| http://www.w3.org/ns/prov#value | - The catheter can be made of any useful medical grade material (e.g., polymers and/or glass) and can be of any size, such as but not limited to from about 1 French (0.33 mm) or less to about 30 French (10 mm) or more; for example, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, or 20 French (3 French is equivalent to about 1 mm).
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