Surgical and medical apparatus and instruments, namely stents, catheters, balloon-catheters; diagnostic catheters; heart support systems; medical implants; suture materials; connectors for cononary bypasses; guidewires for catheters.; Surgical and medical apparatus and instruments, namely stents, catheters, balloon-catheters; diagnostic catheters; heart support systems; medical implants; suture materials; connectors for cononary bypasses; guidewires for catheters.