US8465425B2 - Analyte Monitoring Device and Methods of Use - Google Patents > 자유게시판

More significantly, the current invention relates to devices and strategies for the in vivo monitoring of an analyte using an electrochemical sensor to provide data to a affected person about the level of the analyte. High or low levels of glucose or BloodVitals SPO2 different analytes may have detrimental effects. This system doesn't permit steady or automatic monitoring of glucose levels in the physique, but typically have to be carried out manually on a periodic foundation. Unfortunately, the consistency with which the extent of glucose is checked varies broadly among people. Many diabetics discover the periodic testing inconvenient they usually generally overlook to check their glucose stage or wouldn't have time for a correct check. In addition, some individuals want to avoid the pain associated with the take a look at. These conditions could result in hyperglycemic or hypoglycemic episodes. An in vivo glucose sensor BloodVitals SPO2 that constantly or robotically displays the individual's glucose stage would allow individuals to extra simply monitor their glucose, or different analyte, ranges.

Some devices embrace a sensor guide which rests on or near the pores and skin of the patient and may be attached to the patient to hold the sensor in place. These sensor BloodVitals SPO2 guides are typically bulky and don't allow for freedom of movement. The size of the sensor BloodVitals SPO2 guides and presence of cables and wires hinders the convenient use of those units for on a regular basis applications. There is a necessity for a small, compact gadget that can operate the sensor and provide indicators to an analyzer with out considerably restricting the movements and activities of a patient. Continuous and/or automated monitoring of the analyte can provide a warning to the affected person when the extent of the analyte is at or close to a threshold level. For instance, if glucose is the analyte, then the monitoring gadget is perhaps configured to warn the patient of present or impending hyperglycemia or hypoglycemia. The patient can then take applicable actions. Many of these gadgets are small and comfortable when used, thereby allowing a wide range of activities.

One embodiment is a sensor management unit having a housing tailored for placement on pores and skin. The housing is also tailored to receive a portion of an electrochemical sensor. Other parts and choices for the sensor are described beneath. Further parts and options for the display unit are described under. Another embodiment is a method of using an electrochemical sensor. An insertion gun is aligned with a port on the mounting unit. One embodiment of the invention is a method for detecting failures in an implanted analyte-responsive sensor. An analyte-responsive sensor is implanted into a affected person. N working electrodes, the place N is an integer and is 2 or larger, and a common counter electrode. Signals generated at one of many N working electrodes and at the frequent counter electrode are then obtained and the sensor is determined to have failed if the sign from the widespread counter electrode is not N occasions the sign from one of many working electrodes, inside a predetermined threshold limit.

Yet another embodiment is a method of calibrating an electrochemical sensor BloodVitals SPO2 having one or more working electrodes implanted in a affected person. The calibration worth is then associated to at least one of the signals from the a number of working electrodes if the conditions described above are met. Two or extra conductive contacts on the sensor control unit are coupled to contact pads on the sensor. Then, using the sensor management unit, data is collected concerning a level of an analyte from indicators generated by the sensor. The collected data is transmitted to a display unit and a sign of the level of the analyte is displayed on the display unit. FIG. 2 is a prime view of one embodiment of an analyte sensor, according to the invention. FIG. 3B is a cross-sectional view of one other embodiment of an analyte sensor, in keeping with the invention. FIG. 4A is a cross-sectional view of a 3rd embodiment of an analyte sensor, in keeping with the invention.