Integrated Front End Circuitry for Microultrasound Capsule Endoscopy

被引：0

作者：

Lay, Holly S. ^{[1
,2
]}

Lemke, Christina ^{[3
]}

Cox, Benjamin F. ^{[4
]}

Qiu, Yongqiang ^{[5
]}

Cummins, Gerard ^{[6
]}

Ferrazzano, Elena ^{[3
]}

West, Calum ^{[3
]}

Desmulliez, Marc P. Y. ^{[6
]}

Clutton, R. Eddie ^{[7
]}

Cochran, Sandy ^{[3
]}

机构：

[1] Univ Glasgow, Glasgow, Lanark, Scotland

[2] FUJIFILM VisualSon, Toronto, ON, Canada

[3] Univ Glasgow, Sch Engn, Glasgow, Lanark, Scotland

[4] Univ Dundee, Sch Med, Dundee, Scotland

[5] Liverpool John Moores Univ, Elect Elect Engn Res Ctr, Liverpool, Merseyside, England

[6] Heriot Watt Univ, Sch Engn & Phys Sci, Edinburgh, Midlothian, Scotland

[7] Univ Edinburgh, Royal Dick Sch Vet Studies, Edinburgh, Midlothian, Scotland

来源：

2018 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS) | 2018年

基金：

英国工程与自然科学研究理事会;

关键词：

capsule endoscopy; microultrasound; front-end electronics; coded excitation; pulse compression; CODED EXCITATION; ULTRASOUND; SYSTEM;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Video capsule endoscopy (VCE) was originally developed to address the limitation of conventional endoscopy in accessing the small bowel as a remote part of the gastrointestinal tract. To further enhance the diagnostic ability of VCE, microultrasound capsule endoscopy is under development for identification of disease at an earlier stage and visualisation of subsurface tissue features. This paper presents an evaluation of two approaches to improve signal to noise ratio (SNR) in rapid prototyped capsule endoscopes. First, noise reduction techniques are applied to the integrated front-end circuits in the prototype capsules. Secondly, multiple types of coded excitation transmission are tested and benchmarked with respect to non-coded transmission. Results are presented for both bench top phantom imaging and in vivo translational trial imaging.

引用

页数：4

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