Brain oxygen and blood oxygen composite probe, monitoring system and head-mounted equipment

Abstract

The utility model provides a brain oxygen and blood oxygen composite probe, a monitoring system and head-mounted equipment. The brain oxygen and blood oxygen composite probe comprises a probe base, and the probe base is provided with a brain oxygen light source used for emitting brain oxygen detection light to the brain; the brain oxygen sensor is used for receiving and detecting brain oxygen detection light transmitted from the brain; the blood oxygen light source is used for generating blood oxygen detection light to the brain; the blood oxygen sensor is used for receiving and detecting brain oxygen detection light transmitted from the brain. According to the brain oxygen and blood oxygen composite probe, a brain oxygen detection end and a blood oxygen detection end are integrated on the same probe equivalently, monitoring of two types of parameters can be completed by using the same probe in clinical application, the number of monitors bound on a patient can be reduced under the condition that the types of the monitored parameters are not affected, and the monitoring efficiency is improved. The use convenience and the comfort of the patient are improved, and the bad condition that the monitoring result is influenced by the monitor looseness caused by the movement of the patient is relieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical equipment, in particular to a cerebral oxygen and blood oxygen composite probe, and a monitoring system and a head-mounted device comprising the same. BACKGROUND

[0002] Blood oxygen monitoring refers to the monitoring of blood oxygen saturation, which is the percentage of the volume of oxygen combined with hemoglobin in the human blood (specifically, arterial blood) to the total volume of hemoglobin that can be combined, and is an important physiological parameter in the respiratory and circulatory system. The blood oxygen saturation of a normal human body should reach more than 95%, and if the blood oxygen saturation is too low, it can cause brain damage and even threaten life safety. Blood oxygen monitoring is involved in various clinical situations, such as surgery or monitoring.

[0003] Cerebral oxygen monitoring refers to the monitoring of cerebral oxygen saturation, which is a new monitoring method for evaluating the balance of cerebral tissue oxygen supply and demand (specifically, the mixing volume ratio of oxygen in arterial blood and venous blood in the brain tissue). In clinical practice, such as intensive care, neurosurgery, and anesthesia surgery, cerebral oxygen monitoring can provide real-time information on changes in patient cerebral oxygen saturation, optimize intraoperative management, and reduce the incidence of postoperative cerebral neurological dysfunction.

[0004] In many clinical situations, cerebral oxygen and blood oxygen monitoring are required simultaneously, which usually requires fixing a cerebral oxygen monitor on the patient's head and fixing a blood oxygen monitor on the patient's fingers or other parts. At the same time, the patient may also be bound to other monitors for monitoring heart rate, pulse, and other parameters, resulting in a large number of monitors bound to the patient's body, which is not convenient for the patient to turn over or move. If the patient moves slightly, it may cause a monitor to loosen, affecting the monitoring data. CONTENT OF THE UTILITY MODEL

[0005] Therefore, the present application aims to provide a cerebral oxygen and blood oxygen composite probe that can reduce the number of monitors bound to the patient's body without affecting the types of monitoring parameters in clinical applications, improve the convenience of use and patient comfort, and also help to reduce the adverse effects of monitor loosening caused by patient movement on monitoring results.

[0006] In one aspect, the present application provides a cerebral oxygen and blood oxygen composite probe, comprising a probe base, wherein the probe base is provided with:

[0007] a cerebral oxygen light source for emitting cerebral oxygen detection light to the brain;

[0008] a cerebral oxygen sensor for receiving and detecting the cerebral oxygen detection light transmitted from the brain;

[0009] a blood oxygen light source for generating blood oxygen detection light to the brain;

[0010] a blood oxygen sensor configured to receive and detect the brain oxygen detection light emitted from the brain.

[0011] In a possible implementation, the brain oxygen light source and the blood oxygen light source are separated and spaced apart, the brain oxygen light source is connected to the probe base through a first fixing plate, and the blood oxygen light source is connected to the probe base through a second fixing plate.

[0012] In a possible implementation, the blood oxygen sensor comprises a first sensor, the brain oxygen sensor comprises the first sensor and a second sensor, the second sensor is farther away from the brain oxygen light source than the first sensor, and the second sensor is configured to detect the light of the brain oxygen light source emitted from the brain; the first sensor is configured to detect the light of the brain oxygen light source emitted from the brain when the brain oxygen light source is activated, and to detect the light of the blood oxygen light source emitted from the brain when the blood oxygen light source is activated.

[0013] In a possible implementation, the blood oxygen light source is closer to the first sensor than the brain oxygen light source.

[0014] In a possible implementation, the brain oxygen light source, the blood oxygen light source, the first sensor and the second sensor are arranged in sequence along the length direction of the probe base.

[0015] In a possible implementation, the brain oxygen light source and the blood oxygen light source are connected to the probe base through the same fixing plate and located in the same region of the probe base; the blood oxygen sensor comprises a first sensor, and the brain oxygen sensor comprises a second sensor and a third sensor, the second sensor is closer to the brain oxygen light source than the third sensor.

[0016] In a possible implementation, the light-emitting diode of the brain oxygen light source can emit at least two light waves of different wavelengths; the light-emitting diode of the blood oxygen light source can emit two light waves of different wavelengths.

[0017] In a possible implementation, the edge of the probe base is provided with a notch groove recessed inward from the edge line, the notch groove is provided with a plurality of notch grooves distributed along the circumference of the probe base; and / or, the middle part of the probe base is provided with a deformation space, the deformation space is a groove or a through hole arranged along the thickness direction of the probe base.

[0018] The application also provides a monitoring system comprising a controller and the brain oxygen and blood oxygen composite probe according to any one of the above, the controller being configured to make the brain oxygen light source and the blood oxygen light source emit light alternately.

[0019] The application also provides a head-mounted device, comprising a fixing band and the brain-oxygen and blood-oxygen composite probe as claimed in any one of the above, the fixing band being used to fix the brain-oxygen and blood-oxygen composite probe on the head.

[0020] The composite probe provided by the application integrates the brain-oxygen component capable of monitoring brain oxygen and the blood-oxygen component capable of monitoring blood oxygen, which is equivalent to integrating the brain-oxygen detection end and the blood-oxygen detection end on the same probe, and the same probe can be used to complete the monitoring of two types of parameters; in clinical application, the number of monitors bound to the patient can be reduced without affecting the types of monitored parameters, the use convenience and patient comfort are improved, and the adverse situation of affecting the monitoring results due to the loosening of the monitors caused by the movement of the patient is also alleviated. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 Fig. 1 shows the composition of the brain-oxygen and blood-oxygen composite probe in the first angle of the embodiment of the application;

[0022] Fig. 2 Fig. 2 shows the composition of the brain-oxygen and blood-oxygen composite probe in the second angle of the embodiment of the application.

[0023] Figs. 1-2 In the embodiment of the application, the brain-oxygen and blood-oxygen composite probe comprises a probe base, a brain-oxygen light source, a blood-oxygen light source, a first sensor and a second sensor.

[0024] 1, probe base; 101, notch groove; 102, deformation space;

[0025] 2, brain-oxygen light source; 3, blood-oxygen light source; 4, first sensor; 5, second sensor. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the application.

[0027] Please refer to the drawings in the embodiments of the application Figs. 1-2The embodiment of the present application provides a cerebral oxygen and blood oxygen composite probe (hereinafter referred to as a composite probe), which comprises a probe base 1, wherein the probe base 1 is provided with a cerebral oxygen assembly capable of monitoring cerebral oxygen and a blood oxygen assembly capable of monitoring blood oxygen. The cerebral oxygen assembly comprises a cerebral oxygen light source 2 for emitting cerebral oxygen detection light to the brain and a cerebral oxygen sensor for receiving and detecting the cerebral oxygen detection light emitted from the brain; the blood oxygen assembly comprises a blood oxygen light source 3 for generating blood oxygen detection light to the brain and a blood oxygen sensor for receiving and detecting the blood oxygen detection light emitted from the brain. In actual use, the blood oxygen assembly and the cerebral oxygen assembly can be used simultaneously, for example, the blood oxygen light source 3 and the cerebral oxygen light source 2 alternately emit light in turn,

[0028] In this way, the composite probe provided by the present application integrates the cerebral oxygen assembly capable of monitoring cerebral oxygen and the blood oxygen assembly capable of monitoring blood oxygen, that is, the cerebral oxygen detection end and the blood oxygen detection end are integrated on the same probe, so that the same probe can be used to complete the monitoring of the two types of parameters, that is, the blood oxygen monitoring can be performed at the same time when the cerebral oxygen monitor is used to monitor the cerebral oxygen, and it is not necessary to additionally arrange a blood oxygen monitor; and the clinical conditions that usually need to monitor the cerebral oxygen also need to monitor the blood oxygen, so that the composite probe provided by the present application can reduce the number of monitors bound to the patient without affecting the types of monitoring parameters in the clinical application, improve the use convenience and patient comfort, and also help to reduce the adverse conditions that the loosening of the monitor caused by the movement of the patient affects the monitoring results.

[0029] In the present application, the blood oxygen light source 3 comprises a light-emitting diode for emitting red light or infrared light for cerebral oxygen test, and the light-emitting diode of the blood oxygen light source 3 can emit two light waves with different wavelengths, and in actual application, the blood oxygen light source 3 emits the two light waves with different wavelengths in turn.

[0030] The cerebral oxygen sensor and the blood oxygen sensor are both photoelectric sensors, the light emitted by the blood oxygen light source 3 is reflected, scattered and absorbed after entering the frontal tissue, forms an arc-shaped travel path, and finally is emitted from the brain and detected by the cerebral oxygen sensor on the probe. The time length of a single photon passing through the susceptible tissue is measured to evaluate the absolute oxygen content, tissue hypoxia and total hemoglobin amount, and then the cerebral oxygen saturation is obtained. The blood oxygen saturation is measured by the different absorption rates of the peripheral circulating blood to the different wavelength light beams emitted by the blood oxygen light source 3.

[0031] On the probe base 1, the cerebral oxygen light source 2 and the blood oxygen light source 3 can be separately and spacedly arranged.

[0032] For example, the probe base 1 can include a top cover and a base, the top cover and the base are buckled together, the cerebral oxygen light source 2 is connected to the base through the first fixing plate, the blood oxygen light source 3 is connected to the base through the second fixing plate, and the top cover is provided with a light transmission hole for light transmission. Alternatively, the probe base 1 is in the form of a plate body, and the cerebral oxygen light source 2 and the blood oxygen light source 3 are arranged on different regions of the probe base 1. For example, the light emitting diode of the cerebral oxygen light source 2 is fixed on the first fixing plate, and the first fixing plate is fixed on the probe base 1. The light emitting diode of the blood oxygen light source 3 is fixed on the second fixing plate, and the second fixing plate is fixed on the probe base 1 and has a spacing with the first fixing plate.

[0033] The blood oxygen sensor uses a group of sensors, while the cerebral oxygen sensor needs to use two groups of sensors with different detection distances. In this embodiment, since the blood oxygen light source 3 and the cerebral oxygen light source 2 are arranged separately, the blood oxygen sensor can include the first sensor 4, and the cerebral oxygen sensor can include the first sensor 4 and the second sensor 5. That is, the first sensor 4 and the second sensor 5 are arranged on the probe base 1, the first sensor 4 is used to detect the light emitted by the blood oxygen light source 3 and the light emitted by the cerebral oxygen light source 2. The first sensor 4 is used to detect the light of the cerebral oxygen light source 2 transmitted from the brain when the cerebral oxygen light source 2 is enabled, and is used to detect the light of the blood oxygen light source 3 transmitted from the brain when the blood oxygen light source 3 is enabled. The second sensor 5 is used to detect the light of the cerebral oxygen light source 2 transmitted from the brain, and the distance between the second sensor 5 and the cerebral oxygen light source 2 is greater than the distance between the first sensor 4 and the cerebral oxygen light source 2.

[0034] The distance between the blood oxygen light source 3 and the first sensor 4 is set, so that the first sensor 4 can detect and receive the blood oxygen detection light emitted by the blood oxygen light source 3 when the blood oxygen light source 3 is started. At the same time, the distance between the cerebral oxygen light source 2 and the first sensor 4 is set, so that the first sensor 4 can be used to detect and receive the cerebral oxygen detection light emitted by the cerebral oxygen light source 2. At the same time, due to the distance requirement of the first sensor 4 and the blood oxygen light source 3, the distance between the first sensor 4 and the cerebral oxygen light source 2 is shorter than that between the second sensor 5 and the cerebral oxygen light source 2. The first sensor 4 is used to collect the detection data of the near end of the cerebral oxygen detection light, and the second sensor 5 is used to collect the detection data of the far end of the cerebral oxygen detection light.

[0035] The distance between the blood oxygen light source 3 and the first sensor 4 is less than the distance between the brain oxygen light source 2 and the first sensor 4. If the distance between the first sensor 4 and the blood oxygen light source 3 is too far, the blood oxygen detection light emitted from the brain and received by the first sensor 4 will be weak, which will affect the detection result. If the distance between the first sensor 4 and the brain oxygen light source 2 is too close, the light path of the brain oxygen detection light detected by the first sensor 4 will be too close, and the tissue penetrated will be too shallow, which is not the expected light path to be measured, and will seriously affect the measurement accuracy. Therefore, when the two light sources share the first sensor 4, the distance to the first sensor 4 needs to be set, and preferably, the distance between the blood oxygen light source 3 and the first sensor 4 is less than the distance between the brain oxygen light source 2 and the first sensor 4.

[0036] As shown in FIG. 1, the brain oxygen light source 2, the blood oxygen light source 3, the first sensor 4 and the second sensor 5 are arranged in sequence along the length direction of the probe base 1. Fig. 1

[0037] In some embodiments, the blood oxygen light source 3 and the brain oxygen light source 2 are connected to the probe base 1 through the same fixing plate and are located in the same area of the probe base 1. For example, the light-emitting diode of the blood oxygen light source 3 and the light-emitting diode of the brain oxygen light source 2 are fixed on the same fixing plate, and then the fixing plate is fixed on the probe base 1. In this way, the blood oxygen light source 3 and the brain oxygen light source 2 are arranged close to each other or adjacent without spacing. In such embodiments, the blood oxygen sensor includes the first sensor 4, and the brain oxygen sensor includes the second sensor 5 and the third sensor. The distance between the second sensor 5 and the brain oxygen light source 2 is less than the distance between the third sensor and the brain oxygen light source 2. The second sensor 5 is used for near-end detection of the brain oxygen detection light, and the third sensor is used for far-end detection of the brain oxygen detection light. In this way, the blood oxygen sensor and the brain oxygen sensor are arranged separately and work independently, which facilitates the setting of the optimal distance to the corresponding light source.

[0038] In some embodiments, the edge of the probe base 1 is provided with a notch groove 101 recessed from the edge line to the inside, and the notch groove 101 is provided with a plurality of notch grooves 101 distributed along the circumference of the probe base 1. In actual use, the composite probe provided in the present application needs to be fixed to the forehead of the patient, for example, the composite probe is attached to the forehead of the patient by a bandage wrapped around the head of the patient. The provision of a plurality of notch grooves 101 at the edge of the probe base 1 can cause small deformations such as bending or wrinkling when the probe base 1 is attached to the forehead of the patient, thereby improving the attachment of the composite probe to the forehead of the patient and improving the measurement accuracy.

[0039] Similarly, the middle part of the probe base 1 can be provided with a deformation space 102, which is a recess or a through hole arranged in the thickness direction. In this way, the attachment of the composite probe to the forehead of the patient can also be improved, and the measurement accuracy can be improved.

[0040] ​The embodiment of the present application also provides a monitoring system, which comprises a controller and the brain oxygen and blood oxygen combined probe as described in any of the above embodiments, wherein the controller is used to make the blood oxygen light source 3 emit different light waves in turn, make the brain oxygen light source 2 emit different light waves in turn, and make the blood oxygen light source 3 and the brain oxygen light source 2 emit light alternately. It is assumed that each light wave is emitted by a diode monomer. The controller sets the emission time of each diode monomer as T seconds, and makes the diode monomers take turns to emit light alternately and continuously. For example, the brain oxygen light source 2 can emit four light waves of different wavelengths, so the brain oxygen light source 2 has four diode monomers, the blood oxygen light source 3 can emit two light waves of different wavelengths and has two diode monomers. In actual use, the controller makes the four diode monomers of the brain oxygen light source 2 emit light in turn for T seconds, then the two diode monomers of the blood oxygen light source 3 emit light in turn for T seconds, and then the diode monomers of the brain oxygen light source 2 emit light in turn for T seconds... The blood oxygen monitoring and the brain oxygen monitoring can be performed simultaneously and have good measurement accuracy.

[0041] The embodiment of the present application also provides a head-mounted device, which comprises a fixing band and the brain oxygen and blood oxygen combined probe as described in any of the above embodiments, and the fixing band is used to fix the brain oxygen and blood oxygen combined probe on the forehead of a patient. For example, the fixing band is used to be sleeved on the head of the patient, and the fixing band is provided with a structure for fixing the combined probe, and the detection surface of the combined probe is located on the inner side of the fixing band which faces the patient.

[0042] The above describes the basic principles of the present application in combination with specific embodiments, but it should be pointed out that the advantages, advantages, effects and the like mentioned in the present application are only examples and are not limited, and these advantages, advantages, effects and the like cannot be considered as the must-have of each embodiment of the present application. In addition, the above specific details are only for the purpose of example and understanding, and are not limited to the present application.

[0043] The components and devices involved in the present application are only illustrative examples and are not intended to require or imply that the connection, arrangement and configuration must be as shown in the drawings. As a person skilled in the art will recognize, these components and devices can be connected, arranged and configured in any way. Words such as "include", "contain", "have" and the like are open-ended words, which mean "include but not limited to", and can be used interchangeably. The words "or" and "and" used herein mean the word "and / or", and can be used interchangeably unless the context clearly indicates otherwise. The word "such as" used herein means the phrase "such as but not limited to", and can be used interchangeably.

[0044] It should also be noted that in the apparatus, device, system, and method of the present application, each component is detachable and / or re-combinable. These detachments and / or re-combinations should be considered as equivalent solutions of the present application.

[0045] The above description of disclosed aspects is given to enable any person skilled in the art to make or use the application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0046] The above description has been presented for the purpose of illustration and description. Furthermore, this description is not intended to limit the embodiments of the application to the forms disclosed herein. Although several example aspects and embodiments have been discussed, those skilled in the art will recognize certain modifications, permutations, additions, and sub-combinations thereof.

[0047] The above description is only preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement and the like which are made within the spirit and principle of the present application should be included in the scope of the present application.

Claims

1. A cerebral and blood oxygen combined probe, characterized in that, The probe base is provided with: a cerebral oxygen light source for emitting cerebral oxygen detection light to the brain; a cerebral oxygen sensor for receiving and detecting the cerebral oxygen detection light emitted from the brain; a blood oxygen light source for emitting blood oxygen detection light to the brain; a blood oxygen sensor for receiving and detecting the blood oxygen detection light emitted from the brain.

2. The cerebral and blood oxygenation combined probe of claim 1, wherein, The cerebral oxygen light source and the blood oxygen light source are separated and spaced apart, the cerebral oxygen light source is connected to the probe base through a first fixing plate, and the blood oxygen light source is connected to the probe base through a second fixing plate.

3. The cerebral and blood oxygenation combined probe of claim 1 or 2, wherein, The blood oxygen sensor comprises a first sensor, and the cerebral oxygen sensor comprises the first sensor and a second sensor, the distance between the second sensor and the cerebral oxygen light source is greater than the distance between the first sensor and the cerebral oxygen light source, The second sensor is used for detecting the light of the cerebral oxygen light source emitted from the brain; the first sensor is used for detecting the light of the cerebral oxygen light source emitted from the brain when the cerebral oxygen light source is enabled, and is used for detecting the light of the blood oxygen light source emitted from the brain when the blood oxygen light source is enabled.

4. The cerebral and blood oxygenation combined probe of claim 3, wherein, The distance between the blood oxygen light source and the first sensor is less than the distance between the cerebral oxygen light source and the first sensor.

5. The cerebral and blood oxygenation combined probe of claim 3, wherein, The cerebral oxygen light source, the blood oxygen light source, the first sensor and the second sensor are arranged in sequence along the length direction of the probe base.

6. The cerebral and blood oxygenation combined probe of claim 1, wherein, The blood oxygen light source and the cerebral oxygen light source are connected to the probe base through the same fixing plate and located in the same region of the probe base. The blood oxygen sensor comprises a first sensor, and the cerebral oxygen sensor comprises a second sensor and a third sensor, the distance between the second sensor and the cerebral oxygen light source is less than the distance between the third sensor and the cerebral oxygen light source.

7. The cerebral and blood oxygenation combined probe of claim 1, wherein, The light-emitting diode of the cerebral oxygen light source can emit at least two light waves of different wavelengths; the light-emitting diode of the blood oxygen light source can emit two light waves of different wavelengths.

8. The cerebral and blood oxygenation combined probe of claim 1, wherein, The edge of the probe base is provided with a notch groove recessed from the edge line to the inside, the notch groove is provided with a plurality of notch grooves distributed along the circumference of the probe base. And / or, the middle part of the probe base is provided with a deformation space, the deformation space is a groove or a through hole arranged along the thickness direction of the probe base.

9. A monitoring system, characterized by The controller is used for enabling the cerebral oxygen light source and the blood oxygen light source to emit light alternately.

10. A head-mounted device, characterized by The fixing belt is used for fixing the cerebral oxygen and blood oxygen composite probe on the head.

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