Biomedical electrode having a secured one-piece conductive terminal
First Claim
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1. A biomedical electrode comprising:
- an electrolytic gel layer having first and second sides wherein said first side is adapted to contact a patient;
an anchoring layer having a perforated portion, a first side and a second side, and formed of a porous material having sufficient porosity such that said first side of said anchoring layer is secured to said second side of said gel layer;
a conductive terminal having a base portion integrally joined to a stud member, said base portion being mounted on said perforated portion of said second side of said anchoring layer;
a reinforcing strip having a first opening correspondingly sized with said stud member of said terminal, said reinforcing strip being mounted over said terminal such that said stud member protrudes through said first opening and said base portion is held against said second side of said anchoring layer; and
a top layer having first and second sides and a second opening correspondingly sized with said stud member of said terminal, wherein said second side of said top layer has first and second ends and a patient-contact adhesive coating, said top layer being adhesively mounted onto said reinforcing strip and said anchoring layer such that said stud member protrudes through said second opening and said first and second ends of said second side of said top layer are capable of being secured to said patient.
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Abstract
A disposable biomedical electrode having a one-piece terminal secured therein without washers, retaining rings or other securement means is provided. The electrode also includes an electrolytic gel which exhibits greater patient comfort without any decrease in electrical performance. The gel layer is preferably a hydrogel material formed from an aqueous mixture of polyhydric alcohol, aliphatic diisocyanate terminated prepolymer, polyethylene oxide based polyamine, and sodium chloride.
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Citations
11 Claims
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1. A biomedical electrode comprising:
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an electrolytic gel layer having first and second sides wherein said first side is adapted to contact a patient; an anchoring layer having a perforated portion, a first side and a second side, and formed of a porous material having sufficient porosity such that said first side of said anchoring layer is secured to said second side of said gel layer; a conductive terminal having a base portion integrally joined to a stud member, said base portion being mounted on said perforated portion of said second side of said anchoring layer; a reinforcing strip having a first opening correspondingly sized with said stud member of said terminal, said reinforcing strip being mounted over said terminal such that said stud member protrudes through said first opening and said base portion is held against said second side of said anchoring layer; and a top layer having first and second sides and a second opening correspondingly sized with said stud member of said terminal, wherein said second side of said top layer has first and second ends and a patient-contact adhesive coating, said top layer being adhesively mounted onto said reinforcing strip and said anchoring layer such that said stud member protrudes through said second opening and said first and second ends of said second side of said top layer are capable of being secured to said patient. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification