Microwave ablation needle with breathing and fixing device

• Main Authors: LI LINJIN, CHEN HAO, HU YIREN, CHEN ENDE, CHEN SENRUI, XU ZHIFENG, LI YOULIN, TONG XIAOCHUN, YOU SUNWU, PAN JIANGHUA, DOU GONGHAO
• Format: Patent
• Language: Chinese; English
• Published: 17.05.2017
• Subjects: DIAGNOSIS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; SURGERY

The invention discloses a microwave ablation needle with a breathing and fixing device. The microwave ablation needle comprises a syringe needle, a needle tube and a fixing device, wherein the fixing device comprises a support, a positioning disc and a base, the positioning disc and the base are in shapes of concentrically arranged rings, the base is of a hollow structure, the cross section area of the base is gradually increased from top to bottom, the bottom surface of the base is made from an elastic water-permeable material, the base contains a thixotropy colloid solution, the positioning disc is connected to the upper portion of the base, an annular sliding groove is downwards and concentrically formed in the top face of the upper edge of the positioning disc, the bottom end of the support is located in the sliding groove and can rotate in the sliding groove, the syringe needle penetrates through the positioning disc and a through hole formed in the middle of the base to be inserted into the focus, the n