| CPC A61B 8/085 (2013.01) [A61B 8/4218 (2013.01)] | 19 Claims |

|
1. A puncture device guide, comprising:
an adapter (105) configured to fixedly attach to an ultrasound probe (10);
a syringe holder assembly (140) configured to slidingly attach to the adapter (105) and receive a syringe (15) therein;
wherein the syringe holder assembly (140) is configured to slide on probe adapter (105) in an axial direction relative to the ultrasound probe (10);
wherein the syringe holder assembly (140) is configured to allow for selective adjustment of a radial distance for a path of a needle (25) of the syringe (15) relative to the ultrasound probe (10);
wherein the adapter (105) includes a tip guide (135, 1135) to selectively align a distal end of the needle (25) with the radial distance for the path;
wherein, when the ultrasound probe (10) is inserted into a patient, the syringe assembly is configured to slide forward on the adapter to insert the needle past the tip guide into a patient; and
wherein the puncture device guide further comprises:
a guide plate (130, 1130), the guide plate including:
a hole (606) to receive the needle (25) therethrough,
a boss (608, 1108) configured to be received by the tip guide (135, 1135), and
a coupling element (602) configured to removeably attach the guide plate (130, 1130) to the tip guide (135, 1135), and wherein:
the tip guide (135, 1135) further comprises:
multiple slots (1107) at different radial distances configured to receive the boss (608, 1108) of the guide plate (130, 1130), and
wherein each of the multiple slots (1107) corresponds to one of the radial distances for the path of the needle (25).
|