Delivery catheter handle and methods of use

{
  "publication_number": "US11109972B2",
  "country": "US",
  "kind": "B2",
  "title": "Delivery catheter handle and methods of use",
  "abstract": "Methods, devices, and systems are provided for performing endovascular repair of atrioventricular and other cardiac valves in the heart. A delivery device for staged deployment of an implantable device to a target area. The delivery device includes a deployment handle and one or more lock lines extending from the deployment handle through the catheter to the implantable device, the one or more lock lines being configured to engage with the implantable device to allow locking of the implantable device.",
  "claims": [
    "1. A delivery system for staged deployment of an implantable device at a target area, the delivery system comprising: a delivery catheter having a proximal end and a distal end; an adjustable implantable device coupled to the distal end of the delivery catheter; and a delivery device coupled to the proximal end of the delivery catheter, the delivery device including a deployment handle and one or more lock lines extending from the deployment handle through the catheter to the implantable device, the one or more lock lines being configured to engage with the implantable device to allow locking of the implantable device, the deployment handle including: a lock cap removably attached to a housing lid; a lock line assembly coupled to the one or more lock lines and configured to lock the implantable device by moving from an unlocked position toward a locked position, the lock line assembly including a lock tab configured to lodge within a lock slot disposed on the housing lid so as to hold the lock line assembly in the unlocked position; and an actuator handle at least partially enclosed by the lock cap, the actuator handle being configured to provide decoupling of the implantable device from the delivery device upon actuation of the actuator handle; wherein the lock cap is configured to prevent access to the actuator handle prior to removal, and is configured to engage with the lock tab upon removal of the lock cap so as to dislodge the lock tab to allow the lock line assembly to move toward the locked position to lock the implantable device; and further wherein the lock cap includes a tab configured to pass over the lock slot upon rotation of the lock cap.",
    "2. The system of claim 1, further comprising a lockout configured to prevent access to a second control line cap prior to removal of a first control line cap.",
    "3. The system of claim 2, wherein the lockout includes a lip positioned underneath the first control line cap, the lip being configured in size and shape so as to prevent movement of the lockout prior to removal of the first control line cap.",
    "4. The system of claim 2, wherein the first control line cap is a gripper line cap, and wherein the second control line cap is a lock line cap.",
    "5. The system of claim 1, wherein the actuator handle is prevented from being actuated prior to removal of a first control line cap and a second control line cap.",
    "6. The system of claim 5, wherein the actuator includes one or more indented portions configured such that the first control line cap and the second control line cap at least partially fit within the one or more indented portions to prevent rotation of the actuator handle prior to removal of the first control line cap and the second control line cap.",
    "7. The system of claim 1, further comprising a telescopic cap configured to be slidable from a first position at least partially preventing access to the lock cap to a second position providing access to the lock cap.",
    "8. The system of claim 7, further comprising one or more tabs configured to hold the telescopic cap in the second position.",
    "9. The system of claim 7, wherein the lock cap includes a lockout tab configured to pass over the lock slot upon depression of the lockout tab.",
    "10. The system of claim 1, wherein the adjustable implant includes a pair of opposed distal elements rotatably connected to a coupling member and a gripper disposed proximal to the distal elements and configured to bias toward the distal elements so as to engage with tissue disposed between the distal elements and the gripper.",
    "11. A delivery system for staged deployment of an implantable device at a target area, the delivery system comprising: a delivery catheter having a proximal end and a distal end; an adjustable implantable device coupled to the distal end of the delivery catheter; and a delivery device coupled to the proximal end of the delivery catheter, the delivery device including a deployment handle and one or more lock lines extending from the deployment handle through the catheter to the implantable device, the one or more lock lines being configured to engage with the implantable device to allow locking of the implantable device, the deployment handle including: a lock cap removably attached to a housing lid; a lock line assembly coupled to the one or more lock lines and configured to lock the implantable device by moving from an unlocked position toward a locked position, the lock line assembly including a lock tab configured to lodge within a lock slot disposed on the housing lid so as to hold the lock line assembly in the unlocked position; an actuator handle at least partially enclosed by the lock cap, the actuator handle being configured to provide decoupling of the implantable device from the delivery device upon actuation of the actuator handle; and a lockout configured to prevent access to a second control line cap prior to removal of a first control line cap; wherein the lock cap is configured to prevent access to the actuator handle prior to removal, and is configured to engage with the lock tab upon removal of the lock cap so as to dislodge the lock tab to allow the lock line assembly to move toward the locked position to lock the implantable device.",
    "12. The delivery system of claim 11, wherein the lock cap includes a tab configured to pass over the lock slot upon rotation of the lock cap.",
    "13. The delivery system of claim 11, wherein the actuator handle is prevented from being actuated prior to removal of a first control line cap and a second control line cap.",
    "14. The delivery system of claim 11, wherein the lock cap includes a lockout tab configured to pass over the lock slot upon depression of the lockout tab.",
    "15. A method of deploying an implantable device at a target area, the method comprising: positioning the implantable device at a target area, the implantable device being coupled to a distal end of a delivery catheter and a deployment handle being coupled to a proximal end of the delivery catheter, wherein one or more lock lines extend from the deployment handle through the catheter to engage with the implantable device such that application or release of tension in the one or more lock lines provides locking of the implantable device, the deployment handle including: a lock cap removably attached to a housing lid; a lock line assembly coupled to the one or more lock lines and configured to apply or release tension in the one or more lock lines by moving from an unlocked position toward a locked position, the lock line assembly including a lock tab configured to lodge within a slot disposed on the housing lid so as to hold the lock line assembly in the unlocked position; and an actuator handle at least partially enclosed by the lock cap, the actuator handle being configured to provide decoupling of the implantable device from the delivery catheter upon actuation of the actuator handle; wherein the lock cap is configured to prevent access to the actuator handle prior to removal, and is configured to engage with the lock tab upon removal of the lock cap so as to dislodge the lock tab to allow the lock line assembly to move toward the locked position; orienting the implantable device in a desired configuration; and removing the lock cap to lock the implantable device.",
    "16. The method of claim 15, further comprising removing a gripper line cap prior to removing a lock line cap, the deployment handle including a lockout configured to prevent access to the lock line cap prior to removal of the gripper line cap.",
    "17. The method of claim 16, further comprising removing the one or more lock lines after removal of the lock line cap.",
    "18. The method of claim 16, further comprising decoupling the implantable device from the delivery catheter by actuating the actuator handle, the actuator handle being configured so as to be prevented from being actuated prior to removal of the gripper line cap and the lock line cap.",
    "19. The method of claim 15, further comprising decoupling the implantable device from the delivery catheter by actuating the actuator handle, the actuator handle being configured so as to be prevented from being actuated prior to removal of a gripper line cap and a lock line cap."
  ],
  "description_excerpt": "The present disclosure relates generally to medical methods, devices, and systems. In particular, the present disclosure relates to methods, devices, and systems for the endovascular or minimally invasive surgical repair of the atrioventricular valves of the heart, particularly the mitral valve.\n\nMitral valve regurgitation is characterized by retrograde flow from the left ventricle of a heart through an incompetent mitral valve into the left atrium. During a normal cycle of heart contraction (systole), the mitral valve acts as a check valve to prevent flow of oxygenated blood back into the left atrium. In this way, the oxygenated blood is pumped into the aorta through the aortic valve. Regurgitation of the valve can significantly decrease the pumping efficiency of the heart, placing the patient at risk of severe, progressive heart failure.\n\nMitral valve regurgitation can result from a number of different mechanical defects in the mitral valve. The valve leaflets, the valve chordae which connect the leaflets to the papillary muscles, or the papillary muscles themselves may be damaged or otherwise dysfunctional. Commonly, the valve annulus may be damaged, dilated, or weakened limiting the ability of the mitral valve to close adequately against the high pressures of the left ventricle.\n\nThe most common treatments for mitral valve regurgitation rely on valve replacement or strengthening of the valve annulus by implanting a mechanical support ring or other structure. The latter is generally referred to as valve annuloplasty.",
  "cpc": [
    "A61B 17/00234",
    "A61B 17/1227",
    "A61B 17/1285",
    "A61B 2017/00243",
    "A61B 2017/00292",
    "A61B 2017/00336",
    "A61B 2017/00367",
    "A61B 2017/00429",
    "A61B 2017/00477",
    "A61B 2017/00783",
    "A61B 2090/508",
    "A61B 90/50",
    "A61B 90/57",
    "A61F 2/2442",
    "A61F 2/2454",
    "A61F 2/246",
    "A61F 2/2466",
    "A61M 2025/024",
    "A61M 2025/028",
    "A61M 2039/0018",
    "A61M 25/0136",
    "A61M 39/225"
  ],
  "ipc": [
    "A61B 17/00",
    "A61B 17/122",
    "A61B 17/128",
    "A61B 90/50",
    "A61F 2/24",
    "A61M 25/01"
  ],
  "assignees": [
    "Evalve Inc"
  ],
  "inventors": [
    "Travis R. Marsot",
    "Patricia H. Ho",
    "Justen D. England",
    "Randall S. Koplin",
    "Douglas S. RODENKIRCH"
  ],
  "filing_date": "2019-01-31",
  "publication_date": "2021-09-07",
  "grant_date": "2021-09-07",
  "priority_date": "2015-10-09",
  "application_number": "US-201916263816-A",
  "family_id": "57145071",
  "cited_by_count": 3,
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