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Development and evaluation of a needle for percutaneous ethanol injection therapy
K Akamatsu1, S Miyauchi, Y Ito
1Third Department of Internal Medicine, Ehime University Medical School, Japan.
Radiology
|January 1, 1993
Summary
A new needle design for percutaneous ethanol injection therapy (PEIT) offers advantages over traditional needles for treating liver cancer. This improved needle allows for straighter insertion with less resistance and better ultrasound visibility.
Area of Science:
- Hepatobiliary Surgery
- Interventional Radiology
- Oncology
Background:
- Percutaneous ethanol injection therapy (PEIT) is a common treatment for hepatocellular carcinoma.
- Traditional needles used in PEIT can present challenges during ultrasonically guided procedures.
- These challenges include difficulties with insertion and visualization.
Purpose of the Study:
- To develop and evaluate a novel needle designed to overcome the limitations of traditional needles in PEIT.
- To improve the safety and efficacy of ultrasonically guided PEIT for hepatocellular carcinoma.
Main Methods:
- Development of a new needle featuring a three-sided tip and three holes near the tip.
- Comparison of the new needle with a traditional percutaneous transhepatic cholangiography (PTC) needle.
- Evaluation of needle performance in terms of insertion trajectory, resistance, and ultrasound echo reflection.
Main Results:
- The novel PEIT needle facilitated a straighter path during liver insertion compared to the PTC needle.
- The new needle experienced less resistance upon entering the liver tissue.
- The tip of the PEIT needle produced a higher echo on ultrasound imaging, enhancing visualization.
Conclusions:
- The developed PEIT needle offers significant improvements over traditional PTC needles for ultrasonically guided procedures.
- This innovation has the potential to enhance the precision and effectiveness of PEIT for hepatocellular carcinoma treatment.