Wallace Sure-Pro/ Sure-Pro Ultra Embryo Replacement Catheters (with ultrasound) Product Code: PE623 Sure-Pro¿ Embryo Replacement Catheters are used for the introduction of embryos into the uterine cavity following in vitro fertilization. Sure-Pro Ultra¿ Embryo Replacement Catheters have the added benefit of being visible under ultrasound. These products can be used in either a one- stage or two-stage procedure. In the one-stage procedure, the clinician pushes the inner catheter through the outer sheath and loads the embryo prior to performing the embryo transfer into the uterus. In the two-stage procedure, the clinician places the outer sheath through the cervical canal into the uterus, then loads the embryo in the inner catheter, and advances the inner catheter through the outer sheath to perform the embryo transfer into the uterus.
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