主权项 |
1. A securing mechanism comprising:
an endoscope having a handle and an elongated tubular portion extending from the handle, the elongated tubular portion comprising a plurality of axially extending grooves, an engagement portion adapted for engagement with the elongated tubular portion of the endoscope, the engagement portion comprising a plurality of teeth engaged with the grooves so as to secure the rotational position of the elongated tubular portion of the endoscope without inhibiting axial movement of the elongated tubular portion of the endoscope relative to the securing mechanism, wherein the engagement portion is rotatably disposed within a circular race of the securing mechanism, wherein the securing mechanism comprises a button adapted for selectively allowing or preventing rotation of the engagement portion relative to the circular race, and wherein the securing mechanism is configured for attachment to a patient, and further comprising a bite block having a proximal portion, a distal portion, an inner portion, and an outer portion, wherein the inner portion contains a lumen; wherein the engagement portion is disposed within the lumen of the inner portion. |