Self-centering umbrella-type septal closure device
作者： Carol A. Ryan , Clifford J. Dwyer , James E. Lock
DOI:
关键词:
摘要: A self-centering umbrella-type septal closure device which includes a proximal and distal occluder each having plurality of arms supporting the occlusion shells. Each support have at least three coils any one or more is secured by centering means so as to control positioning that it centered about defect.
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