Pressure sensor, and preparation method and use method of pressure sensor
A pressure sensor, line direction technology, applied in pressure sensors, sensors, applications, etc., can solve the problems of high hardness, poor processing performance, blood vessel damage, etc., to achieve high detection sensitivity, improve affinity, and avoid damage.
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[0029] The pressure sensor provided by the present invention and its preparation method and use method will be further described below.
[0030] Such as figure 1 and figure 2 As shown, the blood vessel pressure sensor of an embodiment provided by the present invention is mainly used for implanting in blood vessels, especially pulmonary arteries, for detecting pressure parameters in blood vessels.
[0031] The pressure sensor includes a flexible substrate 10 and a resonant circuit layer 20 compounded on the surface of the flexible substrate 10. The material of the flexible substrate 10 includes a temperature-sensitive shape memory polymer. The resonant circuit layer 20 includes a capacitive region 21, and a first The coil area 22 and the second coil area 23 .
[0032] Wherein, the temperature-sensitive shape memory polymer includes at least one of polyurethane, N-isopropylacrylamide, methylcellulose or polyvinyl alcohol-vinyl acetate copolymer. The flexible matrix 10 is mad...
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