Medical device and surgical instrument for use in diagnosis and surgery of the gastro-intestinal tract; Medical device for accessing subcutaneous structures of the human body for the purpose of administering medical treatment; Medical device for detecting cancer; Medical devices and apparatus, namely, ultrasound imaging apparatus, scanners and needle guides, and parts and fittings therefor; Medical devices, namely, surgical devices that facilitate the identification, separation or ablation of biologic tissues; Surgical and medical apparatus and instruments for use in general surgery; Surgical and medical apparatus and instruments for use in oncology surgery; Surgical apparatus and instruments for medical, dental or veterinary use; Surgical devices and instruments; Surgical instruments for use in oncology