TRACHEOSTOMY TUBES AND THEIR MANUFACTURE

A tracheostomy tube has a machine end coupling (2) of a relatively hard plastics and formed with a retaining ring structure formation (23) at its patient end. This is joined with a tubular shaft (1) of a softer plastics, such as silicone, to form a subassembly (7) y a moulded interconnection of the...

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Bibliographische Detailangaben
Hauptverfasser:	WOOSNAM, Christopher John, JEFFREY, Andrew Thomas, VEASEY, Neil Steven
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE
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Beschreibung
Zusammenfassung:	A tracheostomy tube has a machine end coupling (2) of a relatively hard plastics and formed with a retaining ring structure formation (23) at its patient end. This is joined with a tubular shaft (1) of a softer plastics, such as silicone, to form a subassembly (7) y a moulded interconnection of the machine end of the shaft about the retaining formation (23). An enlarged boss (12) at the rear end of the shaft (1) forms a forwardly facing wall (15). The tube also includes a moulded neck flange (5) of a relatively soft plastics with a central collar (50) having an internal, rearwardly facing wall (59). The boss (12) on the subassembly (7) is bonded into the collar (5) with the wall (15) on the boss abutting the wall (59) on the flange (5).