TISSUE-REMOVING CATHETER

TISSUE-REMOVING CATHETER

A catheter (10) can restore the patency of a body lumen, for example by removing tissue from a body lumen (e.g., a blood vessel). The catheter can be a rotational catheter having a rotatable drive shaft and a tissue-removing element (12) secured to the drive shaft to be driven in rotation by the dri...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DEMARS LUCAS, GRATES ROBERT, VAN DER LUGT NICK, YOUNG KATHERINE, MILLER NOAM, FRULAND ALAN, VANPELT ROBERT WAYNE, STEELE BRIGHAM, TABESH BABAK, MONTAG BENJAMIN, SCHNEIDER MATTIAS, SIRIVONG SENGKHAM, GUGGENHEIMER ETHAN ANDREW, MCPEAK THOMAS JOHN
Format: Patent
Sprache:chi ; eng
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Beschreibung
Zusammenfassung:A catheter (10) can restore the patency of a body lumen, for example by removing tissue from a body lumen (e.g., a blood vessel). The catheter can be a rotational catheter having a rotatable drive shaft and a tissue-removing element (12) secured to the drive shaft to be driven in rotation by the drive shaft. The catheter can have an abrasive burr (12) configured to abrade tissue in a body lumen. The catheter can have an expandable tissue-removing element (12). The catheter can include a balloon and an inflation conduit. The catheter can also be configured to move over a guidewire (G) through a body lumen. In one embodiment, the catheter comprises an over-the-wire, balloon-expandable, rotational, and abrasive tissue-removing catheter. 一种导管(10)可以例如通过从身体管腔(例如，血管)中去除组织来恢复身体管腔的通畅性。所述导管可以是旋转导管，所述旋转导管具有可旋转驱动轴以及紧固到所述驱动轴以被所述驱动轴驱动旋转的组织去除元件(12)。所述导管可以具有被配置成磨蚀身体管腔中的组织的磨蚀性毛刺(12)。所述导管可以具有可扩展组织去除元件(12)。所述导管可以包含球囊和膨胀管道。所述导管还可以被配置成在导丝(G)之上移动穿过身体管腔。在一个实施例中，所述导管包括丝上、球囊可扩展、可旋转和磨蚀性组织去除导管。