Method and system for enhanced imaging visualization of deep brain anatomy using infusion
First Claim
1. A catheter system for delivering a diagnostic agent to a site in the brain of a subject for imaging at least a portion of the brain site on a medical imaging system, said catheter system comprising:
- a catheter device including a first lumen, said first lumen having a first lumen proximal region, a first lumen distal region, and a first lumen longitudinal region there between;
said first lumen configured to convey a diagnostic agent within said first lumen, and at least a portion of said first lumen having one or more ports configured to allow the conveyed diagnostic agent to exit from said first lumen to at least a portion of the brain site; and
wherein a portion of said catheter device having a cross-sectional area greater than portions of said catheter located proximally therefrom is configured to define a seal within at least a portion of the brain site to prevent the exited diagnostic agent from travelling proximally beyond the seal while at least a portion of the brain site can be visualized on a medical imaging system, and wherein the exited diagnostic agent exits distally beyond the seal through the one or more ports, wherein the one or more ports comprise a circumferentially arranged array of holes extending along a length of the first lumen distal region, distally beyond the seal.
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Accused Products
Abstract
Provided is a method and system for delivering a diagnostic agent to a site in the brain of a subject for imaging at least a portion of the brain site on a medical imaging system. The method and system includes a catheter device with associated lumens having diagnostic agent ports for delivering the diagnostic agent (e.g., infusate) through the lumens and advancing the diagnostic agent so as to exit out from the lumens to at least a portion of the brain site and while sealing a portion of the brain site thereby preventing the exited diagnostic agent from travelling proximally beyond the sealing location, and at the same time imaging at least a portion of the brain site during at least a portion of the sealing duration so that the brain site can be visualized on a medical imaging system. The diagnostic agent (infusate) is able to highlight borders and internal patterns of the deep structures of the brain thereby enabling direct targeting. Ultimately this leads to reduced complications, enhanced therapy, and the elimination of the need for awake surgery. The method and system provides the capability heretofore not possible to visualize the small, often indistinct regions, which will greatly improve clinical outcomes with therapeutic interventions.
69 Citations
63 Claims
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1. A catheter system for delivering a diagnostic agent to a site in the brain of a subject for imaging at least a portion of the brain site on a medical imaging system, said catheter system comprising:
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a catheter device including a first lumen, said first lumen having a first lumen proximal region, a first lumen distal region, and a first lumen longitudinal region there between; said first lumen configured to convey a diagnostic agent within said first lumen, and at least a portion of said first lumen having one or more ports configured to allow the conveyed diagnostic agent to exit from said first lumen to at least a portion of the brain site; and wherein a portion of said catheter device having a cross-sectional area greater than portions of said catheter located proximally therefrom is configured to define a seal within at least a portion of the brain site to prevent the exited diagnostic agent from travelling proximally beyond the seal while at least a portion of the brain site can be visualized on a medical imaging system, and wherein the exited diagnostic agent exits distally beyond the seal through the one or more ports, wherein the one or more ports comprise a circumferentially arranged array of holes extending along a length of the first lumen distal region, distally beyond the seal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. A method for delivering a diagnostic agent to a site in the brain of a subject for imaging at least a portion of the brain site on a medical imaging system, said method comprising:
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providing a catheter device, said catheter device including a first lumen, said first lumen having a first lumen proximal region, a first lumen distal region, and a first lumen longitudinal region there between, wherein at least of a portion of said first lumen has one or more diagnostic agent ports; delivering the diagnostic agent through said first lumen; advancing the diagnostic agent from said first lumen to exit out from said first lumen to at least a portion of the brain site; sealing a portion of the brain site, wherein said diagnostic agent exits distally beyond the sealing location and said sealing prevents the exited diagnostic agent from travelling proximally beyond the sealing location through the one or more ports, wherein the one or more ports comprise a circumferentially arranged array of holes extending along a length of the first lumen distal region, distally beyond the sealing location; and imaging at least a portion of the brain site during at least a portion of the sealing duration so that said at least a portion of the brain site can be visualized on a medical imaging system. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55)
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39. The method of 38, further comprising:
sealing a portion of the brain site, wherein said sealing prevents the second lumen agent from travelling proximally beyond the sealing location.
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56. A catheter system for delivering a diagnostic agent to a site in the brain of a subject for imaging at least a portion of the brain site on a medical imaging system for purpose of treating a neurologic disorder of the subject, said catheter system comprising:
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a catheter device including a first lumen, said first lumen having a first lumen proximal region, a first lumen distal region, and a first lumen longitudinal region there between; wherein said first lumen is configured to convey a diagnostic agent within said first lumen, and at least a portion of said first lumen has one or more ports configured to allow the conveyed diagnostic agent to exit from said first lumen to at least a portion of the brain site; wherein a portion of said catheter device having a cross-sectional area greater than portions of said catheter located proximally therefrom is configured to define a seal within at least a portion of the brain site to prevent the exited diagnostic agent from travelling proximally beyond the seal while at least a portion of the brain site can be visualized on a medical imaging system, and wherein the exited diagnostic agent exits distally beyond the seal through the one or more ports, wherein the one or more ports comprise a circumferentially arranged array of holes extending along a length of the first lumen distal region, distally beyond the seal; and an electrical lead or deep brain simulation (DBS) device at least partially disposed in said first lumen for applying electrical stimulation by use of said electrical lead or DBS, to a site in the brain for providing a DBS. - View Dependent Claims (57)
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58. A catheter system for delivering a diagnostic agent to a site in the brain of a subject for imaging at least a portion of the brain site on a medical imaging system for purpose of treating a neurologic disorder of the subject, said catheter system comprising:
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a catheter device including a first lumen, said first lumen having a first lumen proximal region, a first lumen distal region, and a first lumen longitudinal region there between; wherein said first lumen is configured to convey a diagnostic agent within said first lumen, and at least a portion of said first lumen has one or more ports configured to allow the conveyed diagnostic agent to exit from said first lumen to at least a portion of the brain site; wherein a portion of said catheter device having a cross-sectional area greater than portions of said catheter located proximally therefrom is configured to define a seal within at least a portion of the brain site to prevent the exited diagnostic agent from travelling proximally beyond the seal while at least a portion of the brain site can be visualized on a medical imaging system, and wherein the exited diagnostic agent exits distally beyond the seal through the one or more ports, wherein the one or more ports comprise a circumferentially arranged array of holes extending along a length of the first lumen distal region, distally beyond the seal; a second lumen including a second lumen proximal region, a second lumen distal region, and a second lumen longitudinal region there between; and an electrical lead or deep brain simulation (DBS) device at least partially disposed in said second lumen for applying electrical stimulation by use of said electrical lead or DBS, to a site in the brain for providing a DBS. - View Dependent Claims (59)
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60. A method for delivering a diagnostic agent to a site in the brain of a subject for imaging at least a portion of the brain site on a medical imaging system for purpose of treating a neurologic disorder of the subject, said method comprising:
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providing a catheter device, said catheter device including a first lumen, said first lumen having a first lumen proximal region, a first lumen distal region, and a first lumen longitudinal region there between, at least of a portion of said first lumen having one or more diagnostic agent ports; delivering the diagnostic agent through said first lumen; advancing the diagnostic agent from said first lumen to exit out from said first lumen to at least a portion of the brain site; sealing a portion of the brain site, wherein said diagnostic agent exits distally beyond the sealing location and said sealing prevents the exited diagnostic agent from travelling proximally beyond the sealing location through the one or more ports, wherein the one or more ports comprise a circumferentially arranged array of holes extending along a length of the first lumen distal region, distally beyond the sealing location; imaging at least a portion of the brain site during at least a portion of the sealing duration so that said at least a portion of the brain site can be visualized on a medical imaging system; delivering an electrical lead or deep brain simulation (DBS) device into said first lumen; and applying electrical stimulation by use of said electrical lead or DBS, to a site in the brain for providing the DBS. - View Dependent Claims (61)
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62. A method for delivering a diagnostic agent to a site in the brain of a subject for imaging at least a portion of the brain site on a medical imaging system for purpose of treating a neurologic disorder of the subject, said method comprising:
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providing a catheter device, said catheter device including a first lumen, said first lumen having a first lumen proximal region, a first lumen distal region, and a first lumen longitudinal region there between, at least of a portion of said first lumen having one or more diagnostic agent ports; delivering the diagnostic agent through said first lumen; advancing the diagnostic agent from said first lumen to exit out from said first lumen to at least a portion of the brain site; sealing a portion of the brain site, wherein said diagnostic agent exits distally beyond the sealing location and said sealing prevents the exited diagnostic agent from travelling proximally beyond the sealing location through the one or more ports, wherein the one or more ports comprise a circumferentially arranged array of holes extending along a length of the first lumen distal region, distally beyond the sealing location; imaging at least a portion of the brain site during at least a portion of the sealing duration so that said at least a portion of the brain site can be visualized on a medical imaging system; wherein said catheter further includes a second lumen having a second lumen proximal region, a second lumen distal region, and a second lumen longitudinal region there between; delivering an electrical lead or deep brain simulation (DBS) device into said second lumen; and applying electrical stimulation by use of said electrical lead or DBS, to a site in the brain for providing the DBS. - View Dependent Claims (63)
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Specification