Method of making medical electrical lead
First Claim
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1. A method of manufacturing a medical electrical lead comprising the steps of:
- assembling a lead;
mixing a very slightly soluble in water steroid with an organic solvent to form a solution;
applying the solution to the lead; and
drying the solution on the lead to drive off the organic solvent.
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Abstract
A medical electrical lead having a drug which is no more than sparingly soluble in water applied to the electrode surface. In the preferred embodiment the lead of the present invention possesses an electrode treated with a very slightly soluble in water steroid, such as beclomethasone dipropionate anhydrous. Preferably the steroid is applied to the surface of the electrode which contacts tissue when implanted. A method of manufacturing such a lead is also disclosed. Through such a design, a high impedance, low threshold lead which is simple and easy to manufacture is disclosed.
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Citations
16 Claims
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1. A method of manufacturing a medical electrical lead comprising the steps of:
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assembling a lead; mixing a very slightly soluble in water steroid with an organic solvent to form a solution; applying the solution to the lead; and drying the solution on the lead to drive off the organic solvent. - View Dependent Claims (2, 3, 4, 5)
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6. A method of manufacturing a medical electrical lead comprising the steps of:
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assembling a lead, the lead having an electrode; forming a saturated solution of a steroid which is at least very slightly soluble in water and a solvent; applying the saturated solution to the electrode; and drying the saturated solution on the electrode to drive off the organic solvent but not the steroid from the electrode. - View Dependent Claims (7, 8, 9, 10)
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11. A method of manufacturing a medical electrical lead comprising the steps of:
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assembling a lead, the lead having an electrode; forming a saturated solution of a drug which is at least very slightly soluble in water and a solvent; depositing on the surface of the electrode the saturated solution to the electrode; and driving off the solvent from the saturated solution deposited on the electrode such that the drug remains on the surface of the electrode. - View Dependent Claims (12, 13, 14, 15, 16)
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Specification