ULTRASONIC OPERATING APPARATUS
First Claim
1. An ultrasonic treatment instrument comprising:
- an ultrasonic transducer which produces ultrasonic vibration;
a probe portion which has a distal end portion and a proximal end portion, the proximal end portion being coupled to the ultrasonic transducer, and ultrasonic wave outputted from the ultrasonic transducer is transmitted;
a sheath portion which is formed from a cylinder body having a distal end portion and a proximal end portion and in which the probe portion is inserted detachably, the sheath portion having, at the distal end portion, a grasping member rotatably supported so as to face the probe portion; and
a handle portion which is detachably coupled to the proximal end portion of the sheath portion and operates the grasping member such that the grasping member is opened and closed to the probe portion, whereinthe distal end portion of the probe portion includes a cavitation production portion where the distal end portion of the probe portion has, on a face thereof facing the grasping member, a flat portion extending so as to intersect a vibration direction of the ultrasonic vibration, and cavitation is produced by the flat face in a state that a body tissue has been grasped between the grasping member and the distal end portion of the probe portion.
1 Assignment
0 Petitions
Accused Products
Abstract
An ultrasonic treatment instrument is provided with an ultrasonic transducer, a probe portion to which ultrasonic wave outputted from the ultrasonic transducer is transmitted, a sheath portion into which the probe portion is inserted detachably, the sheath portion including at a distal end portion thereof, a grasping member rotatably supported so as to face the probe portion, and a handle portion coupled to a proximal end portion of the sheath portion detachably and operating the grasping member such that the grasping member is opened and closed to the probe portion, where the distal end portion of the probe portion includes a cavitation production portion where the distal end portion of the probe portion has, on a face thereof facing the grasping member, a flat face extending so as to intersect a vibration direction of the ultrasonic vibration, and cavitation is produced by the flat face in a state that a body tissue has been grasped between the grasping member and the distal end portion of the probe portion.
238 Citations
16 Claims
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1. An ultrasonic treatment instrument comprising:
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an ultrasonic transducer which produces ultrasonic vibration; a probe portion which has a distal end portion and a proximal end portion, the proximal end portion being coupled to the ultrasonic transducer, and ultrasonic wave outputted from the ultrasonic transducer is transmitted; a sheath portion which is formed from a cylinder body having a distal end portion and a proximal end portion and in which the probe portion is inserted detachably, the sheath portion having, at the distal end portion, a grasping member rotatably supported so as to face the probe portion; and a handle portion which is detachably coupled to the proximal end portion of the sheath portion and operates the grasping member such that the grasping member is opened and closed to the probe portion, wherein the distal end portion of the probe portion includes a cavitation production portion where the distal end portion of the probe portion has, on a face thereof facing the grasping member, a flat portion extending so as to intersect a vibration direction of the ultrasonic vibration, and cavitation is produced by the flat face in a state that a body tissue has been grasped between the grasping member and the distal end portion of the probe portion. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An ultrasonic treatment instrument comprising:
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a flexible pipe portion having a distal end portion and a proximal end portion; a procedure tool main body disposed at the distal end portion of the flexible pipe portion; and a procedure tool operation unit disposed at the proximal end portion of the flexible pipe portion, wherein the procedure tool main body comprises; an ultrasonic transducer producing ultrasonic vibration, a cover member having a distal end portion and a proximal end portion and covering a periphery of the ultrasonic transducer, the proximal end portion of the cover member being fixed to the ultrasonic transducer, and a grasping member pivoted to the distal end portion of the cover member, and including a grasping face grasping a body tissue between the one and a distal end portion of the ultrasonic transducer at a position facing the distal end portion of the ultrasonic transducer; and the procedure tool operation unit comprises; a slide mechanism which has a distal end portion and a proximal end portion and whose distal end portion is coupled to the grasping member, and a handle portion which operates the grasping member such that the grasping member is opened and closed to the distal end portion of the ultrasonic transducer according to operation of the slide mechanism in an axial direction thereof, wherein the distal end portion of the ultrasonic transducer includes a cavitation production portion where the distal end portion of the ultrasonic transducer has, on a face thereof facing the grasping member, a flat portion extending so as to intersect a vibration direction of the ultrasonic vibration, and cavitation is produced by the flat face in a state that a body tissue has been grasped between the grasping member and the distal end portion of the ultrasonic transducer. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16)
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Specification