Intracoelomic mobile body, and capsule-type ultrasonic endoscope
First Claim
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1. An intracoelomic mobile body comprising:
- a swallowable capsule body which has an internal body to be rotated, the swallowable capsule body can be introduced into the human body and having first and second ends offset in a longitudinal direction; and
a rotation drive unit which has a rotation shaft for freely rotating the internal body to be rotated back and forth, the rotation drive unit being arranged in the swallowable capsule body between the first and second ends of the swallowable capsule body in such a way that a first line obtained by linking the positions of center of gravity of cross-sections formed up to limit of the formation when the capsule body is cut along a plane perpendicular to the rotation shaft does not overlap a second line obtained by extending the rotation shaft as the same line.
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Abstract
An intracoelomic mobile body comprising: a capsule body which has a body to be rotated and can be introduced into the human body; and a rotation drive unit which has a rotation shaft for freely rotating the body to be rotated back and forth. The rotation drive unit is arranged in the capsule body in such a way that a first line obtained by linking the positions of center of gravity of cross-sections formed up to a limit of the formation when the capsule body is cut along a plane perpendicular to the rotation shaft does not overlap a second line obtained by extending the rotation shaft as the same line.
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Citations
29 Claims
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1. An intracoelomic mobile body comprising:
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a swallowable capsule body which has an internal body to be rotated, the swallowable capsule body can be introduced into the human body and having first and second ends offset in a longitudinal direction; and a rotation drive unit which has a rotation shaft for freely rotating the internal body to be rotated back and forth, the rotation drive unit being arranged in the swallowable capsule body between the first and second ends of the swallowable capsule body in such a way that a first line obtained by linking the positions of center of gravity of cross-sections formed up to limit of the formation when the capsule body is cut along a plane perpendicular to the rotation shaft does not overlap a second line obtained by extending the rotation shaft as the same line. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A capsule-type ultrasonic endoscope comprising:
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a swallowable capsule body which has an internal body to be rotated, the swallowable capsule body can be introduced into the human body and having first and second ends offset in a longitudinal direction; and a rotation drive unit which has a rotation shaft for freely rotating the internal body to be rotated back and forth, the rotation drive unit being arranged in the swallowable capsule body between the first and second ends of the swallowable capsule body in such a way that a first line obtained by linking the positions of center of gravity of cross-sections formed up to a limit of the formation when the capsule body is cut along a plane perpendicular to the rotation shaft does not overlap a second line obtained by extending the rotation shaft as the same line. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A capsule-type ultrasonic endoscope comprising:
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a swallowable capsule body which can be introduced into the human body, the swallowable capsule body having first and second ends offset in a longitudinal direction; an ultrasonic transducer internal to the swallowable capsule body and which can generate ultrasonic waves; and a rotation drive unit which has a rotation shaft for rotating the ultrasonic transducer, the rotation drive unit being arranged in the swallowable capsule body between the first and second ends of the swallowable capsule body in such a way that a first line obtained by linking the positions of center of gravity of cross-sections formed up to a limit of the formation when the capsule body is cut along a plane perpendicular to the rotation shaft does not overlap a second line obtained by extending the rotation shaft as the same line. - View Dependent Claims (28, 29)
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Specification