Guiding apparatus for guiding an insertable body within an inspected object

• US 5,681,260 A
• Filed: 12/09/1994
• Issued: 10/28/1997
• Est. Priority Date: 09/22/1989
• Status: Expired due to Term

• Current Assignee: Olympus Optical Company Ltd. (Olympus Corporation)
• Original Assignee: Olympus Optical Company Ltd. (Olympus Corporation)
• Inventors: Hayashi, Masaaki, Adachi, Hideyuki, Ueda, Yasuhiro, Nakamura, Takeaki, Gotanda, Masakazu, Yamaguchi, Tatsuya, Takehana, Sakae
• Primary Examiner(s): Apley, Richard J.
• Assistant Examiner(s): Leubecker, John P.
• Application Number:
  US08/352,433
• Time in Patent Office: 1,054 Days
• Field of Search: 600/102, 600/103, 600/117, 600/114, 600/9, 600/11-14, 604/95, 128/897, 128/898, 128/899
• US Class Current: 600/114
• CPC Class Codes: A61B 1/00082 Balloons
• CPC Class Codes: A61B 1/00158 using magnetic field
• CPC Class Codes: A61B 1/0051 with controlled bending of insertion part
• CPC Class Codes: A61B 1/041 Capsule endoscopes for imaging
• CPC Class Codes: A61B 1/06 with illuminating arrangements
• CPC Class Codes: A61B 1/31 for the rectum, e.g. proctoscopes, sigmoidoscopes , colonoscopes
• CPC Class Codes: A61B 2017/00876 magnetic
• CPC Class Codes: A61B 34/73 Manipulators for magnetic surgery
• CPC Class Codes: A61B 5/14539 for measuring pH

Abstract

A guiding apparatus for guiding an insertable body within an inspected object is provided with an insertable body to be inserted into an inspected object, a guided part provided in at least a part of the insertable body and to be magnetically guided and a guiding device provided outside the inspected object and to magnetically guide the guided part. The guiding device includes a guiding part for guiding the guided part and a driving device for moving the guiding part at least two-dimensionally, the guided part and guiding part are to generate a magnetic force acting between them and the guiding part is to guide the guided part with the magnetic force.

Claims

1. A combination of an insertable body and a guiding apparatus for guiding the insertable body within an inspected object comprising:

an insertable body to be inserted into an inspected object;

a guided part provided in at least a part of said insertable body and to be magnetically guided; and

a guiding means outside said inspected object to be provided for magnetically guiding said guided part, said guiding means including a base, a first support connected to said base and which is movable in a first predetermined horizontal direction relative to said base, a second support connected to said first support and which is movable in a second predetermined horizontal direction relative to said base, said second predetermined horizontal direction being perpendicular to said first predetermined horizontal direction, a guiding part mounted on said second support for movement therewith for guiding said guided part, and a driving means for moving said first support and said second support relative to said base so as to move said guiding part, said guided part and said guiding part generating therebetween a magnetic force, and said guiding part guiding said guided part with said magnetic force.

2. A guiding apparatus according to claim 1, wherein said insertable body includes a means for obtaining information within said inspected object.

3. A guiding apparatus according to claim 1, wherein said insertable body includes a means for obtaining an optical image within said inspected object.

4. A guiding apparatus according to claim 1, wherein said insertable body is elongate and flexible.

5. A guiding apparatus according to claim 4, wherein said insertable body includes a tip part and said guided part is disposed in said tip part.

6. A guiding apparatus according to claim 1, wherein said guided part includes a ferromagnetic substance.

7. A guiding apparatus according to claim 1, wherein said guided part includes a permanent magnet.

8. A guiding apparatus according to claim 1, wherein said guided part includes an electromagnet.

9. A guiding apparatus according to claim 8, wherein said electromagnet has a coreless coil.

10. A guiding apparatus according to claim 1, wherein said guiding part includes means for generating a magnetic field.

11. A guiding apparatus according to claim 1, wherein said driving means includes at least a first motor for moving said first support relative to said base and a second motor for moving said second support relative to said first support, to move said guiding part in two dimensions.

12. A guiding apparatus according to claim 1, further comprising a position detecting means for detecting an at least two-dimensional position of said guided part within said inspected object.

13. A guiding apparatus according to claim 12, wherein said guiding part includes a magnetic field generating means for generating a magnetic field and said position detecting means includes a magnetic field detecting means for detecting said magnetic field generated by said magnetic field generating means to detect the position of said guided part.

14. A guiding apparatus according to claim 13, wherein said magnetic field detecting means has a Hall effect device.

15. A guiding apparatus according to claim 13, wherein said position detecting means further includes a means for two-dimensionally moving said magnetic field detecting means.

16. A guiding apparatus according to claim 13, wherein said magnetic field detecting means is provided near said guiding part and is moved together with said guiding part by said driving means.

17. A combination of an insertable body and a guiding apparatus for guiding the insertable body within an inspected object, comprising:

an insertable body to be inserted into an inspected object;

a guided part provided in at least a part of said insertable body, to be magnetically guided and including a coreless coil generating a magnetic field when an electric current is passed through the coil;

a current passing means for passing a current through said coreless coil;

a guiding means outside said inspected object for at least two-dimensionally and magnetically guiding said guided part, said guiding means including a base, a first support connected to said base and which is movable in a first predetermined horizontal direction relative to base, and a second support connected to said first support and which is movable in a second predetermined horizontal direction relative to said base, said second predetermined horizontal direction being perpendicular to said first predetermined horizontal direction, and a movable guiding part mounted on said second support for movement therewith for guiding said guided part, said guided part and guiding part generating a magnetic force acting therebetween, and said guiding part guiding said guided part with said magnetic force.

18. A combination of an insertable body and a guiding apparatus for guiding the insertable body within an inspected object, comprising:

an insertable body to be inserted into an inspected object;

a guided part to be magnetically guided, provided in at least a part of said insertable part and including a magnetic field generating means for generating a magnetic field;

a guiding means for at least two-dimensionally and magnetically guiding said guided part and provided outside said inspected object, said guiding means including a base, a first support connected to said base and which is movable in a first predetermined horizontal direction horizontal relative to said base, a second support connected to said first support and which is movable in a second predetermined horizontal direction relative to said base, said second predetermined horizontal direction being perpendicular to said first predetermined horizontal direction, and a guiding part mounted on said second support for movement therewith for guiding said guided part, said guided part and guiding part generating a magnetic force acting therebetween and said guiding part guiding said guided part with said magnetic force; and

a position detecting means for detecting an at least two-dimensional position of said guided part, including a magnetic field detecting means for detecting a magnetic field generated by said magnetic field generating means to detect the position of said guided part.

19. A combination of an insertable body and a guiding apparatus for guiding the insertable body within an inspected object, comprising:

an insertable body to be inserted into an inspected object;

a guided part provided in at least a part of said insertable body and to be magnetically guided; and

a guiding means outside said inspected object for at least two-dimensionally and magnetically guiding said guided part, said guiding means including a base, a first support connected to said base and which is movable in a first predetermined horizontal direction relative to said base, a second support connected to said first support and which is movable in a second predetermined horizontal direction relative to said base, said second predetermined horizontal direction being perpendicular to said first predetermined horizontal direction, and a guiding part mounted on said second support for movement therewith for guiding said guided part, said guided part and guiding part generating a magnetic force acting therebetween, and said guiding part guiding said guided part with said magnetic force; and

a position detecting means for detecting an at least two-dimensional position of said guided part within said inspected object.

20. An endoscope apparatus comprising:

an endoscope including an elongate insertable part having a tip part and an observing window provided in said tip part and to be inserted into an inspected object and an observing means for receiving a light received from said inspected object through said observing window and for obtaining an image of said inspected object;

a guided part provided in at least a part of said insertable part and to be magnetically guided; and

guiding means outside said inspected object for magnetically guiding said guided part, said guiding means including a base, a first support connected to said base and which is movable in a first predetermined horizontal direction relative to said base, a second support connected to said first support and which is movable in a second predetermined horizontal direction relative to said base, said second predetermined horizontal direction being perpendicular to said first predetermined horizontal direction, a guiding part mounted on said second support for movement therewith for guiding said guided part, and driving means for moving said guiding part at least two-dimensionally, said guided part and guiding part generating a magnetic force acting therebetween, and said guiding part guiding said guided part with said magnetic force.