Endoscope cover attaching apparatus

• US 5,679,110 A
• Filed: 02/28/1995
• Issued: 10/21/1997
• Est. Priority Date: 05/26/1994
• Status: Expired due to Term

• Current Assignee: Olympus Optical Corporation Limited (Olympus Corporation)
• Original Assignee: Olympus Optical Corporation Limited (Olympus Corporation)
• Inventors: Hamazaki, Masanori
• Primary Examiner(s): Apley, Richard J.
• Assistant Examiner(s): FLANAGAN, BEVERLY MEINDL
• Application Number:
  US08/395,304
• Time in Patent Office: 966 Days
• Field of Search: 600/121, 600/122, 600/123, 600/124, 600/102, 312/209, 248/121, 248/122, 269/329, 269/902, 269/909, 604/163, 604/171, 604/192
• US Class Current: 600/124
• CPC Class Codes: A61B 46/10 specially adapted for instruments, e.g. microscopes

Abstract

There is disclosed an endoscope cover attaching apparatus including: a cover holding stage for holding an endoscope cover in the form of a straight line, the endoscope cover including an insertion part cover for covering the insertion part of an endoscope, and an insertion part inlet aperture located at an end of said insertion part cover near a hand operation position, wherein a tube is disposed in said endoscope cover; an operation part holding stage for holding the operation part of the endoscope, the endoscope including the insertion part in which an observation optical system is disposed, and the operation part which also serves as a grip of the endoscope; and rotation means for adjusting the rotational position of the operation part of the endoscope relative to the rotational position of the insertion part inlet aperture of the endoscope cover, wherein the rotation means is disposed at least either on the operation part holding stage or on the cover holding stage.

Claims

1. A combination of an endoscope, an endoscope cover and an endoscope cover attaching apparatus, comprising:

a cover holding stage for holding an endoscope cover in a straight line, said endoscope cover including an insertion part cover for covering an insertion part of said endoscope, and an insertion part inlet aperture located at an end of said insertion part cover near a hand operation position, wherein a tube is disposed in said endoscope cover;

an operation part holding stage for holding an operation part of said endoscope, said endoscope including said insertion part in which an observation optical system is disposed, and said operation part which also serves as a grip of said endoscope;

rotation means for adjusting a rotational position of said operation part of said endoscope relative to a rotational position of said insertion part inlet aperture of said endoscope cover, wherein said rotation means is disposed on at least one of said operation part holding stage and said cover holding stage; and

wherein said cover holding stage is slanted at an angle greater than 90°

relative to a vertical direction, in such a manner that said insertion part does not come to a position higher than said operation part.

2. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 1, wherein said operation part of said endoscope to be covered is held in parallel to said operation part holding stage forming an operation part holder.

3. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 1 or 2, wherein said rotation means is adapted to rotate at least said operation part fixed to said operation part holding stage, in such a manner that rotation of said operation part occurs in a plane substantially perpendicular to an longitudinal axis of said insertion part of said endoscope to be covered.

4. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 3, wherein said endoscope cover and said endoscope are moved in a direction to face each other, thereby attaching said endoscope cover to said endoscope.

5. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 1, wherein said rotation means is adapted to rotate said endoscope cover fixed to said cover holding stage, in such a manner that rotation of said endoscope cover occurs in a plane substantially perpendicular to said longitudinal axis of said insertion part of said endoscope to be covered.

6. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 5, wherein said endoscope to be covered is attached to said endoscope cover which is kept on said cover holding stage.

7. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 5, wherein said endoscope cover is fixed to said cover holding stage.

8. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 1, wherein said cover holding stage has a semi-circular shaped cross section.

9. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 1, wherein said cover holding stage has a V-shaped cross section.

10. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 1, wherein said cover holding stage has a U-shaped cross section.

11. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 1, wherein said cover holding stage and said operation part holding stage are adapted to be covered with a disinfected sheet.

12. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 1, wherein a space is provided between said cover holding stage and said operation part holding stage.

13. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 1, wherein a connector holder means for holding a connector of said endoscope to be covered is disposed at a side of said cover holding stage.

14. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 13, wherein an arm capable of being expanded and contracted freely is provided on said operation part holding stage.

15. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 1, further including fixing means for fixing an end portion of said endoscope cover to said endoscope cover holding stage.

16. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 15, wherein a plurality of said fixing means are provided so as to handle various types of said endoscope cover, each various type of said endoscope cover having different lengths.

17. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 1, wherein at a connecting portion between an inlet portion of said endoscope cover and said operation part of said endoscope to be covered, a stopper means, is provided, for stopping said inlet portion and a moving space in which said inlet portion moves from said stopper means toward said operation part.

18. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 1, wherein an inflation tube is disposed in said insertion part of said endoscope to be covered wherein said inflation tube is connected to a nozzle formed at a hard end portion of said insertion part.

41. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 1 or 19, wherein a part of said cover holding stage on which an end portion of said endoscope cover is to be placed has a width greater than a width of said endoscope cover.

42. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 1 or 19, wherein an attachment operation can be performed to keep said endoscope cover covered with an over-tube.

19. A combination of an endoscope, a endoscope cover and an endoscope cover attaching apparatus, comprising:

an operation part holding stage having means for holding an operation part of said endoscope at a variable angle between a longitudinal axis of said operation part and a vertical direction, said endoscope including an insertion part in which an observation optical system is disposed, and said operation part which also serves as a grip of said endoscope; and

a cover holding stage having means for holding said endoscope cover at a variable angle between a longitudinal axis of said endoscope cover and said vertical direction, said endoscope cover including an insertion part cover means for covering an insertion part of said endoscope, and an insertion part inlet aperture located at an end of said insertion part cover means near a hand operation position, wherein a tube is disposed in said endoscope cover.

20. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 19, wherein a connector holder means for holding a connector of said endoscope to be covered is disposed at a side of said operation part holding stage.

21. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 19, wherein said endoscope to be covered is attached to said endoscope cover so that a connector of said endoscope is connected to a light source.

22. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 19, wherein said operation part holding stage for holding said endoscope is formed as an integral part of a cart on which an endoscope system, including a light source and a video processor, is placed.

23. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 19, wherein said cover holding stage is rotated from a position at a 90°

angle relative to said vertical direction thereby attaching said endoscope cover to said endoscope, wherein a height of said operation part of said endoscope to be covered is kept unchanged, and said height of said insertion part is kept lower than said height of said operation part.

24. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 19 or 23, wherein said cover holding stage can be in a vertical position in which an end portion of said insertion part of said endoscope cover faces down.

25. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 19, wherein said operation part holding stage and said cover holding stage are moved by means for rotating thereby attaching said endoscope cover to said endoscope to be covered.

26. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 19, wherein said operation part of said endoscope held by said operation part holding stage is moved downward and also moved by means for rotating thereby attaching said endoscope cover to said endoscope to be covered.

27. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 25 or 26, wherein said operation holding stage for holding said operation part is rotated by said rotating means which includes a rack and pinion.

28. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 25 or 26, wherein said operation holding stage for holding said operation part is fixed in a free fit fashion so that said operation holding stage can rotate freely.

29. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 25 or 26, wherein a fixing tool of said operation holding stage for fixing said operation part has a width greater than a width of said operation part.

30. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 19, wherein said operation part of said endoscope held by said operation part holding stage is moved by means for rotating, and said cover holding stage is moved by means for rotating from an initial state to a vertical position thereby attaching said endoscope cover to said endoscope to be covered.

31. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 30, wherein said cover holding stage is in a substantially horizontal position in said initial state.

32. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 30, wherein said operation part is moved up and down.

33. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 30, wherein said operation part holding stage for holding said operation part is moved up and down by a hydraulic cylinder.

34. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 19 or 30, wherein said operation part holding stage is provided with a hanger for holding said operation part of said endoscope, and a hanger for holding an inlet portion of said endoscope cover.

35. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 34, wherein when said operation part of said endoscope is held by said hanger for holding said operation part of said endoscope, a universal cord extends from a side face of said operation part toward a control panel of an endoscope system placed on a cart.

36. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 34, wherein a height of said hanger for holding said operation part of said endoscope and a height of said hanger for holding said inlet portion of said endoscope cover are set to such values that a distance from a floor to an end face of said insertion part of said endoscope hung on a first hanger from a group made up of said hanger for holding said operation part of said endoscope and said hanger for holding said inlet portion of said endoscope cover is equal to a distance from a floor to an end face of said insertion part of said endoscope hung on a second hanger from said group made up of said hanger for holding said operation part of said endoscope and said hanger for holding said inlet portion of said endoscope cover.

37. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 25 or 30, wherein said operation part holding stage is provided with a stopper means for controlling a direction of rotation.

38. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 19, wherein said cover holding stage also serves as a package of said endoscope cover.

39. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 19, wherein a measure for indicating an attachment state of said endoscope to said endoscope cover is provided on said cover holding stage.

40. The combination of said endoscope, said endoscope cover and said endoscope cover attaching apparatus, according to claim 19, wherein a variable guide is provided on said cover holding stage, said variable guide being adaptive to a change in a diameter of said endoscope cover.