Patent ID: 9400161
Filing Date: 2016-07-26
CPC Classification: A61B,G01B,G01N

Claim Text:
1. An OCT probe using PZT, comprising: an outer case having defined an inner space therein and extending a predetermined length; a vibrator having a hollow body made of a piezoelectric element, the body extending a predetermined length, and a plurality of electrodes arranged on an outer circumference of the body in a circumferential direction such that the hollow body can be vibrated in response to a voltage of a sine wave induced thereto, the electrodes being connected with cables; a base arranged at a predetermined distance outside the body via a support member having a predetermined height such that the base surrounds a part of the body, the base being fixedly disposed inside the case to fix a part of the vibrator; and an optical fiber arranged to extend through an inside of the body such that the optical fiber emits light to a subject and receives the light reflected or scattered from the subject, an intermediate portion of the optical fiber being fixed by a ferrule inserted a predetermined depth into one end of the body; wherein one end of the support member supports the base at a point where an amplitude of vibration in the hollow body is zero.