ENDOSCOPE ASSEMBLY WITH A POLARIZING FILTER
First Claim
Patent Images
1. An endoscope assembly, comprising:
- an imaging device;
a light source; and
a polarizing filter disposed in front of the light source.
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Abstract
An endoscope includes an imaging device, a first polarizing filter disposed in front of the imaging device, a light source, and a second polarizing filter disposed in front of the light source. The planes of polarization of the first and second polarizing filters are at a substantially 90° angle.
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Citations
58 Claims
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1. An endoscope assembly, comprising:
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an imaging device;
a light source; and
a polarizing filter disposed in front of the light source. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An endoscope assembly, comprising:
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an imaging device;
a light source; and
a polarizing filter disposed in front of the imaging device. - View Dependent Claims (13, 14, 15, 16, 17)
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18. An endoscope assembly, comprising:
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an imaging device;
a light source; and
a polarizing filter disposed in front of both the imaging device and the light source. - View Dependent Claims (19, 20, 21, 22)
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23. An endoscope assembly, comprising:
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an imaging device;
a first polarizing filter disposed in front of the imaging device, wherein the first polarizing filter has a plane of polarization;
a light source; and
a second polarizing filter disposed in front of the light source, wherein the second polarizing filter has a plane of polarization, and wherein the plane of polarization of the first polarizing filter is at a substantially 90°
angle from the plane of polarization of the second polarizing filter. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49)
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50. An endoscope assembly, comprising:
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an insertion tube having a channel;
an imaging assembly, wherein a portion of the imaging assembly is rotatably disposed inside the channel of the insertion tube; and
a locking mechanism that rotationally locks the insertion tube and imaging assembly.
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51. An major-minor endoscope comprising:
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a major endoscope having a first light source positioned proximate to one end and having a first imaging device positioned proximate to the one end, the major endoscope further including a channel along its length;
a minor endoscope adapted for insertion into and through the channel of the major endoscope, the minor endoscope including an elongated body, a second light source positioned proximate to one end and having a second imaging device positioned proximate to the one end;
a first polarizer positioned to polarize the light from the light source of one of the endoscopes; and
a second polarizer positioned to polarize light received by the imaging device of the other endoscope. - View Dependent Claims (52, 53, 54)
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55. An endoscope for use with an independently positionable polarized light source, the endoscope comprising:
- an elongated body having a first imaging device positioned proximate to one end; and
a first polarizer positioned to polarize light received by the imaging device. - View Dependent Claims (56)
- an elongated body having a first imaging device positioned proximate to one end; and
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57. A pair of polarized endoscopes adapted for cooperative use within the human body, wherein each endoscope comprises an elongated body, an imaging device positioned proximate to one end, and a light source positioned proximate to the one end;
- wherein a polarizer is positioned to polarize the light from the light source of one of the endoscopes and a second polarizer is positioned to polarize the light received by the imaging device of the other endoscope.
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58. A pair of endoscopes as in 57 further comprising a third polarizer positioned to polarize the light from the light source of the other endoscope and a fourth polarizer is positioned to polarize the light received by the imaging device of the one endoscope.
Specification