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2 633 639

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IPC

A61L27/06(2006-01-01)

A61L27/30(2006-01-01)

A61L27/50(2006-01-01)

B82B3/00(2006-01-01)

A61F2/82(2013-01-01)

(21) (22)

Application

2016147411, 2016-12-05

(24)

Start date

2016-12-05

(22)

Actual filing date

2016-12-05

(45)

Published

2017-10-16

(72)

Inventor

Lotkov Aleksandr IvanovichKashin Oleg AleksandrovichKuznetsov Vladimir MikhajlovichKudryashov Andrej NikolaevichBorisov Dmitrij PetrovichKrukovskij Konstantin VitalevichSlabodchikov Vladimir Andreevich

(73)

Holder

Federalnoe Gosudarstvennoe Avtonomnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Issledovatelskij Tomskij Gosudarstvennyj Universitet"

METHOD FOR MANUFACTURE OF SELF-EXPANDING PERIPHERAL STEEL FROM ALLOY BASED ON TITANIUM NICKELIDE WITH MODIFIED SURFACE Russian patent published in 2017 - IPC A61L27/06 A61L27/30 A61L27/50 B82B3/00 A61F2/82

Abstract RU 2633639 C1

FIELD: medicine.

SUBSTANCE: method for manufacture of a self-expanding peripheral stent from an alloy based on titanium nickelide with shape memory effect (SME) and superelasticity with a modified surface is described. The method includes laser cutting of the stent preform, thermomechanical treatment, stent surfaces cleaning and modification with accelerated silicon ions. Thermomechanical treatment is carried out by successive preform annealing on cylindrical mandrels with a stepwise increase in the mandrels diameter, while increasing the stent preform diameter when moving it from one mandrel to another by 20÷50%.

EFFECT: corrosion resistance, biocompatibility and non-toxicity in biological environments.

7 cl, 3 dwg, 1 ex

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RU 2 633 639 C1

Authors

Lotkov Aleksandr Ivanovich

Kashin Oleg Aleksandrovich

Kuznetsov Vladimir Mikhajlovich

Kudryashov Andrej Nikolaevich

Borisov Dmitrij Petrovich

Krukovskij Konstantin Vitalevich

Slabodchikov Vladimir Andreevich

Dates

2017-10-16—Published

2016-12-05—Filed