BALLOON CATHETER HAVING MICRO NEEDLES AND MANUFACTURING METHOD THEREOF

摘要

Disclosed are a balloon catheter (100) having a micro-needle formed therein and a method for producing the same. According to an embodiment of the present invention, the balloon catheter (100) having a micro-needle formed therein is inserted in a blood vessel (10), has an extending volume, and comprises: a balloon catheter body part (110) made of a polymer material of which a volume may extend when a fluid is fed; one or more micro-needles (120) made of the same material as that of the balloon catheter body part (110), and formed on the surface of the balloon catheter body part (110) through an isogonic transferring and molding scheme; and a fluid feeding unit (130) having a structure connected with the inside of the balloon catheter body part (110) so as to feed a fluid into the balloon catheter body part (110). According to a balloon catheter having an integrated micro-needle of the present invention, a drug delivery carrier is coated on the surface of the balloon catheter or the surface of the micro-needle and directly transfers a drug into biological tissue, so a drug delivering effect may be remarkably improved. Moreover, according to a method for producing a balloon catheter of the present invention, a micro-needle made of a polymer material which is the same as or different from a balloon material may be easily formed on the surface of a produced balloon catheter by using an isogonic transferring and molding scheme.