SU1371700A1 - Prosthesis of heart valve - Google Patents

Prosthesis of heart valve Download PDF

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Publication number
SU1371700A1
SU1371700A1 SU864026409A SU4026409A SU1371700A1 SU 1371700 A1 SU1371700 A1 SU 1371700A1 SU 864026409 A SU864026409 A SU 864026409A SU 4026409 A SU4026409 A SU 4026409A SU 1371700 A1 SU1371700 A1 SU 1371700A1
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SU
USSR - Soviet Union
Prior art keywords
rings
prosthesis
sheath
valve
heart valve
Prior art date
Application number
SU864026409A
Other languages
Russian (ru)
Inventor
Дмитрий Борисович Антипас
Николай Николаевич Завалишин
Игорь Анатольевич Сычеников
Original Assignee
МВТУ им.Н.Э.Баумана
1-Й Московский Медицинский Институт Им.И.М.Сеченова
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.)
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Application filed by МВТУ им.Н.Э.Баумана, 1-Й Московский Медицинский Институт Им.И.М.Сеченова filed Critical МВТУ им.Н.Э.Баумана
Priority to SU864026409A priority Critical patent/SU1371700A1/en
Application granted granted Critical
Publication of SU1371700A1 publication Critical patent/SU1371700A1/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
    • A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
    • A61F2/2412—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body with soft flexible valve members, e.g. tissue valves shaped like natural valves

Abstract

Изобретение предназначено дл  кардиологии . Цель изобретени  снижение нагрузки на сердце. Протез клаиана сердца содержит опорный каркас с нижним 1 и вер.х- ним 2 кольца.ми, которые соединены цилиндрической пружиной 3. В каркасе закреплен клапан, состо щий из запорного элемента с трем  створками 5, оболочки 6 с трем  синусообразными выступами. Створки 5 расположены над кольцами 1 и 4. Все элементы опорного каркаса выполнены из гибкого упругого гемосовместимого материала . 2 ил.The invention is intended for cardiology. The purpose of the invention is to reduce the load on the heart. The heart's prosthesis contains a support frame with the bottom 1 and the top 2 rings. They are connected by a cylindrical spring 3. A valve is fixed in the frame, consisting of a locking element with three flaps 5, a sheath 6 with three sinus-shaped protrusions. The valves 5 are located above the rings 1 and 4. All elements of the support frame are made of flexible elastic hemocompatible material. 2 Il.

Description

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со with

Фиг 2Fig 2

1one

Изобретение относитс  к медицинской технике, а именно к протезам клапанов сердца.The invention relates to medical technology, namely to prosthetic heart valves.

Цель и:юбретени  снижение нагрузки на сердце.Aim and: to celebrate reducing the load on the heart.

На фиг. 1 показан опорный каркас протеза в виде пружины; на фиг. 2 протез клапана, разрез.FIG. 1 shows the support frame of the prosthesis in the form of a spring; in fig. 2 valve prosthesis, incision.

Протез клапана сердца содержит опорный каркас с нижним 1 и верхним 2 кольцами , которые соединены цилиндрической пружиной 3. Внутри нижнего кольца 1 находитс  дополнительное укрепл ющее кольцо 4. Все элементы опорного каркаса выполнены из гибкого упругого гемосовмести- мого материала. В каркасе закреплен клапан , выполненный из биосов.местимого материала , состо щий из запорного элемента с трем  створками 5 оболочки 6 с трем  синусо- образными выступами и цилиндрический участок 7, в который переход т оболочки 6. Торец цилиндрического участка 7  вл етс  верхним краем 8 протеза, а нижним краем 9  вл етс  место креплени  оболочки 6 между нижним 1 и дополнительным укрепл ющи.м 4 кольцами. Створки 5 запорного элемента расположены над кольцами 1 и 4 по линии 10 креплени  створок 5 к обо.чочке 6. Причем оболочка 6 выполнена из биологического трансплантата, а его цилиндрический участок 7 выбирают длиной, равной не менее диаметра опорного каркаса.The prosthetic heart valve contains a support frame with lower 1 and upper 2 rings, which are connected by a cylindrical spring 3. Inside the lower ring 1 there is an additional reinforcing ring 4. All elements of the support frame are made of flexible elastic hemocompatible material. A valve made of biocompatible material, consisting of a locking element with three flaps 5 sheath 6 with three sinus-shaped protrusions and a cylindrical section 7, into which the shells pass 6, is fixed in the frame. The end of the cylindrical section 7 is the upper edge 8 the prosthesis, and the lower edge 9 is the place of attachment of the sheath 6 between the lower 1 and the additional reinforcement m 4 rings. The flaps 5 of the closure element are located above the rings 1 and 4 along the line 10 of the fastening of the flaps 5 to the obnochochke 6. Moreover, the shell 6 is made of a biological graft, and its cylindrical section 7 is chosen of a length equal to not less than the diameter of the support frame.

Протез работает следующим образом.The prosthesis works as follows.

При возрастании давлени  со стороны желудочка верхнее кольцо 2 перемещаетс As the ventricular pressure increases, the upper ring 2 moves

7170071700

22

вверх по оси клапана (фиг. 2) и кольца пружины 3 перемещаютс  вверх, что способствует подн тию створок 5 запорного элемента , поэтому створки оказывают малое , сопротивление потоку крови. Дополнительное кольцо 4 сохран ет форму проходного отверсти  и способствует равномерному распределению нагрузок на фиброзное кольцо в основании клапана. К моменту окончани  изгнани  крови их желудочка створкиupward along the axis of the valve (Fig. 2) and the spring rings 3 move upwards, which contributes to the uplift of the valves 5 of the closure element, therefore the doors have a small resistance to blood flow. The additional ring 4 retains the shape of the bore hole and contributes to the uniform distribution of the loads on the fibrous ring at the base of the valve. By the end of the expulsion of the blood of their ventricular valves

10 под действием вихревого потока крови в полост х за створками 5 в синусообразных выступах оболочки 6 перемещаютс  к закрытому положению и при .мaлeйпJe.м превыще- нии давлени  на них схлопываютс , пере . крыва  проходное отверстие клапана. При10, under the action of the vortex blood flow in the cavity behind the valves 5, in the sinus-shaped protrusions of the envelope 6, they move to the closed position and, under the pressure of Jem, the excess pressure on them collapses. Kryva aperture valve. With

ит/ чл  dfirsvuoiD ь глти11/ 1 о I- L/ IJLJJ IJ i riiir Oэтом верхнее кольцо 2 с пружиной 3 перемещаетс  вниз, разгружа  створки 5 клапана. it / c dfirsvuoiD glti11 / 1 about I-L / IJLJJ IJ i riiir O This upper ring 2 with spring 3 moves downward, unloading the flaps 5 of the valve.

Claims (1)

Формула изобретени Invention Formula 20 Протез клапана сердца, содержащий опорный каркас с верхним и нижним кольцом, оболочку и запорный элемент, причем запорный элемент и оболочка каркаса выполнены из биологически совместимого материала , отличающийс  тем, что, с целью снижени  нагрузки на сердце, каркас снабжен дополнительным укрепл ющим кольцом, расположенным внутри нижнего кольца, верхние и нижние кольца соединены шлинд- рической пружиной, а оболочка закреплена между дополнительным и нижним кольцами и содержит цилиндрический участок длиной не менее диаметра опорного каркаса.20 A prosthetic heart valve comprising a supporting skeleton with an upper and lower ring, a sheath and a locking element, the locking element and the sheath of the carcass made of a biologically compatible material, characterized in that the skeleton is provided with an additional reinforcing ring, located inside the lower ring, the upper and lower rings are connected by a shlindric spring, and the shell is fixed between the additional and lower rings and contains a cylindrical section with a length not less than the diameter of the support of the frame. 2525 30thirty
SU864026409A 1986-02-21 1986-02-21 Prosthesis of heart valve SU1371700A1 (en)

Priority Applications (1)

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SU864026409A SU1371700A1 (en) 1986-02-21 1986-02-21 Prosthesis of heart valve

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SU864026409A SU1371700A1 (en) 1986-02-21 1986-02-21 Prosthesis of heart valve

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SU1371700A1 true SU1371700A1 (en) 1988-02-07

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US5954766A (en) * 1997-09-16 1999-09-21 Zadno-Azizi; Gholam-Reza Body fluid flow control device
US6027525A (en) * 1996-05-23 2000-02-22 Samsung Electronics., Ltd. Flexible self-expandable stent and method for making the same
US6679264B1 (en) 2000-03-04 2004-01-20 Emphasys Medical, Inc. Methods and devices for use in performing pulmonary procedures
US7618446B2 (en) * 1990-05-18 2009-11-17 Edwards Lifesciences Ag Valve prosthesis for implantation in the body and a catheter for implanting such valve prosthesis
US7670373B1 (en) 1997-04-30 2010-03-02 Pulmonx Corporation Occlusion device
US7757692B2 (en) 2001-09-11 2010-07-20 Spiration, Inc. Removable lung reduction devices, systems, and methods
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Cited By (177)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7618446B2 (en) * 1990-05-18 2009-11-17 Edwards Lifesciences Ag Valve prosthesis for implantation in the body and a catheter for implanting such valve prosthesis
US5489298A (en) * 1991-01-24 1996-02-06 Autogenics Rapid assembly concentric mating stent, tissue heart valve with enhanced clamping and tissue exposure
US5137532A (en) * 1991-07-15 1992-08-11 Onx, Inc. Prosthetic heart valve
US6027525A (en) * 1996-05-23 2000-02-22 Samsung Electronics., Ltd. Flexible self-expandable stent and method for making the same
US8057540B2 (en) 1996-12-31 2011-11-15 Edwards Lifesciences Pvt, Inc. Method of treating aortic stenosis using an implantable prosthetic valve
US8002825B2 (en) 1996-12-31 2011-08-23 Edwards Lifesciences Pvt, Inc. Implantable prosthetic valve for treating aortic stenosis
US7846204B2 (en) 1996-12-31 2010-12-07 Edwards Lifesciences Pvt, Inc. Aortic valve prosthesis having natural tissue and an internal cover
US8136520B2 (en) 1997-04-30 2012-03-20 Pulmonx Corporation Occlusion device
US7670373B1 (en) 1997-04-30 2010-03-02 Pulmonx Corporation Occlusion device
US5954766A (en) * 1997-09-16 1999-09-21 Zadno-Azizi; Gholam-Reza Body fluid flow control device
US6632243B1 (en) 1997-09-16 2003-10-14 Emphasys Medical Inc. Body fluid flow control device
US7662181B2 (en) 2000-03-04 2010-02-16 Pulmonx Corporation Methods and devices for use in performing pulmonary procedures
US8474460B2 (en) 2000-03-04 2013-07-02 Pulmonx Corporation Implanted bronchial isolation devices and methods
US6679264B1 (en) 2000-03-04 2004-01-20 Emphasys Medical, Inc. Methods and devices for use in performing pulmonary procedures
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US7798147B2 (en) 2001-03-02 2010-09-21 Pulmonx Corporation Bronchial flow control devices with membrane seal
US8251067B2 (en) 2001-03-02 2012-08-28 Pulmonx Corporation Bronchial flow control devices with membrane seal
US8414655B2 (en) 2001-09-11 2013-04-09 Spiration, Inc. Removable lung reduction devices, systems, and methods
US7757692B2 (en) 2001-09-11 2010-07-20 Spiration, Inc. Removable lung reduction devices, systems, and methods
US8974484B2 (en) 2001-09-11 2015-03-10 Spiration, Inc. Removable lung reduction devices, systems, and methods
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US8986336B2 (en) 2001-10-25 2015-03-24 Spiration, Inc. Apparatus and method for deployment of a bronchial obstruction device
US7942931B2 (en) 2002-02-21 2011-05-17 Spiration, Inc. Device and method for intra-bronchial provision of a therapeutic agent
US8021385B2 (en) 2002-03-20 2011-09-20 Spiration, Inc. Removable anchored lung volume reduction devices and methods
US8177805B2 (en) 2002-03-20 2012-05-15 Spiration, Inc. Removable anchored lung volume reduction devices and methods
US8926647B2 (en) 2002-03-20 2015-01-06 Spiration, Inc. Removable anchored lung volume reduction devices and methods
US8721713B2 (en) 2002-04-23 2014-05-13 Medtronic, Inc. System for implanting a replacement valve
US7814912B2 (en) 2002-11-27 2010-10-19 Pulmonx Corporation Delivery methods and devices for implantable bronchial isolation devices
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