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US 2025/0049309 A1Published application
Treatment device
AssigneeOlympus Corporation
InventorsMasaru YUASA, Yoshisane NAKAMURA, Lon B. MILLER, Yung N. NGUYEN, Vincen V. VANG, Yohei YOSHIDA
Life of this patent
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Abstract
A treatment device includes a flexible sheath; a wire configured to be inserted into the sheath; a first treatment member disposed at distal side from the wire; a second treatment member disposed at a distal side from the first treatment member; and a protection member configured to cover the second treatment member when the first treatment member projects from a distal end of the sheath.
Claims20
A treatment device comprising:
- a sheath;
- a treatment member that is configured to advance or retract with respect to the sheath;
- a spring positioned in a distal end of the sheath and into which at least of a part of the treatment member is inserted;
- and
- a distal member attached to a distal end of the sheath around the treatment member,
- wherein
- when the treatment member is advanced with respect to the sheath, the spring is deformed into a compressed shape in the sheath, and when the treatment member is retracted with respect to the sheath, the spring is restored to an original shape from the compressed shape in the sheath.
4 more elements
A high frequency treatment device comprising:
- a flexible sheath;
- a control wire inserted into the sheath;
- a snare connected to a distal end of the control wire;
- and
- a knife directly connected to the snare.
2 more elements
Dependencies are inferred from the claim text.