1. A camera adaptor (19, 119, 219, 319, 419) for connecting a camera (21, 59, 159, 359, 459) to an interface (13) of a medical-optical observation instrument (1) comprising a parallel beam path, in which the interface (13) is situated in the parallel beam path (9a, 9b) of the medical-optical observation instrument (1) and in which
the camera adaptor (19, 119, 219, 319, 419) has an instrument connector part (41, 141) for the connection to the interface of the medical-optical observation instrument and a camera connector part (43, 143) for the connection to a camera (21, 59, 159),
the beam path (43, 143) runs through the camera adaptor (19, 119, 219, 319, 419) along a linear optical axis,
the camera adaptor (19, 119, 219, 319, 419) comprises an objective-lenses combination (47, 147, 247, 347, 447) with a total focal length in the region of between 40 mm and 120 mm, and
there is, leading on the instrument side in the objective-lenses combination (47, 147, 247, 347, 447), a lens (451) or lens combinations (49, 149, 349) with a positive partial focal length, which is followed, on the side toward the camera, by a lens (57, 157, 357) or lens combinations (449) with a negative partial focal length and the objective-lenses combination forms a tele-system (47, 147, 247, 347) or a triplet (447).
2. The camera adaptor (19, 119, 219, 319) of claim 1, in which the objective-lenses combination (47, 147, 247, 347) has a leading lens or lens combination (49, 149, 349) on the instrument side with a positive partial focal length and a final lens or lens combination (57, 157, 357) on the camera side with a negative partial focal length.
3. The camera adaptor (19, 119, 219, 319) of claim 2, in which the objective-lenses combination (47, 147, 247, 347) has a lens combination of three lenses, which together have a positive partial focal length, as a leading lens or lens combination (49, 149, 349) on the instrument side and a single lens with a negative partial focal length as a final lens or lens combination (57, 157, 357) on the camera side.
4. The camera adaptor (19, 119, 219, 319) of claim 3, in which the leading lens combination (49, 149, 349) on the instrument side comprises two lenses (51, 53, 151, 153, 351, 353) cemented together to form a cemented component.
5. The camera adaptor (19, 119, 219, 319) of claim 4, in which the lens surfaces (F1-F5, G1-G5, H1-H5) of the leading lens combination (49, 149, 349) on the instrument side have, as seen from the instrument side to the camera side, a positive or negative radius of curvature, a negative radius of curvature, a positive or negative radius of curvature, a positive radius of curvature and a positive or negative radius of curvature and the lens surfaces (F6, F7, G6, G7, H6, H7) of the final lens (57, 157, 357) on the camera side have, as seen from the instrument side to the camera side, a positive radius of curvature and a positive radius of curvature.
6. The camera adaptor (19) of claim 1, in which the total focal length of the objective-lenses combination (47) lies in the region of between 40 mm and 120 mm.
7. The camera adaptor (119) of claim 6, in which the absolute value of the partial focal length of the final lens or lens combination (157) on the camera side is less than 110 mm.
8. The camera adaptor (19) of claim 7, in which the total focal length of the objective-lenses combination (47) lies in the region of between 40 mm and 80 mm and the absolute value of the partial focal length of the final lens or lens combination (57) on the camera side is less than 80 mm.
9. The camera adaptor (19) of claim 7, in which the total focal length of the objective-lenses combination (47) lies in the region of between 55 mm and 120 mm and the absolute value of the partial focal length of the final lens or lens combination (157) on the camera side is less than 110 mm.
10. The camera adaptor (419) of claim 1, in which, in the objective-lenses combination (447), the lens or lens combinations (449) with the negative partial focal length isare followed, on the side of the camera, by a lens (457) or lens combination with a positive partial focal length.
11. The camera adaptor (419) of claim 10, in which the lens or lens combinations (449) with the negative partial focal length isare a cemented component.
12. The camera adaptor (419) of claim 11, in which the leading lens (451) or lens combination on the instrument side and the lens (457) or lens combination following the cemented component are designed as single lenses and the cemented component comprises two lenses (453, 455) cemented together.
13. The camera adaptor (419) of claim 12, in which the lens surfaces (J1, J2) of the leading single lens (451) on the instrument side have, as seen from the instrument side to the camera side, a positive or negative radius of curvature and a positive or negative radius of curvature, the lens surfaces (J3-J5) of the cemented component (449) have, as seen from the instrument side to the camera side, a positive radius of curvature, a negative radius of curvature and a positive radius of curvature and the lens surfaces (J6, J7) of the final single lens (457) on the camera side have, as seen from the instrument side to the camera side, a positive radius of curvature and a positive or negative radius of curvature.
14. The camera adaptor (19, 119, 219, 319, 419) of claim 1, in which the objective-lenses combination (47, 147, 247, 347, 447) has four lenses (51, 53, 55, 57, 151, 153, 155, 157, 351, 353, 355, 357, 451, 453, 455, 457).
15. The camera adaptor (19, 119, 219, 319, 419) of claim 1, in which the diameter of the entrance pupil is less than 18 mm.
16. The camera adaptor (219) of claim 1, which comprises an adjustment device (221), with the aid of which a relative movement between a mounted camera (21) and the objective-lenses combination (247) perpendicular to the optical axis can be brought about.
17. The camera adaptor (219) of claim 1, which comprises an adjustment device (221), with the aid of which a relative movement between a mounted camera (21) and the objective-lenses combination (247) along the optical axis can be brought about.
18. The camera adaptor (219) of claim 1, which has a tilting mechanism (221), with the aid of which a relative tilt between a mounted camera (21) and the objective-lenses combination (247) can be brought about.
19. The camera adaptor (219) of claim 1, in which there is a variable stop (249) in front of the objective-lenses combination (247) on the instrument side.
20. A camera-adaptor combination (17) for a medical-optical observation instrument (1) with the camera adaptor (19, 119, 219, 319, 419) of claim 1 and an electronic camera (21, 59, 359, 459) arranged on the camera connector part (43, 143) and comprising a unit for electronic image mirroring (227).
21. The camera-adaptor combination (17) of claim 20, in which the electronic camera (21, 59) comprises a unit for the electronic displacement (229) of the image in a perpendicular fashion with respect to the optical axis.
22. The camera-adaptor combination (17) of claim 20, in which the camera (59, 159, 359, 459) has three image sensors (23A, 23B, 23C) and a color-splitting prism block (61, 161, 361, 461).
23. The camera-adaptor combination (17) of claim 20, in which the electronic camera (21, 59) has at least one \u2153-inch image sensor (23), the focal length of the objective-lenses combination (47) in the camera adaptor (19) lies in the region of between 40 mm and 80 mm and the absolute value of the partial focal length of the lens or lens combination (57) on the camera side is less than 80 mm.
24. The camera-adaptor combination (17) of claim 20, in which the electronic camera (21, 159) has at least one \xbd-inch image sensor (23), the focal length of the objective-lenses combination (147) in the camera adaptor (19) lies in the region of between 55 mm and 120 mm and the absolute value of the partial focal length of the lens or lens combination (157) on the camera side is less than 110 mm.
25. A camera adaptor (19, 119, 219, 319, 419) for connecting a camera (21, 59, 159, 359, 459) to an interface (13) of a medical-optical observation instrument (1) comprising a parallel beam path, in which the interface (13) is situated in the parallel beam path (9a, 9b) of the medical-optical observation instrument (1) and in which
the camera adaptor (19, 119, 219, 319, 419) has an instrument connector part (41, 141) for the connection to the interface of the medical-optical observation instrument and a camera connector part (43, 143) for the connection to a camera (21, 59, 159),
the beam path (43, 143) runs through the camera adaptor (19, 119, 219, 319, 419) along a linear optical axis,
the camera adaptor (19, 119, 219, 319, 419) comprises an objective-lenses combination (47, 147, 247, 347, 447) with a total focal length in the region of between 40 mm and 120 mm, and
the objective-lenses combination (47, 147, 247, 347, 447) comprises at least three and at most four lenses and there is, leading on the instrument side, a lens (451) or lens combination (49, 149, 349) with a positive partial focal length, which is followed, on the side toward the camera, by a lens (57, 157, 357) or lens combination (449) with a negative partial focal length.
26. The camera-adaptor combination (17) for a medical-optical observation instrument (1) with the camera adaptor (19, 119, 219, 319, 419) of claim 25 and an electronic camera (21, 59, 359, 459) arranged on the camera connector part (43, 143) and comprising a unit for electronic image mirroring (227).
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for making a device for converting nitrogen dioxide to nitric oxide comprising:
coating a surface-active material with a reducing agent to form a composition; and
filling at least a chamber of a conversion cartridge with the composition, wherein the conversion cartridge includes an inlet, the chamber and an outlet.
2. The method of claim 1, wherein the reducing agent is an antioxidant.
3. The method of claim 1, wherein the surface-active material comprises a substrate that retains water.
4. The method of claim 2, wherein the antioxidant comprises ascorbic acid, alpha tocopherol or gamma tocopherol.
5. The method of claim 1, wherein filling at least a portion of the receptacle includes filling the chamber.
6. The method of claim 5, wherein the method further includes coating a second surface-active material with a second reducing agent to form a second composition and filling the inlet or the outlet with the second composition.
7. The method of claim 6, wherein the first reducing agent and the second reducing agent are both antioxidants.
8. The method of claim 6, wherein the first reducing agent and the second reducing agent are the same reducing agent.
9. The method of claim 1, wherein filling at least a portion of the receptacle with the composition includes packing at least a portion of the receptacle with the composition.
10. The method of claim 1, wherein coating a surface-active material with a reducing agent to form a composition includes soaking the surface-active material in a solution including the reducing agent.
11. The method of claim 10, wherein coating a surface-active material with a reducing agent to form a composition further includes drying the surface-active material soaked with a solution including the reducing agent.