A Soft Pneumatic Inchworm Double balloon (SPID) for colonoscopy.


Journal

Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288

Informations de publication

Date de publication:
31 07 2019
Historique:
received: 05 04 2019
accepted: 08 07 2019
entrez: 2 8 2019
pubmed: 2 8 2019
medline: 2 8 2019
Statut: epublish

Résumé

The design of a smart robot for colonoscopy is challenging because of the limited available space, slippery internal surfaces, and tortuous 3D shape of the human colon. Locomotion forces applied by an endoscopic robot may damage the colonic wall and/or cause pain and discomfort to patients. This study reports a Soft Pneumatic Inchworm Double balloon (SPID) mini-robot for colonoscopy consisting of two balloons connected by a 3 degrees of freedom soft pneumatic actuator. SPID has an external diameter of 18 mm, a total length of 60 mm, and weighs 10 g. The balloons provide anchorage into the colonic wall for a bio-inspired inchworm locomotion. The proposed design reduces the pressure applied to the colonic wall and consequently pain and discomfort during the procedure. The mini-robot has been tested in a deformable plastic colon phantom of similar shape and dimensions to the human anatomy, exhibiting efficient locomotion by its ability to deform and negotiate flexures and bends. The mini-robot is made of elastomer and constructed from 3D printed components, hence with low production costs essential for a disposable device.

Identifiants

pubmed: 31367005
doi: 10.1038/s41598-019-47320-3
pii: 10.1038/s41598-019-47320-3
pmc: PMC6668406
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

11109

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Auteurs

Luigi Manfredi (L)

Institute for Medical Science and Technology (IMSaT), Division of Imaging and Technology, School of Medicine, University of Dundee, Dundee, DD2 1FD, UK. mail@luigimanfredi.com.

Elisabetta Capoccia (E)

Institute for Medical Science and Technology (IMSaT), Division of Imaging and Technology, School of Medicine, University of Dundee, Dundee, DD2 1FD, UK.

Gastone Ciuti (G)

The BioRobotics Institute, Scuola Superiore Sant'Anna, 56025, Pisa, Italy.

Alfred Cuschieri (A)

Institute for Medical Science and Technology (IMSaT), Division of Imaging and Technology, School of Medicine, University of Dundee, Dundee, DD2 1FD, UK.

Classifications MeSH