Surgical apparatus and instruments, medical, dental and veterinary apparatus and instruments for use in endovascular, cardiovascular, endoscopy and dialysis procedures; artificial limbs, eyes and teeth; orthopedic articles, namely, orthopedic belts, orthopedic braces, orthopedic footwear; suture materials; Medical auxiliary apparatus for patients for connecting tubes and pipes in the nature of buccal tubes, capillary drainage tubes, endobrachial tubes and dialysis tubes; dialyzers; parts and fittings for dialyzers; connectors and connecting systems comprised of tubing connectors for medical apparatus and instruments for use in endovascular, cardiovascular, endoscopy and dialysis procedures and for medical purposes, in particular for catheter caps; connectors and connecting systems for comprised of tubular and pipe-shaped connectors in the nature of cannulae and catheters for medical purposes; connectors and connecting systems for luer systems comprised of tubing connectors for Luer tapers, for medical purposes; medical equipment and apparatus for replacing catheter caps, namely, patient assistance devices comprising catheters, catheter caps, frangible pins, transfer sets, and protective caps, in which a push-button automated function removes a catheter cap within an enclosed housing to prevent infection during dialysis procedures; adapters for closure systems for medical purposes, in particular for luer tapers for medical purposes; and accessories fittings and spare parts for the aforesaid goods, all the aforesaid goods exclusively relating to dialysis equipment, namely, dialysis pumps and dialysis bags