A61B90/361

Minimally invasive no touch (MINT) procedure for harvesting the great saphenous vein (GSV) and venous hydrodissector and retractor for use during the mint procedure

A hydrodissector for hydrodissecting a vascular target, the hydrodissector comprising: a handle; a shaft extending from the handle at an angle and including a tip at a distal end thereof; at least one port provided at the tip and configured to be coupled to a fluid supply and to eject fluid from the at least one port into the space between the vascular target and surrounding tissues to dissect the vascular target from the surrounding tissues, the at least one port being sized to provide sufficient pressure and velocity to dissect the vascular target from the surrounding tissues, wherein the length of the shaft is configured for insertion into an incision to atraumatically hydrodissect the vascular target from the surrounding tissues, and wherein the shaft is configured to releasably couple with one or more hook-shaped attachments configured to lift the vascular target after the vascular target is dissected from the surrounding tissues.

System and methods for correcting image data of distinct images and generating and stereoscopic three-dimensional images
11546569 · 2023-01-03 · ·

An optical imaging system for imaging a target during a medical procedure, the optical imaging system involving a first camera for capturing a first image of the target, a second wide-field camera for capturing a second image of the target, at least one optional path folding mirror disposed in an optical path between the target and a lens of the second camera, and a processor for receiving the first image and the second image, the processor configured to apply an image transform to one of the first image and the second wide-field image and combine the transformed image with the other one of the images to produce a stereoscopic image of the target.

METHOD, APPARATUS AND SYSTEM FOR CONTROLLING AN IMAGE CAPTURE DEVICE DURING SURGERY

A system for controlling a medical image capture device during surgery is provided, the system including circuitry configured to acquire first image data from the medical image capture device, the first image data being of an appearance of a surgical scene at a first instance of time; determine, based on a predicted appearance of the surgical scene based on the first image data at a second instance of time after the first instance of time, one or more desired image capture properties of the medical image capture device; and control the medical image capture device at a third instance of time, the third instance of time being between the first instance of time and the second instance of time, in accordance with the one or more desired image capture properties of the medical image capture device.

HYBRID MULTI-CAMERA TRACKING FOR COMPUTER-GUIDED SURGICAL NAVIGATION
20220409287 · 2022-12-29 · ·

The invention relates to a camera system for surgical navigation systems including a plurality of cameras mounted in a room. At least three cameras are mounted in the room which are operated in at least two different modes. In the first mode at least a subset of the cameras is operated to determine the position of markers and in a second mode at least a subset of the cameras is operated to determine the position of surfaces of the room.

METHOD AND SYSTEM FOR REPRODUCING AN INSERTION POINT FOR A MEDICAL INSTRUMENT
20220409290 · 2022-12-29 ·

The invention relates to a method for displaying an injection point for a medical instrument. The method comprises the following steps: Providing at least one marker on a surface of an object, with such marker exhibiting the property that it can be recorded both tomographically, in particular fluoroscopically, and also optically; Generating tomographic image data that can be used to reconstruct a fluoroscopic image of the at least one marker, located on the surface of the object, together with the object; Determining the insertion point for the medical instrument on the surface of the object relative to the at least one marker in the coordinate system of the tomographic image data; Generating visual image data that can be used to reconstruct a visual image of the at least one marker, located on the surface of the object, together with the object; Transforming the coordinate of the insertion point in the coordinate system of the tomographic image data into the coordinate system of the visual image data using the relative position of the insertion point to the at least one marker; and Displaying the insertion point for the medical instrument in real time in a view of the object.

SYSTEMS AND METHODS FOR GUIDING AN ULTRASOUND PROBE
20220409292 · 2022-12-29 ·

An ultrasound device (10) includes a probe (12) including a tube (14) sized for insertion into a patient and an ultrasound transducer (18) disposed at a distal end (16) of the tube. A camera (20) is mounted at the distal end of the tube in a fixed spatial relationship to the ultrasound transducer. At least one electronic processor (28) is programmed to: control the ultrasound transducer and the camera to acquire ultrasound images (19) and camera images (21) respectively while the ultrasound transducer is disposed in vivo inside the patient; and construct a keyframe (36) representative of an in vivo position of the ultrasound transducer including at least ultrasound image features (38) extracted from at least one of the ultrasound images acquired at the in vivo position of the ultrasound transducer and camera image features (40) extracted from one of the camera images acquired at the in vivo position of the ultrasound transducer.

SYSTEMS AND METHODS FOR IDENTIFYING AND FACILITATING AN INTENDED INTERACTION WITH A TARGET OBJECT IN A SURGICAL SPACE

An exemplary system includes a memory storing instructions and a processor communicatively coupled to the memory. The processor may be configured to execute the instructions to: detect an intent of a user of a computer-assisted surgical system to use a robotic instrument attached to the computer-assisted surgical system to interact with a target object while the target object is located in a surgical space; determine a pose of the target object in the surgical space; and perform, based on the detected intent of the user to interact with the target object and the determined pose of the target object in the surgical space, an operation with respect to the target object.

SYSTEMS AND METHODS FOR TELESTRATION WITH SPATIAL MEMORY
20220409324 · 2022-12-29 ·

An exemplary system is configured to detect user input directing a telestration element to be drawn within an image depicting a surface within a scene; render, based on depth data representative of a depth map for the scene and within a three dimensional (3D) image depicting the surface within the scene, the telestration element; record a 3D position within the scene at which the telestration element is rendered within the 3D image; detect a telestration termination event that removes the telestration element from being rendered within the 3D image; and indicate, subsequent to the telestration termination event, an option to again render the telestration element at the 3D position.

Diagnosis and Treatment Integrated Soft Medical Robot for Gastrointestinal Endoscopy

The disclosure provides a diagnosis and treatment integrated soft medical robot for gastrointestinal endoscopy, including a robot body, a camera, illumination devices, a flexible dielectric elastomer actuator, air cylinders, linear motors, a controller and external hoses. Wherein the robot body is a multichannel hose, and includes a central channel and circumferential channels, the central channel is configured to accommodate conducting wires and signal wires, the circumferential channels include at least three microfluid channels. The front end of each microfluid channels is a sealed end, a rear end of each of the microfluid channels is an open end. The open end of each microfluid channels communicates with an end opening of a flow channel of one air cylinder. The linear motors control fluid pressures in the microfluid channels by driving piston rods of the air cylinders so that the robot body steers through being driven by fluid. The camera performs real-time image acquisition. The controller controls the flexible dielectric elastomer actuator to capture a target. The disclosure realizes the real-time image acquisition on a digestive tract, particularly a lesion, and can integrally and fast complete diagnosis and treatment.

PRESENTATION DEVICE FOR DISPLAYING A GRAPHICAL PRESENTATION OF AN AUGMENTED REALITY
20220409283 · 2022-12-29 ·

A presentation device for displaying a graphical presentation of an augmented reality is disclosed. The presentation device includes a recording unit, a first display unit, and a processing unit. The recording unit is configured to capture a relative positioning of the first display unit in respect of a presentation area and capture a second set of graphical information. The processing unit is configured to generate an augmented reality based on a received dataset, supply a graphical presentation of the augmented reality by virtual mapping to the presentation area, and adjust the augmented reality and/or the graphical presentation thereof as a function of the second set of graphical information. The first display unit is at least partially transparent and is configured to display the graphical presentation of the augmented reality.