Reduction of endoscope high frequency leakage current using a common-mode choke
Granted: February 25, 2025
Patent Number:
12232694
A method of operating an imaging system includes reducing common-mode current induced on a cable connected between an imaging system and an endoscope by utilizing a common-mode choke between the cable and a circuit within the endoscope, the common-mode choke being mounted within a body of the endoscope.
Optical fiber with microgratings for increased measurable strain range
Granted: February 25, 2025
Patent Number:
12235138
An optical fiber with one or more microgratings is disclosed. Methods and apparatus are described for making an optical fiber with one or more microgratings. Methods and apparatus are described for an optical fiber with one or more microgratings. Optical sensing methods and an optical sensing system effectively decouple strain range from the laser tuning range, permit the use of a smaller tuning range without sacrificing strain range, and compensate for ambiguity in phase measurements…
Methods and apparatus to determine a shape of an optical fiber sensor
Granted: February 25, 2025
Patent Number:
12235095
To sense the shape of a multicore optical fiber sensor, light reflected in a center and two or more helixed outer cores of the optical fiber sensor is measured, and phases associated with strain in the center and helixed outer cores is tracked along the length of the fiber sensor. Further, a wobble signal indicative of a variation in the spin rate of the fiber sensor is determined. Based on the tracked phases and the wobble signal, the fiber shape is computed.
Surgical instrument steering inputs
Granted: February 25, 2025
Patent Number:
12232840
A surgical instrument includes an input device supported by a housing and coupled to a shaft. The input device comprises a drive shaft comprising a first bore, a capstan comprising a second bore, and a set screw coupling the capstan to the drive shaft. The set screw extends through at least a portion of the first bore of the drive shaft and the second bore of the capstan. The first bore of the drive shaft and the set screw are in threaded engagement with each other.
Systems and methods for master/tool registration and control for intuitive motion
Granted: February 25, 2025
Patent Number:
12232837
A robotic system comprises an input device movable by an operator and a processing unit. An operator reference frame is defined relative to the operator. The processing unit is configured to present, to the operator, a first image of a first tool captured by an imaging device, receive, from the operator, a first indication that a first axis of the input device is aligned with a corresponding axis of the first tool in the first image, and in response to the first indication, determine a…
Systems and methods for robotic medical system integration with external imaging
Granted: February 25, 2025
Patent Number:
12232835
A medical robotic system and method of operating such comprises taking intraoperative external image data of a patient anatomy, and using that image data to generate a modeling adjustment for a control system of the medical robotic system (e.g., updating anatomic model and/or refining instrument registration), and/or adjust a procedure control aspect (e.g., regulating substance or therapy delivery, improving targeting, and/or tracking performance).
System and method for integrated surgical table
Granted: February 25, 2025
Patent Number:
12232834
Integrated table motion includes a computer-assisted device. The computer-assisted device includes articulating means; means for receiving, via a means for communicatively coupling the computer-assisted device with a table means, a table movement request from a table command means, the table means being separate from the computer-assisted device; means for determining whether the table movement request should be allowed; and means for allowing the table means to perform the table…
Rotating assistant port
Granted: February 25, 2025
Patent Number:
12232832
Embodiments of a rotating assistant port device are presented. The assistant port device can be utilized to provide for additional assistant instruments in single port robotic surgery. In some embodiments, the assistant port device can be utilized for skin retraction during single port teleoperated robotic surgery.
Systems and methods for operating an end effector
Granted: February 25, 2025
Patent Number:
12232829
Systems and methods for operating an end effector include an end effector for grasping a material, a drive system coupled to the end effector, a user interface, and a processor. The processor is configured to actuate the drive system to clamp the material using the end effector and in response to detecting successful clamping of the material, display a timer on the user interface. The timer provides an indication of when conditions will be safe to proceed with stapling of the material…
Cannula seal assembly
Granted: February 25, 2025
Patent Number:
12232769
Gas-tight seal assemblies for use during minimally invasive surgery include various aspects. A wiper seal includes a sealing portion and a surrounding flex portion. Upper and lower faces of the sealing portions are angled with reference to an inserted instrument, the upper face's angle being more acute with reference to the instrument's shaft than the lower face's angle. The flex portion is corrugated, support ribs are in one or more corrugation grooves, and the support ribs allow the…
Multi-function imaging
Granted: February 18, 2025
Patent Number:
12231786
An example method includes causing an illuminator to simultaneously illuminate tissue with a first visible color illumination component, a second visible color illumination component, and a fluorescence excitation illumination component; and causing a display unit to display, based on the illumination, a display scene that includes: a reduced color scene component corresponding to the first and second visible color illumination components, and a highlighted scene component corresponding…
Simulation model for laparoscopic foregut surgery
Granted: February 18, 2025
Patent Number:
12230162
A surgeon training apparatus includes a cassette, which includes biological tissue re-purposed into a form consistent with the anatomical configuration of a foregut, affixed into an anatomically correct framework which replicates the abdominal anatomy. The framework positions the cassette in an anatomically correct position within the abdominal cavity, enabling surgeons to train using a properly positioned representation of the target anatomy, thus requiring the surgeon to properly use…
Modified animal organs for use in surgical simulators
Granted: February 18, 2025
Patent Number:
12230161
Modified animal tissues, organs, and organ systems for use in simulated surgical procedures are disclosed. The tissues, organs, and/or organ systems can be modified by enhancing their electrical conductivity, by including simulated contents mimicking what would normally be present in live animals, and by having fake blood perfusing through them. Portions of different tissues, organs, or organ systems, which can be from the same or different animals, can be adhered to provide…
System and method for motion mode management
Granted: February 18, 2025
Patent Number:
12229349
Techniques for motion mode management include a computer-assisted device having an input control, a repositionable structure, and a controller coupled to the input control and the repositionable structure. The controller is configured to detect motion of the input control for teleoperating the repositionable structure and in response to determining that the motion of the input control includes a component of motion used to change a mode of operation of the computer-assisted device,…
Overlapping fiber gratings
Granted: February 18, 2025
Patent Number:
12228434
Described are optical fibers, e.g., for use in stress-sensing or shape-sensing applications, that use overlapping grating configurations with chirped gratings to facilitate strain delay registration. In accordance with various embodiments, a fiber core may, for instance, have two overlapping sets of chirped gratings that differ in the direction of the chirp between the first and second sets, or a set of chirped gratings overlapping with a single-frequency grating. Also described are…
Systems and methods for registration of multiple vision systems
Granted: February 18, 2025
Patent Number:
12226202
A system comprises a processor and a memory storing computer-readable instructions that, when executed by the processor, cause the system to: define a subregion of a model of an anatomic region, the subregion including a plurality of virtual tissue structures and corresponding to an area surrounding a tip of an image capture probe located within the anatomic region; compare a tissue structure in an image received from the image capture probe to at least a portion of virtual tissue…
System and method for maintaining a tool position and orientation
Granted: February 18, 2025
Patent Number:
12226179
Techniques for maintaining instrument position and orientation include a computer-assisted device having an articulated structure and a control unit. The articulated structure includes a plurality of joints and is configured to support an instrument. The control unit is configured to determine a reference frame based on a type of a disturbance that causes a movement of a first joint of the plurality of joints; determine, in the reference frame, a first change to the instrument due to the…
Systems and methods for identifying differentiated blood vessels and registering imaging data from different imaging modalities based on subsurface image scanning
Granted: February 18, 2025
Patent Number:
12226072
An exemplary image registration system identifies a subsurface structure at a surgical site based on subsurface imaging data from a subsurface image scan at the surgical site. The image registration system uses the identified subsurface structure at the surgical site for a registration of endoscopic imaging data from an endoscopic imaging modality with additional imaging data from an additional imaging modality. Corresponding systems and methods are also disclosed.
Camera control systems and methods for a computer-assisted surgical system
Granted: February 11, 2025
Patent Number:
12220181
A camera control system may access surgical session data for a surgical session, the surgical session including performance of one or more operations by a computer-assisted surgical system. The camera control system may identify, based on the surgical session data, an event associated with the surgical session, and may determine, based on the surgical session data, a location associated with the event. In response to the determination of the location of the event, the camera control…
Flexible medical instrument
Granted: February 11, 2025
Patent Number:
12220194
A medical system including a flexible instrument such as a lung catheter or bronchoscope provides a control mode in which direct manual control of insertion can be used with computer-assisted control of instrument characteristics such as the orientation or rigidity of a portion of the instrument. To facilitate manual insertion control, a mechanism can provide low inertia and friction for movement along an insertion axis. One implementation employs a manual grip of the instrument for…
