Patents by Inventor Ramnada CHAV
Ramnada CHAV has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12702486Abstract: A system for sizing an implant for a patient pre-operatively comprises a processor unit. A non-transitory computer-readable memory may be communicatively coupled to the processing unit and comprising computer-readable program instructions executable by the processing unit for obtaining at least one radiographic patient image of at least one patient bone with a scale marker relative to the bone, the scale marker having a known geometry, setting a scale of the at least one radiographic patient image using the known geometry of the scale marker, generating a three-dimensional bone model representative of the at least one patient bone using the at least one radiographic patient image and the scale, identifying an implant size and/or an implant model using implant models and dimensions of the three-dimensional bone model based on said scale, and outputting the implant size and/or the implant model for the patient.Type: GrantFiled: December 11, 2024Date of Patent: August 11, 2026Assignee: ORTHOSOFT ULCInventors: Jean-Sebastien Merette, Ramnada Chav
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Publication number: 20260013945Abstract: A surgical assistance system includes 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 a video feed of a surgical procedure and monitoring the surgical procedure from the video feed; detecting, from an image processing of the video feed, a condition requiring a deviation from the surgical procedure, the deviation being defined as being outside of a standard surgical flow; and outputting a recommendation of deviation by intra-operatively providing the recommendation to an operator of the surgical procedure.Type: ApplicationFiled: September 18, 2025Publication date: January 15, 2026Inventors: Pierre COUTURE, Ramnada CHAV, Sebastien PARRATTE, Kevin UNGER
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Publication number: 20250339217Abstract: A method or system for storing an instrument, such as in a sterile environment. For example, a surgical robotic system may include a surgical robotic arm and a sterilization unit enclosing the sterile environment and storing the instrument. A processor may be used to determine that the instrument is needed (e.g., during a surgical procedure or portion of a surgical procedure or for a future surgical procedure or portion of a future surgical procedure). The processor may provide access to the instrument.Type: ApplicationFiled: July 14, 2025Publication date: November 6, 2025Inventors: Ramnada Chav, Pierre Couture
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Patent number: 12453603Abstract: A system for creating at least one model of a bone and implanted implant 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 at least one image of at least part of a bone and of an implanted implant on the bone, the at least one image being patient specific, obtaining a virtual model of the implanted implant using an identity of the implanted implant, overlaying the virtual model of the implanted implant on the at least one image to determine a relative orientation of the implanted implant relative to the bone in the at least one image, and generating and outputting a current bone and implant model using the at least one image, the virtual model of the implanted implant and the overlaying.Type: GrantFiled: April 30, 2024Date of Patent: October 28, 2025Assignee: ORTHOSOFT ULCInventors: Ramnada Chav, Jean-Sebastien Merette, Tin Nguyen, Karine Duval, Pierre Couture
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Patent number: 12440274Abstract: A surgical assistance system includes 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 a video feed of a surgical procedure and monitoring the surgical procedure from the video feed; detecting, from an image processing of the video feed, a condition requiring a deviation from the surgical procedure, the deviation being defined as being outside of a standard surgical flow; and outputting a recommendation of deviation by intra-operatively providing the recommendation to an operator of the surgical procedure.Type: GrantFiled: January 12, 2024Date of Patent: October 14, 2025Assignee: ORTHOSOFT ULCInventors: Pierre Couture, Ramnada Chav, Sebastien Parratte, Kevin Unger
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Patent number: 12376919Abstract: A method or system for storing an instrument, such as in a sterile environment. For example, a surgical robotic system may include a surgical robotic arm and a sterilization unit enclosing the sterile environment and storing the instrument. A processor may be used to determine that the instrument is needed (e.g., during a surgical procedure or portion of a surgical procedure or for a future surgical procedure or portion of a future surgical procedure). The processor may provide access to the instrument.Type: GrantFiled: July 15, 2021Date of Patent: August 5, 2025Assignee: Orthosoft ULCInventors: Ramnada Chav, Pierre Couture
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Publication number: 20250099185Abstract: A system for sizing an implant for a patient pre-operatively comprisies a processor unit. A non-transitory computer-readable memory may be communicatively coupled to the processing unit and comprising computer-readable program instructions executable by the processing unit for obtaining at least one radiographic patient image of at least one patient bone with a scale marker relative to the bone, the scale marker having a known geometry, setting a scale of the at least one radiographic patient image using the known geometry of the scale marker, generating a three-dimensional bone model representative of the at least one patient bone using the at least one radiographic patient image and the scale, identifying an implant size and/or an implant model using implant models and dimensions of the three-dimensional bone model based on said scale, and outputting the implant size and/or the implant model for the patient.Type: ApplicationFiled: December 11, 2024Publication date: March 27, 2025Inventors: Jean-Sebastien MERETTE, Ramnada CHAV
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Patent number: 12201368Abstract: A system for sizing an implant for a patient pre-operatively comprises a processor unit. A non-transitory computer-readable memory may be communicatively coupled to the processing unit and comprising computer-readable program instructions executable by the processing unit for obtaining at least one radiographic patient image of at least one patient bone with a scale marker relative to the bone, the scale marker having a known geometry, setting a scale of the at least one radiographic patient image using the known geometry of the scale marker, generating a three-dimensional bone model representative of the at least one patient bone using the at least one radiographic patient image and the scale, identifying an implant size and/or an implant model using implant models and dimensions of the three-dimensional bone model based on said scale, and outputting the implant size and/or the implant model for the patient.Type: GrantFiled: February 8, 2023Date of Patent: January 21, 2025Assignee: ORTHOSOFT ULCInventors: Jean-Sebastien Merette, Ramnada Chav
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Publication number: 20250017687Abstract: A surgical helmet assembly securable to a XR device can include a frame, a surgical hood, a cooling system, and a controller. The frame can be securable to the XR device. The surgical hood can be connected to the frame and can be configured to cover at least a portion of a head of a user. The cooling system can be connected to the frame and can be locatable at least partially within the surgical hood. The cooling system can be operable to deliver an air stream to the frame, the XR device, and the surgical hood. The controller can be connected to the frame and in communication with the XR device and the cooling system. The controller can be configured to: receive a cooling system adjustment command from the user, and adjust the cooling system based on the cooling system adjustment command.Type: ApplicationFiled: July 8, 2024Publication date: January 16, 2025Inventors: Ramnada Chav, Pierre Antoine Vidal
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Publication number: 20240350200Abstract: A system for creating at least one model of a bone and implanted implant 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 at least one image of at least part of a bone and of an implanted implant on the bone, the at least one image being patient specific, obtaining a virtual model of the implanted implant using an identity of the implanted implant, overlaying the virtual model of the implanted implant on the at least one image to determine a relative orientation of the implanted implant relative to the bone in the at least one image, and generating and outputting a current bone and implant model using the at least one image, the virtual model of the implanted implant and the overlaying.Type: ApplicationFiled: April 30, 2024Publication date: October 24, 2024Inventors: Ramnada CHAV, Jean-Sebastien MERETTE, Tin NGUYEN, Karine DUVAL, Pierre COUTURE
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Patent number: 11998280Abstract: A system for creating at least one model of a bone and implanted implant 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 at least one image of at least part of a bone and of an implanted implant on the bone, the at least one image being patient specific, obtaining a virtual model of the implanted implant using an identity of the implanted implant, overlaying the virtual model of the implanted implant on the at least one image to determine a relative orientation of the implanted implant relative to the bone in the at least one image, and generating and outputting a current bone and implant model using the at least one image, the virtual model of the implanted implant and the overlaying.Type: GrantFiled: January 13, 2023Date of Patent: June 4, 2024Assignee: ORTHOSOFT ULCInventors: Ramnada Chav, Jean-Sebastien Merette, Tin Nguyen, Karine Duval, Pierre Couture
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Publication number: 20240148439Abstract: A surgical assistance system includes 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 a video feed of a surgical procedure and monitoring the surgical procedure from the video feed; detecting, from an image processing of the video feed, a condition requiring a deviation from the surgical procedure, the deviation being defined as being outside of a standard surgical flow; and outputting a recommendation of deviation by intra-operatively providing the recommendation to an operator of the surgical procedure.Type: ApplicationFiled: January 12, 2024Publication date: May 9, 2024Inventors: Pierre COUTURE, Ramnada CHAV, Sebastien PARRATTE, Kevin UNGER
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Patent number: 11903652Abstract: A surgical assistance system includes 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 a video feed of a surgical procedure and monitoring the surgical procedure from the video feed; detecting, from an image processing of the video feed, a condition requiring a deviation from the surgical procedure, the deviation being defined as being outside of a standard surgical flow; and outputting a recommendation of deviation by intra-operatively providing the recommendation to an operator of the surgical procedure.Type: GrantFiled: October 30, 2020Date of Patent: February 20, 2024Assignee: ORTHOSOFT ULCInventors: Pierre Couture, Ramnada Chav, Sebastien Parratte, Kevin Unger
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Publication number: 20230181259Abstract: A system for sizing an implant for a patient pre-operatively comprisies a processor unit. A non-transitory computer-readable memory may be communicatively coupled to the processing unit and comprising computer-readable program instructions executable by the processing unit for obtaining at least one radiographic patient image of at least one patient bone with a scale marker relative to the bone, the scale marker having a known geometry, setting a scale of the at least one radiographic patient image using the known geometry of the scale marker, generating a three-dimensional bone model representative of the at least one patient bone using the at least one radiographic patient image and the scale, identifying an implant size and/or an implant model using implant models and dimensions of the three-dimensional bone model based on said scale, and outputting the implant size and/or the implant model for the patient.Type: ApplicationFiled: February 8, 2023Publication date: June 15, 2023Inventors: Jean-Sebastien MERETTE, Ramnada CHAV
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Publication number: 20230172667Abstract: A system for creating at least one model of a bone and implanted implant 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 at least one image of at least part of a bone and of an implanted implant on the bone, the at least one image being patient specific, obtaining a virtual model of the implanted implant using an identity of the implanted implant, overlaying the virtual model of the implanted implant on the at least one image to determine a relative orientation of the implanted implant relative to the bone in the at least one image, and generating and outputting a current bone and implant model using the at least one image, the virtual model of the implanted implant and the overlaying.Type: ApplicationFiled: January 13, 2023Publication date: June 8, 2023Inventors: Ramnada CHAV, Jean-Sebastien MERETTE, Tin NGUYEN, Karine DUVAL, Pierre COUTURE
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Patent number: 11583341Abstract: A system for sizing an implant for a patient pre-operatively comprises a processor unit. A non-transitory computer-readable memory may be communicatively coupled to the processing unit and comprising computer-readable program instructions executable by the processing unit for obtaining at least one radiographic patient image of at least one patient bone with a scale marker relative to the bone, the scale marker having a known geometry, setting a scale of the at least one radiographic patient image using the known geometry of the scale marker, generating a three-dimensional bone model representative of the at least one patient bone using the at least one radiographic patient image and the scale, identifying an implant size and/or an implant model using implant models and dimensions of the three-dimensional bone model based on said scale, and outputting the implant size and/or the implant model for the patient.Type: GrantFiled: October 7, 2020Date of Patent: February 21, 2023Assignee: ORTHOSOFT ULCInventors: Jean-Sebastien Merette, Ramnada Chav
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Patent number: 11576725Abstract: A system for creating at least one model of a bone and implanted implant 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 at least one image of at least part of a bone and of an implanted implant on the bone, the at least one image being patient specific, obtaining a virtual model of the implanted implant using an identity of the implanted implant, overlaying the virtual model of the implanted implant on the at least one image to determine a relative orientation of the implanted implant relative to the bone in the at least one image, and generating and outputting a current bone and implant model using the at least one image, the virtual model of the implanted implant and the overlaying.Type: GrantFiled: December 12, 2018Date of Patent: February 14, 2023Assignee: ORTHOSOFT ULCInventors: Ramnada Chav, Jean-Sebastien Merette, Tin Nguyen, Karine Duval, Pierre Couture
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Publication number: 20220015841Abstract: A method or system for storing an instrument, such as in a sterile environment. For example, a surgical robotic system may include a surgical robotic arm and a sterilization unit enclosing the sterile environment and storing the instrument. A processor may be used to determine that the instrument is needed (e.g., during a surgical procedure or portion of a surgical procedure or for a future surgical procedure or portion of a future surgical procedure). The processor may provide access to the instrument.Type: ApplicationFiled: July 15, 2021Publication date: January 20, 2022Inventors: Ramnada Chav, Pierre Couture
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Publication number: 20220020219Abstract: A method or system for using an augmented reality device may include displaying information in a surgical field. A method may include receiving an indication of a location of a landmark on a bone of a patient, retrieving a planned location of the landmark on the bone of the patient and receiving information corresponding to the location or the planned location. The location or the planned location may be displayed as a virtual indication using an augmented reality display of the augmented reality device, for example while permitting the surgical field to be viewed through the augmented reality display.Type: ApplicationFiled: July 15, 2021Publication date: January 20, 2022Inventors: Ramnada Chav, Pierre Couture
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Publication number: 20210177526Abstract: A method for spine tracking in computer-assisted surgery, the method includes: obtaining, at a computer-assisted surgical system, at least one image of at least part of the spine and at least one surgical device; determining, at the computer-assisted surgical system, a three-dimensional position and orientation of the at least one surgical device relative to the spine from the at least one image to create a referential system; tracking, at the computer-assisted surgical system, the at least one surgical device altering a first vertebra of the spine for attachment of a spinal screw to the first vertebra, in the referential system; and tracking, at the computer-assisted surgical system, the spine in the referential system with a trackable reference attached to the spinal screw of the first vertebra.Type: ApplicationFiled: December 16, 2020Publication date: June 17, 2021Inventors: Andreanne GOYETTE, Ramnada CHAV, Karine DUVAL