公开(公告)号：US20220414914A1

公开(公告)日：2022-12-29

申请号：US17781272

申请日：2020-12-14

Applicant: Intuitive Surgical Operations, Inc.

Inventor： Pourya Shirazian ,  Mahdi Azizian ,  A. Jonathan McLeod ,  Azad Shademan

IPC: G06T7/62 ,  G06T15/06 ,  G06T7/593

Abstract: An exemplary tissue volume detection system accesses, during a surgical procedure involving resecting a piece of tissue from a body, a plurality of depth datasets for the resected piece of tissue. Each of the plurality of depth datasets is captured as a different portion of a surface of the resected piece of tissue is presented to an imaging device by an instrument that holds the resected piece of tissue in a manner that sequentially presents the different portions of the surface to the imaging device. During the surgical procedure and based on the depth datasets, the system generates a three-dimensional (3D) occupancy map that includes a set of voxels identified to be occupied by the resected piece of tissue. Based on the 3D occupancy map and still during the surgical procedure, the system determines an estimated volume of the resected piece of tissue. Corresponding systems and methods are also disclosed.

公开(公告)号：US20220361952A1

公开(公告)日：2022-11-17

申请号：US17762518

申请日：2020-10-05

Applicant: Intuitive Surgical Operations, Inc.

Inventor： Azad Shademan ,  Mahdi Azizian ,  Daniel Proksch ,  Pourya Shirazian

IPC: A61B34/10 ,  A61B34/32 ,  A61B34/00 ,  A61B5/107 ,  G06T7/50 ,  G06T7/11 ,  G06T19/00 ,  G06T19/20 ,  G16H20/40

Abstract: An exemplary system is configured to obtain anatomical characteristic data representative of a characteristic associated with an anatomical surface to be covered by a physical medical element, the anatomical surface within an internal space of a patient and determine, based on the anatomical characteristic data, a placement guidance parameter set. The placement guidance parameter set may include one or more parameters configured to guide a placement of the physical medical element on the anatomical surface with one or more surgical instruments controlled by a computer-assisted surgical system.

公开(公告)号：US20220175346A1

公开(公告)日：2022-06-09

申请号：US17611602

申请日：2020-05-29

Applicant: Intuitive Surgical Operations, Inc.

Inventor： A. Jonathan McLeod ,  Mahdi Azizian ,  Daniel Proksch ,  Azad Shademan ,  Pourya Shirazian

IPC: A61B8/00 ,  A61B8/08 ,  A61B8/12

Abstract: A contact detection system is configured to classify each pixel in a plurality of pixels included in an ultrasound image captured by an ultrasound probe located within a patient as either showing tissue or showing non-tissue; determine an average pixel classification representative of a number of pixels classified as showing tissue compared to a number of pixels classified as showing non-tissue; determine, if the average pixel classification is above a first contact state threshold, that the ultrasound probe is in a first contact state that indicates that the ultrasound probe is in operative physical contact with the tissue; and determine, if the average pixel classification is below a second contact state threshold lower than the first contact state threshold, that the ultrasound probe is in a second contact state that indicates that the ultrasound probe is not in operative physical contact with the tissue.

公开(公告)号：US20210304512A1

公开(公告)日：2021-09-30

申请号：US17266304

申请日：2019-07-31

Applicant: INTUITIVE SURGICAL OPERATIONS, INC.

Inventor： Pourya Shirazian ,  Mahdi Azizian ,  Daniel Proksch

IPC: G06T19/00 ,  A61B90/00 ,  G06T19/20 ,  G06T17/20

Abstract: Technology described herein can be embodied in a method of providing visual feedback during surgery. The method includes obtaining a set of vectors representing a model of an anatomical organ, the set produced from a representation of the organ as imaged under one or more imaging modalities. The method includes obtaining a set of pixel positions of a display device, wherein the pixel positions correspond to a view of the organ. The method further includes generating, using at least a portion of the set of vectors, multiple fragment-vectors for each pixel position in the set of pixel positions, the multiple fragment-vectors each representing a corresponding portion of the organ along a line-of-sight through the organ, and generating a pixel value for each pixel position in the set of pixel positions, and presenting, on the display device, an augmented image of the view of the organ using the generated pixel values.

公开(公告)号：US20200161004A1

公开(公告)日：2020-05-21

申请号：US16627171

申请日：2018-06-26

Applicant: Intuitive Surgical Operations, Inc.

Inventor： Pourya Shirazian ,  Mahdi Azizian

IPC: G16H50/50 ,  G06T17/20 ,  G06T15/80 ,  A61B5/055 ,  A61B6/03 ,  A61B8/08

Abstract: A method is provided to model a 3D structure comprising: producing a surface mesh representation of the 3D structure; producing a volume mesh representation of the 3D structure based upon the surface mesh; sorting vertices of the volume mesh into a first sub-list that includes only surface vertices and a second sub-list that includes only internal vertices; applying shading to the surface mesh by accessing only surface vertices in the first sub-list; determining deformation of the volume mesh by accessing both surface vertices in the first sub-list and internal vertices in the second sub-list.