摘要:
Navigation through a network of body passages, such as through the airways, is improved by a method of displaying information which provides a fly-through visualization of the passageway. As landmarks or waypoints are passed, the view changes to a next segment in a planned pathway to a target. Such a visualization technique avoids tunnel vision, such as that encountered while using real-time endoscopes.
摘要:
A method of accounting for the movement of the lungs during an endoscopic procedure such that a previously acquired image may be dynamically registered with a display showing the position of a locatable guide. After an initial image set is acquired, an area of interest is identified and the movement thereof due to breathing is mathematically modeled. Patient movement sensors are then used to provide information on the patient's breathing patterns. This information is entered into the mathematical model in order to update the registration between the image set and a display showing the position of the locatable guide.
摘要:
A navigation system for registering a computer model of a lumen network to an actual lumen network of a patient while navigating the lumen network with a probe, said system comprising a probe, and wherein said system is adapted to: collect data pertaining to an actual location of a probe having sensors; process successive data points to establish a probe path; iteratively register the probe path to a path shape on a computer model of a lumen network while tracking the location of the probe; iteratively adjust the location of the computer model such that said probe path lies within the path shape.
摘要:
It is disclosed a probe for use through a working channel of a bronchoscope comprising a catheter body having a proximal end and a distal end, the body having an outside diameter of less than 2.65 mm such that it may pass through a working channel of a bronchoscope, a tool lumen extending through the catheter body, an optical assembly, usable to communicate visual imagery data to a monitor of an optical scope system, and a tool passable through said tool lumen and extendable from the distal end of the catheter body.
摘要:
A navigation system for use in a luminal network of a patient, such as the airways, that is able to analyze a three-dimensional model of the luminal network and automatically determine a pathway from an entry point to a designated target. The system further automatically assigns waypoints along the determined pathway in order to assist a physician in navigating a probe to the designated target.
摘要:
Real-time, enhanced imaging of remote areas, too minute for CT imaging, is made possible through a probe having a radiopaque tip as well as radiopaque volume markers. When deployed, the markers outline the space containing the tip such that both the tip and the volume containing the tip are viewable on a fluoroscope. This device may be used in conjunction with or independently of 3-D volumes created from CT scans and 3-D tip sensors.
摘要:
A bronchoscope adapter is configured for one hand operation by providing a slide lock that is captured within a housing and a retaining nut that can be operated with a single finger or thumb. Rotation of the retaining nut is eased by isolating rotational force from a compression block with a spacer ring.
摘要:
Tools for accessing tissue are described for use with a locatable guide of a navigation system. In preferred embodiments, said tools are attachable to a distal tip of a locatable guide, such that the location of the tool, preferably in six degrees of freedom, is known while the tool is being used.
摘要:
It is disclosed a probe for use through a working channel of a bronchoscope comprising a catheter body having a proximal end and a distal end, the body having an outside diameter of less than 2.65 mm such that it may pass through a working channel of a bronchoscope, a tool lumen extending through the catheter body, an optical assembly, usable to communicate visual imagery data to a monitor of an optical scope system, and a tool passable through said tool lumen and extendable from the distal end of the catheter body.
摘要:
A registration method whereby a sensor-based approach is used to establish initial registration and whereby upon the commencement of navigating an endoscope, image-based registration methods are used in order to more accurately maintain the registration between the endoscope location and previously-acquired images. A six-degree-of-freedom location sensor is placed on the probe in order to reduce the number of previously-acquired images that must be compared to a real-time image obtained from the endoscope.