瘡膿已潰已破．因膿塞阻之不通．富貴驕奢及女體不便．皆不能擠其膿．故阻而腫 ．如此當(dāng)用竹筒吸法．自吸去其膿．乃泄其毒也．亦有用口吮其膿．令不痛而毒自安．此瘡醫(yī)之仁矣．古云．醫(yī)家有割股之心．罕矣哉．