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    • 1. 发明申请
    • INFRARED ENDOSCOPE FOR BRANCH SELECTION AND CANNULATION WITH GUIDEWIRE
    • 红外线内窥镜用于分支选择和引导装置
    • WO2008021436A3
    • 2008-11-20
    • PCT/US2007018144
    • 2007-08-14
    • CARDIO OPTICS INCAMUNDSON DAVID C
    • AMUNDSON DAVID C
    • A61M31/00A61N1/30
    • A61M25/0041A61B5/0086A61B5/6855
    • To accomplish coronary sinus sub-branch selection, an infrared imaging catheter has a distal end wherein a small curve is formed over the last centimeter of the distal end. The curve is at about a 60-120 degree angle. The curve permits the catheter to be torqued within the guiding sheath to image the CS sub-branch. When the catheter is completely in the sheath, the curve is absent since the spring constant of the curve is not great enough to curve inside the sheath. The curve only appears as the catheter is advanced out of the sheath. The further advancement out of the sheath results in a greater angle of the catheter. Moreover, the catheter may have a guidewire channel exiting the distal end of the catheter. This permits a guidewire to be inserted into the visualized sub-branch. Once inserted, the catheter is advanced over the guidewire into the observed branch.
    • 为了完成冠状窦下分支选择,红外成像导管具有远端,其中在远端的最后一厘米上形成小曲线。 曲线约为60-120度角。 该曲线允许导管在导引护套内扭转以对CS子支路成像。 当导管完全处于护套中时,曲线不存在,因为曲线的弹簧常数不足以在护套内弯曲。 曲线仅在导管超出鞘管时出现。 鞘外的进一步前进导致导管角度更大。 而且,导管可以具有离开导管远端的导丝通道。 这允许将导丝插入可视化的分支中。 一旦插入,将导管推进到导丝上进入观察分支。
    • 5. 发明申请
    • CORONARY SINUS LOCATOR SHEATH FOR BIVENTRICULAR PACING
    • 用于双歧杆菌的冠状动脉定位器
    • WO2005081991A3
    • 2006-04-20
    • PCT/US2005005813
    • 2005-02-25
    • CARDIO OPTICS INCAMUNDSON DAVID CHANLIN JOHN HBLANKENSHIP LARRY
    • AMUNDSON DAVID CHANLIN JOHN HBLANKENSHIP LARRY
    • A61M25/06A61N1/05
    • A61N1/056A61M25/0662A61M2025/018A61N2001/0578A61N2001/0585
    • A coronary sinus locater sheath is stabilized in the vicinity of the coronary sinus by a guidewire exiting the side of the sheath near the distal end and inserted into an identifiable anatomical feature. The procedure includes (1) inserting the guide sheath into a vein, (2) advancing the sheath until the right atrium is entered, (3) advancing the sheath into the IVC, (4) extending a guidewire through a port near the sheath's distal end , (5) retracting the sheath above the IVC into the right atrium, (6) articulating or rotating the sheath until the sheath is near the coronary sinus ostium, while the sheath is stabilized by the guidewire. Thus the sheath can be positioned near the coronary sinus ostium limiting the motion imparted to the sheath from the beating heart. An imaging catheter may be used in conjunction with the sheath. The sheath or catheter may include pacing electrodes.
    • 冠状静脉窦定位器护套通过离开护套侧面远端的导丝线在冠状窦附近稳定并插入到可识别的解剖特征中。 该方法包括(1)将引导护套插入静脉中,(2)使护套前进,直到右心房进入,(3)使护套进入IVC,(4)将导丝穿过护套远端 (5)将IVC上方的护套缩回到右心房,(6)关节或旋转护套,直到护套靠近冠状窦口,同时护套由导丝稳定。 因此,护套可以定位在冠状窦口附近,限制从打浆心脏施加到鞘的运动。 成像导管可以与护套一起使用。 护套或导管可以包括起搏电极。
    • 10. 发明申请
    • INFRARED ENDOSCOPE FOR BRANCH SELECTION AND CANNULATION WITH GUIDEWIRE
    • 用于分支选择和妊娠的红斑内镜
    • WO2008021436A2
    • 2008-02-21
    • PCT/US2007/018144
    • 2007-08-14
    • CARDIO-OPTICS, INC.AMUNDSON, David, C.
    • AMUNDSON, David, C.
    • A61M31/00
    • A61M25/0041A61B5/0086A61B5/6855
    • To accomplish coronary sinus sub-branch selection, an infrared imaging catheter has a distal end wherein a small curve is formed over the last centimeter of the distal end. The curve is at about a 60-120 degree angle. The curve permits the catheter to be torqued within the guiding sheath to image the CS sub-branch. When the catheter is completely in the sheath, the curve is absent since the spring constant of the curve is not great enough to curve inside the sheath. The curve only appears as the catheter is advanced out of the sheath. The further advancement out of the sheath results in a greater angle of the catheter. Moreover, the catheter may have a guidewire channel exiting the distal end of the catheter. This permits a guidewire to be inserted into the visualized sub-branch. Once inserted, the catheter is advanced over the guidewire into the observed branch.
    • 为了实现冠状窦分支选择,红外成像导管具有远端,其中在远端的最后一厘米处形成小曲线。 曲线大约为60-120度角。 该曲线允许导管在引导护套内扭转成像CS子支路。 当导管完全在护套中时,曲线不存在,因为曲线的弹簧常数不足以在护套内弯曲。 曲线仅在导管从护套中推出时才出现。 护套的进一步进步导致导管的更大的角度。 此外,导管可以具有离开导管远端的导丝通道。 这允许将导丝插入可视化的分支中。 一旦插入,导管在导丝上前进到观察分支。