Surgical apparatus
First Claim
Patent Images
1. A surgical apparatus comprising:
- a rigid sheath having a distal end having a distal opening, a proximal end having a proximal opening, and an axis;
an endoscope including an elongated, rigid insertion section having a proximal end and an insertion axis, a hand-side section connected to the proximal end of the insertion section, and an observation optical system having an observation optical axis deviated from the insertion axis of the insertion section, the endoscope being inserted into the sheath through the proximal opening; and
a holder movably provided on the proximal end of the sheath and holding the endoscope at a position eccentric with respect to the axis of the sheath, the holder being arranged such that the observation optical axis of the endoscope intersects the axis of the sheath.
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Abstract
A surgical apparatus comprises a rigid sheath, an object observation mechanism and an observation optical axis rotating mechanism. The sheath has a distal opening and a proximal opening. The object observation mechanism is inserted into the sheath from the proximal opening. The observation optical axis rotating mechanism rotates the object observation mechanism about the axis of the sheath.
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Citations
55 Claims
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1. A surgical apparatus comprising:
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a rigid sheath having a distal end having a distal opening, a proximal end having a proximal opening, and an axis;
an endoscope including an elongated, rigid insertion section having a proximal end and an insertion axis, a hand-side section connected to the proximal end of the insertion section, and an observation optical system having an observation optical axis deviated from the insertion axis of the insertion section, the endoscope being inserted into the sheath through the proximal opening; and
a holder movably provided on the proximal end of the sheath and holding the endoscope at a position eccentric with respect to the axis of the sheath, the holder being arranged such that the observation optical axis of the endoscope intersects the axis of the sheath. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A surgical apparatus comprising:
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a rigid sheath having a distal end having a distal opening, a proximal end having a proximal opening, and an axis;
an endoscope including an elongated, rigid insertion section having a proximal end and an insertion axis, a hand-side section connected to a proximal end of the insertion section, and an observation optical system having an observation optical axis deviated from the insertion axis of the insertion section, the endoscope being inserted into the sheath through the proximal opening;
a holder holding the endoscope on the axis of the sheath and being rotatable about the axis of the sheath relative to the sheath; and
an observation optical axis deviating mechanism provided on the observation optical axis of the endoscope, the observation optical axis deviating mechanism being arranged such that the observation optical axis of the endoscope at least intersects the axis of the sheath. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39)
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40. A surgical apparatus comprising:
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a rigid sheath having a distal end having a distal opening, a circular proximal end having a proximal opening, and an axis;
an object observation mechanism having an observation optical axis inclined to the axis of the sheath, the object observation mechanism being inserted into the sheath; and
an observation optical axis rotating mechanism for rotating the object observation mechanism about the axis of the sheath. - View Dependent Claims (41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51)
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52. A surgical apparatus comprising:
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a rigid sheath having a distal end having a distal opening, a proximal end having a proximal opening, and an axis;
an endoscope having a rigid insertion section having a proximal end, a hand-side section connected to the proximal end of the insertion section, and an observation optical system, the endoscope being inserted into the sheath through the proximal opening; and
optical axis deviating means for holding the endoscope and rotating the endoscope relative to the sheath about the axis of the sheath, with a focal point of the endoscope on an observation optical axis of the endoscope fixed, the optical axis deviating means moving the observation optical axis. - View Dependent Claims (53, 54, 55)
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Specification