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  • Title: Detachable stainless-steel spider. A new device for vessel occlusion.
    Author: Lund G, Cragg AH, Rysavy JA, Castaneda F, Castaneda-Zuniga WR, Amplatz K.
    Journal: Radiology; 1983 Aug; 148(2):567-8. PubMed ID: 6867361.
    Abstract:
    A new device for transcatheter vessel occlusion consists of a stainless-steel spider which can be screwed onto a threaded guide wire. Since the spider can be retrieved after it is extruded from the catheter, accurate placement is possible. The device was tested in the aorta and pulmonary artery of dogs. The spider blocked the movement of steel coils and wool streamers and occluded the vessel. This device is particularly useful for occlusion of large arteriovenous fistulas in the lungs.
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