# US 10,309,552 B2 · Multi-stage rotary overtravel stop > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,309,552 B2 - Document ID: US10309552B2 - Status: Granted - Kind: B2 - Application number: 15/915,526 - Filed: 2018-03-08 - Published: 2018-07-12 - Granted: 2019-06-04 - Earliest claimed: 2013-12-27 - Assignees: Stryker Corporation - Applicants: Stryker Corporation - Inventors: Wojciech K. Timoszyk; James Dulin Reavill - Web page: https://patentgrep.com/patent/US10309552B2 ## CPC - F16L 3/01: for supporting or guiding the pipes, cables or protective tubing, between relatively movable points, e.g. movable channels - A61B 90/30: Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure - A61B 2090/308: {Lamp handles} - F16L: PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract A medical device assembly including a first member having a first abutment, a second member rotatably connected to the first member and having a second abutment, and an idler member having third abutment and a fourth abutment. The first member is rotatably fixed to the second member. The idler member is free to rotate relative to the first member and the second member until the first abutment abuts the third abutment and until the second abutment abuts the fourth abutment. The first member, the second member and the idler member all rotate relative to each other about a single axis. ## Claims ### Claim 1 A medical device assembly comprising: a first member being interconnected to a building structural element, the first member having a first abutment; a second member rotatably connected to the first member, the second member having a free end movable relative to the building structural element, the second member having a second abutment; at least one idler member having a third abutment at a top side thereof and a fourth abutment at a bottom side thereof; and at least one conduit extending through the first member and the second member; the first member being rotatably fixed to the second member; the at least one idler member being free to rotate relative to the first member and the second member until the first abutment of the first member abuts the third abutment of the at least one idler member and until the second abutment of the second member abuts the fourth abutment of the at least one idler member; and wherein the first member, the second member and the at least one idler member all rotate relative to each other about a single axis. ### Claim 2 (depends on 1) The medical device assembly of claim 1, wherein: the free end includes a camera connected thereto. ### Claim 3 (depends on 1) The medical device assembly of claim 1, wherein: the free end includes a monitor connected thereto. ### Claim 4 (depends on 1) The medical device assembly of claim 1, wherein: the building structural element is a ceiling. ### Claim 5 (depends on 1) The medical device assembly of claim 1, wherein: the free end includes a shelving system connected thereto. ### Claim 6 (depends on 1) The medical device assembly of claim 1, wherein: the at least one idler member has a center opening. ### Claim 7 (depends on 6) The medical device assembly of claim 6, wherein: the at least one conduit extends through the center opening of the at least one idler member. ### Claim 8 (depends on 1) The medical device assembly of claim 1, wherein: the first member is able to rotate relative to the second member at a maximum angular displacement that is greater than 360°. ### Claim 9 (depends on 1) The medical device assembly of claim 1, wherein: the at least one idler member comprises a plurality of idler members. ### Claim 10 (depends on 1) The medical device assembly of claim 1, wherein: the at least one idler member comprises a flat disc with an open center in a middle thereof, a flat top surface and a flat bottom surface; the third abutment extends axially from the flat top surface of the flat disc; and the fourth abutment extends axially from the flat bottom surface of the flat disc. ### Claim 11 (depends on 1) The medical device assembly of claim 1, wherein: the at least one idler member comprises a flat disc with an open center in a middle thereof, a top surface and a bottom surface; the third abutment rests in a top arcuate channel in the top surface of the flat disc and extends axially from the top surface of the flat disc; the third abutment is configured to slide angularly within the top arcuate channel; the fourth abutment rests in a bottom arcuate channel in the bottom surface of the flat disc and extends axially from the bottom surface of the flat disc; the fourth abutment is configured to slide angularly within the bottom arcuate channel; at least one top damping member abuts a radial face of the third abutment to damp movement of the third abutment within the top arcuate channel; and at least one bottom damping member abuts a radial face of the fourth abutment to damp movement of the fourth abutment within the bottom arcuate channel. ### Claim 12 (depends on 1) The medical device assembly of claim 1, wherein: the at least one idler member is disc-shaped. ### Claim 13 (depends on 1) The medical device assembly of claim 1, wherein: the at least one idler member comprises a ring with a cylindrical outer face and a T-shaped member extending radially from the cylindrical outer face; the T-shaped member comprising the third abutment on a leg thereof and the fourth abutment on a cross-member thereof. ### Claim 14 (depends on 1) The medical device assembly of claim 1, wherein: the at least one conduit comprises electrical cabling. ### Claim 15 A medical device assembly comprising: a first member being interconnected to a fixed structure, the first member having a first abutment; a second member rotatably connected to the first member, the second member having a free end movable relative to the fixed structure, the second member having a second abutment; at least one idler member having a third abutment at a top side thereof and a fourth abutment at a bottom side thereof; and at least one conduit extending through the first member and the second member; the first member being rotatably fixed to the second member; the at least one idler member being free to rotate relative to the first member and the second member until the first abutment of the first member abuts the third abutment of the at least one idler member and until the second abutment of the second member abuts the fourth abutment of the at least one idler member; wherein the first member, the second member and the at least one idler member all rotate relative to each other about a single axis; and wherein the at least one conduit comprises at least one gas hose. ### Claim 16 A medical device assembly comprising: a hub being fixed to a ceiling; at least two arm assemblies rotatably connected to the hub; a first rotatable joint being located between the hub and the at least two arm assemblies, the at least two arm assemblies rotating about the hub at the first rotatable joint; a second rotatable joint being located between each arm assembly of the at least two arm assemblies; a medical device being connected to a movable end of the at least two arm assemblies at a connection joint, the movable end being opposite to the first rotatable joint; at least one of the first rotatable joint, the second rotatable joint and the connection joint including a greater than 360° joint connection; the greater than 360° joint connection includes: a first member having a first abutment; a second member rotatably connected to the first member, the second member having a second abutment; at least one idler member having a third abutment at a top side thereof and a fourth abutment at a bottom side thereof; and at least one conduit extending through the first member and the second member; the first member being rotatably fixed to the second member; wherein the at least one idler member is free to rotate relative to the first member and the second member until the first abutment of the first member abuts the third abutment of the at least one idler member and until the second abutment of the second member abuts the fourth abutment of the at least one idler member; and wherein the first member, the second member and the at least one idler member all rotate relative to each other about a single axis. ### Claim 17 (depends on 16) The medical device assembly of claim 16, wherein: the medical device is a camera. ### Claim 18 (depends on 16) The medical device assembly of claim 16, wherein: the medical device is a monitor. ### Claim 19 (depends on 16) The medical device assembly of claim 16, wherein: the medical device is a shelving system. ### Claim 20 (depends on 16) The medical device assembly of claim 16, wherein: the at least one idler member has a center opening. ### Claim 21 (depends on 20) The medical device assembly of claim 20, wherein: the at least one conduit extends through the center opening of the at least one idler member. ### Claim 22 (depends on 16) The medical device assembly of claim 16, wherein: the at least one idler member comprises a plurality of idler members. ### Claim 23 (depends on 16) The medical device assembly of claim 16, wherein: the at least one idler member comprises a flat disc with an open center in a middle thereof, a flat top surface and a flat bottom surface; the third abutment extends axially from the flat top surface of the flat disc; and the fourth abutment extends axially from the flat bottom surface of the flat disc. ### Claim 24 (depends on 16) The medical device assembly of claim 16, wherein: the at least one idler member comprises a flat disc with an open center in a middle thereof, a top surface and a bottom surface; the third abutment rests in a top arcuate channel in the top surface of the flat disc and extends axially from the top surface of the flat disc; the third abutment is configured to slide angularly within the top arcuate channel; the fourth abutment rests in a bottom arcuate channel in the bottom surface of the flat disc and extends axially from the bottom surface of the flat disc; the fourth abutment is configured to slide angularly within the bottom arcuate channel; at least one top damping member abuts a radial face of the third abutment to damp movement of the third abutment within the top arcuate channel; and at least one bottom damping member abuts a radial face of the fourth abutment to damp movement of the fourth abutment within the bottom arcuate channel. ### Claim 25 (depends on 16) The medical device assembly of claim 16, wherein: the at least one idler member is disc-shaped. ### Claim 26 (depends on 16) The medical device assembly of claim 16, wherein: the at least one idler member comprises a ring with a cylindrical outer face and a T-shaped member extending radially from the cylindrical outer face; the T-shaped member comprising the third abutment on a leg thereof and the fourth abutment on a cross-member thereof. ### Claim 27 (depends on 16) The medical device assembly of claim 16, wherein: the at least one conduit comprises electrical cabling. ### Claim 28 (depends on 16) The medical device assembly of claim 16, wherein: the at least one conduit comprises gas hoses. ### Claim 29 A medical device assembly comprising: a first member being interconnected to a building structural element, the first member having a first abutment; a second member rotatably connected to the first member, the second member having a free end movable relative to the building structural element, the second member having a second abutment; at least one idler member having a third abutment and a fourth abutment; and at least one conduit extending through the first member and the second member; the first member being rotatably fixed to the second member; the at least one idler member being free to move in a circular path and relative to the first member and the second member, the at least one idler member being free to move in the circular path until the first abutment of the first member abuts the third abutment of the at least one idler member and until the second abutment of the second member abuts the fourth abutment of the at least one idler member; and wherein the first member, the second member and the at least one idler member all move relative to each other and about a single axis. ### Claim 30 (depends on 29) The medical device assembly of claim 29, wherein: the at least one idler member is disc-shaped. ### Claim 31 (depends on 30) The medical device assembly of claim 30, wherein: the at least one idler member has a center opening. ### Claim 32 (depends on 31) The medical device assembly of claim 31, wherein: the at least one conduit extends through the center opening of the at least one idler member. ### Claim 33 (depends on 29) The medical device assembly of claim 29, wherein: the first member is able to rotate relative to the second member at a maximum angular displacement that is greater than 360°. ### Claim 34 (depends on 29) The medical device assembly of claim 29, wherein: the at least one idler member comprises a flat disc with an open center in a middle thereof, a flat top surface and a flat bottom surface; the third abutment extends axially from the flat top surface of the flat disc; and the fourth abutment extends axially from the flat bottom surface of the flat disc. ### Claim 35 (depends on 29) The medical device assembly of claim 29, wherein: the at least one idler member comprises a flat disc with an open center in a middle thereof, a top surface and a bottom surface; the third abutment rests in a top arcuate channel in the top surface of the flat disc and extends axially from the top surface of the flat disc; the third abutment is configured to slide angularly within the top arcuate channel; the fourth abutment rests in a bottom arcuate channel in the bottom surface of the flat disc and extends axially from the bottom surface of the flat disc; the fourth abutment is configured to slide angularly within the bottom arcuate channel; at least one top damping member abuts a radial face of the third abutment to damp movement of the third abutment within the top arcuate channel; and at least one bottom damping member abuts a radial face of the fourth abutment to damp movement of the fourth abutment within the bottom arcuate channel. ### Claim 36 (depends on 29) The medical device assembly of claim 29, wherein: the at least one idler member comprises a ring with a cylindrical outer face and a T-shaped member extending radially from the cylindrical outer face; the T-shaped member comprising the third abutment on a leg thereof and the fourth abutment on a cross-member thereof. ### Claim 37 A medical device assembly comprising: a first member being interconnected to a fixed structure, the first member having a first abutment; a second member rotatably connected to the first member, the second member having a free end movable relative to the fixed structure, the second member having a second abutment; at least one idler member having a third abutment and a fourth abutment; and at least one conduit extending through the first member and the second member; the first member being rotatably fixed to the second member; the at least one idler member being free to move in a circular path and relative to the first member and the second member, the at least one idler member being free to move in the circular path until the first abutment of the first member abuts the third abutment of the at least one idler member and until the second abutment of the second member abuts the fourth abutment of the at least one idler member; wherein the first member, the second member and the at least one idler member all move relative to each other and about a single axis; and wherein the at least one conduit comprises at least one gas hose. ### Claim 38 (depends on 29) The medical device assembly of claim 29, wherein: the second member comprises a service head having electrical outlets. ### Claim 39 (depends on 29) The medical device assembly of claim 29, wherein: the second member comprises a shelf system. ### Claim 40 A medical device assembly comprising: a hub being fixed to a ceiling; at least two arm assemblies rotatably connected to the hub; a first rotatable joint being located between the hub and the at least two arm assemblies, the at least two arm assemblies rotating about the hub at the first rotatable joint; a second rotatable joint being located between each arm assembly of the at least two arm assemblies; a medical device being connected to a movable end of the at least two arm assemblies at a connection joint, the movable end being opposite to the first rotatable joint; at least one of the first rotatable joint, the second rotatable joint and the connection joint including a greater than 360° joint connection; the greater than 360° joint connection includes: a first member having a first abutment; a second member rotatably connected to the first member, the second member having a second abutment; at least one idler member having a third abutment and a fourth abutment; and at least one conduit extending through the first member and the second member; the first member being rotatably fixed to the second member; wherein the at least one idler member is free to move in a circular path and relative to the first member and the second member, the at least one idler member being free to move in the circular path until the first abutment of the first member abuts the third abutment of the at least one idler member and until the second abutment of the second member abuts the fourth abutment of the at least one idler member; and wherein the first member, the second member and the at least one idler member all move relative to each other and about a single axis. ### Claim 41 (depends on 40) The medical device assembly of claim 40, wherein: the at least one idler member is disc-shaped. ### Claim 42 (depends on 41) The medical device assembly of claim 41, wherein: the at least one idler member has a center opening. ### Claim 43 (depends on 42) The medical device assembly of claim 42, wherein: the at least one conduit extends through the center opening of the at least one idler member. ### Claim 44 (depends on 40) The medical device assembly of claim 40, wherein: the at least one idler member comprises a flat disc with an open center in a middle thereof, a flat top surface and a flat bottom surface; the third abutment extends axially from the flat top surface of the flat disc; and the fourth abutment extends axially from the flat bottom surface of the flat disc. ### Claim 45 (depends on 40) The medical device assembly of claim 40, wherein: the at least one idler member comprises a flat disc with an open center in a middle thereof, a top surface and a bottom surface; the third abutment rests in a top arcuate channel in the top surface of the flat disc and extends axially from the top surface of the flat disc; the third abutment is configured to slide angularly within the top arcuate channel; the fourth abutment rests in a bottom arcuate channel in the bottom surface of the flat disc and extends axially from the bottom surface of the flat disc; the fourth abutment is configured to slide angularly within the bottom arcuate channel; at least one top damping member abuts a radial face of the third abutment to damp movement of the third abutment within the top arcuate channel; and at least one bottom damping member abuts a radial face of the fourth abutment to damp movement of the fourth abutment within the bottom arcuate channel. ### Claim 46 (depends on 40) The medical device assembly of claim 40, wherein: the at least one conduit comprises at least one gas hose. ### Claim 47 (depends on 40) The medical device assembly of claim 40, wherein: the medical device comprises a service head having electrical outlets. ### Claim 48 (depends on 40) The medical device assembly of claim 40, wherein: the medical device comprises a shelf system.