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US 2007/0191886 A1Published application
Needle for endoscopic treatment and operative procedure via body orifice
AssigneeOlympus Medical Systems Corp.
InventorsTakumi Dejima, Manabu Miyamoto, Kiyotaka Matsuno
Life of this patent
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Abstract
A puncture needle includes: a needle part that has a first needle part and a second needle part that are hollow, adjacent, and have resiliency; and a sheath that retractably accommodates the needle part; in which a bend part that separates distal end sides of the first needle part and the second needle part to be further apart than proximal end sides thereof is provided in at least one of the first needle part and the second needle part.
Claims8
A puncture needle comprising:
- a needle part that has a first needle part and a second needle part that are hollow, adjacent, and have resiliency;
- and
- a sheath that accommodates the needle part to freely protrude and retreat;
- wherein a bend part that separates distal end sides of the first needle part and the second needle part to be further apart than proximal end sides thereof is provided in at least one of the first needle part and the second needle part.
1 more element
Dependencies are inferred from the claim text.