Related Experiment Video
Updated: Jun 21, 2026

Robotic-assisted Bronchoscopy Combined with Multimodal Imaging for Targeted Lung Cryobiopsies
Published on: July 19, 2024
Blunt-tip coaxial introducer: a revisited tool for difficult CT-guided biopsy in the chest and abdomen
Cedric de Bazelaire1, Cecile Farges, Olivier Mathieu
1Department of Radiology, Saint Louis Hospital, Paris VII University, 1 Ave. Claude Vellefaux, Paris, 75475 Cedex 10, France. cedric.de-bazelaire@sls.aphp.fr
Objective:
We describe a coaxial introducer provided with an additional blunt-tip stylet that allows safe access to difficult-to-reach lymph nodes in the chest, abdomen, and pelvis under CT control.
Conclusion:
Once the thoracic, abdominal, or pelvic wall is crossed by the introducer fitted with the sharp-tip stylet, the blunt-tip stylet replaces the sharp stylet for further progression in the fat toward the target. The soft-tip stylet carries a smaller risk of inadvertent perforation displacing vital structures.
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