| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an indwelling needle assembly that is hard to slide and facilitates a puncture operation. <P>SOLUTION: This indwelling needle assembly 1 includes: a hollow outer needle 2; an outer needle hub 3 secured to the base end of the outer needle 2; an inner needle 4 having a sharp needle tip at its tip end and being inserted in the interior of the outer needle 2; an inner needle hub 5 bondedly secured to the base end of the inner needle 4 with adhesive; and a tube 7 connected to the lateral part of the outer needle hub 3 so that its lumen 71 is communicated to the lumen 21 of the outer needle 2. The inner needle hub 5 is provided with a projection 61 formed by projecting the adhesive in the base end direction from the base end face 53 of an inner needle hub body 50. The base end face 53 and the projection 61 constitute a finger rest section 54 where the thumb of a hand holding the indwelling needle assembly 1 comes into contact. <P>COPYRIGHT: (C)2011,JPO&INPIT |
