CN205198073U - Sufficient expansion appearance of shallow vein blood vessel of limbs - Google Patents
Sufficient expansion appearance of shallow vein blood vessel of limbs Download PDFInfo
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- CN205198073U CN205198073U CN201520929769.1U CN201520929769U CN205198073U CN 205198073 U CN205198073 U CN 205198073U CN 201520929769 U CN201520929769 U CN 201520929769U CN 205198073 U CN205198073 U CN 205198073U
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- 210000003462 vein Anatomy 0.000 title claims abstract description 53
- 230000010355 oscillation Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 18
- 230000000740 bleeding effect Effects 0.000 claims description 15
- 239000004973 liquid crystal related substance Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000013022 venting Methods 0.000 claims description 2
- 210000001367 artery Anatomy 0.000 abstract description 19
- 210000004369 blood Anatomy 0.000 abstract description 9
- 239000008280 blood Substances 0.000 abstract description 9
- 210000004204 blood vessel Anatomy 0.000 abstract description 7
- 230000000903 blocking effect Effects 0.000 abstract description 6
- 230000001965 increasing effect Effects 0.000 abstract description 6
- 238000007920 subcutaneous administration Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 210000003414 extremity Anatomy 0.000 description 37
- 230000002792 vascular Effects 0.000 description 5
- 230000036772 blood pressure Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 206010020565 Hyperaemia Diseases 0.000 description 1
- 208000008589 Obesity Diseases 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009692 acute damage Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 229940056582 human hair preparation Drugs 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 201000002818 limb ischemia Diseases 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 235000020824 obesity Nutrition 0.000 description 1
- 210000005259 peripheral blood Anatomy 0.000 description 1
- 239000011886 peripheral blood Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
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- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
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Abstract
The utility model provides a sufficient expansion appearance of shallow vein blood vessel of limbs, this expansion appearance includes microcontroller, the pump, electromagnetism discharge valve and mechanical at the uniform velocity discharge valve, limbs sleeve area and pressure sensor, microcontroller is last to have the LCD who shows the pressure value in real time, microcontroller brings into to go to the limbs sleeve through the control pump and aerifys the pressurization, pressure sensor gathers the change of sleeve in -band pressure oscillation value in real time, and turn into data signal with the pressure value and handle in sending into microcontroller, microcontroller shows the pressure value through LCD in real time, machinery at the uniform velocity discharge valve is used for at the uniform velocity slowly exitting. The utility model discloses ability automatic calculation and the charged pressure who selects best limbs sleeve area to taking the blood vessel of self -maintenance difference patient individuations to block pressure through this sleeve, ensureing to block the vein on not influencing the unobstructed basis of limbs artery, thereby make the blood escalation in the subcutaneous superficial vein of distal end of blocking limbs, the blood vessel is obvious sufficient to be increased slightly.
Description
Technical field
This utility model relates to a kind of limbs superficial vein angioplerosis expansion instrument, belongs to medical instruments field.
Background technology
In the routine work of hospital, nurse every day will to patient's blood drawing or transfusion, the venipuncture procedure such as blood transfusion, this venipuncture procedure most patient is easily completed, but to some patients particularly at acute injury, when the peripheral blood vessel underfilling that the individual blood poor circulation etc. such as to lose blood causes, or concerning the unconspicuous obesity of exposed vessel and angiosclerotic patient, it is very difficult sometimes that nurse finds limbs Superficial veins, because venous engorgement is bad, appear unclear and cause nurse's repeatedly venipuncture failure, larger misery and psychological fear can be caused to patient.Therefore, for the problems referred to above both at home and abroad existing many scholars done a large amount of research work how improving in success rate of venous puncture, invented multiple venipuncture auxiliary machine.But these inventions are all just confined to the position being found vein by the principle of various optics.Can be divided into two classes by its principle, a class carries out transmission by visible ray to puncture targeted vein position, utilizes vein and surrounding tissue to the penetrance difference of transmitted ray, finds and localizing objects puncture vein; Another kind of is utilize infrared ray vein imaging principle, and by the targeted vein region that infrared ray radiation is to be punctured, light, after skin surface reflectance, carries venae subcutaneae distributed intelligence, is converted into data image signal through dichroic mirror by imaging system.As calculated after machine real time enhancing, image projects go back to former field of illumination again, makes the vein distributed image in this region clearly be shown in skin surface.
Said method can help nurse to find position residing for vein, but even if the venous locations of lighting indicia can be seen for the tiny superficial vein of poor filling, venipuncture accurately to remain difficult thing, only make subcutaneous Superficial veins fill the object increasing and slightly just can better reach and be convenient to medical personnel's puncture.How to make the full increasing of subcutaneous Superficial veins thick, also there were some traditional methods in the past, the backflow of limbs superficial vein is blocked as used tourniquet and sphygmomanometer girding, but these two kinds of traditional methods all relatively blindly, because of blood pressure and the fat or thin different individual variation of each patient, make nurse cannot the tightness of grasp tourniquet ligation of individuation and the pressure size of sphygmomanometer girding inflation, if tourniquet is too tight or sphygmomanometer girding internal gas pressure too mostly may block limb artery and causes distal limb ischemia, do not reach the object making region superficial vein filling, too pine or air pressure too little, the backflow of superficial vein cannot be blocked, do not reach the object that region superficial vein filling is expanded equally.There is Crinis Carbonisatus to understand " adjustable gas pressure zone (number of patent application CN201410097093) " in recent years, but be blocking-up extremity vascular comparatively blindly equally, vein cannot be made to be in best full expansion state.
The present inventor proves by experiment, make extremity vascular full expansion to greatest extent, must the crowd of intelligentized and different blood pressure fat or thin for difference, automatically calculate and select the best artery open pressure of limbs in inflation cuff and vein blocking-up to press, and maintaining this pressure and terminate to venipuncture.
Summary of the invention
Not yet find that there is the Medical Instruments promoting the expansion of limbs region superficial vein filling at present both at home and abroad.Technical problem to be solved in the utility model is to provide a kind of instrument making extremity Superficial veins fill expansion, it can block vein not affecting on the unobstructed basis of limb artery, thus the blood in the far-end subcutaneous superficial vein of blocking-up limbs is constantly increased, blood vessel obviously increases slightly.
The technical scheme that this utility model provides is: a kind of instrument making extremity Superficial veins fill expansion, it comprises microcontroller (MCU), inflator pump, limbs cuff, pressure transducer and electromagnetic exhaust valve and machinery at the uniform velocity air bleeding valve, microcontroller (MCU) has liquid crystal display force value shown in real time, microcontroller (MCU) carries out pneumatic compression to limbs cuff by controlling inflator pump, the change of pressure oscillation value in pressure transducer Real-time Collection cuff, and force value is converted into process in digital signal feeding microcontroller (MCU), force value is shown by liquid crystal display by microcontroller (MCU) in real time, machinery at the uniform velocity air bleeding valve is used for uniform speed slow venting, microcontroller (MCU) can control inflator pump by drive circuit, electromagnetic exhaust valve and machinery at the uniform velocity air bleeding valve.
Wherein, microcontroller (MCU) also has signal lamp, and microcontroller (MCU) is provided with start/stop button.
The using method that this utility model makes extremity Superficial veins fill the instrument of expansion comprises the steps:
Start microcontroller (MCU), close electromagnetic exhaust valve by microcontroller (MCU) and open inflator pump;
When cuff air pressure reaches 180mmHg, pressure data is imported into microcontroller (MCU) by pressure receptor, microcontroller (MCU) open machinery at the uniform velocity air bleeding valve at the uniform velocity exit;
Measure the high pressure of patient limb and the pressure value of low pressure in the process;
Microcontroller (MCU) blocks the computing formula of pressure according to the best artery open pressure and vein of repeatedly testing acquisition, automatically the best artery open pressure and the vein that calculate Different Individual block pressure, and it is dynamically constant to control this atmospheric pressure value in inflator pump maintenance cuff by pulse width modulation (PWM), until venipuncture terminates and stops, electromagnetic exhaust valve opens automatic vent.
Wherein, preferably, the high pressure of the limb artery measured is represented with HBP, low pressure LBP represents, best artery open pressure A represents, described computing formula is: A (mmHg)=[0.5 × (HBP+LBP)-B], wherein B=5 ~ 15.
This utility model limbs superficial vein angioplerosis expansion instrument tool has the following advantages: this utility model is anatomical features according to extremity vascular and hematodinamics principle, limbs cuff is carried out pneumatic compression by controlling inflator pump by microcontroller (MCU), owing to pressure overlap the pressure oscillation synchronous with pulse in the specific time period cuff of inflation, i.e. pulse wave, the change of pressure oscillation value in pressure transducer Real-time Collection cuff, and force value is converted into process in digital signal feeding microcontroller (MCU), force value is shown by liquid crystal display by microcontroller (MCU) in real time.Along with the carrying out of inflation, the cuff that limbs are inflated can strengthen gradually to arterial vascular compressing, and when in cuff, pressure reaches about 180mmHg, arteries is in complete blocking state, now closes inflator pump.Due to inflator pump close, and machinery at the uniform velocity air bleeding valve be in uniform speed slow deflation status all the time, pressure in cuff is slowly declined.In the process, arteries presents from blocking fractional open completely, last wide-open change procedure.Measure high pressure (HBP) and the low pressure (LBP) of limb artery in the process.Then, by controlling inflator pump, cuff is inflated again, (the AmmHg=[0.5 × (HBP+LBP)-B] when cuff internal gas pressure value reaches best artery open pressure A, B=5 ~ 15) (formula of best artery open pressure A is by using the clinical 20 routine patients of B ultrasonic repeated measurement and 10 routine healthy volunteer's upper limb Superficial veins after difference blocks the change experiment of its vein sectional area of pressure, through repeatedly optimizing acquisition.), control this atmospheric pressure value in inflator pump maintenance cuff by pulse width modulation (PWM) dynamically constant.Now, limb artery keeps clear state, and Superficial veins is in blocking state.In this case, blood can ceaselessly through arterial flow to far-end of limb, because vein is in blocking state, blood cannot reflux, and causes the full expansion of limbs Superficial veins.
Based on above-mentioned principle, this utility model can according to different patient limb vascular pressure and fat or thin situation of change, automatic calculating and select the blowing pressure of best limbs cuff, and the blood vessel blocking pressure of different individual patient is automatically maintained by this intelligentized cuff, guarantee to block vein not affecting on the unobstructed basis of limb artery, thus the blood in the far-end subcutaneous superficial vein of blocking-up limbs is constantly increased, blood vessel obviously increases slightly.Experiment shows, namely observed finding by B ultrasonic: in 60 seconds after using intelligent cuff, the sectional area of the back of the hand subcutaneous superficial vein increases by 42.7%.The thick Superficial veins of full increasing makes the puncture procedure of nurse become comparatively easy, considerably increases the success rate of venipuncture procedure.Not good for extremity region superficial vein filling, show unclear, puncture difficulty patient, this utility model can significantly improve the success rate of nurse's venipuncture.
Accompanying drawing explanation
Fig. 1 is the instrument overall structure schematic diagram making extremity Superficial veins fill expansion of the present utility model.
Wherein, the upper arm-type cuff of 1-, 2-machinery at the uniform velocity air bleeding valve, 3-pressure transducer, 4-inflator pump, 5-drive circuit, 6-electromagnetic exhaust valve, 7-signal lamp, 8-microcontroller (MCU), 9-start/stop button, 10-LCDs.
Fig. 2 is the pressure sensor circuit figure in this utility model.
Detailed description of the invention
See Fig. 1 and Fig. 2, the instrument making extremity Superficial veins fill expansion of the present utility model, it comprises in start/stop button 9, microcontroller (MCU) 8, inflator pump 4, limbs cuff 1(the present embodiment for upper arm-type cuff), pressure transducer 3 and electromagnetic exhaust valve 6, machinery is air bleeding valve 2 at the uniform velocity, microcontroller (MCU) 8 has force value is shown LCDs 10 in real time.Microcontroller (MCU) 8 is started by start/stop button, microcontroller (MCU) carries out pneumatic compression by controlling inflator pump 4 pairs of limbs cufves 1, and close electromagnetic exhaust valve 6, the change of pressure oscillation value in pressure transducer 3 Real-time Collection cuff, and force value is converted into process in digital signal feeding microcontroller (MCU) 8, and by liquid crystal display 10, force value is shown in real time, inflator pump 4 is stopped to inflate and open machinery at the uniform velocity air bleeding valve 2 when pressure in cuff reaches microcontroller (MCU) after 180mmHg by drive circuit, uniform speed slow aerofluxus, make pressure in cuff 1 progressively drop to microcontroller (MCU) 8 to measure blood vessel high pressure and low pressure and automatically calculate best artery open pressure and vein and block and press (A), microcontroller (MCU) 8 controls inflator pump 4 and machinery at the uniform velocity air bleeding valve 2 by pulse width modulation (PWM) again subsequently, the atmospheric pressure value continuing to maintain best artery open pressure and vein blocking-up pressure (A) in cuff is dynamically constant, make the full expansion at short notice of the blood vessel of patient, by start/stop button 9 after venipuncture terminates, electromagnetic exhaust valve 6 opens automatic vent.Wherein, microcontroller (MCU) 8 can control inflator pump 4, electromagnetic exhaust valve 6 and machinery at the uniform velocity air bleeding valve 2 by drive circuit.
Microcontroller (MCU), inflator pump, electromagnetic exhaust valve etc. used in embodiment, if no special instructions, all can obtain from commercial channels, such as: the model of microcontroller (MCU) can be ATMEGA16A-PU, electromagnetic exhaust valve: SV0504F(DC6V), inflator pump: TMJ-370CA-15330(DC6V), etc.
The using method making extremity Superficial veins fill the instrument of expansion of the present utility model is: press Qi Dong Key (start/stop button 9) and start microcontroller (MCU) 8, close electromagnetic exhaust valve 6 by microcontroller (MCU) 8 and open inflator pump 4, when cuff air pressure reaches 180mmHg, pressure data is imported into microcontroller (MCU) 8 by pressure receptor, microcontroller (MCU) 8 open machinery at the uniform velocity air bleeding valve 2 at the uniform velocity exit, measure the blood pressure (high pressure and low pressure) of patient limb in the process, microcontroller (MCU) 8 can test the best artery open pressure of acquisition and the computing formula of vein blocking-up pressure (A) repeatedly according to us, automatically the best artery open pressure and the vein that calculate Different Individual block pressure (A), and by pulse width modulation (PWM) control inflator pump 4 and machinery at the uniform velocity air bleeding valve 6 to maintain this atmospheric pressure value in cuff dynamically constant, until venipuncture terminates, close Qi Dong Key, electromagnetic exhaust valve 6 opens automatic vent.
Claims (3)
1. the instrument making extremity Superficial veins fill expansion, it comprises microcontroller, inflator pump, limbs cuff, pressure transducer, and electromagnetic exhaust valve, machinery is air bleeding valve at the uniform velocity, microcontroller has liquid crystal display force value shown in real time, it is characterized in that: microcontroller carries out pneumatic compression to limbs cuff by controlling inflator pump, the change of pressure oscillation value in pressure transducer Real-time Collection cuff, and force value is converted into digital signal and sends in microcontroller and process, force value is shown by liquid crystal display by microcontroller in real time, machinery at the uniform velocity air bleeding valve is used for uniform speed slow venting, wherein, microcontroller can control inflator pump by drive circuit, electromagnetic exhaust valve and machinery at the uniform velocity air bleeding valve.
2. the instrument making extremity Superficial veins fill expansion according to claim 1, is characterized in that: microcontroller also has signal lamp.
3. the instrument making extremity Superficial veins fill expansion according to claim 1 and 2, is characterized in that: microcontroller is provided with start/stop button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520929769.1U CN205198073U (en) | 2015-11-20 | 2015-11-20 | Sufficient expansion appearance of shallow vein blood vessel of limbs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520929769.1U CN205198073U (en) | 2015-11-20 | 2015-11-20 | Sufficient expansion appearance of shallow vein blood vessel of limbs |
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| Publication Number | Publication Date |
|---|---|
| CN205198073U true CN205198073U (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520929769.1U Active CN205198073U (en) | 2015-11-20 | 2015-11-20 | Sufficient expansion appearance of shallow vein blood vessel of limbs |
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| Country | Link |
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| CN (1) | CN205198073U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105796151A (en) * | 2015-11-20 | 2016-07-27 | 顾万清 | Limb superficial vein vessel filling expander and expanding method |
-
2015
- 2015-11-20 CN CN201520929769.1U patent/CN205198073U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105796151A (en) * | 2015-11-20 | 2016-07-27 | 顾万清 | Limb superficial vein vessel filling expander and expanding method |
| CN105796151B (en) * | 2015-11-20 | 2019-04-12 | 顾万清 | A kind of limbs superficial vein angioplerosis expansion instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191129 Address after: 214028 2F, building 2, No. 188, Meishan Meiliang Road, Binhu District, Wuxi City, Jiangsu Province Patentee after: WUXI CHANGDAO MEDICAL EQUIPMENT Co.,Ltd. Address before: 100853, 4, Taiping Road, Haidian District, Beijing tomorrow home No. 25 building Patentee before: Gu Wanqing |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240722 Address after: No. 188, Meishan Meiliang Road, Binhu District, Wuxi City, Jiangsu Province, 214000 Patentee after: Wuxi round road medical science and Technology Research Institute Co.,Ltd. Country or region after: China Patentee after: DONG'E EHUA MEDICAL TECHNOLOGY CO.,LTD. Address before: 2nd Floor, Building 2, No. 188 Meishan Meiliang Road, Binhu District, Wuxi City, Jiangsu Province, China 214028 Patentee before: WUXI CHANGDAO MEDICAL EQUIPMENT Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |