A61B2017/00725

SYSTEMS AND METHODS FOR LASER PULSE MONITORING AND CALIBRATION

A medical laser system for outputting laser pulses includes at least one laser cavity configured to generate at least one laser pulse, a rotating mirror configured to receive and reflect the at least one laser pulse, a beam splitter configured to receive and reflect a portion of the at least one laser pulse received from the rotating mirror, an energy-sensing device configured to detect the portion of the at least one laser pulse, an energy measurement assembly configured to generate a feedback signal based on the portion of the at least one laser pulse detected by the energy-sensing device, and a controller configured to generate an electronic control pulse based on the feedback signal received from the energy measurement assembly to generate at least one adjusted laser pulse.

PH sensitive surgical tool

Embodiments include methods, systems, and apparatus for identification, detection, and removal of cancerous cells from a patient. The apparatus includes an apparatus handle. The apparatus also includes a display including a pH measurement result. The apparatus also includes an apparatus tip including a reference electrode and a plurality of sensing surfaces, wherein each of the plurality of sensing surfaces is connected to a base of a bipolar junction transistor (BJT) device. The BJT device further includes a collector and an emitter. The apparatus also includes automation circuitry including a processing unit in communication with the apparatus tip and the display. The plurality of sensing surfaces includes a conducting material.

Method for producing a surgical instrument comprising a smart electrical system

A method for producing a surgical instrument is disclosed. The method comprises obtaining a handle, wherein the handle comprises a distal end comprising a shaft interface surface and a first set of magnetic elements. The method further comprises obtaining a shaft, wherein the shaft comprises a proximal end comprising a handle interface surface, a second set of magnetic elements, and a third set of magnetic elements. The method further comprises attaching the shaft to the handle, wherein the shaft interface surface is configured to engage the shaft at the handle interface surface, wherein an attractive magnetic force is configured to pull the handle towards the shaft when the first set of magnetic elements interact with the second magnetic elements, and wherein a repulsive magnetic force is configured to repel the handle from the shaft when the first set of magnetic elements interacts with the third set of magnetic elements.

Ear-nose-throat (ENT) navigable shaver with ferromagnetic components
11510692 · 2022-11-29 · ·

A system includes a medical probe and a position-tracking system. The medical probe includes a distal end, and one or more distal magnetic position sensors. The medical probe further includes a proximal-end assembly, and one or more proximal magnetic position sensors. The position-tracking system includes a memory, which is configured to hold values indicative of known relative positions between the distal magnetic position sensors and the proximal magnetic position sensors. The position-tracking system includes a processor, which is configured to receive one or more signals indicative of estimated positions of the proximal magnetic position sensors and of the distal magnetic position sensors, as measured by the position-tracking system, and to initiate a responsive action in response to detecting a discrepancy between the known relative positions and the estimated positions.

Sparse calibration of magnetic field created by coils in metal-rich environment

A calibration method includes receiving magnetic field values, which are generated by a plurality of real magnetic transmitters and are measured at multiple positions on a grid in a region containing a magnetic field perturbing element. Approximate locations of the real magnetic transmitters are received. Using the approximate locations, a respective plurality of imaginary magnetic sources is characterized inside the field perturbing element. Using the measured magnetic field values, the approximate locations, and the characterized imaginary sources, there are iteratively calculated (i) actual locations of the real and imaginary magnetic sources in the region, and (ii) modeled magnetic field values that would result from the real and imaginary magnetic sources at the actual locations. Using the calculated locations, and the modeled magnetic field values at the multiple positions on the grid, a magnetic field calibration function is derived for the region.

SMART CARTRIDGE WAKE UP OPERATION AND DATA RETENTION

An electronic system for a surgical instrument is disclosed. The electronic system comprises a main power supply circuit configured to supply electrical power to a primary circuit. A supplementary power supply circuit configured to supply electrical power to a secondary circuit. A short circuit protection circuit coupled between the main power supply circuit and the supplementary power supply circuit. The supplementary power supply circuit is configured to isolate itself from the main power supply circuit when the supplementary power supply circuit detects a short circuit condition at the secondary circuit. The supplementary power supply circuit is configured to rejoin the main power supply circuit and supply power to the secondary circuit, when the short circuit condition is remedied.

Method of hub communication with surgical instrument systems

A method for adjusting the operation of a surgical suturing instrument using machine learning in a surgical suite is disclosed. The method comprises gathering data during surgical procedures, wherein the surgical procedures include the use of a surgical suturing instrument comprising a suturing needle configured to be mechanically advanced through a suturing stroke, analyzing the gathered data to determine an appropriate operational adjustment of the surgical suturing instrument, and adjusting the operation of the surgical suturing instrument to improve the operation of the surgical suturing instrument.

SYSTEMS AND METHODS FOR LIMB ALIGNMENT
20230059247 · 2023-02-23 ·

The present invention provides, in certain embodiments, a device for determining the tibial mechanical axis and the femoral mechanical axis. The present invention also provides a surgical orientation device, a reference device, and/or a module configured to track the mechanical axes during movement to facilitate limb alignment. The present invention further provides the surgical orientation device, the reference device, and/or the module configured to determine a gap measurement.

METHOD FOR CREATING A CAMERA MODEL FOR A CAMERA OF A SURGICAL MICROSCOPE, AND ARRANGEMENT HAVING A SURGICAL MICROSCOPE
20220368884 · 2022-11-17 ·

A method for creating a camera model for a camera of a surgical microscope includes positioning a calibration object in an initial pose in an observation region of the camera, determining a pose delta for reaching a first pose for the calibration object in a measurement space of the camera starting from the initial pose, positioning the calibration object in the first pose in accordance with the determined pose delta, making a recording of the calibration object in the first pose with the camera, positioning the calibration object in at least one further pose, making a recording of the calibration object in the at least one further pose, and creating a camera model based on the recordings made, the first pose and the at least one further pose being chosen with a distribution in the measurement space such that a camera model is obtained which represents the entire measurement space.

APPARATUSES AND METHODS FOR SETTING POSITION OF A SHEATH IN A SCOPE
20220361902 · 2022-11-17 ·

Devices and methods for setting position of a medical tool within an endoscope. In an illustrative embodiment, a device includes a housing that is configured to be connectable to a distal end of a scope and a sheath stop component that is configured to limit distal movement of a sheath received within the scope.