Patent ID: 8043266

Claim:
An indwelling needle assembly comprising: an inner needle having a sharp point at a tip thereof; an inner needle hub fixed to a base section of said inner needle; a hollow outer needle into which said inner needle is inserted; an outer needle hub fixed to a base section of said outer needle; a tube inserted into said inner needle hub and connected to said base section of said outer needle hub so that an inner cavity of said tube communicates with an inner cavity of said outer needle; and a protector for covering at least said sharp point of said inner needle when said inner needle is withdrawn from said outer needle; wherein a center axis of said outer needle and a center axis of said tube at a head section of said tube are substantially parallel with each other in the condition where said inner needle is inserted into said outer needle, wherein said protector is at least partially covered with at least one of the inner needle hub and the outer needle hub in an assembled condition, and wherein said inner needle hub is provided with a slit along a longitudinal direction thereof so that said tube can be detached from said inner needle hub through said slit when said inner needle is withdrawn from said outer needle.