Attachments for medical injection devices to aid in controlling the depth of the injections; Attachments for medical injection devices to aid in stabilizing flow during injection of pharmaceuticals; Condoms; Contraceptive apparatus; Contraceptive implants; Medical and surgical apparatus and instruments for use in contraceptive procedures; Medical and surgical laparoscopes and catheters; Medical apparatus and instruments for use in surgery; Medical apparatus for introducing pharmaceutical preparations into the human body; Medical apparatus, namely, infusion and injection devices for administering drugs; Medical device for accessing subcutaneous structures of the human body for the purpose of administering medical treatment; Medical devices and apparatus, namely, medical guidewires and parts and fittings therefor; Medical devices for use in treating or diagnosing fertility in men; Medical devices, namely, surgical devices that facilitate the identification, separation or ablation of biologic tissues; Medical diagnostic apparatus for testing for the presence of sexually-transmitted diseases; Medical implants, namely, a polymer gel that is injected into the vas deferens tube for contraceptive purposes; Medical instruments for use in contraceptive surgery in men; Surgical and medical apparatus and instruments for use in men's contraceptive surgery; Surgical apparatus and instruments; Surgical devices and instruments; Vascular occluders