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BODY-INSERTABLE DEVICE AND LIQUID MEDICINE INJECTION METHOD

  • US 20080294143A1
  • Filed: 06/13/2008
  • Published: 11/27/2008
  • Est. Priority Date: 12/15/2005
  • Status: Active Grant
First Claim
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1. A body-insertable device, introduced into a desired part in a body for injecting a liquid medicine stored in a casing into the desired part, the body-insertable device comprising:

  • a projecting portion which projects an injection needle injecting the liquid medicine toward the desired part, the injection needle having a plurality of angle detection markers each having a predetermined width in a longitudinal direction of the injection needle;

    an imaging unit which images an image including the injection needle projected from the casing;

    an angle detecting unit which detects the angle detection markers from the image, and calculates a puncture angle of the injection needle based on a result of the detection; and

    a control unit which controls a puncture depth of the injection needle from a biological tissue surface in the desired part based on the calculated puncture angle of the injection needle.

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