Surgical and medical apparatus and instruments for positioning and securing implants or prostheses, namely, deployable reinforcements for positioning and securing prosthetic valves in a body conduit; surgical and medical instruments, namely, catheter handles; surgical implants made of artificial materials; catheters; deployable reinforcements for body conduits in the nature of stents

deployable reinforcements for body conduits in the nature of stents; medical and surgical appliances and instruments for positioning and securing implants or prostheses, namely, deployable reinforcements for positioning and securing prosthetic valves in a body conduit; catheters; medical and surgical instruments, namely, catheter handles