Microsensor catheter and method for making the same
First Claim
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1. A catheter for insertion into a body cavity, duct, or vessel for diagnostic purposes, the catheter comprising:
- a flexible conduit having a microsensor device adapted to generate output data from a sensed condition mounted thereto, the microsensor device being operatively coupled to a data acquisition device to communicate the output data to the data acquisition device, wherein the microsensor device is mounted to a flexible substrate carrying a lead, and wherein the flexible substrate is separate from and carried by the flexible conduit.
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Abstract
A catheter for insertion into a body cavity, duct, or vessel for diagnostic purposes, the catheter including a flexible conduit having a microsensor device mounted thereto that generates output data from a sensed condition. The microsensor device is operatively coupled to a data acquisition device to communicate the output data to the data acquisition device. The microsensor device is mounted to a flexible dielectric substrate carrying a lead, and the flexible dielectric substrate is separate from and carried by the flexible conduit.
100 Citations
48 Claims
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1. A catheter for insertion into a body cavity, duct, or vessel for diagnostic purposes, the catheter comprising:
a flexible conduit having a microsensor device adapted to generate output data from a sensed condition mounted thereto, the microsensor device being operatively coupled to a data acquisition device to communicate the output data to the data acquisition device, wherein the microsensor device is mounted to a flexible substrate carrying a lead, and wherein the flexible substrate is separate from and carried by the flexible conduit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A catheter for insertion into a body cavity, duct, or vessel for diagnostic purposes, the catheter comprising:
a flexible conduit carrying at least two microsensor devices therewith, each of which respectively adapted to generate output data from respective sensed conditions, each microsensor device being operatively coupled to a data acquisition device to communicate the output data to the data acquisition device, wherein at least the two microsensor devices are mounted to a flexible dielectric substrate carrying a lead, and wherein the flexible dielectric substrate is separate from and carried by the flexible conduit. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A method of bonding a microsensor device onto a conduit adapted for use as a component of a catheter, the method comprising the steps of:
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providing a flexible dielectric substrate having a leading end;
applying a first electrically conductive material to the dielectric substrate approximate the leading end, where the first electrically conductive material includes at least one lead;
coupling the first electrically conductive material to a microsensor device to provide electrical communication between the microsensor device and the at least one lead; and
mounting the leading end of the dielectric substrate to a conduit of a catheter. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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39. A multilumen catheter comprising:
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a first flexible tube having a microsensor device at least partially carried thereon and operatively coupled to an output device, the microsensor device being mounted to a flexible dielectric substrate carrying a lead isolated from an environment external to the first flexible tube, the microsensor device having a sensor element exposed to the environment to detect environmental conditions in real-time and relay data evidencing such environmental conditions to the output device in real-time;
a second flexible tube including a distal end having an orifice therein and providing a conduit therein; and
a catheter receiving at least the first flexible tube and the second flexible tube. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46)
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47. A multilumen catheter comprising:
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a first flexible tube having a first microsensor device carried thereon, the first microsensor device being coupled to a first flexible dielectric substrate carrying a set of first conductive leads in electrical communication with the first microsensor device, the first flexible tube providing a conduit though which the first flexible dielectric substrate is received, wherein the first microsensor device includes a sensor element in communication with an environment external to the first flexible tube to detect an environmental condition in real-time and relay data evidencing such environmental condition in real-time to a remote data processing device;
a second flexible tube having a second microsensor device carried thereon, the second microsensor device being coupled to a second flexible dielectric substrate carrying a second set of conductive leads in electrical communication with the second microsensor device, the second flexible tube providing a passageway though which the second flexible dielectric substrate is received, wherein the second microsensor device includes a sensor element in communication with an environment external to the second flexible tube to detect an environmental condition external to the second flexible tube in real-time and relay data evidencing such environmental condition in real-time to the remote data processing device; and
a third flexible tube including a distal end having an orifice therein and providing a conduit for fluid flow therethrough.
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48. A method of bonding a microsensor device onto a conduit adapted for use as a component of a catheter, the method comprising the steps of:
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providing a flexible dielectric substrate having a leading end;
a step for forming an electrically conductive material that includes at least one lead to the dielectric substrate approximate the leading end;
a step for coupling the first electrically conductive material to a microsensor device to provide electrical communication between the microsensor device and the at least one lead; and
mounting the leading end of the dielectric substrate to a conduit of a catheter.
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Specification