CN-121987243-A - Blood pressure detection device with blood vessel positioning function and blood vessel positioning method

CN121987243ACN 121987243 ACN121987243 ACN 121987243ACN-121987243-A

Abstract

A blood pressure detection device with a blood vessel positioning function and a blood vessel positioning method comprise an ultrasonic blood pressure detection cuff and a detection main module, and belong to the technical field of medical detection equipment. The ultrasonic blood pressure detection cuff comprises a cuff main body, an air bag and a Doppler blood flow detection module, wherein the Doppler blood flow detection module comprises a position adjustment module and an ultrasonic sensor, the track direction of the position adjustment module is consistent with the winding direction of the cuff, and the accurate positioning of the sensor can be realized. The device detects blood flow signals through Doppler ultrasonic technology, and can measure blood pressure more accurately by combining the air sac pressurization and depressurization process. Can be widely applied to the scenes of family medical treatment, clinical diagnosis, ICU, operating room and the like.

Inventors

TAO BO
BAO HEYU
LUO YONGLUN
HUANG ZUCHENG
PENG HAIFENG
HUANG SHUNING

Assignees

深圳市华智康电子有限公司

Dates

Publication Date: 20260508
Application Date: 20260323

Claims (10)

1.A blood pressure detection device with blood vessel positioning function is characterized in that, The ultrasonic blood pressure detection cuff comprises a cuff main body, an air bag and a Doppler blood flow detection module; The Doppler blood flow detection module comprises a position adjustment module and an ultrasonic sensor, wherein the position adjustment module comprises a track and a sliding platform, the sliding platform can slide along the track, the ultrasonic sensor is fixed on the sliding platform, the extending direction of the track is consistent with the winding direction of the air bag cuff, and the sliding direction of the sliding platform is consistent with the winding direction of the air bag cuff in a use state; The main detection module comprises a blood pressure detection module, a control module and a Doppler blood flow detection module; The detection main module comprises an electric signal interface which is in electric signal communication with the ultrasonic sensor through an electric signal wire, an air guide interface which is in communication with the air bag through an air pipe, and a blood pressure detection module which comprises an air pump, an air valve and an air pressure sensor, wherein the air pump, the air valve, the air pressure sensor and the air bag are in communication through the air pipe; The control module is in electrical signal communication with the air pressure sensing signal processing module; The Doppler blood flow detection module comprises an ultrasonic signal processing module and a position deviation analysis module, wherein the ultrasonic signal processing module acquires an electric signal converted by the ultrasonic sensor, the electric signal is converted from a received ultrasonic signal by a transducer of the sensor, and the module processes and analyzes the electric signal to acquire a Doppler signal generated by blood flowing in a blood vessel; And the position deviation analysis module analyzes the Doppler signals to obtain the relative position relation between the ultrasonic sensor and the blood vessel.
2. The blood pressure detecting device with blood vessel positioning function according to claim 1, wherein, The Doppler blood flow detection module comprises a position deviation indication module; The position deviation indication module comprises a voice prompt module; Or the position deviation indicating module comprises an LED lamp bead or a display module.
3. The blood pressure detecting device with blood vessel positioning function according to claim 1, wherein Comprising any one of the following features: TA10, an ultrasonic blood pressure detection cuff comprises a circuit board, wherein the circuit board is arranged on the A surface of the sliding platform and is communicated with an ultrasonic sensor through a wire; TA20, the ultrasonic blood pressure detection cuff also comprises a rail bracket, wherein the rail comprises two sliding rails, the rail bracket comprises 4 mounting support posts and a support plate, the middle of the support plate is hollowed out, the 4 mounting support posts are positioned at the edge positions of the support plate, the support plate is arranged on the cuff main body, and two ends of the rail are respectively connected with the two mounting support posts; TA30, the sliding platform of the ultrasonic blood pressure detection cuff comprises a through hole, one end of an ultrasonic sensor is arranged on the circuit board, and the other end of the ultrasonic sensor penetrates through the through hole; TA40, the cuff main body of the ultrasonic blood pressure detection cuff comprises a Doppler blood flow detection module installation part and an air bag installation part, wherein the Doppler blood flow detection module installation part is not overlapped with the air bag installation part, the Doppler blood flow detection module installation part comprises a hole, and one end of the ultrasonic sensor is contacted with the detection part through the hole; The TA50 ultrasonic blood pressure detection cuff also comprises an air duct, an electric signal wire and an electric signal wire, wherein one end of the air duct is communicated with the air bag, and the other end of the air duct is communicated with the external detection device; TA60 the ultrasonic blood pressure detection cuff also comprises a protective shell, wherein the protective shell covers the circuit board and the sliding platform; TA70, the ultrasonic blood pressure detection cuff also comprises an ultrasonic sensor and an A2 ultrasonic sensor, wherein the ultrasonic sensor and the A2 ultrasonic sensor are fixed on the sliding platform; TA80, the ultrasonic blood pressure detection cuff also comprises an A ultrasonic sensor, a B1 ultrasonic sensor and a B2 ultrasonic sensor, wherein the A ultrasonic sensor is arranged at the center vertical line position of the B1 ultrasonic sensor and the B2 ultrasonic sensor is connected with the line; TA90 ultrasonic blood pressure detection cuff still includes elastomeric element, ultrasonic sensor installs the one end of elastomeric element, and elastomeric element's the other end is installed on slide table.
4. The blood pressure detecting device with blood vessel positioning function according to claim 2, wherein Comprising any one of the following features: TB10, wherein the number of the LED lamp beads is 3, the positions of the LED lamp beads are arranged on the sliding platform, and the 3 LED lamp beads are the same in color; TB20, the LED lamp pearl has 3, and the position sets up on sliding platform, and the LED lamp pearl in the centre is different with other LED lamp pearls colour.
5. A blood vessel positioning method based on a blood pressure detection device is characterized in that: Based on the blood pressure detecting device according to any one of claims 1 to 4, The relative position relation between the ultrasonic sensor and the blood vessel is the distance between the ultrasonic sensor and the brachial artery; Comprises the steps of, A10, acquiring the distance D1 between an ultrasonic sensor and a brachial artery at the position L1 of the sliding platform by a position deviation analysis module; Step A20, a detection main module acquires a distance D1 between the ultrasonic sensor and a brachial artery according to the ultrasonic sensor, and judges whether the relative position between the ultrasonic sensor and a blood vessel is suitable or not, if the relative position between the ultrasonic sensor and the blood vessel is suitable, a prompt for normal blood pressure measurement is given, and the step A30 is entered; a30, detecting the main module to synchronously perform oscillometric blood pressure detection, detecting a blood flow signal of a brachial artery by the Doppler blood flow detection module, adjusting data obtained by oscillometric blood pressure detection according to the blood flow signal, and outputting an adjusted blood pressure value; And step A40, moving the sliding platform from the position L1 to the position L2.
6. The blood vessel positioning method based on a blood pressure detection device according to claim 5, wherein: Step A40 is followed by step A50, wherein the sliding platform is at a position L2, and the position deviation analysis module acquires the distance D2 between the ultrasonic sensor and the brachial artery; Step A60, a detection main module judges whether the distance D2 is suitable according to the distance D2 between the ultrasonic sensor and the brachial artery, if the distance D2 is suitable, a prompt for normal blood pressure measurement is given, the step A30 is entered, and if the distance D2 is unsuitable, a prompt for moving the sliding platform is given, and the step A40 is entered.
7. The blood vessel positioning method based on the blood pressure detection device according to claim 5, wherein: after step A60, if the distance D2 is not suitable, a prompt is given to move the sliding platform, and before proceeding to step A40, the method further comprises A70, a position deviation analysis module analyzes the relation between the distance D1 and the distance D2, judges whether the moving direction of the position L1 to the position L2 is correct, and gives a prompt whether the moving direction of the position L1 to the position L2 is correct; Step A80, if the moving direction of the L1 to the position L2 is correct, maintaining the original moving direction to enter the step A40, if the moving direction of the L1 to the position L2 is incorrect, entering the step A40 in the opposite direction of the original moving direction, and giving a prompt in a mode that the voice prompt module of the position deviation indication module plays voice if the moving direction is correct.
8. The blood vessel positioning method based on the blood pressure detection device according to claim 7, wherein: in the step A80, whether the moving direction is correct or not is indicated by a display module of the position deviation indication module, wherein the display module comprises a display screen, and the display screen is connected with an electric signal of the detection main module.
9. The blood vessel positioning method based on the blood pressure detection device according to claim 7, wherein: In the step A80, whether the moving direction is correct or not is indicated by the states of 3 LED lamp beads of the position deviation indication module.
10. The blood vessel positioning method based on the blood pressure detection device according to claim 5, wherein: in the step A20, whether the relative positions of the ultrasonic sensor and the blood vessel are suitable or not is indicated by the state of the LED lamp beads of the position deviation indication module.

Description

Blood pressure detection device with blood vessel positioning function and blood vessel positioning method Technical Field The invention relates to the technical field of medical detection equipment, in particular to a blood pressure detection cuff based on an ultrasonic technology and a Doppler ultrasonic blood pressure detection device comprising the cuff. Background Blood pressure is one of important physiological indexes of human bodies, and accurate measurement of blood pressure has important significance for disease diagnosis, disease monitoring and health assessment. At present, blood pressure measurement methods widely used in clinic and at home are mainly a Korotkoff sound method and an oscillometric method. The Korotkoff sound method monitors arterial pulsation sounds through a stethoscope to judge blood pressure values, is easily influenced by human factors, the measurement accuracy depends on experience of operators, the oscillography method calculates blood pressure by detecting cuff pressure oscillation waves, and when the elasticity of arteries of a tested person is poor, measurement errors are large. Doppler ultrasonic blood pressure detection measures blood pressure by utilizing the Doppler effect of ultrasonic waves, and the core is to determine the arterial opening time by detecting the change of blood flow velocity so as to determine the systolic pressure and the diastolic pressure. Doppler ultrasonic blood pressure detection is difficult to accurately adjust the arterial position according to the arm thickness of different testees, and measurement result deviation is easily caused by inaccurate alignment of a sensor and an artery. In a home scene, how to judge whether the cuff position is correct or not and give an adjustment prompt is also a technical problem to be solved. Disclosure of Invention The technical scheme of the application overcomes the defects of the prior art, and aims to provide the ultrasonic blood pressure detection cuff and the detection main module, which can accurately adjust the relative positions of the ultrasonic sensor and the blood vessel and improve the blood pressure measurement precision. The invention provides a blood pressure detection device with a blood vessel positioning function, which comprises an ultrasonic blood pressure detection cuff and a detection main module; the ultrasonic blood pressure detection cuff comprises a cuff body, an air bag and a Doppler blood flow detection module; the air bag is arranged in the cuff main body, the Doppler blood flow detection module is arranged on the cuff main body, the Doppler blood flow detection module comprises a position adjustment module and an ultrasonic sensor, the position adjustment module comprises a track and a sliding platform, the sliding platform can slide along the track, the ultrasonic sensor is fixed on the sliding platform, the extending direction of the track is consistent with the winding direction of the cuff of the air bag, the sliding direction of the sliding platform is consistent with the winding direction of the cuff of the air bag in a use state, the detection main module comprises a blood pressure detection module and a control module, the Doppler blood flow detection module comprises an electric signal interface, the electric signal interface is in electric signal communication with the ultrasonic sensor through an electric signal wire, the detection main module comprises an air guide interface, the air guide interface is in electric signal communication with the air bag through an air pipe, the blood pressure detection module comprises an air pump, an air valve and an air pressure sensor, the air pump and the air pressure sensor are in electric signal communication through the air pipe, the control module is in electric signal communication with the air valve, the control module is in electric signal communication with the air pump, the Doppler blood flow detection module comprises a signal processing module, the position deviation signal processing module acquires an electric signal, the ultrasonic sensor is converted by the ultrasonic sensor, and the ultrasonic sensor is converted by the ultrasonic sensor to perform special analysis, and the position deviation analysis module analyzes the Doppler signals to obtain the relative position relation between the ultrasonic sensor and the blood vessel. The technical effect ‌ is that through the arrangement of the track and the sliding platform, the position of the ultrasonic sensor relative to the detected target blood vessel can be manually or automatically finely adjusted under the condition that the blood pressure cuff is bound on the arm of the user, so that the ultrasonic sensor is accurately aligned to the blood vessel, the signal quality and the measurement precision are improved, and the position deviation analysis module can detect whether the position is correct. Avoiding re-binding the cuff and directly adjusting the positio