WO2010131823A1 - H 사이드 브랜치 혈관용 스텐트 - Google Patents
H 사이드 브랜치 혈관용 스텐트 Download PDFInfo
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- WO2010131823A1 WO2010131823A1 PCT/KR2009/006423 KR2009006423W WO2010131823A1 WO 2010131823 A1 WO2010131823 A1 WO 2010131823A1 KR 2009006423 W KR2009006423 W KR 2009006423W WO 2010131823 A1 WO2010131823 A1 WO 2010131823A1
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- stent
- side branch
- bridge
- blood vessel
- vessels
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- 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
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2/07—Stent-grafts
-
- 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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/856—Single tubular stent with a side portal passage
-
- 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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
-
- 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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/954—Instruments specially adapted for placement or removal of stents or stent-grafts for placing stents or stent-grafts in a bifurcation
-
- 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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/958—Inflatable balloons for placing stents or stent-grafts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/02—Inorganic materials
- A61L27/04—Metals or alloys
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/54—Biologically active materials, e.g. therapeutic substances
-
- 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
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2002/065—Y-shaped blood vessels
- A61F2002/067—Y-shaped blood vessels modular
-
- 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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2002/821—Ostial stents
-
- 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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2002/828—Means for connecting a plurality of stents allowing flexibility of the whole structure
Definitions
- the present invention relates to an H side branch vascular stent, and more specifically, the stent fully supports the inner circumferential surface of the branch blood vessel opening along the circumferential direction, thereby preventing restenosis of the branch blood vessel opening, and It is related to the stent for H side branch blood vessels where the stent is not concentrated or some areas of the stent do not protrude in the main blood vessel, and thus no blood flow disorder occurs, and the stent can be completely adhered to the inner wall of the main blood vessel without gaps.
- stents are narrowed in the human body by various diseases occurring in the human body, and their intrinsic function is reduced, or when the disease occurs such as poor blood circulation due to narrowing of blood vessels. Or it is a medical instrument that is performed inside the blood vessels to expand the lumen or blood vessels.
- Coronary artery disease or ischemic heart disease is characterized by the deposition of fat on the walls of coronary vessels and the accompanying inflammatory response, resulting in a narrowing of the lumen of the coronary arteries. Due to the size of the lumen, the heart muscle (myocardium) does not provide sufficient blood supply.
- Coronary artery disease is manifested in clinical symptoms such as angina pectoris, acute myocardial infarction and sudden death.
- PCI Percutaneous coronary intervention
- treatment with stents can prevent acute obstruction and vascular detachment that can be caused by balloon catheterization.
- stents do not contribute to the reduction of restenosis of blood vessels. There is a situation.
- Fig. 1 is a conceptual diagram showing coronary branching lesions (B), showing a case where stenosis occurs at the boundary between the proximal portion 1a, the distal portion 1b, and the branched vessel 2 of the main blood vessel 1.
- the inner circumferential surface of the branching vessel 2 opening must be positioned to be reliably supported by the drug release stent along the circumferential direction.
- FIG. 2 and 3 is a conceptual diagram showing a state of the stent used in the conventional coronary branch lesions
- Figure 2 is a stent (S) does not completely surround the opening of the branch vessel 2
- branched vessels (2) 3 illustrates a state in which only a part of the inner circumferential surface is positioned
- FIG. 3 shows that the stent S completely surrounds the opening of the branch blood vessel 2, but the part C of the stent protrudes into the space in the main blood vessel 1. It shows the arranged state.
- an object of the present invention is that the stent fully supports the inner circumferential surface of the branched blood vessel opening along the circumferential direction, can prevent the restenosis of the branched blood vessel opening, the stent is the main blood vessel It is not concentrated at the boundary of the hyperbranched or branched blood vessels, and some areas of the stent do not protrude in the main blood vessels, and thus do not cause blood flow disorder, and provide a stent for H side branch blood vessels in which the stent can be completely adhered to the inner wall of the main blood vessel without gaps. will be.
- a first stent having a plurality of cells and having a hollow cylindrical shape
- At least one bridge having one end connected to an end of the first stent
- the other end of the bridge is connected to the tip, has a plurality of cells, and is provided for the stent for H side branch blood vessel comprising a hollow cylindrical second stent.
- a first hollow stent having a plurality of cells and having a linear incision in a longitudinal direction at an upper end thereof, the inflatable hollow cylindrical;
- At least one bridge having one end connected to an end of the first stent
- the other end of the bridge is connected to the front end, there is provided a stent for the H side branch vessel having a plurality of cells, including a hollow cylindrical second stent.
- a first stent having a plurality of cells, coated with a drug, and having a hollow cylindrical shape
- At least one bridge having one end connected to an end of the first stent
- the other end of the bridge is connected at the tip, has a plurality of cells, is coated with the drug, and is provided for the stent for H side branch vessels comprising a hollow cylindrical second stent.
- the H side branch vascular stent according to the present invention completely supports the inner circumferential surface of the branched blood vessel opening along the circumferential direction, thereby preventing restenosis of the branched blood vessel opening, and the stent has main and branched blood vessels. It is not crowded at the boundary of or the protruding part of the stent in the main blood vessel does not cause blood flow disorder, and the stent can be completely adhered to the inner wall of the main blood vessel without a gap.
- the H side branch vascular stent according to the present invention can treat a patient in the same or similar manner as conventional conventional percutaneous coronary intervention, and thus does not incur the burden of the new procedure.
- FIG. 1 is a conceptual diagram showing coronary branching lesion (B).
- FIG. 2 and 3 is a conceptual diagram showing the state of the operation of the stent used in conventional coronary branch lesions.
- Figure 4 is a perspective view showing a stent for H side branch vessels according to an embodiment of the present invention.
- Figure 5 is a detailed plan view of the unfolded state of the stent for H side branch blood vessel shown in FIG.
- Figure 6 is a side view showing the main portion showing the stent for H side branch blood vessels according to an embodiment of the present invention.
- FIG. 7 is a cross-sectional view of the stent for H side branch vessel shown in FIG. 4.
- Figure 8 is a side view of the main part showing the stent for H side branch vessels without a linear incision in accordance with the present invention.
- FIG. 9 is a conceptual diagram illustrating a method of treating in a main blood vessel using the H side branch vein stent shown in FIG. 8.
- FIG. 9 is a conceptual diagram illustrating a method of treating in a main blood vessel using the H side branch vein stent shown in FIG. 8.
- FIG. 10 is a side view of a main portion showing a stent for an H side branch blood vessel having a linear incision according to the present invention
- FIG. 11 is a conceptual diagram illustrating a method of treating in a main blood vessel using the stent for H side branch blood vessel shown in FIG. 10.
- FIGS. 12 and 13 are conceptual views illustrating a procedure of using the H side branch vessel stent according to an embodiment of the present invention.
- FIG. 14 is a conceptual diagram of a state in which a stent for H side branch blood vessel shown in FIG. 1 is surrounded by a double balloon pottery; FIG.
- FIG. 4 is a perspective view showing the stent for H side branch blood vessel according to an embodiment of the present invention
- Figure 5 is a detailed plan view of the unfolded state of the stent for H side branch blood vessel shown in Figure 4
- Figure 6 is a view of the present invention
- FIG. 7 is a side view illustrating a main portion of the H side branch blood vessel stent
- FIG. 7 is a cross-sectional view of the H side branch blood vessel stent illustrated in FIG. 4.
- H side branch blood vessel stent 10 has a plurality of cells 21, the hollow cylindrical first stent 20; At least one bridge (30) connected to one end (31) at the end of the first stent (20); And the other end 32 of the bridge 30 is connected to the front end, has a plurality of cells 41, and comprises a hollow cylindrical second stent 40.
- a region in which blood flow approaches relative to the flow direction of blood flow is referred to as a tip of the component, and a region in which blood flow is far away is referred to as a distal end of the component.
- the first stent 20 corresponds to the inner wall of the main blood vessel 1 during the procedure
- the second stent 40 corresponds to the inner wall of the branch blood vessel 2.
- Each of the stents 20 and 40 may be formed of at least one selected from the group consisting of stainless steel, cobalt, titanium, platinum, and alloys thereof having predetermined rigidity and elasticity, and may be expanded in a cylindrical diameter direction.
- a plurality of cells 21 and 41 are formed.
- the size and cross-sectional shape of the cells 21 and 41 may be determined according to the degree of expansion required in consideration of the diameters of the main blood vessels and the branched blood vessels, but the cells 41 formed on the tip portion 40a of the second stent 40 may be used. It is preferable that the cross section is a rhombus shape, and may be composed of a single open cell or a plurality of closed cells having a valley and an acid.
- the cells 21 of the first stent 20 may be formed by arranging a plurality of corrugations formed of a plurality of valleys and an acid and linearly connecting two adjacent corrugations. The cell density and the degree of linear connection of can be determined according to the degree of expansion required.
- the second stent 40 may be inclined toward the bridge 30, the tip portion 40a of the first stent 20, the distal end of the first stent 20 may be inclined toward the bridge 30, the first stent ( The distal end of 20) and the distal end of the second stent 40 may have an asymmetric "V" shape around the bridge.
- the inclination angle ⁇ of the tip portion 40a of the second stent 40 is determined according to the angle at which the branch blood vessel branches in the main blood vessel and the diameter of the branch blood vessel. It is preferable to be manufactured as small as ° to 3 °, but is not limited thereto, for example, may be 20 ° to 120 °.
- the diameter d1 of the second stent 40 corresponds to the diameter in the branch blood vessel
- the diameter d2 of the inclined opening and the length d3 of the inclined tip are determined according to Pythagorean theorem. Once the two diameters are determined, the other diameter can be determined, and the other two diameters can be determined using the inclination angle ⁇ and either diameter.
- the diameter d2 of the opening of the tip portion 40a of the second stent 40 is 2mm to
- the length d3 of the tip portion 40a of the second stent 40 may be 1 mm to 10 mm.
- the length of the first stent 20 may be 3 mm to 15 mm, and if the first stent 20 is formed shorter or longer than this length, unexpected complications may occur after the procedure. As the length increases, there is a risk that a gap is generated between the inner wall of the main blood vessel and the first stent.
- the diameters of the stents 20 and 40 may be 2.5 mm to 5 mm in consideration of the diameters of the main and branch blood vessels, and the diameters of the first stent 20, the bridge 30, and the second stent 40 may be reduced.
- the overall length can be 8mm to 30mm.
- the bridge 30 connecting the first stent 20 and the second stent is preferably a plurality of linear bridges, and may be formed of a metal material having a predetermined elasticity and rigidity so as to be bent. The lower end and the lower end of the second stent may be connected.
- the bridge 30 provides overall structural stabilization of the first stent 20 and the second stent 40 and contributes to technical enhancement of the stent 10 delivery for the H side branch vessel.
- each of the stents 20 and 40 refers to the area through which the horizontal line P passes, and the upper area of the opening is referred to as the upper part.
- the H side branch vessel stent 10 may further include a marker 43 formed at a bending point of the tip portion 40a of the second stent 40, and the first stent 10. It may further include a plurality of markers 22 formed in the longitudinal direction at the upper end of the.
- the markers 43 and 22 are for accurately positioning the stent 10 in the main blood vessel and the branch blood vessel, and may be formed of a metal or a resin that does not transmit radiation.
- it may be formed of one or more selected from the group consisting of stainless steel, gold, and platinum, and each of the markers 43 and 22 may be formed on the same line, and two markers of the adjacent first stent 20 may be formed.
- the spacing between (22) may be 0.5mm to 5mm, preferably about 1mm.
- the H side branch vessel stent 1 may have a linear cutout I formed along the longitudinal direction at the upper end of the first stent 20.
- the linear cutout I allows the first stent 20 to have a cylindrical structure in which a partial region is open, and thus the diameter of the first stent 20 can be adjusted.
- the width of the linear cutout I may be 10 mm or less, and when the width of the linear cutout I is wider, the wrapping force of the balloon catheter for carrying the stent may be weakened, resulting in stent detachment.
- the first stent 20 is a safe transport of the stent 10 for H side branch vessels, prevent the stent (10) detachment, prevention of damage to the stent (10) itself and the second stent 40 is accurately located in the branch blood vessel Perform important functions such as contributing to Accordingly, the distal end portion of the first stent may be inclined toward the bridge 30 at a predetermined angle ⁇ .
- the H side branch vessel stent 10 may further include a drug coated on the first stent 20 and the second stent 40.
- the drug may be at least one selected from the group consisting of paclitaxel, sirolimus, biolimus, everlimus, zotalimus, tacrolimus, deforolimus and novolimus.
- FIG. 8 is a side view illustrating a main portion of the H side branch vessel stent having no linear incision according to the present invention
- FIG. 9 is a conceptual diagram illustrating a method of performing treatment in a main blood vessel using the H side branch vessel stent shown in FIG. 8.
- 10 is a main portion side view showing a H side branch vascular stent having a linear incision according to the present invention
- FIG. 11 shows a method of treatment in a main blood vessel using the H side branch vascular stent shown in FIG. 10.
- the branched blood vessels (2) In order for the ideal stent procedure to be performed for the treatment of stenosis in the branched blood vessels (2), first, the branched blood vessels (2) should be fully supported by the stent. Second, the main and branch blood vessels There should be no congestion of the stent at the boundary between them, and finally, the stent located in the main blood vessel should be in close contact with the inner wall of the main blood vessel without a gap.
- an opening is formed at the distal end of the second stent 40, and the inner wall of the branch blood vessel 2 is completely surrounded by the second stent 40. It can be supported by, and by placing the bridge 30 at the boundary between the main blood vessel (1) and branch blood (2) to prevent the phenomenon of the stent between the main blood vessel 1 and the branch blood vessel (2) dense Can be.
- the diameter of the first stent 20 may be adjusted, and the diameter of the first stent 20 may be expanded by pressure expansion in the radial direction of the first stent.
- the first stent 20 may be completely in contact with the inner wall (part of the region) of the main blood vessel 1 by expanding in a radial direction.
- the diameter of the first stent 20 is adjustable, and in this case, the diameter is expanded by pressing in the radial direction. You can.
- the first stent 20 When the first stent 20 is located in the main blood vessel 1, the first stent 20 can be completely adhered to the inner wall (part of the region) of the main blood vessel 1 by pressing in the radial direction.
- a new stent 50 may be inserted into the main blood vessel to complete the treatment of branched lesions.
- the treatment method using the H side branch vascular stent 10 according to the embodiment of the present invention is similar in technical aspect to the percutaneous coronary intervention.
- the H side branch vessel stent 10 suitable for the diameter and branching angle of the branched blood vessel 2 is selected and positioned around the lesion through the balloon catheter 100.
- the second stent is accurately positioned in the opening of the branch blood vessel 2, and the first stent is pressurized in the radial direction to expand, thereby closely contacting the inner wall of the main blood vessel 1.
- the new stent is placed on the inner wall of the main blood vessel, and balloon dilatation is performed on the main blood vessel 1 and the branch blood vessel 2 to finish the treatment of the branched lesion.
- the first stent 20 can be expanded to closely adhere to the inner wall of the main blood vessel 1.
- FIG. 14 is a conceptual view illustrating a state in which the stent for H side branch vessel shown in FIG. 1 is surrounded by a double balloon pottery, and the double balloon pottery 200 may be bent according to the bending of the blood vessel. Balloon portion including the 202 and the central insect 201.
- the first stent 20 may be disposed in the front balloon 203
- the second stent 40 may be disposed in the rear end balloon 202
- the double balloon conductor 200 is the bridge 30 of the stent 30 ) Can be broken at the part.
- the stent of the present invention described above can be used to extend the entire blood vessel of the body as well as coronary arteries.
- it can be used for cerebrovascular and hepatic blood vessels in blood vessels, and can also be used for hepatic biliary (billary tract).
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Abstract
Description
Claims (23)
- 복수의 셀을 갖고, 중공 원통형의 제 1 스텐트;상기 제 1 스텐트의 말단에 일 종단이 연결된 하나 이상의 브릿지; 및선단에 상기 브릿지의 타 종단이 연결되고, 복수의 셀을 갖고, 중공 원통형의 제 2 스텐트를 포함하는 H 사이드 브랜치 혈관용 스텐트.
- 복수의 셀을 갖고, 상단부에 길이방향을 따라 선형 절개부가 형성되며, 팽창 가능한 중공 원통형의 제 1 스텐트;상기 제 1 스텐트의 말단에 일 종단이 연결된 하나 이상의 브릿지; 및선단에 상기 브릿지의 타 종단이 연결되고, 복수의 셀을 갖고, 중공 원통형의 제 2 스텐트를 포함하는 H 사이드 브랜치 혈관용 스텐트.
- 제 1 항 또는 제 2 항에 있어서,상기 제 2 스텐트는 그 선단부가 브릿지를 향하여 경사진 것을 특징으로 하는 H 사이드 브랜치 혈관용 스텐트.
- 제 1 항 또는 제 2 항에 있어서,제 1 스텐트는 그 말단부가 브릿지를 향하여 경사진 것을 특징으로 하는 H 사이드 브랜치 혈관용 스텐트.
- 제 3 항에 있어서,제 1 스텐트의 말단부와 제 2 스텐트의 선단부는 브릿지를 중심으로 비대칭 "V"자 형상을 갖는 것을 특징으로 하는 H 사이드 브랜치 혈관용 스텐트.
- 제 3 항에 있어서,제 2 스텐트의 선단부의 경사각은 20° 내지 120°인 것을 특징으로 하는 H 사이드 브랜치 혈관용 스텐트.
- 제 3 항에 있어서,제 2 스텐트의 선단부의 경사 개구부의 직경은 2mm 내지 10mm인 것을 특징으로 하는 H 사이드 브랜치 혈관용 스텐트.
- 제 3 항에 있어서,상기 제 2 스텐트의 선단부의 절곡점에 형성된 마커를 더 포함하는 것을 특징으로 하는 H 사이드 브랜치 혈관용 스텐트.
- 제 8 항에 있어서,제 1 스텐트의 상단부에 길이방향을 따라 형성된 복수의 마커를 더 포함하는 것을 특징으로 하는 H 사이드 브랜치 혈관용 스텐트.
- 제 9 항에 있어서,상기 인접하는 2개의 마커 사이의 간격은 0.5mm 내지 5mm인 것을 특징으로 하는 H 사이드 브랜치 혈관용 스텐트.
- 제 9 항에 있어서,각 마커는 동일 선상에 형성된 것을 특징으로 하는 H 사이드 브랜치 혈관용 스텐트.
- 제 9 항에 있어서,상기 마커는 방사선이 투과되지 않는 금속 또는 수지로 형성된 것을 특징으로 하는 H 사이드 브랜치 혈관용 스텐트.
- 제 12 항에 있어서,상기 마커는 스테인리스 스틸, 금 및 백금으로 이루어진 그룹으로부터 선택된 하나 이상으로 형성된 것을 특징으로 하는 H 사이드 브랜치 혈관용 스텐트.
- 제 1 항 또는 제 2 항에 있어서,상기 브릿지는 제 1 스텐트의 하단부와 제 2 스텐트의 하단부를 연결하는 것을 특징으로 하는 H 사이드 브랜치 혈관용 스텐트.
- 제 1 항 또는 제 2 항에 있어서,각 스텐트는 스테인리스 스틸, 코발크, 티타늄, 백금 및 이들의 합금으로 이루어진 그룹으로부터 선택된 하나 이상으로 형성된 것을 특징으로 하는 H 사이드 브랜치 혈관용 스텐트.
- 제 3 항에 있어서,상기 제 2 스텐트의 선단부의 길이는 1mm 내지 10mm인 것을 특징으로 하는 H 사이드 브랜치 스텐트.
- 제 3 항에 있어서,상기 제 2 스텐트의 선단부에 형성된 셀은 그 단면이 마름모 형상인 것을 특징으로 하는 H 사이드 브랜치 혈관용 스텐트.
- 제 1 항 또는 제 2 항에 있어서,상기 제 1 스텐트의 길이는 3mm 내지 15mm인 것을 특징으로 하는 H 사이드 브랜치 혈관용 스텐트.
- 제 2 항에 있어서,상기 선형 절개부의 폭은 10mm이하인 것을 특징으로 하는 H 사이드 브랜치 혈관용 스텐트.
- 제 1 항 또는 제 2 항에 있어서,각 스텐트의 직경은 2mm 내지 5mm인 것을 특징으로 하는 H 사이드 브랜치 혈관용 스텐트.
- 제 1 항 또는 제 2 항에 있어서,상기 제 1 스텐트, 브릿지 및 제 2 스텐트의 전체 길이는 8mm 내지 30mm인 것을 특징으로 하는 H 사이드 브랜치 혈관용 스텐트.
- 복수의 셀을 갖고, 약물이 코팅되며, 중공 원통형의 제 1 스텐트;상기 제 1 스텐트의 말단에 일 종단이 연결된 하나 이상의 브릿지; 및선단에 상기 브릿지의 타 종단이 연결되고, 복수의 셀을 갖고, 약물의 코팅되며, 중공 원통형의 제 2 스텐트를 포함하는 H 사이드 브랜치 혈관용 스텐트.
- 제 22 항에 있어서,상기 약물은 paclitaxel, sirolimus, biolimus, everlimus, zotalimus, tacrolimus, deforolimus 및 novolimus로 이루어진 그룹으로부터 선택된 하나 이상인 것을 특징으로 하는 H 사이드 브랜치 혈관용 스텐트.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012510729A JP5777607B2 (ja) | 2009-05-13 | 2009-11-03 | Hサイドブランチ血管用ステント |
US13/320,224 US20120116500A1 (en) | 2009-05-13 | 2009-11-03 | H-Side Branch Stent |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2009-0041769 | 2009-05-13 | ||
KR1020090041769A KR101073035B1 (ko) | 2009-05-13 | 2009-05-13 | H 사이드 브랜치 혈관용 스텐트 |
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WO2010131823A1 true WO2010131823A1 (ko) | 2010-11-18 |
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PCT/KR2009/006423 WO2010131823A1 (ko) | 2009-05-13 | 2009-11-03 | H 사이드 브랜치 혈관용 스텐트 |
Country Status (4)
Country | Link |
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US (1) | US20120116500A1 (ko) |
JP (1) | JP5777607B2 (ko) |
KR (1) | KR101073035B1 (ko) |
WO (1) | WO2010131823A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103720529A (zh) * | 2013-12-30 | 2014-04-16 | 先健科技(深圳)有限公司 | 主动脉弓术中支架及该支架的制造方法 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7147661B2 (en) | 2001-12-20 | 2006-12-12 | Boston Scientific Santa Rosa Corp. | Radially expandable stent |
US9259336B2 (en) * | 2006-06-06 | 2016-02-16 | Cook Medical Technologies Llc | Stent with a crush-resistant zone |
KR101137896B1 (ko) * | 2009-11-12 | 2012-05-02 | 연세대학교 산학협력단 | 분지부 병변에서의 분지혈관 보호용 스텐트 |
US9254208B2 (en) * | 2013-03-14 | 2016-02-09 | Thomas Ischinger | Oblique stent |
KR101586615B1 (ko) | 2015-09-23 | 2016-01-19 | 신경민 | 분지형 스텐트 |
DE102016104302A1 (de) * | 2016-03-09 | 2017-09-14 | Optimed Medizinische Lnstrumente Gmbh | Stent zum einsatz an bifurkationen |
US10076433B1 (en) * | 2017-05-08 | 2018-09-18 | Vadim Bernshtein | Intravascular bifurication zone implants and crimping and deployment methods thereof |
WO2019096158A1 (zh) * | 2017-11-17 | 2019-05-23 | 杭州唯强医疗科技有限公司 | 血管支架 |
CN108888390A (zh) * | 2018-05-23 | 2018-11-27 | 上普博源(北京)生物科技有限公司 | 一种聚合物仿生分叉专用支架及其制备方法 |
AU2020242051A1 (en) | 2019-03-20 | 2021-11-04 | inQB8 Medical Technologies, LLC | Aortic dissection implant |
KR102438979B1 (ko) * | 2020-08-06 | 2022-09-01 | 주식회사 에스앤지바이오텍 | 분지형 스텐트 및 이의 사용 방법 |
EP4240254A1 (en) * | 2020-11-09 | 2023-09-13 | Venova Medical, Inc. | Endovascular implants and devices and methods for accurate placement |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR970073534A (ko) * | 1996-05-03 | 1997-12-10 | 분지 스텐트 및 이를 제조하는 방법 | |
US6013854A (en) * | 1994-06-17 | 2000-01-11 | Terumo Kabushiki Kaisha | Indwelling stent and the method for manufacturing the same |
KR20020075882A (ko) * | 1999-12-29 | 2002-10-07 | 에드워즈 라이프사이언시스 코포레이션 | 혈관 이식편 및 혈관 분지를 브리지 연결하는 방법 |
US20040186560A1 (en) * | 2002-08-31 | 2004-09-23 | Tbd | Stent for bifurcated vessels |
KR20060048252A (ko) * | 2004-06-08 | 2006-05-18 | 코디스 코포레이션 | 혈관 갈림증 치료용 신규 스텐트 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3585978B2 (ja) * | 1995-02-16 | 2004-11-10 | テルモ株式会社 | 体腔内狭窄部治療用器具 |
FR2733682B1 (fr) * | 1995-05-04 | 1997-10-31 | Dibie Alain | Endoprothese pour le traitement de stenose sur des bifurcations de vaisseaux sanguins et materiel de pose a cet effet |
US8728143B2 (en) * | 1996-06-06 | 2014-05-20 | Biosensors International Group, Ltd. | Endoprosthesis deployment system for treating vascular bifurcations |
US7632304B2 (en) * | 2005-09-07 | 2009-12-15 | Rbkpark Llc | Coronary stent |
-
2009
- 2009-05-13 KR KR1020090041769A patent/KR101073035B1/ko not_active IP Right Cessation
- 2009-11-03 WO PCT/KR2009/006423 patent/WO2010131823A1/ko active Application Filing
- 2009-11-03 JP JP2012510729A patent/JP5777607B2/ja not_active Expired - Fee Related
- 2009-11-03 US US13/320,224 patent/US20120116500A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6013854A (en) * | 1994-06-17 | 2000-01-11 | Terumo Kabushiki Kaisha | Indwelling stent and the method for manufacturing the same |
KR970073534A (ko) * | 1996-05-03 | 1997-12-10 | 분지 스텐트 및 이를 제조하는 방법 | |
KR20020075882A (ko) * | 1999-12-29 | 2002-10-07 | 에드워즈 라이프사이언시스 코포레이션 | 혈관 이식편 및 혈관 분지를 브리지 연결하는 방법 |
US20040186560A1 (en) * | 2002-08-31 | 2004-09-23 | Tbd | Stent for bifurcated vessels |
KR20060048252A (ko) * | 2004-06-08 | 2006-05-18 | 코디스 코포레이션 | 혈관 갈림증 치료용 신규 스텐트 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103720529A (zh) * | 2013-12-30 | 2014-04-16 | 先健科技(深圳)有限公司 | 主动脉弓术中支架及该支架的制造方法 |
CN103720529B (zh) * | 2013-12-30 | 2017-02-08 | 先健科技(深圳)有限公司 | 主动脉弓术中支架及该支架的制造方法 |
Also Published As
Publication number | Publication date |
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KR101073035B1 (ko) | 2011-10-12 |
US20120116500A1 (en) | 2012-05-10 |
JP2012526601A (ja) | 2012-11-01 |
JP5777607B2 (ja) | 2015-09-09 |
KR20100122728A (ko) | 2010-11-23 |
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