Indwelling tube for in-tumor directional perfusion chemotherapy

Abstract

The invention discloses an in-tumor directional perfusion chemotherapy indwelling tube. The in-tumor directional perfusion chemotherapy indwelling tube is specifically used by the following steps: 1) firstly, performing large-range ablation on the interior of a tumor by using an ablation needle; and 2) sleeving the chemotherapy indwelling tube on the puncture needle, placing the tail end of the needle tip into a proper part in a tumor on imaging positioning, injecting normal saline into the balloon, and fixing the near-end tube in the tumor. And 2) pulling out the puncture needle, closing the one-way valve, fixing the far-end tube on the skin, filling chemotherapeutic drugs into the tumor body through the tail end of the far-end tube, and clamping and closing. And 3) the local drenching dosage and frequency can be adjusted according to the tolerance of a patient during chemotherapy, the medicine is regularly drenched into the tumor body through the tube, and after the period is reached, the liquid in the balloon is pumped out, and the tube is pulled out. The novel chemotherapy indwelling catheter has the advantages that the chemotherapy indwelling catheter is fixed in a tumor body through the balloon; the indwelling tube is divided into a near-end tube and a far-end tube, and a slide way is arranged at the joint of the two tubes, so that traction feeling is avoided when organs move; a one-way valve is arranged at the tail end of the near-end tube and can prevent the tube from being blocked.

Description

technical field [0001] The invention relates to a directional perfusion chemotherapy indwelling tube in a tumor. Background technique [0002] At present, with the development of interventional technology, many tumors can be treated by percutaneous interventional ablation, including liver cancer and lung cancer. For tumors that are huge in size and invade surrounding tissues, especially when there are important tissues and organs around the tumor, the tumor cannot be completely killed, and local normal tissues may be accidentally injured, resulting in dysfunction. Ablation is the indiscriminate killing of cells, while chemotherapy drugs have certain targeting properties. Between tumor cells and normal cells, the probability of killing tumor cells is relatively high, while systemic chemotherapy has large side effects, which can easily lead to bone marrow suppression, Neurogastrointestinal symptoms, etc. Local infusion chemotherapy mainly produces a higher concentration loca...

AI Technical Summary

Problems solved by technology

For a tumor that is huge and invades surrounding tissues, especially when there are important tissues and organs around the tumor, the tumor cannot be completely killed, and may accidentally injure local normal tissues, resulting in dysfunction

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