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Endoscopic device

  • US 5,807,237 A
  • Filed: 03/31/1997
  • Issued: 09/15/1998
  • Est. Priority Date: 03/31/1997
  • Status: Expired due to Term
First Claim
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1. An endoscopic device for viewing internal parts of a body, comprising:

  • an endoscope comprising;

    (a) a rigid elongated tube having a proximal and a distal end;

    (b) a control body attached to the proximal end of the elongated tube;

    (c) an ocular eyepiece attached to the control body, said eyepiece adapted to permit viewing through the device to the distal end;

    (d) a flexible fiber optic tip with a lens attached to the distal end of the rigid elongated tube;

    (e) means for adjusting the position of the flexible fiber optic tip; and

    a cannula having a proximal end, a distal end, an outer circumference and an inner circumference, and adapted to receive the endoscope, comprising;

    (a) a hollow tube;

    (b) means for moving the endoscope within said cannula between a cannula-extended position and a cannula-retracted position; and

    (c) means for locking and unlocking the endoscope in the cannula-extended position and the cannula-retracted position,wherein in the cannula-extended position, the flexible tip is disposed entirely within the cannula and in the cannula-retracted position, the flexible tip extends beyond the distal end of the cannula.

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