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Registration of a surgical image acquisition device using contour signatures

An image acquisition equipment, surgical technology, applied in surgery, image enhancement, image analysis and other directions, can solve problems such as immature technology

Inactive Publication Date: 2018-08-31
KONINKLJIJKE PHILIPS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

From the user's perspective, such image-based registration methods are streamlined but technically immature due to sensitivity to the imaged scene

Method used

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  • Registration of a surgical image acquisition device using contour signatures
  • Registration of a surgical image acquisition device using contour signatures
  • Registration of a surgical image acquisition device using contour signatures

Examples

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Embodiment Construction

[0017] In the following detailed description, for purposes of explanation and not limitation, representative embodiments disclosing specific details are set forth in order to provide a thorough understanding of the present teachings. However, it will be apparent to persons of ordinary skill in the art having the benefit of this disclosure that other embodiments in accordance with the present teachings that depart from the specific details disclosed herein remain within the scope of the appended claims. Moreover, descriptions of well-known apparatuses and methods may be omitted so as not to obscure the description of representative embodiments. Such methods and apparatus are clearly within the scope of the present teachings.

[0018] It should be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting. There may be any defined term in addition to its technical and scientific meaning as commonly...

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Abstract

Registration of a surgical image acquisition device (e.g. an endoscope) using preoperative and live contour signatures of an anatomical object is described. A control unit includes a processor configured to compare the real-time contour signature to the database of preoperative contour signatures of the anatomical object to generate a group of potential contour signature matches for selection of afinal contour match. Registration of an image acquisition device to the surgical site is realized based upon an orientation corresponding to the selected final contour signature match.

Description

Background technique [0001] Surgical image acquisition devices, such as endoscopes, include thin, elongated camera assemblies that allow a clinician to view a patient's internal anatomy without surgically exposing the anatomy for direct viewing. The endoscope can be passed through narrow natural orifices or small incisions in the skin, thus achieving reduced trauma to the patient compared to visualization and intervention without the aid of the endoscope. [0002] Registering the endoscope with some desired frame of reference enables, for example, the ability to register preoperative images with a live endoscope feed, which can help localize anatomical targets and lesions. Preoperative images may include 3D images, such as obtained via computed tomography (CT), ultrasound, magnetic resonance imaging (MRI), positron emission tomography (PET), single photon emission computed tomography (SPECT). [0003] Various methods currently exist for registering an endoscope in its view wi...

Claims

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Application Information

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IPC IPC(8): G06T7/73A61B34/20
CPCG06T2207/10068G06T2207/10072G06T2207/20108G06T2207/30004G06T2207/30244A61B2090/3614A61B2090/364A61B2090/306G06T7/74A61B34/20A61B1/044A61B1/0004G06V10/752A61B1/00039A61B1/04A61B2034/2057A61B2034/2065A61B1/00048A61B1/0005G06T19/006G06T2219/2004
Inventor P·西恩帕波A·波波维奇
Owner KONINKLJIJKE PHILIPS NV
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