CooperSurgical SM507 Select Curve 19.9cm x1.6mm, Single Opening. Box of 25 Slight Curve Aids Insertion. TheCurve Intrauterine Insemination Catheter with Luer Lock hub has a rounded, beveled tip which helps to ensure smooth insertion, while the slight curve is designed to facilitate entry. For atraumatic sample delivery. For Customers Outside Puerto Rico & the Caribbean: We are only allowed to sell CooperSurgical products to end users in Puerto Rico & the Caribbean. This product is Non Stock. ...