CN217696584U

CN217696584U - Sensor patch integrating blood oxygen and cerebral blood oxygen detection and wearable device

Info

Publication number: CN217696584U
Application number: CN202120341717.8U
Authority: CN
Inventors: 黄金磊
Original assignee: Institute of Flexible Electronics Technology of THU Zhejiang
Current assignee: Institute of Flexible Electronics Technology of THU Zhejiang
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2022-11-01
Anticipated expiration: 2031-02-05

Abstract

Sensor paster and wearable equipment that integrated blood oxygen and brain blood oxygen detected, this sensor paster include flexible substrate, be used for sending the first light source that detects the light of blood oxygen, be used for sending second light source and the detector that detects the light of brain blood oxygen, first light source the second light source reaches the detector all set up in on the same side of flexible substrate, first light source reaches the wavelength that the second light source sent light is different, the detector is right first light source reaches the light that the second light source sent is gathered. The sensing patch can detect blood oxygen and cerebral blood oxygen simultaneously, so that the oxygen deficiency state and the brain state can be comprehensively analyzed, and the balance between oxygen consumption and oxygen supply of brain tissues is judged.

Description

Sensor patch integrating blood oxygen and cerebral blood oxygen detection and wearable device

Technical Field

The utility model belongs to the technical field of wearable check out test set technique and specifically relates to a sensor paster and wearable equipment that integrated blood oxygen and brain blood oxygen detected.

Background

The blood oxygen sensor is an instrument for measuring the blood oxygen saturation in a human blood vessel, in the prior art, two detection modes of an invasive detection mode and a non-invasive detection mode are generally adopted, the invasive detection mode is to extract blood in an artery and detect the blood oxygen saturation by utilizing a blood gas analysis mode, the detection of the invasive detection mode is more accurate, but the application field of the invasive detection mode is limited due to the defects that the invasive detection mode is invasive, complex, the continuous detection cannot be realized, and the like. The non-invasive detection method generally adopts a photoplethysmography (PPG) signal as an information carrier to construct a continuous non-invasive blood oxygen saturation detection model.

Among the prior art, the reflectance type blood oxygen saturation detection technology is well developed because of its high flexibility. The far-away is that the light-emitting device and the receiving device are placed on the same side of the measurement part, and light enters the receiving device after being reflected in blood, so that the blood oxygen saturation degree is analyzed.

Among blood oxygen sensors, a cerebral blood oxygen sensor for detecting the blood oxygen saturation in the brain has special significance clinically, and the brain blood oxygen saturation reflects the balance percentage between oxygen consumption and oxygen supply of brain tissues and is a key index of physiological signals of the brain of a human body. The cerebral blood oxygen sensor can also adopt the near infrared spectrum technology to carry out non-invasive measurement.

In the prior art, because the required light is different when measuring the blood oxygen and the cerebral blood oxygen saturation, separate devices are generally adopted to measure the blood oxygen and the cerebral blood oxygen saturation respectively, but in life and clinic, the data is not enough to evaluate the comprehensive state of the human body.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a sensor paster that integrated blood oxygen and brain blood oxygen detected and have its wearable equipment, this sensor paster can detect blood oxygen and brain blood oxygen simultaneously to can analyze oxygen deficiency state and brain state synthetically, judge the equilibrium between brain tissue oxygen consumption and the oxygen suppliment.

The utility model provides a sensor paster that integrated blood oxygen and brain blood oxygen detected, including flexible base plate, be used for sending the first light source that detects the light of blood oxygen, be used for sending the second light source and the detector that detect the light of brain blood oxygen, first light source the second light source reaches the detector all set up in on the same side of flexible base plate, first light source reaches the wavelength that the second light source sent light is different, the detector is right first light source reaches light that the second light source sent is gathered.

Further, a distance between the first light source and the detector is smaller than a distance between the second light source and the detector.

Further, the distance between the first light source and the detector is less than 10mm, preferably 5mm, and the distance between the second light source and the detector is 20-40mm, preferably 28mm.

Furthermore, the first light source and the second light source are both dual-wavelength LEDs, the dual wavelengths of the first light source are 660nm and 950nm respectively, and the dual wavelengths of the second light source are 660nm and 850nm respectively.

Furthermore, a storage battery is arranged in the flexible substrate, and a first electrode plate and a second electrode plate for charging the storage battery are further arranged on the surface of the flexible substrate.

Further, a third electrode plate is further arranged on the flexible substrate, a charging detection circuit is arranged between the third electrode plate and the second electrode plate, a control unit is arranged in the flexible substrate, the control unit judges the charging state of the sensor patch integrating blood oxygen and cerebral blood oxygen detection according to the change condition of the voltage or current of the charging detection circuit, and when the sensor patch integrating blood oxygen and cerebral blood oxygen detection is in the charging state, the control unit closes the sensor patch integrating blood oxygen and cerebral blood oxygen detection.

Furthermore, a fourth electrode plate for function expansion is further arranged on the flexible substrate, and the first electrode plate and the fourth electrode plate are in a shape of a fish.

Furthermore, a control unit and a wireless transmission module are arranged in the flexible substrate, and the control unit is electrically connected with the wireless transmission module.

The utility model also provides a wearable equipment, including fixed plate, fixed band to and foretell integrated blood oxygen and brain blood oxygen sensor patch that detects, integrated blood oxygen and brain blood oxygen sensor patch detachably that detects set up in on the fixed plate the both sides of fixed plate all are provided with one the fixed band.

Furthermore, one of the two fixing belts is provided with a plurality of fastening holes arranged at intervals along the length direction of the fixing belt, and the other fixing belt is provided with a fastening nail.

To sum up, the utility model discloses a set up first light source and second light source simultaneously on flexible substrate to make the light that the detector sent first light source and second light source gather, this can make this sensor paster carry out the detection of blood oxygen and brain blood oxygen to the human body as required. Thereby can synthesize and carry out the analysis to oxygen deficiency state and brain state, judge the equilibrium between brain tissue oxygen consumption and the oxygen suppliment furtherly, through the setting of flexible substrate, can make this sensor paster more laminate human skin for detect more accuracy.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic front view of a sensor patch for integrated blood oxygen and cerebral blood oxygen detection provided by an embodiment of the present invention.

Fig. 2 is a rear view of the patch of fig. 1.

FIG. 3 is a system block diagram of a sensor patch.

Fig. 4 is a schematic structural diagram of the wearable device.

Fig. 5 is an exploded view of the wearable device of fig. 3.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the invention, the following detailed description is given with reference to the accompanying drawings and preferred embodiments.

The utility model provides a sensor paster that integrated blood oxygen and brain blood oxygen detected and have its wearable equipment, this sensor paster can detect blood oxygen and brain blood oxygen simultaneously to can synthesize and carry out the analysis to oxygen deficiency state and brain state, judge the equilibrium between brain tissue oxygen consumption and the oxygen suppliment.

Fig. 1 is a front view schematic structural diagram of a sensor patch integrated with blood oxygen and cerebral blood oxygen detection provided by an embodiment of the present invention, fig. 2 is a rear view schematic structural diagram of the patch in fig. 1, and fig. 3 is a system block diagram of the sensor patch. As shown in fig. 1 to fig. 3, the embodiment of the present invention provides a sensor patch 10 for integrated blood oxygen and brain blood oxygen detection, which includes a flexible substrate 11, a first light source 121 for emitting light for detecting blood oxygen, a second light source 122 for emitting light for detecting brain blood oxygen, and a detector 123, wherein the first light source 121, the second light source 122, and the detector 123 are all disposed on the same side of the flexible substrate 11, and the detector 123 collects light emitted by the first light source 121 and the second light source 122.

When blood oxygen detection is performed, the first light source 121 emits light, the light is reflected by blood in a human body and then reaches the detector 123, and the blood oxygen can be detected through signals received by the detector 123; when the cerebral blood oxygen detection is performed, the second light source 122 emits light, the light is emitted through blood in the cerebral tissue and then reaches the detector 123, and the cerebral blood oxygen can be detected through signals received by the detector 123.

In the present embodiment, the first light source 121 and the second light source 122 are disposed on the flexible substrate 11 at the same time, and the detector 123 collects light emitted by the first light source 121 and the second light source 122, so that the sensor patch 10 can detect blood oxygen and brain blood oxygen of a human body according to requirements. Therefore, the oxygen deficiency state and the brain state can be comprehensively analyzed, and the balance between oxygen consumption and oxygen supply of the brain tissue can be judged. Further, through the arrangement of the flexible substrate 11, the sensor patch 10 can be made to be more attached to the skin of a human body, so that the detection is more accurate.

Further, in the present embodiment, the flexible substrate 11 may be made of silicone, rubber, TPU (Thermoplastic polyurethane elastomers), or TPE.

In the present embodiment, since the wavelengths of the emitted light waves of the first light source 121 and the second light source 122 are different, the distance between the first light source 121 and the detector 123 (i.e. a in fig. 1) is smaller than the distance between the second light source 122 and the detector 123 (i.e. b in fig. 1), in the present embodiment, the first light source 121 and the detector 123 may be integrally packaged, the distance between the first light source 121 and the detector 123 is smaller than 10mm, preferably 5mm, and the distance between the second light source 122 and the detector 123 is 20-40mm, preferably 28mm.

Further, the first light source 121 and the second light source 122 are both dual-wavelength LEDs, the dual-wavelength LEDs of the first light source 121 have wavelengths of 660nm and 950nm, respectively, and the dual-wavelength LEDs of the second light source 122 have wavelengths of 660nm and 850nm, respectively.

Further, a battery 141 is provided inside the flexible substrate 11, and a first electrode sheet 131 and a second electrode sheet 132 for charging the battery 141 are also provided on the surface of the flexible substrate 11. The first electrode sheet 131 and the second electrode sheet 132 are disposed on the flexible substrate 11 at a side where the first light source 121, the second light source 122 and the detector 123 are located, and are located between the detector 123 and the second light source 122.

Further, a third electrode sheet 133 and a control unit 142 are further disposed on the flexible substrate 11, a charging detection circuit 143 is disposed between the second electrode sheet 132 and the third electrode sheet 133, the detector 123 and the charging detection circuit 143 are both electrically connected to the control unit 142, when the charger charges the sensor patch 10, the first electrode sheet 131 and the second electrode sheet 132 are connected to a charging line of the charger, and the third electrode sheet 133 is connected to a positioning electrode sheet of the charger, when charging is performed, electrical communication is achieved between the positioning electrode sheet on the charger and the electrode sheet corresponding to the second electrode sheet 132, the control unit 142 determines whether the sensor patch 10 is in a charging state through a change in voltage or current on the charging detection circuit 143, and through the third electrode sheet 133 and the charging detection circuit 143, the charging state of the sensor patch 10 can be determined, and whether the sensor patch 10 is located at a correct position of the charger can be determined. When the sensor patch 10 is in a charged state, the control unit 142 turns off the sensor patch 10.

Further, a fourth electrode sheet 134 is further disposed on the flexible substrate 11, and the fourth electrode sheet 134 may be a decorative electrode sheet or an electrode sheet reserved for function expansion. When viewed from the direction perpendicular to the surface of the flexible substrate 11, the first electrode tab 131 and the fourth electrode tab 134 are fish-shaped, and this arrangement facilitates the contact between the charging terminal of the charger and the first electrode tab 131, and is more attractive.

Further, a wireless transmission module 144, such as a bluetooth module, is disposed in the flexible substrate 11, the wireless transmission module 144 is electrically connected to the control unit 142, and the wireless transmission module 144 is used for detecting data transmission and receiving a detection command.

Further, a control switch 111 for turning on the sensor patch 10 is further disposed on the flexible substrate 11, and the control switch 111 may be located on a side of the flexible substrate 11 away from the first light source 121, the second light source 122 and the detector 123.

To sum up, the utility model discloses a set up first light source 121 and second light source 122 simultaneously on flexible substrate 11 to make the light that detector 123 sent first light source 121 and second light source 122 gather, this can make this sensor paster 10 carry out the detection of blood oxygen and brain blood oxygen to the human body as required. Therefore, the oxygen deficiency state and the brain state can be comprehensively analyzed, and the balance between oxygen consumption and oxygen supply of the brain tissue can be judged. Further, through the arrangement of the flexible substrate 11, the sensor patch 10 can be made to be more attached to the skin of a human body, so that the detection is more accurate.

Fig. 4 is a schematic structural diagram of a wearable device, and fig. 5 is a schematic exploded structural diagram of the wearable device in fig. 3. As shown in fig. 4 and 5, the utility model also provides a wearable device, including foretell integrated blood oxygen and brain blood oxygen detection's sensor paster 10, fixed plate 21 and fixed band 22, sensor paster 10 detachably sets up on fixed plate 21, and the both sides of fixed plate 21 all are provided with a fixed band 22.

Further, an adhesive 23 may be disposed between the sensor patch 10 and the fixing plate 21 to facilitate the fixing of the sensor patch 10.

Further, a plurality of fastening holes 221 are formed at intervals along the length direction of the fastening tape 22 on one of the two fastening tapes 22, and a fastening pin 222 is formed on the other one of the two fastening tapes 22, and the fastening of the fastening tape 22 is completed by inserting the fastening pin 222 into the fastening holes 221.

Further, a hollow portion 223 is formed on the fixing band 22 with the fastening nail 222, so as to facilitate heat dissipation of the portion of the human body covered by the fixing band 22.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes without departing from the technical scope of the present invention.

Claims

1. The utility model provides an integrated blood oxygen and sensor paster that brain blood oxygen detected which characterized in that: including flexible substrate, be used for sending the first light source that detects the light of blood oxygen, be used for sending second light source and the detector that detects the light of brain blood oxygen, first light source the second light source reaches the detector all set up in on the same side of flexible substrate, the detector is right first light source reaches the light that the second light source sent is gathered.

2. The sensor patch for integrated blood oxygen and cerebral blood oxygen detection according to claim 1, wherein: the distance between the first light source and the detector is smaller than the distance between the second light source and the detector.

3. The sensor patch for integrated blood oxygen and cerebral blood oxygen detection according to claim 2, wherein: the distance between the first light source and the detector is less than 10mm, and the distance between the second light source and the detector is 20-40mm.

4. The integrated blood oxygen and brain blood oxygen detection sensor patch according to claim 3, wherein the distance between the first light source and the detector is 5mm, and the distance between the second light source and the detector is 28mm.

5. The sensor patch for integrated blood oxygen and cerebral blood oxygen detection according to claim 1, wherein: the first light source and the second light source are both dual-wavelength LEDs, the dual wavelengths of the first light source are 660nm and 950nm respectively, and the dual wavelengths of the second light source are 660nm and 850nm respectively.

6. The sensor patch for integrated blood oxygen and cerebral blood oxygen detection according to claim 1, wherein: the flexible substrate is internally provided with a storage battery, and the surface of the flexible substrate is also provided with a first electrode plate and a second electrode plate which are used for charging the storage battery.

7. The sensor patch for integrated blood oxygen and cerebral blood oxygen detection according to claim 6, wherein: the flexible substrate is further provided with a third electrode plate, a charging detection circuit is arranged between the third electrode plate and the second electrode plate, a control unit is arranged in the flexible substrate, the control unit judges the charging state of the sensor patch integrating blood oxygen and cerebral blood oxygen detection according to the change condition of the voltage or current of the charging detection circuit, and when the sensor patch integrating blood oxygen and cerebral blood oxygen detection is in the charging state, the control unit closes the sensor patch integrating blood oxygen and cerebral blood oxygen detection.

8. The sensor patch for integrated blood oxygen and cerebral blood oxygen detection according to claim 6, wherein: the flexible substrate is further provided with a fourth electrode plate for function expansion, and the first electrode plate and the fourth electrode plate are in a shape of a fish.

9. The sensor patch for integrated blood oxygen and cerebral blood oxygen detection according to claim 1, wherein: the flexible substrate is internally provided with a control unit and a wireless transmission module, and the control unit is electrically connected with the wireless transmission module.

10. A wearable device, characterized by: the integrated blood oxygen and brain blood oxygen detecting sensor patch comprises a fixing plate, a fixing band and the integrated blood oxygen and brain blood oxygen detecting sensor patch according to any one of claims 1 to 9, wherein the integrated blood oxygen and brain blood oxygen detecting sensor patch is detachably arranged on the fixing plate, and the fixing band is arranged on both sides of the fixing plate.

11. The wearable device of claim 10, wherein: one of the two fixing belts is provided with a plurality of button holes arranged at intervals along the length direction of the fixing belt, and the other fixing belt is provided with a button nail.