CN103110413B

CN103110413B - Classic blood pressure measurement instrument

Info

Publication number: CN103110413B
Application number: CN201310069575.4A
Authority: CN
Inventors: 陈允成
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-03-05
Filing date: 2013-03-05
Publication date: 2014-06-11
Anticipated expiration: 2033-03-05
Also published as: CN103110413A

Abstract

The invention relates to the field of medical measurement instruments, in particular to a classic blood pressure measurement instrument. Limitations of an existing full-automatic electronic blood pressure meter are completely broken, and problems of measurement distortion and the like caused by the fact that mercury of a mercury column blood pressure meter is prone to oxidization, evaporation and leakage are effectively solved. The surface of the blood pressure measurement instrument is inclined, and a mercury column is arranged in the blood pressure measurement instrument along the inclined surface in an inclined mode. The bottom of the mercury column is connected with the bottom of a mercury groove through a pipeline, a mercury control valve is arranged on the pipeline, and the top portion of the mercury column is communicated with a soft bag which contains protective gas. An air pump is communicated with a sleeve belt through an air inlet pipe and an air inlet and outlet, and the air inlet pipe is connected with the mercury groove through the pipeline. The gravity of the mercury column in a mercury column box acts on a contact face of an air outlet, and pressure is produced. With the cooperation of a spherical protrusion, open and close of the air outlet enable the pressure in the sleeve belt to be balanced with the pressure produced by the mercury column, and a blood pressure measurement system of the sleeve belt to a brachial artery is formed in the instrument.

Description

Survey meter of blood pressure

Technical field

The present invention relates to medical measurement instrument field, be specially a kind of survey meter of blood pressure.

Background technology

Traditional blood pressure is in respect of two kinds of mercurial sphygmomanometer and mechanical sphygomanometers: mercurial sphygmomanometer is to carry out Measure blood pressure according to mercury pressure corresponding to Ke Shi sound, and mechanical sphygomanometers are to indicate Measure blood pressure according to indicator corresponding to Ke Shi sound.When these two kinds of sphygomanometers use, will give much attention in stethoscope and pick up Ke Shi sound and visual mercury column or Pressure gauge, to read pressure value, its advantage is that Measure blood pressure is comparatively accurate.

On market, also have semiautomatic electronic digital display survey meter of blood pressure and full-automatic electronic digital display survey meter of blood pressure: semiautomatic electronic digital display survey meter of blood pressure hands extruding ball is inflated to the rubber bag in arm band, open air valve and exit with hand-screw, full-automatic electronic digital display survey meter of blood pressure is inflated to cuff or fingerstall by circuit control air pump, exit by circuit controling electromagnetic valve, the gas pressure vibration that these two kinds of electric sphygmomanometers utilize pressure transducer to detect rubber bag in cuff or fingerstall involves pressure, change the different wave of oscillation of corresponding generation according to cuff or fingerstall rubber bag internal pressure, indirectly ask for systolic pressure and diastolic pressure by central processing unit through computing by certain method, and by liquid crystal display screen display of blood pressure value and pulse value.But no matter obtaining of pressure value, be to use fitting process, rule of three or other method, is all indirectly to obtain after certain mathematical method computing, and Different Individual is had to diversity, sometimes can not obtain accurate blood pressure values.

At present, comparatively popular blood pressure is in respect of two kinds: mercury column sphygmomanometer and arm-type full-automatic electronic sphygomanometer, and the shortcoming of these two kinds of sphygomanometers is as follows:

(1) mercury column sphygmomanometer

1, weight is large, and volume is large, carries inconvenience.

2, manual operation, needs another balloon, the stethoscope of being equipped with.

3, the bad person of audition cannot use.

4, improper use easily causes hydrargyrum spill and leakage, and contaminated environment, impairs one's health.

5, hydrargyrum oxidizable, easily evaporation, cause measured value distortion.

6, be not suitable for the too low person of auscultation volume who causes because of a variety of causes.

7, substantially can only people's auscultation of medical worker, can not share with patient, and what easily cause irresponsible doctor is to be excessively also unfavorable for the universal of relevant medical knowledge.

8, while measurement for a long time, easily cause auscultator's ear impaired, emotional factor also will affect the accurate of measurement result.

9, be easily subject to Environmental Noise Influence.

10, need calibration in a year once, calibration expense is more taller than sphygomanometer buying expenses.

(2) arm-type full-automatic electronic sphygomanometer

1, electric sphygmomanometer adopts oscillographic method to measure, and the computing formula that different enterprises select also has difference, and measurement result easily produces error.Its measuring principle has determined that some can not use its Measure blood pressure, as: the people that pulse is very weak, people, the massive hemorrhage patient etc. of hypopiesia person, malignant hypertension.

2, moved by cuff and the factor such as friction affects.

3, structure is single, can not measure cardiopulmonary, and clinician particularly country doctor uses inconvenience, need separately carry stethoscope.

4, electronic devices and components distortion, is difficult to judge.To the unexpected variation of testee blood pressure, gauger's ungodliness is made qualitative judgement.

Once 5, electronic system is damaged, be difficult for repairing.

6, expensive.

7, measure in a large number or for a long time, error is larger.

8, need calibration in a year once, the expense of calibration is suitable with sphygomanometer procurement price.

Summary of the invention

The object of the present invention is to provide a kind of survey meter of blood pressure, break through the limitation of existing full-automatic electronic sphygomanometer, and effectively solve oxidizable, the easy evaporation of hydrargyrum, easy spill and leakage that mercury column sphygmomanometer exists, cause the problems such as measured value distortion.

Technical scheme of the present invention is:

A kind of survey meter of blood pressure, the surface of this survey meter of blood pressure is inclined surface, mercury column box is obliquely installed in survey meter of blood pressure along inclined surface direction; Mercury cell bottom is linked by pipeline in mercury column box bottom, and hydrargyrum control valve is set on described pipeline, and mercury column box top is communicated with the soft capsule II that protective gas is housed; Inflator pump is communicated with cuff through air inlet pipe I, porting, and air inlet pipe I is connected to mercury cell by pipeline, and ventilating control valve is set on described pipeline; The loop of cuff is connected to one end of bleeder pipe I through porting, bleeder pipe I is provided with gas vent I; Mercury column box is arranged in mercury column box balance sysmte, and the hemisphere jut in mercury column box balance sysmte is corresponding with gas vent I;

In mercury column box, the action of gravity of mercury column is in gas vent I contact surface, thereby generation pressure, under the cooperation of hemisphere jut, the pressure that the switching of gas vent I produces pressure in cuff and mercury column keeps balance, forms " cuff-brachial artery " blood pressure measuring system in instrument internal.

Described survey meter of blood pressure, arrange on survey meter of blood pressure surface: luminous lamp switch, display lamp, interior arrangement fixing button, stethoscope, power supply indicator, blood pressure measurement button, volume adjusting switch, measurement warning light, mercury column box graduation mark, balance dial gauge, arrange in survey meter of blood pressure side: belt, porting, on and off switch, earphone jack arrange in survey meter of blood pressure: mercury column box, body feed tank I, audio amplifier, body feed tank II, grease-box.

Described survey meter of blood pressure, this survey meter of blood pressure comprises: mercury column box, balance vernier knob, porting, blood pressure measurement button, earphone jack, flexible pipe I, soft capsule II, inflator pump, conductor, counterweight code, inflation baffle-box I, gas vent I, half sealing, power supply, charging valve control stick, fixture, ventilating control valve, acoustical-electrical transducer, air inlet pipe I, hydrargyrum control valve, flexible pipe II, mercury cell, inflation baffle-box II, center-pole, bleeder pipe I, the gimbal lever, bleeder pipe II, and concrete structure is as follows:

Inflator pump is connected with inflation baffle-box II by pipeline, and the escape pipe of inflation baffle-box II divides two-way: lead up to air inlet pipe I, be communicated with cuff through porting, described air inlet pipe I is provided with half sealing, makes half sealing two ends generation draught head; Another road is through ventilating control valve, then is connected with inflation baffle-box I, mercury cell, hydrargyrum control valve, bleeder pipe II by pipeline respectively, and bleeder pipe II is communicated with the gas vent II on blood pressure measurement button;

Mercury column box top arranges fixture, is provided with soft capsule II in fixture; Mercury column box top is communicated with soft capsule II by flexible pipe I; The bottom of mercury column box is communicated with mercury cell by pipeline, and hydrargyrum control valve is set on described pipeline, and hydrargyrum control valve connects the bottom of mercury column box by flexible pipe II;

Center-pole and the gimbal lever are cross syndeton, and one end of the gimbal lever is connected with mercury column box by connector, and the other end of the gimbal lever is provided with counterweight code and balance vernier knob; The loop of cuff is connected to one end of bleeder pipe I through porting, bleeder pipe I is provided with gas vent I, and this gas vent I is corresponding with the hemisphere jut on center-pole, and the other end of bleeder pipe I is connected to earphone jack through acoustical-electrical transducer.

Described survey meter of blood pressure, the cuff that porting is used with Measure blood pressure is connected; In the time of Measure blood pressure, porting is as air inlet; Under off working state, porting is as air vent.

Described survey meter of blood pressure, at 260 millimetres of mercury places, mercury column box inwall is provided with two conductors, and two conductors are connected with the both positive and negative polarity of power supply by circuit respectively, and this circuit is provided with display lamp.

Described survey meter of blood pressure, also be provided with mercury column box balance sysmte, mercury column box balance sysmte comprises: interior arrangement fixing button, balance vernier knob, balance dial gauge, counterweight code, gas vent I, connecting rod I, gravity rod, center-pole, pointer, balance adjustment pin, L shaped pressure texture body, support, press rods, hemisphere jut, pointed shape groove, oil filler point, slotted eye, pore, capillary tube, pointed shape projection, tool housing, T shape bar, spring leaf I, baffle plate, the gimbal lever, and concrete structure is as follows:

Mercury column box is connected with gravity rod by connecting rod I, the L shaped pressure texture body that center-pole and press rods are integrated, two frame bottom are fixed, its top is provided with slotted eye, center-pole is through slotted eye, and center-pole and the gimbal lever are cross syndeton, and one end of the gimbal lever connects mercury column box by gravity rod, the other end of the gimbal lever is provided with counterweight code and balance vernier knob, by support, center-pole and coupling part thereof is supported;

Interior arrangement fixing button comprises T shape bar and spring leaf I, and cross bar one end of T shape bar extends the outside of tool housing, and hinged with tool housing; One end of spring leaf I is movable end, and the other end is stiff end; The montant of T shape bar contacts with the movable end of spring leaf I; When use, move cross bar and make the stiff end of montant to spring leaf I; The cross bar other end of T shape bar, to press rods bottom, arranges baffle plate at the opposite side of press rods simultaneously, and internal balance device is fixed;

The side of press rods end is provided with hemisphere jut, the front of press rods end is connected with one end of balance adjustment pin, the other end of balance adjustment pin extends in the annular ring of pointer one end, pointer middle and upper part is installed on axle, be connected by bearing with this axle, the other end of pointer is corresponding with balance dial gauge; On the loop of cuff, be provided with gas vent I, this gas vent I is corresponding with hemisphere jut;

Gimbal lever's length between center-pole and gravity rod is l, and the length of press rods is L, L=2l, gimbal lever's one end height change amplitude be press rods one end hemisphere jut motion change amplitude 1/2nd;

In support, be provided with cavity, the spongy oil sump that holds is set in it, cavity is connected with oil filler point, and oil filler point communicates with grease-box; Slotted eye downside has pore, and spongy holding in oil sump is provided with capillary tube, and capillary tube is connected with pore;

Pointed shape groove is set on center-pole, and the pointed shape projection in the slotted eye of pointed shape groove and support is corresponding, is used in conjunction with;

In work, in the time that the pressure in cuff is greater than the hemisphere jut pressure of press rods, the hemisphere jut of press rods separates with gas vent I, and bleeder pipe I is intrinsic pressure to diminish, and the hemisphere jut of press rods and gas vent I are again closed; In air inlet pipe I, be provided with half sealing, make the area of gas vent I and bleeder pipe I much larger than the area of air inlet pipe I, the area of gas vent I and bleeder pipe I is three times of area of air inlet pipe I, makes in mercury column box hydrargyrum equate with the pressure in cuff because of the pressure that gravity produces at the hemisphere jut of press rods.

Described survey meter of blood pressure, also comprises the headset that can be inserted in earphone jack, and headset comprises: earphone, bearing I, bearing II, headset plug, and concrete structure is as follows:

Headset plug is for being connected with earphone jack, and the wire that connects headset plug is flexibly connected by bearing II with spring foil metal, and spring foil metal is two sections of l ₁, l ₂the v-shaped structure being connected is corresponding with operator's lower jaw; Two sections of l of spring foil metal ₁, l ₂end is respectively by bearing I linking springs sheet metal l ₃, l ₄one end, spring foil metal l ₃, l ₄respectively frames connecting with headphone of the other end; Wherein, l ₁>l ₂>l ₃>l ₄, and l ₁+ l ₄=l ₂+ l ₃.

Described survey meter of blood pressure, also comprise hydrargyrum control system, hydrargyrum control system comprises: hydrargyrum control valve, mercury cell, spacing interlayer, air inlet pipe II, soft capsule I, soft capsule II, pore I, pore II, hydrargyrum, breather, pore III, non-metal board, spring leaf II, guide rod I, spring wire I, bearing III, bearing IV, connecting rod II, piston, cylinder body, air inlet, through hole II, folding shape bar, and concrete structure is as follows:

Mercury cell is the closed structure that is filled with protective gas, mercury cell is divided into upper and lower two parts, between upper and lower two parts, connected by breather, top is arranged with soft capsule I, bottom is divided hydrargyrum is housed, soft capsule I is communicated with ventilating control valve by air inlet pipe II, and lower part is communicated with mercury column box and soft capsule II by hydrargyrum control valve; Being provided with spacing interlayer in the soft capsule I of upper part outside, having pore I on spacing interlayer, make spacing interlayer divide and communicate with top, is air in soft capsule I, in mercury cell, mercury column box and soft capsule II, is protective gas;

Both sides, breather lower end have with mercury cell bottom divides the pore communicating II, breather top is the concave structure of hollow, be provided with pore III in the lower end of concave structure, the upper end of concave structure is communicated with part on mercury cell by pipeline, and the air inlet pipe II end structure that is positioned at mercury cell is consistent with breather pipe structure;

Hydrargyrum in mercury cell, by hydrargyrum control valve, enters mercury column box through flexible pipe II, hydrargyrum control valve is connected with the piston being arranged in cylinder body by connector, and one end of cylinder body has air inlet, is communicated with respectively by this air inlet with ventilating control valve and gas vent II, hydrargyrum control valve bottom is provided with guide rod I, the top of piston is provided with connecting rod II, between the guide rod I of the connecting rod II of top land and hydrargyrum control valve bottom, be connected by folding shape bar, one side of folding shape bar is vertical with the guide rod I of hydrargyrum control valve bottom, the another side of folding shape bar and the connecting rod II of top land are vertical and be connected by bearing III, between the connecting rod II of top land and piston, be connected by bearing IV, in hydrargyrum control valve, be provided with through hole, by rotating hydrargyrum control valve, regulate through hole be connected between pipeline to response, guarantee that piston lifting freely, regulate the Push And Release of hydrargyrum control valve, mounting spring silk I in guide rod I, one end of spring wire I is connected with folding shape bar, one side of hydrargyrum control valve is provided with non-metal board, one end of spring leaf II is fixed on non-metal board, the other end below of spring leaf II arranges conductor on non-metal board, conductor on non-metal board is connected with the two poles of the earth of power supply by wire respectively with spring leaf II, is provided with measurement warning light on described wire, when hydrargyrum control valve is opened, folding shape bar dead spring sheet II, makes spring leaf II and the conductor contact under it, measures warning light and lights,

Wherein, the pressure that the pressure in piston structure and mercury column produce is associated, and ensures that hydrargyrum is in the time being retracted on the pipeline that hydrargyrum control valve is communicated with mercury cell, and hydrargyrum control valve is closed.

Described survey meter of blood pressure, blood pressure measurement button and dependency structure comprise: charging valve control stick, ventilating control valve, opening, spring wire III, pit, gas vent II, spring wire II, button outer wall, guide rod II, spring leaf III, charging valve control stick movable port, button, perpendicular muscle, perps, spring leaf IV, through hole I, and concrete structure is as follows:

Blood pressure measurement button comprises: button, button outer wall, and three pits of button leading flank vertical array, button trailing flank is provided with perpendicular muscle, and button bottom is provided with guide rod II, and the outer sheathed spring wire II of guide rod II, for push-button reset; Button outer wall left surface has gas vent II, button outer wall right flank has charging valve control stick movable port, button outer wall leading flank has the through hole I corresponding with three pits of button leading flank, button outer wall trailing flank has the perps corresponding with the perpendicular muscle of button trailing flank, perpendicular muscle and tool housing clamping; The through hole top of button outer wall is provided with spring leaf IV, and through hole inner side is stretched into and protruded from spring leaf IV one end;

The direction that charging valve control stick moves downward arranges spring leaf III, and charging valve control stick contacts with spring leaf III, power connection; Turn on the power switch, power supply indicator is bright, presses blood pressure measurement button, and gas vent II is closed;

When use, perpendicular muscle in perps, pumps all the time in perps, and does not throw off with tool housing;

Under off working state, ventilating control valve cuts out; When work, press the button, when end, lift button; When button down motion, pit, through through hole, contacts with spring leaf IV, thereby regulates ventilating control valve openings of sizes, further controls the rate of climb of mercury column;

Ventilating control valve is provided with opening, by the angle between opening and pipeline, regulates the aperture of ventilating control valve; Ventilating control valve is connected with charging valve control stick, and on charging valve control stick, mounting spring silk III, lifts at blood pressure measurement button, and in the time of off working state, spring wire III resets ventilating control valve by charging valve control stick, makes ventilating control valve closure.

Described survey meter of blood pressure, also comprise circuit part, circuit part comprises: mercury column box, luminous lamp switch, display lamp, stethoscope, base switch, audio amplifier, on and off switch, power supply indicator, blood pressure measurement button, earphone jack, measurement warning light, inflator pump, conductor, power supply, acoustical-electrical transducer, spring leaf II, illuminating lamp, resistance I, resistance II, wave filter, and composition and the annexation of circuit part are as follows:

Volume adjusting switch is provided with two regulating resistances: resistance I, resistance II, and audio amplifier regulates volume by resistance I, and headset regulates volume by resistance II;

Stethoscope is with buckle and acoustical-electrical transducer, and stethoscopic lower head is base switch, after stethoscope is picked up, and the power-off of inflator pump; Meanwhile, stethoscopic head side is provided with hands by switch, and switch press by starting hands in when hands is positioned at stethoscope and picks up by switch and thumb corresponding position, realizes auscultation and operates;

Positive pole at power supply divides two-way through on and off switch: the first via is through stethoscope, wave filter, earphone jack, resistance II, then presses switch to power cathode through circuit loop, stethoscopic hands; The second tunnel is divided into two branch roads, the first branch road is through base switch, inflator pump, luminous lamp switch, illuminating lamp, again through circuit loop, blood pressure measurement button to power cathode, the second branch road is through base switch, acoustical-electrical transducer, wave filter, resistance I, audio amplifier, then through circuit loop, blood pressure measurement button to power cathode;

Connect respectively the both positive and negative polarity of inflator pump at the two ends of luminous lamp switch, illuminating lamp; At 260 millimetres of mercury places of mercury column box, mercury column box inwall is provided with two conductors, two conductors are connected with the both positive and negative polarity of power supply by circuit respectively, and a conductor is connected by wire with described the first branch road, another conductor through display lamp, circuit loop, blood pressure measurement button to power cathode; Spring leaf II is connected with the both positive and negative polarity of power supply by circuit respectively, and the positive pole of spring leaf II is connected by wire with described the first branch road, and the negative pole of spring leaf II is through measuring warning light, circuit loop, blood pressure measurement button to power cathode; Power supply indicator is connected with the both positive and negative polarity of power supply by circuit respectively, the positive pole of power supply indicator be connected on and off switch, the negative pole of power supply indicator is directly connected back to power cathode.

Advantage of the present invention and beneficial effect are:

1, the present invention measures sensitively, stable, accurately, all can measure because of weak pulse, extremely low, high blood pressure that a variety of causes causes, and measurement result can be used as clinical etiologic diagnosis foundation.

2, the present invention is easy and simple to handle, one by, one lift and complete blood pressure measurement, easy to learn, not only medical worker can use, general family all can be used.

3, blood pressure of the present invention and heart and lung auscultation unification, can Measure blood pressure, can carry out again auscultation, need not additionally attach stethoscope.

4, when the present invention measures for a long time, can reduce labor intensity, alleviate the damage of traditional stethoscope to ear.

5, crowd intensively, available headset auscultation can reduce a riot of sound to the interference of measuring.

6, auscultation volume of the present invention (headset, audio amplifier) is adjustable, both can reduce interference, facilitates again the medical worker of auditory dysesthesia and user to measure.

7, be beneficial to universal relevant medical knowledge.Use audio amplifier auscultation, can make the auscultation process of blood pressure and cardiopulmonary be shared by doctors and patients, can avoid to a certain extent doctor's irresponsibility, can in the process of measuring, popularize again relevant medical knowledge.

8, be suitable for teaching and the consultation of doctors.Use audio amplifier, can be many people's auscultations simultaneously, be convenient to teacher's clinic, be also convenient to the learning and exchange of medical student.If signal is accessed to electronic classroom, can make student jointly carry out like the study as clinical.Several medical workers can measure a patient jointly, and the amount of labour of the consultation of doctors is reduced, and save time, and the associated patient disease information used of holding a consultation is identical.

9, auscultated sound of the present invention device processing after filtering, has removed environment noise and equipment noise, and sound is more clear, adjustable because of volume again, and tiny pathology sound is amplified, and is convenient to auscultation.If use tunable filter, can remove the sound that heart is normally beated, make the faint cardiac murmur of light disease more clear.

10, the present invention is because adopting particular design, and when measurement, hydrargyrum valve is opened automatically, after measurement finishes, can automatically close, and hydrargyrum can not leak, even in measuring process, because of misoperation, hydrargyrum is overflowed outside mercury column, also can not leak.Redesigned mercury cell, hydrargyrum can not evaporate, and can not be oxidized.

11, the principle of the invention is simple, simple in structure, and it is very convenient to safeguard, without regular calibration, can be used as classical blood pressure measurement device other type sphygomanometer is calibrated.

12, the present invention is lightweight, volume is little, easy to carry.

13, price of the present invention is comparatively cheap, is beneficial to universal.

14, the present invention is durable in use, not cracky, and so long as not deliberately destroying, can be due to some improper uses (such as: child plays with, reels etc.), and cause measurement result distortion.

Brief description of the drawings

Fig. 1 is monnolithic case figure of the present invention.In figure, 1 mercury column box; 2 luminous lamp switch; 3 display lamps (red light); 4 interior arrangement fixing buttons; 5 belts; 6 balance vernier knobs; 7 body feed tank I (cuff); 8 enter (row) QI KOU; 9 stethoscopes; 10 audio amplifiers; 11 body feed tank II (headset etc.); 12 grease-boxs; 13 on and off switch; 14 power supply indicators; 15 blood pressure measurement buttons; 16 earphone jack; 17 volume adjusting switches; 18 measure warning light; 19 mercury column box graduation marks; 20 inclined surfaces; 21 balance dial gauges.

Fig. 2 is cut-away view of the present invention.In figure, 1 mercury column box; 6 balance vernier knobs; 8 enter (row) QI KOU; 15 blood pressure measurement buttons; 16 earphone jack; 22 flexible pipe I; 23 soft capsule II (nonelastic); 24 inflator pumps (air inlet has filter air film); 25 conductors; 26 counterweight codes; 27 inflation baffle-box I; 28 gas vent I; 29 half sealings; 30 power supplys; 31 charging valve control sticks; 32 fixtures; 33 ventilating control valves; 34 acoustical-electrical transducers; 35 air inlet pipe I; 36 hydrargyrum control valves; 37 flexible pipe II; 38 mercury cells; 39 inflation baffle-box II; 42 center-poles; 59 bleeder pipe I; 68 gimbal levers; 99 bleeder pipe II.

Fig. 3 (a)-Fig. 3 is (i) mercury column box balance sysmte structural representation of the present invention; Wherein, Fig. 3 (a) is gravity rod and mercury column box connection diagram; Fig. 3 (b) is and the schematic diagram of gravity rod syndeton; Fig. 3 (c) support and L shaped pressure texture body schematic diagram; Fig. 3 (d) is L shaped pressure texture body and cuff deflation mouth schematic diagram; Fig. 3 (e) is rack bore figure; Fig. 3 (f) is support profile; Fig. 3 (g) center-pole partial schematic diagram; Fig. 3 (h) is balance indicating section schematic diagram; Fig. 3 is (i) the position relationship schematic diagram of balance adjustment pin and press rods.In figure, 1 mercury column box; 4 interior arrangement fixing buttons; 6 balance vernier knobs; 21 balance dial gauges; 26 counterweight codes; 28 gas vent I; 40 connecting rod I; 41 gravity rods; 42 center-poles; 43 pointers; 44 balance adjustment pins; 45, L shaped pressure texture body; 46 supports; 47 press rods; 48 hemisphere juts; 49 pointed shape grooves; 50 oil filler points; 51 slotted eyes; 52 pores; 53 capillary tubies; 54 pointed shape projections; 60 tool housings; 61, T shape bar; 62 spring leaf I; 63 baffle plates; 68 gimbal levers.

Fig. 4 is headset structural representation of the present invention.In figure, 55 earphones; 56 bearing I; 57 bearing II; 58 headset plugs.

Fig. 5 (a)-Fig. 5 (c) is hydrargyrum control system structural representation of the present invention; Wherein, Fig. 5 (a) is mercury cell schematic diagram; Fig. 5 (b) is breather schematic diagram; The adjustment structure schematic diagram of Fig. 5 (c) hydrargyrum control valve.In figure, 18 measure warning light; 36 hydrargyrum control valves; 38 mercury cells; 64 spacing interlayers; 65 air inlet pipe II; 66 soft capsule I (nonelastic); 67 pore I; 69 pore II; 70 hydrargyrums; 71 breathers; 72 pore III; 74 non-metal boards; 75 spring leaf II; 76 guide rod I; 77 spring wire I; 78 bearing III; 79 bearing IV; 80 connecting rod II; 81 pistons; 82 cylinder bodies; 83 air inlets; 96 through hole II; 97 folding shape bars.

Fig. 6 (a)-Fig. 6 (d) is blood pressure measurement button of the present invention and dependency structure schematic diagram; Wherein, Fig. 6 (a) is front view; Fig. 6 (b) is schematic internal view; Fig. 6 (c) is button outer wall schematic diagram; Fig. 6 (d) is ventilating control valve schematic diagram.In figure, 15 blood pressure measurement buttons; 31 charging valve control sticks; 33 ventilating control valves; 73 spring wire III; 84 pits; 85 gas vent II; 86 spring wire II; 87 button outer walls; 88 guide rod II; 89 spring leaf III; 90 charging valve control stick movable ports; 91 buttons; 92 perpendicular muscle; 93 perps; 94 spring leaf IV; 95 through hole I; 102 openings.

Fig. 7 is circuit diagram of the present invention.In figure, 1 mercury column box; 2 luminous lamp switch; 3 display lamps (red light); 9 stethoscopes; 10 audio amplifiers; 13 on and off switch; 14 power supply indicators; 15 blood pressure measurement buttons; 16 earphone jack; 18 measure warning light; 24 inflator pumps (air inlet has filter air film); 25 conductors; 30 power supplys; 34 acoustical-electrical transducers; 75 spring leaf II; 98 illuminating lamps (having reflector); 99 resistance I; 100 resistance II; 101 wave filter.

Fig. 8 is one of blood pressure measuring circuit of the present invention schematic diagram.In figure, 1 mercury column box; 2 luminous lamp switch; 3 display lamps (red light); 13 on and off switch; 14 power supply indicators; 15 blood pressure measurement buttons; 18 measure warning light; 24 inflator pumps (air inlet has filter air film); 30 power supplys; 98 illuminating lamps (having reflector).

Fig. 9 is two schematic diagrams of blood pressure measuring circuit of the present invention.In figure, 10 audio amplifiers; 13 on and off switch; 14 power supply indicators; 15 blood pressure measurement buttons; 16 earphone jack; 30 power supplys; 34 acoustical-electrical transducers; 99 resistance I; 100 resistance II; 101 wave filter.

Figure 10 is auscultation circuit diagram of the present invention.In figure, 9 stethoscopes; 10 audio amplifiers; 13 on and off switch; 14 power supply indicators; 15 blood pressure measurement buttons; 16 earphone jack; 30 power supplys; 34 acoustical-electrical transducers; 99 resistance I; 100 resistance II; 101 wave filter.

Detailed description of the invention

As shown in Fig. 1-Fig. 6, the surface of survey meter of blood pressure is inclined surface 20, and mercury column box 1 is obliquely installed in survey meter of blood pressure along inclined surface direction; Mercury cell 38 bottoms are linked by pipeline in mercury column box 1 bottom, and hydrargyrum control valve 36 is set on described pipeline, and mercury column box 1 top is communicated with the soft capsule II 23 that protective gas (as: nitrogen or noble gas etc.) is housed; Inflator pump 24 through air inlet pipe I 35, enter (row) QI KOU 8 and be communicated with cuff, air inlet pipe I 35 is connected to mercury cell 38 by pipeline, and ventilating control valve 33 is set on described pipeline.The loop of cuff is connected to one end of bleeder pipe I 59 through entering (row) QI KOU 8, bleeder pipe I 59 is provided with gas vent I 28; Mercury column box 1 is arranged in mercury column box balance sysmte, and the hemisphere jut 48 in mercury column box balance sysmte is corresponding with gas vent I 28.In mercury column box, the action of gravity of mercury column is in gas vent I 28 contact surfaces, thereby generation pressure, under the cooperation of hemisphere jut 48, the pressure that the switching of gas vent I 28 produces pressure in cuff and mercury column keeps balance, forms " cuff-brachial artery " blood pressure measuring system in instrument internal.

Arrange on survey meter of blood pressure surface: luminous lamp switch 2, display lamp (red light) 3, interior arrangement fixing button 4, stethoscope 9, power supply indicator 14, blood pressure measurement button 15, volume adjusting switch 17, measurement warning light 18, mercury column box graduation mark 19, balance dial gauge 21, arrange in survey meter of blood pressure side: belt 5, enter (row) QI KOU 8, on and off switch 13, earphone jack 16, in survey meter of blood pressure, arrange: mercury column box 1, body feed tank I (cuff) 7, audio amplifier 10, body feed tank II (headset etc.) 11, grease-box 12.Balance vernier knob 6 is by the left side wall of body feed tank I 7, and protrude from this left side wall in the recessed groove of instrument internal.

Wherein:

Luminous lamp switch 2 is connected by wire with illuminating lamp, plays illuminating effect.The cuff using while Measure blood pressure being housed in body feed tank I 7, is equipped with headset etc. in body feed tank II (headset etc.) 11.Mercury column box graduation mark 19 is 0-300 millimetres of mercury, 0.8 millimeter of every little lattice.Stethoscope 9 is with buckle and acoustical-electrical transducer, and the lower head of stethoscope 9 is base switch, after stethoscope 9 is picked up, and the power-off of inflator pump 24; Meanwhile, the head side of stethoscope 9 is provided with hands by switch, and switch press by starting hands in when hands is positioned at stethoscope 9 and picks up by switch and thumb corresponding position, realizes auscultation and operates.

As shown in Figure 2, the classical survey meter of blood pressure of the present invention mainly comprises: mercury column box 1, balance vernier knob 6, enter (row) QI KOU 8, blood pressure measurement button 15, earphone jack 16, flexible pipe I 22, soft capsule II 23, inflator pump (air inlet has filter air film) 24, conductor 25, counterweight code 26, inflation baffle-box I 27, gas vent I 28, partly seal 29, power supply 30, charging valve control stick 31, fixture 32, ventilating control valve 33, acoustical-electrical transducer 34, air inlet pipe I 35, hydrargyrum control valve 36, flexible pipe II 37, mercury cell 38, inflation baffle-box II 39, center-pole 42, bleeder pipe I 59, the gimbal lever 68, bleeder pipe II 99 etc., concrete structure is as follows:

Inflator pump 24 is connected with inflation baffle-box II 39 by pipeline, the escape pipe of inflation baffle-box II 39 divides two-way: lead up to air inlet pipe I 35, be communicated with cuff through entering (row) QI KOU 8, described air inlet pipe I 35 is provided with half sealing 29, makes half sealing 29 two ends produce draught head; Another road is through ventilating control valve 33, then is connected with inflation baffle-box I 27, mercury cell 38, hydrargyrum control valve 36, bleeder pipe II 99 by pipeline respectively, and bleeder pipe II 99 is communicated with the gas vent II 85 on blood pressure measurement button 15, sees Fig. 5 (a); Two inflation baffle-boxs: inflation baffle-box I 27 and inflation baffle-box II 39, can make the air pressure that is derived from inflator pump steadily rise.

The air inlet of inflator pump 24 has filter air film, makes gas purer; In the time of work, air inlet pipe I 35 is inflated; In the time of end-of-job, bleeder pipe I 59 is exitted;

Mercury column box 1 top arranges fixture 32, is provided with soft capsule II 23 in fixture 32.Mercury column box 1 top is communicated with soft capsule II 23 by flexible pipe I 22, makes mercury column box inside be full of protective gas, can prevent that hydrargyrum from overflowing and evaporating.The bottom of mercury column box 1 is communicated with mercury cell by pipeline, and hydrargyrum control valve 36 is set on described pipeline, and hydrargyrum control valve 36 connects the bottom of mercury column box 1 by flexible pipe II 37.

Center-pole 42 is cross syndeton with the gimbal lever 68, and one end of the gimbal lever 68 is connected with mercury column box 1 by connector, and the other end of the gimbal lever 68 is provided with counterweight code 26 and balance vernier knob 6; The loop of cuff is connected to one end of bleeder pipe I 59 through entering (row) QI KOU 8, bleeder pipe I 59 is provided with gas vent I 28, gas vent I 28(gas vent has fixing cross-sectional area), this gas vent I 28 is corresponding with the hemisphere jut 48 on center-pole 42, sees Fig. 3 (b); The other end of bleeder pipe I 59 is connected to earphone jack 16 through acoustical-electrical transducer 34.

Wherein, entering the cuff that (row) QI KOU 8 uses with Measure blood pressure is connected.In the time of Measure blood pressure, enter (row) QI KOU 8 as air inlet; Under off working state, enter (row) QI KOU 8 as air vent.

At 260 millimetres of mercury places, mercury column box 1 inwall is provided with 25, two conductors 25 of two conductors and is connected with the both positive and negative polarity of power supply 30 by circuit respectively, and this circuit is provided with display lamp 3.When hydrargyrum rises to 260 millimetress of mercury when above, both positive and negative polarity is connected, and display lamp 3 is bright, and prompting operation person notes, reduces the possibility of operate miss.

As Fig. 3 (a)-Fig. 3 (i) as shown in, mercury column box balance sysmte of the present invention mainly comprises: mercury column box 1, interior arrangement fixing button 4, balance vernier knob 6, balance dial gauge 21, counterweight code 26, gas vent I 28, connecting rod I 40, gravity rod 41, center-pole 42, pointer 43, balance adjustment pin 44, L shaped pressure texture body 45, support 46, press rods 47, hemisphere jut 48, pointed shape groove 49, oil filler point 50, slotted eye 51, pore 52, capillary tube 53, pointed shape projection 54, tool housing 60, T shape bar 61, spring leaf I 62, baffle plate 63, the gimbal lever 68 etc., concrete structure is as follows:

Mercury column box 1 is connected with gravity rod 41 by connecting rod I 40, the L shaped pressure texture body 45 that center-pole 42 and press rods 47 are integrated, two support 46 bottoms are fixed, its top is provided with slotted eye 51, center-pole 42 is through slotted eye 51, center-pole 42 is cross syndeton with the gimbal lever 68, one end of the gimbal lever 68 connects mercury column box 1 by gravity rod 41, the other end of the gimbal lever 68 is provided with counterweight code 26 and balance vernier knob 6, by support 46 by the supporting of center-pole 42 and coupling part thereof, balance that can regulating system by balance vernier knob 6.

As shown in Fig. 3 (d), interior arrangement fixing button 4 comprises T shape bar 61 and spring leaf I 62, and cross bar one end of T shape bar 61 extends the outside of tool housing 60, and hinged with tool housing 60, convenient operation; One end of spring leaf I 62 is movable end, and the other end is stiff end; The montant of T shape bar 61 contacts with the movable end of spring leaf I 62.When use, move cross bar and make the stiff end of montant to spring leaf I 62.The cross bar other end of T shape bar 61 is to press rods 47 bottoms, at the opposite side of press rods 47, baffle plate 63 is set simultaneously, and internal balance device is fixed, prevent because of vibrations etc. outer thereby impaired.

The side of press rods 47 ends is provided with hemisphere jut 48, the front of press rods 47 ends is connected with one end of balance adjustment pin 44, the other end of balance adjustment pin 44 extends in the annular ring of pointer 43 one end, pointer 43 middle and upper parts are installed on axle, be connected by bearing with this axle, the other end of pointer 43 is corresponding with balance dial gauge 21, is used to indicate balanced degree.On the loop of cuff, be provided with gas vent I 28(gas vent and have fixing cross-sectional area), this gas vent I 28 is corresponding with hemisphere jut 48.

As shown in Figure 3 (b), the gimbal lever's 68 length between center-pole 42 and gravity rod 41 are l, and the length of press rods 47 is L, L=2l, thereby the gimbal lever's 68 one end height change amplitudes be press rods 47 one end hemisphere juts 48 motion change amplitude 1/2nd.

As shown in Fig. 3 (e), in support 46, be provided with cavity, the spongy oil sump that holds is set in it, cavity is connected with oil filler point 50, and oil filler point 50 communicates with grease-box 12, for dosing lubricating oil; Slotted eye 51 downsides have pore 52, and spongy holding in oil sump is provided with capillary tube 53, and capillary tube 53 is connected with pore 52, ensure the effectively lubricating of center-pole 42.

As shown in Fig. 3 (f)-Fig. 3 (g), pointed shape groove 49 is set on center-pole 42, and the pointed shape projection 54 in the slotted eye 51 of pointed shape groove 49 and support 46 is corresponding, is used in conjunction with, can effectively prevent moving axially of center-pole 42, ensure that center-pole 42 radially wobbles under external force.

When work, in the time that the pressure in cuff is greater than hemisphere jut 48 pressure of press rods 47, the hemisphere jut 48 of press rods 47 separates with gas vent I 28, and bleeder pipe I 59 is intrinsic pressure to diminish, and the hemisphere jut 48 of press rods 47 is again closed with gas vent I 28.Owing to being provided with half sealing 29 in air inlet pipe I 35, thereby make the area of gas vent I 28 and bleeder pipe I 59 much larger than the area of air inlet pipe I 35, the area of gas vent I 28 and bleeder pipe I 59 is three times of left and right of the area of air inlet pipe I 35.Thereby, make hydrargyrum in mercury column box 1 because the pressure that gravity produces at the hemisphere jut 48 of press rods 47 equates with the pressure in cuff, reach the object of Measure blood pressure.

As shown in Figure 4, headset of the present invention mainly comprises: earphone 55, bearing I 56, bearing II 57, headset plug 58 etc., and concrete structure is as follows:

Headset plug 58 is for being connected with earphone jack 16, and the wire that connects headset plug 58 is flexibly connected by bearing II 57 with spring foil metal, and spring foil metal is two sections of l ₁, l ₂the v-shaped structure being connected is corresponding with operator's lower jaw; Two sections of l of spring foil metal ₁, l ₂end is respectively by bearing I 56 linking springs sheet metal l ₃, l ₄one end, spring foil metal l ₃, l ₄respectively frames connecting with headphone 55 of the other end.Wherein, l ₁>l ₂>l ₃>l ₄, and l ₁+ l ₄=l ₂+ l ₃, such structural design is applicable to wearing very much, convenient operation.

As shown in Fig. 5 (a)-Fig. 5 (c), hydrargyrum control system of the present invention mainly comprises: hydrargyrum control valve 36, mercury cell 38, spacing interlayer 64, air inlet pipe II 65, soft capsule I 66, soft capsule II 23, pore I 67, pore II 69, hydrargyrum 70, breather 71, pore III 72, non-metal board 74, spring leaf II 75, guide rod I 76, spring wire I 77, bearing III 78, bearing IV 79, connecting rod II 80, piston 81, cylinder body 82, air inlet 83, through hole II 96, folding shape bar 97 etc., and concrete structure is as follows:

As shown in Fig. 5 (a); mercury cell 38 is for being filled with the closed structure of protective gas; mercury cell 38 is divided into upper and lower two parts; between upper and lower two parts, connected by breather 71; top is arranged with soft capsule I 66; bottom is divided hydrargyrum 70 is housed, and soft capsule I 66 is communicated with ventilating control valve 33 by air inlet pipe II 65, and lower part is communicated with mercury column box 1 and soft capsule II 23 by hydrargyrum control valve 36.In addition, be provided with spacing interlayer 64 in the soft capsule I of upper part 66 outsides, on spacing interlayer 64, have pore I 67, make spacing interlayer 64 divide and communicate with top, the effect of spacing interlayer 64 is the excessive expansions that prevent soft capsule I 66.In soft capsule I 66, being air, is protective gas in mercury cell 38, mercury column box 1 and soft capsule II 23.

As shown in Fig. 5 (a)-Fig. 5 (b), breather 71 both sides, lower end have with mercury cell 38 bottoms divides the pore II 69 communicating, the concave structure that breather 71 tops are hollow, be provided with pore III 72 in the lower end of concave structure, the upper end of concave structure is communicated with part on mercury cell 38 by pipeline, and the diameter range of described pore (pore I 67, pore II 69 and pore III 72) is at 0.5-1 millimeter.In addition, be positioned at air inlet pipe II 65 end structures of mercury cell 38 consistent with breather 71 structures.

As shown in Fig. 5 (a)-Fig. 5 (c), the hydrargyrum 70 in mercury cell 38, by hydrargyrum control valve 36, enters mercury column box 1 through flexible pipe II 37; Hydrargyrum control valve 36 is connected with the piston 81 being arranged in cylinder body 82 by connector, and one end of cylinder body 82 has air inlet 83, is communicated with respectively by this air inlet 83 with ventilating control valve 33 and gas vent II 85.Hydrargyrum control valve 36 bottoms are provided with guide rod I 76, the top of piston 81 is provided with connecting rod II 80, between the guide rod I 76 of the connecting rod II 80 at piston 81 tops and hydrargyrum control valve 36 bottoms, be connected by folding shape bar 97, one side of folding shape bar 97 is vertical with the guide rod I 76 of hydrargyrum control valve 36 bottoms, the another side of folding shape bar 97 and the connecting rod II 80 at piston 81 tops are vertical and be connected by bearing III 78, between the connecting rod II 80 at piston 81 tops and piston 81, be connected by bearing IV 79, in hydrargyrum control valve 36, be provided with through hole, by rotating hydrargyrum control valve 36, scalable through hole be connected between pipeline to response.Like this, can guarantee piston 81 liftings freely, regulate the Push And Release of hydrargyrum control valve 36.Mounting spring silk I 77 in guide rod I 76, one end of spring wire I 77 is connected with folding shape bar 97, plays the effect that doubling shape bar 97 resets.One side of hydrargyrum control valve 36 is provided with non-metal board 74, one end of spring leaf II 75 is fixed on non-metal board 74, the other end below of spring leaf II 75 arranges conductor on non-metal board 74, conductor on non-metal board 74 is connected with the two poles of the earth of power supply 30 by wire respectively with spring leaf II 75, is provided with and measures warning light 18 on described wire.When hydrargyrum control valve 36 is opened, folding shape bar 97 dead spring sheet II 75, make spring leaf II 75 and the conductor contact under it, measure warning light 18 and light.

Wherein, the pressure that the pressure in piston 81 structures and mercury column produce is associated, and ensures that hydrargyrum is in the time being retracted on the pipeline that hydrargyrum control valve 36 is communicated with mercury cell 38, and hydrargyrum control valve 36 is closed.

As shown in Fig. 6 (a)-Fig. 6 (d), blood pressure measurement button of the present invention and dependency structure comprise: charging valve control stick 31, ventilating control valve 33, opening 102, spring wire III 73, pit 84, gas vent II 85, spring wire II 86, button outer wall 87, guide rod II 88, spring leaf III 89, charging valve control stick movable port 90, button 91, perpendicular muscle 92, perps 93, spring leaf IV 94, through hole I 95 etc., and concrete structure is as follows:

Blood pressure measurement button 15 comprises: button 91, button outer wall 87, and three pits 84 of button 91 leading flank vertical array, button 91 trailing flanks are provided with perpendicular muscle 92, and button 91 bottoms are provided with guide rod II 88, and the outer sheathed spring wire II 86 of guide rod II 88, resets for button 91; Button outer wall 87 left surfaces have gas vent II 85, button outer wall 87 right flanks have charging valve control stick movable port 90, button outer wall 87 leading flanks have the through hole I 95 corresponding with three pits 84 of button 91 leading flank, button outer wall 87 trailing flanks have the perps 93 corresponding with the perpendicular muscle 92 of button trailing flank, perpendicular muscle 92 and tool housing 60 clampings; The through hole top of button outer wall 87 is provided with spring leaf IV 94, and through hole inner side is stretched into and protruded from spring leaf IV 94 one end.

The direction that charging valve control stick 31 moves downward arranges spring leaf III 89, and charging valve control stick 31 contacts with spring leaf III 89, and power supply 30 is connected.Turn on the power switch 13, power supply indicator 14 is bright, presses blood pressure measurement button 15, and gas vent II 85 is closed.

When use, perpendicular muscle 92 in perps 93, pumps, and can not throw off with tool housing 60 all the time in perps 93.

Under off working state, ventilating control valve 33 cuts out; When work, press the button 91, when end, lift button 91; When button 91 moves downward, pit 84, through through hole, can contact with spring leaf IV 94, thereby regulates opening 102 sizes of ventilating control valve 33, further controls the rate of climb of mercury column.

As shown in Fig. 6 (d), ventilating control valve 33 is provided with opening 102, by the angle between opening 102 and pipeline, regulates the aperture of ventilating control valve 33; Ventilating control valve 33 is connected with charging valve control stick 31, on charging valve control stick 31, mounting spring silk III 73, lifts at blood pressure measurement button 15, in the time of off working state, spring wire III 73 resets ventilating control valve 33 by charging valve control stick 31, makes ventilating control valve 33 closures.

As shown in Figure 7, circuit part of the present invention mainly comprises: mercury column box 1, luminous lamp switch 2, display lamp 3, stethoscope 9, audio amplifier 10, on and off switch 13, power supply indicator 14, blood pressure measurement button 15, earphone jack 16, measurement warning light 18, inflator pump 24, conductor 25, power supply 30, acoustical-electrical transducer 34, spring leaf II 75, illuminating lamp (having reflector) 98, resistance I 99, resistance II 100, wave filter 101 etc.

As shown in Figure 8, one of blood pressure measuring circuit of the present invention mainly comprises: mercury column box 1, luminous lamp switch 2, display lamp 3, on and off switch 13, power supply indicator 14, blood pressure measurement button 15, measurement warning light 18, inflator pump 24, power supply 30, illuminating lamp 98 etc.

As shown in Figure 9, two of blood pressure measuring circuit of the present invention mainly comprise: audio amplifier 10, on and off switch 13, power supply indicator 14, blood pressure measurement button 15, earphone jack 16, power supply 30, acoustical-electrical transducer 34, resistance I 99, resistance II 100, wave filter 101 etc.

As shown in figure 10, auscultation main circuit of the present invention will comprise: stethoscope 9, audio amplifier 10, on and off switch 13, power supply indicator 14, earphone jack 16, power supply 30, acoustical-electrical transducer 34, resistance I 99, resistance II 100, wave filter 101 etc.

As shown in Fig. 7-Figure 10, composition and the annexation of circuit part of the present invention are as follows:

Volume adjusting switch 17 is provided with two regulating resistances: resistance I 99, resistance II 100, and audio amplifier 10 regulates volume by resistance I 99, and headset regulates volume by resistance II 100.

At the positive pole of power supply 30 through 13 points of two-way of on and off switch: the first via is pressed acoustical-electrical transducer in switch, stethoscope through stethoscope 9(hands), wave filter 101, earphone jack 16, resistance II 100, then press switch to power cathode through circuit loop, stethoscopic hands; The second tunnel is divided into two branch roads, the first branch road is through base switch, inflator pump 24, luminous lamp switch 2, illuminating lamp 98, again through circuit loop, blood pressure measurement button 15 to power cathode, the second branch road is through base switch, acoustical-electrical transducer 34, wave filter 101, resistance I 99, audio amplifier 10, then through circuit loop, blood pressure measurement button 15 to power cathode.

In addition, connect respectively the both positive and negative polarity of inflator pump 24 at the two ends of luminous lamp switch 2, illuminating lamp 98.At 260 millimetres of mercury places of mercury column box 1, mercury column box 1 inwall is provided with two conductors 25, two conductors 25 are connected with the both positive and negative polarity of power supply 30 by circuit respectively, a conductor is connected by wire with described the first branch road, another conductor through display lamp 3, circuit loop, blood pressure measurement button 15 to power cathode.Spring leaf II 75 is connected with the both positive and negative polarity of power supply 30 by circuit respectively, and the positive pole of spring leaf II 75 is connected by wire with described the first branch road, and the negative pole of spring leaf II 75 is through measuring warning light 18, circuit loop, blood pressure measurement button 15 to power cathode.Power supply indicator 14 is connected with the both positive and negative polarity of power supply 30 by circuit respectively, and the positive pole of power supply indicator 14 connects on and off switch 13, and the negative pole of power supply indicator 14 is directly connected back to power cathode.

Below, circuit part is described as follows:

1, in practical work, the measurement of blood pressure and the auscultation of cardiopulmonary can not be carried out simultaneously, therefore in the time carrying out a wherein detection, another detects circuit used necessarily in closed condition.

2, output circuit (diagram positive source) can, to several electronic equipments power supplies, be respectively: inflator pump 24, illuminating lamp 98, display lamp 3, measurement warning light 18, acoustical-electrical transducer 34, wave filter 101.

3, circuit loop has two-way: a road is to get back to power cathode through blood pressure measurement button 15, and now charging valve control stick 31 contacts with the spring leaf III 89 under it, and loop is connected; Another road is to press switch through stethoscope 9 side handss directly to get back to power supply 30 negative poles without blood pressure measurement button 15.

4, audio amplifier 10 and headset divide two resistance with volume adjusting switch 17: resistance I 99, resistance II 100.

5, the switch of stethoscope head below adopts the mode of fixed line phone, inflator pump power-off while picking up stethoscope, and inflator pump power connection while putting down stethoscope, the hands at stethoscope thumb place is controlled two-way circuit by switch simultaneously:

One tunnel is: positive source → on and off switch → stethoscope side hands is by acoustical-electrical transducer → wave filter in switch → stethoscope.

Another road is: circuit loop (now blood pressure measurement button 15 cuts out) → stethoscope side hands is by switch → power cathode.

6, blood pressure measurement inflator pump 24(illuminating lamp 98, display lamp 3, measure warning light 18) circuit running orbit be: positive source → on and off switch → base switch → inflator pump 24(illuminating lamp 98, display lamp 3, measure warning light 18) → circuit loop → blood pressure measurement button 15 → power cathode.

7, the circuit trace of blood pressure measurement headset (audio amplifier 10) is: positive source → on and off switch → base switch → acoustical-electrical transducer 34 → wave filter 101 → earphone jack 16 → headset is (while using audio amplifier 10, circuit is without headset) → volume adjusting switch 17 → circuit loop (when the audio amplifier 10, circuit is without headset but through volume adjusting switch 17 and audio amplifier 10 to circuit loop) → blood pressure measurement button 15 → power cathode.

8, the circuit trace of heart and lung auscultation is: positive source → on and off switch → hands is by acoustical-electrical transducer → wave filter → earphone jack 16 → headset in switch → stethoscope (during with audio amplifier 10, circuit is without headset) → volume adjusting switch 17 → circuit loop (when the audio amplifier 10, circuit is without headset but through volume adjusting switch 17 and audio amplifier 10 to circuit loop) → stethoscope hands presses switch → power cathode.

9, when blood pressure measurement, open illuminating lamp 98 switches (have a power failure night, the situation such as cloudy day under), illuminating lamp 98 is bright; Measure and finish, illuminating lamp 98 goes out.

When blood pressure measurement, after hydrargyrum control valve 36 is opened, measure warning light 18 bright; Measure and finish, measure warning light 18 and go out.

When blood pressure measurement, when mercury column arrives 260 millimetress of mercury (as far as possible preventing operate miss), display lamp 3 is bright; While dropping to below 260 millimetress of mercury, display lamp 3 goes out.

On and off switch 13 is opened, and power supply indicator 14 is bright; On and off switch 13 is closed, and power supply indicator 14 goes out.

10,, when on and off switch 13 is in opening, if do not measure, except power supply indicator 14 consumes slight electric weight, other electronic equipments does not consume any electric weight.

Blood pressure measurement principle of the present invention is as follows:

The action of gravity of plane mercury column (cube cylinder) is in contact surface (cuff deflation mouth), thereby generation pressure, the pressure (readable) that the switching of air valve produces pressure in cuff and mercury column keeps balance, objectively instrument internal imagineering " cuff-brachial artery " system.

Measuring method of the present invention and step are as follows:

1, method

Auscultation (Ke Shi sound method), listens to or audio amplifier directly broadcasts with headset.

2, step

Blood pressure measurement: turn on the power switch → twined cuff → press the operation button → listen to diastolic pressure and systolic pressure → lift button → end.

Heart and lung auscultation: turn on the power switch → mention stethoscope → be put into auscultation position and press stethoscope shift knob simultaneously and start auscultation (headset or audio amplifier) → fetch stethoscope → put back to support → end.

Result shows, the present invention has following features:

1, hydrargyrum control system is owing to having adopted unique structural design, and the inside is filled with protective gas by soft capsule II, and protective gas can not be directly and hydrargyrum generation chemical reaction, therefore hydrargyrum can not be oxidized.

2, hydrargyrum is in hydrargyrum control system all the time, at the beginning of using, have micro-vaporized mercury, the hydrargyrum of evaporation can condense in soft capsule and mercury column box inner surface, and the hydrargyrum condensing at inner surface also can natural evaporation, this can form micro-" liquid state-gaseous state " mercury-balance in hydrargyrum control system.

, can there is not hydrargyrum spill and leakage in 3, hydrargyrum valve automatic open-close.

4, because of a variety of causes (such as child plays with); instrument is tilted to the hydrargyrum outlet offside of mercury cell; hydrargyrum can not normally be flowed out; on the contrary the protective gas in mercury cell is pressed in mercury column box; this can not affect the use of instrument; decontrol after button, nature can recover normal condition, mercury cell and the mercury column box protective gas balance sysmte that also partners.

5, in measuring process, because of unexpected, instrument is fallen, if do not cause badly damagedly, also can not affect the performance of instrument, because falling when, button also can be decontroled.

Claims

1. a survey meter of blood pressure, is characterized in that: the surface of this survey meter of blood pressure is inclined surface, and mercury column box is obliquely installed in survey meter of blood pressure along inclined surface direction; Mercury cell bottom is linked by pipeline in mercury column box bottom, and hydrargyrum control valve is set on described pipeline, and mercury column box top is communicated with the soft capsule II that protective gas is housed; Inflator pump is communicated with cuff through air inlet pipe I, porting, and air inlet pipe I is connected to mercury cell by pipeline, and ventilating control valve is set on described pipeline; The loop of cuff is connected to one end of bleeder pipe I through porting, bleeder pipe I is provided with gas vent I; Mercury column box is arranged in mercury column box balance sysmte, and the hemisphere jut in mercury column box balance sysmte is corresponding with gas vent I;

2. according to survey meter of blood pressure claimed in claim 1, it is characterized in that: arrange on survey meter of blood pressure surface: luminous lamp switch, display lamp, interior arrangement fixing button, stethoscope, power supply indicator, blood pressure measurement button, volume adjusting switch, measurement warning light, mercury column box graduation mark, balance dial gauge, arrange in survey meter of blood pressure side: belt, porting, on and off switch, earphone jack arrange in survey meter of blood pressure: mercury column box, body feed tank I, audio amplifier, body feed tank II, grease-box.

3. according to survey meter of blood pressure claimed in claim 1, it is characterized in that: this survey meter of blood pressure comprises: mercury column box, balance vernier knob, porting, blood pressure measurement button, earphone jack, flexible pipe I, soft capsule II, inflator pump, conductor, counterweight code, inflation baffle-box I, gas vent I, half sealing, power supply, charging valve control stick, fixture, ventilating control valve, acoustical-electrical transducer, air inlet pipe I, hydrargyrum control valve, flexible pipe II, mercury cell, inflation baffle-box II, center-pole, bleeder pipe I, the gimbal lever, bleeder pipe II, concrete structure is as follows:

4. according to survey meter of blood pressure claimed in claim 3, it is characterized in that: the cuff that porting is used with Measure blood pressure is connected; In the time of Measure blood pressure, porting is as air inlet; Under off working state, porting is as air vent.

5. according to the survey meter of blood pressure described in claim 1 or 3, it is characterized in that: at 260 millimetres of mercury places, mercury column box inwall is provided with two conductors, two conductors are connected with the both positive and negative polarity of power supply by circuit respectively, and this circuit is provided with display lamp.

6. according to the survey meter of blood pressure described in claim 1 or 3, it is characterized in that: be also provided with mercury column box balance sysmte, mercury column box balance sysmte comprises: interior arrangement fixing button, balance vernier knob, balance dial gauge, counterweight code, gas vent I, connecting rod I, gravity rod, center-pole, pointer, balance adjustment pin, L shaped pressure texture body, support, press rods, hemisphere jut, pointed shape groove, oil filler point, slotted eye, pore, capillary tube, pointed shape projection, tool housing, T shape bar, spring leaf I, baffle plate, the gimbal lever, and concrete structure is as follows:

In work, in the time that the pressure in cuff is greater than the hemisphere jut pressure of press rods, the hemisphere jut of press rods separates with gas vent I, and bleeder pipe I is intrinsic pressure to diminish, and the hemisphere jut of press rods and gas vent I are again closed; In air inlet pipe I, be provided with half sealing, the area that makes gas vent I and bleeder pipe I is three times of area of air inlet pipe I, makes in mercury column box hydrargyrum equate with the pressure in cuff because of the pressure that gravity produces at the hemisphere jut of press rods.

7. according to the survey meter of blood pressure described in claim 1 or 3, it is characterized in that: also comprise the headset that can be inserted in earphone jack, headset comprises: earphone, bearing I, bearing II, headset plug, concrete structure is as follows:

Headset plug is for being connected with earphone jack, and the wire that connects headset plug is flexibly connected by bearing II with spring foil metal, and spring foil metal is two sections of l ₁, l ₂the v-shaped structure being connected is corresponding with operator's lower jaw; Two sections of l of spring foil metal ₁, l ₂end is respectively by bearing I linking springs sheet metal l ₃, l ₄one end, spring foil metal l ₃, l ₄respectively frames connecting with headphone of the other end.

8. according to the survey meter of blood pressure described in claim 1 or 3, it is characterized in that: also comprise hydrargyrum control system, hydrargyrum control system comprises: hydrargyrum control valve, mercury cell, spacing interlayer, air inlet pipe II, soft capsule I, soft capsule II, pore I, pore II, hydrargyrum, breather, pore III, non-metal board, spring leaf II, guide rod I, spring wire I, bearing III, bearing IV, connecting rod II, piston, cylinder body, air inlet, through hole II, folding shape bar, and concrete structure is as follows:

9. according to the survey meter of blood pressure described in claim 2 or 3, it is characterized in that: blood pressure measurement button and dependency structure comprise: charging valve control stick, ventilating control valve, opening, spring wire III, pit, gas vent II, spring wire II, button outer wall, guide rod II, spring leaf III, charging valve control stick movable port, button, perpendicular muscle, perps, spring leaf IV, through hole I, concrete structure is as follows:

10. according to the survey meter of blood pressure described in claim 1 or 3, it is characterized in that: also comprise circuit part, circuit part comprises: mercury column box, luminous lamp switch, display lamp, stethoscope, base switch, audio amplifier, on and off switch, power supply indicator, blood pressure measurement button, earphone jack, measurement warning light, inflator pump, conductor, power supply, acoustical-electrical transducer, spring leaf II, illuminating lamp, resistance I, resistance II, wave filter, and composition and the annexation of circuit part are as follows: