# US 11,992,241 B2 · System to assist delivery of a mechanical intravascular treatment device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,992,241 B2 - Document ID: US11992241B2 - Status: Granted - Kind: B2 - Application number: 16/778,517 - Filed: 2020-01-31 - Published: 2021-08-05 - Granted: 2024-05-28 - Earliest claimed: 2020-01-31 - Assignees: DePuy Synthes Products, Inc. - Applicants: DePuy Synthes Products, Inc. - Inventors: Juan Lorenzo; Massod Siddiqui - Web page: https://patentgrep.com/patent/US11992241B2 ## CPC - A61B 17/3468: {for implanting or removing devices, e.g. prostheses, implants, seeds, wires (devices for implanting seeds A61M37/0069)} - A61F 2/95: Instruments specially adapted for placement or removal of stents or stent-grafts - A61F 2/9517: {handle assemblies therefor} - A61F 2/966: with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod - A61M 25/0097: {characterised by the hub (tube connectors or tube couplings A61M39/10)} - A61B 2017/00292: {mounted on or guided by flexible, e.g. catheter-like, means} - A61M 25/0113: {Mechanical advancing means, e.g. catheter dispensers} - A61M 2025/0042: {Microcatheters, cannula or the like having outside diameters around 1 mm or less} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C) - A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)} ## Abstract A system to assist delivery of a mechanical intravascular treatment device, wherein the system includes a first assist device having a first linear sliding mechanism. The linear sliding mechanism includes: a first non-slidable section; a first slidable section linearly displaceable relative to the first non-slidable section; and a first tension device connected to the first slidable section to move together; the first tension device being transitionable between an unsecured state and a secured state. A first securing hub is fixedly attached to the first non-slidable section, wherein the first securing hub is transitionable between an unsecured state and a secured state. The system may also include a second assist device. The assist devices provide enhanced control of movement of the delivery wire and/or guide catheter. ## Claims ### Claim 1 A system to assist delivery of a mechanical intravascular treatment device, the system comprising: a delivery wire; a first assist device comprising: a first linear sliding mechanism including: a first non-slidable section; a first slidable section linearly displaceable relative to the first non-slidable section; the first slidable section having a passageway in a longitudinal direction; an extension shaft receivable in the passageway of the first slidable section; a first tension device directly connected to the first slidable section to move together along the extension shaft; the first tension device being transitionable between an unsecured state and a secured state; the first tension device receives and secures therein the delivery wire; and a first securing hub fixedly attached to the first non-slidable section; the first securing hub being transitionable between an unsecured state and a secured state; wherein the delivery wire extends through the first non-slidable section, the extension shaft, the first tension device and the first securing hub; wherein the first non-slidable section is a first frame having parallel sides and curved opposing ends forming a loop around the extension shaft through which the delivery wire passes through; the first slidable section being linearly displaceable along a portion of one of the sides of the first frame; wherein the first slidable section includes a first slider tab connected to the first tension device via a first connecting arm. ### Claim 2 (depends on 1) The system in accordance with claim 1, wherein the first securing hub receives and secures therein a microcatheter; and wherein when the first tension device and the first securing hub are both in the secured state, controlled linear movement of the delivery wire while maintaining in place the microcatheter is achievable using the first linear sliding mechanism. ### Claim 3 A system to assist delivery of a mechanical intravascular treatment device, the system comprising: a delivery wire; a first assist device comprising: a first linear sliding mechanism including: a first non-slidable section; a first slidable section linearly displaceable relative to the first non-slidable section; the first slidable section having a passageway in a longitudinal direction; an extension shaft receivable in the passageway of the first slidable section; a first tension device directly connected to the first slidable section to move together along the extension shaft; the first tension device being transitionable between an unsecured state and a secured state; the first tension device receives and secures therein the delivery wire; and a first securing hub fixedly attached to the first non-slidable section; the first securing hub being transitionable between an unsecured state and a secured state; wherein the delivery wire extends through the first non-slidable section, the extension shaft, the first tension device and the first securing hub; a second assist device including: a second linear sliding mechanism including: a second non-slidable section; a second slidable section; linearly displaceable relative to the second non-slidable section; a second tension device connected to the second slidable section to move together; the second tension device being transitionable between an unsecured state and a secured state; and a second securing hub fixedly attached to the second non-slidable section; the second securing hub being transitionable between an unsecured state and a secured state; wherein the first tension device receives and secures therein the delivery wire, while the first securing hub receives and secures therein a microcatheter; and wherein when the first tension device and the first securing hub are both in the secured state, controlled linear movement of the delivery wire while maintaining in place the microcatheter is achievable using the first linear sliding mechanism; wherein the second tension device receives and secures therein the microcatheter, while the second securing hub receives and secures therein a guide catheter; and wherein when the second tension device and the second securing hub are both in the secured state, controlled linear movement of the microcatheter while maintaining in place the guide catheter is achievable using the second linear sliding mechanism. ### Claim 4 (depends on 3) The system in accordance with claim 3, wherein the first linear sliding mechanism includes the extension shaft extending from one end of the first non-slidable section, and the first slidable section is telescopically slidable along at least a portion of the extension shaft. ### Claim 5 (depends on 3) The system in accordance with claim 3, wherein the first securing hub receives and secures therein a microcatheter; and wherein when the first tension device and the first securing hub are both in the secured state, controlled linear movement of the delivery wire while maintaining in place the microcatheter is achievable using the first linear sliding mechanism. ### Claim 6 A system to assist delivery of a mechanical intravascular treatment device, the system comprising: a delivery wire; a first assist device comprising: a first linear sliding mechanism including: a first non-slidable section; a first slidable section linearly displaceable relative to the first non-slidable section; the first slidable section having a passageway in a longitudinal direction; an extension shaft receivable in the passageway of the first slidable section; a first tension device directly connected to the first slidable section to move together along the extension shaft; the first tension device being transitionable between an unsecured state and a secured state; the first tension device receives and secures therein the delivery wire; and a first securing hub fixedly attached to the first non-slidable section; the first securing hub being transitionable between an unsecured state and a secured state; wherein the delivery wire extends through the first non-slidable section, the extension shaft, the first tension device and the first securing hub; a second assist device including: a second linear sliding mechanism including: a second non-slidable section; a second slidable section; linearly displaceable relative to the second non-slidable section; a second tension device connected to the second slidable section to move together; the second tension device being transitionable between an unsecured state and a secured state; and a second securing hub fixedly attached to the second non-slidable section; the second securing hub being transitionable between an unsecured state and a secured state; wherein the second non-slidable section is a second frame having parallel sides and curved opposing ends; the second slidable section being linearly displaceable along a portion of one of the sides of the second frame; wherein the second slidable section includes a second slider tab connected to the second tension device via a second connecting arm. ### Claim 7 (depends on 6) The system in accordance with claim 6, wherein the first securing hub receives and secures therein a microcatheter; and wherein when the first tension device and the first securing hub are both in the secured state, controlled linear movement of the delivery wire while maintaining in place the microcatheter is achievable using the first linear sliding mechanism. ### Claim 8 A method for using a system to assist delivery of a mechanical intravascular treatment device; the system having a delivery wire; a first assist device that includes a first linear sliding mechanism; wherein the first linear sliding mechanism includes: a first non-slidable section; a first slidable section linearly displaceable relative to the first non-slidable section; the first slidable section having a passageway in a longitudinal direction; an extension shaft receivable in the passageway of the first slidable section; and a first tension device directly connected to the first slidable section to move together along the extension shaft; the first tension device being transitionable between an unsecured state and a secured state; the first tension device receives and secures therein the delivery wire; the system further including a first securing hub fixedly attached to the first non-slidable section, the first securing hub being transitionable between an unsecured state and a secured state; wherein the delivery wire extends through the first non-slidable section, the extension shaft, the first tension device and the first securing hub; the method comprising the step of: advancing the delivery wire through a lumen of a microcatheter until the mechanical vascular treatment delivery device disposed at a distal end of the delivery wire emerges from a distal end of the microcatheter; wherein the advancing step uses only the first linear sliding mechanism without grasping any portion of the delivery wire; wherein the first non-slidable section is a first frame having parallel sides and curved opposing ends forming a loop around the extension shaft through which the delivery wire passes through; the first slidable section being linearly displaceable along a portion of one of the sides of the first frame; wherein the first slidable section includes a first slider tab connected to the first tension device via a first connecting arm. ### Claim 9 (depends on 8) The method in accordance with claim 8, wherein the first securing hub receives and secures therein the microcatheter; and wherein when the first tension device and the first securing hub are both in the secured state, controlled movement of the delivery wire while maintaining in place the microcatheter is achievable using the first linear sliding mechanism. ### Claim 10 A method for using a system to assist delivery of a mechanical intravascular treatment device; the system having a delivery wire; a first assist device that includes a first linear sliding mechanism; wherein the first linear sliding mechanism includes: a first non-slidable section; a first slidable section linearly displaceable relative to the first non-slidable section; the first slidable section having a passageway in a longitudinal direction; an extension shaft receivable in the passageway of the first slidable section; and a first tension device directly connected to the first slidable section to move together along the extension shaft; the first tension device being transitionable between an unsecured state and a secured state; the first tension device receives and secures therein the delivery wire; the system further including a first securing hub fixedly attached to the first non-slidable section, the first securing hub being transitionable between an unsecured state and a secured state; wherein the delivery wire extends through the first non-slidable section, the extension shaft, the first tension device and the first securing hub; wherein the system further includes a second assist device having a second linear sliding mechanism; wherein the second linear sliding mechanism includes: a second non-slidable section; a second slidable section; linearly displaceable relative to the second non-slidable section; a second tension device connected to the second slidable section to move together, the second tension device being transitionable between an unsecured state and a secured state; and the system further includes a second securing hub fixedly attached to the second non-slidable section; the second securing hub being transitionable between an unsecured state and a secured state; the method comprising the step of: advancing the delivery wire through a lumen of a microcatheter until the mechanical vascular treatment delivery device disposed at a distal end of the delivery wire emerges from a distal end of the microcatheter; wherein the advancing step uses only the first linear sliding mechanism without grasping any portion of the delivery wire; and simultaneously with the advancing step, unsheathing the mechanical intravascular treatment device from the distal end of the microcatheter using only the second linear sliding mechanism without grasping any portion of the microcatheter; wherein the first tension device receives and secures therein the delivery wire, while the first securing hub receives and secures therein the microcatheter; and wherein when the first tension device and the first securing hub are both in the secured state, controlled linear movement of the delivery wire while maintaining in place the microcatheter is achievable using the first linear sliding mechanism; wherein the second tension device receives and secures therein the microcatheter, while the second securing hub receives and secures therein a guide catheter; and wherein when the second tension device and the second securing hub are both in the secured state, controlled linear movement of the microcatheter while maintaining in place the guide catheter is achievable using the second linear sliding mechanism. ### Claim 11 (depends on 10) The method in accordance with claim 10, wherein the first linear sliding mechanism includes the extension shaft extending from one end of the first non-slidable section, and the first slidable section is slidable along at least a portion of the extension shaft. ### Claim 12 (depends on 10) The method in accordance with claim 10, wherein the first linear sliding mechanism associated with the advancing step and the second linear sliding mechanism associated with the unsheathing step are carried out by movement in respective directions towards one another to deploy the mechanical intravascular treatment device. ### Claim 13 (depends on 10) The method in accordance with claim 10, wherein the first linear sliding mechanism associated with the advancing step and the second linear sliding mechanism associated with the unsheathing step are carried out by movement in opposite directions from one another to recapture the mechanical intravascular treatment device within the microcatheter. ### Claim 14 (depends on 10) The method in accordance with claim 10, wherein the first securing hub receives and secures therein the microcatheter; and wherein when the first tension device and the first securing hub are both in the secured state, controlled movement of the delivery wire while maintaining in place the microcatheter is achievable using the first linear sliding mechanism. ### Claim 15 A method for using a system to assist delivery of a mechanical intravascular treatment device; the system having a delivery wire; a first assist device that includes a first linear sliding mechanism; wherein the first linear sliding mechanism includes: a first non-slidable section; a first slidable section linearly displaceable relative to the first non-slidable section; the first slidable section having a passageway in a longitudinal direction; an extension shaft receivable in the passageway of the first slidable section; and a first tension device directly connected to the first slidable section to move together along the extension shaft; the first tension device being transitionable between an unsecured state and a secured state; the first tension device receives and secures therein the delivery wire; the system further including a first securing hub fixedly attached to the first non-slidable section, the first securing hub being transitionable between an unsecured state and a secured state; wherein the delivery wire extends through the first non-slidable section, the extension shaft, the first tension device and the first securing hub; wherein the system further includes a second assist device having a second linear sliding mechanism; wherein the second linear sliding mechanism includes: a second non-slidable section; a second slidable section; linearly displaceable relative to the second non-slidable section; a second tension device connected to the second slidable section to move together, the second tension device being transitionable between an unsecured state and a secured state; and the system further includes a second securing hub fixedly attached to the second non-slidable section; the second securing hub being transitionable between an unsecured state and a secured state; the method comprising the step of: advancing the delivery wire through a lumen of a microcatheter until the mechanical vascular treatment delivery device disposed at a distal end of the delivery wire emerges from a distal end of the microcatheter; wherein the advancing step uses only the first linear sliding mechanism without grasping any portion of the delivery wire; and simultaneously with the advancing step, unsheathing the mechanical intravascular treatment device from the distal end of the microcatheter using only the second linear sliding mechanism without grasping any portion of the microcatheter; wherein the second non-slidable section is a second frame having parallel sides and curved opposing ends; the second slidable section being linearly displaceable along a portion of one of the sides of the second frame; wherein the second slidable section includes a second slider tab connected to the second tension device via a second connecting arm. ### Claim 16 (depends on 15) The method in accordance with claim 15, wherein the first securing hub receives and secures therein the microcatheter; and wherein when the first tension device and the first securing hub are both in the secured state, controlled movement of the delivery wire while maintaining in place the microcatheter is achievable using the first linear sliding mechanism. ### Claim 17 (depends on 15) The method in accordance with claim 15, wherein the first linear sliding mechanism associated with the advancing step and the second linear sliding mechanism associated with the unsheathing step are carried out by movement in respective directions towards one another to deploy the mechanical intravascular treatment device. ### Claim 18 (depends on 15) The method in accordance with claim 15, wherein the first linear sliding mechanism associated with the advancing step and the second linear sliding mechanism associated with the unsheathing step are carried out by movement in opposite directions from one another to recapture the mechanical intravascular treatment device within the microcatheter.