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RU2016120701A - METHOD FOR INCREASING THE BENDING RIGIDITY OF THE FOOT OF THE HIP JOINT AND PROSTHETIS AND DESIGN OF THE FOOT FOR ITS IMPLEMENTATION - Google Patents

METHOD FOR INCREASING THE BENDING RIGIDITY OF THE FOOT OF THE HIP JOINT AND PROSTHETIS AND DESIGN OF THE FOOT FOR ITS IMPLEMENTATION Download PDF

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Publication number
RU2016120701A
RU2016120701A RU2016120701A RU2016120701A RU2016120701A RU 2016120701 A RU2016120701 A RU 2016120701A RU 2016120701 A RU2016120701 A RU 2016120701A RU 2016120701 A RU2016120701 A RU 2016120701A RU 2016120701 A RU2016120701 A RU 2016120701A
Authority
RU
Russia
Prior art keywords
leg
hole
foot
insert
hip joint
Prior art date
Application number
RU2016120701A
Other languages
Russian (ru)
Other versions
RU2016120701A3 (en
RU2671081C2 (en
Inventor
Евгений Валентинович Пашков
Яна Николаевна Гайнуллина
Михаил Иванович Калинин
Александр Михайлович Поляков
Original Assignee
Федеральное государственное автономное образовательное учреждение высшего образования (ФГАОУ ВО) Севастопольский государственный университет
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Федеральное государственное автономное образовательное учреждение высшего образования (ФГАОУ ВО) Севастопольский государственный университет filed Critical Федеральное государственное автономное образовательное учреждение высшего образования (ФГАОУ ВО) Севастопольский государственный университет
Priority to RU2016120701A priority Critical patent/RU2671081C2/en
Publication of RU2016120701A publication Critical patent/RU2016120701A/en
Publication of RU2016120701A3 publication Critical patent/RU2016120701A3/ru
Application granted granted Critical
Publication of RU2671081C2 publication Critical patent/RU2671081C2/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/32—Joints for the hip
    • A61F2/36—Femoral heads ; Femoral endoprostheses

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)

Claims (2)

1. Способ повышения изгибной жесткости ножки эндопротеза тазобедренного сустава, снабженной продольным сквозным отверстием, отличающийся тем, что ножку предварительно охлаждают, вызывая уменьшение длины, размещают в отверстии цилиндрическую стержневую вставку, которую предварительно нагревают, вызывая увеличение длины, развальцовывают концы вставки, обеспечивая ее без зазорную фиксацию в отверстии ножки доводят температуру ножки и вставки до первоначальной (нормальной) температуры, способствуя появлению в материале ножки растягивающих, а в материале вставки сжимающих осевых напряжений, и создают тем самым в материале ножки суммарное сжимающее напряжение, повышающее плотность структуры ее материала в осевом направлении и повышение изгибной жесткости.1. A method of increasing the bending stiffness of a hip joint leg provided with a longitudinal through hole, characterized in that the leg is pre-cooled, causing a decrease in length, a cylindrical rod insert is placed in the hole, which is preheated, causing an increase in length, the ends of the insert are expanded, providing it without gap fixation in the hole of the leg brings the temperature of the leg and insert to the initial (normal) temperature, contributing to the appearance of the leg stretching boiling, and the material insertion compressive axial stress, and thus create in the material of legs cumulative compressive stress that increases the density of its material structure in an axial direction and increase the flexural rigidity. 2. Ножка эндопротеза тазобедренного сустава, содержащая продольное сквозное ступенчатое отверстие отличающаяся тем, что в снабженном фасками отверстии предварительно сжатой в осевом направлении ножки, установлена предварительно растянутая цилиндрическая вставка, зафиксированная от перемещения в осевом направлении с помощью утолщений по концам, беззазорно размещенных в конических полостях, образованных фасками сквозного отверстия ножки.2. The leg of the hip joint prosthesis containing a longitudinal through stepwise hole characterized in that in the chamfered hole pre-compressed in the axial direction of the leg, a pre-stretched cylindrical insert is fixed, fixed from axial movement with thickenings at the ends, gaplessly placed in conical cavities formed by chamfers of the through hole of the foot.
RU2016120701A 2016-05-26 2016-05-26 Method of increase of the flexural stiffness of the leg of hip endoprosthesis and the design of the leg for its implementation RU2671081C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2016120701A RU2671081C2 (en) 2016-05-26 2016-05-26 Method of increase of the flexural stiffness of the leg of hip endoprosthesis and the design of the leg for its implementation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2016120701A RU2671081C2 (en) 2016-05-26 2016-05-26 Method of increase of the flexural stiffness of the leg of hip endoprosthesis and the design of the leg for its implementation

Publications (3)

Publication Number Publication Date
RU2016120701A true RU2016120701A (en) 2017-11-30
RU2016120701A3 RU2016120701A3 (en) 2018-06-01
RU2671081C2 RU2671081C2 (en) 2018-10-29

Family

ID=60581008

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2016120701A RU2671081C2 (en) 2016-05-26 2016-05-26 Method of increase of the flexural stiffness of the leg of hip endoprosthesis and the design of the leg for its implementation

Country Status (1)

Country Link
RU (1) RU2671081C2 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5108452A (en) * 1989-02-08 1992-04-28 Smith & Nephew Richards Inc. Modular hip prosthesis
RU2066153C1 (en) * 1993-06-22 1996-09-10 Научно-исследовательский центр Татарстана "Восстановительная травматология и ортопедия" Endoprosthesis of the hip joint
RU2089136C1 (en) * 1995-01-17 1997-09-10 Научно-исследовательский центр Татарстана "Восстановительная травматология и ортопедия" Hip joint endoprosthesis
US5860982A (en) * 1997-03-26 1999-01-19 Johnson & Johnson Professional, Inc. Cemented calcar replacement varying height trial
US9737405B2 (en) * 2011-04-06 2017-08-22 DePuy Synthes Products, Inc. Orthopaedic surgical procedure for implanting a revision hip prosthesis
UA102453C2 (en) * 2011-12-13 2013-07-10 Севастопольский Национальный Технический Университет Leg of hip joint endoprosthesis

Also Published As

Publication number Publication date
RU2016120701A3 (en) 2018-06-01
RU2671081C2 (en) 2018-10-29

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MM4A The patent is invalid due to non-payment of fees

Effective date: 20181115