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US 2026/0083485 A1Published application
Torque transfer mechanisms
AssigneeNuVasive Specialized Orthopedics, Inc.
InventorsNathan Meyer, Jorge Lopez Camacho, Woong Kim, Robert Patterson, Dalton Jennings, Gabriel Buenviaje, Shanbao Cheng
Life of this patent
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Abstract
Implantable medical devices are disclosed herein, having a biocompatible housing; a driver of rotational motion; a receiver of rotational motion; and an interface configured to transfer torque from the driver to the receiver. In various embodiments, the interface comprises magnetic, mechanical, or magnetic and mechanical elements for transferring torque.
Claims21
An implant comprising:
- a biocompatible housing;
- a driver;
- a receiver;
- and
- an interface configured to transfer torque from the driver to the receiver, the interface comprising:
- a first magnetic member rotationally fixed to the driver, wherein the first magnetic member comprises a dipole magnet, and a rotation of the driver is configured to cause a rotation of the first magnetic member;
- and
- a second magnetic member rotationally fixed to the receiver, wherein a rotation of the second magnetic member is configured to cause a rotation of the receiver,
- wherein the first magnetic member is configured to attract the second magnetic member, and the second magnetic member is configured to rotate in response to a rotation of the first magnetic member.
6 more elements
An implant comprising:
- a biocompatible housing;
- a driver;
- a receiver;
- and
- an interface configured to transfer torque from the driver to the receiver, the interface comprising:
- a receptacle disposed on an end of the driver, and configured to accommodate an end portion of the receiver therein;
- a first receptacle groove and a second receptacle groove, each disposed on an annular inner side wall of the receptacle;
- a first receiver groove and a second receiver groove, each disposed on a radially outer surface of the end portion of the receiver,
- wherein, when the end portion of the receiver is disposed within the receptacle, the first receptacle groove and the first receiver groove mate to form a first annular space, and the second receptacle groove and the second receiver groove mate to form a second annular space;
- a first toroidal spring disposed in the first annular space, canted in a first direction;
- a second toroidal spring disposed in the second annular space, canted in a second direction, opposite the first direction.
8 more elements
An implant comprising:
- a biocompatible housing;
- a driver;
- a receiver;
- and
- an interface configured to transfer torque from the driver to the receiver, the interface comprising:
- a first member rotationally fixed to the driver, wherein a rotation of the driver is configured to cause a rotation of the first member;
- and
- a second member rotationally fixed to the receiver, wherein a rotation of the second member is configured to cause a rotation of the receiver,
- wherein the second member is configured to rotate in response to a rotation of the first member.
6 more elements
Dependencies are inferred from the claim text.