CN111904398A - Radial artery detection device and detection method thereof - Google Patents
Radial artery detection device and detection method thereof Download PDFInfo
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- CN111904398A CN111904398A CN202010901667.4A CN202010901667A CN111904398A CN 111904398 A CN111904398 A CN 111904398A CN 202010901667 A CN202010901667 A CN 202010901667A CN 111904398 A CN111904398 A CN 111904398A
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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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
- A61B5/02007—Evaluating blood vessel condition, e.g. elasticity, compliance
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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
- A61B5/70—Means for positioning the patient in relation to the detecting, measuring or recording means
- A61B5/702—Posture restraints
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Abstract
A radial artery detection device and a detection method thereof are provided, the radial artery detection device comprises: the pulse wave sensing device is arranged on the surface of the skin at the radial artery and comprises a first connecting body and a pulse wave detection sensor arranged in the first connecting body; the pressure balancing device comprises a second connecting body and a balancer arranged on the second connecting body, the second connecting body is connected with the first connecting body of the pulse wave sensing device, and the balancer withstands the pulse wave detection sensor and is used for providing preset pressure for the pulse wave sensing device. The invention also comprises a radial artery detection method. On one hand, the invention can detect for a long time, and has high stability and reliability; on the other hand, the sensitivity of the sensor can be greatly improved, and a more real and more accurate waveform is restored, so that a doctor can master the state of a patient more accurately.
Description
Technical Field
The invention relates to the technical field of radial artery detection, in particular to a radial artery detection device and a radial artery detection method.
Background
The extraction of physiological and pathological information of human body from pulse wave is the basis for clinical diagnosis and treatment, and has been paid attention by the medical field. The comprehensive information of the form, the intensity, the speed and the like presented by the pulse wave reflects the blood flow characteristics of a plurality of physiological pathologies in the human cardiovascular system to a great extent. These pulse waves can be detected through superficial arteries of the human body, such as the carotid artery, brachial artery, radial artery, and the like. Wherein, because the radial artery is close to the peripheral blood vessel of the body surface, the information is especially abundant, detect also most convenient.
The existing radial artery detection device is generally in a clip type structure, the detection device is clipped at the radial artery of the wrist of a human body, although the structure is convenient to install, the structure is unstable, pulse waves cannot be detected when the wrist moves slightly, and the structure is not suitable for long-time detection. Still some radial artery detection devices are electrodynamic type self-adaptation detection device, and detection device looks for the position of radial artery automatically and fixes, but this kind of mode location time is longer, and it is difficult to stand the horse to detect if the pulse beat is weak, takes longer time to look for the position of radial artery. In addition, the conventional radial artery detection sensor cannot obtain a real waveform, that is, the sensor is influenced by the force of skin tissue while detecting the distance change of pulse beat, and although the sensor can detect the waveform, the sensor cannot detect the real waveform, so that the accuracy is poor.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a radial artery detection device and a radial artery detection method with high stability, high sensitivity and high accuracy.
The technical scheme of the invention is as follows:
one of the radial artery detection devices of the present invention comprises:
the pulse wave sensing device is arranged on the surface of the skin at the radial artery and comprises a first connecting body and a pulse wave detection sensor arranged in the first connecting body;
the pressure balancing device comprises a second connecting body and a balancer arranged on the second connecting body, the second connecting body is connected with the first connecting body of the pulse wave sensing device, and the balancer withstands the pulse wave detection sensor and is used for providing preset pressure for the pulse wave sensing device.
Further, the balancer comprises a seat body, a prestress part and a jacking head, wherein the seat body is fixed on the second connecting body, and the prestress device and the jacking head are arranged on the seat body and are used for jacking the pulse wave detection sensor.
Further, the prestress part is a spring, a compression air bag or an electric control force applying device.
Further, the second connector is a circuit board, the seat body of the balancer penetrates through the circuit board, and one end of the plug is arranged in the seat body.
Furthermore, first connector is including locating bottom casing and the middle part casing on radial artery top skin surface, bottom casing and middle part casing detachable connection.
Furthermore, a pulse wave detection sensor is arranged in the middle shell, and the second connecting body is connected with the middle shell, so that a balancer on the second connecting body is propped against the pulse wave detection sensor; and a cover body is arranged above the second connector to form an integral packaging structure.
Furthermore, through holes for penetrating through the pulse wave detection sensor probe are formed in the bottom shell and the middle shell.
Further, the bottom surface of the bottom shell is provided with an adhesive part.
The wrist fixing device comprises a supporting plate and a connecting part, the supporting plate is attached to the back surfaces of the hand and the wrist, and the connecting part is used for fixing the supporting plate with the hand and the wrist; the pulse wave sensing device is connected with the wrist fixing device.
Further, the shape of the supporting plate is matched with the shape of the hand and the wrist of the human body.
The invention relates to a radial artery detection method, which comprises the following steps:
s1: fixing the wrist fixing device on the back of the hand and the wrist with the front of the wrist facing upwards;
s2: the pulse position of the radial artery is locked through a through hole in the bottom shell of the first connecting body, the bottom shell is adhered to the surface of the skin at the radial artery, and then the integral structure formed by the middle shell and the cover body is connected to the bottom shell, so that the probe of the pulse wave detection sensor penetrates through the through hole in the bottom shell to be in contact with the skin at the pulse position, and the balancer constantly supports against the pulse wave detection sensor;
s3: the pulse wave at the radial artery is detected in real time by the pulse wave detection sensor and transmitted to the display device for display.
Further, the balancer provides a predetermined pressure for the pulse wave sensing device, and the acting force is opposite to the detecting force direction of the pulse wave sensing device.
The invention has the beneficial effects that:
1. the stability is high: through wrist fixing device with hand and wrist fixed firm, the bonding portion on the rethread bottom casing is fixed, can improve the fastness greatly, even the person of measurationing appears the body movement, also can keep pulse wave detection sensor's probe not skew pulse position, keeps the stability that pulse wave detected, and the long-time measuring of specially adapted person of measurationing can be moved at will, keeps the travelling comfort.
2. The sensitivity is high: withhold pulse wave detection sensor through setting up the balancer, provide predetermined pressure for pulse wave detection sensor, improve the sensitivity of sensor greatly, can restore out true, more accurate waveform, and then make the doctor grasp more accurately to patient's state.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
fig. 2 is a schematic diagram of a split structure of the pulse wave sensing device and the constant pressure device according to the embodiment of the invention.
The attached drawings indicate the following:
1. a pulse wave sensing device; 2. a wrist fixing device; 3. a balancer; 4. a second connector; 5. a cover body; 11. pulse wave detection sensing; 12. a bottom housing; 13. a middle housing; 14. a through hole; 21. a support plate; 22. binding bands; 31. ejecting the head; 32. a base body; 111. an induction sheet; 112. a probe.
Detailed Description
The invention will be described in further detail below with reference to the drawings and specific examples.
As shown in fig. 1 and 2: a radial artery detection device comprises a pulse wave sensing device 1, a wrist fixing device 2 and a constant pressure device.
In this embodiment, the wrist fixing device 2 includes a support plate 21 and a connecting portion, the support plate 21 is attached to the back of the hand and the wrist, and the connecting portion is used to fix the support plate to the hand and the wrist.
Specifically, the supporting plate 21 has an arc-shaped structure, and can cover at least the back surfaces of the hand back and the wrist joint and match with the back surfaces of the hand back and the wrist joint to improve the wearing comfort. The connecting portion includes straps 22 at least at the upper and lower portions of the support plate, and the straps may be fastened by snap-fit or other means to secure the support plate to the hand and wrist. For example, the upper portion and the lower part of layer board are equipped with the bandage, and the back of layer board lies in that the bandage is binded corresponding position and is equipped with magic subsides or bandage and perforates, if set up the magic subsides, then also be equipped with the magic subsides on the bandage, and the magic subsides on the bandage of upper portion are pasted and are pasted on the magic subsides at the layer board back, realize the fixed of hand, and the magic subsides on the bandage of lower part are pasted and are pasted on the magic subsides at the layer board back. If the bandage perforation is arranged, the bandage can be fixed by penetrating the bandage perforation. Thus, even if the subject moves, the stability of pulse wave detection can be maintained.
The support plate 21 comprises a two-layer structure, the bottom surface is made of hard materials, and the lining is made of flexible materials, so that the comfort is improved when the skin of the hand and the wrist is in contact with the lining of the support plate.
In this embodiment, the pulse wave sensing device 1 is disposed on the skin surface of the radial artery, and includes a first connecting body and a pulse wave detecting sensor 11 disposed in the first connecting body.
Specifically, the first connector includes a bottom housing 12 and a middle housing 13 disposed on the skin surface above the radial artery, and the bottom housing 12 is detachably connected to the middle housing 13. The bottom shell and the middle shell are both provided with through holes 14 for passing through the pulse wave detection sensor probe. The present embodiment is configured to be detachable so as to be able to accurately locate the pulse position of the radial artery. The pulse position is accurately locked through the through hole 14 of the bottom shell 12, then the bottom shell 12 is fixed, and then other shells are connected with the bottom shell 12, if the whole body is directly connected to the radial artery, the pulse position is not easy to be accurately positioned, because the through hole 14 is occupied by the probe of the pulse wave detection sensor, once the position is fixed incorrectly, the through hole needs to be detached and searched again, and the time is greatly wasted.
The surface of the bottom housing 12 that contacts the skin is curved, i.e., the middle portion is gentle and the two end portions are bent to be as close to the wrist as possible. The bottom shell 12 is provided with a bonding part, the outer surface of the bonding part is provided with a protective layer, and the bottom shell is bonded at the skin position by tearing off the protective layer.
The middle shell 13 and the bottom shell 12 are connected in a plug-in manner, so that the middle shell and the bottom shell are convenient to disassemble and assemble quickly. The middle shell 13 is provided with a cavity for installing the pulse wave detection sensor 11, and the probe 112 of the pulse wave detection sensor 11 extends out along the through hole 14 of the middle shell, passes through the through hole 14 of the bottom shell and contacts with the pulse of the radial artery.
In this embodiment, the pressure-balancing device includes a second connecting body 4 and a balancer 3 disposed on the second connecting body 4, the second connecting body 4 is connected to the first connecting body of the pulse wave sensing device 11, and the balancer 3 abuts against the pulse wave detection sensor 11, so as to provide a predetermined pressure to the pulse wave sensing device.
Specifically, the second connector 4 is a circuit board, the balancer 3 includes a plug 31, a pre-stress part and a seat body 32, the seat body 32 is fixed on the second connector and penetrates through the second connector, one end of the plug is arranged in the seat body, and the other end of the plug is against the pulse wave detection sensor; the prestress device is arranged in the seat body and is positioned between the ejector and the seat body. Preferably, the prestressing device is a spring, a compression air bag or an electrically controlled force applying device, for example, a spring is arranged in a seat body of the balancer to apply certain force to the top head of the lower part. The pulse wave detection sensor comprises a sensing piece 111 and a probe 112 arranged on the sensing piece, the sensing piece 111 is connected with the circuit board to facilitate signal transmission, and the top head 31 is used for supporting the probe part.
A cover body 5 is arranged above the second connecting body, so that the seat body of the balancer is pressed by the cover body 5, and the top head is pressed against the pulse wave detection sensor 11 under the elastic action of the prestress part.
In this embodiment, when lid 5 and middle part casing 13, bottom casing 12 makes up, middle part casing 13 is connected fixedly with bottom casing 12, lid 5 is connected fixedly with middle part casing 13, make the three form a whole, and the constant pressure device, second connector and pulse wave detection sensor then encapsulate in the middle part casing, and the lid is through pushing down the pedestal, make the top can withstand the probe of pulse wave detection sensor, apply predetermined pressure for the probe of pulse wave detection sensor, make pulse wave detection sensor no matter be doing the detection, all receive the top and apply for its effort. In addition, the middle shell or the bottom shell is also provided with a bandage 22, and the middle part of the back surface of the supporting plate of the wrist fixing device is provided with a magic tape or a bandage through hole, so that the whole detecting device is fixed on the supporting plate, and the position of the detecting device relative to the radial artery can be kept unchanged even if a human body generates body movement.
In this embodiment, the pulse wave detection sensor 11 is a strain type pressure sensor, and can detect the pulse wave in real time, and transmit the detected pulse wave to the display device through the circuit board to display, so that the doctor can master the state of the patient at any time.
The detection method of the embodiment comprises the following steps:
s101, fixing the wrist fixing device on the back surfaces of the hand and the wrist with the front surface of the wrist facing upwards.
Specifically, with the inside lining laminating of hand and wrist back and layer board to the bandage of walking around hand and wrist respectively with layer board upper portion and lower part comes to bond fixedly with the magic subsides of layer board back, makes on the firm layer board that is fixed in of hand and wrist, and the wrist openly up, in order to expose radial artery, is convenient for place detection device.
S102: the pulse position of the radial artery is locked through the through hole in the first connector bottom shell, the bottom shell is adhered to the surface of the skin at the radial artery, then the integral structure formed by the middle shell and the cover body is connected to the bottom shell, the probe of the pulse wave detection sensor penetrates through the through hole in the bottom shell to be in contact with the skin at the pulse position, and the balancer is propped against the pulse wave detection sensor at all times.
Specifically, the bottom shell is separated from the middle shell and the cover body, the middle shell and the cover body are connected into an integral structure, the pulse position of the radial artery is locked through the through hole in the bottom shell, then the protective layer on the bottom shell is torn off, the bonding part is bonded to the skin, and then the integral structure formed by the middle shell and the cover body is installed on the bottom shell. At the moment, the probe of the pulse wave detection sensor penetrates through the bottom shell to be directly contacted with the pulse wave for detection, and the balancer always supports against the probe of the pulse wave detection sensor to apply preset pressure to the pulse wave detection sensor.
The balancer of the embodiment has the following functions: the recovered pulse waveform can be more real and accurate. For example: the force change of the pulse is 1g, but to detect that the pulse beat has distance change, 100g of force is applied to overcome the force of skin tissues, if a balancer is not used for balancing the static force of the radial artery, a sensor of 100g is needed, and only a pulse wave detection sensor of 1g is needed by adopting the balancer. The resolution of the 100g sensor is higher than that of the 1g sensor, although the sensor can detect the waveform, the real waveform cannot be obtained, and the sensitivity of the sensor is greatly improved by arranging the balancer, so that the more real and accurate waveform can be restored, and a doctor can master the state of a patient more accurately.
S103: the pulse wave at the radial artery is detected in real time by the pulse wave detection sensor and transmitted to the display device for display.
The pulse wave signal that this embodiment detected in real time through pulse wave detection sensor can transmit for display device through the control unit on the circuit board and show, and display device can be computer or other display equipment, and like this, the doctor can master patient's state of an illness at any time according to the wave form on the display device.
In conclusion, on one hand, the invention can detect for a long time, and has high stability and reliability; on the other hand, the sensitivity of the sensor can be greatly improved, and a more real and more accurate waveform is restored, so that a doctor can master the state of a patient more accurately.
Claims (10)
1. A radial artery detection device, comprising:
the pulse wave sensing device is arranged on the surface of the skin at the radial artery and comprises a first connecting body and a pulse wave detection sensor arranged in the first connecting body;
the pressure balancing device comprises a second connecting body and a balancer arranged on the second connecting body, the second connecting body is connected with the first connecting body of the pulse wave sensing device, and the balancer withstands the pulse wave detection sensor and is used for providing preset pressure for the pulse wave sensing device.
2. The radial artery detection device of claim 1, wherein the balancer comprises a seat body, a pre-stress portion and a tip, the seat body is fixed on the second connecting body, and the pre-stress portion and the tip are disposed on the seat body and are abutted against the pulse wave detection sensor; or the prestressed part is a spring, a compression air bag or an electric control force application device.
3. The radial artery detection device of claim 2, wherein the second connector is a circuit board, the seat of the balancer passes through the circuit board, and one end of the plug is disposed in the seat.
4. The radial artery detection device of claim 1, 2 or 3, wherein the first connector comprises a bottom housing and a middle housing disposed on the skin surface above the radial artery, and the bottom housing is detachably connected to the middle housing.
5. The radial artery detection device of claim 4, wherein a pulse wave detection sensor is disposed in the middle housing, and the second connecting body is connected to the middle housing such that the balancer on the second connecting body abuts against the pulse wave detection sensor; and a cover body is arranged above the second connector to form an integral packaging structure.
6. The radial artery detection device of claim 4, wherein the bottom housing and the middle housing are provided with through holes for passing through the pulse wave detection sensor probe.
7. The radial artery detection device of claim 4, wherein the bottom surface of the bottom housing is provided with an adhesive portion.
8. The radial artery detection device of claim 1, 2 or 3, further comprising a wrist fixation device, wherein the wrist fixation device comprises a support plate and a connecting portion, the support plate fits against the back of the hand and the wrist, and the connecting portion is used for fixing the support plate with the hand and the wrist; the pulse wave sensing device is connected with the wrist fixing device.
9. The radial artery detection device of claim 8, wherein the shape of said support plate is adapted to the shape of a human hand and wrist.
10. A method for radial artery detection, comprising the steps of:
s1: fixing the wrist fixing device on the back of the hand and the wrist with the front of the wrist facing upwards;
s2: the pulse position of the radial artery is locked through a through hole in the bottom shell of the first connecting body, the bottom shell is adhered to the surface of the skin at the radial artery, and then the integral structure formed by the middle shell and the cover body is connected to the bottom shell, so that the probe of the pulse wave detection sensor penetrates through the through hole in the bottom shell to be in contact with the skin at the pulse position, and the balancer constantly supports against the pulse wave detection sensor;
s3: the pulse wave at the radial artery is detected in real time by the pulse wave detection sensor and transmitted to the display device for display.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010901667.4A CN111904398A (en) | 2020-09-01 | 2020-09-01 | Radial artery detection device and detection method thereof |
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| CN202010901667.4A CN111904398A (en) | 2020-09-01 | 2020-09-01 | Radial artery detection device and detection method thereof |
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