Methods Review and retrospectively analyze the clinical outcomes of 586 patients after super lubricious balloon lactoprene urethral catheter engagement.
According to the causes,the surface defects can be divided into blister containing non-metallic inclusion,blister without non-metallic inclusion and “raindrop”,“gills”,“mountained”.
Methods Occlusion of the openings of main artery and side artery was performed through double-channeled air pocket tube,with normothermia,normal flowing rate and heart beating.
The use of extra-amniotic saline infusion with a balloon catheter or a double balloon catheter (Atad ripener) also appears to be effective for cervical ripening.