VEIN LOCATING DEVICE FOR VASCULAR ACCESS PROCEDURES
First Claim
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1. A device for detecting a venous structure in a patient, comprising:
- an optical source for transmitting optical energy into tissue;
an optical detector for detecting at least a portion of the optical energy that is transmitted into and reflected by the tissue; and
an indicator operably associated with the optical source and the optical detector, the indicator adapted to indicate relative changes in the detected reflection and scattering of the optical energy transmitted into the tissue of the patient.
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Abstract
A device for detecting a venous structure or vessels in a patient or animal. The device includes an optical source for transmitting optical energy into the tissue of the patient, an optical detector for detecting at least a portion of the optical energy that is transmitted into and reflected by the tissue, and an indicator operably associated with the optical source and the optical detector. The indicator is adapted to indicate relative changes in the detected reflection or scattering of the optical energy transmitted into the tissue of the patient.
125 Citations
20 Claims
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1. A device for detecting a venous structure in a patient, comprising:
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an optical source for transmitting optical energy into tissue; an optical detector for detecting at least a portion of the optical energy that is transmitted into and reflected by the tissue; and an indicator operably associated with the optical source and the optical detector, the indicator adapted to indicate relative changes in the detected reflection and scattering of the optical energy transmitted into the tissue of the patient. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A device for detecting a venous structure in a patient, comprising:
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an optical source for transmitting optical energy into the tissue of the patient; an optical detector for detecting at least a portion of the optical energy that is transmitted into and reflected by the tissue; and a removable coupler operably associated with the optical source and the optical detector. - View Dependent Claims (17, 18)
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19. The device of claim wherein the coupler is adapted to optically couple the optical source and the optical detector to the skin of the patient.
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20. A device for detecting a venous structure in a patient, comprising:
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an optical source for transmitting optical energy into the tissue of the patient; an optical detector for detecting at least a portion of the optical energy that is transmitted into and reflected by the tissue; an indicator operably associated with the optical source and the optical detector, the indicator adapted to indicate relative changes in the intensity of the detected reflection of the optical energy transmitted into the tissue of the patient; an indicator operably associated with the optical source and the optical detector, the indicator adapted to indicate relative changes in the frequency of the detected reflection of the optical energy transmitted into the tissue of the patient; a removable coupler operably associated with the optical source and the optical detector; one or more visible light illuminating sources adapted to be positioned near the skin surface of the patient to improve the ability to detect near-surface veins in the tissue; an amplifier operably associated with the optical detector; a modulator operably associated with the optical source and the amplifier; a marking device to mark the location of the venous structure; and a guiding device to guide the location of an vascular access device to the venous structure.
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Specification