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Blood glucose monitoring system

  • US 4,953,552 A
  • Filed: 04/21/1989
  • Issued: 09/04/1990
  • Est. Priority Date: 04/21/1989
  • Status: Expired due to Fees
First Claim
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1. A blood glucose monitoring system, comprising:

  • a patch having a top surface, an underside and being configured for removable attachment to the skin of a patient;

    a needle type glucose sensor being secured to said patch and having a needle electrode depending from said patch underside so as to penetrate the skin of the patient;

    a second electrode secured to said patch and having a surface exposed on said underside of said path to permit electrical contact with the skin;

    a pair of structurally distinguishable electrode connectors secured to said patch, exposed at said top surface of said patch and connected to said needle electrode and said second electrode, respectively.processing means having a display, and positive and negative leads, each said lead having a lead end attachment positively and releasably connected only to a corresponding one of said electrode connectors, said processing means being programmed for receiving signals from said needle electrode, for calculating an average current value over a specified time period, for converting said current value into blood glucose and for displaying said value on said display.

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