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    MEDICAL DEVICE FOR REMOVING AN IMPLANTED OBJECT USING LASER CUT HYPOTUBES
    2.
    发明申请
    MEDICAL DEVICE FOR REMOVING AN IMPLANTED OBJECT USING LASER CUT HYPOTUBES 审中-公开

    公开(公告)号：US20180271551A1

    公开(公告)日：2018-09-27

    申请号：US15992016

    申请日：2018-05-29

    申请人： The Spectranetics Corporation

    发明人： Kenneth P. Grace ,  Weston H. Lee ,  Brian E. Kagarise ,  Robert Carver

    IPC分类号： A61B17/3205 ,  A61B17/50 ,  A61B17/34 ,  A61B17/32 ,  A61N1/05 ,  A61B17/3207 ,  A61B17/00

    CPC分类号： A61B17/3205 ,  A61B17/32 ,  A61B17/32002 ,  A61B17/32053 ,  A61B17/320758 ,  A61B17/3468 ,  A61B17/50 ,  A61B2017/00986 ,  A61B2017/320032 ,  A61N1/0573 ,  A61N2001/0578

    摘要： Methods and devices for separating an implanted object, such as a pacemaker lead, from tissue surrounding such object in a patient's vasculature system. Specifically, the surgical device includes a handle, an elongate inner sheath and a circular cutting blade that extends from the distal end of the sheath upon actuating the handle. The circular cutting blade is configured to engage the tissue surrounding an implanted lead and cut such tissue in a coring fashion as the surgical device translates along the length of the lead, thereby allowing the lead, as well as any tissue remaining attached to the lead, to enter the device's elongate shaft. The surgical device has a barrel cam cylinder in the handle assembly that imparts rotation of the blade and a separate cam mechanism in the tip of outer sheath assembly that imparts and controls the extension and retraction of the blade. The barrel cam cylinder and cam mechanism cooperate to cause the blade to rotate in a first direction and extend from and retract in the outer sheath due to a first actuation of the handle and to rotate in a second direction and extend and retract in the outer sheath due to a second actuation of the handle. The inner sheath and outer sheath are constructed of laser-cut hypotubes, thereby allowing the surgical device, particularly the sheath assembly, to have a smaller profile for navigating smaller sized vasculature.

    MULTI-TINE CUTTING DEVICE
    3.
    发明申请
    MULTI-TINE CUTTING DEVICE 审中-公开

    公开(公告)号：US20180256188A1

    公开(公告)日：2018-09-13

    申请号：US15979871

    申请日：2018-05-15

    申请人： Kyphon SARL

    发明人： MOJAN GOSHAYESHGAR

    IPC分类号： A61B17/32 ,  A61B17/16

    CPC分类号： A61B17/32002 ,  A61B17/1617 ,  A61B17/320016 ,  A61B2017/320032

    摘要： A cutting device is provided that includes an outer tube. The outer tube includes an inner surface defining a passageway. An inner tube is movably disposed in the passageway such that a distal end of the inner tube extends beyond a distal end of the outer tube. The distal end of the inner tube includes a first cutting element. An inner surface of the inner tube defines a lumen. A shaft is slidably disposed in the lumen. The shaft has a distal end including a second cutting element. A deployment mechanism is coupled to a proximal end of the outer tube. The deployment mechanism includes a body, a push button disposed within the body and a collar disposed about the body. The shaft is fixed relative to the collar and the inner tube is fixed relative to the push button. Systems and methods are disclosed.

    Debulking Catheters and Methods
    6.
    发明申请
    Debulking Catheters and Methods 审中-公开

    公开(公告)号：US20180021055A1

    公开(公告)日：2018-01-25

    申请号：US15703624

    申请日：2017-09-13

    申请人： Covidien LP

    发明人： John Simpson ,  Himanshu Patel ,  Greg Stine ,  Brett Follmer ,  Michael Rosenthal ,  Mehrdad Farhangnia

    IPC分类号： A61B17/3207 ,  A61B10/02 ,  A61B10/04 ,  A61B17/32 ,  A61B17/00

    CPC分类号： A61B17/320758 ,  A61B10/04 ,  A61B17/32075 ,  A61B17/320783 ,  A61B2010/0225 ,  A61B2017/00685 ,  A61B2017/320032 ,  A61B2017/320791

    摘要： A method of removing material from a blood flow lumen includes providing a device having a cutting element and an opening, the cutting element being movable relative to the opening. The method then includes advancing the device through a patient's vascular system to the blood flow lumen. Finally, the method involves moving the cutting element and the opening relative to the blood flow lumen so that a continuous piece of material is severed by the cutting element and directed into the opening as the cutting element and opening move through the blood flow lumen, the continuous piece of severed material being directed into the device for removal from the patient. The method may include providing a device having a rotatable cutter that, in some embodiments, is not parallel to the longitudinal axis of the device, is movable, has retracted and deployed positions, or any combination thereof. The method may further include forcing the opening toward the wall of the vascular site after the advancing step and before the moving step.

    MEDICAL DEVICE FOR REMOVING AN IMPLANTED OBJECT
    10.
    发明申请
    MEDICAL DEVICE FOR REMOVING AN IMPLANTED OBJECT 审中-公开

    公开(公告)号：US20170189064A1

    公开(公告)日：2017-07-06

    申请号：US15462357

    申请日：2017-03-17

    申请人： The Spectranetics Corporation

    发明人： Kenneth P. GRACE ,  Weston H. LEE ,  Robert CARVER

    IPC分类号： A61B17/34 ,  A61N1/05 ,  A61B17/50 ,  A61B17/3205 ,  A61B17/3207

    CPC分类号： A61B17/3468 ,  A61B17/32 ,  A61B17/32002 ,  A61B17/3205 ,  A61B17/32053 ,  A61B17/320758 ,  A61B17/50 ,  A61B2017/320032 ,  A61N1/0573 ,  A61N2001/0578

    摘要： Methods and devices for separating an implanted object, such as a pacemaker lead, from tissue surrounding such object in a patient's vasculature system. Specifically, the surgical device includes a handle, an elongate sheath and a circular cutting blade that extends from the distal end of the sheath upon actuating the handle. The circular cutting blade is configured to engage the tissue surrounding an implanted lead and cut such tissue in a coring fashion as the surgical device translates along the length of the lead, thereby allowing the lead, as well as any tissue remaining attached to the lead, to enter the device's elongate shaft. The surgical device has a barrel cam cylinder in the handle assembly that imparts rotation of the blade and a separate cam mechanism in the tip of outer sheath assembly that imparts and controls the extension and retraction of the blade. The barrel cam cylinder and cam mechanism cooperate to cause the blade to rotate in a first direction and extend from and retract in the outer sheath due to a first actuation of the handle and to rotate in a second direction and extend and retract in the outer sheath due to a second actuation of the handle.