In-ear monitors for medical purposes; Ear trumpet; In-ear medicine delivery devices, namely, syringes and needles; Medical apparatus and instruments for use in surgery; Medical apparatus and instruments for surgery of the nerve associated with the auditory pathway; Surgical and medical apparatus and instruments for use in otologic microsurgery; Surgical and medical apparatus and instruments for use in general surgery; Injection syringes (syringe barrels); Injection needles; Attachments for me...