Insertion assisting instrument for medical device
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Accused Products
Abstract
An endoscope insertion assisting instrument 7 as an insertion assisting instrument for a medical device of the present invention comprises an elongated assisting instrument insertion portion 31 having flexibility for guiding an endoscope 2, which is the medical device, into a deep portion in an intracoelomic duct, a helical structure portion 33 provided on the outer circumference of the assisting instrument insertion portion 31, and a plurality of balloons 32 as locking portions for holding at least a part of the shape of the intracoelomic duct into which the endoscope 2 is inserted and for locking the assisting instrument insertion portion 31 in the intracoelomic duct.
By holding at least a part of the shape of the intracoelomic duct into which a medical device is inserted at insertion of the medical device into the deep portion of the intracoelomic duct by the insertion assisting instrument for a medical device of the present invention, excessive deformation of the intracoelomic duct is suppressed and insertion performance of the medical device into the deep portion of the intracoelomic duct is improved.
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Citations
33 Claims
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1-13. -13. (canceled)
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14. An insertion assisting instrument for a medical device, comprising:
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an elongated insertion portion having flexibility for guiding the medical device into a deep portion in an intracoelomic duct; a helical structure portion provided on the outer circumference of the insertion portion; and a plurality of locking portions for holding at least a part of the shape of the intracoelomic duct into which the medical device is inserted and for locking the insertion portion in the intracoelomic duct. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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Specification