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Updated: Jun 14, 2026
04:47
Optimizing the Modified No-Scalpel Vasectomy Technique
Published on: October 18, 2024
Minimizing pain during vasectomy: the mini-needle anesthetic technique
Grace Shih1, Merlin Njoya, Marylène Lessard
1Department of Family and Community Medicine, University of California-San Francisco, San Francisco, California, USA.
The Journal of Urology
|March 23, 2010
Summary
A new mini-needle anesthesia technique for no-scalpel vasectomy significantly reduces pain during the procedure. This method offers effective pain management with minimal equipment, improving patient comfort during vasectomy.
Area of Science:
- Urology
- Anesthesiology
Background:
- No-scalpel vasectomy is a common procedure for male sterilization.
- Effective anesthesia is crucial for patient comfort during vasectomy.
Purpose of the Study:
- To evaluate pain scores associated with a modified anesthesia technique for no-scalpel vasectomy.
- To assess the efficacy of a mini-needle anesthesia approach.
Main Methods:
- A prospective study involving 277 patients undergoing no-scalpel vasectomy.
- Anesthesia administered using a 1-inch, 30-gauge mini-needle with 2% lidocaine.
- Local anesthesia targeted directly to the vas at the surgical site.
Main Results:
- Mean pain intensity during anesthesia was 1.5 ± 1.6 on a 10 cm visual analog scale.
- Mean pain intensity during the procedure was 0.6 ± 1.0.
- Patients reported lower-than-expected pain levels during both anesthesia and the procedure.
Conclusions:
- The mini-needle technique provides excellent anesthesia for no-scalpel vasectomy.
- This method offers a favorable alternative to standard vasal blocks and other anesthetic options.
- Benefits include minimal equipment requirements and reduced anesthesia volume.
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