Patent ID: 8088107

Claim:
A hemodialysis needle comprising: a first outer needle having a conical tip and a sidewall, said sidewall having a plurality of apertures located adjacent said tip; a second introducer needle located within said outer needle; a guide wire located within said introducer needle; and a spring motor removably secured to said outer needle; wherein said introducer needle and said guide wire are insertable into a patient's vein and said spring motor releases said outer needle into the vein after said introducer needle and said guide wire are properly placed within the patient; wherein said spring motor includes at least one lever pivotally attached to said introducer needle and movable therewith; wherein said lever includes a pawl and said outer needle carries a flange engageable by said pawl; wherein said spring motor drives said outer needle forwardly when said lever is depressed disengaging said pawl from said flange; and wherein said lever is accessible so that it can be manually depressed by a person in order to disengage said pawl.