CN201612609U - Gravity type digital-display mercurial sphygmomanometer - Google Patents
Gravity type digital-display mercurial sphygmomanometer Download PDFInfo
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- CN201612609U CN201612609U CN2010201016061U CN201020101606U CN201612609U CN 201612609 U CN201612609 U CN 201612609U CN 2010201016061 U CN2010201016061 U CN 2010201016061U CN 201020101606 U CN201020101606 U CN 201020101606U CN 201612609 U CN201612609 U CN 201612609U
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- hydrargyrum
- kettle
- mercury
- collapsible
- digital display
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Abstract
The utility model relates to a gravity type digital-display mercurial sphygmomanometer. The utility model is characterized in that the gravity type digital-display mercurial sphygmomanometer comprises a U-shaped water pipe shaped mercury kettle (1), a foldable mercury column pipe (2) and a metal connector (3), wherein a metal wire is laid on the inner wall of the foldable mercury column pipe (2), an outlet end of the U-shaped water pipe shaped mercury kettle (1) is connected with the foldable mercury column pipe (2) through the metal connector (3), an air inlet at the other end of the U-shaped water pipe shaped mercury kettle (1) is connected with an inflatable cuff through an inflation valve (3-4), and the mercury in the foldable mercury column pipe and wire resistance output terminals A and B are respectively connected with an input terminal of an electronic digital display circuit. The sphygmomanometer has the obvious benefits that the mercurial sphygmomanometer integrates all the advantages and eliminates all the defects of the traditional mercurial sphygmomanometer and the traditional electronic sphygmomanometer, and is a novel blood pressure measurement device with reliability, low cost, easy carrying and convenient use.
Description
Technical field
This utility model relates to medical detecting Instrument, specifically is a kind of gravity type digital display mercurial sphygmomanometer.
Background technology
Along with vascular hypertension crowd's growing, easy to carry, easy to use, reliable quality blood pressure measuring device become social need more and more widely.The sphygomanometer that uses on the clinical medicine generally has two kinds, mercurial sphygmomanometer and electric sphygmomanometer at present.Mercurial sphygmomanometer is simple in structure, cheap because of it, use reliably is used widely.But, since its volume big, carry drawback such as difficult, reading inconvenience, the use of family, aspect such as travel, pay a home visit is subjected to certain limitation.At these weak points, electric sphygmomanometer has remarkable advantages, but its reliability, maintainability aspect exist tangible deficiency again.Especially serious is, when breaking down, any one part such as the pressure sensing of electric sphygmomanometer, electronic component, digital display loop can have influence on the blood-pressure measurement data misalignment, and may there be the major safety risks that cause the diagnosis and treatment error in user when this is known nothing.
Summary of the invention
The purpose of this utility model provide a kind of easy to carry, accurately and reliably, reading gravity type electronic digital mercurial sphygmomanometer intuitively.
Described gravity type digital display mercurial sphygmomanometer, comprise inflated type arm band, rule, inflator pump, vent valve, the hydrargyrum kettle, the hydrargyrum column jecket, three-way valve, electronic digital display apparatus, the inflator pump gas outlet is communicated with the inflation arm by three-way valve, the other end of three-way valve is communicated with vent valve, it is characterized in that: described gravity type digital display mercurial sphygmomanometer is provided with U-shaped water pipe shape hydrargyrum kettle, collapsible hydrargyrum column jecket, metal connector, on collapsible mercury column inside pipe wall, be laid with plain conductor, the port of export of described U-shaped tubulose hydrargyrum kettle is connected with collapsible hydrargyrum column jecket by metal connector, other end air inlet is connected with inflatable cuff by charge valve, hydrargyrum in the collapsible hydrargyrum column jecket and conductor resistance output first, the second end is connected with the input of electronic digital display circuit.Described U-shaped tubulose hydrargyrum kettle equates with the interior caliber of collapsible hydrargyrum column jecket.
Described metal connector comprises: hydrargyrum kettle connector, the mercury column pipe connections, keeper, the truncated cone-shaped charge valve, spring, connecting axle and connecting screw rod, hydrargyrum kettle connector is communicated with the port of export of U-shaped tubulose hydrargyrum kettle, the mercury column pipe connections is communicated with collapsible hydrargyrum column jecket lower end, truncated cone-shaped groove on truncated cone-shaped charge valve and the keeper is chimeric, spring is located between truncated cone-shaped charge valve bottom and the truncated cone-shaped groove, described hydrargyrum kettle connector and mercury column pipe connections all are entrenched in the keeper, these three connectors also are connected as a single entity by connecting axle and connecting screw rod, and all can rotate around connecting axle.
Be respectively equipped with the connecting hole that mutual dislocation designs at hydrargyrum kettle connector and mercury column pipe connections adjacent face, only these two connecting holes are interconnected when collapsible hydrargyrum column jecket launches.
Described collapsible hydrargyrum column jecket also contacts with sphygomanometer power knob switch actuating when folding.Also be fixed with the shake-up plush copper on the mercury column pipe connections, touch plush copper and contact with truncated cone-shaped charge valve top in the folding back of hydrargyrum column jecket.Collapsible hydrargyrum column jecket top is provided with sealer.
Operation principle of the present utility model: pressure value should be the poor of hydrargyrum kettle and two hydrargyrum cylinders of hydrargyrum column jecket, this utility model carries out integrated design with the two, the interior caliber that makes hydrargyrum kettle and hydrargyrum column jecket fully always, when the air pressure that charges into of inflatable cuff makes the hydrargyrum cylinder of hydrargyrum kettle descend a unit range like this, the hydrargyrum cylinder of the hydrargyrum column jecket unit that also rises, it is two unit ranges that the result causes the difference of two hydrargyrum cylinders, Here it is range multiplication principle.Fig. 3 and Fig. 4 have represented this result visually with mode of comparing, and the range multiplication principle makes the length of hydrargyrum column jecket can shorten half, make the portable possibility that becomes.Blood pressure measurement of the present utility model can be the same with common mercurial sphygmomanometer, directly reads from the height of hydrargyrum cylinder.Because measuring blood pressure with hydrargyrum cylinder height is basic, the simplest measuring method, according to the principle of " simple promptly reliably " of reliability theory, this also is the most reliable method.
Two, this utility model also is equipped with electronic digital display apparatus, can read blood pressure measurement easily from numeral shows.In the electronic digital display circuit, this utility model is established pressure sensor no longer in addition, but with the hydrargyrum cylinder as electronic component resistance (or electric capacity), utilization is when measuring blood pressure, the variation of mercury pressure brings the variation of resistance value (or capacitance) to make electronic circuit produce different output, again its numeral is shown, and get final product the digital display result is corresponding with blood pressure measurement.
Two kinds of readings can confirm each other, and this sphygomanometer has self-calibration function, guarantee that accuracy of reading is errorless.Even when electronic digital display breaks down, still can guarantee to use.
The beneficial effects of the utility model: it has concentrated whole advantages of existing mercurial sphygmomanometer and electric sphygmomanometer, has rejected both whole shortcomings, be a kind of reliable, inexpensive, be easy to carry about with one, novel blood pressure measuring device easy to use.
Description of drawings
Fig. 1 is U-shaped tubulose hydrargyrum kettle and collapsible mercury column tubular construction sketch map,
Fig. 2 is that collapsible hydrargyrum column jecket launches to use sketch map (),
Fig. 3 is that collapsible hydrargyrum column jecket launches to use sketch map (two),
Fig. 4 is that collapsible hydrargyrum column jecket launches to use sketch map (three),
Fig. 5 is a metal connector assembling sketch map,
Fig. 6 is the right view of Fig. 5,
Fig. 7 is the vertical view of Fig. 6,
Fig. 8 is the cutaway view of Fig. 6,
Fig. 9 is the sketch map of keeper among Fig. 7,
Figure 10 is a mercury column pipe connections front view,
Figure 11 is that generalized section is looked on the left side of Figure 10,
Figure 12 is the top cross-sectional view of Figure 10,
Figure 13 is a hydrargyrum kettle connector front view,
Figure 14 is that generalized section is looked on the left side of Figure 13,
Figure 15 is the top cross-sectional view of Figure 13,
Figure 16 is circuit theory diagrams of the present utility model.
Among the figure: 1-U shape tubulose hydrargyrum kettle, the collapsible hydrargyrum column jecket of 2-, 3-metal connector, 3-1-hydrargyrum kettle connector, 3-11-hydrargyrum kettle connector connecting hole, 3-2-mercury column pipe connections, 3-21-mercury column pipe connections connecting hole, 3-3-keeper, 3-4-truncated cone-shaped charge valve, the 3-5-spring, the 3-6-connecting axle, 3-7-connecting screw rod, 4-plain conductor, 5-touches plush copper, 6-sealer.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing, among Fig. 1, described gravity type digital display mercurial sphygmomanometer, comprise inflated type arm band, rule, inflator pump, vent valve, the hydrargyrum kettle, the hydrargyrum column jecket, three-way valve, electronic digital display apparatus, the inflator pump gas outlet is communicated with the inflation arm by three-way valve, the other end of three-way valve is communicated with vent valve, it is characterized in that: described gravity type digital display mercurial sphygmomanometer is provided with U-shaped water pipe shape hydrargyrum kettle 1, collapsible hydrargyrum column jecket 2, metal connector 3, on collapsible mercury column inside pipe wall, be laid with plain conductor 4, the port of export of described U-shaped tubulose hydrargyrum kettle 1 is connected with collapsible hydrargyrum column jecket 2 by metal connector 3, other end air inlet is connected with inflatable cuff by charge valve 3-4, hydrargyrum in the collapsible hydrargyrum column jecket and conductor resistance output first, the second end is connected with the input of electronic digital display circuit.
Described U-shaped tubulose hydrargyrum kettle 1 equates with the interior caliber of collapsible hydrargyrum column jecket 2.
Described metal connector 3 comprises: hydrargyrum kettle connector 3-1, mercury column pipe connections 3-2, keeper 3-3, truncated cone-shaped charge valve 3-4, spring 3-5, connecting axle 3-6 and connecting screw rod 3-7, hydrargyrum kettle connector 3-1 is communicated with the port of export of U-shaped tubulose hydrargyrum kettle 1, mercury column pipe connections 3-2 and collapsible who again can column jecket 2 lower ends sealing UNICOM, truncated cone-shaped groove on truncated cone-shaped charge valve 3-4 and the keeper 3-3 is chimeric, spring 3-5 is located between truncated cone-shaped charge valve 3-4 bottom and the truncated cone-shaped groove, described hydrargyrum kettle connector 3-1 and mercury column pipe connections 3-2 all are entrenched among the keeper 3-3, these three connectors also are connected as a single entity by connecting axle 3-6 and connecting screw rod 3-7, and all can rotate around connecting axle.
Be respectively equipped with the connecting hole that mutual dislocation designs at hydrargyrum kettle connector 3-1 and mercury column pipe connections 3-2 adjacent face, 3-11,3-21, only these two connecting holes are interconnected when collapsible hydrargyrum column jecket 2 launches.
Described collapsible hydrargyrum column jecket 2 also contacts with sphygomanometer power knob switch actuating when folding.Also be fixed with on the mercury column pipe connections 3-2 and touch plush copper 5, touch plush copper 5 and contact with truncated cone-shaped charge valve 3-4 top in the folding back of hydrargyrum column jecket.Collapsible hydrargyrum column jecket 2 tops are provided with sealer 6.
Operating process of the present utility model: the adapter of (1) hydrargyrum kettle and hydrargyrum column jecket; Hydrargyrum kettle and hydrargyrum column jecket are plastics (or glass) goods, are that metal connector connects between the two.Metal connector is made up of central rotating shaft and the several parts that play the role of fastening, and has the function of automatic switching hydrargyrum path, and can touch the charging valve of inflatable cuff.This charging valve can be realized automatic blocking through this shake-up, with guarantee this sphygomanometer when not using or carry in hydrargyrum can not flow out.Working of plastics is connected with glue sealing adhesion or screw thread screwing hermetic with metalwork.Specifically referring to Figure 11,14 and Fig. 5,6,7,8,9.
Mercury column pipe connections 3-2 and hydrargyrum kettle connector 3-1 are clamped by connecting axle 3-6 and connecting screw rod 3-7 through keeper 3-3 location again.Mercury column pipe connections 3-2 and hydrargyrum kettle connector 3-1 can pivot, so that make hydrargyrum column jecket expansion or folding.Keeper 3-3 is not only a securing member, and truncated cone-shaped charging valve 3-4 also is installed, and the one end is connected with the air inlet of hydrargyrum kettle, and the other end is connected with inflatable cuff.Truncated cone-shaped charging valve 3-4 is upspring by spring 3-5 during use, and valve opening can be inflated; When not using, the hydrargyrum column jecket is turned up the back and is touched truncated cone-shaped charging valve 3-4, and dead spring makes valve closing, prevents that hydrargyrum from flowing out.Valve is sealed by seal washer, and assurance itself can not leaked gas.
(2) electronic digital display part
Blood pressure measurement signal of the present utility model directly takes out from the height of mercury column.So not only simplify electronic component, reduced cost, improved reliability, the more important thing is to make two kinds of display result of blood-pressure measurement data all come from same signal source, guaranteed the reliability and the concordance of measurement result.
Hydrargyrum is the conductor that has certain resistivity, and this utility model as the resistance in the electronic loop, is called hydrargyrum resistance with mercury column.The hydrargyrum column jecket itself is nonconducting plastics or glass, be laid with plain conductor on its inwall, after hydrargyrum is inflated and is pressed into the hydrargyrum column jecket, metal connector 3 and plain conductor 4 are connected, plain conductor is inserted electronic circuit (first, the second end among Figure 16), hydrargyrum resistance just becomes the variable resistance R0 (referring to Figure 16) in the electronic circuit, and resistance value is with the height change of mercury column again, mercury column is high more, and the hydrargyrum resistance value is more little.In circuit hydrargyrum resistance is connected with digital electronic ammeter, voltage one timing at supplying cell has following relation:
Mercury pressure increase → hydrargyrum resistance reduces → and electric current increasing → ammeter reading becomes big
As seen, the reading of mercury pressure and digital electronic ammeter has one-to-one relationship.Be easy to take technical measures, make the numeral demonstration of digital electronic ammeter consistent, just can read blood pressure measurement from digital electronic ammeter very intuitively with the millimetres of mercury height of mercury column.
Hence one can see that, and the selection of plain conductor and diameter are the keys that realizes above-mentioned effect.The resistivity of plain conductor is compared with hydrargyrum, is the bigger the better; Under the fixed situation of the diameter of hydrargyrum cylinder, plain conductor is thin more good more.
If, just constituted a capacity cell be laid in mercury column tube outside and not contacting of plain conductor with the hydrargyrum cylinder.When mercury column raise, the electric capacity quantitative change was big.When designing in related circuit, ultimate principle is with last identical.
(3) demonstration of blood pressure measurement: this utility model is equipped with mike formula auscultation head in the arm band, listen to pulse sound in the blood pressure measurement process, and transfer it to signal of telecommunication.On the one hand pulse sound is broadcasted by Microspeaker; On the one hand the digital storage of Ke Shi sound reflection systolic pressure and diastolic pressure is got up, on the digital display version, showing automatically behind the blood pressure measurement.Figure 16 is a schematic diagram of the present utility model.A is a differential operational amplifier among the figure, and C and R form derivative time constant.The human pulse ticktack that fluctuating signal spreads out of from mike formula auscultation head.It becomes the spike signal after amplifying through the A computing.K is an on-off circuit, and normality is to close.When the spike signal of A output was input to K, K moment was open-minded, electric current flow through digital display ammeter and hydrargyrum resistance R 0, and digital display portion demonstrates current value (being the millimetres of mercury height of mercury column).Simultaneously, loudspeaker pipe.The circuit that A, K form guarantees to demonstrate the millimetres of mercury height of human pulse ticktack correspondence, its head and the tail two promptly corresponding systolic pressure and the measured value of unfolding pressure, the memory function in the digital display ammeter can store it automatically, pressing display key can show.
(4) battery power supply system: this utility model is made power supply with aneroid battery, gives whole electronic system, control system, dynamical system power supply.
(5) the power supply system of cutting off the power supply automatically: on and off switch of the present utility model is a push button, places the appropriate location.During use, the hydrargyrum column jecket launches the button of back push-button switch and upsprings power connection automatically; After using end, push down this button when the hydrargyrum column jecket is folding, make whole power-off outage.
(6) hydrargyrum kettle automatic closing system: be the fluidic leakage of hydrargyrum in preventing to carry, as mentioned above, all have and close setting automatically at two interfaces of hydrargyrum kettle (air inlet and with the connector of hydrargyrum column jecket).The air inlet of hydrargyrum kettle is provided with truncated cone-shaped charging valve 3-4 as automatic switch valve.On the adapter of hydrargyrum kettle and hydrargyrum column jecket, the mercury channel mouth position of mercury column pipe connections 3-2 and hydrargyrum kettle connector 3-1 is dislocation design (referring to Figure 11 and Figure 14), and automatic switching on when the hydrargyrum column jecket launches is closed when folding automatically.
(7) electric gas-filled system:
This utility model adopts electric gas-filled system, starting switch when measuring blood pressure, and inflator pump is from trend arm band air bag and the inflation of hydrargyrum kettle.Inner gas pressure reaches the automatic outage in setting value back and stops inflation, and begins venting automatically.The on and off switch of this electric inflating pump is the individual event step switch: inflation makes air pressure reach the outage automatically of setting value back, stop inflation and begin venting, air pressure decline can not make this switch recover energized then, and starting switch could be switched on once more manually.This switch is located on the control panel, and indicates the ON/OFF printed words.
Claims (7)
1. gravity type digital display mercurial sphygmomanometer, comprise inflated type arm band, rule, inflator pump, vent valve, the hydrargyrum kettle, the hydrargyrum column jecket, three-way valve, electronic digital display apparatus, the inflator pump gas outlet is communicated with the inflation arm by three-way valve, the other end of three-way valve is communicated with vent valve, it is characterized in that: described gravity type digital display mercurial sphygmomanometer is provided with U-shaped water pipe shape hydrargyrum kettle (1), collapsible hydrargyrum column jecket (2), metal connector (3), on collapsible mercury column inside pipe wall, be laid with plain conductor (4), the port of export of described U-shaped tubulose hydrargyrum kettle (1) is connected with collapsible hydrargyrum column jecket (2) by metal connector (3), other end air inlet is connected with inflatable cuff by charge valve (3-4), hydrargyrum in the collapsible hydrargyrum column jecket and conductor resistance output first, the second end is connected with the input of electronic digital display circuit.
2. according to the described gravity type digital display of claim 1 mercurial sphygmomanometer, it is characterized in that: described U-shaped tubulose hydrargyrum kettle (1) equates with the interior caliber of collapsible hydrargyrum column jecket (2).
3. according to the described gravity type digital display of claim 1 mercurial sphygmomanometer, it is characterized in that: described metal connector (3) comprising: hydrargyrum kettle connector (3-1), mercury column pipe connections (3-2), keeper (3-3), truncated cone-shaped charge valve (3-4), spring (3-5), connecting axle (3-6) and connecting screw rod (3-7), hydrargyrum kettle connector (3-1) is communicated with the port of export of U-shaped tubulose hydrargyrum kettle (1), mercury column pipe connections (3-2) is communicated with collapsible hydrargyrum column jecket (2) lower end, truncated cone-shaped charge valve (3-4) is chimeric with the truncated cone-shaped groove on the keeper (3-3), spring (3-5) is located between truncated cone-shaped charge valve (3-4) bottom and the truncated cone-shaped groove, described hydrargyrum kettle connector (3-1) all is entrenched in the keeper (3-3) with mercury column pipe connections (3-2), these three connectors also are connected as a single entity by connecting axle (3-6) and connecting screw rod (3-7), and all can rotate around connecting axle.
4. according to the described gravity type digital display of claim 1 mercurial sphygmomanometer, it is characterized in that: be respectively equipped with the connecting hole (3-11,3-21) that mutual dislocation designs at hydrargyrum kettle connector (3-1) and mercury column pipe connections (3-2) adjacent face, only these two connecting holes are interconnected when collapsible hydrargyrum column jecket (2) launches.
5. according to the described gravity type digital display of claim 1 mercurial sphygmomanometer, it is characterized in that: described collapsible hydrargyrum column jecket (2) also contacts with sphygomanometer power knob switch actuating when folding.
6. according to the described gravity type digital display of claim 1 mercurial sphygmomanometer, it is characterized in that: also be fixed with on the mercury column pipe connections (3-2) and touch plush copper (5), touch plush copper (5) and contact with truncated cone-shaped charge valve (3-4) top in the folding back of hydrargyrum column jecket.
7. according to the described gravity type digital display of claim 1 mercurial sphygmomanometer, it is characterized in that: collapsible hydrargyrum column jecket (2) top is provided with sealer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201016061U CN201612609U (en) | 2010-01-25 | 2010-01-25 | Gravity type digital-display mercurial sphygmomanometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201016061U CN201612609U (en) | 2010-01-25 | 2010-01-25 | Gravity type digital-display mercurial sphygmomanometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201612609U true CN201612609U (en) | 2010-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201016061U Expired - Fee Related CN201612609U (en) | 2010-01-25 | 2010-01-25 | Gravity type digital-display mercurial sphygmomanometer |
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| CN (1) | CN201612609U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105249947A (en) * | 2015-11-13 | 2016-01-20 | 周常柱 | High-precision potential measurement displayable type riva-rocci sphygmomanometer |
| CN108783792A (en) * | 2018-05-29 | 2018-11-13 | 陈玉海 | A kind of bone free umbrella |
-
2010
- 2010-01-25 CN CN2010201016061U patent/CN201612609U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105249947A (en) * | 2015-11-13 | 2016-01-20 | 周常柱 | High-precision potential measurement displayable type riva-rocci sphygmomanometer |
| CN108783792A (en) * | 2018-05-29 | 2018-11-13 | 陈玉海 | A kind of bone free umbrella |
| CN108783792B (en) * | 2018-05-29 | 2019-11-05 | 安徽荣国环保智能科技有限公司 | A kind of bone-free umbrella |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101027 Termination date: 20150125 |
|
| EXPY | Termination of patent right or utility model |