Endoscope system

• US 6,059,719 A
• Filed: 08/03/1998
• Issued: 05/09/2000
• Est. Priority Date: 08/06/1997
• Status: Expired due to Term

• Current Assignee: Olympus Optical Corporation Limited (Olympus Corporation)
• Original Assignee: Olympus Optical Corporation Limited (Olympus Corporation)
• Inventors: Yamamoto, Tetsuya, Ishikawa, Masahiro, Kanbara, Koji, Moriyama, Hiroki, Kura, Yasuhito, Suzuki, Takayuki, Suzuki, Akira, Kawashima, Koichi, Shimonaka, Hideki
• Primary Examiner(s): Dvorak, Linda C. M.
• Assistant Examiner(s): Blaise, Brad C.
• Application Number:
  US09/128,320
• Time in Patent Office: 645 Days
• Field of Search: 600/104, 600/106, 600/127, 600/129, 600/133, 606/1, 606/113, 606/170, 606/205
• US Class Current: 600/127
• CPC Class Codes: A61B 1/00059 provided with identification means for the endoscope
• CPC Class Codes: A61B 1/00082 Balloons
• CPC Class Codes: A61B 1/00087 Tools A61B17/00234 takes precedence
• CPC Class Codes: A61B 1/00101 the distal tip features being detachable
• CPC Class Codes: A61B 1/00105 characterised by modular construction
• CPC Class Codes: A61B 1/018 for receiving instruments
• CPC Class Codes: A61B 1/042 characterised by a proximal camera, e.g. a CCD camera
• CPC Class Codes: A61B 17/00234 for minimally invasive surgery A61B17/0218, A61B17/0469, A61B17/12013, A61B17/1285, A61B17/29, A61B17/320016 take precedence
• CPC Class Codes: A61B 17/12013 for use in minimally invasive surgery, e.g. endoscopic surgery
• CPC Class Codes: A61B 17/221 Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions surgical snare instruments A61B17/32056
• CPC Class Codes: A61B 17/32056 Surgical snare instruments for removing or smashing calculi A61B2017/2212; tonsillotomes A61B17/26
• CPC Class Codes: A61B 2017/00296 mounted on an endoscope
• CPC Class Codes: A61B 2017/00362 Packages or dispensers for MIS instruments A61B2017/0479 takes precedence
• CPC Class Codes: A61B 2017/00464 for use with different instruments with hole for different instruments A61B2017/22072
• CPC Class Codes: A61B 2017/00469 for insertion of instruments, e.g. guide wire, optical fibre
• CPC Class Codes: A61B 2017/00473 Distal part, e.g. tip or head A61B2017/00464 takes precedence
• CPC Class Codes: A61B 2017/12018 Elastic band ligators
• CPC Class Codes: A61B 2017/2212 having a closed distal end, e.g. a loop
• CPC Class Codes: A61B 2017/2215 having an open distal end
• CPC Class Codes: A61B 2017/301 with three legs
• CPC Class Codes: A61B 2017/320012 : Brushes

Abstract

An endoscope system in accordance with the present invention comprises a plurality of endoscope modules having different treatment instruments mounted therein, an endoscope to which the endoscope modules can be attached, and a coupling member fixed to the distal part of an insertion unit of the endoscope and used to make the plurality of endoscope modules freely exchangeable. The plurality of endoscope modules having the different treatment instruments mounted therein are freely exchangeable to be coupled to the distal part of the insertion unit of the endoscope.

Claims

1. An endoscope system comprising:

a plurality of endoscope modules having different treating elements mounted therein; and

an endoscope to which said endoscope modules can be attached, said endoscope including

an insertion unit having a distal part,

a coupling mechanism located at said distal part of said insertion unit, said coupling mechanism being exchangeably attachable to each of said plurality of endoscope modules, wherein said plurality of endoscope modules having said different treating elements are interchangeably attachable to said distal part of said insertion unit via said coupling mechanism, and

an operation unit for handling a treating element mounted in an endoscope module attached to said distal part, said operation unit having a locking mechanism for locking a position of a treating element mounted in an endoscope module attached to said distal part.

2. An endoscope system comprising:

a plurality of endoscope modules having different treating elements mounted therein;

an endoscope to which said endoscope modules can be attached, said endoscope including

an insertion unit having a distal part,

a coupling mechanism located at said distal part of said insertion unit, said coupling mechanism being exchangeably attachable to each of said plurality of endoscope modules, wherein said plurality of endoscope modules having said different treating elements are interchangeably attachable to said distal part of said insertion unit via said coupling mechanism,

an operation unit for handling a treating element mounted in an endoscope module attached to said distal part,

an operation channel extending along the length of the endoscope, and a suction channel extending along the length of the endoscope; and

an operation force transmitter disposed in said operation channel for coupling said operation unit to a treating element mounted in an endoscope module to be attached to said distal part.

3. An endoscope system comprising:

a plurality of endoscope modules having different treating elements mounted therein;

an endoscope to which said endoscope modules can be attached, said endoscope including

an insertion unit having a distal part,

a coupling mechanism located at said distal part of said insertion unit, said coupling mechanism being exchangeably attachable to each of said plurality of endoscope modules, wherein said plurality of endoscope modules having said different treating elements are interchangeably attachable to said distal part of said insertion unit via said coupling mechanism,

an operation unit for handling a treating element mounted in an endoscope module attached to said distal part, and

a channel extending along the length of the endoscope; and

an operation force transmitter disposed in said channel for coupling said operation unit to a treating element mounted in an endoscope module to be attached to said distal part,

wherein said channel in which said operation force transmitter is disposed also serves as a suction channel in said endoscope.

4. An endoscope system comprising:

a plurality of endoscope modules having different treating elements mounted therein;

an endoscope to which said endoscope modules can be attached, said endoscope including

an insertion unit having a distal part,

a coupling mechanism located at said distal part of said insertion unit, said coupling mechanism being exchangeably attachable to each of said plurality of endoscope modules, wherein said plurality of endoscope modules having said different treating elements are interchangeably attachable to said distal part of said insertion unit via said coupling mechanism, and

an operation unit for handling a treating element mounted in an endoscope module attached to said distal part; and

an operation force transmission wire for coupling said operation unit to a treating element mounted in an endoscope module to be attached to said distal part, said transmission wire including a connecting member located in said operation unit of said endoscope for connecting said transmission wire to a treating element mounted in an endoscope module to be attached to said distal part.

5. An endoscope system comprising:

a plurality of endoscope modules having different treating elements mounted therein;

an endoscope to which said endoscope modules can be attached, said endoscope including

an insertion unit having a distal part,

a coupling mechanism located at said distal part of said insertion unit, said coupling mechanism being exchangeably attachable to each of said plurality of endoscope modules, wherein said plurality of endoscope modules having said different treating elements are interchangeably attachable to said distal part of said insertion unit via said coupling mechanism, and

an operation unit for handling a treating element mounted in an endoscope module attached to said distal part; and

an operation force transmitter for coupling said operation unit to a treating element mounted in an endoscope module to be attached to said distal part, wherein said operation force transmitter is capable of transmitting a torque.

6. An endoscope system comprising:

a plurality of endoscope modules having different treating elements mounted therein;

an endoscope to which said endoscope modules can be attached, said endoscope including

an insertion unit having a distal part,

a coupling mechanism located at said distal part of said insertion unit, said coupling mechanism being exchangeably attachable to each of said plurality of endoscope modules, wherein said plurality of endoscope modules having said different treating elements are interchangeably attachable to said distal part of said insertion unit via said coupling mechanism,

an operation unit for handling a treating element mounted in an endoscope module attached to said distal part, and

an operation channel extending along the length of the endoscope; and

an operation force transmitter for coupling said operation unit to a treating element mounted in an endoscope module to be attached to said distal part, wherein said operation force transmitter includes

a transmission wire,

a piston fixed along the length of said transmission wire so as to be in close contact with the inner circumference of said operation channel,

a liquid to be poured into a space defined by said piston and said operation channel, and

a liquid compression means for compressing the liquid.

7. An endoscope system comprising:

a plurality of endoscope modules having different treating elements mounted therein, each endoscope module including a first coupling mechanism formed thereon; and

an endoscope to which said endoscope modules can be attached, said endoscope including

an insertion unit having a distal part, and

a second coupling mechanism located at said distal part of said insertion unit, said second coupling mechanism being exchangeably attachable to each of said plurality of endoscope modules, such that said first coupling mechanism in each endoscope module matingly corresponds to said second coupling mechanism, wherein said plurality of endoscope modules having said different treating elements are interchangeably attachable to said distal part of said insertion unit via said first and second coupling mechanisms, and

wherein at least one of said first and second coupling mechanisms is a magnet.

8. An endoscope system comprising:

a plurality of endoscope modules having different treating elements mounted therein, each endoscope module including a first coupling mechanism formed thereon; and

an endoscope to which said endoscope modules can be attached, said endoscope including

an insertion unit having a distal part; and

a second coupling mechanism located at said distal part of said insertion unit, said second coupling mechanism being exchangeably attachable to each of said plurality of endoscope modules such that said first coupling mechanism in each endoscoite module matingly corresponds to said second coupling mechanism, wherein said plurality of endoscope modules having said different treating elements are interchangeably attachable to said distal part of said insertion unit via said first and second coupling mechanism, and

wherein said first coupling mechanism includes an elastic member and said second coupling mechanism includes a hard member on said distal part of said endoscope.

9. An endoscope system comprising:

a plurality of endoscope modules having different treating elements mounted therein; and

an endoscope to which said endoscope modules can be attached, said endoscope including

an insertion unit having a distal part,

a coupling mechanism located at said distal part of said insertion unit, said coupling mechanism being exchangeably attachable to each of said plurality of endoscope modules, wherein said plurality of endoscope modules having said different treating elements are interchangeably attachable to said distal part of said insertion unit via said coupling mechanism, and

an operation unit which is capable of moving a treating element mounted in an endoscope module attached to said distal part to a position within a field of view permitted by said endoscope so that the treating element can be observed.

10. An endoscope system comprising:

a plurality of endoscope modules each including a body member and a treating element mounted in the respective body member, wherein each of the treating elements are mutually different from each other; and

an endoscope to which said endoscope modules can be attached, said endoscope including

an insertion unit having a distal part,

a coupling mechanism located at said distal part of said insertion unit said coupling mechanism being exchangeably attachable to each of said plurality of endoscope modules, wherein said plurality of endoscope modules having said different treating elements are interchangeably attachable to said distal part of said insertion unit via said coupling mechanism, and wherein said distal part of said endoscope is covered by said body member of a corresponding endoscope module when said corresponding endoscope module is attached to said distal part.

11. An endoscope system according to claim 10, wherein at least one of said endoscope modules further includes a cover made of a transparent material, and wherein said endoscope further includes an observation window and an illumination window in the distal surface thereof such that when said distal part of said insertion unit is covered with said body member, said cover is placed in front of said observation window and said illumination window.

12. An endoscope system according to claim 11, wherein said cover further includes a light interceptor positioned thereon such that when said cover is placed in front of said observation window and said illumination window, said light interceptor is placed around the perimeter of said illumination window.

13. An endoscope system according to claim 12, wherein said light interceptor has an annular shape.

14. An endoscope system according to claim 10, further comprising a locking member for restraining said body members from moving in the direction of the longitudinal axis of said endoscope.

15. An endoscope system according to claim 10, wherein said body members each include a locking member for holding and locking said endoscope in a body cavity when an endoscope module is attached to said endoscope.

16. An endoscope system according to claim 15, wherein said locking member is a balloon capable of being dilated to a diameter of a body cavity in which said endoscope is to be held.

17. An endoscope system comprising:

a plurality of endoscope modules having different treating elements mounted therein; and

an endoscope to which said endoscope modules can be attached, said endoscope including

an insertion unit having a distal part, and

a coupling mechanism located at said distal part of said insertion unit, said coupling mechanism being exchangeably attachable to each of said plurality of endoscope modules, wherein said plurality of endoscope modules having said different treating elements are interchangeably attachable to said distal part of said insertion unit via said coupling mechanism,

wherein said distal part of said insertion unit includes a convex part, and

wherein said convex part includes

an observation window,

an illumination window,

an aeration/perfusion nozzle, and

a treatment channel.

18. An endoscope system according to claim 17, wherein each of said endoscope modules includes an inner space portion into which said convex part is fitted.

19. An endoscope system according to claim 17, wherein at least one of said endoscope modules has an aeration/perfusion nozzle.

20. An endoscope system according to claim 17, wherein said endoscope further includes electrical insulation on a surface of said endoscope which contacts an endoscope module when attached thereto.

21. An endoscope system according to claim 17, wherein at least part of at least one of said endoscope modules is insulated.

22. An endoscope system according to claim 21, wherein the outer circumference of said at least one of said endoscope modules is the insulated part.

23. An endoscope system comprising:

a plurality of endoscope modules having different treating elements mounted therein, each endoscope module being provided with an identifier for identifying the treating element associated with said each endoscope module; and

an endoscope to which said endoscope modules can be attached, said endoscope including

an insertion unit having a distal part,

a coupling mechanism located at said distal part of said insertion unit, said coupling mechanism being exchangeably attachable to each of said plurality of endoscope modules, wherein said plurality of endoscope modules having said different treating elements are interchangeably attachable to said distal part of said insertion unit via said coupling mechanism.

24. An endoscope system according to claim 23, wherein each said identifier is located at a position on an outer circumference of the corresponding endoscope module at which said identifier can be easily viewed.

25. An endoscope system according to claim 23, wherein each said identifier is capable of being viewed when the corresponding endoscope module is attached to said endoscope.

26. An endoscope system according to claim 23, wherein each said identifier is a color indicator placed on at least part of the outer circumference of the corresponding endoscope module.

27. An endoscope system according to claim 23, wherein each said identifier is a plurality of characters or a symbol inscribed on the outer circumference of the corresponding endoscope module.

28. An endoscope system comprising:

a plurality of groups each comprised of an endoscope and a corresponding plurality of endoscope modules used in combination with the endoscope, wherein each of said groups are provided with a matching system for determining if a particular endoscope module and endoscope combination is possible,

wherein the endoscope modules of each plurality thereof have mutually different treating elements mounted therein, and

wherein each endoscope includes

an insertion unit having a distal part, and

a coupling mechanism located at said distal part of said insertion unit, said coupling mechanism being exchangeably attachable to each endoscope module in the corresponding plurality of endoscope modules, wherein said corresponding plurality of endoscope modules having said different treating elements are interchangeably attachable to said distal part of said insertion unit via said coupling mechanism.

29. An endoscope system according to claim 28, wherein said matching system includes corresponding sets of symbols or characters inscribed on the outer surfaces of the endoscope modules and endoscopes.

30. An endoscope system according to claim 28, wherein said matching system is defined by painting at least part of the outer surfaces of the endoscope modules and endoscopes in colors associated with their respective model names.

31. An endoscope system according to claim 28, wherein said matching system provides a different attachment interface diameter for each group of endoscope modules and endoscopes.

32. An endoscope system according to claim 28, wherein each of said endoscope modules and endoscopes has a connection portion at which each endoscope module is to be connected to a corresponding endoscope, and wherein said matching system is defined by different shapes of the connection portions, wherein each of said groups corresponds to a mutually different model of endoscope, and each shape corresponds to a respective one of the different models.

33. An endoscope system according to claim 28, wherein when an endoscope module is attempted to be incorrectly attached to a mismatched endoscope, said matching system physically prevents connection between the mismatched endoscope module and endoscope.

34. An endoscope system according to claim 28, wherein said matching system includes said coupling mechanism at the distal part of the insertion unit of each endoscope.

35. An endoscope system comprising:

a plurality of endoscope modules having different treating elements mounted therein; and

a plurality of endoscopes to which each endoscope module can be attached, wherein each of said endoscopes is of a mutually different type from the others and includes

an insertion unit having a distal part,

a locking member at the distal part of the insertion unit, and

a coupling mechanism located at said distal part of said insertion unit, said coupling mechanism being exchangeably attachable to each of said plurality of endoscope modules, wherein said plurality of endoscope modules having said different treating elements are interchangeably attachable to said distal part of said insertion unit via said coupling mechanism,

wherein each endoscope module includes a fitting member capable of being fitted on said locking member of each of said endoscopes.

36. An endoscope system according to claim 35, wherein each of said fitting members is fitted on each said locking member in the direction of the longitudinal axis of the insertion unit of the respective endoscope.

37. An endoscope system according to claim 36, wherein the portions of the distal part of each endoscope and of each endoscope module which contact each other upon being fitted together in the direction of the longitudinal axis of the insertion unit of the respective endoscope are located near said locking member and fitting member, respectively.

38. An endoscope system according to claim 37, wherein said portion of said each endoscope which contacts the endoscope module fitted therewith is the outer circumference of the distal part of the insertion unit of said each endoscope.

39. An endoscope system according to claim 37, wherein each endoscope further includes a suction channel extending through the length thereof, and said portion of said each endoscope which contacts the endoscope module fitted therewith is the inner circumference of the suction channel extending through said each endoscope.

40. An endoscope system according to claim 39, wherein each said fitting member is provided with a projection such that when any one of said endoscope modules is fitted to any one of said endoscopes, the projection of the respective fitting member of said endoscope module fitted to said endoscope abuts on said suction channel in said endoscope.

41. An endoscope system according to claim 40, wherein each said projection has a deformable portion capable of elastically deforming radially relative to the axis of the direction of attachment.

42. An endoscope system according to claim 36, wherein each said locking member is formed by a concave part of the outer circumference of the distal part of the respective endoscope.

43. An endoscope system according to claim 42, wherein said fitting member is formed by a deforming portion capable of elastically deforming radially relative to the axis of the direction of attachment.

44. An endoscope system according to claim 36, wherein each endoscope module includes a coupling member for coupling said each endoscope module to a driving means for driving said treating element included in the respective endoscope module, and further includes a fitting member located near said coupling member.

45. An endoscope system according to claim 44, wherein each said fitting member includes a deforming portion capable of elastically deforming radially relative to the axis of the direction of attachment.

46. An endoscope system comprising:

a plurality of endoscope modules having different treating elements mounted therein;

an endoscope to which said endoscope modules can be attached, said endoscope including

an insertion unit having a distal part, and

a coupling mechanism located at said distal part of said insertion unit, said coupling mechanism being exchangeably attachable to each of said plurality of endoscope modules, wherein said plurality of endoscope modules having said different treating elements are interchangeably attachable to said distal part of said insertion unit via said coupling mechanism; and

an attached state checking means to indicate whether a selected one of said endoscope modules is attached to said endoscope properly.

47. An endoscope system according to claim 46, wherein said attached state checking means is an indicator on at least one of said endoscope and said plurality of endoscope modules painted in a color different from a color of portions surrounding said indicator.

48. An endoscope system according to claim 47, wherein said attached state checking means indicates whether a positional relationship between an endoscope module and said endoscope in an attached state is proper, in which the positional relationship is in at least one direction of the direction of the axis of the insertion unit and the circumferential direction of the insertion unit.

49. An endoscope system according to claim 47, wherein said indicator is located on either said plurality of endoscope modules or said endoscope such that when a selected one of said endoscope modules and said endoscope are attached to each other properly, said indicator is covered.

50. An endoscope system according to claim 47, wherein said indicator is placed on each of said endoscope modules and said endoscope such that when one of said endoscope modules is indicated to be properly attached to said endoscope, said indicators placed on said attached endoscope module and said endoscope are juxtapose.

51. An endoscope system according to claim 47, wherein said indicator is placed on one of said endoscope modules and said plurality of modules endoscope, and the other of said endoscope modules and said endoscope modules an instructing member placed thereon, such that when the indicator and instructing member are opposed to each other, a selected one of said endoscope modules and said endoscope are indicated to be attached to each other properly.

52. An endoscope system comprising:

a plurality of endoscope modules, each endoscope module including a module body and a treatment instrument placement member having a treating element that can be mounted in the module body in a freely discountable fashion, wherein the treating elements provided with the endoscope modules are mutually different from each other; and

an endoscope to which said endoscope modules can be attached, said endoscope including

an insertion unit having a distal part,

a coupling mechanism located at said distal part of said insertion unit, said coupling mechanism being exchangeably attachable to each of said plurality of endoscope modules, wherein said plurality of endoscope modules having said different treating elements are interchangeably attachable to said distal part of said insertion unit via said coupling mechanism.

53. An endoscope system according to claim 52, wherein each said module body has a treatment member coupling hole bored therein, and the corresponding treatment instrument placement member can be removably inserted into said treatment member coupling hole bored in said module body.

54. An endoscope system according to claim 53, wherein at least one of said endoscope modules is provided with a plurality of treatment member coupling holes bored in the respective module body.

55. An endoscope system according to claim 54, wherein each said plurality of treatment member coupling holes in a respective one of said endoscope modules allows a plurality of treating elements to be mounted in the same direction in the respective module body so as to be within a field of view through said endoscope.

56. An endoscope system according to claim 54, wherein each said plurality of treatment member coupling holes in a respective one of said endoscope modules allows a plurality of treating elements to be mounted in different directions in the respective module body so as to be within a field of view through said endoscope.

57. An endoscope system according to claim 54, further comprising a plurality of treating elements which are adapted to be freely detachably mounted into said plurality of treatment member coupling holes of said respective module body, and wherein said plurality of treating elements have portions which are mutually different in structure.

58. An endoscope system according to claim 54, further comprising a plurality of treating elements which are adapted to be freely detachably mounted into said plurality of treatment member coupling holes of said respective module body, and wherein said plurality of treating elements have portions which are mutually common in structure.

59. An endoscope system according to claim 54, further comprising a plurality of treating elements which can be selectively mounted in each said module body in a freely discountable fashion.

60. An endoscope system according to claim 59, wherein each of said plurality of treating elements includes an identifying feature.

61. An endoscope system according to claim 52, further comprising a combination identifying feature for identifying whether a particular treating element may be used in combination with a particular module body.

62. An endoscope system according to claim 61, further comprising a proper attachment checking feature which indicates whether or not one of said treating elements has been mounted in an appropriate one of said module bodies properly.

63. An endoscope system according to claim 62, further comprising a mechanism usable for detachably mounting said treating elements in an appropriate one of said module bodies, and also for detachably attaching said appropriate one of said module bodies to the distal part of said endoscope.

64. An endoscope system according to claim 52, wherein said treating elements are reusable and can each be repeatedly mounted in a corresponding one of said module bodies in a discountable fashion.

65. An endoscope system according to claim 52, wherein said treating elements can each be mounted in a corresponding one of said module bodies only once so as to prevent reuse of said treating elements.

66. An endoscope system according to claim 52, wherein said treating elements can each be mounted in each of said plurality of different module bodies in a discountable fashion.

67. An endoscope system according to claim 52, further comprising an identifying feature for distinguishing between said plurality of endoscope modules.

68. An endoscope system according to claim 52, wherein each of said treating elements and said module bodies can be sterilized.

69. An endoscope system comprising:

a plurality of endoscope modules each having a body member and a treating element mounted in the respective body member;

an endoscope including an insertion unit having a distal part to which said endoscope modules can be attached; and

coupling means via which said plurality of endoscope modules can be attached to said distal part of said insertion unit of said endoscope,

wherein said body members of said endoscope module each has an outer configuration dimensioned so as to be substantially the same as that of said distal part of said insertion unit of said endoscope.