Control apparatus for use with different types of endoscopes

• US 4,860,094 A
• Filed: 03/09/1988
• Issued: 08/22/1989
• Est. Priority Date: 03/10/1987
• Status: Expired due to Term

• Current Assignee: Olympus Optical Corporation Limited (Olympus Corporation)
• Original Assignee: Olympus Optical Corporation Limited (Olympus Corporation)
• Inventors: Kumura, Kenji, Hibino, Hiroki, Nishikori, Toshiaki
• Primary Examiner(s): Groody, James J.
• Assistant Examiner(s): Kostak, Victor R.
• Application Number:
  US07/168,085
• Time in Patent Office: 531 Days
• Field of Search: 358/98, 358/93, 128/4-6
• US Class Current: 600/109
• CPC Class Codes: A61B 1/00059 provided with identification means for the endoscope
• CPC Class Codes: A61B 1/00105 characterised by modular construction
• CPC Class Codes: A61B 1/05 characterised by the image sensor, e.g. camera, being in the distal end portion
• CPC Class Codes: A61B 1/0638 providing two or more wavelengths
• CPC Class Codes: A61B 1/0646 with illumination filters
• CPC Class Codes: A61B 1/0655 Control therefor
• CPC Class Codes: A61B 1/0669 at proximal end of an endoscope
• CPC Class Codes: H04N 23/55 Optical parts specially adapted for electronic image sensors; Mounting thereof
• CPC Class Codes: H04N 23/555 for picking-up images in sites, inaccessible due to their dimensions or hazardous conditions, e.g. endoscopes or borescopes
• CPC Class Codes: H04N 23/56 provided with illuminating means

Abstract

This endoscope apparatus is provided with a plurality of kinds of endoscopes each having an elongate insertable part having an illuminating window and observing window in the tip part. An illuminating light transmitting system leads an illuminating light to the illuminating window. An imaging apparatus receives the returning light from an object entering from the observing window and imaging the object. A signal transmitting system is connected at one end to the imaging apparatus. An illumination connector is provided at the entrance side end of the illuminating light transmitting system and is different in at least one of the illuminating method and signal processing system. The endoscope apparatus is further provided with an illuminating apparatus having an illumination connector receptacle removably connectable with respective illumination connectors of the plurality of endoscopes and feeding illuminating light to the plurality of endoscopes. A signal processing apparatus has a signal connector receptacle removably connectable with respective signal connectors of the plurality of endoscopes and processing signals for the plurality of endoscopes. At least one of the illumination connector receptacle and signal connector receptacle is plural.

Claims

1. An endoscope apparatus comprising:

a plurality of kinds of endoscopes each having

an elongate insertable part having an illuminating window and observing window in a tip part,

an illuminating light transmitting means for leading illuminating light to said illuminating window,

an imaging means for receiving returning light from an object, said returning light entering from said observing window and imaging the object,

a signal transmitting means connected at one end to said imaging means,

an illumination connector provided at an entrance side end of said illuminating light transmitting means, and

a signal connector provided at another end of said signal transmitting means, each endoscope being different in at least one of illuminating method and signal processing system;

an illuminating means, having an illumination connector receptacle removably connectable with respective illumination connectors of said plurality of endoscopes, for feeding illuminating light to said plurality of endoscopes; and

a signal processing means, having a signal connector receptacle removably connectable with respective signal connectors of said plurality of endoscopes, for processing signals for said plurality of endoscopes;

at least one of said illumination connector receptacle and said signal connector receptacle being plural.

2. An endoscope apparatus according to claim 1 wherein said plurality of kinds of endoscopes are endoscopes different from each other in the illuminating method and signal processing system and include a first kind of endoscope provided with a field sequential color imaging means imaging respective images color separated in time series and a second kind of endoscope provided with a synchronous color imaging means having a color-separating means color-separating the image into images of a plurality of wavelength regions.

3. An endoscope apparatus according to claim 2 further comprising a color monitor inputting a video signal from said signal processing means and color-displaying said image.

4. An endoscope apparatus according to claim 2 further comprising a third kind of endoscope comprising an elongate insertable part having an illuminating window and observing window in a tip part, an eyepiece part provided on a rear end side of said insertable part, an illuminating light transmitting means for leading an illuminating light to said illuminating window, an image forming optical system receiving returning light from the object, said returning light entering from the observing window and forming an image, an image transmitting means for transmitting the image formed by said image forming optical system to said eyepiece part and an illumination connector provided at an entrance side end of said illuminating light transmitting means and removably connected to an illumination connector receptacle of said illuminating means.

5. An endoscope apparatus according to claim 4 wherein said first kind of endoscope includes an apparatus comprising said third kind of endoscope and a television camera connected to the eyepiece part of said third kind of endoscope and having an imaging means color-imaging the image as a field sequential image.

6. An endoscope apparatus according to claim 4 wherein said second kind of endoscope includes an apparatus comprising said third kind of endoscope and a television camera connected to the eyepiece of said third kind of endoscope and having an imaging means color-imaging the image as a synchronous image.

7. An endoscope apparatus according to claim 2 wherein both of said illumination connector receptacle and said signal connector receptacle are plural in response to the kind of endoscope.

8. An endoscope apparatus according to claim 2 wherein only said signal connector receptacle is plural in response to the kind of endoscope and said illumination connector receptacle is a single receptacle.

9. An endoscope apparatus according to claim 2 wherein only said illumination connector receptacle is plural in response to the kind of endoscope and said signal connector receptacle is a single receptacle.

10. An endoscope apparatus according to claim 2 wherein said illuminating means and said signal processing means are made integral.

11. An endoscope apparatus according to claim 2 wherein said illuminating means and said signal processing means are made separate.

12. An endoscope apparatus according to claim 11 wherein said signal processing means comprises a first signal processing apparatus processing signals for said first kind of endoscope and a second kind of signal processing apparatus processing signals for said second endoscope.

13. An endoscope apparatus according to claim 11 wherein said illuminating means comprises a first light source apparatus feeding an illuminating light to said first kind of endoscope and a second light source apparatus feeding an illuminating light to said second kind of endoscope and said first and second light source apparatuses are made separate from each other.

14. An endoscope apparatus according to claim 2 wherein at least one of said first kind of endoscope and second kind of endoscope has a discriminating information generating means for generating information distinguishing an image system and said signal processing means has a discriminating means inputting information from said discriminating information generating means and distinguishing the imaging system of a connected endoscope.

15. An endoscope apparatus according to claim 14 further comprising a warning means for warning when a different kind of endoscope is connected to an illumination connector receptacle and signal connector receptacle based upon output of said discriminating means.

16. An endoscope according to claim 14 wherein said illuminating means has an illumination connector receptacle commonly used by the first kind of endoscope and second kind of endoscope and a light source apparatus which can switch and output a field sequential light and white light to said illumination connector receptacle.

17. An endoscope apparatus according to claim 16 wherein said light source apparatus is to switch a field sequential light and white light based upon output of said discriminating means.

18. An endoscope apparatus according to claim 14 wherein said signal processing means has a signal connector receptacle commonly used by said first kind of endoscope and second kind of endoscope, a field sequential signal processing means, a synchronous signal processing means and a switching means selectively connecting one of said field sequential signal processing means and synchronous signal processing means with said signal connector receptacle.

19. An endoscope apparatus according to claim 18 wherein said switching means selects one of the signal processing means for the imaging system of a connected endoscope based upon output of said discriminating means.

20. An endoscope apparatus according to claim 1 wherein said plurality of kinds of endoscopes are endoscopes different from each other in the illuminating method and include a fourth kind of endoscope for observing an object image in a visible band and a fifth kind of endoscope for observing an object image in a specific wavelength region.

21. An endoscope apparatus according to claim 20 wherein said fourth kind of endoscope and fifth kind of endoscope are provided respectively with field sequential imaging means and said illuminating means is provided with an illumination connector receptacle for the fourth kind of endoscope, a light source apparatus outputting to the illumination connector receptacle a field sequential light by a combination of three different wavelength regions in the visible band, an illumination connector receptacle for the fifth kind of endoscope and a light source apparatus outputting to the illumination connector receptacle a field sequential light by a combination of specific wavelength regions.

22. An endoscope apparatus according to claim 20 wherein said fourth kind of endoscope and fifth kind of endoscope are provided respectively with a field sequential imaging means and said illuminating means is provided with an illumination connector receptacle commonly used by the fourth kind of endoscope and fifth kind of endoscope and a light source apparatus which can switch and output to the illumination connector receptacle a field sequential light by a combination of three different wavelength regions in the visible band and a field sequential light by a combination of specific wavelength regions.

23. An endoscope apparatus according to claim 22 wherein said light source apparatus is provided with a lamp, a rotary filter alternately insertable into an illuminating light path between said lamp and said illumination connector receptacle and separating in time series light of said lamp into three different wavelength regions in the visible band and a rotary filter separating in time series light of said lamp into a plurality of specific wavelength regions.

24. An endoscope apparatus according to claim 20 wherein said fourth kind of endoscope is provided with a field sequential imaging means, said fifth kind of endoscope is provided with a synchronous imaging means and said illuminating means is provided with an illumination connector receptacle commonly used by the fourth kind of endoscope and fifth kind of endoscope and a light source apparatus which can switch and output to said illumination connector receptacle a field sequential light by a combination of three different wavelength regions in the visible band and a light including a specific wavelength region color-separated by said fifth kind of endoscope.

25. An endoscope apparatus according to claim 24 wherein said light source apparatus is provided with a lamp, a rotary filter alternatively insertable into an illuminating light path between said lamp and said illumination connector receptacle and separating in time series light of said lamp into three different wavelength regions in the visible band and a filter limited to a light including a specific wavelength region color-separated by said fifth kind endoscope.

26. An endoscope apparatus comprising:

a plurality of kinds of endoscopes each having,

an elongated insertable part having an illuminating window and an observing window in a tip part,

an illuminating light transmitting means for leading an illuminating light to said illuminating window,

an imaging means for receiving returning light from an object, said returning light entering from said observing window and imaging the object,

a signal transmitting means connected at one end to said imaging means,

an illumination connector provided at an entrance side of said illuminating light transmitting means, and

a signal connector provided at another end of said signal transmitting means, each endoscope being different in at least one of illuminating method and signal processing system;

an illuminating means, having an illumination connector receptacle removably connectable with respective illumination connectors of said plurality of endoscopes, for feeding illuminating light to said plurality of endoscopes; and

a signal processing means, having a signal connector receptacle connectable with respective signal connectors of said plurality of endoscopes, for processing signals for said plurality of endoscopes;

at least one of said illumination connector receptacle and said signal connector receptacle being plural;

said illumination connector and said signal connector of one endoscope being made integral; and

said illumination connector receptacle and said signal connector receptacle being provided adjacent to each other so as to be connectable to respective connectors of said endoscope.

27. An endoscope apparatus according to claim 26, wherein said illuminating means and said signal processing means are provided with one illumination connector receptacle connectable to said plurality of kinds of endoscopes, and different kinds of signal connector receptacles are provided at both ends of the illumination connector receptacle.

28. An endoscope apparatus according to claim 26, wherein said illuminating means and said signal processing means are provided with one signal connector receptacle connectable to said plurality of kinds of endoscopes and different kinds of illumination connector receptacles are provided at both ends of the signal connector receptacle.

29. An endoscope apparatus according to claim 26, wherein said illuminating means and said signal processing means are divided into separate units, said illumination connector receptacle and said signal connector receptacle being provided adjacent to each other so as to be connectable to said illumination connector and said signal connector of said endoscope which are made integral, when the separate units are placed side by side.

30. An endoscope apparatus comprising:

a plurality of kinds of endoscopes each having,

an elongated insertable part having an illuminating window and an observing window in a tip part,

an illuminating light transmitting means for leading an illuminating light to said illuminating window,

an imaging means for receiving returning light from an object, said returning light entering from said observing window and imaging the object,

a signal transmitting means connected at one end to said imaging means,

an illumination connector provided at an entrance side of said illuminating light transmitting means, and

a signal connector provided at another end of said signal transmitting means, each endoscope being different in at least one of illuminating method and signal processing system;

an illumination means, having an illumination connector receptacle removably connectable with respective illumination connectors of said plurality of endoscopes, and a signal connector receptacle removably connectable with respective signal connectors, for feeding illuminating light to said plurality of endoscopes; and

a signal processing means for processing signals for said plurality of endoscopes;

said illumination means being provided with an electrical connecting means for connecting said illuminating means with said signal processing means, for feeding signals from said signal connector receptacle to said signal processing means located in a separate unit;

at least one of said illumination connector receptacle and said signal connector receptacle being plural.

31. An endoscope apparatus according to claim 30, wherein said illumination connector and said signal connector of one endoscope are made integral;

and

said illumination connector receptacle and said signal connector receptacle of one endoscope being provided adjacent to each other so as to be connectable to respective connectors of said endoscope.

32. An endoscope apparatus according to claim 30 wherein said plurality of kinds of endoscopes include a first kind of endoscope provided with a field sequential color imaging means for imaging respective images color-separating in time series, a second kind of endoscope provided with a synchronous color imaging means having a color separating means for color-separating an image into images of a plurality of wavelength regions and a fifth kind of endoscope for observing an image of a specific wavelength region.

33. An endoscope apparatus according to claim 32 wherein only said signal connector receptacle is plural in response to an imaging system of the imaging means and said illumination connector receptacle is a single receptacle.

34. An endoscope apparatus according to claim 33 wherein only said signal connector receptacles is plural in response to the imaging system of the imaging means, said illumination connector receptacle is single and said fifth kind of endoscope has a plurality of signal connectors to be connected to a plurality of signal connector receptacles provided in response to the imaging system.