Puncturing device
AssigneeKaneka Corporation
InventorTakuya Kaneko
Life of this patent
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Abstract
A puncturing device (1) comprising: a resin tube (10) having a distal end and a proximal end and extending in a longitudinal direction; a metal tube (20) disposed in a lumen of the resin tube (10); a metal core member (30) joined to a distal end portion of the metal tube (20); and a metal tip (40) joined to a distal end portion of the metal core member (30), wherein the puncturing device (1) has a flow path for a liquid, between an inner surface of the resin tube (10) and an outer surface of the metal core member (30), the flow path is in communication with a lumen of the metal tube (20), and the resin tube (10) has, in a side face thereof, an opening (11) that allows communication between the flow path and outside of the resin tube (10).
Claims16
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 core member joined to a distal end portion of the metal tube;
- and
- a metal tip joined to a distal end portion of the metal core member, wherein
- the puncturing device has a flow path for a liquid, between an inner surface of the resin tube and an outer surface of the metal core member,
- the flow path is in communication with a lumen of the metal tube,
- the resin tube has, in a side face thereof, an opening that allows communication between the flow path and outside of the resin tube, and
- the metal core member has a recessed portion extending throughout the entire longitudinal length of the metal core member so that the flow path is formed along the recessed portion of the metal core member.
Dependencies are inferred from the claim text.