MEDICAL DEVICE
A medical device is disclosed which can suppress torsion of a wire in a circumferential direction in an expansion body formed using the wire. The medical device includes an elongated shaft portion, and an expansion body disposed in a distal portion of the shaft portion, the expansion body configured...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A medical device is disclosed which can suppress torsion of a wire in a circumferential direction in an expansion body formed using the wire. The medical device includes an elongated shaft portion, and an expansion body disposed in a distal portion of the shaft portion, the expansion body configured to expand and contract in a radial direction. The expansion body has wire portions in which a distal portion and a proximal portion are linked with the shaft portion, and a holding portion formed using at least one of the wire portions, and holding a biological tissue. At least one of a proximal side and a distal side of the holding portion has an opening portion formed using a wire portion or formed using a plurality of the wire portions. When the expansion body expands, the wire portion forming the holding portion faces the opening portion. |
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