Patent ID: 9675759
Date: 2017-06-13
CPC Classifications: A61B,A61M

Claim:
1. A needleless fluid injection device comprising a shaft, the shaft comprising: a proximal end; a distal end; a wall extending from the proximal end to the distal end, the wall comprising a first side and an opposite second side that is unbroken from the proximal end to the distal end of the shaft; and an injection lumen defined by the wall, the injection lumen extending from the proximal end to the distal end of the shaft and comprising a central longitudinal axis, wherein the second side of the wall comprises at least one interior flow feature extending inwardly towards the central longitudinal axis of the injection lumen adjacent to the distal end of the shaft, and wherein the first side of the wall comprises at least one injection orifice adjacent to the distal end of the shaft.