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Orthosoft Inc patents


Recent patent applications related to Orthosoft Inc. Orthosoft Inc is listed as an Agent/Assignee. Note: Orthosoft Inc may have other listings under different names/spellings. We're not affiliated with Orthosoft Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "O" | Orthosoft Inc-related inventors


Acetabular cup prosthesis positioning instrument and method

A method for assisting in positioning the acetabular cup comprises orienting a cup positioning instrument with a cup thereon in an initial reference orientation relative to an acetabulum of a pelvis with the cup forming a joint with the acetabulum, the cup positioning instrument comprising an inertial sensor unit with pre-planned orientation data for a desired cup orientation based on at least one landmark of the pelvis, the cup positioning instrument is rotated to a desired abduction angle as guided by an interface of the cup positioning instrument, based on movements relative to at least one landmark. The cup positioning instrument is rotated to a desired anteversion angle as guided by the interface of the cup positioning instrument, based on movements relative to the at least one landmark. ... Orthosoft Inc

Bone and tool tracking in robotized computer-assisted surgery

A system for tracking at least one bone in robotized computer-assisted surgery, comprises a processing unit and a non-transitory computer-readable memory communicatively coupled to the processing unit and comprising computer-readable program instructions executable by the processing unit for: obtaining backscatter images of the at least one bone from a tracking device in a coordinate system; generating a three-dimensional geometry of a surface of the at least one bone from the backscatter images, the three-dimensional geometry of the surface being in the coordinate system; determining a position and orientation of the at least one bone in the coordinate system by matching the three-dimensional geometry of the surface of the at least one bone to a three-dimensional model of the bone; controlling an automated robotized variation of at least one of a position and orientation of the tracking device as a function of a processing of the backscatter images; and continuously outputting the position and orientation of the at least one bone in the coordinate system to a robot driver controlling a robot arm supporting a surgical tool in the coordinate system for altering the bone.. . ... Orthosoft Inc

Mems-based method and system for tracking a femoral frame of reference

A system for tracking a femoral frame of reference in computer-assisted surgery comprises a sensor unit. The sensor unit is adapted to be secured to the femur. ... Orthosoft Inc

Proximity-triggered computer-assisted surgery system and method

A computer-assisted surgery system comprises a first surgical device with a tracking unit tracked during a surgical procedure and adapted to perform a first function associated to the surgical procedure. A second surgical device is adapted to perform a second function associated to the surgical procedure. ... Orthosoft Inc

Mechanical optical pointer

Embodiments of a system and method for digitizing locations within a coordinate system are generally described herein. A device may include a sleeve including a sleeve tracking marker and a tracked probe portion including an array of tracking markers and a probe tip. ... Orthosoft Inc

Computer-assisted surgery system and method for calculating a distance with inertial sensors

A computer-assisted surgery system for obtaining a distance between at least two fixed points relative to a bone comprises a first accelerometer unit located at a first fixed location on the bone, and producing first acceleration data during a movement of the bone. A second accelerometer unit is located at a second fixed location on the bone, and simultaneously producing second acceleration data during the movement. ... Orthosoft Inc

Connection method for mems navigation unit for computer-assisted surgery

A computer-assisted surgery (cas) navigation assembly comprises a micro-electromechanical sensor (mems) navigation unit having one or more mems to provide at least orientation data. A support receives the mems navigation unit therein, the support being adapted to be mounted on the instrument in a fixed orientation relative to established navigated features of the instrument. ... Orthosoft Inc

Method and system for tracking objects in computer-assisted surgery

A computer-assisted surgery system comprises instruments adapted to be used to perform tasks related to surgery. A reference device is in a fixed relation to a bone. ... Orthosoft Inc

System and method for the registration of an anatomical feature

A computer-assisted surgery (cas) system for navigating a surface of an anatomical feature in a coordinate system comprises an apparatus for obtaining points of a surface of an anatomical feature including a base adapted to be secured to the anatomical feature, a spherical joint supported by the base, the spherical joint having a ball member rotatable in at least two rotational degrees of freedom relative to the base and having a center of rotation fixed relative to the base, a distance-measurement device connected to the ball member such that a distance-measurement axis of the distance-measurement device passes through said center of rotation of the ball member. An inertial sensor unit produces signals representative of the orientation of the distance-measurement device. ... Orthosoft Inc

Computer-assisted surgery system and method

There is described a system and a method for assisting a user manipulating an object during a surgery, the method comprising: tracking the object in a sterile field in which surgery is being performed at a location using a tracking device which generates tracking data; processing the tracking data using a processing device located outside the sterile field to generate position and orientation information related to the object; and sending the position and orientation information related to the object to a displaying device positioned in the sterile field adjacent to the location at which the surgery is being performed, for display to the user.. . ... Orthosoft Inc

Device and method for hip-knee-ankle angle verification and femoral mechanical axis digitization

The disclosed device for verifying a hip-knee-ankle angle includes a mounting base having a planar abutting surface adapted for direct abutting against a resected surface on a distal femur, and a first inertial sensor in communication with a computer assisted surgery (cas) system to determine an orientation of the mounting base and to digitize a mechanical axis of the femur. A visual alignment guide element is pivotably mounted to the mounting base such that the angular position of the visual alignment guide element is adjustable so as to be visually aligned with a mechanical axis of a tibia. ... Orthosoft Inc

Computer-assisted hip joint resurfacing method and system

A hip resurfacing cas system for guiding an operator in altering a femoral head in computer-assisted surgery for subsequent implanting of a femoral head implant, comprises a trackable reference on the femur. A registration tool is trackable. ... Orthosoft Inc

Method and system for planning/guiding alterations to a bone

A computer-assisted surgery system for guiding alterations to a bone, comprises a trackable member secured to the bone. The trackable member has a first inertial sensor unit producing orientation-based data. ... Orthosoft Inc

Leg length and offset calculation in computer-assisted surgery using rangefinder

A system for measuring a length variation between body portions in computer-assisted surgery between a preoperative condition and intra- or post-operative condition comprises a a rangefinder configured to measure its distance to at least one reference landmark on at least a first body portion of a patient from a known position relative to a second body portion. A support includes joint(s) allowing one or more rotational degree of freedom of movement of the rangefinder to point to the at least one reference landmark. ... Orthosoft Inc

01/12/17 / #20170007269

Tool and method for digital acquisition of a tibial mechanical axis

A method for determining a mechanical axis of a tibia using a tibial digitizer is disclosed. The method includes: determining an upper reference point on a tibial plateau corresponding to an entry point of the mechanical axis; fastening an upper mounting end of the tibial digitizer to the tibial plateau at the upper reference point; and fastening a lower mounting end of the tibial digitizer to medial and lateral malleoli of the ankle, by inwardly displacing opposed caliper arms of a self-centering malleoli engaging mechanism toward each other in a common plane until the caliper arms abut the malleoli. ... Orthosoft Inc








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