CN112006671A - Wearable vital sign monitoring equipment - Google Patents
Wearable vital sign monitoring equipment Download PDFInfo
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- CN112006671A CN112006671A CN202011017324.8A CN202011017324A CN112006671A CN 112006671 A CN112006671 A CN 112006671A CN 202011017324 A CN202011017324 A CN 202011017324A CN 112006671 A CN112006671 A CN 112006671A
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- air bag
- pressure
- monitoring device
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/02141—Details of apparatus construction, e.g. pump units or housings therefor, cuff pressurising systems, arrangements of fluid conduits or circuits
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
- A61B5/02233—Occluders specially adapted therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
- A61B5/0225—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers the pressure being controlled by electric signals, e.g. derived from Korotkoff sounds
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1116—Determining posture transitions
- A61B5/1117—Fall detection
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/14542—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring blood gases
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
- A61B5/681—Wristwatch-type devices
Abstract
A wearable vital sign monitoring device comprises a wearable structure, an air bag, a pressurizing device, an electric control exhaust valve, a pressure detection device, a control device and a trigger device. The user wears the wearable vital signs monitoring device on the body, for example on the wrist or the upper arm, by means of the wearing structure. The electric control exhaust valve is communicated with the air bag and is used for communicating the air bag with the external space and exhausting the gas in the air bag. The electric control exhaust valve is of an electric control normally closed structure, is in a closed state under a normal state, and does not consume energy. The trigger device is in signal connection with the control device and is used for inputting a trigger signal to the control device. And after the measurement is finished, the control device is used for controlling the electric control exhaust valve to be opened and exhausting gas. The whole process of inflating and deflating of equipment consumes energy less, under the condition that does not change the whole volume of wearable vital sign monitoring equipment, can reduce equipment power consumption, makes it can satisfy the demand of longer duration.
Description
Technical Field
The application relates to the field of medical equipment, concretely relates to wearing formula vital sign guardianship equipment.
Background
The wearable vital sign monitoring device is a type of vital sign monitoring device which can be worn on a user, and compared with the traditional vital sign monitoring device such as a sphygmomanometer, the wearable vital sign monitoring device has the advantages of small size, convenience in carrying and the like. However, the endurance time of the wearable vital sign monitoring device is limited by the device size and the battery technology, the possibility of increasing the battery capacity is very limited, and reducing the energy consumption of the device becomes the only means for prolonging the endurance time of the wearable vital sign monitoring device, even the key of design failure.
The power consumption of the existing oscillography blood pressure measuring equipment in the vital sign monitor is very large, and if the equipment comprises pressure pulse wave measurement and continuous blood pressure measurement, the power consumption requirement of the equipment cannot be met by wearable equipment. An oscillometric blood pressure measuring device generally comprises an air bag, a pressure detecting device, a pressurizing device, an electromagnetic valve, a plurality of pipelines for communication and a control device with a blood pressure calculating function. The blood pressure measuring process comprises the steps that the air bag is worn on the limb of a measured person, the control device is used for starting measurement, voltage is applied to the electromagnetic valve to close and cut off a communication channel between the air bag and the atmosphere, the pressurizing device pressurizes the air bag to press the limb of the measured person, the pressure of the air bag is detected by the pressure detecting device, and the control device calculates the blood pressure value according to pressure information detected by the pressure detecting device; then the voltage applied to the electromagnetic valve is removed, the air bag is opened to the atmosphere, and the compressed air in the air bag is discharged. The electromagnetic valve must be powered up to consume electric energy in the whole measurement process of 30-50 seconds, so that the requirement of the wearable blood pressure measurement equipment on power consumption is difficult to meet.
The continuous blood pressure measurement usually measures the blood pressure value by an even measurement mode, then measures the pulse wave, uses the even measurement blood pressure value to calibrate the wave crest and the wave trough of the pulse wave, and measures the systolic pressure and the diastolic pressure of each pulse, thereby obtaining the continuous blood pressure value. The continuous blood pressure measurement method of the pressure pulse wave needs to continuously pressurize for a long time, such as 3 minutes to 5 minutes, and even longer, the power consumption is very high, and the requirement of continuous blood pressure measurement equipment on the power consumption cannot be met.
Disclosure of Invention
The application provides a lower wearable vital sign monitoring equipment of consumption.
In one embodiment, the present application provides a wearable vital signs monitoring device, which includes:
the wearable vital sign monitoring device comprises a wearable structure and a control module, wherein the wearable structure is used for wearing the wearable vital sign monitoring device on a user;
an air bag;
a pressurizing device in communication with the airbag for inflating the airbag with gas;
the electric control exhaust valve is communicated with the air bag and is used for communicating the air bag with the external space and exhausting gas in the air bag, and the electric control exhaust valve is of an electric control normally closed structure;
a pressure detection device for detecting a pressure signal of the airbag;
the control device is in signal connection with the pressurizing device and is used for controlling the working state of the pressurizing device; the control device is in signal connection with the pressure detection device, receives a pressure signal from the pressure detection device and calculates corresponding vital sign information; the control device is in signal connection with the electric control exhaust valve and is used for opening the electric control exhaust valve;
and the trigger device is in signal connection with the control device, is used for inputting a trigger signal to the control device and is used for starting or stopping a measuring process.
In one embodiment, the exhaust valve is a solenoid valve.
In one embodiment, the air bag further comprises an auxiliary exhaust structure, the auxiliary exhaust structure communicates the air bag with the external space and is used for exhausting gas in the air bag, the auxiliary exhaust structure is in a normally open structure, and in an inflation stage, the exhaust amount of the auxiliary exhaust structure is smaller than the inflation amount of the pressurization device.
In one embodiment, the triggering device includes at least one of a physical key, a touch unit, a voice control unit, a motion capture unit, a wireless signal receiving unit, and a wired signal receiving unit.
In one embodiment, the vital sign information comprises at least one of blood pressure, pressure pulse and blood pressure continuous measurement information.
In one embodiment, the medical device further comprises at least one of a motion measuring device, a fall detection device, a positioning device, a blood oxygen measuring device, a body temperature measuring device, an electrocardiogram measuring device and a respiration measuring device, and is used for detecting corresponding vital sign information.
In one embodiment, the wearable vital sign monitoring device further comprises a wireless communication device, and the control device is in signal connection with the wireless communication device, so that the wearable vital sign monitoring device can perform information interaction with other devices.
In one embodiment, the system further comprises a power module for providing power.
In one embodiment, the donning structure comprises a cuff for wearing on an arm of a user.
In one embodiment, the wearing structure comprises a watchband for wearing on a wrist of a user.
According to the vital sign monitoring equipment of the embodiment, the vital sign monitoring equipment comprises a wearing structure, an air bag, a pressurizing device, an electric control exhaust valve, a pressure detection device, a control device and a trigger device. The user wears the wearable vital signs monitoring device on the body, for example on the wrist or the upper arm, by means of the wearing structure. The pressurizing device is communicated with the air bag and is used for inflating the air bag with gas. The electric control exhaust valve is communicated with the air bag and is used for communicating the air bag with the external space and exhausting the gas in the air bag. The electric control exhaust valve is of an electric control normally closed structure, is in a closed state under a normal state, and does not consume energy. The trigger device is in signal connection with the control device and is used for inputting a trigger signal to the control device. And after the measurement is finished, the control device is used for controlling the electric control exhaust valve to be opened and exhausting gas. The whole process of inflating and deflating of equipment consumes energy less, under the condition that does not change the whole volume of wearable vital sign monitoring equipment, can reduce equipment power consumption, makes it can satisfy the demand of longer duration.
Drawings
FIG. 1 is a schematic diagram of portions of a wearable vital signs monitoring device according to a first embodiment of the present application;
fig. 2 is an exploded view of a wearable vital signs monitoring device according to a first embodiment of the present application;
FIG. 3 is a block diagram of a wearable vital signs monitoring device according to a first embodiment of the present application;
FIG. 4 is a schematic diagram of portions of a wearable vital signs monitoring device according to a second embodiment of the present application;
FIG. 5 is an exploded view of a wearable vital signs monitoring device according to a second embodiment of the present application;
fig. 6 is a block diagram of a wearable vital signs monitoring device according to a second embodiment of the present application;
fig. 7 is a schematic diagram of portions of a wearable vital signs monitoring device according to a third embodiment of the present application;
fig. 8 is an exploded view of a wearable vital signs monitoring device according to a third embodiment of the present application;
fig. 9 is a schematic diagram of portions of a wearable vital signs monitoring device according to a fourth embodiment of the present application;
fig. 10 is an exploded view of a wearable vital signs monitoring device according to a fourth embodiment of the present application;
fig. 11 is a block diagram of a wearable vital signs monitoring device according to a fourth embodiment of the present application;
fig. 12 is a block diagram of a wearable vital signs monitoring device according to a fifth embodiment of the present application.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following examples, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).
This embodiment provides a wearing formula vital sign guardianship equipment, and this wearing formula vital sign guardianship equipment volume is littleer than desk-top vital sign guardianship equipment of conventionality, and is more portable, and it can be dressed on one's body at the user, for example can be watch formula vital sign guardianship equipment or wrist formula vital sign guardianship equipment, also can be arm formula vital sign guardianship equipment, perhaps dresses on one's body at the user with other forms.
The wearable vital sign monitoring equipment comprises a wearable structure, an air bag, a pressurizing device, an electric control exhaust valve, a pressure detection device, a control device and a trigger device. The wearable structure is used for wearing the wearable vital signs monitoring device on a user, such as a watchband and a cuff of a watch and other types of wearable structures. Of course, the wearable vital sign monitoring device may further include other functional components, such as a housing, a power module, and the like, the air path system of the wearable vital sign monitoring device is mainly used as a key point for description in this embodiment, and other structures may refer to the prior art.
The air bag is used for directly or indirectly attaching to a part to be measured of a user. The pressurizing device is communicated with the air bag and is used for inflating the air bag with air. The pressurizing device can adopt various devices capable of inflating the air bag, such as an independent air pump or an integrated air pump. The electric control exhaust valve is communicated with the air bag and is used for communicating the air bag with the external space and exhausting the gas in the air bag. The pressure detection device is used for detecting the pressure signal of the air bag. The control device is connected with the pressurizing device and used for controlling the working state of the pressurizing device, such as the starting and the closing of the pressurizing device. The trigger device is connected with the control device by signals and is used for inputting a trigger signal to the control device, wherein the trigger signal comprises a signal for starting the related parameter detection, and in some embodiments, the trigger signal can also be a signal for stopping the related parameter detection.
The electric control exhaust valve is of an electric control normally closed structure, namely is in a closed state under a normal state, and does not consume energy. The control device is in signal connection with the electric control exhaust valve and is used for opening the electric control exhaust valve. And after the measurement is finished, the control device is used for controlling the electric control exhaust valve to be opened to exhaust gas. The exhaust process is far faster than the gas filling process, so the energy consumption of the electric control exhaust valve is less. The whole process of inflating and deflating of equipment consumes energy less, under the condition that does not change the whole volume of wearable vital sign monitoring equipment, can reduce equipment power consumption, makes it can satisfy the demand of longer duration.
The control device is in signal connection with the pressure detection device, receives the pressure signal from the pressure detection device and calculates corresponding vital sign information. The vital sign information to be calculated by a specific control device can be set according to specific requirements, such as at least one of blood pressure, pressure pulse and blood pressure continuous measurement information. Of course, the process of calculating various vital sign information by the control device using the measured pressure signal of the air bag is disclosed, and the embodiment is not described herein.
The wearable vital signs monitoring device shown in this embodiment is capable of detecting at least one vital signs information, such as blood pressure, pulse, etc. In one embodiment, the wearable vital sign monitoring device can be a wearable electronic sphygmomanometer. Of course, the wearable vital sign monitoring device can also be capable of detecting more than two vital sign information, so that the wearable vital sign monitoring device has comprehensiveness, such as simultaneous detection of blood pressure, pulse and the like. For example, in one embodiment, the vital sign information that the wearable vital sign monitoring device is capable of detecting includes at least one of blood pressure, pressure pulse, and blood pressure continuous measurement information.
In one embodiment, the triggering device includes at least one of a physical key, a touch unit, a voice control unit, a motion capture unit, a wireless signal receiving unit, and a wired signal receiving unit. The physical keys may transmit electrical or force signals. The touch unit may be implemented by a touch screen in the device. The voice control unit can receive voice signals of a user so as to input trigger signals to the control device. The motion capture unit can capture the motion of the user to acquire a signal and send the signal to the control device. The wireless signal receiving unit can receive a wireless signal by which a trigger signal can be inputted to the control device remotely or without contact. The wired signal receiving unit can be externally connected with other equipment, and a trigger signal is input to the control device on the other equipment.
In some embodiments, a display device may be further provided to display information, and of course, a voice device may be used to display information in a voice broadcast manner.
In some embodiments, the device further comprises at least one of a motion measuring device, a fall detecting device, a positioning device, a blood oxygen measuring device, a body temperature measuring device, an electrocardiogram measuring device and a respiration measuring device, and is used for detecting corresponding vital sign information.
The following further illustrates various wearable vital signs monitoring devices as examples:
example one
This embodiment one provides a wearing formula vital sign monitoring equipment, specifically can be an arm type vital sign monitoring equipment, and it can conveniently be worn on user's arm.
Referring to fig. 1 to 3, the wearable vital signs monitoring device comprises a cuff 100 and a host 200. The cuff 100 is configured to be worn by a user, and the wearable vital signs monitoring device can be worn on an arm of the user, such as an upper arm. The cuff 100 is provided with an air bag (not shown in the figures, but not affecting the understanding of the technical skill in the art) and an air path connecting structure 110 for connecting the air bag and other components, and after the cuff 100 is worn on the arm of the user, the air bag can be directly or indirectly attached to the blood vessel of the user, so that the change of the blood vessel is transferred to the air bag. The main unit 200 includes a housing 210, a pressurizing device 220, a solenoid valve 230 (which may be another type of electrically controlled exhaust valve), a pressure detecting device 240, a control device 250, and a triggering device 260. The housing 210 includes a top cover 211 and a bottom cover 212, and the top cover 211 is mounted on the bottom cover 212. The pressurizing means 220, the solenoid valve 230, the pressure detecting means 240 and the control means 250 may be installed between the bottom case 212 and the top cover 211, and for example, a mounting bracket may be provided to mount the respective components.
The pressurizing device 220 delivers compressed gas to the air bag. The solenoid valve 230 has one end connected to the air bag and the other end connected to the outside space, such as the atmosphere. The pressure detecting means 240 is used to detect the pressure in the air bag. The pressure detection device 240 is an absolute pressure detection unit or other type of pressure detection device. The electrically controlled exhaust valve may be a solenoid valve 230 or the like. The trigger 260 may be disposed on the top cover 211. The triggering device 260 includes at least one of a physical key, a touch unit, a voice control unit, a motion capture unit, a wireless signal receiving unit, and a wired signal receiving unit. For example, in fig. 1 and 2, the triggering device 260 is a physical button disposed on the top cover 211.
Wherein, when no voltage is applied, the electromagnetic valve 230 is closed, and the airbag is not opened to the atmosphere; when a voltage is applied, the solenoid valve 230 is opened to open the airbag to the atmosphere, and the compressed gas in the airbag is rapidly discharged.
In some embodiments, the top cover 211 also has a transparent portion 2111 for exposing a display device for displaying information. In addition, a voice device may be provided for voice announcement (this approach is also used in other embodiments). In other embodiments, the display device and the triggering device 260 can be integrated into one component, for example, a touch screen.
As shown in fig. 2 and 3, the pneumatic system of the wearable vital signs monitoring device includes an air bag, a pressurizing device 220, a solenoid valve 230 (which may be another type of electrically controlled exhaust valve), and a pressure detecting device 240, which are connected to each other. The pressurizing device 220, the solenoid valve 230, the pressure detecting device 240, and the triggering device 260 are all connected to the control device 250, and transmit information.
In some embodiments, a power module, a display device and a wireless communication device may be further provided. The power module is used to provide power, which may be a rechargeable battery 270 or a power circuit for installing a disposable battery, such as a battery jar for installing a lithium battery or other disposable batteries. The display device and the wireless communication device are also connected to the circuit system. The control device 250 is in signal connection with the wireless communication device, so that the wearable vital sign monitoring device can perform information interaction with other devices, such as a mobile phone, a computer, and the like.
In addition, in some embodiments, the monitoring device further comprises at least one of a motion measuring device, a fall detecting device, a positioning device, a blood oxygen measuring device, a body temperature measuring device, an electrocardiogram measuring device and a respiration measuring device, and is used for detecting corresponding vital sign information. These devices may be connected to the control device 250 for information transfer.
In one embodiment, the wearable vital sign monitoring device can be an arm-type electronic sphygmomanometer in which the control device calculates a corresponding blood pressure value according to the detected pressure signal.
For example, in one embodiment, detection is enabled by the trigger device 260 sending a trigger signal. The blood pressure measuring process of the arm type electronic sphygmomanometer comprises the following steps: during inflation, the control device 250 controls the pressurizing device 220 to output compressed gas to the air bag of the cuff 100, the cuff 100 compresses the detected part, the pressure detecting device 240 detects the pressure signal of the air bag, and the control device calculates the blood pressure values Psys, Pdia. After the measurement is finished, the electromagnetic valve 230 is opened, and the air bag of the cuff 100 rapidly releases the compressed air to the atmosphere.
In one embodiment, the wearable vital sign monitoring device can be an arm-type pressure pulse wave measuring instrument for measuring pressure pulse waves in vital sign information. In the arm-type pressure pulse wave measuring instrument, the control device calculates a corresponding pressure pulse wave based on the detected pressure signal.
For example, in one embodiment, detection is enabled by the trigger device 260 sending a trigger signal. The pressure pulse wave measuring process comprises the following steps: during inflation, the control device 250 controls the pressurizing device 220 to output compressed gas to the air bag of the cuff 100, the cuff 100 presses the detected part, the pressure detecting device 240 detects the pressure signal of the air bag, and the control device calculates the pressure pulse wave. After the measurement is finished, the electromagnetic valve 230 is opened, and the air bag of the cuff 100 rapidly releases the compressed air to the atmosphere.
In one embodiment, the wearable vital sign monitoring device can be a continuous blood pressure measuring device for continuously measuring blood pressure information. In the arm-type pressure pulse wave measuring instrument, the control device calculates a corresponding pressure pulse wave based on the detected pressure signal.
For example, in one embodiment, the measurement process of the continuous blood pressure monitor is:
first, measurement of blood pressure is measured occasionally.
The cuff 100 is worn on the site to be measured. The detection is enabled by the trigger device 260 sending a signal. When inflating, the control device 250 controls the pressurizing device 220 to output compressed gas to the air cells of the cuff 100. The cuff 100 compresses the site to be measured, the pressure detection device 240 detects the pressure signal of the air bag, and the control device 250 calculates the blood pressure values Psys, Pdia.
And secondly, measuring the pressure pulse wave.
The control device 250 controls the pressurizing device 220 to output the compressed gas to the air cells of the cuff 100 at a set pressure. The cuff 100 presses the site to be measured, the pressure detecting device 240 detects the pressure signal of the air bag, and the control device 250 calculates the pressure pulse wave.
And the third part, continuous blood pressure measurement.
In the second step, the control device 250 calculates the systolic pressure and the diastolic pressure corresponding to each pulse wave based on the blood pressure value and the pressure pulse wave.
And fourthly, ending the measurement.
The measurement is continued for a set time period, the control device 250 controls the electromagnetic valve 230 to open, and the air bag of the cuff 100 rapidly releases the compressed air to the atmosphere.
Example two
As shown in fig. 4 to 6, the present embodiment provides another wearable vital signs monitoring device.
Referring to fig. 4 to 6, the wearable vital signs monitoring device comprises a host 200 and a cuff 100. The cuff 100 is provided with an air bag and an air passage connecting structure 110 for connecting the air bag and other components. The main unit 200 includes a housing 210, a pressurizing device 220, a solenoid valve 230 (which may be another type of electrically controlled exhaust valve), a pressure detecting device 240, a control device 250, and a triggering device 260. The pressurizing device 220, the solenoid valve 230, the pressure detecting device 240, and the triggering device 260 are all connected to the control device 250, and transmit information. The pressure detection device 240 is an absolute pressure detection unit or other type of pressure detection device 240. The housing 210 includes a bottom chassis 212 and a top cover 211, and the top cover 211 is mounted on the bottom chassis 212. The pressurizing means 220, the solenoid valve 230, the pressure detecting means 240 and the control means 250 may be installed between the bottom case 212 and the top cover 211. The trigger 260 may be disposed on the top cover 211. The triggering device 260 includes at least one of a physical key, a touch unit, a voice control unit, a motion capture unit, a wireless signal receiving unit, and a wired signal receiving unit. For example, in fig. 4 and 5, the triggering device 260 is a physical button disposed on the top cover 211.
The present embodiment is different from the first embodiment in that, as shown in fig. 5 and fig. 6, the present embodiment further includes an auxiliary exhaust structure (for example, a slow exhaust valve 290) which communicates the airbag with the external space for exhausting the gas in the airbag. The auxiliary exhaust structure is a normally open structure, and in the inflation stage, the displacement of the auxiliary exhaust structure is smaller than the inflation displacement of the pressurizing device 220.
In the whole process, the auxiliary air exhaust structure is communicated with the cuff 100, and the auxiliary air exhaust structure slowly exhausts the compressed air of the cuff 100 to the atmosphere. In particular, when the electric control exhaust valve is in a closed state, the gas in the air bag can be slowly exhausted to the same atmosphere through the auxiliary exhaust structure.
In some embodiments, a power module, a display device and a wireless communication device may be further provided. The power module is used to provide power, which may be a rechargeable battery 270 or a power circuit for installing a disposable battery. The display device and the wireless communication device are also connected to the circuit system. The control device 250 is in signal connection with the wireless communication device, so that the wearable vital sign monitoring device can perform information interaction with other devices, such as a mobile phone, a computer, and the like.
As in the first embodiment, the wearable vital sign monitoring device can be an arm electronic sphygmomanometer, an arm pressure pulse wave measuring instrument, a continuous blood pressure measuring instrument, or other vital sign measuring devices.
EXAMPLE III
As shown in fig. 7 to 8, the present embodiment provides a wearable vital signs monitoring device, in particular, a watch type vital signs monitoring device. The watch type vital sign monitoring equipment can be conveniently worn on the wrist of a user.
Referring to fig. 7 to 8, the wrist-watch vital signs monitoring device comprises a watch head 300 and a watchband 400. The wristband 400 is configured to be worn about the wrist of a user with the wearable vital signs monitoring device. The wristband 400 is provided with an air bag 410, and after the wristband 400 is worn on the arm of a user, the air bag 410 can be directly or indirectly attached to the blood vessel of the user, so that the change of the blood vessel is transmitted to the air bag 410. The gauge head 300 comprises a gauge case 310, a pressurizing device 320, a pressure detecting device 330, a control device 340, a triggering device 350 and a solenoid valve 360 (which can also be other types of electrically controlled exhaust valves). The case 310 includes a case cover 311 and a case base 312, and the case cover 311 is mounted on the case base 312. The pressurizing means 320, the solenoid valve 360, the pressure detecting means 330 and the control means 340 may be installed between the case base 312 and the case cover 311.
The pressurizing device 320 delivers the compressed gas to the bladder 410. The solenoid valve 360 has one end connected to the air bag 410 and the other end connected to the outside space, such as the atmosphere. The pressure detecting means 330 is used to detect the pressure in the air bag 410. The pressure detecting device 330 is an absolute pressure detecting unit or other type of pressure detecting device 330. The electrically controlled exhaust valve is a solenoid valve 360 or other similar device. The trigger 350 may be provided on the case cover 311. The triggering device 350 includes at least one of a physical button, a touch unit, a voice control unit, a motion capture unit, a wireless signal receiving unit, and a wired signal receiving unit. For example, in fig. 7 and 8, the triggering device 350 is a physical button disposed on the watch case cover 311. Fig. 3 is a block diagram of the structure shown in this embodiment.
Wherein, when no voltage is applied, the electromagnetic valve 360 is closed, and the air bag 410 is not opened to the atmosphere; when a voltage is applied, the solenoid valve 360 is opened to open the air bag 410 to the atmosphere, and the compressed gas in the air bag 410 is rapidly discharged.
In some embodiments, the case cover 311 further has a transparent portion 3111 for exposing a display device 370 (e.g., a display screen), the display device 370 for displaying information. In addition, a voice device may be provided for voice announcement (this approach may also be used in other embodiments). In other embodiments, the information display and triggering device 350 may be integrated into a single component, such as a touch screen.
Referring to fig. 3 and 8, the pneumatic system of the wrist watch type vital signs monitoring device includes an air bag 410, a pressurizing device 320, a solenoid valve 360 (which may be another type of electrically controlled exhaust valve) and a pressure detecting device 330, which are communicated with each other. The pressurizing device 320, the solenoid valve 360, the pressure detecting device 330 and the triggering device 350 are all connected to the control device 340 for information transmission.
In some embodiments, a power module and a wireless communication device may be further provided. The power module is used to provide electrical energy, which may be a rechargeable battery 380 or a power circuit for mounting a disposable battery, such as a battery well structure for mounting a lithium battery or other disposable batteries. The display device 370 and the wireless communication device are also connected to the circuitry. The control device 340 is connected to the wireless communication device via signals, so that the wearable vital sign monitoring device can interact with other devices, such as a mobile phone and a computer.
In addition, in some embodiments, the monitoring device further comprises at least one of a motion measuring device, a fall detecting device, a positioning device, a blood oxygen measuring device, a body temperature measuring device, an electrocardiogram measuring device and a respiration measuring device, and is used for detecting corresponding vital sign information. These devices may be connected to the control device 340 for information transfer.
In one embodiment, the watch-type vital sign monitoring device can be a watch-type electronic sphygmomanometer in which the control device calculates the corresponding blood pressure value according to the detected pressure signal.
For example, in one embodiment, detection is enabled by trigger device 350 sending a trigger signal. The blood pressure measuring process of the watch type electronic sphygmomanometer comprises the following steps: when the cuff is inflated, the control device 340 controls the pressurizing device 320 to output compressed gas to the air bag 410 of the cuff 400, the air bag 410 on the cuff 400 presses the part to be measured, the pressure detecting device 330 detects a pressure signal of the air bag 410, and the control device calculates blood pressure values Psys, Pdia. After the measurement is finished, the electromagnetic valve 360 is opened, and the air bag 410 of the watchband 400 releases compressed air to the atmosphere quickly.
In one embodiment, the watch-type vital sign monitoring device can be a watch-type pressure pulse wave measuring instrument for measuring the pressure pulse wave in the vital sign information. In the wristwatch-type pressure pulse wave measuring instrument, the control device calculates a corresponding pressure pulse wave based on the detected pressure signal.
For example, in one embodiment, detection is enabled by trigger device 350 sending a trigger signal. The pressure pulse wave measuring process comprises the following steps: when the pressure sensor is inflated, the control device 340 controls the pressurizing device 320 to output compressed gas to the bladder 410 of the band 400, the band 400 presses the site to be measured, the pressure detecting device 330 detects a pressure signal of the bladder 410, and the control device calculates a pressure pulse wave. After the measurement is finished, the electromagnetic valve 360 is opened, and the air bag 410 of the watchband 400 releases compressed air to the atmosphere quickly.
In one embodiment, the wrist-watch vital signs monitoring device can be a continuous blood pressure measuring device for continuously measuring blood pressure information. In the wristwatch-type pressure pulse wave measuring instrument, the control device calculates a corresponding pressure pulse wave based on the detected pressure signal.
For example, in one embodiment, the measurement process of the continuous blood pressure monitor is:
first, measurement of blood pressure is measured occasionally.
The band 400 is worn on the site to be measured. The detection is enabled by the trigger device 350 sending a trigger signal. When inflated, the control device 340 controls the pressurizing device 320 to output compressed gas to the bladder 410 of the wristband 400. The band 400 presses the site to be measured, the pressure detecting device 330 detects the pressure signal of the bladder 410, and the control device 340 calculates the blood pressure values Psys, Pdia.
And secondly, measuring the pressure pulse wave.
The control device 340 controls the pressurizing device 320 to output the compressed gas to the bladder 410 of the band 400 at a set pressure. The band 400 presses the site to be measured, the pressure detecting device 330 detects the pressure signal of the bladder 410, and the control device 340 calculates the pressure pulse wave.
And the third part, continuous blood pressure measurement.
Along with the second step, the control device 340 calculates the systolic pressure and the diastolic pressure corresponding to each pulse wave according to the blood pressure value and the pressure pulse wave.
And fourthly, ending the measurement.
The measurement lasts for a set time, the control device 340 controls the electromagnetic valve 360 to open, and the air bag 410 releases compressed air to the atmosphere quickly.
Example four
As shown in fig. 9 to 11, the present embodiment provides another wearable vital signs monitoring device, specifically, a wrist watch type photoplethysmography and continuous blood pressure measurement device for measuring photoplethysmography and continuously measuring blood pressure information.
Referring to fig. 9 to 11, the wrist watch type optical pulse wave continuous blood pressure measuring apparatus mainly differs from the third embodiment in that it further includes an optical sensing device 3100 for detecting a pulse signal. In one embodiment, the photo sensor device 3100 is mounted on the case base 312. The control device 340 calculates a photo pulse wave from the signal of the photo sensing device 3100. The structure shown in the third embodiment can be referred to for other structures of the watch type photoelectric pulse wave and continuous blood pressure measuring equipment.
In one embodiment, the measurement process of the watch-type photoelectric pulse wave continuous blood pressure measurement device is as follows:
first, measurement of blood pressure is measured occasionally.
By wearing the band 400, the air bag 410 covers the site to be measured. The detection is enabled by the trigger device 350 sending a trigger signal. When the air bag is inflated, the control device 340 controls the pressurizing device 320 to output compressed air to the air bag 410. The air bag 410 presses the detected part, and the pressure detecting device 330 detects the pressure signal of the air bag 410. The control device 340 calculates blood pressure values Psys, Pdia. When the air is exhausted, the control device 340 controls the electromagnetic valve 360 to be opened, and the air bag 410 of the air bag 410 rapidly releases the compressed air to the atmosphere.
And secondly, measuring photoelectric pulse waves.
The control device 340 controls the photoelectric sensing device 3100 to detect the pulse signal, and the control device 340 calculates the photoelectric pulse wave.
And the third part, continuous blood pressure measurement.
Along with the second step, the control device 340 calculates the systolic pressure and the diastolic pressure corresponding to each pulse according to the blood pressure value and the photoelectric pulse wave;
and fourthly, ending the measurement.
And when the measurement lasts for a set time length, stopping detection.
EXAMPLE five
As shown in fig. 12, the present embodiment provides another wearable vital signs monitoring device, which is different from other embodiments in that, on the basis of other embodiments, more measuring devices are added to the device shown in the present embodiment, so that more vital signs information can be measured.
Referring to fig. 12 (which can be combined with fig. 8 and 10), the wrist-watch vital signs monitoring device comprises a watch head 300 and a watchband 400. The wristband 400 is configured to be worn about the wrist of a user with the wearable vital signs monitoring device. The gauge head 300 comprises a gauge case 310, a pressurizing device 320, a solenoid valve 360 (which may also be another type of electrically controlled exhaust valve), a pressure detecting device 330, a control device 340, and a trigger device 350. The case 310 includes a case base 312 and a case cover 311, and the case cover 311 is mounted on the case base 312. The pressurizing means 320, the solenoid valve 360, the pressure detecting means 330 and the control means 340 may be installed between the case base 312 and the case cover 311.
In addition, the device can also comprise at least one of a motion measuring device, a fall detection device, a positioning device, a blood oxygen measuring device, a body temperature measuring device, an electrocardio measuring device and a breath measuring device, wherein the devices are respectively used for measuring corresponding information and feeding back the information to the control device.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (10)
1. A wearable vital signs monitoring device, comprising:
the wearable vital sign monitoring device comprises a wearable structure and a control module, wherein the wearable structure is used for wearing the wearable vital sign monitoring device on a user;
an air bag;
a pressurizing device in communication with the airbag for inflating the airbag with gas;
the electric control exhaust valve is communicated with the air bag and is used for communicating the air bag with the external space and exhausting gas in the air bag, and the electric control exhaust valve is of an electric control normally closed structure;
a pressure detection device for detecting a pressure signal of the airbag;
the control device is in signal connection with the pressurizing device and is used for controlling the working state of the pressurizing device; the control device is in signal connection with the pressure detection device, receives a pressure signal from the pressure detection device and calculates corresponding vital sign information; the control device is in signal connection with the electric control exhaust valve and is used for opening the electric control exhaust valve;
and the trigger device is in signal connection with the control device, is used for inputting a trigger signal to the control device and is used for starting or stopping a measuring process.
2. The wearable vital signs monitoring device of claim 1, wherein the exhaust valve is a solenoid valve.
3. The wearable vital signs monitoring device of claim 1, further comprising an auxiliary venting structure that communicates the bladder with an ambient space for venting gas from the bladder, the auxiliary venting structure being normally open and having a volume of venting less than an amount of inflation of the pressurizing device during an inflation phase.
4. The wearable vital signs monitoring device of claim 1, wherein the triggering mechanism comprises at least one of a physical button, a touch unit, a voice control unit, a motion capture unit, a wireless signal receiving unit, and a wired signal receiving unit.
5. The wearable vital signs monitoring device of claim 1, wherein the vital signs information includes at least one of blood pressure, pressure pulse, and blood pressure continuous measurement information.
6. The wearable vital sign monitoring device of claim 1, further comprising at least one of a motion measurement device, a fall detection device, a positioning device, a blood oxygen measurement device, a body temperature measurement device, an electrocardiograph measurement device, and a respiration measurement device for enabling detection of corresponding vital sign information.
7. The wearable vital signs monitoring device of claim 1, further comprising a wireless communication device, wherein the control device is in signal connection with the wireless communication device to enable the wearable vital signs monitoring device to interact with other devices.
8. The wearable vital signs monitoring device of claim 1, further comprising a power module to provide electrical energy.
9. The wearable vital signs monitoring device of any of claims 1-8, wherein the wearable structure comprises a cuff configured to be worn on an arm of a user.
10. The wearable vital signs monitoring device of any of claims 1-8, wherein the wearable structure comprises a watchband for wearing on a wrist of a user.
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