A61B1/043

METHODS AND SYSTEMS FOR GENERATING SIMULATED INTRAOPERATIVE IMAGING DATA OF A SUBJECT
20230081866 · 2023-03-16 · ·

The present disclosure relates generally to medical imaging, and more specifically to machine-learning techniques to generate intraoperative fluorescence images of a subject (e.g., to aid a surgery, to aid diagnosis and treatment of diseases). The system can receive an intraoperative white light image of the subject, input the intraoperative white light image of the subject into a generator of a trained generative adversarial network (GAN) model trained. In some examples, the GAN model is trained using a plurality of training image pairs, and each training image pair comprises an intraoperative white light training image and an intraoperative fluorescence training image of a same tissue. The system can obtain, from the generator, the generated intraoperative fluorescence image of the subject and display, on a display, the generated intraoperative fluorescence image of the subject.

Medical control device and medical observation system using a different wavelength band than that of fluorescence of an observation target to control autofocus

A medical control device includes circuitry configured to: control an autofocus operation on a captured image from an observation target illuminated with excitation light of a first wavelength band and a pattern image of a second wavelength band, the observation target fluorescing in response to the excitation light to output light in a third wavelength band. The captured image includes light components in the first to third wavelengths bands, of which the second and third wavelength bands are different. The autofocus operation is controlled by calculating, based on the pattern image of the second wavelength band in the captured image, an evaluation value used in an autofocus process that controls a focus position of an imaging device configured to generate the captured image.

Imaging device and electronic apparatus

The present technology relates to an imaging device and an electronic apparatus capable of adjusting a focus position and an image stabilization position with high accuracy. There are provided a lens that converges object light, an imaging element that photoelectrically converts the object light received from the lens, a circuit base that includes a circuit configured to output a signal received from the imaging element to an outside, an actuator that drives the lens with a PWM (Pulse Width Modulation) waveform in at least either one of an X-axis direction and a Y-axis direction, and plural detection units that are so disposed as to face plural first coils included in the actuator, and detect magnetic fields generated by the first coils. The present technology is applicable to an imaging device.

OFFSET ILLUMINATION OF A SCENE USING MULTIPLE EMITTERS IN A HYPERSPECTRAL, FLUORESCENCE, AND LASER MAPPING IMAGING SYSTEM

Offset illumination using multiple emitters in a fluorescence imaging system is described. A system includes an emitter for emitting pulses of electromagnetic radiation and an image sensor comprising a pixel array for sensing reflected electromagnetic radiation. The emitter comprises a first emitter and a second emitter for emitting different wavelengths of electromagnetic radiation. The system is such that at least a portion of the pulses of electromagnetic radiation emitted by the emitter comprises one or more of a hyperspectral emission, a fluorescence emission, and/or a laser mapping pattern.

Devices Utilizing Fluorescent Enhancement Theragnosis Technology
20230071207 · 2023-03-09 ·

A plurality of devices that provide examination/diagnosis and/or treatment benefits to a patient are presented. The device including a plurality of light sources that provide for the emission of light in a plurality of wavelength ranges, wherein the plurality of light sources are activated by a sensor, configured to determine a proximity of the device to a patient, to control an application of a voltage to selected one of the plurality of light sources for a predetermined time period.

LASER COMBINATION WITH IN VIVO TARGET FEEDBACK ANALYSIS
20230131637 · 2023-04-27 ·

A laser can be controlled based on different tissue compositions, such as in real time. After a first time period, a first composition of a in vivo target site can be identified. Based on the first composition, a plurality of lasers can be controlled to emit light at a first wavelength where controlling includes activating a first combination of the plurality of lasers. After a second time period, a second composition of the in vivo target site different from the first composition can be identified. Based on the second composition, a plurality of lasers can be controlled to emit light at a second wavelength, such as can include activating a second combination of the plurality of lasers. The first combination of the plurality of lasers can be different from the second combination of the plurality of lasers.

UTERINE MANIPULATOR CONTROL WITH PRESENTATION OF CRITICAL STRUCTURES
20230075988 · 2023-03-09 ·

A system includes a uterine manipulator having a shaft. The uterine manipulator is coupled with the robotic arm. An imaging instrument is operable to provide an image of an exterior of the uterus of the patient. A console includes a display screen and is configured to provide a view from the imaging instrument of the exterior of the uterus of the patient, on the display screen. The console is further configured to provide an indicator on the view from the imaging instrument, on the display screen, the indicator indicating a location of a predefined anatomical structure, the indicator being provided as an overlay on the predefined anatomical structure.

Compact Robotic Endoscope
20230128303 · 2023-04-27 ·

A medical endoscope that has a reusable portion to which either of two different single-use portions can be snapped in by hand to thereby form two different assembled endoscopes. When one of the single-use portions is assembled with the reusable portion, a motor in the reusable portion robotically rotates a cannula about a proximal end of the single use portion. When the other single-use portion is assembled with the reusable portion, the motor robotically angulates the distal end of the cannula. Another medical endoscope is single-use in its entirety and has motor-driven angulation of the cannula's distal end. Another has manually controlled angulation.

Image processing system, fluorescent endoscopic illuminated imaging apparatus and imaging method

An imaging method of a fluorescent image performs image processing before generating colored-fluorescent images, including steps: respectively imaging the red, green and blue lights of the white light on three monochromatic sensors under the precondition that the software processing speed is not affected; imaging the near infrared fluorescent light on one of the monochromatic sensors; determining whether the sensor used to receive the near infrared fluorescent light receives the fluorescent signal; calculating the light intensity received by the sensor receiving the fluorescent signal and the light intensities received by the other two sensors; automatically adjusting the projection intensity of the white light source and/or the excitation light source according to the difference of the intensities of the two types of light signals, whereby a closed-loop system is formed to simultaneously present the colored-florescent images on a picture with the best contrast.

Image pickup system, endoscope system, and image pickup gain setting method
11596290 · 2023-03-07 · ·

An image pickup system includes an image pickup device including an image pickup section, a first amplifier circuit capable of amplifying a video signal for each field, and a communication circuit configured to acquire a set gain of the first amplifier circuit, a second amplifier circuit configured to amplify the video signal outputted from the image pickup device, and a processor. According to a result of a detection indicating that the video signal is not amplified by the set gain in the first amplifier circuit, a correction gain to be set in the second amplifier circuit is calculated.