An improved endotracheal tube

Abstract

Abstract 693,510. Endotracheal tubes. BLEASE, J. H. Dec. 6, 1951 [Dec. 6, 1950], No. 29926/50. Class 81 (ii). An endotracheal tube of the kind having around its exterior a bulb which on inflation seals the trachea of the patient is provided with an alternative inflatable bulb suitably positioned on the exterior of the tube with respect to the first-mentioned 'bulb. The alternative bulb 2 may be positioned within the first bulb 1 both bulbs being vulcanised or hermetically sealed to the tube 10 at their end portions 8, 9. Flexible air supply tubes 3, 4 fitted with " tell-tale " bulbs 5, 6 are connected with the interiors of the inflatable bulbs 1, 2 respectively. The alternative bulb 2 is inflated only in the event of the collapsing of the first bulb 1. In a modification (not shown), the alternative bulb is arranged on the endotracheal tube in adjacent contiguous relationship with the first bulb.

Inventors

No inventors recorded.

Bibliographic Details