摘要:
The invention relates to a visualization apparatus for visualizing quality of applying energy to an object. The quality of applying energy at a location on the object (3) is visualized based on a) a provided image of the object and b) a provided quality value representing the quality of applying energy to the object at the location on the object (3), wherein a visual property assigning unit (9) assigns a visual property to the location depending on the quality value and a display (10) displays the provided image and the assigned visual property at the location on the object shown in the image. In general a person who applies energy to the object is focused on the location at which energy is applied. Since quality information is shown at the location on which the person is already focused, the quality dependent information can easily be absorbed by the person.
摘要:
The invention relates to a visualization apparatus for visualizing quality of applying energy to an object. The quality of applying energy at a location on the object (3) is visualized based on a) a provided image of the object and b) a provided quality value representing the quality of applying energy to the object at the location on the object (3), wherein a visual property assigning unit (9) assigns a visual property to the location depending on the quality value and a display(10) displays the provided image and the assigned visual property at the location on the object shown in the image. In general a person who applies energy to the object is focused on the location at which energy is applied. Since quality information is shown at the location on which the person is already focused, the quality dependent information can easily be absorbed by the person.
摘要:
The present invention relates to a monitoring apparatus (101) for monitoring an ablation procedure. The monitoring apparatus (101) comprises an ultrasound signal providing unit for providing an ultrasound signal that depends on received echo series of an object (4) that is ablated. The monitoring apparatus (101) further comprises an ablation depth determination unit (103) for determining an ablation depth from the provided ultrasound signal. The ablation depth can be determined directly from the ultrasound signal and is an important parameter while performing an ablation procedure. For example, it can be used for determining the progress of ablation within the object (4) and for determining when the ablation has reached a desired progression.
摘要:
The present invention relates to a monitoring apparatus (101) for monitoring an ablation procedure. The monitoring apparatus (101) comprises an ultrasound signal providing unit for providing an ultrasound signal that depends on received echo series of an object (4) that is ablated. The monitoring apparatus (101) further comprises an ablation depth determination unit (103) for determining an ablation depth from the provided ultrasound signal. The ablation depth can be determined directly from the ultrasound signal and is an important parameter while performing an ablation procedure. For example, it can be used for determining the progress of ablation within the object (4) and for determining when the ablation has reached a desired progression.
摘要:
A system, device and method include an interventional device having at least one ultrasonic transducer configured to generate a signal to indicate presence of a branch or bifurcation of a lumen inside a subject. A localization system is configured to track the interventional device in the subject. A program module is implemented by a processor to compare a position of the interventional device against a reference image and to indicate the presence of the branch or bifurcation relative to the interventional device position in accordance with the signal.
摘要:
A system, device and method include an interventional device (106) including one or more ultrasonic transducers (108) configured to generate a signal to indicate presence of a branch or bifurcation of a lumen inside a subject. A localization system (102) is configured to track the interventional device in the subject. A program module (122) is implemented by a processor to compare a position of the interventional device against a reference image (130) and to indicate the presence of the branch or bifurcation relative to the position in accordance with the signal.
摘要:
Method and apparatus for real-time, 3-D image guidance of invasive surgical diagnostic tools and therapy. In this method, the 3-D distribution of electrical conductivity of the surgical region of interest are derived using images derived from magnetic resonance imaging (MRI) X-Ray Computed Tomography (CT) or other techniques. Current flows and voltages within the region due to applied currents from body surface electrodes at defined locations are simulated using a finite element method. During the surgical procedure, electrodes are placed at the same locations, and the surgical instrument is inserted into the region. By matching the potentials measured by the instrument to the simulated potentials, the instrument location may be identified in real-time.
摘要:
Method and apparatus for guiding ablative therapy of abnormal biological electrical excitation. The excitation from the previous excitatory wave is significant at the beginning of the next excitation. In particular, it is designed for treatment of fast cardiac arrhythmias. Electrical signals are acquired from recording electrodes, and an inverse dipole method is used to identify the site of origin of an arrhythmia. The location of the tip of an ablation catheter is similarly localized from signals acquired from the recording electrodes while electrical pacing energy is delivered to the tip of the catheter close to or in contact with the cardiac tissue. The catheter tip is then guided to the site of origin of the arrhythmia, and ablative radio frequency energy is delivered to its tip to ablate the site.
摘要:
Method and apparatus for guiding ablative therapy of abnormal biological electrical excitation. The excitation from the previous excitatory wave is significant at the beginning of the next excitation. In particular, it is designed for treatment of fast cardiac arrhythmias. Electrical signals are acquired from recording electrodes, and an inverse dipole method is used to identify the site of origin of an arrhythmia. The location of the tip of an ablation catheter is similarly localized from signals acquired from the recording electrodes while electrical pacing energy is delivered to the tip of the catheter close to or in contact with the cardiac tissue. The catheter tip is then guided to the site of origin of the arrhythmia, and ablative radio frequency energy is delivered to its tip to ablate the site.