KR19980015029A - Artificial vascular stent - Google Patents

Artificial vascular stent Download PDF

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Publication number
KR19980015029A
KR19980015029A KR1019960034243A KR19960034243A KR19980015029A KR 19980015029 A KR19980015029 A KR 19980015029A KR 1019960034243 A KR1019960034243 A KR 1019960034243A KR 19960034243 A KR19960034243 A KR 19960034243A KR 19980015029 A KR19980015029 A KR 19980015029A
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South Korea
Prior art keywords
artificial blood
blood vessel
frame
artificial
vessel body
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KR1019960034243A
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Korean (ko)
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KR100189094B1 (en
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신경민
박재형
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신경민
박재형
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Priority to KR1019960034243A priority Critical patent/KR100189094B1/en
Publication of KR19980015029A publication Critical patent/KR19980015029A/en
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Publication of KR100189094B1 publication Critical patent/KR100189094B1/en

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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
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/89—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure the wire-like elements comprising two or more adjacent rings flexibly connected by separate members
    • 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
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • 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
    • A61F2/02—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
    • A61F2002/072—Encapsulated stents, e.g. wire or whole stent embedded in lining
    • 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
    • A61F2002/075—Stent-grafts the stent being loosely attached to the graft material, e.g. by stitching
    • 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
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0004—Rounded shapes, e.g. with rounded corners
    • A61F2230/0006—Rounded shapes, e.g. with rounded corners circular
    • 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
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005—The prosthesis being constructed from a particular material
    • A61F2310/00011—Metals or alloys
    • A61F2310/00017—Iron- or Fe-based alloys, e.g. stainless steel

Abstract

본 발명은 인조혈관에 관한 것으로써 인조혈관내에 틀(형)을 삽착하여 인조혈관이 쭈그러들지 않게 하여 혈액이 원활하게 소통하기 위한 발명이다.The present invention relates to artificial blood vessels, and is an invention for allowing blood to smoothly communicate with artificial blood vessels by inserting a frame into the artificial blood vessels.

본 고안의 구성은 인조혈관 본체(1)와 인조혈관 틀(3)로 구성하되 인조혈관본체(1)내에 인조혈관틀(3)을 삽착하였으며 인조혈관본체(1)는 2개의 인조혈관지체(2,2')로 형성하였다. 또 인조혈관지체(2')는 다른 인조혈관지체(2)보다 길이를 작게하되 작은만큼 다른 지체로 연결하기 위해 지체(6)을 형성하였다.The artificial blood vessel body 3 includes the artificial blood vessel body 1 and the artificial blood vessel frame 3, and the artificial blood vessel body 3 is inserted into the artificial blood vessel body 1. The artificial blood vessel body 1 includes two artificial blood vessel retention elements 2,2 '). In addition, the artificial blood vessel support 2 'is formed to have a length smaller than that of the other artificial blood vessel support 2 but connected to other artificial ligaments.

인조혈관틀(3)은 하나의 원형 망으로 되어 있으며, 이 망은 가느다란 스텐레스세선으로 되어 있고 이 세선을 연결하여 틀을 형성하였다.The artificial vascular frame (3) has a circular network, which is made of thin stainless steel wires, which are connected to form a frame.

이 인조혈관틀(3,3')은 인조혈관본체(1)에 삽착되고 유동성과 탄력성이 있게 하기 위해서 틀(3)과 틀(3') 사이를 틀(3)과 같이 통상의 망으로 하지 아니하고 긴 세선(5,5')으로 연결하였으며 또 틀(3)도 3단계로 구분하되 이의 연결도 가느다란 세선으로만 연결하고 공간부(7) 그대로 두었다.The artificial blood vessel frames 3 and 3 'are inserted into the artificial blood vessel body 1 and serve as ordinary nets such as the frame 3 between the frame 3 and the frame 3' It is connected by a long fine wire (5,5 '), and the frame (3) is divided into three steps. The connection of the frame is connected by a thin fine wire and the space portion (7) is left.

여기 미설명부호 8은 결착부, 9는 세선과 세선을 연결하기 위해 납땜한 부위이다.Reference numeral 8 is a binding portion, and 9 is a soldered portion for connecting the fine wire and the fine wire.

Description

인조혈관 스텐트Artificial vascular stent

제1도는 인조혈관과 인조혈관틀을 분해한 사시도.Figure 1 is a perspective view of artificial blood vessels and artificial blood vessel frames disassembled.

제2도는 인조혈관틀을 인조혈관에 넣은 상태의 상태도.Fig. 2 is a state in which the artificial blood vessel frame is inserted into the artificial blood vessel.

제3도는 제2도의 A부분의 확대도.Figure 3 is an enlarged view of part A of figure 2;

*도면의 주요 부분에 대한 부호의 설명*Description of the Related Art [0002]

1:인조혈관본체2,6:인조혈관지체1: Artificial blood vessel body 2, 6: Artificial blood vessel retention

A,A':인조혈관틀4:스텐레스세선A, A ': Artificial blood vessel frame 4: Stainless steel wire

5:꼬세선7:공간부5: twisted wire 7:

8:결착부8:

본 발명은 인조혈관에 관한 것으로써 인조혈관내에 틀(형)을 삽착하여 인조혈관이 쭈그러들지 않게 하여 혈액이 원활하게 소통하기 위한 발명이다.The present invention relates to artificial blood vessels, and is an invention for allowing blood to smoothly communicate with artificial blood vessels by inserting a frame into the artificial blood vessels.

종래의 인조혈관이나 인조혈관 틀은 인체의 혈관에 삽입하기 곤란하고 또한 인조혈관 틀이 탄력성이 없어 인조혈관의 특성을 살리지 못하는 문제점이 있었다.Conventional artificial blood vessels or artificial blood vessel frames are difficult to insert into the blood vessels of the human body, and the artificial blood vessel frames are not elastic, so that the characteristics of artificial blood vessels can not be utilized.

따라서 본 고안은 종래의 여러가지 문제점을 개량 보완하기 위해서 인조혈관을 보호하고 혈관내에 삽착을 용이하게 하기 위해서 틀의 재질을 스텐레스 세선으로 하고 틀 중간 중간을 연결된 틀로 하지 아니하고 하나의 긴 탄성체로 연결하여서 된 것이다.Therefore, in order to supplement the conventional problems, the present invention is designed to protect the artificial blood vessels and to facilitate the insertion into the blood vessels by using a stainless steel wire as a material of the frame, will be.

이를 첨부된 도면에 의거하여 상세히 설명하면 다음과 같다.This will be described in detail with reference to the accompanying drawings.

본 고안의 구성은 인조혈관 본체(1)와 인조혈관 틀(3)로 구성하되 인조혈관본체(1)내에 인조혈관틀(3)을 삽착하였으며 인조혈관본체(1)는 2개의 인조혈관지체(2,2')로 형성하였다. 또 인조혈관지체(2')는 다른 인조혈관지체(2)보다 길이를 작게하되 작은만큼 다른 지체로 연결하기 위해 지체(6)을 형성하였다.The artificial blood vessel body 3 includes the artificial blood vessel body 1 and the artificial blood vessel frame 3, and the artificial blood vessel body 3 is inserted into the artificial blood vessel body 1. The artificial blood vessel body 1 includes two artificial blood vessel retention elements 2,2 '). In addition, the artificial blood vessel support 2 'is formed to have a length smaller than that of the other artificial blood vessel support 2 but connected to other artificial ligaments.

인조혈관틀(3)은 하나의 원형 망으로 되어 있으며, 이 망은 가느다란 스텐레스세선으로 되어 있고 이 세선을 연결하여 틀을 형성하였다.The artificial vascular frame (3) has a circular network, which is made of thin stainless steel wires, which are connected to form a frame.

이 인조혈관틀(3,3')은 인조혈관본체(1)에 삽착되고 유동성과 탄력성이 있게 하기 위해서 틀(3)과 틀(3') 사이를 틀(3)과 같이 통상의 망으로 하지 아니하고 긴 세선(5,5')으로 연결하였으며 또 틀(3)도 3단계로 구분하되 이의 연결도 가느다란 세선으로만 연결하고 공간부(7) 그대로 두었다.The artificial blood vessel frames 3 and 3 'are inserted into the artificial blood vessel body 1 and serve as ordinary nets such as the frame 3 between the frame 3 and the frame 3' It is connected by a long fine wire (5,5 '), and the frame (3) is divided into three steps. The connection of the frame is connected by a thin fine wire and the space portion (7) is left.

여기 미설명 부호 8은 결착부, 9는 세선과 세선을 연결하기 위해 납땜한 부위이다.Reference numeral 8 is a binding portion, and 9 is a soldered portion for connecting the fine wire and the fine wire.

이상과 같이 구성된 본 발명의 작용효과는 다음과 같다.The operation and effect of the present invention constituted as described above are as follows.

인조혈관(1,2,2')내에 인조혈관 틀(A)을 도면 제1도 도면과 같이 삽착한다. 여기 인조혈관(1)과 인조혈관 틀(A)을 각각 2개 지체(2,2',B,B')로 구성한 것은 양다리 중앙부위에 인조혈관을 삽입할 경우에 필요하기 때문이다.The artificial blood vessel frame (A) is inserted into the artificial blood vessel (1,2,2 ') as shown in the drawing of FIG. The reason why the artificial blood vessel 1 and the artificial blood vessel frame A are composed of two lugs 2, 2 ', B and B', respectively, is that it is necessary to insert artificial blood vessels in the middle of the legs.

여기 인조혈관 틀(A)은 인조혈관(1)이 오무라지지 않게 하거나 쭈그러 들지 않기 위해서이고 또한 허벅다리부위에서 인조혈관을 삽입할 경우에 잘 삽입되도록 하기 위한 것이다.Herein, the artificial blood vessel frame (A) is provided for preventing the artificial blood vessel 1 from becoming open or shrugged and also to be inserted well when the artificial blood vessel is inserted in the thigh region.

또 인조혈관(10)의 지체(2,2')를 하나의 지체(2)를 길게 하고 다른 하나의 지체(2')를 짧게 한 것은 한 쪽 허벅다리로 인조혈관본체(1)를 삽입할 경우 양다리가 합쳐지는 중앙부위에서 다른 한쪽 다리의 혈관에 삽착할 경우에 대비하기 위해서이다.In order to lengthen the lugs 2 and 2 'of the artificial blood vessel 10 by lengthening one lug 2 and shortening the other lug 2', the artificial blood vessel body 1 is inserted with one of the thighs In case of attaching to the blood vessel of the other leg on the middle part where the legs are joined together.

이를 좀더 구체적으로 설명하면 인조혈관의 지체(2,2')의 길이가 같은 상태에서 한쪽 허벅다리를 통해 삽입하면 다른 허벅다리쪽으로 분배하지 않고 2개의 지체(2,2')가 삽입한 한쪽다리에만 혈관에 삽착되게 되어 소기의 목적을 달성할 수 없게 된다. 따라서 길이가 짧은 지체(2')는 한쪽 허벅지를 통해 인조혈관(3)이 들어가다 양다리가 합쳐진 부위로 갈라져서 놓이게 된다.More specifically, if the lengths of the artificial blood vessels 2 and 2 'are the same and the insertion is made through one of the thighs, the two legs 2 and 2' So that the desired purpose can not be achieved. Therefore, the short body 2 'having a short length is divided into the region where the artificial blood vessel 3 enters through the one thigh and the legs are joined together.

그러면 인조혈관 틀(A')이 삽착된 인조혈관지체(6)를 반대편 허벅다리로 통해 삽입하여 인조혈관지체(2')의 끝부분까지 밀어 넣으면 혈관역활을 하게 되는 것이다.Then, the artificial blood vessel frame (A ') is inserted through the opposite thigh leg and inserted into the end portion of the artificial blood vessel support (2').

또 도면 제1도와 같이 인조혈관 틀(A,A')을 몇개의 망(3,3')로 구분하고 이를 긴세선(5)으로 한 것과 망(3)과 망(3')을 계속해서 연결하지 아니하고 긴세선(5)으로 한 것은 인조혈관 본체(1)를 손상된 인체내의 혈관으로 삽입할 경우 탄력성을 높이고 또한 굴곡된 혈관을 잘 통과하도록 하기 위한 것이다.It is also possible to divide the artificial blood vessel frame (A, A ') into several nets (3, 3') as shown in FIG. 1 and to make the nets (3) and The long fine line 5 without connecting is intended to increase the elasticity of the artificial blood vessel body 1 when it is inserted into a damaged blood vessel in the human body, and also to pass the bent blood vessel well.

도 제3도의 결착부(8)는 인조혈관(1,6)내에 인조혈관 틀(A,A')를 삽착할 경우 빠지지 않게하기 위해서 끈으로 묶은 자리이다.The binding portion 8 of FIG. 3 is also a string bundle so as not to be missed when the artificial blood vessel frames A and A 'are inserted into the artificial blood vessels 1 and 6.

이와같이 본 고안은 간단한 구조로서 양다리 혈관손상부위를 인조혈관(1,6)으로 대체하여 치료를 용이하게 하기 위한 것이다.Thus, the present invention is intended to facilitate the treatment by replacing the injury site of the bilateral vessel with the artificial blood vessel (1,6) as a simple structure.

Claims (1)

인조혈관 틀을 인조혈관내에 삽착한 것에 있어서, 인조혈관을 2개의 인조혈관 지체로 하되 하나의 지체는 길게하고, 다른 하나는 짧게 한 것과 인조혈관(A,A')의 망과 망을 연결시 하나의 긴 세선으로만 연결하여 탄력성을 높인 것을 특징으로 한 인조혈관 스텐트.The artificial blood vessels were inserted into the artificial blood vessels, and the artificial blood vessels were made into two artificial blood vessels, one of which was lengthened and the other was shortened, and the artificial blood vessels A and A ' The artificial vascular stent is characterized in that the elasticity is increased by connecting only one long thin wire.
KR1019960034243A 1996-08-19 1996-08-19 Artificial blood vessel stent KR100189094B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100354821B1 (en) * 2000-02-07 2002-10-11 주식회사 에스앤지바이오텍 Srent graft and stent insertion apparatus

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2521045A (en) 2013-11-06 2015-06-10 Bcm Co Ltd Method of manufacturing stent attached to artificial blood vessel and stent attached to artificial blood vessel manufactured by the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100354821B1 (en) * 2000-02-07 2002-10-11 주식회사 에스앤지바이오텍 Srent graft and stent insertion apparatus

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