System and method for inter-arm registration
Granted: September 10, 2024
Patent Number:
12082887
Systems and methods for inter-arm registration include a computer-assisted system having a control unit coupled to a repositionable arm of a computer-assisted device. The control unit is configured to: receive, from an imaging device, successive images of an instrument mounted to the repositionable arm; determine an observed velocity of a feature of the instrument; determine an expected velocity of the feature of the instrument based on kinematics of the repositionable arm; transform the…
Systems and methods of steerable elongate device
Granted: September 10, 2024
Patent Number:
12082793
A method comprises deploying a tool to a passageway exit site through a lumen of a flexible elongate device. The flexible elongate device comprises a proximal end, a distal end, and the lumen therebetween, and the tool comprises a needle. The method further comprises puncturing a passageway wall at the passageway exit site with the needle. The method further comprises deploying the needle through the passageway wall and through target tissue at a target location beyond the passageway…
Method for positioning an endoscope with flexible shaft
Granted: September 10, 2024
Patent Number:
12082780
Systems and methods for endoscopic operations are described. For example, the disclosure provides mechanisms for sensing and controlling a field of view of an endoscope by determining a pose of the field of view using a first location and a second location, and controlling the pose of the field of view by moving at least one of: the first portion and the second portion. The first location is of a first portion of the endoscope and the second location is of a second portion of the…
Systems and methods for adaptive input mapping
Granted: September 3, 2024
Patent Number:
12076103
A medical instrument system includes a control system and an operator input device coupled to an instrument including a sensor. The control system includes a processor and memory comprising instructions that cause the control system to: determine a distance between a distal tip of the instrument and an anatomical area based on sensor data; determine a motion scaling parameter based on the distance; receive an input instruction from the operator input device; map the input instruction to…
Connector device for a controllable instrument
Granted: September 3, 2024
Patent Number:
12076102
A medical instrument may comprise a first articulatable segment having a first diameter, and a second articulatable segment having a second diameter smaller than the first diameter, wherein the second articulatable segment is coupled to the first articulatable segment and extends in a distal direction past the first articulatable segment. The instrument may also comprise a first force transmission element coupled to the first articulatable segment and extending in a proximal direction…
Imaging cannula with a hinged tip
Granted: September 3, 2024
Patent Number:
12076044
A surgical cannula includes a camera disposed at the distal end to permit visualization of tissue. A hinge pivotably couples the camera to the cannula and permits the camera to pivot from a first position at the distal end of the cannula to a second position different than the first position at the distal end of the cannula. Some implementations include a pointed distal tip that carries the camera. Some implementations include two cameras posed back to back.
Rotary input for lever actuation
Granted: September 3, 2024
Patent Number:
12076038
A medical device includes a lever with an applied force position, a load position, and a fulcrum position. A first cable extends from the applied force position of the lever to a first capstan, the first cable wrapping around the first capstan. A second cable extends from the applied force position of the lever to a second capstan, the second cable wrapping around the second capstan. A rod couples the load position of the lever and a surgical end effector. The first and second capstans…
Telescoping biopsy needle
Granted: September 3, 2024
Patent Number:
12075988
A medical device comprises an elongate sheath comprising a distal portion and a proximal portion and defining a first lumen. The medical device further comprises an elongate instrument slidably disposed at least partially within the first lumen. The elongate instrument comprises a rigid distal section defining a second lumen. The medical device further comprises a first extension member coupled to a proximal end of the elongate instrument and a second extension member coupled to a…
Interaction between user-interface and master controller
Granted: August 27, 2024
Patent Number:
12073013
A method is provided to control actuation of a click event by a hand-actuated selector moveably mounted to a mount structure, comprising: in a first control state, imparting a maintaining force to the hand-actuated selector; in a second control state, imparting a haptic force to the hand-actuated selector that increases as a function of increasing displacement of the hand-actuated selector from the neutral displacement position; imparting a click event signal to cause an occurrence of…
Detecting and representing anatomical features of an anatomical structure
Granted: August 20, 2024
Patent Number:
12067678
An exemplary processing system accesses a three-dimensional (3D) model of an anatomical structure of a patient and applies a detection process to the 3D model to detect a single-layer anatomical feature in the anatomical structure. The detection process includes generating, from the 3D model, a probability map of candidate points for the single-layer anatomical feature, and generating, based on the probability map of candidate points, a single-layer mesh representing the single-layer…
System and method for monitoring control points during reactive motion
Granted: August 20, 2024
Patent Number:
12064201
Techniques for monitoring control points of a computer-assisted device include one or more articulated arms having one or more control points and a control unit coupled to the one or more articulated arms. Each control point of the one or more control points is located based on a kinematic configuration of the one or more articulated arms. The control unit is configured to determine, during a movement of a table that causes a change in the kinematic configuration of the one or more…
System and methods for positioning a manipulator arm by clutching within a null-perpendicular space concurrent with null-space movement
Granted: August 20, 2024
Patent Number:
12064197
Devices, systems, and methods for positioning an end effector or remote center of a manipulator arm by floating a first set of joints within a null-perpendicular joint velocity sub-space and providing a desired state or movement of a proximal portion of a manipulator arm concurrent with end effector positioning by driving a second set of joints within a null-space orthogonal to the null-perpendicular space. Methods include floating a first set of joints within a null-perpendicular space…
Stapler cartridge assemblies and related devices, systems, and methods
Granted: August 20, 2024
Patent Number:
12064110
A stapler reload assembly includes a cartridge body defining a housing to receive staples. The cartridge body has a first side comprising a plurality of staple apertures configured to eject staples housed in the cartridge body. The cartridge body has a second side, opposite the first side, comprising a plurality of pusher apertures through which staple pushers of the cartridge body are accessible. A staple retainer is removably coupled to the first side of the cartridge body and at least…
Systems and methods for automatic grip adjustment during energy delivery
Granted: August 13, 2024
Patent Number:
12059311
Systems and methods for grip adjustment during energy delivery include an instrument comprising an end effector having a first jaw and a second jaw. Each of the first jaw and the second jaw have a corresponding electrode, The systems and methods further include one or more control units configured to actuate the end effector to grip a material, determine whether a force or torque limit of the actuation is above a first threshold, in response to determining that the force or torque limit…
Guide apparatus for delivery of a flexible instrument and methods of use
Granted: August 13, 2024
Patent Number:
12059223
A medical apparatus for guiding an elongated flexible instrument includes an elongated support assembly having a longitudinal axis. The elongated support assembly is adapted to laterally receive into engagement and longitudinally support the elongated flexible instrument. The elongated support assembly includes a guide channel configured to laterally receive the elongated flexible instrument, a fastener configured to laterally receive a mating fastener component of the elongated flexible…
Torque compensation
Granted: August 13, 2024
Patent Number:
12059152
In some embodiments, torque compensation in a clamping instrument includes control electronics obtaining an initial torque limit for the clamping instrument, adjusting the initial torque limit based on a temperature of a motor assembly used to operate the clamping instrument, and clamping the clamping instrument according to the adjusted torque limit. The adjusted torque limit corresponds to a maximum torque that may be applied by the clamping instrument to perform the clamping. In some…
Surgical instrument with flexible shaft and actuation element guide
Granted: August 13, 2024
Patent Number:
12059137
A surgical instrument includes a shaft, a force transmission mechanism disposed at a first end of the shaft, an end effector disposed at a second end of the shaft, an actuation element that extends along the shaft from the force transmission mechanism to the end effector, and an actuation element guide extending along the shaft. The actuation element guide defines a lumen in which the actuation element guide is received. The actuation element guide is compressed into a pre-compressed…
Surgical cannula mounts and related systems and methods
Granted: August 6, 2024
Patent Number:
12053252
A cannula mount for a surgical system includes a body configured to receive a portion of a cannula in a mounted state at the cannula mount; a pair of clamping components coupled to the body and configured to clamp the portion of the cannula in the mounted state of the cannula; and a latch assembly pivotably coupled to the body and slidably coupled to a clamping component of the pair of clamping components. At least one of the pair of clamping components is pivotable relative to the body…
System and method for variable velocity instrument
Granted: August 6, 2024
Patent Number:
12053179
A system and method of variable velocity control of an instrument by a computer-assisted device includes a computer-assisted device that includes an actuator and one or more processors. To perform an operation with an instrument coupled to the computer-assisted device, the one or more processors are configured to set a velocity set point of the actuator to an initial velocity, monitor force or torque applied by the actuator to actuate the instrument, when the applied force or torque is…
Cable drive limited slip capstan and shaft
Granted: July 30, 2024
Patent Number:
12048504
Capstan slip-stop shoulders limit relative rotation of capstans: a drive is shaft rotatably inserted within first and second axially aligned annular capstans, the first capstan including a first tooth extending parallel to the drive shaft in a first direction, the second capstan including a second tooth extending parallel to the drive shaft in a second direction opposite the first direction, the first tooth including first and second circumferentially spaced first tooth slip-stop…
