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Oscillating probe aspiration thrombectomy: comparative in vitro evaluation of two concepts.

Abstract：

:Aspiration thrombectomy supported by an oscillating metal probe within the catheter allows continuous aspiration of large thrombi without catheter obstruction. Thrombus aspiration assisted by an ultrasound-driven probe (frequency 26 kHz) and by an electric motor-driven probe (frequency 40 Hz) was compared in two different in vitro models: aspiration of large clots from a Petri dish and recanalization of thrombotic occlusions in a flow model. Comparable results were found for a 1 mm ultrasound-driven probe and a 0.5 mm motor-driven probe. The motor-driven device, however, seems to be more appealing for in vivo application because of its simplicity, probe flexibility, absence of thermal effects, and low cost.

journal_name

Cardiovasc Intervent Radiol

journal_title

Cardiovascular and interventional radiology

authors

Schmitz-Rode T,Günther RW

doi

10.1007/BF02735577

subject

Has Abstract

pub_date

1992-05-01 00:00:00

pages

151-3

issue

3

eissn

0174-1551

issn

1432-086X

journal_volume

15

pub_type

杂志文章

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