Fluorescent Marker for Detecting Gel or Lack of Gel
A conductive composition having a transparent and colorless appearance under normal or ambient lighting and at least a dyed, translucent or fluorescent appearance under artificial lighting is provided. The composition includes a photo-reactive quantity of a dye-marker.
1 . A conductive composition having a transparent or colorless appearance under normal or ambient lighting and at least a dyed, translucent, or fluorescent appearance under artificial lighting, the conductive composition comprising:
a photo-reactive quantity of a dye-marker, wherein the conductive composition has a transparent and colorless appearance under normal or ambient lighting and at least a dyed, translucent, or fluorescent appearance under artificial lighting.
2 . The conductive composition according to claim 1 , wherein the dye-marker is a fluorochrome.
3 . The conductive composition according to claim 2 , wherein the fluorochrome is one of fluorescein sodium and rhodamine.
4 . The conductive composition according to claim 3 , wherein the fluorescein sodium has a concentration of about 1-100%.
5 . The conductive composition according to claim 3 , wherein the conductive composition includes 1-1000 ppm of flourescein sodium.
6 . The conductive composition according to claim 1 , wherein the conductive composition is a hydrogel.
7 . The conductive composition according to claim 6 , wherein the hydrogel is selectively adherable.
8 . An electrode for selective attachment to the skin of a subject, the electrode comprising:
a conductive member;
a conductive composition disposed on a first side of the conductive member, wherein the conductive composition includes a photo-reactive quantity of a dye-marker; and
an electrical lead in electrical communication with the conductive member, wherein the conductive composition has a transparent and colorless appearance under normal or ambient lighting and at least a dyed, translucent or fluorescent appearance under artificial lighting.
9 . The electrode according to claim 8 , wherein the dye-marker is one of a fluorochrome and rhodamine.
10 . The electrode according to claim 9 , wherein the fluorochrome is fluorescein sodium.
11 . The electrode according to claim 10 , wherein the fluorescein sodium has a concentration of 1-100%.
12 . The electrode according to claim 10 , wherein the composition includes about 1-1000 ppm of flourescein sodium.
13 . The electrode according to claim 8 , wherein the conductive composition is a hydrogel.
14 . The electrode according to claim 8 , wherein the conductive composition is selectively adherable to the skin of a subject.
15 . The electrode according to claim 8 , further comprising a backing member disposed on a second side of the conductive member.
16 . The electrode according to claim 8 , further comprising a release liner selectively, removably adhered to a surface of the conductive composition.
17 . The electrode according to claim 8 , further comprising a reinforcement member supporting the conductive composition.
18 . The electrode according to claim 8 , further comprising at least one of silver and silver-chloride on at least a portion of at least one of the first and second sides of the conductive member.
19 . The electrode according to claim 8 , wherein the electrical lead is one of a pig-tail style electrical leadwire, a snap style electrical lead and a tab style electrical lead.
20 . A method of manufacturing and/or inspecting an object including a quantity of a transparent and colorless conductive composition when viewed under normal or ambient lighting conditions, the method comprising the steps of:
providing an object including a conductive composition having a photo-reactive quantity of a dye-marker; wherein the conductive composition has a transparent and colorless appearance under normal or ambient lighting and at least a dyed, translucent, or fluorescent appearance under artificial lighting; and
exciting the object with an artificial light source to cause the photo-reactive quantity of the dye-marker to irradiate, whereby the conductive composition becomes at least one of colored, translucent and fluorescent.
21 . The method according to claim 20 , further comprising the step of observing at least the conductive composition to determine at least one of a quantity and a quality of the conductive composition present in the object.
22 . The method according to claim 20 , further comprising the step of providing the conductive composition with a fluorochrome dye-marker.
23 . The method according to claim 20 , further comprising the step of providing the conductive composition with a dye-marker of one of fluorescein sodium and rhodamine.
24 . The method according to claim 20 , further comprising the step of providing the composition with a dye-marker of fluorescein sodium having a concentration of 1-100%.
25 . The method according to claim 20 , further comprising the step of providing the composition with a dye-marker including about 1-1000 ppm of flourescein sodium.
26 . The method according to claim 20 , wherein the composition is a hydrogel.
27 . The method according to claim 20 , further comprising the step of exciting the object with an artificial light source having a wavelength of about 420 nm to about 480 nm.
28 . The method according to claim 20 , further comprising the step of exciting the object with a UV light source.
29 . The method according to claim 20 , further comprising the step of placing the object in a darkened environment prior to the step of exciting the object with the artificial light source.