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A retrievable nitinol vena cava filter: experimental and initial clinical results
N Nakagawa1, A H Cragg, T P Smith
1Department of Radiology, University of Iowa Hospitals and Clinics, University of Iowa College of Medicine, Iowa City.
Summary
This study demonstrates a new nitinol vena cava filter is effective for temporary clot trapping and retrieval in sheep and humans. Pericathether thrombosis is a limitation, but temporary vena cava filtration shows feasibility.
Area of Science:
- Biomedical Engineering
- Vascular Surgery
- Interventional Radiology
Background:
- Inferior Vena Cava (IVC) filters are crucial for preventing pulmonary embolism.
- Current filters have limitations regarding retrievability and thrombogenicity.
- Nitinol offers unique properties for advanced medical device design.