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Puncturing device

Grant US12575882B2 Kind: B2 Mar 17, 2026

Assignee

KANEKA CORPORATION

Inventors

Yuki Mukai, Miho Kobayashi

Abstract

A puncturing device comprising: a resin tube having a distal end and a proximal end, and extending in a longitudinal direction; a metal tube disposed in a lumen of the resin tube; a metal member disposed at a distal end portion of the metal tube; and a metal tip disposed at a distal end portion of the metal member, wherein a flow path is present between an inner surface of the resin tube and an outer surface of the metal member and is in communication with a lumen of the metal tube, the resin tube further includes an opening portion through which the flow path and outside of the resin tube are in communication with each other, and the opening portion is present on a distal side relative to a distal end of the metal tube and on a proximal side relative to the proximal end of the metal tip.

CPC Classifications

A61B 18/1492 A61B 2018/00351 A61B 2017/00247 A61B 17/3417 A61B 17/3478

Filing Date

2022-02-01

Application No.

18277828

Claims

17