Related Experiment Video
Updated: Jul 26, 2026

06:28
Vessel-Sparing Microsurgical Longitudinal Intussusception Vasoepididymostomy to Treat Epididymal Obstructive Azoospermia
Published on: May 27, 2022
A minimally invasive vasectomy with the no suture, inline method for vas occlusion
J L Marmar1, S Kessler, V H Hartanto
1Division of Urology, Robert Wood Johnson Medical School at Camden, New Jersey 08103, USA. marmar-joel@cooperhealth.edu
Summary
A new no-suture vas occlusion technique, compatible with no-scalpel vasectomy (NSV) instruments, achieves rapid azoospermia in 158 cases. This method offers a promising alternative for vasectomy procedures.
Area of Science:
- Urology
- Reproductive Medicine
- Surgical Innovation
Background:
- No-scalpel vasectomy (NSV) is a minimally invasive procedure.
- Existing vas occlusion methods have varied success and potential complications.
- At least 28 methods for vas occlusion have been documented.
Purpose of the Study:
- To critique current vas occlusion methods.
- To introduce a novel, rapid vas occlusion technique.
- To evaluate the efficacy and compatibility of the new method with NSV.
Main Methods:
- Utilized NSV instruments for vas exposure.
- Employed a new no-suture, inline vas occlusion technique.
- Involved luminal cautery, detubularization, and epithelial destruction; performed in 158 cases.
Main Results:
- Achieved complete azoospermia in all 158 patients.
- Confirmed azoospermia via two follow-up semen analyses.
- Reported zero pregnancies in the study cohort.
Conclusions:
- The new no-suture vas occlusion method is rapid.
- The technique is compatible with NSV instruments.
- This method demonstrates high efficacy in achieving azoospermia.

