[Knee puncture via a closed system]

Punctures of the joints, particularly the knee joint are performed quite often in every day practice. There are relatively simple procedures and carry a very low rate of infection. Infections of the joint space secondary to joint punctures are rare but catastrophic when they do occur. This new method of joint puncture operates in a closed system and provides the possibility of intraarticular administration of drugs, an act which will help to reduce the chances of infection after joint punctures or operations.