Ultrasonic endoscope having elongated array mounted in manner allowing it to remain flexible
First Claim
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1. An improved fiber-optic endoscope of the type comprising:
- (a) a tube having a bending section which can be bent under operator control, which tube includes a distal end portion which contains light transmitting and receiving means;
(b) a control unit with which an operator can control, through control means, the position of said distal portion;
(c) an intermediate insertion portion of said tube between said distal portion and said control unit; and
(d) an elongated ultrasonic transducer of the type which provides cross-sectional images through a portion of the body, which transducer is mounted on said tube,wherein the improvement comprises the elongated ultrasonic transducer being mounted on the distal end of said insertion portion of said tube.
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Abstract
The invention is a fiber-optic endoscope which has an elongated ultrasonic array, such as a linear array or a phased array. The array is mounted on either the distal portion of the bending section (not under operator control) portion of the endoscopic tube or on the proximal portion of bendable portion of the tube. Thus, the present invention includes both a fiber-optic endoscope and an ultrasonic transducer. Yet, the presence of the ultrasonic transducer does not interfere with the operation of the placement of the fiber-optic probe.
128 Citations
10 Claims
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1. An improved fiber-optic endoscope of the type comprising:
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(a) a tube having a bending section which can be bent under operator control, which tube includes a distal end portion which contains light transmitting and receiving means; (b) a control unit with which an operator can control, through control means, the position of said distal portion; (c) an intermediate insertion portion of said tube between said distal portion and said control unit; and (d) an elongated ultrasonic transducer of the type which provides cross-sectional images through a portion of the body, which transducer is mounted on said tube, wherein the improvement comprises the elongated ultrasonic transducer being mounted on the distal end of said insertion portion of said tube. - View Dependent Claims (2, 3, 4, 5)
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6. An improved fiber-optic endoscope of the type comprising:
- (a) a tube having a bending section which can be bent under operator control, which tube includes a distal end portion which contains a light transmitting and receiving means;
(b) a control unit with which an operator can control, through control means, the position of said distal portion; (c) an intermediate insertion portion of said tube between said distal portion and said control unit; and (d) an elongated ultrasonic transducer of the type which provides cross-sectional images through a portion of the the body, which transducer is mounted on said tube, wherein the improvement comprises the elongated ultrasonic transducer being mounted on the proximal end of said bending section of said tube that said light transmitting and receiving means can be bent back, under operator control, to observe said transducer. - View Dependent Claims (7, 8, 9, 10)
- (a) a tube having a bending section which can be bent under operator control, which tube includes a distal end portion which contains a light transmitting and receiving means;
Specification