Robuta

https://medlineplus.gov/ency/imagepages/19861.htm
A central venous catheter is a long, soft plastic tube (usually made of silicone) that is placed via a small cut in the neck, chest, or groin into a large vein...
central venous cathetermedical encyclopediamedlineplusimage
https://www.cochrane.org/zh-hant/evidence/CD009631_anticoagulants-and-antiplatelet-agents-preventing-central-venous-haemodialysis-catheter-malfunction
anticoagulantsantiplateletagentspreventingcentral
https://www.cochrane.org/de/evidence/CD009631_anticoagulants-and-antiplatelet-agents-preventing-central-venous-haemodialysis-catheter-malfunction
anticoagulantsantiplateletagentspreventingcentral