Needle assembly
AssigneeNipro Corporation
InventorsHiroyuki Nakagami, Satoshi Kamimura
Life of this patent
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Abstract
A needle assembly comprising a needle, a needle hub in which the needle is secured at a distal end portion of the needle hub, a protector having an elongated rod-shaped main body and a needle tip protection part provided on the distal end of the main body for sliding on the needle, and a cylindrical hub cover having an inner channel provided on the distal end of the needle hub. The needle hub and the hub cover each have such a shape as to form a side hole when the needle hub and the hub cover are integrally joined, and the protector main body moves to the distal end or the proximal end while inserted in the side hole.
Claims12
A needle assembly comprising a hollow needle having a sharp needle tip at a distal end of the needle;
- a needle hub having a distal end in which the needle is secured and having an inner lumen in communication with the inside of the needle;
- a needle protector having an elongated rod-shaped main body and a needle tip protection part, said needle tip protection part being a tubular cylindrical member provided on a distal end of said main body for sliding on the needle;
- a cylindrical needle hub cover provided on the distal end of the needle hub and having an inner channel for accommodating the needle and the needle tip protection part therein;
- the needle hub and the needle hub cover each having such a shape as to form a side hole providing communication between the outside of said assembly and the inner channel of the needle hub cover when the needle hub and the needle hub cover are joined;
- wherein said main body of the protector is positioned in said side hole and is movable along the needle toward the distal end or the proximal end of the needle.
Dependencies are inferred from the claim text.