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    • 72. 发明公开
    • 관의 점막하 이식 구조물
    • 管状基层结构
    • KR1020000052653A
    • 2000-08-25
    • KR1019997003427
    • 1997-12-10
    • 펄듀 리서치 파운데이션
    • 하일스,마이클씨.파텔,우메쉬에이치.게데스,레슬리에이.바디락,스테판에프.
    • A61F2/06A61F2/04
    • A61L27/3604A61F2/06A61F2310/00365A61L27/24A61L27/3629A61L27/3687
    • PURPOSE: Implantable biological tissue graft constructs suitable for various medical applications and the process for producing such graft constructs are provided. More specifically, submucosal tissue is used to form tubular multi-laminate constructs of varying diameter. The tissue graft constructs have applications as arterial and venous grafts, ureter and urethra replacements, and as various ducts and shunts. CONSTITUTION: A unitary multi-layered submucosal tissue prosthesis comprises a first sheet(60) of submucosal tissue, having a first edge(74) and a second opposite edge(76), formed in the shape of a tube of submucosal tissue, wherein the second opposite edge(76) of the first sheet(60) extends over the first edge(74) of the first sheet(60) to define a multiple layered overlapped region of submucosal tissue, wherein the submucosal tissue layers in the overlapped region are fixed to one another; and a second sheet(70) of submucosal tissue, having a first edge(74) and a second opposite edge(76), wherein the second sheet(70) is in adherent contact with the tube of submucosal tissue and the first edge(74) and second opposite edge(76) of the second sheet(70) are sutured together along the length of the tube of submucosal tissue without perforating the underlying tube of submucosal tissue.
    • 目的:提供适用于各种医疗应用的植入式生物组织移植物构建体及其制备方法。 更具体地,粘膜下组织用于形成不同直径的管状多层叠构造物。 组织移植物构建体可用作动脉和静脉移植物,输尿管和尿道替代物,以及各种导管和分流器。 构成:整体多层粘膜下组织假体包括形成为粘膜下组织管形状的第一边缘(74)和第二相对边缘(76)的粘膜下组织的第一片(60),其中 第一片(60)的第二相对边缘(76)在第一片(60)的第一边缘(74)上延伸以限定粘膜下组织的多层重叠区域,其中重叠区域中的粘膜下组织层是固定的 彼此; 和具有第一边缘(74)和第二相对边缘(76)的粘膜下组织的第二片(70),其中所述第二片(70)与所述粘膜下组织的管粘贴接触,并且所述第一边缘(74) )和第二片(70)的第二相对边缘(76)沿着粘膜下组织的管的长度缝合在一起,而不穿透下面的粘膜下组织的管。
    • 80. 发明公开
    • 당김줄이 감압된 감압고정부재를 구비한 담도용 스텐트
    • KR1020220006367A
    • 2022-01-17
    • KR1020200084242
    • 2020-07-08
    • A61F2/86A61F2/844A61F2/848A61F2/04A61L31/14A61L31/02
    • 본발명은당김줄이감압된감압고정부재를구비한담도용스텐트에관한것으로서, 더욱상세하게는, 인체의피부와간을관통시켜병변이발생된담관내에스텐트를삽입시술한후, 담관내에설치된스텐트와연결연장되어인체의외부로노출된당김줄을감압한감압고정부재를피부면에커버고정하여당김줄이외부환경에의해발생되는오염을방지하고스텐트가담관내에서유동되지않고담관내에서이탈되지않도록한당김줄이감압된감압고정부재를구비한담도용스텐트는; 다수개의형상기억합금와이어가지그재그로서로엮어서공간부가형성되고, 양끝단에다수개의절곡단이원주를따라형성된원통형몸체가형성되며, 상기공간부에지그재로원형띠형태가되도록엮어진당김줄이설치되고, 상기당김줄의양단을묶어잘 풀어지않도록견고하게고정된상태를유지하기위해서강하게형성된매듭부를형성한다음상기당김줄을긴 길이로인체의외부에노출되도록시술하여상기원통형몸체가담관내에서미끄러지지않도록하며, 상기절곡단에서상기매듭부의간격은상기원통형몸체가잘오므라졌다펼쳐질수있는정도의간격으로형성되고, 상기원통형몸체(의직경에따라상기절곡단(에서상기매듭부의간격을짧게또는길게형성되고, 상기원통형몸체의제거시술시상기매듭부를인체외부에서잡아당기면상기원통형몸체의끝단원주가중앙을향하여오므려지면서인출되도록구성된스텐트와; 인체의피부면외측면에접착되어고정되도록접착부를구비한본체와, 상기당김줄이상기본체의외측둘레에감압되도록구성되는감압고정부재와; 상기감압고정부재가피부면의외측면에접착고정되고난후에상기감압고정부재의유동을방지하기위해상기감압고정부재의전체와상기감압고정부재의인접한인체의피부면을전부커버하여피부면에접착고정되는커버거즈부재로구성되는것을특징으로한다.