Summary
The construction of a propulsion chamber system is simplified by separating the different eelements of its functions. For injections of the propulsive fluid the coiling chamber is bypassed, leaving its contents untouched. The diameter of the coaxial system is reduced by minimizing the space between the two catheters. Consequently the puncture site becomes small (a balloon-catheter may be introduced through a 16 G catheter needle) allowing punctures proximal to lesions (e.g. puncture of the axillary a. or the carotid a.) and thus shortening the length of the coaxial catheter system. The risk of thrombus formation diminishes and renders heparinization dispensable. Control angiographies are separated from the coaxial system.
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Supported by Schweizerische Gesellschaft für Radiologie und Nuklearmedizin
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Rüfenacht, D.A., Merland, J.J., Guimaraens, L. et al. A simple propulsion-chamber-system for the 16 gauge approach. Neuroradiology 28, 355–358 (1986). https://doi.org/10.1007/BF00333445
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DOI: https://doi.org/10.1007/BF00333445