Three-dimensional optical guidance for catheter placement
First Claim
1. A system for generating a three dimensional visualization, said system comprising:
- (a) a light source in communication with a device that extends into a body, the light source being adapted to deliver light at least three distinct wavelengths to said device;
(b) a detector array positioned external to the body, the detector array adapted to measure light emitted from the device positioned within the body at a plurality of locations external to the body;
(c) a processor in communication with the detector array, the processor being programmed to process light measurements received from the detector array and generate a three-dimensional visualization of at least one structure positioned with the body, said light measurements being associated with light generated by the light source at least three distinct wavelengths.
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Accused Products
Abstract
A system is provided comprising an optically-guided catheter having a proximal end, a distal end, and at least one lumen. A light-emitting means is coupled to the catheter, the catheter is inserted into place in the patient, and light is emitted as a point or points from a selected location, usually the distal tip, of the catheter to which it is coupled. The system further comprises an external detection device that detects the transdermally projected light, emitted by the light-emitting point from within the patient, thereby indicating precise placement of the catheter within the patient. A system and method for three-dimensional visualization using an internally positioned light emitter and an externally positioned detection array are also provided.
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Citations
20 Claims
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1. A system for generating a three dimensional visualization, said system comprising:
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(a) a light source in communication with a device that extends into a body, the light source being adapted to deliver light at least three distinct wavelengths to said device;
(b) a detector array positioned external to the body, the detector array adapted to measure light emitted from the device positioned within the body at a plurality of locations external to the body;
(c) a processor in communication with the detector array, the processor being programmed to process light measurements received from the detector array and generate a three-dimensional visualization of at least one structure positioned with the body, said light measurements being associated with light generated by the light source at least three distinct wavelengths. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method for generating a three-dimensional visualization, comprising:
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(a) inserting a device into a body, the device communicating with a light source external to the body;
(b) sequentially delivering light from the light source to the device of at least three distinct wavelengths;
(c) emitting light at the at least three wavelengths from device within the body;
(d) externally detecting light at the at least three wavelengths with a detector array; and
(e) generating a three dimensional visualization based upon the externally detected light. - View Dependent Claims (18, 19, 20)
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Specification