Related Experiment Video
Updated: Jul 7, 2026

Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment
Published on: September 25, 2009
Failure of sterilization after clip placement
F Belot1, A Louboutin, A Fauconnier
1Service de Gynécologie-Obstétrique et Médecine de la Reproduction and Service de Anotomo-Pathologie du Centre Hospitalier inter-communal de Poissy-Saint-Germain, Poissy, France. f.belot@gmail.com
Contraceptive failure can occur even when Filshie clips are correctly applied during tubal sterilization. Understanding these failures is crucial for patient counseling and improving sterilization effectiveness.
Area of Science:
- Reproductive Medicine
- Surgical Sterilization Techniques
Background:
- Tubal sterilization is a widely used global contraception method.
- The Filshie clip is a common device for occluding fallopian tubes during laparoscopic sterilization.
- Technique-related issues are often cited as causes of sterilization failure.
Observation:
- A patient experienced two consecutive unplanned pregnancies after bilateral Filshie clips were applied by an experienced surgeon.
- The intrauterine device was removed before clip application.
- Following the second pregnancy, a partial salpingectomy confirmed appropriate Filshie clip placement.
Findings:
- Contraceptive failure can occur despite appropriate application of Filshie clips.
- Sterilization failures may not always be attributable to surgical technique errors.
- The study highlights a case of persistent failure despite correct procedure.
Implications:
- Further research is needed to elucidate mechanisms of Filshie clip failure.
- Informing patients about the risk of contraceptive failure after sterilization is essential.
- Female sterilization failure remains a significant medical concern requiring ongoing attention.
Related Concept Videos
Methods of Sterilization I: Physical Methods
Steam sterilization uses non-toxic, low-cost moist heat in the form of saturated steam under pressure, which is fast, microbicidal, and sporicidal, and quickly warms and penetrates fabrics. Autoclaves, or steam sterilizers, expose each item to direct steam contact for a predetermined time at the necessary...
Methods of Sterilization II: Chemical Methods
Using chemical sterilization rather than heat to clean out equipment is recommended. It eradicates and removes all bacteria,...
Cleaning, Sterilization, and Disinfection
Cleaning
The cleaning process usually involves using water with detergents or enzymatic cleaner and removing foreign material from objects and surfaces, including organic material such as body fluids or inorganic material like soil. Cleaning is performed before high-level disinfection and sterilization because foreign materials on the cover of the devices interfere with process...