Ultrasound internal examination system
First Claim
1. An ultrasound internal examination system, comprising:
- an ultrasound probe having an ultrasound vibratory element at a tip end of a flexible insert cable said probe being adapted to be passed through a biopsy channel of an endoscope;
an operating unit detachably mounted at a rear end of said biopsy channel of said endoscope and connected to a base end portion of said flexible cable;
a probe operating member provided on said operating unit to linearly scan over a stroke range said ultrasound vibratory member over a predetermined scanning range;
an initial position sensor means for detecting the position of an initial point of said scanning range;
an incremental encoder adapted to generate pulse signals at a predetermined frequency upon detection of and during a displacement of said ultrasound vibratory element by displacement of said probe operating member; and
said incremental encoder comprising a rotary portion being capable of more than one revolution over said stroke range of said probe operating member in both incremental and decremental directions.
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Accused Products
Abstract
Described herein is an ultrasound internal examination system which essentially includes: an ultrasound probe having an ultrasound vibratory element at the tip end of a flexible cable to be passed through a biopsy channel of an endoscope; an operating unit detachably mounted at the rear end of the biopsy channel of the endoscope and connected to a base end portion of the flexible cable; a probe operating member provided on the operating unit to scan the ultrasound vibratory member over a predetermined scanning range; an initial position sensor means for detecting the position of an initial point of the scanning range; and an incremental encoder adapted to generate pulse signals at a predetermined frequency upon detection of and during a displacement of the ultrasound vibratory element caused by the probe operating member.
76 Citations
4 Claims
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1. An ultrasound internal examination system, comprising:
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an ultrasound probe having an ultrasound vibratory element at a tip end of a flexible insert cable said probe being adapted to be passed through a biopsy channel of an endoscope; an operating unit detachably mounted at a rear end of said biopsy channel of said endoscope and connected to a base end portion of said flexible cable; a probe operating member provided on said operating unit to linearly scan over a stroke range said ultrasound vibratory member over a predetermined scanning range; an initial position sensor means for detecting the position of an initial point of said scanning range; an incremental encoder adapted to generate pulse signals at a predetermined frequency upon detection of and during a displacement of said ultrasound vibratory element by displacement of said probe operating member; and said incremental encoder comprising a rotary portion being capable of more than one revolution over said stroke range of said probe operating member in both incremental and decremental directions. - View Dependent Claims (2, 3, 4)
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Specification