CN110652291B - Medical stethoscopic sphygmomanometer - Google Patents
Medical stethoscopic sphygmomanometer Download PDFInfo
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- CN110652291B CN110652291B CN201910926396.5A CN201910926396A CN110652291B CN 110652291 B CN110652291 B CN 110652291B CN 201910926396 A CN201910926396 A CN 201910926396A CN 110652291 B CN110652291 B CN 110652291B
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- 238000000034 method Methods 0.000 claims abstract description 47
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 238000002555 auscultation Methods 0.000 claims abstract description 26
- 230000036772 blood pressure Effects 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000009471 action Effects 0.000 claims abstract description 19
- 230000004397 blinking Effects 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 15
- 230000035487 diastolic blood pressure Effects 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 230000035488 systolic blood pressure Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 19
- 238000012544 monitoring process Methods 0.000 claims description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 238000009530 blood pressure measurement Methods 0.000 abstract description 19
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 9
- 238000005259 measurement Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000035484 reaction time Effects 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000000249 desinfective effect Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 239000000645 desinfectant Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002302 brachial artery Anatomy 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- A61B5/02208—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers using the Korotkoff method
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/7475—User input or interface means, e.g. keyboard, pointing device, joystick
Abstract
The invention relates to a medical instrument, and discloses a medical auscultation method sphygmomanometer, which comprises a host and a cuff, wherein the cuff is connected with an air charging device and an air discharging device to form an air path system, and the host is internally provided with a main processor, a pressure sensor, a display screen and a blink detection device; in the process of exhausting, the main processor marks the pressure value of the first blinking action as a systolic pressure value and marks the pressure value of the second blinking action as a diastolic pressure value; the sleeve belt is connected into the air passage system through a quick-release connector, and the quick-release connector consists of a plug seat, a plug connector and a locking mechanism. The medical auscultation method sphygmomanometer has a small structure, is convenient to carry, does not need manual reading when measuring blood pressure, and can remarkably improve the blood pressure measurement accuracy; the cuff adopts the detachable design and the simple operation, and a host computer can cooperate many oversleeves and hose to use, and a patient changes, then carries out disinfection to the cuff collection, has both guaranteed medical efficiency, has reached medical instrument's sanitary disinfection requirement again.
Description
Technical Field
The invention relates to a medical instrument, in particular to a sphygmomanometer adopting an auscultation method.
Background
The auscultation method is also called the Korotkoff's method, is the most commonly used blood pressure measurement method in clinic, and all the blood pressures called as international documents, clinic pressure measurement, hypertension grading standards, textbooks and the like refer to the blood pressure measured according to the method, which is the gold standard for international noninvasive blood pressure measurement and is also the clinical standard for checking the accuracy of all noninvasive blood pressure meters. Sphygmomanometers that perform blood pressure measurement in cooperation with the auscultation method are collectively called auscultation method sphygmomanometers, and clinically have a position that other types of sphygmomanometers cannot replace. At present, a full-automatic auscultation method sphygmomanometer which has accurate measurement data and can meet the requirements of diagnosis does not exist, and the auscultation method sphygmomanometer used clinically relies on the manual hearing of Korotkoff sounds and the reading of blood pressure values, and the following defects generally exist in the use process: firstly, in the process of measuring blood pressure, an operator needs to pay attention to the Korotkoff sounds and observe the graduated scale to finish pressure reading at corresponding moments, the operator needs to have a certain response time from hearing the sounds to finishing the pressure reading, and the time delay causes a certain error in the measured blood pressure value, and the error is influenced by multiple factors such as hearing, vision, response speed, reading proficiency and the like of the operator, so that the error cannot be avoided and budgeted; secondly, when blood pressure is clinically measured, the numerical values of systolic pressure and diastolic pressure are usually required to be determined successively in a continuous decompression and deflation process, and the numerical value of the systolic pressure obtained in advance is easy to forget; thirdly, in order to facilitate the reading of operators, the existing auscultation method sphygmomanometer is generally provided with a large scale, so that the whole sphygmomanometer is large in size and inconvenient to move and carry.
In addition, in the use process of the medical sphygmomanometer, the cuff can be in contact with the skin of different patients and is relatively tight, and the cuff is very necessary to be disinfected. The cuff, the hose and the host of the existing sphygmomanometer are generally fixedly connected, the cuff is not convenient to detach and centralize for sterilization, the operation efficiency is low by only adopting an alcohol wiping mode for sterilization, and particularly when more patients need to measure blood pressure at the same time, medical staff does not have enough time to sterilize the cuff, the sterilization effect is difficult to ensure, and even medical staff directly ignores the sterilization link of the cuff and directly performs blood pressure measurement on different patients in sequence, so that great potential safety hazards exist.
Disclosure of Invention
In order to overcome the technical problems, the invention provides the medical auscultation method sphygmomanometer which can reduce the operation difficulty of blood pressure measurement, is beneficial to improving the measurement accuracy and is convenient for disinfecting the cuff.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides a medical auscultation method sphygmomanometer, its includes host computer and sleeve area, and gasbag in the sleeve area links to each other with aerating device, exhaust apparatus through the hose and forms a gas circuit system, is equipped with main processor, pressure sensor and display screen in the host computer, and main processor can obtain the real-time pressure value in the gas circuit system, its characterized in that based on pressure sensor: the host is provided with a blink detection device, and the main processor can monitor blink actions of an operator based on the blink detection device; in the exhaust process, the main processor marks the pressure value in the gas circuit system when the first blinking action is monitored as a systolic pressure value, marks the pressure value in the gas circuit system when the second blinking action is monitored as a diastolic pressure value, and outputs the real-time pressure value, the systolic pressure value and the diastolic pressure value through the display screen; the sleeve belt is connected into the air circuit system through a quick-release connector, and the quick-release connector consists of a plug seat, a plug connector and a locking mechanism; the plug-in seat is in a column hole shape and is communicated with the gas circuit system, an O-shaped sealing ring is fixed on the inner side wall of the plug-in seat, and a knock pin is fixed at the center of the inner part of the plug-in seat; the plug connector is hollow and cylindrical, the rear end of the plug connector is fixedly connected with a hose of the cuff, the inner diameter of the front port of the plug connector is smaller than that of the inner cavity of the plug connector, a valve ball and a thrust spring are arranged in the inner cavity of the plug connector, and the thrust spring can drive the valve ball to plug the front port; the locking mechanism can lock the plug and the socket after the plug is inserted into the socket, and the valve ball is propped by the jacking pin and leaves the front port, so that the inner cavity of the plug is communicated with the gas circuit system through the socket; the manual adjustment locking mechanism can release the locking of the plug connector and the plug seat.
The clinical operation method and the working principle of the medical auscultation method sphygmomanometer are as follows:
measuring blood pressure: the cuff is fixed, the stethoscope is arranged and inflated according to the conventional operation, the blink detection device is modulated to be in a working state, the exhaust device is adjusted to be in an exhaust state, an operator listens to the blood pressure Korotkoff sounds towards the blink detection device, when the Korotkoff sounds appear, the operator blinks once, at the moment, the blink detection device transmits signals to the main processor, and the main processor records a pressure value fed back by the pressure sensor at the moment as a contraction pressure value; when the Korotkoff sounds disappear or the sounds change, the operator blinks for the second time, and similarly, the main processor records the pressure value at the moment as a diastolic pressure value; finally, the systolic pressure value and the diastolic pressure value displayed on the display screen are recorded, and the blood pressure measurement operation is completed.
Disassembling and assembling the sleeve belt: after the measurement is finished on a patient, the locking mechanism is manually unlocked to lock the plug connector and the plug socket, the plug connector automatically moves backwards and moves out of the plug socket under the thrust action of the thrust spring, and the detached sleeve belt is treated as an article to be disinfected; the sterilized cuff is selected, the connector is combined with the connector socket, the locking mechanism is determined to lock the connector socket and the connector socket, and then the next patient can be subjected to blood pressure measurement.
The invention has the following technical effects:
in the process of measuring blood pressure by using the medical auscultation method sphygmomanometer, after an operator hears the Korotkoff sound change, the operator does not need to carry out manual reading, and can obtain a corresponding blood pressure value by only blinking, so that the executing speed of blinking actions is extremely high, and the defect of large manual reading error is effectively overcome; because the blinking action is completed without distraction, the operator can more intensively listen to the Korotkoff sounds, the reaction time of the operator is effectively shortened, and especially when the operator uses the medical stethoscope for a period of time, the condition reflection is easy to form, the reaction time can be further shortened, and the blood pressure measurement precision is remarkably improved; in the blood pressure measurement process, an operator is not required to read and count blood pressure data, the operation is more convenient, and the problem of forgetting numerical values can be avoided. Meanwhile, the cuff of the medical auscultation method sphygmomanometer adopts a detachable design and is very convenient to operate, a host can be matched with a plurality of cuffs and hoses for use in clinical application, a patient can replace the cuffs, and then the cuffs are subjected to centralized disinfection treatment, so that the medical efficiency is ensured, and the sanitary disinfection requirement of medical instruments is met; because the ball valve is arranged in the plug connector, the front port of the plug connector is plugged by the ball valve after the sleeve belt is detached, so that disinfectant or other foreign matters can be prevented from entering the air bag and the hose of the sleeve belt, and the sleeve belt can be disinfected in a more efficient and rapid soaking mode. In addition, the medical auscultation method sphygmomanometer does not need to be provided with a large scale, so that the medical auscultation method sphygmomanometer is more compact and small and is convenient to carry.
Drawings
Fig. 1 is a schematic diagram of a medical stethoscope-based blood pressure monitor.
Fig. 2 is a schematic structural view of the socket and the locking mechanism.
Fig. 3 is a schematic structural view of the plug.
Fig. 4 is a schematic structural view of the plug socket and the plug connector after being combined and locked by the locking mechanism.
Fig. 5 shows one embodiment of a medical stethoscope-based blood pressure monitor.
Fig. 6 shows a second embodiment of a medical stethoscope type blood pressure monitor.
In the figure, 1, a host machine, 2, a sealing rubber ring, 3, an O-shaped sealing ring, 4, a reset spring, 5, a sliding chute, 6, a handle, 7, a sliding arm, 8, a locking pin, 9, a jacking pin, 10, a side hole, 11, a plug socket, 12, a front port, 13, an annular rubber ring, 14, a valve ball, 15, a plug, 16, a hose, 17, a thrust spring, 18, a locking groove, 19, a monitoring button, 20, a display screen, 21, a blink detection device, 22, a storage barrel, 23, a sleeve belt, 24, a manual exhaust valve, 25, a balloon, 26, an electromagnetic valve, 27, a start pressure measurement button, 28 and an electric air pump.
Detailed Description
Referring to fig. 1 to 6, the medical stethoscopic sphygmomanometer disclosed by the present invention comprises a main body 1 and a cuff 23; the cuff 23 is internally provided with an air bag, and the air bag is connected with an air charging device and an air discharging device through a hose 16 to form an air path system of the sphygmomanometer; the air charging device is used for charging air into the air path system when measuring blood pressure, and can adopt a balloon 25 or an electric air pump 28 in the prior art, the air discharging device is used for slowly discharging the air of the air path system in the blood pressure measuring process, and can adopt a manual air discharging valve 24 or an electromagnetic valve 26 in the prior art; the host 1 is internally provided with a main processor, a pressure sensor, a display screen 20, a blink detection device 21, a power supply, a control panel and other inherent components, the pressure sensor is connected into the gas circuit system, and the display screen 20, the blink detection device 21 and the control panel are arranged on the front side of the host 1 so as to face an operator in the use process; the main processor can obtain a real-time pressure value in the gas circuit system based on the pressure sensor, and can monitor the blink action of an operator based on the blink detection device 21; in the process of exhausting blood pressure measurement, the main processor marks the pressure value in the air path system when the first blinking action is monitored as a systolic pressure value, marks the pressure value in the air path system when the second blinking action is monitored as a diastolic pressure value, and outputs the real-time pressure value, the systolic pressure value and the diastolic pressure value through the display screen 20; the sleeve belt 23 is connected into the air circuit system through a quick-release connector, the sleeve belt 23 and the host 1 can be quickly disassembled and assembled by means of the quick-release connector, and the quick-release connector consists of the plug seat 11, the plug connector 15 and the locking mechanism; the plug seat 11 is in a column hole shape and is communicated with the gas circuit system, the O-shaped sealing ring 3 is fixed on the inner side wall of the plug seat, and the ejector pin 9 is fixed at the center of the inner circle of the plug seat; the plug 15 is hollow and cylindrical, the rear end of the plug 15 is fixedly connected with a hose 16 of a cuff 23 in a sealing way, the inner diameter of a front port 12 of the plug is smaller than the inner diameter of an inner cavity, a valve ball 14 and a thrust spring 17 are arranged in the inner cavity, the thrust spring 17 can drive the valve ball 14 to seal the front port 12, and in order to ensure the sealing performance of the valve ball 14 matched with the front port 12, an annular rubber ring 13 used for being matched with the valve ball 14 in a sealing way can be arranged at the rear side of the front port 12; after the plug 15 is completely inserted into the plug seat 11, the locking mechanism can lock the relative positions of the plug 15 and the plug seat, at the moment, the O-shaped sealing ring 3 is in sealing fit with the outer wall of the plug 15, and the valve ball 14 is propped by the jacking pin 9 to leave the front port 12, so that the inner cavity of the plug 15 is connected into the gas circuit system through the plug seat 11; the manual adjustment locking mechanism can unlock the plug 15 and the socket 11.
The clinical operation method and the working principle of the medical auscultation method sphygmomanometer are as follows:
measuring blood pressure:
the method comprises the steps of modulating a sphygmomanometer to be in a starting state, finishing fixation of a cuff 23 and placement of a stethoscope according to conventional operation, wearing the stethoscope, closing an air exhausting device, inflating by utilizing an inflating device, observing a display screen 20 after the sound of the brachial artery pulsation disappears, continuing inflating to enable a real-time pressure value to be increased by 20-30mmHg, adjusting a blink detection device 21 to a working state, adjusting the air exhausting device to be in an air exhausting state, enabling an operator to hear the blood pressure Korotkoff sounds towards the blink detection device 21, blinking once when the Korotkoff sounds first sounds appear, enabling the blink detection device 21 to transmit signals to a main processor, and enabling the main processor to record the pressure value fed back by the pressure sensor at the moment as a contraction pressure value; when the Korotkoff sounds disappear or the sounds change, the operator blinks for the second time, and similarly, the main processor records the pressure value at the moment as a diastolic pressure value; finally, the systolic pressure value and the diastolic pressure value displayed on the display screen 20 are read and recorded, and thus the blood pressure measurement operation is completed.
Disassembly and assembly of the cuff 23:
after a patient finishes measurement, the locking mechanism is manually unlocked to lock the plug connector 15 and the plug seat 11, the plug connector 15 automatically moves backwards and moves out of the plug seat 11 under the thrust of the thrust spring 17, and the detached cuff 23 is used as a medical article to be disinfected; the sterilized cuff 23 is selected, the hub 15 and the hub 11 are combined and the locking mechanism is determined to lock the two, after which the next patient can be subjected to blood pressure measurement.
When the medical auscultation method sphygmomanometer is clinically used, an operator does not need to manually read after hearing the Korotkoff sound change in the blood pressure measurement process, and can obtain a corresponding blood pressure value by blinking only, so that the executing speed of blinking actions is extremely high, and the defect of large manual reading error is effectively overcome; because the blinking action is completed without distraction, the operator can more intensively listen to the Korotkoff sounds, the reaction time of the operator is effectively shortened, and especially when the operator uses the medical stethoscope for a period of time, the condition reflection is easy to form, the reaction time can be further shortened, and the blood pressure measurement precision is remarkably improved; in the blood pressure measurement process, an operator is not required to read and count blood pressure data, the operation is more convenient, and the problem of forgetting numerical values can be avoided.
In clinical use, the medical auscultation method sphygmomanometer adopts the detachable design and is very convenient to operate, and in clinical use, the main machine 1 can be matched with the multi-oversleeve 23 and the hose 16 for use, and a patient can replace the multi-oversleeve and the hose, and then the medical efficiency is ensured and the sanitary and disinfection requirements of medical instruments are met by intensively disinfecting the cuff 23;
because the ball valve is arranged in the plug connector 15 connected with the sleeve belt 23, the front port 12 of the plug connector 15 is plugged by the ball valve after the sleeve belt 23 is detached, the inner cavities of the sleeve belt 23 and the hose 16 are isolated from the outside, and disinfectant or other foreign matters can be prevented from entering the air bag of the sleeve belt 23 and the hose 16, so that the sleeve belt 23 can be disinfected in a more efficient and rapid soaking mode, and the effect and the efficiency of disinfecting the sleeve belt 23 are improved.
In addition, for some inpatients such as infectious disease patients, a special sphygmomanometer is needed in clinic, so that a certain medical resource waste is caused.
In this medical auscultation method sphygmomanometer, in cuff 23 inserts the gas circuit system through quick detach joint, the tightness after plug 15 and the socket 11 combination is the essential factor that influences medical auscultation method sphygmomanometer measurement accuracy, in order to improve the tightness after plug 15 and the socket 11 combination, the structure of plug 15 and socket 11 still has following improvement:
referring to fig. 2-4, the socket 11 is blind hole shaped, and the top pin 9 is fixed at the bottom of the socket 11; the ejector pin 9 is of a hollow structure, the inner cavity of the ejector pin is communicated with the air path system, the side wall of the front end of the ejector pin is provided with a side hole 10, and the outer wall of the ejector pin is sleeved with a sealing rubber ring 2; after the plug seat 11 and the plug connector 15 are combined, the sealing rubber ring 2 of the ejector pin 9 is in sealing fit with the inner wall of the front port 12, and the inner cavity of the plug connector 15 is communicated with the inner cavity and the air circuit system through the side hole 10 of the ejector pin 9. Based on this improvement, after the socket 11 and the plug 15 are combined, the plug 9 and the front port 12 are in airtight connection through the sealing rubber ring 2, the socket 11 and the plug 15 are in airtight connection through the O-shaped sealing ring 3, and the double sealing mechanism ensures the stability of the airtight connection of the socket 11 and the plug 15.
In this medical auscultation method sphygmomanometer, locking mechanical system's effect lies in: on the one hand, the locking mechanism can maintain the combined state of the plug 15 and the plug seat 11 and resist certain external force in the normal use process of the sphygmomanometer, and on the other hand, when the cuff 23 is to be taken down from the air path system, the locking effect of the locking mechanism can be manually released to separate the plug 15 from the plug seat 11; in the prior art, the locking mechanism has various embodiments to meet the above functions, but in order to make the operation more convenient, the following structure is preferably adopted for the locking mechanism:
referring to fig. 2-4, the locking mechanism comprises a locking pin 8 which is arranged in the main machine 1 and can move axially, and a reset spring 4 which drives the locking pin 8 to reset, wherein the locking pin 8 is fixedly connected with a handle 6 positioned outside the main machine 1 through a sliding arm 7, and a sliding groove 5 for the sliding arm 7 to move is formed in the main machine 1; the front end of the plug 15 is smooth, and the outer side wall of the plug is provided with a locking groove 18; when the plug connector 15 is inserted into the plug connector 11, the locking pin 8 is pushed by the reset spring 4, and the locking end extends into the plug connector 11 and falls into the locking groove 18, so that the axial positions of the plug connector 11 and the plug connector 15 are locked; the drive handle 6 can drive the locking end of the locking pin 8 out of the locking groove 18, thereby releasing the locking action of the locking mechanism on the socket 11 and the plug 15.
In the medical stethoscope, the blink detection device 21 is used for monitoring the blink action of an operator and feeding back to the main processor, so that the main processor determines the occurrence time of the systolic pressure value and the diastolic pressure value, and the blink detection device 21 with the functions has various embodiments in the prior art, is usually composed of a camera and a corresponding identification program, is already applied to a smart phone, and is also widely applied to equipment with a face recognition function. Based on the operating principle of the auscultatory sphygmomanometer, the blink detection device 21 should detect the blink motion of the operator only during the deflation period to avoid discomfort caused by the operator's eyes being open for a long time, so the operating state of the blink detection device 21 should be manually or by the main processor adjusted to maintain the operating state only during the deflation period.
Referring to fig. 5, in order to reduce the manufacturing cost when implementing the medical auscultation method sphygmomanometer, the medical auscultation method sphygmomanometer can be implemented in a manual operation mode, namely, the air charging device is a balloon 25 capable of outputting air unidirectionally, the air discharging device is a manual air discharging valve 24, and the balloon 25 and the manual air discharging valve 24 are connected into an air path system together through an air pipe; the host 1 is provided with a monitoring button 19 for controlling the working state of the blink detection device 21; in clinical measurement of blood pressure, the operator starts blink monitoring by adjusting blink detection means 21 to a detection state by means of monitoring button 19 before opening manual purge valve 24 to deflate.
Referring to fig. 6, in order to reduce the complexity of manual operation when implementing the medical stethoscope, the medical stethoscope can be implemented in a more automatic manner, namely, the air charging device is an electric air pump 28, the air discharging device is an electromagnetic valve 26, the electric air pump 28 and the electromagnetic valve 26 are arranged in the host computer 1, the electric air pump 28, the electromagnetic valve 26 and the blink detection device 21 are controlled by the host processor to work, and the host computer 1 is provided with a start pressure measurement button 27 for sending instructions to the host processor; after the start pressure measuring button 27 is pressed, the electromagnetic valve 26 is kept in a closed state, the blink detection device 21 is kept in an unoperated state, the electric air pump 28 is operated to inflate the air path system, and after the real-time pressure value reaches a preset value (higher than the blood pressure of the ordinary person), the main processor stops the operation of the electric air pump 28, switches the electromagnetic valve 26 to an open state, and adjusts the blink detection device 21 to an operating state. Therefore, the medical auscultation method sphygmomanometer can automatically complete inflation and exhaust operations, and links of manual operation are reduced.
As shown in fig. 5 and 6, when the medical stethoscopic sphygmomanometer is implemented, in order to make the structure more compact and more portable, the host computer 1 may be implemented by adopting the following structure: the main machine 1 is designed in a strip-shaped horizontal mode, a storage barrel 22 extending along the width of the main machine 1 is arranged at the rear side of the main machine 1, and the storage barrel 22 at least can accommodate the tidied cuff 23 and the hose 16.
Claims (5)
1. The utility model provides a medical auscultation method sphygmomanometer, its includes host computer and sleeve area, and gasbag in the sleeve area links to each other with aerating device, exhaust apparatus through the hose and forms a gas circuit system, is equipped with main processor, pressure sensor and display screen in the host computer, and main processor can obtain the real-time pressure value in the gas circuit system, its characterized in that based on pressure sensor: the host is provided with a blink detection device, and the main processor can monitor blink actions of an operator based on the blink detection device; in the exhaust process, the main processor marks the pressure value in the gas circuit system when the first blinking action is monitored as a systolic pressure value, marks the pressure value in the gas circuit system when the second blinking action is monitored as a diastolic pressure value, and outputs the real-time pressure value, the systolic pressure value and the diastolic pressure value through the display screen; the sleeve belt is connected into the air circuit system through a quick-release connector, and the quick-release connector consists of a plug seat, a plug connector and a locking mechanism; the plug-in seat is in a column hole shape and is communicated with the gas circuit system, an O-shaped sealing ring is fixed on the inner side wall of the plug-in seat, and a knock pin is fixed at the center of the inner part of the plug-in seat; the plug connector is hollow and cylindrical, the rear end of the plug connector is fixedly connected with a hose of the cuff, the inner diameter of the front port of the plug connector is smaller than that of the inner cavity of the plug connector, a valve ball and a thrust spring are arranged in the inner cavity of the plug connector, and the thrust spring can drive the valve ball to plug the front port; the locking mechanism can lock the plug connector and the plug socket after the plug connector is inserted into the plug socket, and the valve ball is propped by the ejector pin and leaves the front port at the moment, so that the inner cavity of the plug connector is communicated with the gas circuit system through the plug socket; the manual adjustment locking mechanism can release the locking of the plug connector and the plug seat; the main machine adopts the horizontal design of rectangular shape, and the main machine rear side is equipped with the receiving section of thick bamboo that extends along its width, and the receiving section of thick bamboo can hold sleeve area and hose after the arrangement at least.
2. The medical stethoscopic sphygmomanometer according to claim 1, wherein: the plug seat is blind hole-shaped, and the ejector pin is fixed at the bottom of the plug seat; the ejector pin is of a hollow structure, the inner cavity of the ejector pin is communicated with the gas circuit system, the side wall of the front end of the ejector pin is provided with a side hole, and the outer wall of the ejector pin is sleeved with a sealing rubber ring; when the plug seat is combined with the plug connector, the sealing rubber ring of the ejector pin is in sealing fit with the inner wall of the front port, and the inner cavity of the plug connector is communicated with the inner cavity and the air circuit system through the side hole of the ejector pin.
3. The medical stethoscopic sphygmomanometer according to claim 1, wherein: the locking mechanism comprises a locking pin which is arranged in the main machine and can move axially and a reset spring which drives the locking pin to reset, the locking pin is fixedly connected with a handle positioned outside the main machine through a sliding arm, and the main machine is provided with a sliding groove for the sliding arm to move; the front end of the plug connector is smooth, and the outer side wall of the plug connector is provided with a locking groove; when the plug connector is inserted into the plug connector, the locking pin is pushed by the reset spring, and the locking end extends into the plug connector and falls into the locking groove, so that the axial positions of the plug connector and the plug connector are locked; the drive handle may drive the locking end of the locking pin out of the locking groove.
4. The medical stethoscopic sphygmomanometer according to claim 1, wherein: the air charging device is a balloon capable of outputting air unidirectionally, the air discharging device is a manual air discharging valve, and the balloon and the manual air discharging valve are connected into the air path system together through an air pipe; the host is provided with a monitoring button for controlling the working state of the blink detection device; when clinically measuring blood pressure, an operator adjusts the blink detection device to a detection state by utilizing a monitoring button before opening the manual exhaust valve for deflation, namely, blink action monitoring is started.
5. The medical stethoscopic sphygmomanometer according to claim 1, wherein: the air charging device is an electric air pump, the air discharging device is an electromagnetic valve, the electric air pump and the electromagnetic valve are arranged in the host, the electric air pump, the electromagnetic valve and the blink detection device are controlled by the main processor to work, and a pressure measuring starting button for sending instructions to the main processor is arranged on the host; after the start pressure measuring button is pressed, the electromagnetic valve is kept in a closed state, the blink detection device is kept in an unoperated state, the electric air pump is inflated into the air path system, and after the real-time pressure value reaches a preset value, the main processor stops the electric air pump, switches the electromagnetic valve to an open state, and adjusts the blink detection device to an operating state.
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| CN110652291A (en) | 2020-01-07 |
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