MEDICAL DEVICE
First Claim
1. A medical device, comprising:
- an image pickup section that is able to pick up an image of a tube cavity in a subject;
a medical instrument for examination or treatment in the tube cavity;
a virtual endoscopic image generation section configured to generate a virtual endoscopic image of the tube cavity from a plurality of different line-of-sight positions using three-dimensional image data of the tube cavity that is obtained in advance;
an image retrieval section configured to retrieve the virtual endoscopic image highly similar to the endoscopic image of the tube cavity in a body picked up by the image pickup section;
a reference-point setting section configured to set a reference point based on a line-of-sight position of the highly similar virtual endoscopic image;
a relative-position calculation section configured to calculate a relative position of the medical instrument to the reference point;
a movement detection section configured to detect a movement of the reference point or the subject; and
a position correction section configured to correct the relative position in response to the movement of the reference point or the subject detected by the movement detection section.
3 Assignments
0 Petitions
Accused Products
Abstract
A medical device for examination or treatment based on a reference point A1, including: a virtual endoscopic image generation section configured to generate a virtual endoscopic image from a plurality of different sight line positions using three-dimensional image data of a bronchus that is obtained in advance; an image retrieving section configured to retrieve a virtual endoscopic image highly similar to a real image; a reference-point setting section configured to set the reference point A1 based on a line-of-sight position A0 of the highly similar virtual endoscopic image; a relative-position calculation section configured to calculate a relative position of a treatment instrument to the reference point A1; a movement detection section configured to detect a movement of the reference point A1 or the bronchus; and a position correction section configured to correct the relative position in response to the movement of the reference point A1 or the bronchus.
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Citations
12 Claims
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1. A medical device, comprising:
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an image pickup section that is able to pick up an image of a tube cavity in a subject; a medical instrument for examination or treatment in the tube cavity; a virtual endoscopic image generation section configured to generate a virtual endoscopic image of the tube cavity from a plurality of different line-of-sight positions using three-dimensional image data of the tube cavity that is obtained in advance; an image retrieval section configured to retrieve the virtual endoscopic image highly similar to the endoscopic image of the tube cavity in a body picked up by the image pickup section; a reference-point setting section configured to set a reference point based on a line-of-sight position of the highly similar virtual endoscopic image; a relative-position calculation section configured to calculate a relative position of the medical instrument to the reference point; a movement detection section configured to detect a movement of the reference point or the subject; and a position correction section configured to correct the relative position in response to the movement of the reference point or the subject detected by the movement detection section. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification