Liquid light conduction device for intervention

Abstract

The present invention relates to a liquid light conduction device for intervention. The device comprises a conduit with an internal portion which is a cavity, one end of the conduit is provided with a tail sheath, and the other end of the conduit is provided with a liquid-laser coupler capable of injection of liquid medium and conduction of laser; the tail sheath is provided with an outlet; a metal reflection layer is arranged at the inner wall of the conduit, the liquid medium can be transmitted in the conduit, and the laser can be transmitted in the liquid coated with the metal reflection layer and can be transmitted out through the tail sheath. The liquid light conduction device for intervention can introduce laser and liquid medicine into the artery to directly reach diseased regions through adoption of the Seldinger arterial cannula technology, the laser is conducted through the liquid medicine conduit coated with the metal reflection layer, and the medicine and the laser can reach the diseased regions through blood vessels in a tumour for treatment to allow a photosensitizer and the laser to be directly effected on deep tumors so as to enhance the treatment effect and relieve toxic and side effects.

Description

technical field [0001] The invention relates to the technical field of interventional radiology in the medical field, in particular to a liquid light conduction device for intervention. Background technique [0002] In 1953, Seldinger first reported the method of percutaneous femoral artery puncture with a puncture needle. This closed catheterization technology does not block the blood flow of the inserted blood vessel (artery or vein), has less bleeding, and reduces local complications from 8% to 1.3%, so that catheter technology is widely used in diagnostic radiology and interventional radiology, that is, Surgical radiology plays a wide-ranging role in different fields. For example, external carotid artery cannulation, which is widely used at present, can be treated with chemical drugs before head and neck malignant tumors. , Pushed to the tumor site from the artery, and then release the drug slowly, the curative effect is better. After the tumor is confined or shrunk, ...

AI Technical Summary

Problems solved by technology

[0005] In view of this, the catheter of the Seldinger arterial cannulation technology cannot transmit light energy, and the photodynamic therapy cannot reach the lesion in the body. The present invention proposes a liquid light conduction device for intervention, which constitutes the simultaneous delivery of light energy and drugs. The pipeline, drugs and laser approach the treatment from the vascular channel inside the tumor, which can make the photosensitizer and laser directly act on the deep tumor, enhance the therapeutic effect and reduce the side effects

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