Insulated Sealing Plate
First Claim
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1. An end effector assembly including a pair of opposing jaw members, each of the jaw members comprising:
- a support base;
an electrical jaw lead; and
a sealing plate coupled to the electrical jaw lead, the sealing plate having a stainless steel layer and an electrically insulative layer bonded to an underside of the sealing plate.
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Accused Products
Abstract
An end effector assembly for use with an electrosurgical instrument is provided. The end effector assembly has a pair of opposing jaw members. Each of the jaw members has a support base, an electrical jaw lead, and a sealing plate coupled to the electrical jaw lead. The sealing plate has a stainless steel layer and an electrically insulative layer.
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Citations
18 Claims
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1. An end effector assembly including a pair of opposing jaw members, each of the jaw members comprising:
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a support base; an electrical jaw lead; and a sealing plate coupled to the electrical jaw lead, the sealing plate having a stainless steel layer and an electrically insulative layer bonded to an underside of the sealing plate. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An electrosurgical instrument for sealing tissue, comprising:
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a housing having at least one shaft extending therefrom; a handle assembly operably coupled to the housing and including at least one movable handle; a rotating assembly operably coupled to the housing and configured to rotate the at least one shaft; and an end effector assembly including a pair of opposing jaw members, each of the jaw members comprising; a support base; an electrical jaw lead; and a sealing plate coupled to the electrical jaw lead, the sealing plate having a stainless steel layer and an electrically insulative layer bonded to an underside of the sealing plate. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A method of manufacturing a jaw member of an electrosurgical end effector assembly, the steps comprising:
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providing a support base; bonding an electrically insulative layer to an underside of a stainless steel tissue sealing surface; coupling an electrical lead to the tissue sealing surface, the electrical lead adapted to connect the tissue sealing surface to an energy source; engaging the underside of the tissue sealing surface to the support base; and overmolding an insulative material about the support base to secure the tissue sealing surface thereto. - View Dependent Claims (15, 16, 17, 18)
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Specification