Optical fiber continuous detecting blood sensor and wearing apparatus thereof

Abstract

The application relates to the field of blood pressure detecting, provides an optical fiber continuous detecting blood sensor which includes sensing band. The sensing band includes an inner layer and an outer layer, and an accommodation space is formed between the inner layer and the outer layer. An optical fiber is provided in the accommodation space. One end of the sensing band is provided with a signal processor communicates with the optical fiber. The outer surface of the sensing band is covered by an elastic layer. The sensing band is flexible and can be curled into a ring. The optical fiber is arranged to extend along the sensing band so as to form a ring-shape sensing area. The outer surface of the sensing band is covered by an elastic layer, thereby the banding can be worn on the human wrist radial artery area securely. When detecting the blood pressure, even the sensing band rotates or dislocates because of the free movement of the people, the sensing area still can sense the pulse wave. There will not be any special positioning to wear the sensing band, and the 24 hours non-invasive continuous detection which is stable and precise for human blood detecting can be realized. The wearing apparatus is provided by the application includes an optical fiber continuous detecting blood sensor.

1 . An optical fiber continuous detecting blood pressure sensor, which is used for detecting blood and comprises: a sensing band which is flexible and can be curled into a ring, wherein, the sensing band includes an inner layer which abuts to the detected surface and an outer layer; an accommodation space is formed between the inner layer and the outer layer; an optical fiber is provided in the accommodation space and extends along the sensing band so as to form a sensing area to sense a pulse wave; a signal processor is provided on one end of the sensing band and used to convert a luminous decay signal generated by decaying a light signal through the optical fiber into a charge unit so as to calculate the pulse wave; the signal processor is communicated with the optical fiber, and an outer surface of the sensing band is covered by a scalable elastic layer. 
     
     
         2 . The optical fiber continuous detecting blood pressure sensor according to  claim 1 , wherein, a corrugate first concave-convex structure is formed on an outer surface of the inner layer. 
     
     
         3 . The optical fiber continuous detecting blood pressure sensor according to  claim 2 , wherein, the shape of the first convex-concave structure is selected from a triangular corrugated shape, a circular corrugated shape or, a quadrate corrugated shape, a trapezoidal corrugated shape, and any combination of at least two of these shapes. 
     
     
         4 . The optical fiber continuous detecting blood pressure sensor according to  claim 3 , wherein, the optical fiber includes an optical fiber row which has several U-shape concatenated cabling extends along the longitudinal direction or width direction of the sensing band. 
     
     
         5 . The optical fiber continuous detecting blood pressure sensor according to  claim 3 , wherein, the optical fiber includes an optical fiber row which has several S-shape concatenated cablings extending along the longitudinal direction or width direction of the sensing band. 
     
     
         6 . The optical fiber continuous detecting blood pressure sensor according to  claim 3 , wherein, the optical fiber includes an optical fiber row which has several O-shape concatenated cablings extending along the longitudinal direction or width direction of the sensing band. 
     
     
         7 . The optical fiber continuous detecting blood pressure sensor according to  claim 6 , wherein, the signal processor includes an optical detecting module used to receive the light decay signal of the optical fiber, a signal calculating and processing module used to convert the light decay signal of the optical fiber into charge unit so as to calculate the pulse wave, a blood pressure calibrating module used to process, analyze and calculate the pulse wave in order to obtain the blood pressure value, a memory module used to store the blood pressure value, and a displaying module used to display the blood pressure value. 
     
     
         8 . The optical fiber continuous detecting blood pressure sensor according to  claim 11 , at least two optical fiber rows are superposed vertically, and bending portions of the cablings of the two vertically superposed and adjacent optical fiber rows are staggered. 
     
     
         9 . The optical fiber continuous detecting blood pressure sensor according to  claim 11 , at least two optical fiber rows are superposed vertically, and bending portions of the cablings of the two vertically superposed and adjacent optical fiber rows are staggered transversely and longitudinally. 
     
     
         10 . A wearing apparatus, comprising the optical fiber continuous detecting blood pressure sensor according to  claim 1 . 
     
     
         11 . The optical fiber continuous detecting blood pressure sensor according to  claim 4 , wherein, the signal processor includes an optical detecting module used to receive the light decay signal of the optical fiber, a signal calculating and processing module used to convert the light decay signal of the optical fiber into charge unit so as to calculate the pulse wave, a blood pressure calibrating module used to process, analyze and calculate the pulse wave in order to obtain the blood pressure value, a memory module used to store the blood pressure value, and a displaying module used to display the blood pressure value. 
     
     
         12 . The optical fiber continuous detecting blood pressure sensor according to  claim 5 , wherein, the signal processor includes an optical detecting module used to receive the light decay signal of the optical fiber, a signal calculating and processing module used to convert the light decay signal of the optical fiber into charge unit so as to calculate the pulse wave, a blood pressure calibrating module used to process, analyze and calculate the pulse wave in order to obtain the blood pressure value, a memory module used to store the blood pressure value, and a displaying module used to display the blood pressure value. 
     
     
         13 . The optical fiber continuous detecting blood pressure sensor according to  claim 12 , at least two optical fiber rows are superposed vertically, and bending portions of the cablings of the two vertically superposed and adjacent optical fiber rows are staggered. 
     
     
         14 . The optical fiber continuous detecting blood pressure sensor according to  claim 7 , at least two optical fiber rows are superposed vertically, and bending portions of the cablings of the two vertically superposed and adjacent optical fiber rows are staggered. 
     
     
         15 . The optical fiber continuous detecting blood pressure sensor according to  claim 12 , at least two optical fiber rows are superposed vertically, and bending portions of the cablings of the two vertically superposed and adjacent optical fiber rows are staggered transversely and longitudinally. 
     
     
         16 . The optical fiber continuous detecting blood pressure sensor according to  claim 7 , at least two optical fiber rows are superposed vertically, and bending portions of the cablings of the two vertically superposed and adjacent optical fiber rows are staggered transversely and longitudinally. 
     
     
         17 . A wearing apparatus, comprising the optical fiber continuous detecting blood pressure sensor according to  claim 2 . 
     
     
         18 . A wearing apparatus, comprising the optical fiber continuous detecting blood pressure sensor according to  claim 3 . 
     
     
         19 . A wearing apparatus, comprising the optical fiber continuous detecting blood pressure sensor according to  claim 4 . 
     
     
         20 . A wearing apparatus, comprising the optical fiber continuous detecting blood pressure sensor according to  claim 5 . 
     
     
         21 . A wearing apparatus, comprising the optical fiber continuous detecting blood pressure sensor according to  claim 6 . 
     
     
         22 . A wearing apparatus, comprising the optical fiber continuous detecting blood pressure sensor according to  claim 11 . 
     
     
         23 . A wearing apparatus, comprising the optical fiber continuous detecting blood pressure sensor according to  claim 12 . 
     
     
         24 . A wearing apparatus, comprising the optical fiber continuous detecting blood pressure sensor according to  claim 7 . 
     
     
         25 . A wearing apparatus, comprising the optical fiber continuous detecting blood pressure sensor according to  claim 8 . 
     
     
         26 . A wearing apparatus, comprising the optical fiber continuous detecting blood pressure sensor according to  claim 13 . 
     
     
         27 . A wearing apparatus, comprising the optical fiber continuous detecting blood pressure sensor according to  claim 14 . 
     
     
         28 . A wearing apparatus, comprising the optical fiber continuous detecting blood pressure sensor according to  claim 9 . 
     
     
         29 . A wearing apparatus, comprising the optical fiber continuous detecting blood pressure sensor according to  claim 15 . 
     
     
         30 . A wearing apparatus, comprising the optical fiber continuous detecting blood pressure sensor according to  claim 16 .