Patent ID: 9539026
Date: 2017-01-10
CPC Classifications: A61B,A61M

Claim:
1. A needle guide, comprising: a coupler; a fixed part having a conical shape configured to be fixedly mounted to an imaging probe via the coupler, the fixed part having a hollow conical cavity with an open proximal end and a round distal end defining an opening configured to allow a needle to pass therethrough, wherein the opening in the round distal end is smaller than the open proximal end; a movable part configured to be at least partially received within the hollow conical cavity of the fixed part, the movable part defining a second cavity for receiving the needle, wherein the movable part comprises one or more needle guide elements within the movable part, wherein the one or more needle guide elements comprising: at least one rotation sensor configured to measure an anaular rotation of the movable part relative to the fixed part; and at least one displacement sensor configured to attach to the rotatable element and to measure displacement of the needle relative to the movable part.