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Related Experiment Videos

Microrobots for in vitro fertilization applications.

M Boukallel1, M Gauthier, E Piat

  • 1Micromanipulation and Micro-actuation Research Group, Laboratoire d'Automatique de Besançon, LAB UMR CNRS 6596, ENSMM-UFC, 24, rue Alain Savary, 25000 Besançon, France.

Cellular and Molecular Biology (Noisy-Le-Grand, France)
|June 24, 2004
PubMed
Summary

Researchers developed a novel automated system for sperm injection, featuring a contactless cell transport system and a micro/nano-force sensor for oocyte characterization. This technology aims to enhance precision and efficiency in assisted reproductive procedures.

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Area of Science:

  • Biomedical Engineering
  • Micromanipulation and Micro-actuation
  • Assisted Reproductive Technology

Background:

  • Current assisted reproductive technologies, such as intracytoplasmic sperm injection (ICSI), face challenges in performance and ergonomics.
  • The Micromanipulation and Micro-actuation Research Group collaborates with Besançon's hospital to advance biological and surgical applications.

Purpose of the Study:

  • To develop an automated ICSI device to improve the performance and ergonomics of existing systems.
  • To create novel subsystems for cell manipulation and characterization in reproductive medicine.

Main Methods:

  • Development of a contactless single-cell transport system using a ferromagnetic micropusher guided by a permanent magnet.
  • Implementation of a micro/nano-force sensor based on diamagnetic levitation to measure oocyte mechanical stiffness with high resolution (10 nN).

Related Experiment Videos

  • Utilized a 2D micro-positioning table and optical microscopy with a CCD camera for precise control and measurement.

    • Main Results:

    • Successfully developed a micropusher system for contactless cell transport, enabling precise manipulation.
    • Created a highly sensitive micro/nano-force sensor capable of measuring minute forces for oocyte characterization.
    • Achieved a force resolution of 10 nN due to the non-contact and frictionless nature of the diamagnetic levitation sensor.

    Conclusions:

    • The developed subsystems represent significant advancements towards an automated ICSI device.
    • These innovations have the potential to enhance the efficiency, precision, and user-friendliness of assisted reproductive procedures.
    • The contactless cell transport and high-resolution force sensing offer new possibilities for cell manipulation and analysis in biological research and clinical applications.