CN2566857Y - Instrument for aspirating mucus of new-born - Google Patents
Instrument for aspirating mucus of new-born Download PDFInfo
- Publication number
- CN2566857Y CN2566857Y CN 01274578 CN01274578U CN2566857Y CN 2566857 Y CN2566857 Y CN 2566857Y CN 01274578 CN01274578 CN 01274578 CN 01274578 U CN01274578 U CN 01274578U CN 2566857 Y CN2566857 Y CN 2566857Y
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- Prior art keywords
- negative pressure
- neonate
- mucus
- instrument
- rubber
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- Expired - Fee Related
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Abstract
The utility model relates to an instrument for aspirating mucus for newborn, which is used for aspirating the amniotic fluid and secretion which are in the mouth, the throat, and the trachea of the newborn. The utility model is composed of two parts. A first part is a one-time usage newborn mucus aspirator, which is orderly composed of an aspiration tube, a Wangshi liquid storage tank, a negative voltage guide tube, a rolling wheel negative voltage adjuster and an aspiration nozzle. A second part is a newborn mucus aspiration instrument, which is used for producing negative voltage. The negative voltage is produced by two forms. A first form is a ball type newborn mucus aspiration instrument which is composed of a rubber ball and two mutually opposite direction one way valves which are arranged on the head and the tail of the rubber ball. A second form is a pump type newborn mucus aspiration instrument, and an eccentric wheel is driven by a miniature dc motor to rotate. Then, a standing pin arranged on the eccentric wheel drives a connecting rod to push or pull a rubber membrane arranged on a rubber membrane pump, which makes the rubber membrane become flat, and also makes the rubber membrane plump produce vacuum. The negative voltage is produced under the cooperation of two one way valves. The two one way valves are parallel and have the same structure. The top and the bottom positions of the two one way valves are arranged to be mutually reverse. The magnitude of the negative voltage can be achieved through altering the magnitude of the voltage V<a> which is added on an armature. The negative voltage can carry out self control, the excess voltage can carry out automatic stop and alarm, and the magnitude of the negative voltage can be displayed by a liquid crystal digital code.
Description
Affiliated technical field
This utility model relates to amniotic fluid and the blended mucus instrument of secretions that brings in a kind of sucking-off neonate mouth, pharyngeal cavity and the bronchus from placenta materna, especially a kind of can linearly the adjusting born captivation, prevent to inhale the neonate mucus sucking-off instrument of disposable neonate mucus aspirator that mucus drips and miniature neonate mucus sucking-off instrument perfect pair outward, belong to medical instruments field.
Background technology
Present known vacuum extractor a multitude of names has the negative pressure sputum aspirator, dashes and inhale paunch flusher, abortion suction unit.There are pipette (rubber system), liquid storage vial, negative pressure guide wire resistance valve, air filter and AC vacuum pump to form successively on the structure, are applicable to that the adult inhales expectorant, gastric lavage, induced labor usefulness.But volume is big, and Alternating Current Power Supply, suction are big, heavy, need consider the insulation safety problem in the use.And manufacturing process complexity, cost height, each use need be carried out the sterilization of imbibition rubber tube, sterilization, and formalities such as the vial cleaning of falling liquid easily cause medical cross infection.
As us pipette, liquid containing bottle, the negative pressure guide wire of imbibition part are made disposable neonate mucus aspirator with the PVC medical macromolecular materials through sterilization, stopped medical cross infection like this, do not need sterilizing and washing yet, but how to transfer the size of negative-pressure sucking, good method is not arranged always, and we transfer negative pressure with " finger-hole valve " usually, and promptly the pore size of the venthole that communicates with the parallel connection of negative pressure guide wire with the thumb deblocking is transferred negative pressure, this needs experience, is difficult to accurately control negative pressure.Does also useful screw cone screw and contacts closed intensity with the taper seat of air vent and transfer negative pressure, but to only rely on sensation tight? not directly perceived.
After sucking mucus, when losing disposable neonate mucus aspirator, remain in the mucus in pipette, the negative pressure guide wire, ticktack drip outward, contaminated environment also cannot solve.Also need be with the vacuum attraction pump of AC-powered in the use, suction too Da Yi is inhaled mucosa and tissue in broken neonate mouth, the pharyngeal cavity, put off until some time later also exist heavy, carry inconvenience, need to consider problems such as electric insulation safety in using.
The negative pressure of neonate mucus sucking-off is a very little negative pressure, if pipette enters the neonate oral cavity, the negative pressure guide wire is contained in midwives in the mouth, works as vacuum extractor with face, also can be drawn onto mucus in the fluid reservoir.But midwives is also possibility inspiration neonate mucus and amniotic fluid breath in the mouth, if be mixed with meconium in the neonate amniotic fluid, mucus becomes brown-green, and the nurse more is reluctant to inhale, and inhales with mouth and can not represent the health developing direction, can not improve perinatal stage medical science level.
In neonate is delivered a child, people wish with amniotic fluid, mucous instrument in a kind of convenient and swift attraction neonate oral cavity, the throat trachea, do not need tradition so big, portably use conveniently, can not cause medical cross infection again, meet the health developing direction, not with a mouthful suction, do not pollute the environment again again.
Summary of the invention
Wayward in order to overcome existing vacuum extractor pressure, suction is too big, easy mucosal tissue and with mouthful inhaling in the sucking-off neonate oral cavity, and the easy in the mouth inspiration of nurse midwife is mixed with the mucus of meconium.Suck behind the liquid easily disadvantages such as contaminated environment.
This utility model provides a kind of neonate mucus sucking-off instrument, and not only the pressure may command has guaranteed the safety of neonate oral mucosa, and has exempted with a mouthful problem of inhaling.It is intuitive and reliable that negative pressure is regulated, a locking roller draft regulator after the imbibition, and having cut off air, pipette and negative pressure guide wire can the dropping liquid contaminated environment, has stopped medical cross infection.
The technical scheme that its technical problem that solves this utility model adopts is:
By being provided, disposable neonate mucus aspirator and little negative pressure neonate mucus sucking-off instrument two parts form.First: disposable use neonate mucus aspirator is assembled in the manufacturing of purification Factory Building by transparent PVC medical macromolecular materials, and disinfects through the ethylene oxide sterilizing of 2 years effect duration.
It is made of successively pipette, Wang Shi fluid reservoir, negative pressure guide wire, roller draft regulator and suction nozzle.
The pipette of disposable use neonate mucus aspirator, the head globulate, not sharp, there are two to tilt from outside to inside from the head place, i.e. imbibing hole is in case back and forth during imbibition, pull mucosa tender and lovely in the neonate oral cavity.
The Wang Shi fluid reservoir is made with the transparent PVC medical macromolecular materials, and its structure is that pipette directly is inserted into the tank deck sidepiece, just with adhering and sealing jail, slit, bottom, stamps scale in the above.This structure can liquid storage and is saved a liquid storage seal cover of old-fashioned structure, work simplification, available blowing is made, and has got rid of original Shooting Technique, has reduced cost.
Roller pressure actuator (3) is to roll in collinear groove with roller, goes roll extrusion to pass under the wheel and the aperture of the negative pressure guide wire between the inclined-plane of bottom-up inclination, makes it change diameter, obtains vacuum magnitude and regulates.
Second portion is a neonate mucus sucking-off instrument, is the instrument that produces negative pressure.It produces negative pressure by dual mode: first kind is " ball formula neonate mucus sucking-off instrument ", and it is installed in rubber bulb one-way cock end to end by rubber bulb and two rightabouts and forms; Second kind is pump formula neonate mucus sucking-off instrument, and it is rotated by minisize dc micro motor for driving eccentric, and the vertical pin on the eccentric is the rubber membrane on the drivening rod push-and-pull rubber bellows again, makes it flat, makes its generation vacuum that sticks out again.Two parallel, structure is identical, mutual one positive one instead the one-way cock of dress cooperate and to produce negative pressure down, vacuum magnitude is adjustable.Its principle is: as magnetizing flux φ fixedly the time,
Ia is an armature supply in the formula, and Va is the voltage that is added on the armature, and Ea is the self-induced e.m.f that armature produces when rotating under the voltage effect, and Ra is the contact resistance sum of armature resistance and commutating brush and commutator segment.
When Va ↑ time, i.e. when the last series connection adjusting of Va resistance is turned resistance down, Va ↑ → Ia ↑ → M
Electromagnetic torque↑ → MJ
Inertia torque↑ → ω
Rotor velocity↑ → n rotating speed ↑ → F
Produce negative pressure↑, the M=C in the process
ΦIan
Be the inertia torque of load, J is a rotary inertia, and pump formula neonate mucus sucking-off instrument is received the nozzle portion of disposable use neonate mucus aspirator, has replaced manual working with regard to available instrument.
The beneficial effects of the utility model are: can not inhale brokenly the tender and lovely mucosa of baby when inhaling mucus; Pipette puts in the tissue that can not stab in baby's mouth, nose, pharynx, the trachea; After sucking mucus, roller actuator one compresses the negative pressure guide wire, has completely cut off air, and mucus just can following, cleans very much; With the disposable neonate mucus aspirator behind the oxirane disinfection, thoroughly eradicated medical cross infection, improved perinatal medical science level; Micropump is very little, and is safe and reliable, is easy to carry.
Description of drawings
Below in conjunction with drawings and Examples this utility model is further specified
Fig. 1 is this utility model neonate mucus sucking-off principle of instrument connection layout;
Fig. 2 is that first embodiment of neonate mucus sucking-off instrument has vertical section structure connection figure;
Fig. 3 is that second embodiment of neonate mucus sucking-off instrument has the electromechanics of vertical section structure to scheme in conjunction with connection;
Among the figure 1, pipette; 2, Wang Shi fluid reservoir; 3, roller draft regulator; 4, negative pressure guide wire; 5, suction nozzle;
6, rubber bellows; 7, connecting rod; 8, DC micromotor (using the 1.5V battery powered);
9, rubber bulb; (1), negative one-way valve; (2) malleation check valve; 10, conical rubber stopper;
11, retaining chock (cylindrical, intermediate projections is with retaining rubber stopper conical lower section, and the both sides aperture is with the ventilation body);
12, cylinder shape valve; 13, rubber bellows support body (disc); 14, eccentric; 15, pressure detecting sensing
Device, discharge circuit and A/D conversion integration block; 16, liquid crystal digital display circuit; 17, overvoltage sound and light alarm
Circuit; 18, overvoltage automatic shutdown circuitry.
The specific embodiment
In Fig. 1, pipette (1), Wang Shi fluid reservoir (2), roller draft regulator (3), negative pressure guide wire (4), suction nozzle (5), negative one-way valve ()
In embodiment illustrated in fig. 2, pipette (1) is inserted Wang Shi fluid reservoir (2) cavity upper end sidepiece, Wang Shi fluid reservoir upper end connects negative pressure guide wire (4), and on the negative pressure guide wire, ride and pressing roller draft regulator (3), negative pressure guide wire one end has suction nozzle (5) to be connected with negative one-way valve, negative pressure is produced by rubber bulb (9), and an end of rubber bulb (9) is connected with malleation check valve (two).
Negative one-way valve and malleation one-way valve structures are identical, oppositely are installed in the two ends of rubber bulb (9) only mutually.
Check valve structure: a retaining chock (11) is arranged in the cylinder shape valve (12), this porose ventilation in chock both sides, center protrusion is to keep off conical rubber stopper (10).
When we pushed rubber bulb, conical rubber stopper (10) was got into conical bore in the one-way cock, and valve (one) close.Rubber stopper (10) in the valve (two) blows out conical bore, opens valve (two), and ejection gas is malleation.When we unclamp rubber bulb, because of rubber bulb has recovered original volume, the internal vacuum height, at this moment outside air is come one after another, gets into valve (), and at this moment the rubber stopper in the valve (10) is open, the negative pressure inspiration.And the rubber stopper (10) of valve (two) is pushed by negative-pressure gas, the circular cone duct of plug jail valve (two) tightly.
When we squeeze rubber bulb gentlier, the negative pressure of generation is just a little bit smaller; Pinch to such an extent that weigh a bit, the negative pressure of generation is just a little bigger, has finished the adjusting of vacuum magnitude like this, makes it in safety range.
In another embodiment shown in Figure 3, pipette (1), insert Wang Shi fluid reservoir (2) cavity upper end side position, Wang Shi fluid reservoir upper end connects negative pressure guide wire (4), and pressing roller draft regulator (3) last riding, negative pressure guide wire one end has suction nozzle (5) to be connected with negative one-way valve (), negative pressure is produced by flexible the agitating of rubber bellows (6), the power of rubber bellows be by DC micromotor (8) by eccentric (14) rotation, drivening rod (7) and make that rubber membrane is flexible agitates.
When connecting rod (7) pushing rubber membrane (6) diminishes rubber membrane, the air pressure of pushing makes conical rubber stopper (10) jam-pack pore in the negative one-way valve (), the negative pressure valve no-output, and at this moment the conical rubber stopper (10) in the check valve (two) is ejected pore by air pressure, gas flows out from retaining chock both sides, when connecting rod (7) stretching rubber membrane (6) makes it become big, at this moment the vacuum that produces in the film inhales the conical rubber stopper (10) of negative one-way valve () to open from pore, and at this moment Wai Mian air is sucked into and has produced negative pressure.And at this moment the circular cone rubber stopper of check valve body (two) gas of being come in to replenish by the outside from the hole tightly clogs pore, malleation check valve no-output.Because DC micromotor is rapidly rotated, rubber membrane becomes greatly fast and diminishes, and at this moment, the negative pressure fluctuation of negative one-way valve output is just little.
The pressure size that is produced converts electric signal to by the press detection sensor that sticks on the relevant position on the bellows and shows to liquid crystal display circuit (16) through operational amplification circuit amplification and A/D conversion integration block (15); the safe negative pressure of measuring that surpasses the neonate mucosa is delivered to overvoltage sound light alarming circuit (17) and reports to the police; and starting overvoltage automatic shutdown circuitry (18); stop DC micromotor power supply, make it negative pressure and be controlled in the scope that the neonate mucosa is perfectly safe.
Claims (7)
1, a kind of neonate mucus sucking-off instrument, be linked in sequence by pipette, fluid reservoir, negative pressure guide wire and vacuum extractor, it is characterized in that: pipette, fluid reservoir, negative pressure guide wire, roller draft regulator all with the PVC medical macromolecular materials make and the ethane via epoxyethane sterilization after, disposable use.Disposable pipette is through to Wang Shi fluid reservoir tip-end-side; The linear intuitively accent negative pressure of roller draft regulator is arranged on the negative pressure guide wire, and can lock to press and cut off air, negative pressure has two kinds of methods to produce, and a kind of is " ball formula neonate mucus sucking-off instrument ", and it is installed in rubber bulb one-way cock end to end by rubber bulb and two rightabouts and forms; Another kind is a pump formula neonate mucus sucking-off instrument; be that the DC micromotor drive rubber membrane that 1.5 volts of batteries are the energy is agitated the flexible negative pressure that produces; relevant position is provided with press detection sensor, liquid crystal digital display circuit, overvoltage automatic shutdown circuitry and sound light alarming circuit on the rubber bellows.
2, neonate mucus sucking-off instrument according to claim 1 is characterized in that: putting in the mucous pipette of the interior suction of neonate mouth, throat and trachea should be thin, the mellow and full globulate of its head, and head has two imbibing holes that tilt from outside to inside nearby.
3, neonate mucus sucking-off instrument according to claim 1 is characterized in that: pipette is through to the bonding again bottom of Wang Shi fluid reservoir tip-end-side slit aperture, and Wang Shi liquid storage tank body is transparent, on the scale of mL is arranged.
4, neonate mucus sucking-off instrument according to claim 1 is characterized in that: the roller draft regulator is by roll in the gradient surface groove of the above-below direction aperture of the negative pressure guide wire below being compressed in of roller, makes its change.
5, neonate mucus sucking-off instrument according to claim 1 is characterized in that: the negative pressure that is connected on the suction nozzle of negative pressure guide wire can be produced by ball formula neonate mucus sucking-off instrument.It is by rubber bulb and being installed in the rubber bulb front and rear gaps, and structure is identical, and the one-way cock that direction is opposite constitutes.One pinches one puts rubber bulb and can produce negative pressure.
6, neonate mucus sucking-off instrument according to claim 1 is characterized in that: being connected on the negative pressure of working on the suction nozzle of negative pressure guide wire can be produced by pump formula neonate mucus sucking-off instrument.It is by direct-flow small motor rotating band movable eccentric wheel, and the vertical pin on eccentric drivening rod pulling rubber membrane again makes its flexible agitating, and produces negative pressure under two identical one-way cocks of putting upside down installation each other of structure cooperate.By changing the magnitude of voltage on the direct current generator armature, can change output torque M size, thereby control produces negative suction size.
7, neonate mucus sucking-off instrument according to claim 1 is characterized in that: pump formula neonate mucus sucking-off instrument is provided with the liquid crystal digital display circuit, shows vacuum magnitude; And when being provided with negative pressure, automatic shutdown circuitry, sound light alarming circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01274578 CN2566857Y (en) | 2001-11-18 | 2001-11-18 | Instrument for aspirating mucus of new-born |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01274578 CN2566857Y (en) | 2001-11-18 | 2001-11-18 | Instrument for aspirating mucus of new-born |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2566857Y true CN2566857Y (en) | 2003-08-20 |
Family
ID=33679189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01274578 Expired - Fee Related CN2566857Y (en) | 2001-11-18 | 2001-11-18 | Instrument for aspirating mucus of new-born |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2566857Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104436328A (en) * | 2014-09-28 | 2015-03-25 | 赵菁 | Pressing type body fluid aspirator |
| CN109172317A (en) * | 2018-09-20 | 2019-01-11 | 柴春艳 | A kind of the elderly's clearing lung-heat expectoration device |
-
2001
- 2001-11-18 CN CN 01274578 patent/CN2566857Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104436328A (en) * | 2014-09-28 | 2015-03-25 | 赵菁 | Pressing type body fluid aspirator |
| CN109172317A (en) * | 2018-09-20 | 2019-01-11 | 柴春艳 | A kind of the elderly's clearing lung-heat expectoration device |
| CN109172317B (en) * | 2018-09-20 | 2020-12-29 | 陕西省人民医院 | Old person's phlegm device that clears lung |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |