Environmental state detection with hydrogel based fully integrated transducer device
A technology of sensor equipment and environmental status, which is applied to the detection of environmental status in biological materials, sensor equipment for environmental status, medical systems, and the field of detection of environmental status. It can solve complex sensor manufacturing, large sensor structure shape, biological Problems such as sensor calibration difficulties, to achieve the effect of increased life expectancy
Inactive Publication Date: 2009-09-02
KONINK PHILIPS ELECTRONICS NV
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Problems solved by technology
The biosensors described above have the disadvantage that a pressure sensor is required, which makes calibration of the biosensor rather difficult
The implantable chip biosensor has the disadvantage that an external scanner is necessary in order to operate the biosensor
The implantable chip biosensor has the disadvantage that several sensor components are necessary, which makes (a) the fabrication of the sensor rather complex, and (b) the structural shape of the sensor is relatively large
Method used
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[0080] The illustration in the figure is schematic. It is noted that in different figures, similar or identical elements are provided with the same reference signs or with reference signs that differ from the corresponding reference signs only in the first digit.
[0081] figure 1 A simple schematic diagram of a sensor device 100 is shown, which may be used as a drug monitoring device. The sensor device 100 comprises a housing 101 in which a plurality of components of the sensor device 100 are embedded. The outer surface of the housing 101 is smooth so that the encapsulation of the sensor device 100 is slowed down during the in vivo application of the sensor device 100 . Such an encapsulation is typically caused by the immune system of the human or animal body, which sooner or later recognizes the sensor device 100 as a foreign body. Due to the slowed encapsulation of the sensor device 100, the lifetime of the sensor device 100 in the patient will be reduced.
[0082] The ...
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Abstract
The invention describes a hydrogel based transducer device for detecting an environmental state, in particular for detecting an environmental state within a biological material. The transducer device (300) comprises a base element (302), a radiation source (305), which is formed at the base element (302) and which is adapted to emit electromagnetic radiation (306), an optical element (325), which is arranged at the base element (302) and which is adapted to interact with the electromagnetic radiation (306). The transducer device (300) further comprises a radiation detector (350), which is adapted to receive the electromagnetic radiation (326) having interacted with the optical element (325), and a hydrogel material (340), which is mechanically coupled to the optical element (325) and which is adapted to change its volume when getting into contact with an environmental material of the transducer device (300) such that the spatial position of the optical element (325) is changed. The base element (302), the radiation source (305) and the radiation detector (350) are formed integrally from an electronic substrate material.
Description
technical field [0001] The present invention relates to the field of detecting the physical or chemical state of a material surrounding a probe. In particular, the present invention relates to sensor devices for detecting environmental conditions, in particular for detecting environmental conditions within biological material surrounding a transducer device. [0002] Furthermore, the invention relates to a medical system comprising a sensor device as described above. [0003] Furthermore, the invention relates to a method for detecting an environmental state by means of a sensor device, in particular for detecting an environmental state within a biological material. Background technique [0004] Sensitive, selective, and robust sensors capable of monitoring small amounts of body fluids are one of the key components for developing responsive drug delivery systems. Protein engineering and molecular biology have facilitated the molecular design of biological reagents that are...
Claims
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IPC IPC(8): G01N21/17G01N21/77A61B5/00
CPCG01N2021/7723A61B5/01G01N21/77A61B5/0084A61B5/0071A61B5/0031A61B5/14539
Inventor V·P·伊奥达诺夫M·P·B·范布鲁根H·C·克里恩森A·-M·詹纳
Owner KONINK PHILIPS ELECTRONICS NV
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