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Related Experiment Videos

Automated, percutaneous biopsy device.

M H Wholey1, J S Machek, E R Rhinehart

  • 1Vanderbilt University School of Medicine, Nashville, Tenn.

Radiology
|February 1, 1990
PubMed
Summary
This summary is machine-generated.

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A novel automated biopsy device uses a rotating helical stylet for tissue acquisition. This percutaneous device showed superior performance in challenging lesions and preserved cell structure in vitro and in patients.

Area of Science:

  • Medical Devices
  • Biopsy Technology
  • Histopathology

Background:

  • Percutaneous biopsy is crucial for diagnosing various medical conditions.
  • Conventional needles can face challenges with fibrous, calcified, or osseous tissue.
  • Improved tissue acquisition methods are needed for better diagnostic accuracy.

Purpose of the Study:

  • To develop and evaluate an automated, percutaneous biopsy device.
  • To assess the device's efficacy in tissue acquisition and sample preservation.
  • To compare the device's performance against conventional needles in challenging lesions.

Main Methods:

  • Development of an automated biopsy device incorporating a miniaturized motor within a 20-mL syringe.
  • Low-speed rotation of a distal helical stylet for tissue sampling.

Related Experiment Videos

  • In vitro testing on 30 lesions and subsequent clinical use in 10 patients.

    • Main Results:

    • The automated device successfully acquired tissue samples with adequate preservation of cell structure in vitro.
    • The device demonstrated superiority over conventional needles in lesions containing fibrous, calcified, or osseous components.
    • Successful clinical application in 10 patients, indicating feasibility and effectiveness.

    Conclusions:

    • The developed automated percutaneous biopsy device is effective for tissue acquisition.
    • The device offers improved performance in challenging tissue types.
    • This technology holds promise for enhancing diagnostic biopsy procedures.