Ablation method (device name) | Endometrial preparation | Device diameter (mm) | Treatment time (minutes) | Minimum sounded length | Maximum sounded length | Advantages |
Bipolar radiofrequency (Novasure) | None | 7.5 | 1 to 2 | 6* | 10 |
|
Cryoablation (Cerene) | Hormonal suppression or proliferative phase use¶ | 6 | 2.5 | N/A | 10 |
|
Circulating hot water (Hydrothermablator) | Hormonal suppression | 7.8 | 11 | 6 | 10.5 |
|
Combined thermal and radiofrequency (Minerva) | None | 7.0 | 3 to 4 | 4 | 10 |
|
Vapor system (Mara) | None | 5.8Δ | 2 | 6 | 12 |
|
* For bipolar radiofrequency ablation, the cornu to cornu distance must be 2.5 cm.
¶ While endometrial preparation may be used, the procedure also can be performed in the early proliferative phase of the menstrual cycle without endometrial preparation.
Δ The Mara device often does not require any dilation of the cervix.Do you want to add Medilib to your home screen?