Catheter for balloon angioplasty

Details Catheter for balloon angioplasty Catheter for balloon angioplasty

1987-08-24

1989-02-28

Truluck, Dalton L.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

1283031, 128344, 128657, 604 96, 604170, A61M 2500, A61B 1736

Patent

active

048081647

ABSTRACT:
A catheter for balloon angioplasty includes a flexible shaft defining a hollow passage. The shaft has first and second ends. A core is movably and removably mounted in the passage and has first and second ends adjacent the first and second ends of the shaft. The core has a first flexible portion adjacent the first end and a second flexible portion of greater flexibility adjacent the second end. The core also has an enlarged terminal knob at the second end. A flexible guidewire may be fixed to the second end of one of the shaft and the core. The catheter may be inserted into a vascular tree and the core removed. The core may be replaced by an exchange wire, an angioscope, a laser fiber, or a rotatable bit. Also, when the core is replaced by an exchange wire, the shaft may then be removed and replaced by either a balloon angioplasty catheter or a perfusion catheter.

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