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    • 10. 发明申请
    • TISSUE RETRACTOR AND METHOD FOR USING THE RETRACTOR
    • 组织回缩器和使用回缩器的方法
    • WO2004062465A2
    • 2004-07-29
    • PCT/US2003/038666
    • 2003-12-05
    • ID, LLCSMITH, KevinPALMER, MatthewKORTENBACH, JuergenFRANCESE, Jose, L.
    • SMITH, KevinPALMER, MatthewKORTENBACH, JuergenFRANCESE, Jose, L.
    • A61B
    • A61B17/068A61B17/0218A61B2017/00349A61B2017/00827A61B2017/00867
    • A tissue retractor includes a body having proximal and distal ends. The retractor also includes a retraction device having a head connected to the distal end of the body and defining two opposing openings, a connector movably disposed in the body, and two flexible needles of a shape memory material having a memory shape. The needles are fixedly connected to the connector for traveling through a respective one of the openings. The memory shape of the needles includes a portion with an arcuate shape. A one-handed actuation device is connected to the proximal end of the body and is operatively connected to the connector through the body. Upon actuation of the actuation device, the connector can be moved to selectively extend the needles out of the head and withdraw the needles into the head. Methods for using the tissue retractor, in particular for the treatment of Gastroesophageal Reflux Disease, are also provided.
    • 组织牵缩器包括具有近端和远端的本体。 牵开器还包括退回装置,其具有连接到主体的远端并限定两个相对的开口的头部,可移动地设置在主体中的连接器和具有记忆形状的形状记忆材料的两个柔性针。 针固定地连接到连接器,用于穿过相应的一个开口。 针的记忆形状包括具有弓形形状的部分。 单手致动装置连接到主体的近端并且通过主体可操作地连接到连接器。 在致动装置致动时,连接器可被移动以选择性地将针头延伸出头部并且将针头退回头部。 还提供了使用组织牵缩器,特别是用于治疗胃食管反流疾病的方法。