Medical electrode with offset contact stud
First Claim
1. A medical electrode comprising:
- a flexible carrier layer having an opening therethrough, and having upper and lower adhesively coated surfaces;
a gel layer positioned over said opening and having horizontal dimensions larger than said opening whereby a marginal portion of said gel layer engages said upper surface of said carrier layer and is adhered thereto, said gel layer having horizontal dimensions smaller than said carrier layer whereby a marginal portion of said upper surface of said carrier layer remains exposed beyond the perimeter of said gel layer;
an electrical contact adhered to said adhesively coated upper surface of said carrier layer and electrically coupled to said gel layer;
a flexible top layer at least horizontally coextensive with said carrier layer and adhered to said marginal portion of said adhesively coated upper surface of said carrier layer whereby said marginal portion of said gel layer is trapped between said top layer and said carrier layer; and
said top layer and said electrical contact being configured relative to one another such that a least a first portion of said electrical contact is trapped between said top layer and at least one of said carrier layer and said gel layer, and a second portion of said electrical contact is exposed whereby said electrical contact can be connected to a medical device.
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Accused Products
Abstract
The specification discloses a medical electrode particularly well suited for use as a diagnostic or monitoring electrode wherein conductive elements comprising a gel layer and a conductive bridge are intimately mounted on the adhesive top surface of a carrier layer, which includes an opening of dimensions similar to but smaller than the gel layer. A top layer, of at least equal surface area, is also affixed to the adhesive top surface of the carrier layer, sandwiching the indicated conductive elements between the top layer and the carrier layer such that the gel layer is exposed to a patient'"'"'s skin but cannot be removed from the electrode. An electrically conductive contact means is provided to connect the conductive bridge to the desired monitoring/diagnostic apparatus. The carrier layer also includes an adhesively coated undersurface, which attaches to a patient'"'"'s skin.
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Citations
28 Claims
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1. A medical electrode comprising:
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a flexible carrier layer having an opening therethrough, and having upper and lower adhesively coated surfaces; a gel layer positioned over said opening and having horizontal dimensions larger than said opening whereby a marginal portion of said gel layer engages said upper surface of said carrier layer and is adhered thereto, said gel layer having horizontal dimensions smaller than said carrier layer whereby a marginal portion of said upper surface of said carrier layer remains exposed beyond the perimeter of said gel layer; an electrical contact adhered to said adhesively coated upper surface of said carrier layer and electrically coupled to said gel layer; a flexible top layer at least horizontally coextensive with said carrier layer and adhered to said marginal portion of said adhesively coated upper surface of said carrier layer whereby said marginal portion of said gel layer is trapped between said top layer and said carrier layer; and said top layer and said electrical contact being configured relative to one another such that a least a first portion of said electrical contact is trapped between said top layer and at least one of said carrier layer and said gel layer, and a second portion of said electrical contact is exposed whereby said electrical contact can be connected to a medical device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A medical electrode comprising:
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a carrier layer having an adhesively coated upper surface, and adhesively coated lower surface for adherence to a patient when said electrode is in use, and an opening therethrough; a conductive gel layer at least coextensive with said opening, including a portion smaller in horizontal dimensions than said upper surface of said carrier layer and adhered thereto, whereby a marginal portion of said adhesively coated upper surface of said carrier layer beyond the perimeter of said gel layer remains exposed; an electrical contact offset from said gel layer and in contact with and adhered to said exposed marginal portion of said adhesively coated upper surface of said carrier layer; a top layer at least horizontally coextensive with said carrier layer and being in contact with and thereby adhered to said marginal portion of said carrier layer; a conductive bridge interconnecting said gel layer and said electrical contact and adhered to said adhesively coated upper surface of said carrier layer, said conductive bridge smaller in horizontal dimensions than said carrier and top layers, said carrier and top layers being adhered together beyond the perimeter of said bridge; and said top layer and said electrical contact being configured relative to one another such that at least a first portion of said electrical contact is trapped between said top layer and said carrier layer, and a second portion of said electrical contact is exposed whereby said electrical contact can be connected to a medical device. - View Dependent Claims (21, 22, 23, 24)
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25. A method for constructing a medical electrode comprising:
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providing a carrier layer having an adhesively coated upper surface, an adhesively coated lower surface and an opening therethrough; adhering a gel layer to a portion of said upper surface of said carrier layer, overlying said opening therethrough, but leaving a marginal portion of said adhesively coated upper surface of said carrier exposed beyond the perimeter of said gel layer; electrically coupling an electrical contact to said gel layer; applying a top layer over at least a first portion of said electrical contact, said gel layer and said carrier layer and adhering said top layer to said adhesively coated exposed marginal portion of said carrier layer upper surface; and configuring said top layer relative to said electrical contact such that a second portion of said electrical contact is exposed to facilitate connection with a medical device. - View Dependent Claims (26, 27, 28)
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Specification