| abstract |
The invention discloses a kind of ganglioside GM_3 microtubular, including catheter block, catheter body and double labelling ring, it is characterized in that the catheter body is by external coating, middle casing play and the PTFE inner liners of internal layer are formed by fixedly connecting, the superficies are attached with hydrophilic coating, the casing play is fixedly and coaxially connected and is formed by the titanium-nickel wire braiding rack of near-end and the stainless steel wire braiding rack of distal end, external coating outside the titanium-nickel wire braiding rack is PEBAX layers, external coating outside the stainless steel wire braiding rack is layer of polyurethane, with simple structure, it is easy to operate, conveying is quick, the advantages of shortening operating time. |