaining observed trends.
    • Microscopic analysis provides insights into needle-tissue mechanics.

    Conclusions:

    • The developed analytical model effectively captures the loads during needle-tissue interaction.
    • This work provides a foundation for mechanics-based robotic needle steering.
    • The study bridges macroscopic and microscopic perspectives on needle insertion mechanics.