ANDNINGSKATETER

摘要

1526286 Respiration catheters V N F LOMHOLT 26 Nov 1975 [2 Dec 1974] 48646/75 Heading A5R An endotracheal or tracheotomy tube 1 is flexible with external annular or helical reinforcing beads 2 which resist radial compression, at least the reinforced part of the tube being covered with a thinwalled sheath 6 forming a bladder inflatable through a tube 7 extending within the wall of the tube 1. The tube may be made of thermoplastic or elastomeric material e.g. polyethylene.