Balloon catheter and method for manufacturing balloon

A balloon catheter includes a flexible elongated shaft and a balloon fixed to the distal portion of the shaft. The balloon expands and contracts. The balloon includes an effective expansion portion and at least one projection portion on the effective expansion portion. The effective expansion portio...

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Bibliographische Detailangaben
1. Verfasser:	Tsubooka, Michiyo
Format:	Patent
Sprache:	eng
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 DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE SURGERY
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Beschreibung
Zusammenfassung:	A balloon catheter includes a flexible elongated shaft and a balloon fixed to the distal portion of the shaft. The balloon expands and contracts. The balloon includes an effective expansion portion and at least one projection portion on the effective expansion portion. The effective expansion portion possesses a cylindrical shape when the balloon is expanded, and the projection portion extends for a predetermined length along the axial direction of the balloon. The projection portion has first and second parts so that the inner surface of the first part of the balloon faces the inner surface of the second part of the balloon. The first and second parts project radially outwardly away from immediately adjacent parts of the balloon. The inner surface of the first part of the balloon is at least partially welded to the inner surface of the second part of the balloon.