Abstract:
A medical tracking system comprising at least two sensor devices which are independently maneuverable and can be positioned in a fixed position relative to targets, each sensor device comprising at least one of an orientation sensor and a position sensor for respectively determining sensor data, the system further comprising a control unit configured to receive and combine the at least two sensor data of the at least two sensor devices in order to determine a relative position between at least two of the at least two sensor devices.
Abstract:
The invention relates to a medical navigation marker device (1; 2; 3) comprising a light reflector, characterised in that the reflector features a marker pattern (11, 12, 13; 11, 12, 13, 14, 15, 16; 27, 28; 34, 37; 35, 37) having the following features:—the marker pattern (11, 12, 13; 11, 12, 13, 14, 15, 16; 27, 28; 34, 37; 35, 37) points in more than one spatial direction; —the marker pattern (11, 12, 13; 11, 12, 13, 14, 15, 16; 27, 28; 34, 37; 35, 37) comprises at least one moire pattern (11, 12, 13; 27; 37) which points in more than one spatial direction; and—the marker pattern (11, 12, 13; 11, 12, 13, 14, 15, 16; 27, 28; 34, 37; 35, 37) comprises a face identification pattern (14, 15, 16; 25, 26; 34; 35) which identifies the face of the marker being viewed from a particular spatial direction. The invention also relates to a combination of a medical marker device (1; 2; 3) and a medical navigation system (43) which uses the marker device (1; 2; 3) as a spatial position and/or orientation marker, and to the use of a medical marker device (1; 2; 3) for providing guidance to a user of a medical navigation system (43) by evaluating the spatial position and/or orientation information provided by the marker device.
Abstract:
The present invention relates to a medical tracking system comprising at least one sensor device which can be positioned in a fixed position relative to a target, the sensor device comprising a marker device and a marker device detector, the marker device detector being capable of obtaining information for determining a relative position between the marker device detector and another marker device, the system further comprising a control unit configured to process a medical navigation workflow and to select the function of the sensor device as either acting as a marker device detector or as a marker device in a step of the medical navigation workflow.
Abstract:
A medical data processing method for determining the spatial relationship of a first medical device relative to a second medical device, the method being constituted to be executed by a computer and comprising the following steps: d) acquiring first medical device position data comprising first medical device position information describing the position of the first medical device, wherein the first medical device position data is acquired based on reading, from a marker device having for example a fixed spatial relationship relative to the first medical device, the first medical device position information or information which allows access to the first medical device position information; e) acquiring second medical device position data comprising second medical position information describing the position of the second medical device; f) determining, based on the first medical device position data and the second medical device position data, relative position data comprising relative position information describing the spatial relationship of the second medical device relative to the first medical device.
Abstract:
A medical data processing method of determining a spatial relationship between a marker device (1, 1′, 1″, 20) and a resection plane (50, 120) associated with an anatomical structure (5, 12) of a patient's body, the marker device (1, 1′, 1″, 20) being video-detectable by an imaging unit (6), the method being constituted to be executed by a computer and comprising the following steps: a) acquiring imaging unit position data describing a predetermined spatial relationship between the imaging unit (6) and the resection plane; b) acquiring marker device position data describing a spatial relationship between the marker device (1, 1′, 1″, 20) and the imaging unit (6) based on imaging the marker device (1, 1′, 1″, 20) with the imaging unit (6) in order to generate an orientation-dependent image appearance of the marker device (1, 1′, 1″, 20); c) determining, based on the imaging unit position data acquired in step a) and the marker device position data acquired in step b) and based on the orientation-dependent image appearance of the marker device (1, 1′, 1″, 20), resection plane (50, 120) data describing the spatial relationship between the resection plane (50, 120) and the marker device (1, 1′, 1″, 20).
Abstract:
The present invention relates to a medical tracking system comprising at least one sensor device which can be positioned in a fixed position relative to a target, the sensor device comprising a marker device and a marker device detector, the marker device detector being capable of obtaining information for determining a relative position between the marker device detector and another marker device, the system further comprising a control unit configured to process a medical navigation workflow and to select the function of the sensor device as either acting as a marker device detector or as a marker device in a step of the medical navigation workflow.
Abstract:
A medical tracking system comprising at least two sensor devices which are independently maneuverable and can be positioned in a fixed position relative to targets, each sensor device comprising at least one of an orientation sensor and a position sensor for respectively determining sensor data, the system further comprising a control unit configured to receive and combine the at least two sensor data of the at least two sensor devices in order to determine a relative position between at least two of the at least two sensor devices.
Abstract:
The present invention relates to a medical tracking system comprising at least one sensor device which can be positioned in a fixed position relative to a target, the sensor device comprising a marker device and a marker device detector, the marker device detector being capable of obtaining information for determining a relative position between the marker device detector and another marker device, the system further comprising a control unit configured to process a medical navigation workflow and to select the function of the sensor device as either acting as a marker device detector or as a marker device in a step of the medical navigation workflow.
Abstract:
A medical data processing method of determining a spatial relationship between a marker device (1, 1′, 1″, 20) and a resection plane (50, 120) associated with an anatomical structure (5, 12) of a patient's body, the marker device (1, 1′, 1″, 20) being video-detectable by an imaging unit (6), the method being constituted to be executed by a computer and comprising the following steps: a) acquiring imaging unit position data describing a predetermined spatial relationship between the imaging unit (6) and the resection plane; b) acquiring marker device position data describing a spatial relationship between the marker device (1, 1′, 1″, 20) and the imaging unit (6) based on imaging the marker device (1, 1′, 1″, 20) with the imaging unit (6) in order to generate an orientation-dependent image appearance of the marker device (1, 1′, 1″, 20); c) determining, based on the imaging unit position data acquired in step a) and the marker device position data acquired in step b) and based on the orientation-dependent image appearance of the marker device (1, 1′, 1″, 20), resection plane (50, 120) data describing the spatial relationship between the resection plane (50, 120) and the marker device (1, 1′, 1″, 20).