CN205322319U - Non -mercury sphygmomanometer - Google Patents
Non -mercury sphygmomanometer Download PDFInfo
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- CN205322319U CN205322319U CN201521103299.XU CN201521103299U CN205322319U CN 205322319 U CN205322319 U CN 205322319U CN 201521103299 U CN201521103299 U CN 201521103299U CN 205322319 U CN205322319 U CN 205322319U
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Abstract
The utility model provides a non -mercury sphygmomanometer, including the pressure measurement structure, deposit fluid reservoir, gas transmission ball and sleeve area, it is linked together through the trachea and the area of tucking inside the sleeve respectively to deposit fluid reservoir and gas transmission ball, the pressure measurement structure includes hyaline tube and scale, has in the hyaline tube along length direction's through -hole, the pressure measurement structure still includes an air receiver, the air receiver with the upper end of through -hole intercommunication, the lower extreme of through -hole with deposit the fluid reservoir intercommunication, the area from the top down of through -hole cross section is crescent, it has or not the venom body to deposit the fluid reservoir traditional chinese clothing. The utility model discloses use liquid such as innocuous water, oil, anti -icing fluid to replace mercury as the indicator solution of sphygmomanometer, the through -hole that sets up air receiver and variable cross section is feasible the utility model discloses with the same volume of conventional sphygmomanometer, portable and use. The utility model discloses use the nontoxic liquid can not the polluted environment as the indicator solution, it is with low costs moreover.
Description
Technical field
This utility model relates to a kind of sphygomanometer, particularly relates to a kind of sphygomanometer not containing mercury metal。
Background technology
Sphygomanometer is the armarium for measuring human blood-pressure。The sphygomanometer used at present mainly has auscultation sphygomanometer and oscillographic method sphygomanometer。
Auscultation is divided into again human auscultation and automatic auscultation, mercurial sphygmomanometer (piezometer), spring meter type blood pressure meter (Pressure gauge) are exactly human auscultation's sphygomanometer of early stage, and present human auscultation has digital display sphygomanometer, light beam sphygomanometer, light to show sphygomanometer, liquid crystal sphygomanometer etc.；The technical difficulty of automatic auscultation is big, currently used less。
Oscillographic method is again succusion, is exactly briefly obtain the wave of oscillation produced in deflation course, draws pressure value by certain algorithm conversion。Most electric sphygmomanometers on the market all adopt oscillography principle to design at present。
When actually used, auscultation is measured the accuracy rate of blood pressure and is higher than oscillographic method, so up to the present, mercurial sphygmomanometer is still widely used。It is known that hydrargyrum is exactly mercury metal, it has severe toxicity, is not only harmful to human body, and is very easy to contaminated environment, is non-environmental protection material。Meanwhile, the price of hydrargyrum is higher, therefore causes the relatively costly of mercurial sphygmomanometer。Along with the attention of Environmental protection, increasing deleterious material is prohibited from using, and hydrargyrum is exactly one therein。Prohibitting the use of of hydrargyrum can make mercurial sphygmomanometer be replaced gradually, accordingly, it would be desirable to a kind of new product that can substitute mercurial sphygmomanometer。It is well known, however, that the density of other fluent material is all far smaller than hydrargyrum, in order to show identical pressure, the liquid-column height of other fluent material is necessarily far longer than the height of mercury column, thus the volume of sphygomanometer can be made to increase, it is difficult to meet portable requirement。This is also the basic reason that the auscultation sphygomanometer without hydrargyrum is unable to reach practicality at present。
Utility model content
The technical problems to be solved in the utility model is in that to provide a kind of material environment friendly, cost low, it is not necessary to use the sphygomanometer of hydrargyrum, to overcome the defect in prior art。
In order to solve above-mentioned technical problem, this utility model adopts the following technical scheme that a kind of non-hydrargyrum sphygmomanometer, including pressure measurement structure, liquid storage tank, gas transmission ball and cuff, described liquid storage tank is connected with cuff respectively through trachea with gas transmission ball, described pressure measurement structure includes transparent tube and scale, there is in transparent tube through hole along its length, described pressure measurement structure also includes an air storage chamber, described air storage chamber connects with the upper end of described through hole, the lower end of through hole connects with liquid storage tank, the area of described through hole cross section is gradually increased from top to bottom, equipped with non-toxic aq in described liquid storage tank。
Preferably, described air storage chamber is provided with the governor motion of volume adjusted。
Preferably, described air storage chamber is provided with breather valve, and described breather valve can allow described air storage chamber and atmosphere。
Preferably, the lower end of described trachea is inserted in liquid storage tank and extends to the bottom of liquid storage tank。
Preferably, described gas transmission ball is provided with vent valve。
Preferably, also include the receiver of a strip, described receiver is hinged with a lid, described pressure measurement structure and liquid storage tank are arranged on inside described lid, the lower end of described transparent tube and liquid storage tank are close to one end that lid is hinged with receiver, and described gas transmission ball and cuff can be placed in receiver。
Preferably, described non-toxic aq is mixed with anti-icing fluid。
Further, described non-toxic aq is water or oil。
Preferably, choked flow switch it is provided with between lower end and the liquid storage tank of described transparent tube。
As it has been described above, this utility model non-hydrargyrum sphygmomanometer, have the advantages that
This utility model uses the liquid such as nontoxic water, oil, anti-icing fluid to replace hydrargyrum as the indicator solution of sphygomanometer, simultaneously by arranging the through hole of air storage chamber and variable cross-section, make under same cuff air pressure, the indicated altitude of the liquid such as low-density water can be identical with the indicated altitude of mercury column, so that this utility model is identical with conventional sphygomanometer volume, it is simple to carry and use。Additionally, transparent tube in this utility model not with atmosphere, it is therefore prevented that non-toxic aq leaks。This utility model uses non-toxic aq as indicator solution, human body not to be injured, and without contaminated environment, is especially advantageous for environmental protection。Because harmless liquid is not had strict restriction by this utility model, therefore it is readily available, and cost is low, and then to be also greatly lowered sphygomanometer be production cost, has promotional value widely。
Accompanying drawing explanation
Fig. 1 is structure chart of the present utility model。
Fig. 2 is front view of the present utility model。
Fig. 3 is the pressure measurement structure sectional view at A-A place in Fig. 2。
Fig. 4 is B place enlarged drawing in Fig. 3。
Fig. 5 is the structure sectional view of liquid storage tank in this utility model。
In figure: 1, pressure measurement structure 2, liquid storage tank 3, gas transmission ball
4, cuff 51/52, trachea 11, air storage chamber
111, governor motion 12, transparent tube 121, through hole
122, breather valve 13, scale 14, choked flow switch
31, vent valve 6, receiver 61, lid
Detailed description of the invention
The structure of Figure of description depicted, ratio, size etc., all only in order to coordinate the disclosed content of description, understand for those skilled in the art and read, it is not limited to the enforceable qualifications of this utility model, therefore do not have technical essential meaning, the adjustment of the modification of any structure, the change of proportionate relationship or size, under not affecting effect that this utility model can be generated by and the purpose that can reach, all should still drop in the scope that the disclosed technology contents of this utility model can be contained。Simultaneously, in this specification cited as " on ", D score, "front", "rear", the term such as " centre ", it is merely convenient to understanding of narration, and it is not used to limit the enforceable scope of this utility model, the change of its relativeness or adjustment, changing under technology contents without essence, when being also considered as the enforceable category of this utility model。
Auscultation sphygmomanometer is a kind of armarium, and its small volume is easy to use, and measures accuracy rate height, and application is widely。
As Figure 1-Figure 5, this utility model one non-hydrargyrum sphygmomanometer, including pressure measurement structure 1, liquid storage tank 2, gas transmission ball 3 and cuff 4, described liquid storage tank 2 is connected with cuff 4 respectively through trachea 51,52 with gas transmission ball 3, described pressure measurement structure 1 includes transparent tube 12 and scale 13, has through hole 121 along its length in transparent tube 12。Cuff 4 is for colligation arm, gas transmission ball 3 for inflating in cuff 4, because liquid storage tank 2, gas transmission ball 3 connect with cuff 4 three, so then gas transmission ball 3 by the non-toxic aq in liquid storage tank 2 by gas pressure press-in pressure measurement structure 1, can coordinate stethoscope to draw by the contraction pressure of side person and diastolic pressure when using。Pressure value is read, the zero-bit of the liquid level correspondence scale 13 in described liquid storage tank 2 under normality by scale 13。Pressure measurement structure described in this utility model 1 also includes an air storage chamber 11, described air storage chamber 11 is the space of a relative closure, wherein accommodate air and the upper end with described through hole 121 connects, the lower end of through hole 121 connects with liquid storage tank 2, and the area of described through hole 121 cross section is gradually increased from top to bottom；The cross section of described through hole 121 refers to the cross section perpendicular with the length direction of transparent tube 12。Equipped with non-toxic aq in liquid storage tank 2 of the present utility model, described non-toxic aq is the non-mercury fluent material that environment is safe from harm, it is preferable that non-toxic aq adopts water or oil, is generally adopted water, and its cost is far below hydrargyrum。Additionally, in order to be able to allow this utility model use at low ambient temperatures, described non-toxic aq, preferably with subzero fluent material, is such as mixed with the mixing liquid of anti-icing fluid in water, it is also possible to directly anti-icing fluid is used as non-toxic aq。In use, transparent tube 12 is vertically arranged, the upper end of through hole 121 communicate with air storage chamber 11 and not with atmosphere。When utilizing gas transmission ball 3 to pump gas in axle band 4, identical air pressure also can enter in liquid storage tank 2, non-toxic aq is made to enter transparent tube 12, its liquid level rises, gas in air storage chamber 11 and through hole 121 is gradually compressed, thus liquid level is produced downward pressure, and then restriction non-toxic aq lifting height in transparent tube 12, its principle is: the gas pressure in air storage chamber 11 adds pressure downward produced by the weight of fluid column in through hole 121, balance each other with the air pressure in 4 with axle, it is achieved utilize the height of fluid column in through hole 121 to indicate the axle function with the air pressure in 4；Simultaneously as the existence of gas pressure in air storage chamber 11, greatly reducing the liquid-column height of non-toxic aq, therefore this utility model material object volume size is identical with conventional mercurial sphygmomanometer, it is possible to meet requirement portable and easy to use。On the other hand, the area of through hole 121 cross section is set to be gradually increased from top to bottom by this utility model, the function of the uniformly instruction identical with mercurial sphygmomanometer can be realized, namely make liquid-column height in through hole 121 with axle with the air pressure in 4 linear change, the result of use of such this utility model non-hydrargyrum sphygmomanometer and the result of use of existing mercurial sphygmomanometer are also identical。In this utility model, the volume size of air storage chamber 11 and the concrete size of through hole 121 are determined according to specific design。Trachea 51,52 in this utility model is flexible pipe。In the present embodiment, as it is shown in figure 1, described trachea 51,52 is all connected in a threeway, threeway connects with cuff 4 again through a flexible pipe。
As shown in Figure 2, air storage chamber 11 described in the utility model is provided with the governor motion 111 of volume adjusted, and then adjust the gas content in air storage chamber 11, with reference to Fig. 4, described governor motion 111 can be one and be arranged in the moveable piston sheet of air storage chamber 11, by the movement of piston sheet thus arriving the purpose regulating air storage chamber 11 volume, piston sheet can be driven by an adjusting bolt。
In the present embodiment, in conjunction with Fig. 2 and Fig. 3, described air storage chamber 11 is provided with breather valve 122, and described breather valve 122 can allow described air storage chamber 11 and atmosphere, so can so that regulating non-toxic aq zero-bit in through hole 121。When breather valve 122 is opened, through hole 121 and atmosphere, internal and external pressure balance so that the non-toxic aq liquid level in transparent tube 12, in zero-bit, closes breather valve 122 after zero。In a preferred embodiment, described breather valve 122 adopts pin type breather valve, thimble inwardly pushes up during operation pressure and can make air storage chamber 11 and atmosphere, unclamps back center automatic spring and air storage chamber 11 is closed。
In the present embodiment, in order to prevent the non-toxic aq in liquid storage tank 2 from flowing out further, in conjunction with Fig. 1 and Fig. 5, the lower end of described trachea 51 is inserted in liquid storage tank 2 and extends to the bottom of liquid storage tank 2。Make liquid storage tank 2 when just putting and putting upside down all without leakage non-toxic aq by this structure。Additionally, described trachea 51 can also arrange a check valve, to prevent non-toxic aq from flowing out further。
Gas transmission ball 3 described in the utility model is provided with vent valve 31, in order to cuff 4 is exitted。
This utility model also includes the receiver 6 of a strip, described receiver 6 is hinged with a lid 61, described pressure measurement structure 1 and liquid storage tank 2 are arranged on inside described lid 61, one end that the lower end of described transparent tube 12 through hole 121 is hinged near lid 61 and receiver 6, described liquid storage tank 2 is near receiving one end that lid 61 is hinged with case 6, and described gas transmission ball 3 and cuff 4 are placed in receiver 6。Normality lower casing 61 covers and forms a box body closed on receiver 6, is opened by lid 61 during use。
In the present embodiment, choked flow switch 14 it is provided with between described transparent tube 12 lower end and liquid storage tank 2, switch 14 by choked flow allows non-toxic aq leave under non-working condition in liquid storage tank 2 always, it is to avoid non-toxic aq enters the precision that through hole 121 produces wall cling phenomenon and affects measurement blood pressure。Because under the through hole in this utility model 121 normality not with atmosphere, and adopt non-toxic aq instruction pressure value, therefore can also be not provided with choked flow switch。
Below with a kind of embodiment, introduce using method of the present utility model。The present embodiment uses water as non-toxic aq, and mixed colors dyestuff is so that observed reading, summary content in water, and using method of the present utility model is:
(1) receiver 6 is opened, rotate lid 61 and transparent tube 12 is placed in vertical state, open choked flow switch 14, in liquid storage tank 2, water can flow in transparent tube 12, see whether the water-column in transparent tube 12 is in zero-bit (i.e. zero graduation), if it is not, open breather valve 122 to allow the through hole 121 of transparent tube 12 and atmosphere, thus being calibrated zero。
(2) then cuff 4 is directed at the fossa cubitalis with hose connection position, cuff 4 is entirely entangled in upper arm。Cuff 4 lower end 2-3 centimeters above the fossa cubitalis, elasticity is advisable can put into a finger inward。
(3) gauger has been with stethoscope, then stethoscopic receiver is placed in cuff 4 and is positioned at the brachial artery place of the fossa cubitalis, close the vent valve 31 of gas transmission ball 3, the sound of beating being inflated to brachial artery in cuff 4 disappears, while inflation in cuff 4, in transparent tube 12, water column also can gradually rise, along with constantly to inflation in cuff 4, water column continues to rise, eyes keep looking squarely with water column scale, when reaching after water-column reach a certain height, open vent valve 31, uniformly, exit lentamente, water in transparent tube 12 refluxes to liquid storage tank 2, during water column declines, when hear the first sound clearly beat sound time representative scale, it it is exactly the contraction pressure of measured；Next hearing sound of beating, when sound of beating becomes suddenly very weak or disappearance is not heard, indicated scale is exactly diastolic pressure always。
(4) after measurement terminates, taking off cuff 4, extruding drains air, closes the vent valve 31 of gas transmission ball 3, after folding, gas transmission ball 3 and cuff 4 is put into receiver 6。Then by pressure measurement structure 1 to liquid storage tank 2 lopsidedness, make water total reflux in liquid storage tank 2, finally close choked flow switch 14, rotate the entire upper receiver 6 of lid 61。
In sum, this utility model non-hydrargyrum sphygmomanometer, under ensureing premise portable and easy to use, instead of the hydrargyrum of severe toxicity with non-toxic aq, not only do not result in environmental pollution, and manufacturing cost is lower。So, this utility model effectively overcomes practical problems more of the prior art thus having significantly high use value and dissemination。
Above-mentioned embodiment only illustrative principle of the present utility model and effect thereof, not for restriction this utility model。This utility model also has many aspects can improve under the premise of overall thought, all under spirit of the present utility model and category, above-described embodiment can be modified or change for those skilled in the art。Therefore, art has all equivalence modification or changes that usually intellectual completes under the spirit disclosed without departing from this utility model with technological thought such as, must be contained by claim of the present utility model。
Claims (9)
1. a non-hydrargyrum sphygmomanometer, including pressure measurement structure (1), liquid storage tank (2), gas transmission ball (3) and cuff (4), described liquid storage tank (2) and gas transmission ball (3) are respectively through trachea (51, 52) it is connected with cuff (4), described pressure measurement structure (1) includes transparent tube (12) and scale (13), there is in transparent tube (12) through hole (121) along its length, it is characterized in that: described pressure measurement structure (1) also includes an air storage chamber (11), described air storage chamber (11) connects with the upper end of described through hole (121), the lower end of through hole (121) connects with liquid storage tank (2), the area of described through hole (121) cross section is gradually increased from top to bottom, equipped with non-toxic aq in described liquid storage tank (2)。
2. non-hydrargyrum sphygmomanometer according to claim 1, it is characterised in that: described air storage chamber (11) is provided with the governor motion (111) of volume adjusted。
3. non-hydrargyrum sphygmomanometer according to claim 1, it is characterised in that: described air storage chamber (11) is provided with breather valve (122), and described breather valve (122) can allow described air storage chamber (11) and atmosphere。
4. non-hydrargyrum sphygmomanometer according to claim 1, it is characterised in that: the lower end of described trachea (51) is inserted in liquid storage tank (2) and extends to the bottom of liquid storage tank (2)。
5. non-hydrargyrum sphygmomanometer according to claim 1, it is characterised in that: described gas transmission ball (3) is provided with vent valve (31)。
6. non-hydrargyrum sphygmomanometer according to claim 1, it is characterized in that: also include the receiver (6) of a strip, described receiver (6) is hinged with a lid (61), described pressure measurement structure (1) and liquid storage tank (2) are arranged on described lid (61) inner side, the lower end of described transparent tube (12) and liquid storage tank (2) are close to one end that lid (61) is hinged with receiver (6), and described gas transmission ball (3) and cuff (4) can be placed in receiver (6)。
7. non-hydrargyrum sphygmomanometer according to claim 1, it is characterised in that: described non-toxic aq is mixed with anti-icing fluid。
8. the non-hydrargyrum sphygmomanometer according to claim 1 or 7, it is characterised in that: described non-toxic aq is water or oil。
9. non-hydrargyrum sphygmomanometer according to claim 1, it is characterised in that: it is provided with choked flow switch (14) between lower end and the liquid storage tank (2) of described transparent tube (12)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521103299.XU CN205322319U (en) | 2015-12-25 | 2015-12-25 | Non -mercury sphygmomanometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521103299.XU CN205322319U (en) | 2015-12-25 | 2015-12-25 | Non -mercury sphygmomanometer |
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| CN205322319U true CN205322319U (en) | 2016-06-22 |
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| CN201521103299.XU Active CN205322319U (en) | 2015-12-25 | 2015-12-25 | Non -mercury sphygmomanometer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106913324A (en) * | 2015-12-25 | 2017-07-04 | 上海易拥医疗器械有限公司 | Non-hydrargyrum sphygmomanometer |
| CN109044312A (en) * | 2018-08-30 | 2018-12-21 | 东南大学 | A kind of electronic sphygmomanometer and its blood pressure measuring method based on Korotkoff's Sound |
-
2015
- 2015-12-25 CN CN201521103299.XU patent/CN205322319U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106913324A (en) * | 2015-12-25 | 2017-07-04 | 上海易拥医疗器械有限公司 | Non-hydrargyrum sphygmomanometer |
| CN109044312A (en) * | 2018-08-30 | 2018-12-21 | 东南大学 | A kind of electronic sphygmomanometer and its blood pressure measuring method based on Korotkoff's Sound |
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