catheter sets; catheters; apparatus for self-catheterisation; catheter skin anchor apparatus; catheters for surgical use; catheter skin anchor instruments; medical apparatus for urethral catheterization; urethral catheterisation apparatus; catheters for medical use; suprapubic drain apparatus; catheters for use in urology; urine bags; urine drainage bags; urinary drainage bags; bags for medical use in collecting urine samples; bags for surgical use in collecting urine; female urinary incontinence devices; bags for medical use in storing urine samples; sterile devices for receiving urine from the body; medical appliances for use by persons suffering from urine diversion; appliances for use by the incontinent