Delivery catheter for and method of delivering implant, for example, bronchoscopically implanting a marker in a lung
First Claim
1. A method of deploying and tracking a marker in a body, the method comprising:
- deploying a marker into a lumen within a body, wherein the deploying includes;
positioning a catheter in the lumen within the body,moving a push wire having an integral retention device contained in the catheter toward a distal end of the catheter to engage the integral retention device with fasteners at a first end portion of the marker, wherein the first end portion of the marker is opposite a second end portion of the marker, the second end portion is positioned proximate to a distal terminus of the catheter, and the first end portion is spaced apart from the distal terminus in a proximal direction,spring-loading the marker in the catheter while the integral retention device retains the fasteners at the first end of the marker, anddeploying the marker by moving the push wire toward the distal end of the catheter or by fixing the push wire in place and retracting the catheter toward a proximal end of the push wire;
determining a fixed relationship between the marker and a treatment target within the body; and
tracking at least one of position and motion of the marker during treatment.
2 Assignments
0 Petitions
Accused Products
Abstract
Systems and methods for treating a lung of a lung of a patient. One embodiment of a method comprises positioning a leadless marker in the lung of the patient relative to the target, and collecting position data of the marker. This method further comprises determining the location of the marker in an external reference frame outside the patient based on the collected position data, and providing an objective output in the external reference frame that is responsive to movement of the marker. The objective output is provided at a frequency (i.e., periodicity) that results in a clinically acceptable tracking error. In addition, the objective output can also be provided at least substantially contemporaneously with collecting the position data used to determine the location of the marker.
185 Citations
20 Claims
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1. A method of deploying and tracking a marker in a body, the method comprising:
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deploying a marker into a lumen within a body, wherein the deploying includes; positioning a catheter in the lumen within the body, moving a push wire having an integral retention device contained in the catheter toward a distal end of the catheter to engage the integral retention device with fasteners at a first end portion of the marker, wherein the first end portion of the marker is opposite a second end portion of the marker, the second end portion is positioned proximate to a distal terminus of the catheter, and the first end portion is spaced apart from the distal terminus in a proximal direction, spring-loading the marker in the catheter while the integral retention device retains the fasteners at the first end of the marker, and deploying the marker by moving the push wire toward the distal end of the catheter or by fixing the push wire in place and retracting the catheter toward a proximal end of the push wire; determining a fixed relationship between the marker and a treatment target within the body; and tracking at least one of position and motion of the marker during treatment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of deploying and tracking markers in a patient according to a radiation plan, the method comprising:
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positioning a catheter in a lumen within the patient; deploying a first marker at a first location proximate a treatment target within the patient, wherein deploying the first marker includes moving a push wire of the catheter toward a distal end of the catheter or fixing the push wire in place and retracting the catheter toward a proximal end of the push wire, and releasing an anti-migration device of the first marker from the catheter such that the anti-migration device anchors the first marker at the first location, the anti-migration device having a shell assembly, an anchor sleeve, a fastener, and an anchor disk; deploying a second marker at a second location proximate the treatment target within the patient; tracking at least one of position, rotation, and motion of the treatment target, wherein the tracking includes; collecting at least one of position, rotation, and motion data of the first and second markers during radiation treatment, and calculating, in real time, at least one of position, rotation, and motion of the first and second markers using the at least one of the position, rotation, and motion data of the first and second markers; interrupting the radiation treatment when the at least one of the position, rotation, and motion of the first and second markers exceeds a predetermined offset value; realigning the patient to bring the at least one of the position, rotation, and motion of the first and second markers below the predetermined offset value before continuing the radiation treatment; determining whether to adapt the radiation plan based on at least one of changes in the treatment target and results of the radiation plan. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification