Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

TiNi-based Material with Shape Memory Effect for Surgical Treatment of Diseases of Small Intestine in Newborn and Young Children

Sergey Anikeev
* ,
Maria Kaftaranova
,
Valentina Hodorenko
* ,
Stanislav Ivanov
ORCID logo ,
Nadezhda Artyukhova
,
Anastasiia V. Shabalina
,
Sergei A. Kulinich
* ORCID logo ,
Grigory Slizovsky
,
Anatolii V. Mokshin
ORCID logo ,
Viсtor Gunther
Version 1 : Received: 28 December 2022 / Approved: 30 December 2022 / Online: 30 December 2022 (08:53:45 CET)

A peer-reviewed article of this Preprint also exists.

Anikeev, S.G.; Kaftaranova, M.I.; Hodorenko, V.N.; Ivanov, S.D.; Artyukhova, N.V.; Shabalina, A.V.; Kulinich, S.A.; Slizovsky, G.V.; Mokshin, A.V.; Gunther, V.E. TiNi-Based Material with Shape-Memory Effect for Surgical Treatment of Diseases of Small Intestine in Newborn and Young Children. J. Funct. Biomater. 2023, 14, 155. Anikeev, S.G.; Kaftaranova, M.I.; Hodorenko, V.N.; Ivanov, S.D.; Artyukhova, N.V.; Shabalina, A.V.; Kulinich, S.A.; Slizovsky, G.V.; Mokshin, A.V.; Gunther, V.E. TiNi-Based Material with Shape-Memory Effect for Surgical Treatment of Diseases of Small Intestine in Newborn and Young Children. J. Funct. Biomater. 2023, 14, 155.

Abstract

Alloys based on TiNi are widely used in various fields of technology and medicine. In the present work, we report on preparation of TiNi-alloy based wire with the shape memory effect, which was used for compression clips for surgery. Composition and structure of the wire, and its martensitic and physical-chemical properties were studied using SEM, TEM, optic microscopy, profilometry, mechanical tests, etc. The TiNi alloy was found to consist of B2 and B19' and secondary-phase particles of Ti2Ni, TiNi3 and Ti3Ni4. Its matrix was slightly enriched in Ni (50.3 at. % of Ni). Homogeneous grain structure was revealed (an average grain size of 19±0.3 μm) with equal quantities of grain boundaries of special and general types. Surface oxide layer provide improved biocompatibility and promote adhesion of protein molecules. Overall, the obtained TiNi wire was concluded to exhibit martensitic, physical and mechanical properties suitable for its use as an implant material. The wire was then used for manufacturing compression clips with the shape memory effect and applied in surgery. The medical experiment that involved 46 children demonstrated that the use of such clips in children with double-barreled enterostomies permitted to improve the results of surgical treatment.

Keywords

TiNi; structure; martensitic transformations; strength; double-barreled enterostomy; compression anastomosis

Subject

Medicine and Pharmacology, Pediatrics, Perinatology and Child Health

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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