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2847 results about "Two degrees of freedom" patented technology
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The 2 degrees of freedom refers to the robot not just the attachment. This is just to make sure the robot has some complexity. 2 degrees of freedom can be forward, backward and turning. If you use two motors you have two degrees of freedom. LEGO is capable of three degrees of freedom because it has three output ports.
Robotic surgical system for performing minimally invasive medical procedures
ActiveUS8506555B2Level of manoeuvrabilityAccurate feedbackProgramme-controlled manipulatorDiagnosticsAccelerometerWrist support
Owner:EURO ATOMIC ENERGY COMMUNITY (EURATOM)
Surgical tool with a two degree of freedom wrist
ActiveUS8852174B2Amount of maneuverabilityShorten the lengthYielding couplingDiagnosticsDrive shaftAngular degrees
Surgical tools having a two degree-of-freedom wrist, wrist articulation by linked tension members, mechanisms for transmitting torque through an angle, and minimally invasive surgical tools incorporating these features are disclosed. An elongate intermediate wrist member is pivotally coupled with a distal end of an instrument shaft so as to rotate about a first axis transverse to the shaft, and an end effector body is pivotally coupled with the intermediate member so as to rotate about a second axis that is transverse to the first axis. Linked tension members interact with attachment features to articulate the wrist. A torque-transmitting mechanism includes a coupling member, coupling pins, a drive shaft, and a driven shaft. The drive shaft is coupled with the driven shaft so as to control the relative orientations of the drive shaft, the coupling member, and the driven shaft.
Owner:INTUITIVE SURGICAL OPERATIONS INC
Device for fixation of spinous processes
A fixation device for use in association with ALIF procedures includes a couple of spaced plates having integral spikes on facing surfaces thereof for pressing into spinal processes of adjacent vertebrae. One of the plates has a spherical socket which captures a spherical head end of a post whose other end is received through an aperture in the other plate. The socket mounting is arranged to enable the post to pivot therein for at least two degrees of freedom to a limited extent, enabling angulation between the two plates so as to accommodate the different thicknesses and orientations of the spinal processes on adjacent vertebrae. The reception of the post in the second plate enables adjustment of spacing between the plates to accommodate effective installation of the assembly on the spinal processes by a compression instrument, and permanent reliable maintenance of that spacing following removal of the compression instrument. The cross-sectional configuration of the post and a receiver aperture in the plate inhibits rotation of the plate relative to the post about the post axis, and a set screw in the apertured plate engages a flat on the post fixing the inter-plate space as adjusted.
Owner:WARSAW ORTHOPEDIC INC
Wrist articulation by linked tension members
ActiveUS9259275B2Amount of maneuverabilityShorten the lengthDiagnosticsSurgical manipulatorsDrive shaftEngineering
Owner:INTUITIVE SURGICAL OPERATIONS INC
Double universal joint
InactiveUS20110118708A1Amount of maneuverabilityShorten the lengthDiagnosticsSurgical manipulatorsDrive shaftUniversal joint
Surgical tools having a two degree-of-freedom wrist, wrist articulation by linked tension members, mechanisms for transmitting torque through an angle, and minimally invasive surgical tools incorporating these features are disclosed. An elongate intermediate wrist member is pivotally coupled with a distal end of an instrument shaft so as to rotate about a first axis transverse to the shaft, and an end effector body is pivotally coupled with the intermediate member so as to rotate about a second axis that is transverse to the first axis. Linked tension members interact with attachment features to articulate the wrist. A torque-transmitting mechanism includes a coupling member, coupling pins, a drive shaft, and a driven shaft. The drive shaft is coupled with the driven shaft so as to control the relative orientations of the drive shaft, the coupling member, and the driven shaft.
Owner:INTUITIVE SURGICAL OPERATIONS INC
Haptic metering for minimally invasive medical procedures
InactiveUS20070103437A1Need be addressDiagnosticsSurgical needlesHaptic sensationTwo degrees of freedom
A method of providing spatially metered haptic sensations to a user includes detecting motion of a surgical instrument within two degrees of freedom; repeatedly determining whether the surgical instrument has moved by an incremental distance in a particular direction with respect to some portion of a patient's body; and imparting a discrete haptic sensation upon a user each time it is determined that the surgical instrument has moved by the incremental distance in a particular direction.
Owner:OUTLAND RES
Method and system for planning/guiding alterations to a bone
A computer-assisted surgery system for planning / guiding alterations to a bone in surgery, comprises a trackable member adapted to be secured to the bone. The trackable member has a first inertial sensor unit producing orientation-based data for at least two degrees of freedom in orientation of the trackable member A positioning block is adapted to be secured to the bone, with at least an orientation of the positioning block being adjustable once the positioning block is secured to the bone to reach a selected orientation at which the positioning block is used to guide tools in altering the bone. The positioning block has a second inertial sensor unit producing orientation-based data for at least two degrees of freedom in orientation of the positioning block. A processing system providing an orientation reference associating the bone to the trackable member comprises a signal interpreter for determining an orientation of the trackable member and of the positioning block from the orientation-based data. A parameter calculator calculates alteration parameters related to an actual orientation of the positioning block with respect to the bone as a function of the orientation reference and of the orientation of the positioning block.
Owner:ORTHOSOFT ULC
Method and system for planning/guiding alterations to a bone
A computer-assisted surgery system for planning / guiding alterations to a bone in surgery, comprises a trackable member adapted to be secured to the bone. The trackable member has a first inertial sensor unit producing orientation-based data for at least two degrees of freedom in orientation of the trackable member A positioning block is adapted to be secured to the bone, with at least an orientation of the positioning block being adjustable once the positioning block is secured to the bone to reach a selected orientation at which the positioning block is used to guide tools in altering the bone. The positioning block has a second inertial sensor unit producing orientation-based data for at least two degrees of freedom in orientation of the positioning block. A processing system providing an orientation reference associating the bone to the trackable member comprises a signal interpreter for determining an orientation of the trackable member and of the positioning block from the orientation-based data. A parameter calculator calculates alteration parameters related to an actual orientation of the positioning block with respect to the bone as a function of the orientation reference and of the orientation of the positioning block.
Owner:ORTHOSOFT ULC
Physically realistic computer simulation of medical procedures
InactiveUS7215326B2Improve reliabilityReduce fatigueProgramme controlMedical simulationElectricityThree degrees of freedom
An apparatus for interfacing the movement of a shaft with a computer includes a support, a gimbal mechanism having two degrees of freedom, and three electromechanical transducers. When a shaft is engaged with the gimbal mechanism, it can move with three degrees of freedom in a spherical coordinate space, where each degree of freedom is sensed by one of the three transducers. A fourth transducer can be used to sense rotation of the shaft around an axis. The method includes the steps of defining an origin in 3-dimensional space, physically constraining a shaft in the 3-dimensional space such that a portion of the shaft always intersects the origin and such that a portion of the shaft extending beyond the origin defines a radius in a spherical coordinate system, transducing a first electrical signal related to a first angular coordinate of the radius with a first transducer, transducing a second electrical signal related to a second angular coordinate with a second transducer, transducing a third electrical signal related to the length of the radius with a third transducer, and coupling the transducers to a computer.
Owner:IMMERSION CORPORATION
Method and apparatus for insertion of an elongate pin into a surface
A trajectory structure is configured for contact with a surface to dictate an insertion trajectory of a pin relative to the surface. A location structure is configured to allow longitudinal passage of at least a portion of the pin therethrough to dictate an insertion location of the pin relative to the surface. An elongate handling rod is connected to the trajectory structure and the location structure. The handling rod supports the trajectory structure and the location structure for manipulation by a user. The handling rod spaces the trajectory structure and the location structure longitudinally apart. The trajectory structure is connected to the handling rod for trajectory adjustment in at least two degrees of freedom relative to the handling rod. The insertion trajectory of the pin insertion is substantially dependent upon the trajectory adjustment. A method for inserting an elongate guide pin into a bone surface is also provided.
Owner:THE CLEVELAND CLINIC FOUND
5 degrees of freedom mobile robot
A robotic system that includes a remote controlled robot with at least five degrees of freedom and a teleconferencing function. The robot may include a camera, a monitor and a holonomic platform all attached to a robot housing. The robot may be controlled by a remote control station that also has a camera and a monitor. The remote control station may be linked to a base station that is wirelessly coupled to the robot. The cameras and monitors allow a care giver at the remote location to monitor and care for a patient through the robot. The holonomic platform provides three degrees of freedom to allow the robot to move about a home or facility to locate and / or follow a patient. The robot also has mechanisms to provide at least two degrees of freedom for the camera.
Owner:JONATA SUB TWO INC +1
Surgical tool with a two degree of freedom wrist
ActiveUS20110118709A1Control tensionAmount of maneuverabilityYielding couplingDiagnosticsEngineeringMechanical engineering
Surgical tools having a two degree-of-freedom wrist, wrist articulation by linked tension members, mechanisms for transmitting torque through an angle, and minimally invasive surgical tools incorporating these features are disclosed. An elongate intermediate wrist member is pivotally coupled with a distal end of an instrument shaft so as to rotate about a first axis transverse to the shaft, and an end effector body is pivotally coupled with the intermediate member so as to rotate about a second axis that is transverse to the first axis. Linked tension members interact with attachment features to articulate the wrist. A torque-transmitting mechanism includes a coupling member, coupling pins, a drive shaft, and a driven shaft. The drive shaft is coupled with the driven shaft so as to control the relative orientations of the drive shaft, the coupling member, and the driven shaft.
Owner:INTUITIVE SURGICAL OPERATIONS INC
Intelligent, self-contained robotic hand
A robotic device has a base and at least one finger having at least two links that are connected in series on rotary joints with at least two degrees of freedom. A brushless motor and an associated controller are located at each joint to produce a rotational movement of a link. Wires for electrical power and communication serially connect the controllers in a distributed control network. A network operating controller coordinates the operation of the network, including power distribution. At least one, but more typically two to five, wires interconnect all the controllers through one or more joints. Motor sensors and external world sensors monitor operating parameters of the robotic hand. The electrical signal output of the sensors can be input anywhere on the distributed control network. V-grooves on the robotic hand locate objects precisely and assist in gripping. The hand is sealed, immersible and has electrical connections through the rotary joints for anodizing in a single dunk without masking. In various forms, this intelligent, self-contained, dexterous hand, or combinations of such hands, can perform a wide variety of object gripping and manipulating tasks, as well as locomotion and combinations of locomotion and gripping.
Owner:BARRETT TECH LLC
Steerable needle
InactiveUS20040133168A1Improved level of guidanceEasy to detectElectrotherapyInfusion syringesNeedle guidanceCannula tip
The invention relates to a needle guidance system provided by a needle with a steerable tip. The needle has a cannula and a stylet. The stylet adjacent to its tip has a naturally curved portion The stylet is movable in two degrees of freedom with respect to the cannula-axial translation and axial rotation with respect to the cannula axis. When extended, the stylet curves off-axis and provides cannula tip steering. Driving and / or steering systems may be provided to the orientation and relatively move the stylet.
Owner:SALCUDEAN SEPTIMIU E +3
Intervertebral disk prosthesis
An intervertebral disk prosthesis includes a first part, and the first part has a top, a bottom having an opening, an outer surface, an inner surface and a socket extending into an interior of the first part from the opening and defined by the inner surface. The outer surface proximate the top contacts a concave portion of a first vertebra. The disk prosthesis further includes a second part including a top, a bottom, and an outer surface. The outer surface proximate the bottom contacts a concave portion of a second vertebra, and the outer surface of the second part proximate the top of the second part cooperatively engages the inner surface of the first part thereby allowing at least two-degrees of freedom of movement.
Owner:SPINAL ELEMENTS INC
Internal osteotomy fixation device
InactiveUS6852113B2Flexibility in initially fittingLow profileInternal osteosythesisJoint implantsImplanted deviceConstant stress
An internal osteotomy fixation apparatus is provided. The device comprises a distal plate including a channel. A slide is slidably received within the channel such that the slide is translatable with respect to the distal plate along a first axis. A proximal plate is hingedly connected to the slide, such that the proximal plate has two degrees of freedom relative to the distal plate. A ledge protruding from a first portion of the proximal plate is configured to support a proximal bone segment when the device is implanted. The slide includes ratchet teeth. A ratchet arm including teeth is attached to the distal plate, and configured to engage the slide ratchet teeth. A cross-section of the ratchet arm is configured to maintain a constant stress level along a flexed portion of the arm. The distal plate includes a shelf upon which the ratchet arm rests. Compressive loads borne by the device are translated through the shelf to the distal plate. A minimum length of the device is related to the longer of the ratchet arm or the segment of teeth on the slide. The distal plate includes a hole through which a release mechanism is accessible.
Owner:ORTHOPAEDIC DESIGNS
Surgical instrument with a universal wrist
InactiveUS7121781B2Programme-controlled manipulatorMechanical apparatusOperative instrumentDegrees of freedom
A robotically controlled endoscopic medical instrument that includes an end effector coupled to a wrist. The wrist provides two separate degrees of freedom about the same pivot point. The end effector can be moved and actuated by pins. The pins allow for a compact minimally invasive medical instrument that has a wrist with two degrees of freedom.
Owner:INTUITIVE SURGICAL OPERATIONS INC
Method and apparatus for insertion of an elongate pin into a surface
A trajectory structure is configured for contact with a surface to dictate an insertion trajectory of a pin relative to the surface. A location structure is configured to allow longitudinal passage of at least a portion of the pin therethrough to dictate an insertion location of the pin relative to the surface. An elongate handling rod is connected to the trajectory structure and the location structure. The handling rod supports the trajectory structure and the location structure for manipulation by a user. The handling rod spaces the trajectory structure and the location structure longitudinally apart. The trajectory structure is connected to the handling rod for trajectory adjustment in at least two degrees of freedom relative to the handling rod. The insertion trajectory of the pin insertion is substantially dependent upon the trajectory adjustment. A method for inserting an elongate guide pin into a bone surface is also provided.
Owner:THE CLEVELAND CLINIC FOUND
Drill assistance kit for implant hole in a bone structure
InactiveUS20110238071A1Improve general conditionOvercomes drawbackBoring toolsProsthesisBone structureAnatomic Site
The present invention provides a kit for bone surgery comprising a chirurgical drill and a base frame for positioning of said drill on an anatomical part of a patient. The base frame comprises at least one guiding tube with a cylindrical inner surface of predetermined diameter and also comprises a longitudinal cutout for direct view of the drilling site. The kit further comprises a burr-ring with a cylindrical outer surface of predetermined diameter arranged to be placed around the chirurgical drill. The diameter of the cylindrical outer surface of the burr-ring is slightly less than the diameter of the cylindrical inner surface of the guiding tube such that the burr-ring and the guiding tube are at most in a two-degree of freedom relationship along the longitudinal axis of the guiding tube when the burr-ring is engaged in the guiding tube. The invention also provides a bone surgery method using the kit.
Owner:POSITDENTAL
Manipulator
InactiveUS20060229666A1Improve rigidityShorten speedSurgical forcepsManipulatorTwo degrees of freedom
There is provided a manipulator simplified in maintenance and operation thereof, the manipulator having the freedom of two-degree-of-freedom of rotation and gripping, and being capable of ensuring force feedback or force sensation with excellent operationability. A link mechanism 3 is provided between an operating part 1 and a working part 2. The link mechanism 3 comprises four driving rods 3a to 3d and first and second coupling members of the same structure, 41, 42 provided at opposite ends of the driving rods. First and second working members 2a, 2b move correspondingly to operations of first and second operating members 1a, 1b with the aid of the link mechanism 3. For example, provided that the first and second operating members 1a, 1b might be opened and closed, the first and second working members 2a, 2b might be opened and closed (gripping). And also, provided that the first and second operating members 1a, 1b are changed in their yaw angles, the working members 2a, 2b are also correspondingly changed in their yaw angle. Similarly, once the first and second operating members 1a, 1b are changed in their pitch angles, the working members 2a, 2b might be also correspondingly changed in their pitch angles.
Owner:KEIO UNIV
Electronic Device with a User Interface that has more than Two Degrees of Freedom, the User Interface Comprising a Touch-Sensitive Surface and Contact-Free Detection Means
ActiveUS20130147833A1Low costLittle has been producedCathode-ray tube indicatorsInput/output processes for data processingContact freeUser input
The invention relates to an electronic device for determining a first positional information and a second positional information regarding a user input object, such as at least one user hand or at least one stylus, the electronic device comprising: a touch-sensitive surface; contact-free detection means; and controller means that are operatively connected to the touch-sensitive surface and to the contact-free detection means; wherein the first positional information depends on where the user input object contacts the touch-sensitive surface, and wherein the second positional information depends on the spatial configuration of the user input object with regard to the touch-sensitive surface, characterized in that the controller means are adapted for simultaneously and / or alternately determining the first positional information via the touch-sensitive surface and the second positional information via the contact free detection means.
Owner:MICROCHIP TECH GERMANY II
Coordinate measurement machine
A portable coordinate measurement machine having three articulating arm transfer members can provide accurate measurements. The transfer members can be single tube assemblies. The transfer members can each be rotatably joined by relatively short articulating joint assemblies allowing relative rotation of adjacent transfer members about two degrees of freedom. Encoders can be used to measure the relative rotation about each of the degrees of freedom, and signals from the encoders can be digitized by processor boards positioned within the transfer members. Processor boards can be placed in tandem in the transfer members, and one or more of the processor boards can be mounted on a rotatable assembly. Slip rings can electrically couple all of the processor boards to allow for infinite rotatability of the articulating arm.
Owner:HEXAGON TECH CENT GMBH
Hand controller and wrist device
InactiveUS20050183532A1Zero backlashEasy to measureMechanical apparatusJointsWorkspaceSingularity free
A compact four degrees of freedom parallel mechanism suitable for use as a hand control or wrist is provided that has backdrivability, is singularity free and has a large workspace and a large force reflecting capability. The structure is light but rigid, and the electric actuators are all placed on the ground or base and provide independent control of each degree of freedom. Each degree of freedom is connected to an actuator either directly or through a cable drive system. The first two degrees of freedom are created by two identical pantographs pivoted together on pivoted joints to define a hemispherical motion of an object (end point) about a center point (hemisphere center). The third and fourth degrees of freedom represent rotation and sliding motions of the object around and along the radius of the created hemisphere, respectively. The axes of these latter degrees of freedom are concentric, and these axes intersect with the axis of the pantographs pivoted joints at the hemispheric center.
Owner:UNIVERSITY OF MANITOBA
Wearable lower limb exoskeleton device
InactiveCN101589983AImprove consistencySmall coaxialityWalking aidsInvalid friendly devicesHuman bodyKnee Joint
The invention discloses a wearable lower limb exoskeleton device, which comprises a waist supporting frame, a waist object carrier, an adjustable hip mechanism, a connecting rod adjustable knee joint mechanism, a connecting rod adjustable ankle joint mechanism, pressure detection shoes, a leg connecting rod, a constraint part and various connecting pieces. Both lower limbs have twelve rotational freedoms, the single lower limb has six degrees of freedom respectively, a hip has two degrees of freedom which finish bending and stretching as well as adduction and abduction movements of a hip joint, two joint axes always intersects at the center of the hip joint of a human body through the adjustment of the hip mechanism, and a knee joint has one degree of freedom which is coaxial with the knee joint of the human body and corresponds to the bending and stretching movement of the knee joint of the human body; and an ankle joint has three degrees of freedom. The device has good consistency of the movement of the hip joint and the movement of the human body during the walking of people; human-machine knee joints have small coaxality and position deviation; and the ankle joint has a compact structure. The device can be used for strengthening the abilities of walking with load and walking for a long time of wearers and detecting walking information of the wearers, and can also be used for helping people with slight obstacle of lower limb movement to normally walk and gradually rehabilitate.
Owner:BEIJING UNIV OF TECH
System and method for augmentation of endoscopic surgery
InactiveUS20090048611A1Accurate displayAccurately obtainedProgramme controlProgramme-controlled manipulatorEndoscopic surgeryEngineering
A robotic device for use in surgery includes a first surgical instrument having a proximal end, a distal end, and a shaft extending therebetween, the distal end of the first instrument and adjacent shaft being insertable distally into a first incision; a first manipulator movably supporting the first instrument; a plurality of motorized drives coupled to the manipulator; an input device having an input movable in two degrees of freedom; and a computer coupling the input device to the motorized drives so that the motorized drives effect a motion of the first surgical instrument in response to movement of the input, a center of the motion located along the shaft at the incision when the first instrument is used during surgery.
Owner:IBM CORP
Virtual ankle and balance trainer system
InactiveUS20110256983A1Improving reciprocal motion controlIncrease speedFreely-suspended gymnasticsChiropractic devicesTouch PerceptionAnkle
A rehabilitation system that combines robotics and interactive gaming to facilitate performance of task-specific, repetitive exercise to enable individuals undergoing rehabilitation to improve the performance of coordinated movements of the ankle, and to practice balance activities, is disclosed. More specifically, the rehabilitation system includes at least one two degree-of-freedom robotic, haptic interface for a mammalian foot and interactive gaming hardware that is coupled to a controller, to provide a virtual reality-like environment.
Owner:NORTHEASTERN UNIV
Robotic System for Laparoscopic Surgery
It comprises a supporting structure in which at least one arm is slidably attached. Each arm comprises first and second members hinged to each other. The first member is rotatably hinged to the supporting structure and it can be rotated about a longitudinal axis and the second member may receive a joint having at least two degrees of freedom for attaching a tool. The longitudinal axis of the first member is substantially perpendicular to an axis joining the first member and the second member to each other. A simplified architecture is obtained allowing for accurate and efficient spatial movement of the tool holding arm.
Owner:UNIV POLITECNICA DE CATALUNYA
Wrist articulation by linked tension members
ActiveUS20110118707A1Amount of maneuverabilityShorten the lengthDiagnosticsSurgical manipulatorsDrive shaftEngineering
Surgical tools having a two degree-of-freedom wrist, wrist articulation by linked tension members, mechanisms for transmitting torque through an angle, and minimally invasive surgical tools incorporating these features are disclosed. An elongate intermediate wrist member is pivotally coupled with a distal end of an instrument shaft so as to rotate about a first axis transverse to the shaft, and an end effector body is pivotally coupled with the intermediate member so as to rotate about a second axis that is transverse to the first axis. Linked tension members interact with attachment features to articulate the wrist. A torque-transmitting mechanism includes a coupling member, coupling pins, a drive shaft, and a driven shaft. The drive shaft is coupled with the driven shaft so as to control the relative orientations of the drive shaft, the coupling member, and the driven shaft.
Owner:INTUITIVE SURGICAL OPERATIONS INC
Indoor mobile robot positioning system and method based on two-dimensional code
ActiveCN102735235ASolve the speed problemFix the angle problemNavigation instrumentsCommunication interfaceImaging processing
The present invention relates to an indoor mobile robot positioning system and method based on two-dimensional code. The system includes a two-dimensional code positioning controller mounted on a mobile robot, a two-dimensional code acquisition device and a two-dimensional code label distributed in the indoor environment. The two-dimensional code positioning controller is composed of a microprocessor and a communication interface that are connected together. The microprocessor is connected with the two-dimensional code acquisition device through the communication interface and is used for controlling the two-dimensional code acquisition device to acquire two-dimensional code images, receive the two-dimensional code images acquired by the two-dimensional code image acquisition device and realize precise positioning function. The method acquires an actual position of the mobile robot through photographing the indoor two-dimensional code labels, transforming coordinates and mapping code values. The method of the invention organically combines visual positioning technique, two-dimensional code positioning technology and two degree of freedom measuring technology to realize the function of precise positioning of the mobile robot and solve problems of complex image processing and inaccurate positioning of a traditional vision positioning system.
Owner:爱泊科技(海南)有限公司
Robot for large-format, three dimensional digital printing on a fixed surface and printing method involving at least one such robot
InactiveUS20070062383A1Avoid couplingAdditive manufacturing apparatusDuplicating/marking methodsThree degrees of freedomEngineering
The invention concerns a print robot for large format three-dimensional printing on a fixed surface ( 11 ) having five motorized axes, comprising an inkjet printing block ( 13 ), means for displacing and orientating this printing assembly along several axes, at least one control unit controlling these means and a drying device to dry the ink sprayed onto said surface ( 11 ), wherein these means comprise: a carrier ( 15 ) with three degrees of freedom in translation, ensuring the positioning of the printing assembly allowing its horizontal, vertical and depth translation, a wrist ( 16 ) with two degrees of freedom which supports and orientates the printing assembly ( 13 ) allowing its rotations along two perpendicular axes. The invention also concerns a process implementing this robot.
Owner:CENT NAT DE LA RECHERCHE SCI +1
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