47 results about "Brachial artery" patented technology

The invention discloses an electronic sphygmomanometer with an atrial fibrillation detection function, an atrial fibrillation detection method and device and electronic equipment, and belongs to the technical field of medical instruments. The electronic sphygmomanometer comprises a cuff, a processor, a detection result output component, a pressure signal detection component and a piezoelectric signal detection component, the pressure signal detection component and the piezoelectric signal detection component are respectively used for collecting a pressure signal in the cuff in a pressure release stage in the current blood pressure measurement process and a Korotkoff sound signal generated by brachial artery pulsation; the processor is used for analyzing and processing the pressure signal and the Korotkoff sound signal, acquiring the signal time position and the amplitude of the Korotkoff sound signal, acquiring a pulse interval sequence of the current blood pressure measurement based on the signal time position, and acquiring an atrial fibrillation state classification result corresponding to the current blood pressure measurement based on the pulse interval sequence and the amplitude; and the detection result output component is used for outputting an atrial fibrillation state classification result. The electronic sphygmomanometer can accurately detect whether atrial fibrillation occurs or not.

The invention relates to the field of physiological signal detection, and discloses a blood pressure measurement system based on brachial artery cuff pressurization and finger PPG detection, which comprises a pressure control module, a PPG acquisition module and a central processing unit. The central processing unit is configured to extract a multi-dimensional PPG feature vector from the PPG signal in real time; dynamically adjusting the change mode of the cuff pressure applied by the pressure control module in a closed-loop manner based on the change of the PPG feature vector; constructing a dynamic response map based on the synchronously recorded cuff pressure and PPG feature vector; and determining a blood pressure value based on the overall analysis of the dynamic response map. Determining the blood pressure value specifically includes identifying a systematic distorted phase transition point in the atlas to determine systolic pressure. Through closed-loop adaptive excitation and global trajectory analysis, blood pressure determination is established on the basis of hemodynamic state transition, dependence on isolated event points is avoided, and measurement robustness and accuracy are improved.

According to the arteriosclerosis detection method and device, the upper arm blood pressure is obtained based on the heart and ankle vascular index CAVI; systolic pressure Ps and diastolic pressure Pd are obtained; calculating to obtain a pulse pressure difference delta P, wherein the pulse pressure difference delta P = systolic pressure Ps-diastolic pressure Pd; measuring to obtain the distance Lca from the heart aortic valve to the ankle; measuring to obtain the time difference Tca of the pulse wave propagating from the heart to the ankle; a heart and ankle vascular index CAVI is obtained through calculation according to the following formula; # imgabs0 # is used for measuring and obtaining a pulse wave starting point time point TA1 of the ankle; measuring a pulse starting point TA2 of brachial artery pulse waves, and calculating TA1 to TA2 to obtain a time difference Tba; measuring to obtain a heart sound signal of cardiac pulsation, and obtaining a time difference T2 between a second heart sound and a first incision of the brachial artery; the time difference Tca is equal to the sum of the time difference Tba and the time difference T2. At least three blood pressure measuring devices and at least three electrocardio detection electrodes are arranged; the heart sound detection module is in electric signal connection with the heart sound detection sensor through a signal line; the heart sound detection sensor is used for being placed at the heart position of a detected person to obtain heart sound signals.

The utility model relates to the technical field of medical instruments, in particular to a simple and convenient brachial artery hemostat which comprises a supporting pressing plate, open grooves are formed in the two side ends of the supporting pressing plate, a threaded sleeve is fixedly installed at the upper end of the supporting pressing plate, a threaded block is in threaded connection with the interior of the threaded sleeve and located on a screw rod, and the screw rod is fixedly connected with the threaded sleeve. A cushion block is installed at the bottom end of the screw rod, and the cushion block is rotationally connected with the screw rod through a bearing. According to the hemostat, the screw rod is manually rotated, the height of the cushion block at the bottom end of the screw rod is adjusted, the cushion block presses the hemostasis position, when the bottom end of the cushion block is squeezed, medicine in the hemostasis medicine area can be squeezed out, the medicine enters the hemostasis cushion and makes contact with the hemostasis position of a patient, and the hemostasis effect is better in cooperation with the medicine; and the upper end shell and the lower end shell are directly and quickly disassembled and assembled through the disassembling and assembling assembly, so that after the upper end shell and the lower end shell are disassembled, the internal sleeve gaskets can be conveniently replaced, and a next patient can use the shell conveniently.

The embodiment of the invention provides equipment, a method and a device for measuring blood pressure based on a boosting process. The equipment comprises a cuff with an inflatable air bag, a pressure signal acquisition unit, a piezoelectric signal acquisition unit and a processor, the piezoelectric signal acquisition unit is arranged on the side, attached to the arm, of the cuff, and the pressure signal acquisition unit acquires pressure signals in the cuff in the air bag inflation stage when the equipment is used for measuring blood pressure; the piezoelectric signal acquisition unit is used for synchronously acquiring piezoelectric signals generated by brachial artery pulsation in an air bag inflation stage; and the processor is used for processing the piezoelectric signal to obtain the signal position of the effective Korotkoff sound signal, and obtaining a blood pressure measurement result based on the signal amplitude of the pressure signal at the signal position. In the blood pressure measurement process, the air bag can be inflated slowly and evenly, pressurization is stopped immediately when it is detected that the pressure reaches a target value, the use comfort of the device is improved, meanwhile, Korotkoff sound is accurately detected, and the blood pressure measurement accuracy is improved.

The utility model relates to a telescopic device which comprises a supporting structure used for fixing a reducing ring of a blood pressure measuring device, the supporting structure comprises a hollow channel, and the hollow channel provides a penetrating space for the reducing ring; the first fixing structure is arranged in the direction intersecting with the first side edge, located below the variable-diameter ring, of the supporting structure, and the two ends of the first fixing structure are used for fixing a sensor of the blood pressure measuring device respectively; the telescopic structure and the supporting structure are symmetrically arranged, one side of the telescopic structure is at least partially connected with the second side edge, located above the variable-diameter ring, of the supporting structure, and the other side of the telescopic structure is at least partially fixedly connected with an arm cylinder of the blood pressure measuring device; and the telescopic structure is used for providing a moving space for the supporting structure to move in the vertical direction when the reducing ring performs reducing motion, so that the sensor can move up and down. The telescopic device provided by the utility model not only can provide a moving space for reducing motion of the reducing ring, but also can ensure that the sensor always keeps moving up and down in the reducing motion process of the reducing ring, so that the sensor is prevented from deviating from a measuring position of a brachial artery of an upper arm of a measurer due to circumferential position deviation.

The utility model discloses a brachial artery fixing aid after cardiovascular intervention operation, including big arm seat and small arm seat, the bottom of big arm seat one side is equipped with the connecting groove, the inside of connecting groove is slidably connected to one end of small arm seat, the both sides of small arm seat all are equipped with slide rail, and the both sides of connecting groove inner wall all are fixedly connected with the sliding block of sliding connection in slide rail, the one side of big arm seat and small arm seat all is connected with the bandage, the upper end of big arm seat and small arm seat all is fixedly connected with the placement soft pad, the upper end of the one side of small arm seat away from the placement soft pad is equipped with the recess to big arm seat one side, and is close. The utility model discloses through the pressing block of both sides drive the limit block to remove the one side of mutual far away, and make the limit block with corresponding limit slot insert connection, connect and fix between big arm seat and small arm seat to adjust the distance between big arm seat and small arm seat according to the length of patient's big arm and small arm, improve the comfort degree of patient.

The brachial artery compressor comprises a big arm supporting plate and a small arm supporting plate, and two connecting mechanisms are arranged between the big arm supporting plate and the small arm supporting plate. According to the brachial artery compressor provided by the invention, when the elbow of a patient needs to be bent to further relieve the condition of unsmooth blood flow or hematoma of the patient, firstly, movable columns on two second connecting plates are pressed to the elbow joint position of the patient; then the pulling plates rotate relative to the second connecting plates under the repulsive force effect of magnets on the pulling plates and the second connecting plates, the medical staff can quickly drive the corresponding sliding rods to leave the rotating frame by pulling the two unfolded pulling plates, and then the rotating frame rotates within a certain range in the fixing shell; the forearm supporting plate rotates within a certain range relative to the big arm supporting plate, the elbow joint of a patient can be moved within a small range as soon as possible through convenient operation, and therefore the situation of unsmooth blood flow or hematoma is rapidly relieved, and the practicability of the device is improved.

An aortic arch brachial artery vascular stent belongs to medical consumables and is a covered stent, including a main stent and two branch stents. One end of the two branch stents is embedded in the front end of the main stent. The front end of the main stent is provided as a connector connected to the branch stent. One end of the connector is an integrated structure with the main stent, and the other end is closed and provided with a skirt extending outward. Two through holes arranged in parallel are provided in the skirt. One end of the branch stent is a connecting end, which passes through the through hole of the skirt and goes deep into the connecting end of the main stent. A limiting structure is provided at the connecting end of the branch stent. The present invention is novel in concept and ingenious in design. When applied to the innominate artery of the aortic arch, it can effectively reduce the difficulty of surgical placement of the covered stent, shorten the operation time, and improve the success rate.

The present disclosure relates to the technical field of blood pressure measurement. Disclosed are a blood pressure measurement device and method having Korotkoff sound recognition and playback functions. The blood pressure measurement device comprises an air pressure sensor, a vibration sensor, and a control module. The air pressure sensor is configured for collecting a pressure analog signal, and the pressure analog signal is configured for characterizing the air pressure within a cuff. The vibration sensor is configured for acquiring a brachial artery pulsation signal. The control module is configured for controlling the air pressure in the cuff and identifying a Korotkoff sound from the brachial artery pulsation signal, and obtaining systolic blood pressure data and diastolic blood pressure data according to the Korotkoff sound and the air pressure. The control module is also configured for responding to a playback operation, playing back the cuff deflation process and the process from appearance to disappearance of the Korotkoff sound, and displaying a blood pressure value, so that a user can analyze the Korotkoff sound to verify the accuracy of a blood pressure measurement result.

The invention provides a covered stent, a covered stent delivery system and an intervention system, the covered stent comprises: a main covered stent having at least one pre-opening; and at least part of the guide wire is located at the pre-opened hole, and the guide wire is in releasable connection with the main covered stent. The covered stent embedded with the guide wire can be assembled into a standardized module in advance before an operation, then the standardized module is pressed, held and loaded in a conveying system, in an interventional operation, the stent is conveyed to a target position of an aortic arch through a femoral artery approach, after the main covered stent is released, the conveying system is withdrawn, the guide wire is disengaged from a side hole of a middle tube and exposed, and the guide wire is released from the side hole of the middle tube. An operator can directly use the exposed guide wire to guide the rapid exchange catheter to enter a branch blood vessel to complete passage establishment without additionally puncturing a carotid artery or a brachial artery, so that the operation time is remarkably shortened, and the stroke risk is reduced.

This invention discloses a non-invasive method for estimating central aortic pressure (PWV) driven by a vascular tree network, relating to the field of cardiovascular hemodynamic modeling. The method includes: collecting clinical data and scaling the vessel length and reference area; calculating the flow waveforms of the aorta and its branches based on the 4D-Flow MRI velocity field to determine the blood flow distribution ratio; constructing an eight-branch vascular tree network model based on the pressure propagation path from the aorta to the brachial artery; selecting a section on the descending aorta's central axis to calculate the flow waveform and inversely calculating PWV; constructing a dataset using sensitivity analysis and one-dimensional positive problem simulation to pre-train the neural network; performing PINN patient-specific fine-tuning on the model; extracting the aortic pressure waveform using the fine-tuned model, calculating the central aortic pressure value, and outputting patient-specific parameters and distribution results. The input waveform constructed based on non-invasive clinical data in this invention can adapt to different patient-specific differences, significantly improving the model's individualization and clinical compatibility.

The brachial artery compressor comprises an arc-shaped supporting plate and a soft cushion bonded to the inner side of the arc-shaped supporting plate, two compression belts distributed in a crossed mode are fixedly installed on the inner side of the arc-shaped supporting plate, and an air bag is fixedly installed on the bottom face of the crossed position of the two compression belts. A limiting assembly used for pressing the pressing belt is installed on the inner side of the arc-shaped supporting plate, and an inflation and deflation assembly is arranged on the top face of the air bag. The arm of a patient penetrates through the position between the inner side of the soft cushion and the two compression belts, so that the puncture position corresponds to the position of the air bag, the two compression belts are controlled to be tightened, the air bag drives the dressing to be tightly connected with the skin of the puncture part of the patient, the air bag is tightened by the two compression belts, and the position of the air bag is effectively prevented from deviating.

The invention is applicable to the technical field of hemostasis devices, and provides a brachial artery puncture compression hemostasis device which comprises a sticking ring, a labor-saving pressurizing mechanism is arranged on one side of the sticking ring, and a self-adaptive fixing mechanism is arranged on the outer side of the sticking ring; according to the brachial artery puncture compression hemostasis device, the labor-saving pressurization mechanism and the self-adaptive fixing mechanism are arranged, the remarkable beneficial effects are achieved, the labor-saving pressurization mechanism comprises an air chamber, a connecting lever, a first supporting arm, a second supporting arm and a piston connecting piece, force amplification during manual operation is achieved by means of the lever principle, and the labor-saving pressurization mechanism is fixed to the air chamber; an operator only needs small force to pull the first supporting arm, the piston connecting piece can be driven to compress air in the air chamber through linkage of the connecting lever and the second supporting arm, high-pressure air is formed, the high-pressure air is efficiently transmitted to the air bag strip through the conveying pipe, the transmission pipe and the connector, and the air bag strip is made to rapidly expand and apply uniform pressure to a brachial artery puncture point.

The present application discloses a user classification method and device for a blood pressure measuring device, which belongs to the field of computer technology. The method comprises: obtaining a pressure signal and a piezoelectric signal collected by the blood pressure measuring device during the blood pressure measurement process of the current user; performing signal processing on the pressure signal and the piezoelectric signal to obtain a sequence of signal features corresponding to each brachial artery pulsation; performing feature extraction on the sequence through a pre-trained feature extraction network to obtain the current blood pressure feature; and determining whether the current user is a designated registered user or a guest user based on the current blood pressure feature and the registered blood pressure feature of the registered user of the blood pressure measuring device. The present method realizes the distinction between different measured persons based on blood pressure features, thereby achieving the non-interference of the blood pressure data of the measured persons, and the unlimited number of registered users. The blood pressure measuring device using the present method does not need to manually switch users when performing blood pressure measurement, and the operation is more convenient.

The utility model belongs to the technical field of medical instruments, and particularly relates to a brachial artery compression fixing hemostat which comprises a hemostat body, the hemostat body is composed of a first clamping plate, a second clamping plate and a compression air bag, the first clamping plate is composed of a first plate body and a second plate body, and the first plate body is rotationally connected with the second plate body. The first splint is provided with a compression air bag, a bandage and a mounting box, the first splint and the second splint are both provided with anti-skid rubber pads, the second splint is composed of a main plate body and two auxiliary plate bodies, the two ends of the main plate body are rotationally connected with one ends of the two auxiliary plate bodies respectively, the auxiliary plate bodies are provided with fixing frames, and the fixing frames are fixedly connected with the first splint and the second splint. When the fixing device is used, compression hemostasis and automatic inflation and deflation can be conducted on brachial artery puncture points of a patient, meanwhile, movement of elbow joints of the patient can be limited, displacement of compression points can be prevented, the workload of medical workers can be effectively reduced, and the hemostasis effect can be effectively guaranteed.

The invention discloses an adjustable brachial artery puncture point compressor for fixing the elbow, which comprises an elbow fixing ring, an upper arm fixing ring, a lower arm fixing ring and a visual compressor, the fixing rings are connected through a telescopic connecting rod, and the distance can be adjusted according to the arm length of a patient. The visual compressor is provided with a compression positioning ring, a retraction sleeve, a puncture fixing ring and a visual positioning ring, and precise positioning and controllable compression of brachial artery puncture points are achieved in combination with a magnifying lens and a light supplementing lamp set. The upper arm fixing ring and the lower arm fixing ring are matched with a fixing bandage and an air bag structure to stably support the arm, meanwhile, the elbow fixing ring holds the elbow to stretch, and a puncture point is prevented from moving. The puncture fixing ring is provided with a needle head clamping groove, a puncture needle can be fixed, and it is ensured that the puncture direction is stable. Through the structure, the operation precision and safety of brachial artery puncture can be remarkably improved, the occurrence rate of bleeding and hematoma at a puncture point is reduced, and the brachial artery puncture needle has good clinical application prospects.

The present application relates to the field of medical auxiliary equipment and provides an arterial blood sampling auxiliary device, comprising a fixed portion and a light-emitting portion. The light-emitting portion is provided with a light-emitting body capable of generating light of a certain intensity in a certain direction. The light-emitting portion is mounted on the fixed portion in a manner that is rotatable relative to the fixed portion, so that the illumination direction of the light-emitting portion can be adjusted. At least two light-emitting portions are provided, and by adjusting the illumination direction of the light-emitting portion, different light-emitting portions can illuminate the same position. For different patients and different blood sampling locations, the illumination direction of the light-emitting portion can be adjusted so that more light is distributed near the artery, making the shadow of the artery more obvious. The use of multiple light-emitting portions can not only generate greater light intensity, but also enable the detection of deeper arteries. It is particularly suitable for use in people who have difficulty locating arteries due to excessive body fat, and can be used for arterial blood sampling in different locations such as the radial artery, brachial artery, and even femoral artery.

A system and method provide real-time detection of return of spontaneous circulation (ROSC) during cardiac arrest using at least one Doppler ultrasound patch with a pulsed-wave or continuous wave ultrasound transducer that emits an ultrasound beam into a subject's skin over a carotid, femoral, or brachial artery and receives at least one Doppler return signal indicative of blood flow. A fixation mechanism secures the transducer in a fixed position relative to the carotid, femoral, brachial artery, and a wired or wireless communication interface transmits the Doppler return signal to a processing unit. The processing unit receives and analyzes the Doppler return signal using a Doppler-Integrated Cardiac Arrest Flow Analysis (DICAF) algorithm, which uses a machine learning model trained on annotated Doppler waveform datasets to detect a first blood flow pattern generated by chest compressions and a second blood flow pattern generated by intrinsic cardiac activity. The system determines ROSC in real time and generates an alert for the user. The system can also monitor the quality of blood flow generated by chest compressions to guide cardiopulmonary resuscitation.

The utility model discloses an arteriopuncture tourniquet which comprises an elastic band and a hemostasis block, a first bonding face is arranged at the front end of the surface of the elastic band, a second bonding face used for being connected with the first bonding face in an attached mode is arranged at the rear end of the back face of the elastic band, a bonding layer is arranged on the surface of the hemostasis block, and a hemostasis layer is arranged on the surface of the bonding layer. A buffer layer is further arranged between the hemostasis layer and the hemostasis block, a first bonding part is arranged at the rear end of the surface of the elastic band, a second bonding part is arranged on the back face of the hemostasis block, and the elastic band is connected to the hemostasis block through attachment of the first bonding part and the second bonding part. The hemostasis block is attached to a puncture point, the rapid and continuous hemostasis effect is achieved, the puncture part is stably pressed through the fastening effect of the elastic band on the hemostasis block, and bleeding and hematoma are effectively prevented from being formed. The device is suitable for hemostasis and compression after puncture operation of radial artery, femoral artery and brachial artery clinically.

The present disclosure discloses a blood pressure measurement device with a Korotkoff sounds recognition and playback function, and a method thereof. The blood pressure measurement device includes an air pressure sensor, a vibration sensor and a control module; the air pressure sensor being configured to collect pressure analog signals; the vibration sensor being configured to collect brachial artery pulse signals; and the control module being configured to control the air pressure inside the air bladder and recognize Korotkoff sounds in the brachial artery pulse signals, and to obtain systolic pressure data and diastolic pressure data according to the Korotkoff sounds and the air pressure; the control module being further configured to respond to a playback operation to play back an air bladder pressure deflation process and a process from the appearance to the disappearance of the Korotkoff sounds, and display blood pressure values

The invention belongs to the technical field of blood pressure monitoring, and particularly relates to intelligent blood pressure monitoring equipment for elderly patients, which comprises a supporting clamping seat, a lifting seat is slidably arranged on the side wall of the supporting clamping seat, the lifting seat can move up and down on the side wall of the supporting clamping seat, and a mounting seat is mounted on the side of the supporting clamping seat through a connecting support. A blood pressure monitor is arranged below the mounting base, the blood pressure monitor is composed of a first clamping plate, a second clamping plate, a bandage and a monitoring panel, the first clamping plate and the second clamping plate are rotationally arranged below the blood pressure monitor, and the first clamping plate and the second clamping plate are used for clamping the brachial artery of the upper arm of the elderly patient; the binding band is used for binding the brachial artery of the upper arm of the elderly patient and achieving blood pressure monitoring treatment, when the lifting seat moves upwards, the arm of the elderly patient can be automatically supported, the second clamping plate is opened, and the brachial artery of the upper arm of the elderly patient is automatically clamped.

The present application relates to the technical field of medical equipment, and especially relates to a new-born baby brachial artery blood sampling auxiliary device, which comprises a bed body, a mattress arranged on the bed body, arm fixing mechanisms arranged on both sides of the head end of the bed body, and a liquid circulating mechanism arranged on the bed body and the mattress and used for simulating a white noise environment and vibrating to pacify a new-born baby. The arm fixing mechanisms can realize adjustment of horizontal orientation deflection angle and vertical orientation pitch angle. The arm fixing mechanisms arranged on both sides of the bed body can not only fix the arms of the new-born baby during blood sampling, but also adjust the posture of the arms according to the angle required by blood sampling. The liquid circulating mechanism arranged on the bed body and the mattress can simulate a white noise environment and vibrate to pacify the new-born baby, thereby pacifying the emotion of the new-born baby and solving the technical problem that the new-born baby is frightened and cries during blood sampling, which affects brachial artery blood sampling.

The utility model provides an upper limb fixator, and belongs to the technical field of sickbed auxiliary devices. Comprising a limiting supporting pad, an abutting mechanism is arranged on one side of the limiting supporting pad and used for abutting against the body of a patient, an adjusting mechanism is arranged between the limiting supporting pad and the abutting mechanism and used for adjusting the distance between the limiting supporting pad and the abutting mechanism, and a supporting groove is formed in the top end of the limiting supporting pad. Through the adjusting mechanism arranged between the limiting supporting cushion and the abutting mechanism, the distance between the limiting supporting cushion and the abutting mechanism can be adjusted according to requirements, then the distance between the limiting supporting cushion and the body of a patient is changed, and the situation that the body and arms of the patient move to abut against each other and make contact with each other, and consequently the affected part is secondarily injured is avoided; by means of the binding groove formed in the top end of the limiting supporting pad, a bandage used for binding can be conveniently placed, and then after brachial artery puncture is completed, the bandage is used for binding and fixing the wound of the brachial artery.

The utility model provides a novel brachial artery fixing component which comprises a fixing supporting plate and a fixing belt, the fixing belt is connected with the bottom face of the fixing supporting plate, the fixing plate comprises a middle layer and an outer layer, the outer layer is made of skin-friendly materials, the inner layer comprises a fixing plate body and a reinforcing piece, and the fixing plate body is made of carbon fiber materials. According to the fixing assembly, the fixing plate is made of light materials such as a carbon fiber plate, under the condition that it is guaranteed that the arms of a patient are fixed, more comfortable feedback force is provided for the patient, and acrylic or a steel plate serves as a reinforcing piece to provide more stable supporting; a unique locking structure is convenient for doctors to observe and patients to operate; the arm of a patient can be effectively fixed, stimulation to a puncture point is reduced, and the occurrence risk of complications is reduced; binding and fixing are carried out through the multiple fixing bands, the working efficiency of medical workers can be improved, and doctors can conveniently observe puncture points and find and handle problems in time. The patient experience can be improved, the activity limitation is reduced, and the comfort of the patient is improved.

The invention relates to the field of hemostasis facilities, in particular to a cardiology hemostasis compressor which comprises a sleeve shell, the lower portion of the front end of the sleeve shell extends to form a toggle jacking plate, expansion columns are fixedly installed on the two sides of the sleeve shell, the edge of the front end of one of the expansion columns extends to form a second upper arm clamp, and a first upper arm clamp is arranged above the second upper arm clamp. A first upper arm clamp extends from the edge of the front end of one expansion column, a second front arm clamp extends from the edge of the front end of the other expansion column, a first front arm clamp is arranged above the second front arm clamp, a T-shaped insertion column is inserted into the sleeve shell, and the first upper arm clamp and the first front arm clamp are connected with the T-shaped insertion column. The hemostasis effect is improved, compression hemostasis can be conducted on puncture points on the radial artery and the brachial artery at the same time, the use requirement is effectively met, and meanwhile use is convenient.

The application discloses a brachial artery presser for clinical treatment of cardiovascular medicine, which comprises a supporting mechanism, an inflation mechanism, a control mechanism and a lifting mechanism, the inflation mechanism is installed above the supporting mechanism, the control mechanism is arranged at the front of the inflation mechanism, and the lifting mechanism is arranged at the front of the control mechanism. By arranging the extrusion mechanism, when the fixing ring is disassembled, the second threaded rod is rotated forward, the second threaded rod drives the stop lever to move, the stop lever moves to be inserted into the fixed pipe, at this time, the air inlet pipe is in a closed state, the fixing bolt is reversely rotated, the bushing is dismounted from the air inlet pipe, and thus the dismounting of the air inlet pipe is completed, at this time, the fixing ring, the air bag and the air inlet pipe are in a movable state, the air bag can continue to extrude the bleeding mouth of the patient, and thus the patient can move in a large range, and the use effect of the device is effectively improved.

Embodiments of the present application provide a pulse wave conduction velocity measurement method and device based on an upper arm sphygmomanometer, electronic equipment and storage medium. The method is applied to an upper arm sphygmomanometer provided with a cuff, an electrocardio signal acquisition component and a Korotkoff sound signal acquisition component. The method comprises: after the air bag of the cuff worn on the upper arm of a user is inflated to compress the brachial artery to be closed, acquiring the electrocardio signal collected by the electrocardio signal acquisition component and the Korotkoff sound signal collected by the Korotkoff sound signal acquisition component; analyzing the electrocardio signal of a specified heartbeat cycle to acquire the peak position of the R wave in each heartbeat cycle; analyzing the Korotkoff sound signal based on the peak position to determine the arrival time of the Korotkoff sound signal in each heartbeat cycle; and calculating the pulse wave conduction velocity based on the difference between the arrival time of the Korotkoff sound signal and the peak position of the R wave. The method improves the measurement accuracy of the pulse wave conduction velocity.

The utility model discloses a kind of pneumatic-tyre type brachial artery hemostasis compressor, comprising: air cushion, it is rectangular structure when flattening, for covering the upper arm and lower arm area of patient's arm, and the middle area of air cushion is equipped with compression part corresponding brachial artery position;Connecting belt, along the circumferential direction of air cushion, is fixed to the side edge of air cushion;Pressing air bag, communicate with air cushion by air pipe, for inflating into air cushion to make compression part extrude brachial artery;Pressure gauge, set on air cushion surface, for real-time monitoring air cushion internal pressure;Air valve, set between air pipe and pressing air bag, for control after inflating air cushion pressure retention;Wherein, after inflating air cushion is compressed brachial artery by upper and lower arm covering, and connecting belt is fixed after circumferential circumferential around of arm, limit elbow joint bending.The utility model can avoid elbow joint bending, make arm keep fixed posture, compression part accurate corresponding brachial artery point when inflating.