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Wear abrasive resistance of intracorporeal prosthesis of oesophagus

Nowak A. J., Dobrzański L. A.

Journal of Achievements in Materials and Manufacturing Engineering

2015

Vol. 69, nr 1

26--32

Purpose: The main aim of the work is investigation of abrasive wear resistance of evaluated oesophageal prosthesis internal layer, considering its long-term exploitation possibility and extreme option of food consumed by patient after implementation. Design/methodology/approach: In the work, methodology of wear abrasive investigations of oesophageal prosthesis, made of long-fibre composite material based on medical silicon, internal surface is presented. The measurements have been done on equipment designed and made in Division of Materials Processing Technology, Management and Computer Techniques in Materials Science of Institute of Engineering Materials and Biomaterials. Findings: The volume of obtained samples mass loss have been determined from approximate calculations of wear trace to simple geometrical figure mapping this loss, ant then the volume of this figure haves been calculated. The CAD software has been used to verify approximation method, which allows to precisely determine mass loss. Research limitations/implications: Developed constructional model of modern, internal prosthesis of the human oesophagus will be used to design the manufacturing technology and to manufacture given prosthesis. Originality/value: Worked out construction is the part of the research project realized by authors, that will result in cognitive, constructional and technological effects, but first of all, it will enable the real help very sick people.

Constructional model of internal oesophageal prosthesis

Dobrzański L. A., Pusz A., Nowak J., Górniak M.

Archives of Materials Science and Engineering

2010

Vol. 42, nr 2

69-76

Purpose: The aim of this work is to study of constructional model of internal prosthesis of oesophagus with determined functional features; the prosthesis will replace the upper part of the digestive system – the oesophagus. Design/methodology/approach: Constructional model of internal prosthesis of oesophagus was worked out in the basis of physiological build of oesophagus considering surgical techniques. Findings: Development of optimal constructional model of internal prosthesis of oesophagus considering functional features and surgical techniques. Research limitations/implications: Developed constructional model of modern, internal prosthesis of the human oesophagus will be used to design the manufacturing technology and to manufacture given prosthesis. Originality/value: Worked out construction is the part of the research project realized by authors, that will result in cognitive, constructional and technological effects, but first of all, it will enable the real help very sick people.