A catheter was injected with a patent to inject drugs through the Astakius channel in the name of Dr. Saleh Saqr Al-Omari, an ear, nose and throat consultant from the Air Force of King Saud University to obtain a precise Fellowship in the Ear and Nerves at the King Abdullah Specialist Center for Ear of King Abdulaziz University Hospital in Riyadh. This invention is the first invention issued by the doctors of the King Abdullah Center for the ear, as there are many inventions registered in the name of the doctors of the center in the process of issuing final patent certificates The importance of this invention lies in providing a safer and more accurate alternative for the treatment of some incurable ear diseases where previously used to treat Patients through a needle that penetrates the eardrum into the middle ear to inject the medicine and then it is absorbed through the inner ear. One of the disadvantages of this method is sometimes causing it in a permanent perforation of the eardrum in addition to that the given dose may leak through the Eustachian tube or through the updated hole b The needle, and therefore the accuracy in the amount of dose and the duration of its stay in the ear are not fixed and the invention relies on the delivery of the drug to the middle ear through the Eustachian canal, after the air is sucked from the middle ear to give space for the injected drug and upon completion of the injection process, the Eustachian tube is closed temporarily by a balloon that is removed after a while.