Rigid electronic endoscope
First Claim
Patent Images
1. A rigid electronic endoscope comprising:
- a rigid hollow insertable part of substantially constant hollow cross sectional area having a tip end and a base end;
an operating part provided at said base end of said insertable part;
a tip part provided at the tip end of said insertable part, said tip part being of cross sectional area substantially equal to said insertable part hollow cross sectional area and including a solid state imaging device provided as an imaging means for said endoscope; and
a supporting part for said tip part forming an inner pipe extending axially through said insertable part between said tip end and said base end, said supporting part accommodating therewithin signal lines for said imaging device and having a cross sectional area substantially less than said hollow cross sectional area of said insertable part, such that major hollow cross sectional area space remains for passage therethrough of treating means.
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Accused Products
Abstract
This rigid electronic endoscope is formed of an endoscope body and an elongate tubular guide tube. An insertable part to be inserted through the guide tube is provided in front of this endoscope body. A solid state imaging device as an imaging means is provided in the tip part of this insertable part and a supporting part of a cross-sectional area smaller than of this tip part is provided in the rear of this tip part. A space as a treating tool inserting path or as a liquid feeding and sucking tube path which can feed and drain an irrigating liquid is formed between this supporting part and the inner surface of the guide tube.
222 Citations
28 Claims
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1. A rigid electronic endoscope comprising:
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a rigid hollow insertable part of substantially constant hollow cross sectional area having a tip end and a base end; an operating part provided at said base end of said insertable part; a tip part provided at the tip end of said insertable part, said tip part being of cross sectional area substantially equal to said insertable part hollow cross sectional area and including a solid state imaging device provided as an imaging means for said endoscope; and a supporting part for said tip part forming an inner pipe extending axially through said insertable part between said tip end and said base end, said supporting part accommodating therewithin signal lines for said imaging device and having a cross sectional area substantially less than said hollow cross sectional area of said insertable part, such that major hollow cross sectional area space remains for passage therethrough of treating means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A rigid electronic endoscope comprising:
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a rigid hollow insertable part of substantially constant hollow cross sectional area having a tip end and a base end; an operating part provided at said base end of said insertable part; a rigid elongate guide tube through which said insertable part is inserted such that a space is provided between said insertable part and said guide tube; a tip part provided at the tip end of said insertable part, said tip part being of cross sectional area substantially equal to said insertable part hollow cross sectional area and including a solid state imaging device provided as an imaging means for said endoscope; and a supporting part for said tip part forming an inner pipe extending axially through said insertable part between said tip end and said base end, said supporting part accommodating therewithin signal lines for said imaging device and having a cross sectional area substantially less than said hollow cross sectional area of said insertable part, such that major cross sectional area space remains for passage therethrough of treating means. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A rigid electronic endoscope comprising:
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a rigid insertable part having a tip end and a base end; an operating part provided at said base end of said insertable part; a guide tube having a hollow part of substantially constant cross sectional area through which said insertable part is inserted; a tip part provided at the tip end of said insertable part, said tip part being of cross sectional area less than said guide tube cross sectional area and including a solid state imaging device provided as an imaging means for said endoscope; and a supporting part for said tip part forming a inner pipe of substantially less cross sectional area then said tip part extending axially through said guide tube, wherein said supporting part is formed to be flat and thin and so arranged to divide said hollow part into two parallel hollow parts. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28)
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Specification