RIGIDITY VARYING DEVICE FOR ENDOSCOPE INSERTION PART

Title:

RIGIDITY VARYING DEVICE FOR ENDOSCOPE INSERTION PART

Document Type and Number:

Japanese Patent JP2015002861

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To obtain an electronic endoscope that has an endoscope insertion part of which a rigidity varying structure avoids the necessity of increasing an outer diameter even though the rigidity is variable.SOLUTION: An electromagnetic coil 71 is wound around an operation cable 51 inserted into a tubular endoscope insertion part and an internal surface of the insertion part is provided with a spiral tube 56 made of a soft magnetic material. When a current supply circuit 75 supplies current to the electromagnetic coil 71, a magnetic force is generated at the electromagnetic coil 71, and then the operation cable 51 is attached to the spiral tube 56.

Inventors:

NISHIO JUNJI
TSUCHIDATE KOHEI

Application Number:

JP2013129830A

Publication Date:

January 08, 2015

Filing Date:

June 20, 2013

Export Citation:

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Assignee:

HOYA CORP

International Classes:

A61B1/00; G02B23/24

Attorney, Agent or Firm:

Matsuura 孝
Hiroki Ogura
藤 Takuya

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