Novel flexible endoscope concept with swiveling camera tip

Endoscopy is an important modality in medical imaging. Thin flexible endoscopes are for example used to examine the upper airways, for gastroscopy procedures or lung inspection. With standard flexible endoscopes one can change the direction of view by bending the tip with the disadvantage of large s...

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Autores principales:	Boese Axel, Arens Christoph, Friebe Michael
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2020
Materias:	flexible endoscopy bending radius shape memory chip on the tip steering Medicine R
Acceso en línea:	https://doaj.org/article/3257ac904b404b6db51af41813cf98e6
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spelling	oai:doaj.org-article:3257ac904b404b6db51af41813cf98e62021-12-05T14:10:42ZNovel flexible endoscope concept with swiveling camera tip2364-550410.1515/cdbme-2020-3073https://doaj.org/article/3257ac904b404b6db51af41813cf98e62020-09-01T00:00:00Zhttps://doi.org/10.1515/cdbme-2020-3073https://doaj.org/toc/2364-5504Endoscopy is an important modality in medical imaging. Thin flexible endoscopes are for example used to examine the upper airways, for gastroscopy procedures or lung inspection. With standard flexible endoscopes one can change the direction of view by bending the tip with the disadvantage of large space required due to the bending radius. With first experiences of a concept of a moveable camera head on the tip of rigid endoscopes, we now propose a novel design employing a swiveling camera for flexible endoscopes. This concept is based on the use of a shape memory wire used to control the movement of the camera, a flexible plastic flap joint for tight rotation and flexible printed circuits for the electronic connection. The prototype was realized in a first low cost setup using a 5,5 mm HD chip on the tip camera with LED light. The motion and imaging performance of the prototype allowed swiveling of the camera on the endoscope tip from straight view to 100° side view. The space needed in fully rotation was limited to 9mm with an overall diameter of the endoscope in straight view of only 5,6mm, but could even be further reduced in a more professional setup. The image quality is good, but close-up views appear blurry due to the fixed focus point of the low-cost camera. The presented steering concept of the camera is promising, as it could potentially improve imaging of narrow cavities using flexible endoscopes. Especially for “in office” examinations this principle could add value to diagnosis and patient comfort.Boese AxelArens ChristophFriebe MichaelDe Gruyterarticleflexible endoscopybending radiusshape memorychip on the tipsteeringMedicineRENCurrent Directions in Biomedical Engineering, Vol 6, Iss 3, Pp 288-291 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	flexible endoscopy bending radius shape memory chip on the tip steering Medicine R
spellingShingle	flexible endoscopy bending radius shape memory chip on the tip steering Medicine R Boese Axel Arens Christoph Friebe Michael Novel flexible endoscope concept with swiveling camera tip
description	Endoscopy is an important modality in medical imaging. Thin flexible endoscopes are for example used to examine the upper airways, for gastroscopy procedures or lung inspection. With standard flexible endoscopes one can change the direction of view by bending the tip with the disadvantage of large space required due to the bending radius. With first experiences of a concept of a moveable camera head on the tip of rigid endoscopes, we now propose a novel design employing a swiveling camera for flexible endoscopes. This concept is based on the use of a shape memory wire used to control the movement of the camera, a flexible plastic flap joint for tight rotation and flexible printed circuits for the electronic connection. The prototype was realized in a first low cost setup using a 5,5 mm HD chip on the tip camera with LED light. The motion and imaging performance of the prototype allowed swiveling of the camera on the endoscope tip from straight view to 100° side view. The space needed in fully rotation was limited to 9mm with an overall diameter of the endoscope in straight view of only 5,6mm, but could even be further reduced in a more professional setup. The image quality is good, but close-up views appear blurry due to the fixed focus point of the low-cost camera. The presented steering concept of the camera is promising, as it could potentially improve imaging of narrow cavities using flexible endoscopes. Especially for “in office” examinations this principle could add value to diagnosis and patient comfort.
format	article
author	Boese Axel Arens Christoph Friebe Michael
author_facet	Boese Axel Arens Christoph Friebe Michael
author_sort	Boese Axel
title	Novel flexible endoscope concept with swiveling camera tip
title_short	Novel flexible endoscope concept with swiveling camera tip
title_full	Novel flexible endoscope concept with swiveling camera tip
title_fullStr	Novel flexible endoscope concept with swiveling camera tip
title_full_unstemmed	Novel flexible endoscope concept with swiveling camera tip
title_sort	novel flexible endoscope concept with swiveling camera tip
publisher	De Gruyter
publishDate	2020
url	https://doaj.org/article/3257ac904b404b6db51af41813cf98e6
work_keys_str_mv	AT boeseaxel novelflexibleendoscopeconceptwithswivelingcameratip AT arenschristoph novelflexibleendoscopeconceptwithswivelingcameratip AT friebemichael novelflexibleendoscopeconceptwithswivelingcameratip
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Novel flexible endoscope concept with swiveling camera tip

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