Blood glucose monitoring system
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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Abstract
A blood glucose monitoring system includes a generally planar disposable adhesive patch having a needle type glucose sensor and a second electrode mounted thereon, as well as first and second electrode connectors projecting from an upper surface of the patch and being in electrical connection with the respective electrodes. A microprocessor worn by the user has positive and negative leads for specified connection to the respective electrode connectors and continuously monitors current transmitted by the sensor and displays corresponding average levels of blood glucose on a display panel.
1577 Citations
26 Claims
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1. A blood glucose monitoring system, comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A blood glucose monitoring system, comprising:
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a generally planar disposable patch having a top surface, an elongate slot and an underside, said underside being provided with an adhesive coating for releasable attachment to the skin of a patient; a needle type glucose sensor having a needle-tipped electrode being secured to said patch so that a portion of said needle tipped electrode depends from said patch underside and enters the skin of the patient; a second electrode secured to said underside of said patch so as to be in electrical contact with the skin, said second electrode being located on an opposite side of said slot from said needle-tipped electrode. male and female electrode connectors secured to said patch so that portions of said connectors project vertically from said top surface, said connectors being connected to said needle-tipped and second electrodes; processing means having a display and positive and negative leads for connection to said respective electrode connectors, said leads having end attachments releasably and positively connected to said connectors in a specified manner only, said processing means being programmed for receiving signals from said electrodes, for calculating an average current value over a specified time period, for converting said current value into blood glucose units, and for displaying said value. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25)
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26. A disposable electrode patch for a blood glucose monitoring system including a microprocessor having a display, and positive and negative leads, the leads each having an end attachment, the microprocessor being programmed for receiving signals, for calculating an average current value over a specified time period, for converting the current value into blood glucose and for displaying the value on the display, the patch comprising:
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a body with 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 body and having a needle electrode depending from said body underside so as to penetrate the skin of the patient; a second electrode secured to said body and having a surface exposed on said body underside to permit electrical contact with the skin; and a pair of structurally distinguishable electrode connectors secured to said body, exposed at said top surface of said body and connected to said needle electrode and said second electrode, respectively, said connectors being configured for positive electrical connection to the leads of the microprocessor for sending signals thereto.
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Specification