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    • 3. 发明授权
    • Heart stimulator lead set
    • 心脏刺激器铅套装
    • US4144891A
    • 1979-03-20
    • US789292
    • 1977-04-20
    • John P. LysfjordJames K. Byland
    • John P. LysfjordJames K. Byland
    • A61N1/375A61N1/04
    • A61N1/3752
    • A set of heart stimulator leads including first and second leads is disclosed for respectively stimulating and sensing the atrium and ventricle of a patient's heart. The proximal end of each of the aforementioned first and second leads is associated with a heart pacemaker of the atrial-sensing, ventricular-inhibited (ASVIP) or sequential type, both of which have leads that are attached to the atria and ventricles. It is critical to ensure that the first and second leads associated respectively with the atrium and ventricle of the patient's heart, are not interchanged, which condition could possibly cause arrhythmias and morbidity, and is ensured by configuring the proximal end of each of the first and second leads so that both of these leads may not be inserted into the incorrect openings or bores of the pacemaker at the same time. In particular, the first or atrial lead has a portion adjacent to its proximal end of reduced dimension that permits its insertion into the corresponding first or atrial bore of the pacemaker, whereas the second or ventricle lead has a larger diameter at a corresponding portion adjacent the proximal end thereof corresponding to the dimension of the second or ventricular bore of the pacemaker, permitting insertion therein, but being greater than that of and thus not permitting insertion within the first or atrial bore of the pacemaker.
    • 公开了一组包括第一和第二引线的心脏刺激器引线,用于分别刺激和感测患者心脏的心房和心室。 上述第一和第二引线中的每一个的近端与心房感应,心室抑制(ASVIP)或顺序类型的心脏起搏器相关联,两者都具有连接到心房和心室的引线。 确保分别与患者心脏的心房和心室相关联的第一和第二引线不互换,哪种情况可能引起心律失常和发病,这是至关重要的,并且通过将第一和第 第二引线使得这两个引线可能不会同时插入到起搏器的不正确的开口或孔中。 特别地,第一或心房引线具有邻近其缩小尺寸近端的部分,其允许其插入到起搏器的相应的第一或心房孔中,而第二或心室引线在相邻部分的相应部分处具有较大的直径 其近端对应于起搏器的第二或心室孔的尺寸,允许插入其中,但是大于起搏器的第一或心房孔内的插入,因此不允许插入。