Surgical platform with motorized arms for adjustable arm supports

{
  "publication_number": "US11202683B2",
  "country": "US",
  "kind": "B2",
  "title": "Surgical platform with motorized arms for adjustable arm supports",
  "abstract": "A motorized arm for a robotic medical system can include a shoulder coupled to a column of a table by a translational joint that allows translation of the shoulder along the column, a first link rotationally coupled to the column, a second link rotational coupled to the first link, and an arm support coupled to a distal end of the second link. The arm support can be configured to support one or more robotic arms usable during a robotic medical procedures. The motorized arm can include actuators for driving rotation of the links and arbors that can be engaged to increase the torsional stiffness of the motorized arm. The motorized arm can move the arm support between a stowed position below the table to a deployed position.",
  "claims": [
    "1. A motorized arm for a robotic medical system, the motorized arm comprising: a shoulder coupled to a column by a translational joint configured to allow translation of the shoulder along a longitudinal axis of the column, wherein the column is coupled to a table; a first link extending between a first proximal end and a first distal end, wherein the first proximal end is coupled to the shoulder by a first rotary joint configured to permit rotation of the first link relative to the shoulder about a first rotational axis; and a second link extending between a second proximal end and a second distal end, wherein the second proximal end is coupled to the first distal end by a second rotary joint having a second rotational axis extending parallel relative to the first rotational axis, and wherein the second distal end is coupled to an arm support configured to support one or more robotic arms.",
    "2. The motorized arm of claim 1, wherein the translational joint, the first rotary joint, and the second rotary joint are configured to allow the arm support to transition from a stowed position below a surface of the table to a deployed position above the surface of the table.",
    "3. The motorized arm of claim 1, wherein the second distal end of the second link is coupled to the arm support by a third rotary joint that is configured to allow the arm support to rotate relative to the second link.",
    "4. The motorized arm of claim 1, wherein the first link comprises: a first actuator positioned in the first proximal end of the first link and configured to drive rotation of the first link relative to the shoulder; and a first arbor positioned in the first proximal end of the first link configured to increase torsional stiffness of the first rotary joint.",
    "5. The motorized arm of claim 4, wherein: the first actuator is positioned on a first lateral side of the first proximal end of the first link; and the first arbor is positioned on a second lateral side of the first proximal end of the first link.",
    "6. The motorized arm of claim 4, wherein the second link comprises: a second actuator positioned in the second proximal end of the second link and configured to drive rotation of the second link relative to the first link; and a second arbor positioned in the second proximal end of the second link configured to increase torsional stiffness of the second rotary joint.",
    "7. The motorized arm of claim 6, wherein the second distal end of the second link is coupled to the arm support by a third rotary joint that is configured to allow the arm support to rotate relative to the second link, and wherein the second link further comprises: a third actuator positioned in the second distal end of the second link and configured to drive rotation of the adjustable arm support relative to the second link; and a third arbor positioned in the second distal end of the second link configured to increase torsional stiffness of the third rotary joint.",
    "8. A motorized arm for a robotic medical system, the motorized arm comprising: a shoulder coupled to a column supporting a table, wherein the table is configured to support a patient during a medical procedure; a first link extending between a first proximal end and a first distal end, the first proximal end coupled to the shoulder by a first rotary joint configured to permit rotation of the first link relative to the shoulder; a first joint actuation mechanism positioned in the first proximal end of the first link and configured to drive rotation of the first link relative to the shoulder; and a first torsional stiffness mechanism positioned within the first proximal end of the first link and configured to expand, upon actuation of the first torsional stiffness mechanism, to increase a profile of the first torsional stiffness mechanism within the first link to increase engagement between the first torsional stiffness mechanism and the first link to increase torsional stiffness of the first rotary joint.",
    "9. The motorized arm of claim 8, wherein the first joint actuation mechanism is positioned on a first lateral side of the first proximal end of the first link and the first torsional stiffness mechanism is positioned on a second lateral side of the first proximal end of the first link.",
    "10. The motorized arm of claim 8, further comprising an adjustable arm support coupled to the first distal end of the first link by a second rotary joint, the adjustable arm support configured to support one or more robotic arms.",
    "11. The motorized arm of claim 10, wherein rotation of the second rotary joint is mechanically constrained to rotation of the first rotary joint such that an upper surface of adjustable arm support remains substantially parallel to a support surface which supports the table during rotation of the motorized arm.",
    "12. The motorized arm of claim 8, further comprising: a second link extending between a second proximal end and a second distal end, the second proximal end coupled to the first distal end of the first link by a second rotary joint configured to permit rotation of the second link relative to the first link; a second joint actuation mechanism positioned in the second proximal end of the second link and configured to drive rotation of the second link relative to the first link; and a second torsional stiffness mechanism positioned within the second proximal end of the second link and configured to expand, upon actuation of the second torsional stiffness mechanism, to increase a profile of the first torsional stiffness mechanism within the first link to increase engagement between the first torsional stiffness mechanism and the first link to increase torsional stiffness of the second rotary joint.",
    "13. The motorized arm of claim 12, wherein the second joint actuation mechanism comprises a motor.",
    "14. The motorized arm of claim 8, wherein the first torsional stiffness mechanism comprises an arbor having a main body and a thin wall component that collectively form a cavity therebetween, and wherein the cavity can be pressurized to cause the thin wall component to expand, thereby increasing the profile of the first torsional stiffness mechanism.",
    "15. The motorized arm of claim 14, wherein the first torsional stiffness mechanism further comprises a hydraulic piston that is actuatable to increase a fluid pressure within the cavity.",
    "16. The motorized arm of claim 1, wherein the first link comprises a first lateral side piece and a separate, second lateral side piece coupled to the shoulder in spaced-apart joints with the first rotational axis extending through the joints.",
    "17. The motorized arm of claim 16, wherein the first lateral side piece and the second lateral side piece are coupled to lateral sides of the shoulder.",
    "18. The motorized arm of claim 16, wherein the second link comprises a first lateral side piece and a separate, second lateral side piece coupled to the first lateral side piece and the second lateral side piece of the first link in spaced-apart joints with the second rotational axis extending through the joints.",
    "19. The motorized arm of claim 18, wherein the first lateral side piece and the second lateral side piece of the second link are coupled to outer, lateral sides of the first lateral side piece and the second lateral side piece of the first link."
  ],
  "description_excerpt": "This application claims priority to U.S. Provisional Patent Application No. 62/809,197, filed Feb. 22, 2019, which is incorporated by reference herein in its entirety and for all purposes. Any and all applications for which a foreign or domestic priority claim is identified in the Application Data Sheet as filed with the present application are hereby incorporated by reference under 37 CFR 1.57.\n\nThis description generally relates to medical systems, and particularly to surgical or medical platforms, tables, or beds with motorized arms for adjustable robotic arm supports.\n\nRobotic technologies have a range of applications. In particular, robotic arms help complete tasks that a human would normally perform. For example, factories use robotic arms to manufacture automobiles and consumer electronics products. Additionally, scientific facilities use robotic arms to automate laboratory procedures such as transporting microplates. Recently, physicians have started using robotic arms to help perform surgical procedures. For instance, physicians use robotic arms to control surgical instruments inside a patient. However, existing medical systems including robotic arms have a high capital cost and are typically specialized to perform limited types of surgical procedures. Thus, physicians or their assistants may need to obtain multiple robotic arm systems to accommodate a range of surgical procedures. Manually reconfiguring a robotic arm system for each surgical procedure is also time-consuming and physically demanding for the physicians.",
  "cpc": [
    "A61B 34/30",
    "A61B 2017/00539",
    "A61B 2034/2059",
    "A61B 2034/301",
    "A61B 2034/302",
    "A61B 2034/303",
    "A61B 2090/376",
    "A61B 2090/3764",
    "A61B 2090/508",
    "A61G 13/06",
    "A61G 13/08",
    "A61G 13/101",
    "A61G 13/104",
    "B25J 17/00",
    "B25J 17/0241",
    "B25J 17/025",
    "B25J 17/0258",
    "B25J 19/0004",
    "B25J 5/04",
    "B25J 9/0009",
    "B25J 9/046",
    "B25J 9/102"
  ],
  "ipc": [
    "A61B 34/30",
    "A61B 90/00",
    "A61G 13/08",
    "A61G 13/10",
    "B25J 17/00",
    "B25J 17/02",
    "B25J 9/04"
  ],
  "assignees": [
    "Auris Health Inc"
  ],
  "inventors": [
    "Allison Tiffany Tse",
    "Christian de Jesus Ruiz",
    "Yoichiro Dan",
    "Nicholas J. Eyre",
    "Sven Wehrmann"
  ],
  "filing_date": "2020-02-20",
  "publication_date": "2021-12-21",
  "grant_date": "2021-12-21",
  "priority_date": "2019-02-22",
  "application_number": "US-202016796053-A",
  "family_id": "72141291",
  "cited_by_count": 4,
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