CN113940647A - Wearable high accuracy blood pressure measuring apparatu - Google Patents
Wearable high accuracy blood pressure measuring apparatu Download PDFInfo
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- CN113940647A CN113940647A CN202111334926.0A CN202111334926A CN113940647A CN 113940647 A CN113940647 A CN 113940647A CN 202111334926 A CN202111334926 A CN 202111334926A CN 113940647 A CN113940647 A CN 113940647A
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- 230000036772 blood pressure Effects 0.000 title claims abstract description 34
- 210000000707 wrist Anatomy 0.000 claims abstract description 211
- 238000004804 winding Methods 0.000 claims abstract description 10
- 239000000696 magnetic material Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 11
- 238000009530 blood pressure measurement Methods 0.000 abstract description 10
- 238000005259 measurement Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 230000017531 blood circulation Effects 0.000 description 5
- 238000009960 carding Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 210000004204 blood vessel Anatomy 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 206010003210 Arteriosclerosis Diseases 0.000 description 1
- 208000031226 Hyperlipidaemia Diseases 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 208000011775 arteriosclerosis disease Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003836 peripheral circulation Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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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
- A61B5/022—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
- A61B5/68—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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physiology (AREA)
- Dentistry (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The invention belongs to the technical field of blood pressure measuring instruments, and particularly relates to a wearable high-precision blood pressure measuring instrument; comprises a main body, a belt collecting unit, a first wrist strap and a second wrist strap; the main body comprises a first main body and a second main body, and the belt winding unit comprises a first roller, a ratchet wheel and a pawl; according to the invention, the first roller rotates anticlockwise, and in the process of rotating the first roller, the first wrist strap and the second wrist strap are overlapped on the first roller and wound on the first roller, so that the first wrist strap and the second wrist strap are tightened, and the second main body moves upwards; when the air bag above the second main body is attached to the arm and reaches a certain tightness, the first roller stops rotating by artificially stopping the low-speed motor, and the ratchet wheel is matched with the pawl to ensure that the first roller cannot cause the first wrist strap and the second wrist strap to be loosened due to clockwise rotation; blood pressure measurements are then made.
Description
Technical Field
The invention belongs to the technical field of blood pressure measuring instruments, and particularly relates to a wearable high-precision blood pressure measuring instrument.
Background
A blood pressure measuring instrument, which is called a blood pressure measuring instrument; inflating the cuff to press the measurement site to block blood flow, and then exhausting the air in the cuff to make the blood flow again; the blood pressure measurement is determined based on the change in the blood flow sound and vibration generated when the blood flows again.
In the prior art, patients suffering from blood circulation disorder, such as diabetes, hyperlipidemia, hypertension, and the like, can accelerate arteriosclerosis, thereby causing peripheral circulation disorder; the blood pressure measurements of these patients' wrists and upper arms vary widely; therefore, these patients and the elderly should select the arm type blood pressure measuring instrument for use, but the upper arm type blood pressure measuring instrument needs to fix and tighten the wrist strap at the arm close to the heart, and for some elderly with inconvenience in hands and feet, it is difficult to wear the upper arm type blood pressure measuring instrument independently, and the measurement result of the blood pressure measuring instrument is affected by the loose binding of the wrist strap; it is inconvenient for the elderly who are independently at home to monitor the blood pressure at any time.
In view of the above, the present invention provides a wearable high-precision blood pressure measuring instrument to solve the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problem that the old with inconvenient legs and feet can conveniently wear the upper arm type blood pressure measuring instrument, the invention provides a wearable high-precision blood pressure measuring instrument.
The technical scheme adopted by the invention for solving the technical problems is as follows: a wearable high-precision blood pressure measuring instrument comprises a main body, a belt winding unit, a first wrist belt and a second wrist belt; the main body comprises a first main body and a second main body, and air bags are fixedly arranged at the bottom of the first main body and the top of the second main body; the belt winding unit comprises a first roller, a ratchet wheel and a pawl; the central part of a main part rotates and is connected with a roller, the wherein one end of a roller has linked firmly the ratchet, the position that the main part is located directly over the ratchet rotates and is connected with the pawl, the top of pawl has linked firmly the pull rod, the pull rod runs through the top of a main part, it has the spring to lie in the nestification between pawl top and the main part top on the pull rod, No. one wrist strap and No. two wrist straps are connected respectively on a roller, just No. one wrist strap, No. two wrist straps run through the bottom both sides of a main part and link firmly with the top both sides of No. two main parts, the connecting portion of a wrist strap and a roller and the contained angle of No. two wrist straps and the connecting portion of a roller are 180 degrees.
When the blood pressure measuring device works, the equipment for measuring blood pressure is arranged in the first main body, and the first wrist strap and the second wrist strap are in a loose state; air pumps are arranged in the first main body and the second main body and are communicated with the air bags, and the air pumps can be automatically controlled to complete the inflation and deflation work of the air bags when the measuring instrument measures the blood pressure through the intelligent control terminal; during measurement, the first main body is placed at the arm, an air bag below the first main body is attached to the arm, and the size of the first main body is set to prevent the first main body from covering the upper surface of the arm; the first roller is fixedly connected with the output shaft of the low-speed motor in the first main body, so that the low-speed motor is manually started to enable the first roller to rotate anticlockwise, and in the rotating process of the first roller, the first wrist strap and the second wrist strap are overlapped on the first roller and wound on the first roller, so that the first wrist strap and the second wrist strap are tightened, and the second main body moves upwards; because the included angle between the connecting part of the first wrist strap and the first roller and the included angle between the connecting part of the second wrist strap and the first roller are 180 degrees, the first wrist strap and the second wrist strap are wound on the first roller approximately in the same degree in the rotating process of the first roller, and the symmetry of the belt winding is ensured; when the airbag above the second main body is attached to the arm and reaches a certain tightness, the first roller stops rotating manually, because one end of the first roller is fixedly connected with a ratchet wheel, the part of the first main body, which is positioned right above the ratchet wheel, is rotatably connected with a pawl, the top of the pawl is fixedly connected with a pull rod, the pull rod penetrates through the top of the first main body, a spring is nested between the top of the pawl and the top of the first main body on the pull rod, and the pawl blocks the ratchet wheel under the reset state of the spring, so that the ratchet wheel cannot rotate clockwise; but the ratchet wheel and the pawl cannot influence the counterclockwise rotation of the first roller; therefore, when the first roller stops rotating, the ratchet wheel is matched with the pawl to ensure that the first roller cannot cause the first wrist strap and the second wrist strap to loosen due to clockwise rotation; then, blood pressure measurement is carried out, and the blood pressure measurement is finished when the air bag is inflated and deflated because the arranged air bag can automatically finish inflation and deflation; after the measurement is finished, the pull rod is pulled to separate the pawl from the ratchet wheel, namely, the first roller can rotate clockwise, the arm is not moved at the moment, the first main body is pulled manually, the first wrist strap and the second wrist strap drive the first roller to rotate clockwise, the first wrist strap and the second wrist strap are loosened, and the measurement instrument is separated.
Preferably, a connecting rod is arranged at the bottom of the first main body and close to the contact part of the first wrist strap, the second wrist strap and the first main body, and the other end of the connecting rod is rotatably connected with the end part of the second roller.
When the roller type wrist belt tightening device works, when the first roller rotates, the first wrist belt and the second wrist belt move upwards and are overlapped on the first roller and are wound on the first roller, and the tightening work of the first wrist belt and the second wrist belt is completed, so that a connecting rod is arranged at the bottom of the first main body and close to the contact part of the first wrist belt, the second wrist belt and the first main body, the other end of the connecting rod is rotatably connected with the end part of the second roller, and the first wrist belt and the second wrist belt are respectively clamped between the two second rollers; two rollers of manual control make it press from both sides tightly, this setting can make a wrist strap and No. two wrist straps when getting into a main part inside, receive the comb of No. two rollers earlier, make a wrist strap and No. two wrist straps can be smooth get into a main part inside, the wrist strap takes place to block up when getting into a main part with No. two wrist straps, and guaranteed that a wrist strap and No. two wrist straps can smooth winding on a roller, and this sets up comb a wrist strap and No. two wrist straps, also avoided the wrist strap when the extension, take place the winding condition.
Preferably, the connecting rod is rotatably connected with the first main body.
The during operation, when the arm was put to main part No. one, because everyone's arm thickness is different, when leading to this measuring apparatu to be fixed on the arm, No. one the wrist strap is different with the angle that the main part becomes with No. two wrist straps, the event sets up the connecting rod and rotates with a main part to be connected, make a wrist strap and No. two wrist straps when changing with the angle that the main part becomes, the connecting rod drives No. two rollers and also takes place corresponding angular variation, compare with not having this setting, this setting has reduced the number of times of buckling of a wrist strap and No. two wrist straps, the runnability of device has been guaranteed, the life-span of a wrist strap and No. two wrist straps has also been improved.
Preferably, the second roller is made of a magnetic material.
When the device works, the first wrist strap and the second wrist strap are respectively clamped between the two second rollers, so that the second rollers are made of magnetic materials, the second rollers attract each other, the two second rollers are clamped with each other, and the carding effect of the first wrist strap and the second wrist strap is enhanced; and when the connecting rod drives the second roller to generate corresponding angle change, the second roller can attract each other to continue to be clamped, so that the carding effect is not changed.
Preferably, balls are embedded in the first body and at the contact positions of the first wrist strap, the second wrist strap and the first body.
During operation, the main part is gone up and the contact site that is located a wrist strap, No. two wrist straps and a main part is embedded with the ball, compares with not having this setting, and this setting makes and becomes rolling friction by sliding friction between a wrist strap, No. two wrist straps and a main part, when having guaranteed that a wrist strap and No. two wrist straps move smoothly, has also reduced the wearing and tearing of a wrist strap and No. two wrist straps, has improved the life of a wrist strap and No. two wrist straps.
Preferably, the airbag is provided with a separation groove.
During operation, all be provided with the separating groove on the gasbag of a main part bottom and the gasbag at No. two main part tops, this setting is separated the gasbag of a main part bottom and the gasbag at No. two main part tops for two parts, carries out the extruded in-process to the arm at the gasbag of a main part and No. two main parts, and this setting has produced dual extrusion, has strengthened the extrusion effect to the blood vessel on the arm, and then makes the measuring result more accurate.
The invention has the following beneficial effects:
1. according to the wearable high-precision blood pressure measuring instrument, the first roller rotates anticlockwise, the first wrist strap and the second wrist strap are overlapped on the first roller and wound on the first roller in the rotating process of the first roller, the first wrist strap and the second wrist strap are tightened, and the second main body moves upwards; when the air bag above the second main body is attached to the arm and reaches a certain tightness, the first roller stops rotating by artificially stopping the low-speed motor, and the ratchet wheel is matched with the pawl to ensure that the first roller cannot cause the first wrist strap and the second wrist strap to be loosened due to clockwise rotation; blood pressure measurements are then made.
2. The wearable high-precision blood pressure measuring instrument is characterized in that a connecting rod is arranged at the bottom of a first main body and close to the contact part of a first wrist strap, a second wrist strap and the first main body, the other end of the connecting rod is rotatably connected with the end part of a second roller, and the first wrist strap and the second wrist strap are respectively clamped between the two second rollers; two rollers of manual control make it press from both sides tightly, and this setting can make No. one wrist strap and No. two wrist straps receive the combing of No. two rollers earlier when getting into a main part inside, make No. one wrist strap and No. two wrist straps can be smooth get into a main part inside.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a partial enlarged view at B of fig. 1;
fig. 4 is a partial enlarged view at C of fig. 1;
in the figure: the wrist strap winding machine comprises a main body 1, a first main body 11, a connecting rod 111, a second roller 112, a ball 113, a second main body 12, an air bag 13, a separation groove 131, a take-up unit 2, a first roller 21, a ratchet wheel 22, a pawl 23, a pull rod 24, a spring 25, a first wrist strap 3 and a second wrist strap 4.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, the wearable high-precision blood pressure measuring instrument according to the present invention includes a main body 1, a belt winding unit 2, a first wrist strap 3 and a second wrist strap 4; the main body 1 comprises a first main body 11 and a second main body 12, and air bags 13 are fixedly arranged at the bottom of the first main body 11 and the top of the second main body 12; the take-up unit 2 comprises a first roller 21, a ratchet wheel 22 and a pawl 23; a central part of main part 11 rotates and is connected with a roller 21, wherein one end of a roller 21 has linked firmly ratchet 22, the position that a main part 11 is located directly over ratchet 22 rotates and is connected with pawl 23, the top of pawl 23 has linked firmly pull rod 24, pull rod 24 runs through the top of a main part 11, it has spring 25 to lie in nestification between pawl 23 top and a main part 11 top on pull rod 24, No. 3 wrist straps and No. 4 wrist straps are connected respectively on a roller 21, just No. 3 wrist straps, No. 4 wrist straps run through the bottom both sides of a main part 11 and link firmly with the top both sides of No. 12 main part, the contained angle of a 3 wrist straps and a connecting portion of roller 21 and No. 4 wrist straps and a connecting portion of roller 21 is 180 degrees.
When the blood pressure measuring device works, the equipment for measuring blood pressure is arranged in the first main body 11, and the first wrist strap 3 and the second wrist strap 4 are in a loose state; air pumps are arranged in the first main body 11 and the second main body 12 and are communicated with the air bag 13, and the air pumps can be automatically controlled to complete the inflation and deflation work of the air bag 13 when the measuring instrument measures the blood pressure through the intelligent control terminal; during measurement, the first main body 11 is placed at the arm, the air bag 13 below the first main body 11 is attached to the arm, and the size of the first main body 11 is set so that the first main body 11 can not cover the upper surface of the arm; because the first roller 21 is fixedly connected with the output shaft of the low-speed motor in the first main body 11, the low-speed motor is manually started to enable the first roller 21 to rotate anticlockwise, and in the rotating process of the first roller 21, the first wrist strap 3 and the second wrist strap 4 are mutually overlapped on the first roller 21 and wound on the first roller 21, so that the first wrist strap 3 and the second wrist strap 4 are tightened, and the second main body 12 moves upwards; because the included angle between the connecting part of the first wrist strap 3 and the first roller 21 and the included angle between the connecting part of the second wrist strap 4 and the first roller 21 are 180 degrees, the first wrist strap 3 and the second wrist strap 4 are wound on the first roller 21 in the rotating process of the first roller 21 approximately in the same degree, and the symmetry of the belt collection is ensured; when the airbag 13 above the second main body 12 is attached to an arm and reaches a certain tightness, the first roller 21 stops rotating manually, because one end of the first roller 21 is fixedly connected with a ratchet wheel 22, the part of the first main body 11, which is positioned right above the ratchet wheel 22, is rotatably connected with a pawl 23, the top of the pawl 23 is fixedly connected with a pull rod 24, the pull rod 24 penetrates through the top of the first main body 11, a spring 25 is nested between the top of the pawl 23 and the top of the first main body 11 on the pull rod 24, and the pawl 23 blocks the ratchet wheel 22 under the reset state of the spring 25, so that the ratchet wheel 22 cannot rotate clockwise; but the ratchet wheel 22 and the pawl 23 cannot influence the counterclockwise rotation of the first roller 21; therefore, when the first roller 21 stops rotating, the ratchet wheel 22 and the pawl 23 are matched, so that the first roller 21 cannot cause the first wrist strap 3 and the second wrist strap 4 to loosen due to clockwise rotation; then, blood pressure measurement is carried out, and the blood pressure measurement is finished when the air bag 13 inflates and deflates because the arranged air bag 13 can automatically complete the inflation and deflation work; after the measurement is finished, the pull rod 24 is pulled, so that the pawl 23 is separated from the ratchet wheel 22, namely the first roller 21 can rotate clockwise, the arm is not moved, the first main body 11 is pulled manually, the first wrist strap 3 and the second wrist strap 4 drive the first roller 21 to rotate clockwise, the first wrist strap 3 and the second wrist strap 4 are loosened, and the measurement instrument is separated.
In an embodiment of the present invention, a link 111 is disposed at a bottom of the first body 11 and near a contact portion between the first wrist strap 3 and the second wrist strap 4 and the first body 11, and an end of a second roller 112 is rotatably connected to the other end of the link 111.
During operation, when the first roller 21 rotates, the first wrist strap 3 and the second wrist strap 4 move upwards and are overlapped on the first roller 21 and wound on the first roller 21, and the first wrist strap 3 and the second wrist strap 4 are tightened, so that a connecting rod 111 is arranged at the bottom of the first main body 11 and close to the contact part of the first wrist strap 3, the second wrist strap 4 and the first main body 11, the other end of the connecting rod 111 is rotatably connected with the end part of the second roller 112, and the first wrist strap 3 and the second wrist strap 4 are respectively clamped between the two second rollers 112; the two second rollers 112 are manually controlled to clamp the first wrist strap 3 and the second wrist strap 4, and the first wrist strap 3 and the second wrist strap 4 are combed by the second rollers 112 when entering the first main body 11, so that the first wrist strap 3 and the second wrist strap 4 can smoothly enter the first main body 11, the first wrist strap 3 and the second wrist strap 4 are prevented from being blocked when entering the first main body 11, and the first wrist strap 3 and the second wrist strap 4 can be ensured to be smoothly wound on the first rollers 21; moreover, the first wrist strap 3 and the second wrist strap 4 are arranged and combed, so that the wrist straps are prevented from being wound when being stretched.
In an embodiment of the present invention, the link 111 is rotatably connected to the first body 11.
When the measuring instrument works, when the first main body 11 is placed on an arm, because the thickness of the arm of each person is different, the measuring instrument is fixed on the arm, the angle formed by the first wrist strap 3 and the second wrist strap 4 with the first main body 11 is different, so that the connecting rod 111 is arranged to be rotatably connected with the first main body 11, when the angle formed by the first wrist strap 3 and the second wrist strap 4 with the first main body 11 is changed, the connecting rod 111 drives the second roller 112 to change correspondingly, compared with the arrangement without the first wrist strap 3 and the second wrist strap 4, the bending times of the first wrist strap 3 and the second wrist strap 4 are reduced, the operability of the device is ensured, and the service lives of the first wrist strap 3 and the second wrist strap 4 are also prolonged.
In one embodiment of the present invention, the second roller 112 is made of a magnetic material.
When the device works, the first wrist strap 3 and the second wrist strap 4 are respectively clamped between the two second rollers 112, so that the second rollers 112 are arranged to be made of magnetic materials, the second rollers 112 attract each other, the two second rollers 112 are clamped with each other, and the carding effect on the first wrist strap 3 and the second wrist strap 4 is enhanced; and when the connecting rod 111 drives the second roller 112 to generate corresponding angle change, the second roller 112 can attract each other to continue to clamp, so that the carding effect is not changed.
In an embodiment of the present invention, balls 113 are embedded in the first body 11 at contact portions of the first wristband 3, the second wristband 4, and the first body 11.
During operation, the main part 11 is gone up and is located wrist strap 3, No. two wrist straps 4 and the contact site embedding of main part 11 has ball 113, compares with not having this setting, and this setting makes and becomes rolling friction by sliding friction between wrist strap 3, No. two wrist straps 4 and the main part 11, when having guaranteed that the motion of wrist strap 3 and No. two wrist straps 4 is smooth and easy, has also reduced the wearing and tearing of wrist strap 3 and No. two wrist straps 4, has improved the life of wrist strap 3 and No. two wrist straps 4.
In an embodiment of the present invention, the airbag 13 is provided with a separation groove 131.
During operation, all be provided with on the gasbag 13 of a main part 11 bottom and the gasbag 13 at No. two main parts 12 tops and separate groove 131, this setting is separated the gasbag 13 of a main part 11 bottom and the gasbag 13 at No. two main parts 12 tops for two parts, and in the process of the gasbag 13 of a main part 11 and No. two main parts 12 extrudees the arm, this setting has produced double extrusion, has strengthened the extrusion effect to the blood vessel on the arm, and then makes the measuring result more accurate.
The specific working process is as follows:
the device for measuring blood pressure is arranged inside the first main body 11, and the first wrist strap 3 and the second wrist strap 4 are in a loose state; air pumps are arranged in the first main body 11 and the second main body 12 and are communicated with the air bag 13, and the air pumps can be automatically controlled to complete the inflation and deflation work of the air bag 13 when the measuring instrument measures the blood pressure through the intelligent control terminal; during measurement, the first main body 11 is placed at the arm, the air bag 13 below the first main body 11 is attached to the arm, and the size of the first main body 11 is set so that the first main body 11 can not cover the upper surface of the arm; because the first roller 21 is fixedly connected with the output shaft of the low-speed motor in the first main body 11, the low-speed motor is manually started to enable the first roller 21 to rotate anticlockwise, and in the rotating process of the first roller 21, the first wrist strap 3 and the second wrist strap 4 are mutually overlapped on the first roller 21 and wound on the first roller 21, so that the first wrist strap 3 and the second wrist strap 4 are tightened, and the second main body 12 moves upwards; because the included angle between the connecting part of the first wrist strap 3 and the first roller 21 and the included angle between the connecting part of the second wrist strap 4 and the first roller 21 are 180 degrees, the first wrist strap 3 and the second wrist strap 4 are wound on the first roller 21 in the rotating process of the first roller 21 approximately in the same degree, and the symmetry of the belt collection is ensured; when the airbag 13 above the second main body 12 is attached to an arm and reaches a certain tightness, the first roller 21 stops rotating manually, because one end of the first roller 21 is fixedly connected with a ratchet wheel 22, the part of the first main body 11, which is positioned right above the ratchet wheel 22, is rotatably connected with a pawl 23, the top of the pawl 23 is fixedly connected with a pull rod 24, the pull rod 24 penetrates through the top of the first main body 11, a spring 25 is nested between the top of the pawl 23 and the top of the first main body 11 on the pull rod 24, and the pawl 23 blocks the ratchet wheel 22 under the reset state of the spring 25, so that the ratchet wheel 22 cannot rotate clockwise; but the ratchet wheel 22 and the pawl 23 cannot influence the counterclockwise rotation of the first roller 21; therefore, when the first roller 21 stops rotating, the ratchet wheel 22 and the pawl 23 are matched, so that the first roller 21 cannot cause the first wrist strap 3 and the second wrist strap 4 to loosen due to clockwise rotation; then, blood pressure measurement is carried out, and the blood pressure measurement is finished when the air bag 13 inflates and deflates because the arranged air bag 13 can automatically complete the inflation and deflation work; after the measurement is finished, the pull rod 24 is pulled to separate the pawl 23 from the ratchet wheel 22, namely the first roller 21 can rotate clockwise to loosen the first wrist strap 3 and the second wrist strap 4, so that the separation of the measuring instrument is finished; in addition, when the first roller 21 rotates, the first wrist strap 3 and the second wrist strap 4 move upwards and are overlapped on the first roller 21, and are wound on the first roller 21, so that the first wrist strap 3 and the second wrist strap 4 are tightened, a connecting rod 111 is arranged at the bottom of the first main body 11 and close to the contact part of the first wrist strap 3, the second wrist strap 4 and the first main body 11, the other end of the connecting rod 111 is rotatably connected with the end part of the second roller 112, and the first wrist strap 3 and the second wrist strap 4 are respectively clamped between the two second rollers 112; two No. two rollers 112 of manual control make it press from both sides tightly, and this setting can make No. one wrist strap 3 and No. two wrist straps 4 receive No. two rollers 112 earlier when getting into a main part 11 inside, makes No. one wrist strap 3 and No. two wrist straps 4 can be smooth get into a main part 11 inside, has avoided taking place to block up when a wrist strap 3 and No. two wrist straps 4 get into a main part 11, and has guaranteed that a wrist strap 3 and No. two wrist straps 4 can smooth winding on a roller 21.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a wearable high accuracy blood pressure measuring apparatu which characterized in that: comprises a main body (1), a belt collecting unit (2), a first wrist strap (3) and a second wrist strap (4); the main body (1) comprises a first main body (11) and a second main body (12), and air bags (13) are fixedly mounted at the bottom of the first main body (11) and the top of the second main body (12); the belt winding unit (2) comprises a first roller (21), a ratchet wheel (22) and a pawl (23); the central part of the first main body (11) is rotationally connected with a first roller (21), one end of the first roller (21) is fixedly connected with a ratchet wheel (22), the part of the first main body (11) which is positioned right above the ratchet wheel (22) is rotationally connected with a pawl (23), the top of the pawl (23) is fixedly connected with a pull rod (24), the pull rod (24) penetrates through the top of the first main body (11), a spring (25) is nested between the top of the pawl (23) and the top of the first main body (11) on the pull rod (24), the first wrist strap (3) and the second wrist strap (4) are respectively connected to the first roller (21), the first wrist strap (3) and the second wrist strap (4) penetrate through the two sides of the bottom of the first main body (11) and are fixedly connected with the two sides of the top of the second main body (12), the included angle between the connecting part of the first wrist strap (3) and the first roller (21) and the included angle between the connecting part of the second wrist strap (4) and the first roller (21) are 180 degrees.
2. The wearable high-precision blood pressure measuring instrument according to claim 1, wherein: a connecting rod (111) is arranged at the bottom of the first main body (11) and close to the contact part of the first wrist strap (3), the second wrist strap (4) and the first main body (11), and the other end of the connecting rod (111) is rotatably connected with the end part of a second roller (112).
3. The wearable high-precision blood pressure measuring instrument according to claim 2, wherein: the connecting rod (111) is rotatably connected with the first main body (11).
4. The wearable high-precision blood pressure measuring instrument according to claim 3, wherein: the second roller (112) is made of magnetic materials.
5. The wearable high-precision blood pressure measuring instrument according to claim 4, wherein: balls (113) are embedded in the contact parts of the first wrist strap (3), the second wrist strap (4) and the first main body (11) on the first main body (11).
6. The wearable high-precision blood pressure measuring instrument according to claim 5, wherein: the air bag (13) is provided with a separation groove (131).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111334926.0A CN113940647A (en) | 2021-11-11 | 2021-11-11 | Wearable high accuracy blood pressure measuring apparatu |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111334926.0A CN113940647A (en) | 2021-11-11 | 2021-11-11 | Wearable high accuracy blood pressure measuring apparatu |
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| CN113940647A true CN113940647A (en) | 2022-01-18 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977547A (en) * | 2008-03-19 | 2011-02-16 | 欧姆龙健康医疗事业株式会社 | Blood pressure information measurement device |
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- 2021-11-11 CN CN202111334926.0A patent/CN113940647A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977547A (en) * | 2008-03-19 | 2011-02-16 | 欧姆龙健康医疗事业株式会社 | Blood pressure information measurement device |
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