A surgical robot includes: a plurality of manipulator arms; a platform to which the plurality of manipulator arms are coupled; a positioner configured to change the position and posture of the platform; a controller configured to control the positioner; and a user interface. The user interface includes: first manipulation tools each configured to receive an input of manipulation which selects one of a plurality of operating modes for changing the position and posture of the platform; and a single second manipulation tool configured to receive an input of manipulation information regarding the position and posture. The controller generates a command regarding the position and posture of the platform based on the acquired manipulation information and the selected operating mode and operates the positioner based on the generated command.

A robot includes a first joint member, a second joint member connecting a second arm member and a third arm member, a third joint member connecting the third arm member and a flange, a first link having one end connected to the second joint member and another end connected to the third joint member, a second link having one end connected to the second joint member, a counter weight connected to another end of the second link and the first joint member, and including a motor rotating the third arm member, on a side opposite to the first joint member with the other end of the second link as a base point, and a transmission member transmitting rotating force generated by the motor to the third arm member through the first joint member, the second arm member, and the second joint member.

In examples, a robotic medical system comprises a link of a robotic arm and a processor configured to control movement of the link based on a received input; determine a distance between the link and another object during the movement; and, responsive to the distance being within a threshold, adjust the movement of the link to avoid a collision between the link and the another object.

The disclosure relates to a lower limb structure, comprising: a hip joint assembly comprising a hip joint support, a hip joint driver fixed to the hip joint support, and a hip joint transmission handle driven by the hip joint driver; a thigh rod connected to the hip joint transmission handle and driven by the hip joint driver; a knee joint assembly comprising a knee joint fixing base, a knee joint driver fixed on the knee joint fixing base, and a knee joint transmission handle driven by the knee joint driver, wherein the knee joint fixing base comprises a sleeve and a connector which is connected to the knee joint driver, and the sleeve is slidably fixed on the thigh rod along an extension direction of the thigh rod; and a lower leg rod connected to the knee joint transmission handle and driven by the knee joint driver, wherein the thigh rod does not coincide with a line connecting centers of the hip joint driver and the knee joint driver, such that a movement range of the knee joint on the thigh rod regulator is larger. The disclosure also relates to an exoskeleton robot having the lower limb structure.

A force transmission transmits forces received by three levers to an input gimbal plate having three support points. The input gimbal play may in turn transmit the force to a wrist assembly coupled to a surgical tool. The three axes of rotation for the three levers are parallel. Two of the levers may have half-cylinder surfaces at an end of the lever to receive a support point of the input gimbal plate. Two of the levers may be supported with one degree of rotational freedom orthogonal to the axis of rotation of the fulcrum. A spring may draw the second and third levers toward one another. Two levers may have stops that bear against the support points. The force transmission may include a parallelogram linkage that includes a rocker link pivotally coupled to the first lever and having a flat surface that supports the first gimbal support point.

A robot leg assembly including a hip joint and an upper leg member. A proximal end portion of the upper leg member rotatably coupled to the hip joint. The robot leg assembly including a knee joint rotatably coupled to a distal end portion of the upper leg member, a lower leg member rotatably coupled to the knee joint, a linear actuator disposed on the upper leg member and defining a motion axis, and a motor coupled to the linear actuator and a linkage coupled to the translation stage and to the lower leg member. The linear actuator includes a translation stage moveable along the motion axis to translate rotational motion of the motor to linear motion of the translation stage along the motion axis, which moves the linkage to rotate the lower leg member relative to the upper leg member at the knee joint.

An extension tool includes a plurality of sequentially arranged links moveable to a first position, the plurality of sequentially arranged links rigidly fixed to one another in the first position, the plurality of sequentially arranged links defining a first passage and a second passage, the second passage being separate from the first passage when the plurality of sequentially arranged links are rigidly fixed to one another.

A drive system includes a linear actuator with a drive shaft and having an actuation axis extending along a length of the linear actuator. A motor assembly of the drive system couples to drive shaft and is configured to rotate the drive shaft about the actuation axis of the linear actuator. The drive system further includes a nut attached to the drive shaft and a carrier housing the nut. A linkage system of the drive system extends from a proximal end away from the motor assembly to a distal end. The proximal end of the linkage system rotatably attaches to the carrier at a first proximal attachment location where the first proximal attachment location offset is from the actuation axis. The drive system also includes an output link rotatably coupled to the distal end of the linkage system where the output link is offset from the actuation axis.

Provided is a support structure comprising a link member (a rod-like member), a clamp member disposed to surround the link member, and an elastic member disposed between the link member and the clamp member, the support structure supports the link member inside the clamp member via the elastic member, and the elastic member comprises a liquid impermeable material, and fills a space between the link member and the clamp member.

A robot includes: links, connected in series to a base via joints; actuators, driving the joints to relatively displace a corresponding pair of links connected to each other; control devices, distributedly arranged in the base and the links and controlling the actuators; a communication cable, comprising an optical fiber connecting the control devices to each other and transmitting information; and light amount measurement devices, measuring the amount of light of an optical signal transmitted to the control devices via the communication cable. Each control device monitors the amount of light measured by the light amount measurement device corresponding thereto, and determines a state of the communication cable corresponding thereto based on the amount of light.