1.What is an implantable analgesic pump? Implantable analgesic therapy is a new and revolutionary way of drug delivery. Through minimally invasive surgery, doctors implant an intelligent metal analgesic pump that can store drugs and adjust the flow rate outside the body, and deliver analgesic drugs into the sheath through a flexible catheter for the purpose of pain relief. This treatment has superior analgesic effect for pain that cannot be solved by other methods. Especially for patients with cancer pain, it has enabled cancer pain patients to get rid of their pain and raise the sail of life again. Since the first clinical implantable analgesic pump was introduced in 1982, more than 200,000 pain patients worldwide have benefited from the implantable analgesic pump. In Europe and the United States with the method has been widely carried out, our department has introduced this advanced technology. 2.The advantages of implantable analgesic pump for cancer pain treatment: ①Quick-acting pain relief, smaller dose of analgesic drugs and less side effects of drugs. ②Help restore body function and assist in anti-cancer treatment. ③The pump is implanted in the body and can add drugs outside the body, which is convenient for long-term pain control. ④The dosage can be flexibly adjusted by doctors according to the change of pain level to obtain the best pain control effect. 3.The implantable analgesic pump is suitable for those people who: ① Have diffuse and intense pain caused by cancer itself or treatment during active anti-cancer treatment. ②The dose of analgesic drugs is too large to be tolerated or serious side effects of drugs have occurred. ③Effective for methods such as extracorporeal analgesia or nerve block, but need long-term analgesia. ④The pain has seriously affected the quality of life, such as sleeping and eating. ⑤ Interrupt or give up anti-cancer treatment due to pain.