Immersion Medical, Inc.

Immersion Corporation

Donald Douglas Nelson

Milan Ikits

Louai Adhami

Chih-Hao Ho

Robert Falk

Kevin J Kunkler

Iyanka Ponnamperuma

Dhananjay Joshi

Lionel Grenier

Christopher J Ulrich

Hugh Connacher

Michael DiCuccio

Wei Li

Andrzej Czeslaw Szymczak

Embodiments of systems, methods, and computer-readable media for real-time winding analysis for knot detection are disclosed. For example, one embodiment of the present invention includes a method having the steps of receiving a first wrapping signal indicating a first wrapping of the simulated thread around a second tool to create a first loop. The method further includes determining a first wrapping direction based at least in part on the first wrapping signal; receiving a first tightening signal indicating a pulling of a first end of the simulated thread through the first loop; determining a first half-hitch based at least in part on the first winding direction and the first tightening signal; and outputting the first half-hitch. In another embodiment, a computer-readable media includes code for a carrying out such a method.

Systems and methods for real-time winding analysis for knot detection

Systems and methods for modifying a medical model of a physical system is disclosed. One disclosed system includes a graphical user interface configured to display at least one parameter associated with the medical model and receive a modification of the at least one parameter. The system also includes a processor configured to receive the modification of the at least one parameter from the graphical user interface and execute a simulation of a part of the medical model including the modification of the at least one parameter.

Systems and methods for editing a model of a physical system for a simulation

Embodiments include storing values of a first plurality of nodes in memory based on tracking the position of a plurality of points of a physical object and maintaining a second plurality of nodes in memory, each node of the second plurality of nodes corresponding to a node of the first plurality. The values of the second plurality of nodes can be used to model interactions with other objects and to render a view of a simulated object. The simulation can access data identifying a simulation boundary and selectively update values of the second plurality of nodes using the first plurality of nodes while ensuring that the simulation boundary is not violated. A value of the second plurality of nodes can be set to be different from the value of the corresponding one of the first plurality of nodes if using the first node's value would violate the boundary.

Systems and methods for simulations utilizing a virtual coupling

A simulator for simulating a first object and a second object that is coupled to the first object is disclosed. The simulator models the first and second objects as a plurality of segments, with each segment having a plurality of nodes connected by one or more edges. The simulator then indexes each of the nodes and couples at least one node of the first object to a node of the second object. The indexing and coupling is based on the current simulated position of the first and second objects. The simulator then generates and solves a linear system of equations Ay=b from the indexing, and updates a position of each of the nodes. The simulator flow then dynamically re-indexes the nodes, and continues in a loop.

Simulation of coupled objects

A method of controlling the display of an articulated graphical image in a graphical environment comprises sensing manipulation of a user object, controlling the displayed position or shape of the articulated graphical image in relation to the sensed manipulation, and when the articulated graphical image interacts with a graphical object, changing the relationship between the displayed position or shape of the articulated graphical image and the sensed manipulation. In one version, the display of the graphical image is calculated by an algorithm utilizing numerical methods.

Graphical object interactions

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Montgomery Village, MD, United States of America

Donald Douglas Nelson