1. A method for translating two dimensional (2D) mapping of electrical measurements into a three dimensional (3D) derived model of an anatomical region, the method comprising:
receiving electrical measurements from a plurality of electrodes of a basket catheter of an anatomical region of interest;
receiving a 2D map grid based on the electrodes and corresponding spines of the basket catheter, wherein the 2D map grid includes a location of at least one focus of an arrhythmic rotor;
generating a 3D derived model of the anatomical region of interest that includes the basket catheter; and
displaying a 3D location of the focus of the arrhythmic rotor on the 3D derived model based on the 2D map grid.
2. The method of claim 1, further comprising acquiring a 2D image of the anatomical region of interest that include the basket catheter; and
acquiring a 3D model of the anatomical region of interest, wherein the 3D derived model is based on the 2D image and the 3D model.
3. The method of claim 2, further comprising acquiring the 3D model from at least one of a CT imaging system, an MR imaging system, or a 3D rotational angiography;
determining a volume of the anatomical region of interest based on the 3D model; and
selecting the basket catheter from a plurality of basket catheters based on the volume of the anatomical region of interest.
4. The method of claim 2, further comprising acquiring the 2D image from a fluoroscopy imaging system.
5. The method of claim 2, further comprising acquiring a second 2D image, wherein the 3D derived model is further based on the second 2D image.
6. The method of claim 1, further comprising displaying the 2D map grid; and
receiving from a user interface 3D location selections representing the focus of the arrhythmic rotor on the 3D derived model.
7. The method of claim 6, wherein the user interface includes a graphical user interface displayed on a display device.
8. The method of claim 1, wherein the 3D derived model is based on a priori information, the generating operation further comprises translating and scaling a 3D model of the anatomical region of interest.
9. The method of 1, further comprising displaying a location marker on the 3D derived model representing a feature of the basket catheter, wherein the feature is at least one of a distal or proximal end of the basket catheter.
10. The method of claim 1, further comprising receiving from a user interface 3D location selections that represent the focus of the arrhythmic rotor location.
11. A system for translating two dimensional (2D) mapping of electrical measurements into a three dimensional (3D) derived model of an anatomical region comprising:
a basket catheter;
a 2D mapping subsystem communicatively coupled to the basket catheter and an image processing subsystem, wherein the 2D mapping subsystem is configured to generate a 2D map grid based on electrical measurements from a plurality of electrodes received from the basket catheter, the 2D map grid includes a location of at least one focus of an arrhythmic rotor;
the image processing subsystem is configured to generate a 3D derived model of an anatomical region of interest that includes the basket catheter; and
a display device configured to display a 3D location of the focus of the arrhythmic rotor on the 3D derived model based on the 2D map grid.
12. The system of claim 11, wherein the basket catheter has an internal volume formed by the electrodes while in an expanded state, and the image processing subsystem is further configured to calculate a volume of the anatomical region of interest based on a 3D model, wherein the internal volume formed by the electrodes is within a predetermined threshold of the calculated volume of the anatomical region of interest.
13. The system of claim 11, wherein the image processing subsystem is configured to receive position measurements of the plurality of electrodes.
14. The system of claim 11, wherein the 3D derived model is based on a 3D model received by the image processing subsystem at least one of a group comprising a CT imaging system, an MR imaging system, or a 3D rotational angiography.
15. The system of claim 11, further comprising an input device, wherein the image processing subsystem is configured to receive from the input device 3D location selections representing the focus of the arrhythmic rotor on the 3D derived model.
16. The system of claim 11, wherein the 3D derived model is based on a 2D image received by the image processing subsystem from a fluoroscopy imaging system.
17. The system of claim 16, wherein the 3D derived model is further based on a second 2D image.
18. The system of claim 11, wherein the 3D derived model is based on a 3D model, the image processing subsystem is further configured to translating and scaling the 3D model to generate the 3D derived model.
19. The system of 11, wherein the display device is configured to display a 3D location marker on the 3D image representing a feature of the basket catheter, wherein the feature is at least one of a distal or proximal end of the basket catheter.
20. The system of claim 11, further comprising an input device, wherein the image processing subsystem receives from the input device location selections that represent the focus of the arrhythmic rotor location for the 3D derived model.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for connecting an upper tubular to a top tubular of a tubular string while continuously drilling, comprising the steps of:
operating a rotary drive to provide rotational and axial movement of the tubular string in the wellbore;
positioning the upper tubular above the top tubular of the tubular string, the upper tubular configured to have a bottom threaded end that connects to a top threaded end of the top tubular;
changing a relative speed between the upper tubular and the top tubular to threadedly mate the bottom threaded end of the upper tubular and the top threaded end of the top tubular such that the upper tubular becomes a part of the tubular string;
releasing the tubular string from engagement with the rotary drive; and
operating a top drive to provide rotational and axial movement of the tubular string in the wellbore.
2. The method of claim 1,
wherein the bottom threaded end of the upper tubular and the top threaded end of the top tubular are threadedly mated within a fluid circulating device; and
further comprising the step of circulating a fluid continuously through the tubular string, wherein the fluid is selectively provided through the circulation device or through a flow path through the upper tubular.
3. The method of claim 1, further comprising adjusting a height of the circulation device with respect to a top of the top tubular.
4. The method of claim 1, wherein the step of operating the rotary drive to provide axial movement of the tubular string includes adjusting fluid pressure applied to a hydraulically operated axial displacement piston within the rotary drive.
5. A method for connecting an upper tubular to a tubular string while continuously drilling, comprising the steps of:
providing a rig assembly, the rig assembly comprising a top drive mechanism, a rotary drive mechanism, and a fluid circulation device;
operating the top drive mechanism to provide rotational and axial movement of the tubular string in the wellbore until a top of the tubular string is positioned within the circulation device;
activating the rotary drive, thereby matching a rotating speed of the tubular string and engaging the tubular string to prevent rotational and axial movement between the rotary drive and the tubular string;
disengaging the top drive mechanism from the tubular string;
operating the rotary drive to provide rotational and axial movement of the tubular string in the wellbore;
connecting the upper tubular to the top drive mechanism;
aligning axially the upper tubular above the tubular string, the upper tubular engaged by the top drive mechanism and positioned to have a bottom end of the upper tubular in the circulation device adjacent a top end of the tubular string;
activating the top drive to substantially match the rotating speed of the tubular string as the bottom end of the upper tubular contacts the top end of the tubular string for connecting;
changing a relative speed between the upper tubular and the tubular string to form a threaded connection between the upper tubular and the tubular string; and
releasing the tubular string from engagement with the rotary drive.
6. A rotary drive mechanism for use in drilling a wellbore, comprising:
a rotary table for rotating the rotary drive mechanism;
a hydraulically operated axial displacement piston for providing axial movement to a tubular positioned within the rotary drive; and
a slip assembly operatively connected to the axial displacement piston for selectively preventing rotational and axial movement between the axial displacement piston and the tubular therein.
7. The rotary drive of claim 6, wherein the axial displacement piston is rotationally locked to the rotary table.
8. The rotary drive of claim 7, wherein the axial displacement piston is rotationally locked to the rotary table by a slot and key locking assembly.
9. The rotary drive of claim 6,
further comprising a piston chamber, the piston chamber defined by a cavity formed between an outer portion of the axial displacement piston and an inner portion of the rotary table; and
wherein the axial displacement piston is operable by the selective application of fluid pressure within the piston chamber to raise or lower the axial displacement piston within the rotary drive mechanism.