Related Experiment Videos
Modified Tru-Cut needle with exchangeable blunt stylet for safe puncture: technical note
1Department of Diagnostic Radiology, RWTH Aachen, Federal Republic of Germany.
Cardiovascular and Interventional Radiology
|July 1, 1992
Summary
A novel modified Tru-Cut needle enables safe biopsies of solid lesions by allowing blunt advancement near vital structures. This innovation facilitates precise tissue sampling in challenging anatomical locations during computed tomography-guided procedures.
Area of Science:
- Medical Devices
- Interventional Radiology
- Surgical Innovation
Background:
- Large-bore biopsies are crucial for diagnosing solid lesions.
- Interposing vital structures pose significant risks during biopsy procedures.
- Existing biopsy needles may lack the necessary safety features for critical locations.
Purpose of the Study:
- To introduce a modified Tru-Cut needle designed for safe biopsies.
- To enable blunt advancement and precise targeting during procedures.
- To overcome challenges posed by vital structures during tissue sampling.
Main Methods:
- Development of a modified Tru-Cut needle with enhanced safety features.
- Utilized computed tomography (CT)-guidance for needle deployment.
- Performed biopsies on 31 solid lesions in diverse body regions.
Main Results:
- The modified needle successfully facilitated safe biopsies.
- Blunt advancement was achieved in critical locations as intended.
- Accurate, pinpoint advancement was possible when required.
- The needle performed as designed in all 31 cases.
Conclusions:
- The modified Tru-Cut needle offers a safe and effective solution for large-bore biopsies.
- It allows for navigation around vital structures, reducing procedural risks.
- This device enhances precision and safety in CT-guided biopsies of solid lesions.