| 摘要 |
Apparatus, consisting of a probe, having a proximal end and a distal end, which is deflectable in first and second directions. The apparatus includes a probe manipulator, which is coupled to the proximal end of the probe and has first and second tactile control elements. The elements are operable by a user of the probe to deflect the distal end in the first and second directions, respectively, and are tactilely distinguishable one from the other.
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