Patents by Inventor Lars Dohmen
Lars Dohmen 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: 11826112Abstract: The present invention relates to a method for registering a first anatomical structure (1) which is articulately coupled to a second anatomical structure (2), the method being constituted to be executed by a computer and comprising the steps of: acquiring second structure correlation data describing the spatial position of at least one correlation feature (3) relative to the second anatomical structure (2); acquiring coupling data describing a positional fixation (6) of the first anatomical structure (1) relative to the second anatomical structure (2), which is set by the articulated coupling (4) between the first anatomical structure (1) and the second anatomical structure (2); determining, based on the second structure correlation data and the coupling data, first structure correlation data describing the spatial position of the at least one correlation feature (3) relative to the first anatomical structure (1). The present invention further relates to a corresponding computer program and system.Type: GrantFiled: July 18, 2022Date of Patent: November 28, 2023Assignees: Smith & Nephew, Inc., Smith & Nephew Orthopaedics AG, Smith & Nephew Asia Pacific Pte. LimitedInventors: Lars Dohmen, Mario Schubert, Anna Wiedenmann
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Publication number: 20230293242Abstract: A data processing method performed by a computer for judging implant orientation data representing an orientation of a first implant part relative to a first bone, the first implant part being part of an implant pair which further comprises a second implant part for a second bone, the implant pair being envisaged to be implanted in a patient, range of comprising the steps of: —acquiring the implant orientation motion volume data, —acquiring second implant orientation data representing the orientation of the second implant part relative to the second bone, —acquiring implant shape data representing the shapes of the first and second implant parts, —acquiring activity data representing at least one desired activity of the patient to be possible after implanting the implant, wherein Flexion extension each desired activity has an associated range of motion between the first bone and the second bone, —calculating a range of motion volume, which represents possible orientations between the first bone and the secondType: ApplicationFiled: May 25, 2023Publication date: September 21, 2023Inventors: Lars DOHMEN, Mario SCHUBERT, Anna WIEDENMANN
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Patent number: 11678936Abstract: A data processing method performed by a computer for judging implant orientation data representing an orientation of a first implant part relative to a first bone, the first implant part being part of an implant pair which further comprises a second implant part for a second bone, the implant pair being envisaged to be implanted in a patient, comprising the steps of: —acquiring the implant orientation data, -acquiring second implant orientation data representing the orientation of the second implant part relative to the second bone, -acquiring implant shape data representing the shapes of the first and second implant parts, —acquiring activity data representing at least one desired activity of the patient to be possible after implanting the implant, wherein each desired activity has an associated range of motion between the first bone and the second bone, —calculating a range of motion volume, which represents possible orientations between the first bone and the second bone over three rotational axes, from thType: GrantFiled: March 31, 2020Date of Patent: June 20, 2023Assignees: Smith & Nephew, Inc., Smith & Nephew Orthopaedics AG, Smith & Nephew Asia Pacific Pte. LimitedInventors: Lars Dohmen, Mario Schubert, Anna Wiedenmann
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Publication number: 20220354590Abstract: The present invention relates to a method for registering a first anatomical structure (1) which is articulately coupled to a second anatomical structure (2), the method being constituted to be executed by a computer and comprising the steps of: acquiring second structure correlation data describing the spatial position of at least one correlation feature (3) relative to the second anatomical structure (2); acquiring coupling data describing a positional fixation (6) of the first anatomical structure (1) relative to the second anatomical structure (2), which is set by the articulated coupling (4) between the first anatomical structure (1) and the second anatomical structure (2); determining, based on the second structure correlation data and the coupling data, first structure correlation data describing the spatial position of the at least one correlation feature (3) relative to the first anatomical structure (1). The present invention further relates to a corresponding computer program and system.Type: ApplicationFiled: July 18, 2022Publication date: November 10, 2022Inventors: Lars DOHMEN, Mario SCHUBERT, Anna WIEDENMANN
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Patent number: 11389251Abstract: The present invention relates to a method for registering a first anatomical structure (1) which is articulately coupled to a second anatomical structure (2), the method being constituted to be executed by a computer and comprising the steps of: acquiring second structure correlation data describing the spatial position of at least one correlation feature (3) relative to the second anatomical structure (2): acquiring coupling data describing a positional fixation (6) of the first anatomical structure (1) relative to the second anatomical structure (2), which is set by the articulated coupling (4) between the first anatomical structure (1) and the second anatomical structure (2); determining, based on the second structure correlation data and the coupling data, first structure correlation data describing the spatial position of the at least one correlation feature (3) relative to the first anatomical structure (1). The present invention further relates to a corresponding computer program and system.Type: GrantFiled: April 10, 2020Date of Patent: July 19, 2022Assignees: Smith & Nephew, Inc., Smith & Nephew Orthopaedics AG, Smith & Nephew Asia Pacific Pte. LimitedInventors: Lars Dohmen, Mario Schubert, Anna Wiedenmann
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Patent number: 11270465Abstract: Provided is a method for generating pose transformation data between first and second rigidly mounted digital cameras having non-coincident fields of view. The method includes obtaining a first plurality of images of a first calibration object, obtaining a second plurality of images of the first or a second calibration object, generating first and second object point data, generating first and second calibration data of the first and second digital cameras, determining first pose data between a first frame of reference of the first digital camera and the frame of reference of the first calibration object, determining second pose data between the frame of reference of the second digital camera and the frame of reference of the first or second calibration objects, and calculating the pose transformation data between the pose of the first digital camera and the pose of the second digital camera.Type: GrantFiled: November 23, 2018Date of Patent: March 8, 2022Assignee: Brainlab AGInventors: Torsten Hain, Lars Dohmen, Thomas Radl
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Patent number: 11172995Abstract: The present invention relates to a method for registering a first anatomical structure (1) which is articulately coupled to a second anatomical structure (2), the method being constituted to be executed by a computer and comprising the steps of: acquiring second structure correlation data describing the spatial position of at least one correlation feature (3) relative to the second anatomical structure (2); acquiring coupling data describing a positional fixation (6) of the first anatomical structure (1) relative to the second anatomical structure (2), which is set by the articulated coupling (4) between the first anatomical structure (1) and the second anatomical structure (2); determining, based on the second structure correlation data and the coupling data, first structure correlation data describing the spatial position of the at least one correlation feature (3) relative to the first anatomical structure (1). The present invention further relates to a corresponding computer program and system.Type: GrantFiled: April 21, 2020Date of Patent: November 16, 2021Assignees: Smith & Nephew, Inc., Smith & Newphew Orthopaedics AG, Smith & Nephew Asia Pacific Pte. LimitedInventors: Lars Dohmen, Mario Schubert, Anna Wiedenmann
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Publication number: 20210225032Abstract: Provided is a method for generating pose transformation data between first and second rigidly mounted digital cameras having non-coincident fields of view. The method includes obtaining a first plurality of images of a first calibration object, obtaining a second plurality of images of the first or a second calibration object, generating first and second object point data, generating first and second calibration data of the first and second digital cameras, determining first pose data between a first frame of reference of the first digital camera and the frame of reference of the first calibration object, determining second pose data between the frame of reference of the second digital camera and the frame of reference of the first or second calibration objects, and calculating the pose transformation data between the pose of the first digital camera and the pose of the second digital camera.Type: ApplicationFiled: November 23, 2018Publication date: July 22, 2021Inventors: Torsten HAIN, Lars DOHMEN, Thomas RADL
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Patent number: 10743936Abstract: A data processing method performed by a computer for judging implant orientation data representing an orientation of a first implant part relative to a first bone, the first implant part being part of an implant pair which further comprises a second implant part for a second bone, the implant pair being envisaged to be implanted in a patient.Type: GrantFiled: May 8, 2015Date of Patent: August 18, 2020Assignees: Smith & Nephew, Inc., Smith & Nephew Asia Pacific Pte. Limited, Smith & Nephew Orthopaedics AGInventors: Lars Dohmen, Mario Schubert, Anna Wiedenmann
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Publication number: 20200246083Abstract: The present invention relates to a method for registering a first anatomical structure (1) which is articulately coupled to a second anatomical structure (2), the method being constituted to be executed by a computer and comprising the steps of: acquiring second structure correlation data describing the spatial position of at least one correlation feature (3) relative to the second anatomical structure (2); acquiring coupling data describing a positional fixation (6) of the first anatomical structure (1) relative to the second anatomical structure (2), which is set by the articulated coupling (4) between the first anatomical structure (1) and the second anatomical structure (2); determining, based on the second structure correlation data and the coupling data, first structure correlation data describing the spatial position of the at least one correlation feature (3) relative to the first anatomical structure (1). The present invention further relates to a corresponding computer program and system.Type: ApplicationFiled: April 21, 2020Publication date: August 6, 2020Inventors: Lars DOHMEN, Mario SCHUBERT, Anna WIEDENMANN
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Publication number: 20200246075Abstract: A data processing method performed by a computer for judging implant orientation data representing an orientation of a first implant part relative to a first bone, the first implant part being part of an implant pair which further comprises a second implant part for a second bone, the implant pair being envisaged to be implanted in a patient, comprising the steps of: -acquiring the implant orientation data, -acquiring second implant orientation data representing the orientation of the second implant part relative to the second bone, -acquiring implant shape data representing the shapes of the first and second implant parts, -acquiring activity data representing at least one desired activity of the patient to be possible after implanting the implant, wherein each desired activity has an associated range of motion between the first bone and the second bone, -calculating a range of motion volume, which represents possible orientations between the first bone and the second bone over three rotational axes, from thType: ApplicationFiled: March 31, 2020Publication date: August 6, 2020Inventors: Lars DOHMEN, Mario SCHUBERT, Anna WIEDENMANN
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Publication number: 20200237447Abstract: The present invention relates to a method for registering a first anatomical structure (1) which is articulately coupled to a second anatomical structure (2), the method being constituted to be executed by a computer and comprising the steps of: acquiring second structure correlation data describing the spatial position of at least one correlation feature (3) relative to the second anatomical structure (2): acquiring coupling data describing a positional fixation (6) of the first anatomical structure (1) relative to the second anatomical structure (2), which is set by the articulated coupling (4) between the first anatomical structure (1) and the second anatomical structure (2); determining, based on the second structure correlation data and the coupling data, first structure correlation data describing the spatial position of the at least one correlation feature (3) relative to the first anatomical structure (1). The present invention further relates to a corresponding computer program and system.Type: ApplicationFiled: April 10, 2020Publication date: July 30, 2020Inventors: Lars DOHMEN, Mario SCHUBERT, Anna WIEDENMANN
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Patent number: 10231785Abstract: Implant orientation data representing a range of functional orientations of a first implant part relative to a first bone is determined. The first implant part is part of an implant pair to be implanted in an associated patient. The implant pair includes the first implant part and a second implant part. Second implant orientation data representing an orientation of the second implant part relative to a second bone is acquired. Implant shape data representing shapes of the first and the second implant parts is acquired. Activity data representing a desired activity of the associated patient is acquired. The desired activity has an associated original range of motion between the first bone and the second bone. The implant orientation data is determined based on the second implant orientation data, the implant shape data, and the activity data.Type: GrantFiled: May 8, 2015Date of Patent: March 19, 2019Assignee: Brainlab AGInventors: Lars Dohmen, Mario Schubert, Anna Wiedenmann
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Patent number: 10163270Abstract: A data processing method for determining six parameters, corresponding to six degrees of freedom, of a contact position of a joint which connects two bones, comprising the steps of acquiring a 3D model of each bone, acquiring four of the six parameters as a given parameters, selecting initial values for the two remaining parameters and varying the two remaining parameters virtually in order to achieve a virtual relative position between the two 3D models such that they are in contact with each other.Type: GrantFiled: December 30, 2016Date of Patent: December 25, 2018Assignee: Brainlab AGInventors: Hubert Gotte, Lars Dohmen
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Publication number: 20180235702Abstract: A data processing method performed by a computer for judging implant orientation data representing an orientation of a first implant part relative to a first bone, the first implant part being part of an implant pair which further comprises a second implant part for a second bone, the implant pair being envisaged to be implanted in a patient.Type: ApplicationFiled: May 8, 2015Publication date: August 23, 2018Inventors: Lars DOHMEN, Mario SCHUBERT, Anna WIEDENMANN
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Publication number: 20180235703Abstract: Implant orientation data representing a range of functional orientations of a first implant part relative to a first bone is determined. The first implant part is part of an implant pair to be implanted in an associated patient. The implant pair includes the first implant part and a second implant part. Second implant orientation data representing an orientation of the second implant part relative to a second bone is acquired. Implant shape data representing shapes of the first and the second implant parts is acquired. Activity data representing a desired activity of the associated patient is acquired. The desired activity has an associated original range of motion between the first bone and the second bone. The implant orientation data is determined based on the second implant orientation data, the implant shape data, and the activity data.Type: ApplicationFiled: May 8, 2015Publication date: August 23, 2018Inventors: Lars Dohmen, Mario SCHUBERT, Anna WIEDENMANN
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Publication number: 20180153622Abstract: The present invention relates to a method for registering a first anatomical structure (1) which is articulately coupled to a second anatomical structure (2), the method being constituted to be executed by a computer and comprising the steps of: acquiring second structure correlation data describing the spatial position of at least one correlation feature (3) relative to the second anatomical structure (2); acquiring coupling data describing a positional fixation (6) of the first anatomical structure (1) relative to the second anatomical structure (2), which is set by the articulated coupling (4) between the first anatomical structure (1) and the second anatomical structure (2); determining, based on the second structure correlation data and the coupling data, first structure correlation data describing the spatial position of the at least one correlation feature (3) relative to the first anatomical structure (1). The present invention further relates to a corresponding computer program and system.Type: ApplicationFiled: May 29, 2015Publication date: June 7, 2018Inventors: Lars DOHMEN, Mario SCHUBERT, Anna WIEDENMANN
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Patent number: 9865095Abstract: A data processing method for determining six parameters, corresponding to six degrees of freedom, of a contact position of a joint which connects two bones, comprising the steps of acquiring a 3D model of each bone, acquiring four of the six parameters as given parameters, selecting initial values for the two remaining parameters and varying the two remaining parameters virtually in order to achieve a virtual relative position between the two 3D models such that they are in contact with each other.Type: GrantFiled: June 20, 2012Date of Patent: January 9, 2018Assignee: Brainlab AGInventors: Hubert Gotte, Lars Dohmen
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Patent number: 9713539Abstract: The present invention relates to a method for planning the positioning of a ball joint prosthesis, in particular a hip joint prosthesis, wherein the prosthesis includes a stem and a cup and the method comprises the following steps: —determining the geometric shape of the joint socket, in particular the acetabulum, and the geometric shape of the cup which is to be placed; —defining target areas where the cup has to abut the bony structure of the joint socket, in particular the acetabulum, in order for the cup to be sufficiently fixed; —determining actual areas of the cup which will abut the bony structure of the joint socket, in particular the acetabulum, when the cup is placed; —defining a requirement for the position and/or orientation of the cup on the basis of the position and/or size of the target areas and/or actual areas.Type: GrantFiled: January 20, 2011Date of Patent: July 25, 2017Assignee: Brainlab AGInventors: Martin Haimerl, Lars Dohmen, Melanie Wegner, Sabine Gneiting
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Patent number: D960362Type: GrantFiled: December 17, 2019Date of Patent: August 9, 2022Inventor: Lars Dohmen