CA2536895A1 - Image orienting coupling assembly - Google Patents
Image orienting coupling assembly Download PDFInfo
- Publication number
- CA2536895A1 CA2536895A1 CA002536895A CA2536895A CA2536895A1 CA 2536895 A1 CA2536895 A1 CA 2536895A1 CA 002536895 A CA002536895 A CA 002536895A CA 2536895 A CA2536895 A CA 2536895A CA 2536895 A1 CA2536895 A1 CA 2536895A1
- Authority
- CA
- Canada
- Prior art keywords
- assembly
- optical element
- optical
- processor
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00112—Connection or coupling means
- A61B1/00121—Connectors, fasteners and adapters, e.g. on the endoscope handle
- A61B1/00126—Connectors, fasteners and adapters, e.g. on the endoscope handle optical, e.g. for light supply cables
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00163—Optical arrangements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2407—Optical details
- G02B23/2423—Optical details of the distal end
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2476—Non-optical details, e.g. housings, mountings, supports
- G02B23/2484—Arrangements in relation to a camera or imaging device
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
- G02B27/642—Optical derotators, i.e. systems for compensating for image rotation, e.g. using rotating prisms, mirrors
Abstract
A coupling assembly for a scope and an image sensor housing is disclosed generally comprising an image orientation unit having first and second coupling sectio ns for coupling the unit to a scope and an image sensor housing, such as a camera head, an optic al assembly with a rotatable optical element for rotating the images, a rotation sensor for monitoring rotation of the optical element, an accelerometer for monitoring rotation of the unit, and a processor for receiving signals from the rotation sensor and the accelerometer and calculating the orientation of the images relative to the direction of gravity. In certain embodiments, the processor causes an actuator to rotate the optical element to level the images. In some embodiments, the processor activates a visual indicator, such as a diode, to indicate the direction of vertical.
Claims (33)
1. A coupling assembly for connecting a scope and image sensor housing, comprising:
a image orientation unit having first and second ends, said unit having a first coupler section located at the first end of said unit for coupling said unit to a scope and a second coupler section located at the second end of said unit for coupling said unit to an image sensor housing;
an optical assembly at least partly arranged in said unit for transmitting images therethrough, said optical assembly having at least one rotatable optical element that rotates the optical images;
a rotation sensor for monitoring rotation of said optical element and generating a first signal therefor;
an accelerometer arranged in said image orientation unit for monitoring the rotation of said unit and generating a second signal therefor; and a processor connected to said rotation sensor and said accelerometer for receiving the first and second signals and, at least partly based on the first and second signals, calculating the orientation of the images relative to the direction of gravity.
a image orientation unit having first and second ends, said unit having a first coupler section located at the first end of said unit for coupling said unit to a scope and a second coupler section located at the second end of said unit for coupling said unit to an image sensor housing;
an optical assembly at least partly arranged in said unit for transmitting images therethrough, said optical assembly having at least one rotatable optical element that rotates the optical images;
a rotation sensor for monitoring rotation of said optical element and generating a first signal therefor;
an accelerometer arranged in said image orientation unit for monitoring the rotation of said unit and generating a second signal therefor; and a processor connected to said rotation sensor and said accelerometer for receiving the first and second signals and, at least partly based on the first and second signals, calculating the orientation of the images relative to the direction of gravity.
2. The assembly of claim 1, further comprising an actuator for rotating said optical element, wherein said actuator is connected to said processor to receive a signal from said processor indicating the amount to rotate said optical element in order to level said images.
3. The assembly of claim 2, wherein said actuator comprises a motor, further comprising:
an optical element housing in which said optical element is at least partly disposed;
a first gear coupled to said motor and rotated thereby;
a second gear driven by said first gear and coupled to said optical element housing such that said optical element is rotated by rotation of said second gear.
an optical element housing in which said optical element is at least partly disposed;
a first gear coupled to said motor and rotated thereby;
a second gear driven by said first gear and coupled to said optical element housing such that said optical element is rotated by rotation of said second gear.
4. The assembly of claim 2, further comprising:
an optical element housing in which said optical element is at least partly disposed;
wherein said orientation unit includes a main housing, the second coupling section of said orientation unit includes a rotatable member that rotates relative to said main housing, and said optical element housing is coupled to said rotating member such that said optical element rotates with said rotating member relative to said main housing;
wherein said actuator comprises a motor; and a differential gear set driven by said motor and coupled to said optical element housing such that said optical element is rotated thereby.
an optical element housing in which said optical element is at least partly disposed;
wherein said orientation unit includes a main housing, the second coupling section of said orientation unit includes a rotatable member that rotates relative to said main housing, and said optical element housing is coupled to said rotating member such that said optical element rotates with said rotating member relative to said main housing;
wherein said actuator comprises a motor; and a differential gear set driven by said motor and coupled to said optical element housing such that said optical element is rotated thereby.
5. The assembly of claim 1, wherein said optical assembly includes a second rotatable optical element, further comprising a second rotation sensor for monitoring rotation of said second optical element and generating a third signal therefor, wherein said processor is connected to said second rotation sensor for receiving and using the third signal to calculate the orientation of the images relative to the direction of gravity.
6. The assembly of claim 1, further comprising:
an actuator for rotating said optical assembly, wherein said actuator is connected to said processor to receive a signal from said processor indicating the amount to rotate said optical assembly in order to level the images; and wherein said orientation unit includes a main housing, the second coupling section of said orientation unit includes a rotatable member that rotates relative to said main housing, and said optical assembly is coupled to said rotating member such that said optical assembly rotates with said rotating member relative to said main housing.
an actuator for rotating said optical assembly, wherein said actuator is connected to said processor to receive a signal from said processor indicating the amount to rotate said optical assembly in order to level the images; and wherein said orientation unit includes a main housing, the second coupling section of said orientation unit includes a rotatable member that rotates relative to said main housing, and said optical assembly is coupled to said rotating member such that said optical assembly rotates with said rotating member relative to said main housing.
7. The assembly of claim 1, wherein said optical element comprises a dove prism.
8. The assembly of claim 1, wherein said optical element comprises a K prism.
9. The assembly of claim 1, wherein said optical assembly further includes an image reverser.
10. The assembly of claim 1, wherein said image reverser comprises a prism.
11. The assembly of claim 1, further comprising a rotatable image sensor for receiving the images transmitted by said optical assembly, wherein said image sensor is connected to said processor and rotated thereby based on the first and second signals.
12. The assembly of claim 1, wherein said rotation sensor comprises a rotary encoder.
13. The assembly of claim 1, wherein said unit further includes a visual indicator that indicates the direction of vertical based on the signal provided by the accelerometer.
14. The assembly of claim 13, wherein said visual indicator comprises an array of diodes, wherein said diodes are individually illuminated to indicate the direction vertical.
15. The assembly of claim 1, wherein said accelerometer senses the inclination of said unit relative to the direction of gravity and communicates a signal therefor to said processor.
16. An assembly connecting a scope and an image sensor housing, comprising:
an image orientation unit having first and second ends;
a scope coupled to the first end of said image orientation unit;
an image sensor housing coupled to the second end of said image orientation unit;
an optical assembly at least partly arranged in said unit for transmitting images therethrough, said optical assembly having at least one rotatable optical element that rotates the optical images;
a rotation sensor for monitoring rotation of said optical element and generating a first signal therefor;
an accelerometer arranged in said image orientation unit for monitoring the rotation of said unit and generating a second signal therefor; and a processor connected to said rotation sensor and said accelerometer for receiving the first and second signals and, at least partly based on the first and second signals, calculating the orientation of the images relative to the direction of gravity.
an image orientation unit having first and second ends;
a scope coupled to the first end of said image orientation unit;
an image sensor housing coupled to the second end of said image orientation unit;
an optical assembly at least partly arranged in said unit for transmitting images therethrough, said optical assembly having at least one rotatable optical element that rotates the optical images;
a rotation sensor for monitoring rotation of said optical element and generating a first signal therefor;
an accelerometer arranged in said image orientation unit for monitoring the rotation of said unit and generating a second signal therefor; and a processor connected to said rotation sensor and said accelerometer for receiving the first and second signals and, at least partly based on the first and second signals, calculating the orientation of the images relative to the direction of gravity.
17. The assembly of claim 16, wherein the scope is an endoscope.
18. The assembly of claim 17, wherein the image sensor housing is a camera head.
19. The assembly of claim 16, wherein the scope has a longitudinal axis and a view vector angularly offset from the longitudinal axis.
20. The assembly of claim 16, wherein the scope has a view vector with a variable direction of view.
21. The assembly of claim 16, wherein the scope is rigidly connected to said orientation unit.
22. The assembly of claim 16, wherein the camera head is rigidly connected to said orientation unit.
23. The assembly of claim 16, further comprising an actuator for rotating said optical element, wherein said actuator is connected to said processor to receive a signal from said processor indicating the amount to rotate said optical element in order to level said images.
24. The assembly of claim 23, wherein said actuator comprises a motor, further comprising:
an optical element housing in which said optical element is at least partly disposed;
a first gear coupled to said motor and rotated thereby;
a second gear driven by said first gear and coupled to said optical element housing such that said optical element is rotated by rotation of said second gear.
an optical element housing in which said optical element is at least partly disposed;
a first gear coupled to said motor and rotated thereby;
a second gear driven by said first gear and coupled to said optical element housing such that said optical element is rotated by rotation of said second gear.
25. The assembly of claim 23, further comprising:
an optical element housing in which said optical element is at least partly disposed;
wherein said orientation unit includes a main housing, the second coupling section of said orientation unit includes a rotatable member that rotates relative to said main housing, and said optical element housing is coupled to said rotating member such that said optical element rotates with said rotating member relative to said main housing;
wherein said actuator comprises a motor; and a differential gear set driven by said motor and coupled to said optical element housing such that said optical element is rotated thereby.
an optical element housing in which said optical element is at least partly disposed;
wherein said orientation unit includes a main housing, the second coupling section of said orientation unit includes a rotatable member that rotates relative to said main housing, and said optical element housing is coupled to said rotating member such that said optical element rotates with said rotating member relative to said main housing;
wherein said actuator comprises a motor; and a differential gear set driven by said motor and coupled to said optical element housing such that said optical element is rotated thereby.
26. The assembly of claim 16, wherein said optical assembly includes a second rotatable optical element, further comprising a second rotation sensor for monitoring rotation of said second optical element and generating a third signal therefor, wherein said processor is connected to said second rotation sensor for receiving and using the third signal to calculate the orientation of the images relative to the direction of gravity.
27. The assembly of claim 16, further comprising:
an actuator for rotating said optical assembly, wherein said actuator is connected to said processor to receive a signal from said processor indicating the amount to rotate said optical assembly in order to level the images; and wherein said orientation unit includes a main housing, the second coupling section of said orientation unit includes a rotatable member that rotates relative to said main housing, and said optical assembly is coupled to said rotating member such that said optical assembly rotates with said rotating member relative to said main housing.
an actuator for rotating said optical assembly, wherein said actuator is connected to said processor to receive a signal from said processor indicating the amount to rotate said optical assembly in order to level the images; and wherein said orientation unit includes a main housing, the second coupling section of said orientation unit includes a rotatable member that rotates relative to said main housing, and said optical assembly is coupled to said rotating member such that said optical assembly rotates with said rotating member relative to said main housing.
28. The assembly of claim 16, further comprising a rotatable image sensor for receiving the images transmitted by said optical assembly, wherein said image sensor is connected to said processor and rotated thereby based on the first and second signals.
29. The assembly of claim 16, wherein said unit further includes a visual indicator that indicates the direction of vertical based on the signal provided by the accelerometer.
30. The assembly of claim 29, wherein said visual indicator comprises an array of diodes, wherein said diodes are individually illuminated to indicate the direction vertical.
31. The assembly of claim 16, wherein said accelerometer senses the inclination of said unit relative to the direction of gravity and communicates a signal therefor to said processor.
32. An endoscopic system, comprising:
a camera, said camera comprising a main section and a coupling assembly section;
an optical assembly arranged in said camera for transmitting images therethrough, said optical assembly having at least one optical element;
a rotation sensor arranged in said camera for monitoring rotation of said optical element and generating a first signal therefor;
an accelerometer arranged in said coupling assembly section for monitoring the rotation of said coupling assembly section and generating a second signal therefor; and a processor connected to said rotation sensor and said accelerometer for receiving the first and second signals and, at least partly based on the first and second signals, calculating the orientation of the images relative to the direction of gravity.
a camera, said camera comprising a main section and a coupling assembly section;
an optical assembly arranged in said camera for transmitting images therethrough, said optical assembly having at least one optical element;
a rotation sensor arranged in said camera for monitoring rotation of said optical element and generating a first signal therefor;
an accelerometer arranged in said coupling assembly section for monitoring the rotation of said coupling assembly section and generating a second signal therefor; and a processor connected to said rotation sensor and said accelerometer for receiving the first and second signals and, at least partly based on the first and second signals, calculating the orientation of the images relative to the direction of gravity.
33. The system of claim 32, further comprising an endoscope coupled to the coupling assembly section of said camera.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US65392705P | 2005-02-17 | 2005-02-17 | |
| US60/653,927 | 2005-02-17 | ||
| US11/355,345 US7956887B2 (en) | 2005-02-17 | 2006-02-16 | Image orienting coupling assembly |
| US11/355,345 | 2006-02-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2536895A1 true CA2536895A1 (en) | 2006-08-17 |
| CA2536895C CA2536895C (en) | 2010-06-08 |
Family
ID=36889420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2536895A Active CA2536895C (en) | 2005-02-17 | 2006-02-17 | Image orienting coupling assembly |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US7956887B2 (en) |
| EP (1) | EP1692996B1 (en) |
| JP (1) | JP2006223873A (en) |
| CA (1) | CA2536895C (en) |
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2006
- 2006-02-16 US US11/355,345 patent/US7956887B2/en active Active
- 2006-02-17 JP JP2006041378A patent/JP2006223873A/en active Pending
- 2006-02-17 EP EP06003323.0A patent/EP1692996B1/en active Active
- 2006-02-17 CA CA2536895A patent/CA2536895C/en active Active
-
2011
- 2011-03-31 US US13/076,561 patent/US8817086B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20110175991A1 (en) | 2011-07-21 |
| EP1692996A3 (en) | 2010-06-30 |
| US7956887B2 (en) | 2011-06-07 |
| US20060206003A1 (en) | 2006-09-14 |
| JP2006223873A (en) | 2006-08-31 |
| US8817086B2 (en) | 2014-08-26 |
| EP1692996A2 (en) | 2006-08-23 |
| CA2536895C (en) | 2010-06-08 |
| EP1692996B1 (en) | 2017-02-08 |
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