Orthogonally redundant sensor systems and methods

A glucose sensor, redundant technology, used in closed-loop systems, sensors that sense various physiological parameters such as glucose concentration, closed-loop insulin infusion systems, and can solve problems such as noise or temporary or permanent failures, sensor drift, etc.

Active Publication Date: 2014-07-09
MEDTRONIC MIMIMED INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Such data may be caused by drift, noise, or temporary or permanent failure of the sensor, often due to the impact of the implanted environment on the sensor

Method used

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  • Orthogonally redundant sensor systems and methods
  • Orthogonally redundant sensor systems and methods
  • Orthogonally redundant sensor systems and methods

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Embodiment Construction

[0053] In the following description, reference is made to the accompanying drawings which form a part hereof, and which illustrate several embodiments of the invention. It is to be understood that other embodiments may be utilized and mechanical and operational changes may be made without departing from the scope of the present invention.

[0054] As shown in the drawings for illustrative purposes, embodiments of the present invention relate to transdermally introduced and / or injected or implanted subcutaneously, dermally, subdermally, intraperitoneally or in abdominal tissue and / or via Subcutaneous, dermal, subdermal, intraperitoneal or intraperitoneal tissue implanted transducers. In the discussion herein, preferred embodiments of the devices, systems and methods of the present invention are described with reference to glucose as the analyte whose level / concentration in the user's blood and / or bodily fluids is to be determined. However, this is by way of illustration and no...

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Abstract

A continuous glucose monitoring system may include a hand-held monitor, a transmitter, an insulin pump, and an orthogonally redundant glucose sensor, which may comprise an optical glucose sensor and a non-optical glucose sensor. The former may be a fiber optical sensor, including a competitive glucose binding affinity assay with a glucose analog and a fluorophore-labeled glucose receptor, which is interrogated by an optical interrogating system, e.g., a stacked planar integrated optical system. The non-optical sensor may be an electrochemical sensor having a plurality of electrodes distributed along the length thereof. Proximal portions of the optical and electrochemical sensors may be housed inside the transmitter and operationally coupled with instrumentation for, e.g., receiving signals from the sensors, converting to respective glucose values, and communicating the glucose values. The sensors' distal portions may be inserted into a user's body via a single delivery needle and may be co-located inside the user's body.

Description

[0001] relevant application data [0002] This application claims U.S. Provisional Application Serial No. 61 / 531449 filed September 6, 2011 and U.S. Provisional Application Serial No. 61 / 531451 filed September 6, 2011 and U.S. Provisional Application Serial No. 61 / 531451 filed September 6, 2011 61 / 531456 and U.S. Provisional Application Serial No. 61 / 554057 filed November 1, 2011 and U.S. Provisional Application Serial No. 61 / 561146 filed November 17, 2011 and U.S. Provisional Application Serial No. filed January 18, 2012 No. 61 / 587819 and priority to U.S. Provisional Application Serial No. 61 / 620563, filed April 5, 2012, and filed concurrently with this application under Attorney Docket No. 040088-0405702 entitled "Optical Sensor Systems and Methods" related U.S. patent applications, all of which are hereby incorporated by reference in their entirety. technical field [0003] Embodiments of the invention generally relate to sensor technology, including sensors for sensing va...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/00A61B5/1459A61B5/1473A61B5/1455G01N21/77
CPCA61B5/6849A61B5/0002A61B5/14556A61B5/1459A61B5/1473G01N21/6408G01N21/6428G01N21/7703G01N2021/6441G01N2021/6484G01N2021/772G01N2021/7733G01N2021/775G01N2021/7759G01N2021/7786A61B5/4839G01N33/66G01N2333/4724A61B5/14532A61B5/0004A61B5/6848A61B5/742A61M5/1723A61M2230/201
Inventor R·沙阿J·S·克里斯滕森K·T·沃尔夫S·阿斯穆尔A·邦萨尔
Owner MEDTRONIC MIMIMED INC
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