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A Smart Cochlear 3D-Printed Model with Custom Software to Train ENT Surgeons.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	A Smart Cochlear 3D-Printed Model with Custom Software to Train ENT Surgeons./
作者:	Dauterman, Michala.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2022,
面頁冊數:	167 p.
附註:	Source: Masters Abstracts International, Volume: 83-11.
Contained By:	Masters Abstracts International83-11.
標題:	Design. -
ISBN:	9798438758778

A Smart Cochlear 3D-Printed Model with Custom Software to Train ENT Surgeons.
Dauterman, Michala.

A Smart Cochlear 3D-Printed Model with Custom Software to Train ENT Surgeons. - Ann Arbor : ProQuest Dissertations & Theses, 2022 - 167 p.

Source: Masters Abstracts International, Volume: 83-11.

Thesis (M.S.E.)--The University of Akron, 2022.

This item must not be sold to any third party vendors.

Background: While cochlear implant (CI) surgery, for the hearing impaired, is a relatively safe and standard procedure in the hands of experienced surgeons, they need years of experience dealing with different cases, patients, and implants. Studies have shown that the overall complication rate for CIs is around 18%. Typical complications include infection, injury to the facial nerve, CI migration from its osseous bed, electrode array dislodgement from the cochlea and/or suboptimal electrode placement such as incomplete electrode insertion, electrode kinking, and electrode tip fold-over. Although devices such as mastoid fitting templates have been developed to improve electrode insertion trajectory, extensive training is still required. Current methods that use cadavers, virtual training sessions, or 3D-printed models from reconstruction images are still not good enough to train early career surgeons. This thesis presents a novel 3D-printed physical cochlear model that simulates the dimensions, texture, and feel of inserting the electrode into the inner ear canal. The model is 3D-printed from SolidWorks drawings created from snail shell geometry and actual human cochlear measurements. The material is a transparent plastic. The entire insertion process can be observed in real-time using a camera and a specially designed Graphical User Interface (GUI) that not only shows the real video feed, but also provides depth, trajectory, and speed measurements. Best practice benchmarks were developed using trials by a senior surgeon with over twenty years of experience.Trials: Three sets of clinical trials were then conducted on medical residents, fellows, and early career surgeons. Each clinical trial was part of a medical training lab held at Mercy Health Hospital in Youngstown, Ohio. The first trial was used to finalize the physical 3D-printed model prototype and establish benchmarks. The second trial was used to finalize the GUI and demonstrate that training via the model leads to better outcomes; the speed of insertion was found to be a key metric in this lab. An interim trial was conducted with engineering students at The University of Akron to demonstrate that use of the final 3D-printed model and GUI improved electrode insertion methods in novices. Finally, the third clinical trial was conducted to verify the same results with medical trainees.Results: It has been shown that the real-time training using the 3D-printed model and GUI help improve overall cochlear implant procedure outcomes. The advantage of this model is that surgeons can use it as many times as they like, as the whole set-up is easy, economical, and reusable.

ISBN: 9798438758778Subjects--Topical Terms:

518875
Design.
Subjects--Index Terms:

3D-printed cochlea

A Smart Cochlear 3D-Printed Model with Custom Software to Train ENT Surgeons.
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500 $a Source: Masters Abstracts International, Volume: 83-11.
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520 $a Background: While cochlear implant (CI) surgery, for the hearing impaired, is a relatively safe and standard procedure in the hands of experienced surgeons, they need years of experience dealing with different cases, patients, and implants. Studies have shown that the overall complication rate for CIs is around 18%. Typical complications include infection, injury to the facial nerve, CI migration from its osseous bed, electrode array dislodgement from the cochlea and/or suboptimal electrode placement such as incomplete electrode insertion, electrode kinking, and electrode tip fold-over. Although devices such as mastoid fitting templates have been developed to improve electrode insertion trajectory, extensive training is still required. Current methods that use cadavers, virtual training sessions, or 3D-printed models from reconstruction images are still not good enough to train early career surgeons. This thesis presents a novel 3D-printed physical cochlear model that simulates the dimensions, texture, and feel of inserting the electrode into the inner ear canal. The model is 3D-printed from SolidWorks drawings created from snail shell geometry and actual human cochlear measurements. The material is a transparent plastic. The entire insertion process can be observed in real-time using a camera and a specially designed Graphical User Interface (GUI) that not only shows the real video feed, but also provides depth, trajectory, and speed measurements. Best practice benchmarks were developed using trials by a senior surgeon with over twenty years of experience.Trials: Three sets of clinical trials were then conducted on medical residents, fellows, and early career surgeons. Each clinical trial was part of a medical training lab held at Mercy Health Hospital in Youngstown, Ohio. The first trial was used to finalize the physical 3D-printed model prototype and establish benchmarks. The second trial was used to finalize the GUI and demonstrate that training via the model leads to better outcomes; the speed of insertion was found to be a key metric in this lab. An interim trial was conducted with engineering students at The University of Akron to demonstrate that use of the final 3D-printed model and GUI improved electrode insertion methods in novices. Finally, the third clinical trial was conducted to verify the same results with medical trainees.Results: It has been shown that the real-time training using the 3D-printed model and GUI help improve overall cochlear implant procedure outcomes. The advantage of this model is that surgeons can use it as many times as they like, as the whole set-up is easy, economical, and reusable.
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653 $a 3D-printed cochlea
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653 $a Real-time image processing
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