The present invention relates to a kind of surgical instruments. A kind of surgery device can include: needle set Suction unit, attachment or disengaging needle assemblies, tissue samples Injection device, attachment or disengaging needle assemblies, Drug injection and electrode assembly, attachment or disengaging needle assemblies, for being heat-treated. Therefore, any one suction device, the injection device and electrode assembly attachment are detached from needle assemblies, so as to execute tissue samples, drug injection, and heat treatment. Therefore, required time and cost, tissue samples, drug injection and heat treatment, which reduce, can prevent from foreign matter to be flowed into operative site shifting to an earlier date.
