CN104248513A - Medicine dispensing method for powder needle bottle and one-way valve type medicine dispensing device - Google Patents
Medicine dispensing method for powder needle bottle and one-way valve type medicine dispensing device Download PDFInfo
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- CN104248513A CN104248513A CN201310256460.6A CN201310256460A CN104248513A CN 104248513 A CN104248513 A CN 104248513A CN 201310256460 A CN201310256460 A CN 201310256460A CN 104248513 A CN104248513 A CN 104248513A
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- transition container
- transfusion bag
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Abstract
The invention discloses a medicine dispensing method for a powder needle bottle and a one-way valve type medicine dispensing device. The medicine dispensing method comprises the following steps: making preparation; inserting needles into the powder needle bottle and a transfusion bag, pumping liquid medicines in the transfusion bag into a transition vessel, injecting the liquid medicines in the transition vessel into the powder needle bottle, withdrawing the needles, switching needle positions, inserting the needles into the powder needle bottle and the transfusion bag, pumping the liquid medicines in the powder needle bottom into the transition vessel, and injecting the liquid medicines in the transition vessel into the transfusion bag, thereby finishing dispensing medicines. The one-way valve type medicine dispensing device comprises a one-way valve I, a one-way valve II and an air pump which are connected to the transition vessel, wherein needle heads I and II at the end parts of a liquid guide pipe I and a liquid guide pipe II are respectively provided with a chuck I and a chuck II. The medicine dispensing method is capable of realizing automatic liquid medicine allocation for the powder needle bottle; by virtue of cooperation between the chucks I and II and an automatic control device for a machine, the medicine dispensing efficiency is further improved; vent needle holes and air holes in the chucks I and II can balance the pressures inside and outside the transfusion bag or the powder needle bottle, and two level controllers are used for monitoring the medicine dispensing process, so that medicine dispensing is relatively simple, convenient and reliable.
Description
Technical field
The present invention relates to a kind of field of medical device, particularly a kind of powder pin bottle dosage and this dosage check valve-type dispensation apparatus used.
Background technology
At present, carry out venous transfusion in hospital when making up a prescription, normally utilize manual operation first in one or more injection bottle, to extract medicinal liquid with syringe, reinject in infusion bottle, for its transfusion.Above-mentioned operating process more complicated, time especially to needs a large amount of configuration medicinal liquid, high to the labor intensity of nurse, and inefficiency.
For this reason, Chinese Patent Application No. 201220041839.6, Authorization Notice No. CN 202459331 U discloses a kind of disposable Special dispensing device with double needle and check valve, as Fig. 1, shown in 2, this medical use dispensing device comprises structure and comprises pipette 01, first check valve 02, protective cap A03, liquid injection pipe 04, second check valve 05, protective cap B06, pipe joint 07, wherein pipette 01, liquid injection pipe 04, pipe joint 07 is three way type connection, pipette 1, liquid injection pipe 04, the inner chamber of pipe joint interpenetrates, pipette 01 and liquid injection pipe 04 are connected on pipe joint 07 simultaneously, the end of pipette 01 and liquid injection pipe 04 is set to tip-like, the internal diameter of pipe joint 07 outside port and existing syringe needle handle joint coincide, for connecting the syringe made up a prescription, the first check valve 02 is provided with in pipette 01, the liquid stream controlling party of the first check valve 02 is to for flowing from outside to inside, the second check valve 05 is provided with in liquid injection pipe 04, second check valve 05 liquid stream controlling party to for from inside to outside flowing, pipette 01 skin is also provided with protective cap A03, liquid injection pipe 04 skin is also provided with protective cap B06.All parts all can adopt high molecule plastic material to make, and the end of pipette 01 and liquid injection pipe 04 is set to tip-like, replace needle aspirate and inject medicinal liquid.
When using this Special dispensing device, first pipe joint 07 is connected syringe, pipette 01 is being inserted in the medicinal liquid of cillin bottle or powder pin bottle, liquid injection pipe 04 inserts in large transfusion bottle simultaneously, twitch syringe pintle, resorption medicinal liquid enters syringe by the first check valve 02 of pipette 01, now the second check valve 05 of liquid injection pipe 04 is in closed condition, again promote pintle, medicinal liquid injects large transfusion bottle from the second check valve 05 of liquid injection pipe 04, now the first check valve 02 of pipette 01 is closed, complete and this device is put into medical waste collection box after making up a prescription and do harmless treatment.
But, although the disposable Special dispensing device of this band double needle and check valve avoids the secondary pollution of the process of making up a prescription, also exist following not enough, be mainly manifested in:
1, this dispensation apparatus needs to use syringe to carry out manual operations and be pumped in syringe by medicinal liquid, and then pushes to infusion bottle, and manual dispensing operation bothers, efficiency is lower, especially in the occasion needing to make up a prescription in a large number, can not meet the demands;
2, the first check valve 02, second check valve 05 is all be built in pipette 01, liquid injection pipe 04 respectively, and for Dispoable medical product, this pipette 01, liquid injection pipe 04 complex structure, the cost with built-in one-way valve structures is higher;
When 3, making up a prescription, if the passage that pipette 01, liquid injection pipe 04 are not ventilated with ambient atmosphere, syringe is at the closed powder pin bottle liquid medicine of extraction and when being pushed in closed infusion bottle by medicinal liquid, when under powder pin bottle or transfusion pressure of the inside of a bottle increase situation, medicinal liquid is not easily sucked out injection bottle smoothly or is injected into infusion bottle, makes up a prescription and difficulty can occur;
4, the pipe joint 07 that this dispensation apparatus uses connects pipette 01, liquid injection pipe 04, syringe forms threeway and connects, pipette 01 simultaneously, liquid injection pipe 04 end is needle point, so pipette 01, liquid injection pipe 04 is plastic conduit, in pipette 01, after liquid injection pipe 04 is connected with pipe joint 07, because pipe joint 07 belongs to tee pipe coupling, pipette 01, liquid injection pipe 04 cannot bend, therefore the very difficult injection bottle (as powder pin bottle) that will connect, infusion bottle keeps horizontal positioned simultaneously, i.e. injection bottle, infusion bottle one of them may be in level and another is in heeling condition, pipette 01 simultaneously, liquid injection pipe 04 limited length cannot move, be inconvenient to make up a prescription.
Summary of the invention
The object of the invention is to overcome the manual above-mentioned deficiency pushing or extract that injector operations bothers, efficiency is lower of dispensation apparatus needs existing in prior art, a kind of powder pin bottle dosage is provided, the check valve-type dispensation apparatus that this powder pin bottle dosage a kind of is used is also provided simultaneously.
A kind of powder pin bottle dosage, comprises the following steps:
Step one, preparation, catheter one, catheter two are connected respectively interface one, the interface two on transition container, described catheter one, catheter two are respectively equipped with check valve one, check valve two, the flow direction of wherein said check valve one flows to described catheter one from described transition container, the flow direction of described check valve two flows to described transition container from described catheter two, and the interface three on described transition container connects air pump by breather; Described catheter one end is provided with syringe needle one, and described catheter two end is provided with syringe needle two, by powder pin bottle and transfusion bag in place respectively and aim at described syringe needle one, syringe needle two, for next step contact pin is prepared;
Step 2, contact pin, insert described syringe needle one in described powder pin bottle, then insert in described transfusion bag by described syringe needle two;
Step 3, suction, described air pump air-breathing, negative pressure is formed in described transition container, its applying power flows to identical with check valve two, and then the medicinal liquid in described transfusion bag is sucked in described transition container by described catheter two, check valve two, in transition container, negative pressure exerts a force round about towards check valve is first-class, so check valve one is closed simultaneously, therefore the medicament in powder pin bottle can't be inhaled in transition container by check valve one, transition container inner liquid medicine also can not be injected in powder pin bottle;
Step 4, injection, aspirate rear described air pump to blow, malleation is formed in described transition container, its applying power flows to identical with check valve one, therefore described transition container inner liquid medicine injects in described powder pin bottle by described catheter one, check valve one, now in transition container, applying power flows to contrary with check valve two, and check valve two is closed, therefore transition container inner liquid medicine can't be back to transfusion bag by check valve two, transfusion bag inner liquid medicine also can not be sucked up to transition container;
Step 5, pull out pin, described transition container inner liquid medicine is injected into after described powder pin bottle completes, and described air pump stops suction, and described syringe needle one, syringe needle two is extracted from described powder pin bottle, transfusion bag respectively, and shake up described powder pin bottle inner liquid medicine, make medicament and medicinal liquid Homogeneous phase mixing in powder pin bottle;
Step 6, exchange pin position, exchange described powder pin bottle, transfusion bag pin position, described powder pin bottle is aimed at described syringe needle two, described transfusion bag aims at described syringe needle one, for contact pin is prepared;
Step 7, contact pin, inserted by described syringe needle two at the bottom of described powder pin bottle bottle, described syringe needle one inserts in described transfusion bag;
Step 8, suction, described air pump air-breathing, negative pressure is formed in described transition container, and then the medicinal liquid in described powder pin bottle is sucked in described transition container by described catheter two, check valve two, now in transition container, the applying power of negative pressure flows to contrary with described check valve one, described transfusion bag inner liquid medicine and transition container not intercommunication;
Step 9, injection, aspirate rear described air pump to blow, malleation is formed in described transition container, described transition container inner liquid medicine injects in described transfusion bag by described catheter one, check valve one, now in transition container, the applying power of malleation flows to contrary with described check valve two, and described transition container inner liquid medicine can't be back to described powder pin bottle;
Step 10, pull out pin, complete and make up a prescription, after described transition container inner liquid medicine all injects described transfusion bag, stop described air pump, extract described syringe needle one, syringe needle two, then complete medicament in described powder pin bottle and be injected into the process of making up a prescription of described transfusion bag.
When making up a prescription to powder pin bottle, transfusion bag, above-mentioned catheter one, catheter two, syringe needle one, syringe needle two are vertical direction, so powder pin bottle, transfusion bag all can horizontal positioned, and catheter one, catheter two all have certain length, make up a prescription so powder pin bottle, transfusion bag can move to correct position according to actual needs, make up a prescription conveniently.
When needing multiple powder pin bottle inner liquid medicine when once making up a prescription, two kinds of modes can be taked to make up a prescription, first method is that all powder pin bottles are according to the whole preparation in place of above-mentioned steps one, after first powder pin bottle is completed made up a prescription by above-mentioned steps two to step 10, second powder pin bottle is in place, repeat step 2 and carry out making up a prescription of a new round to step 10, until all powder pin bottle inner liquid medicines are formulated in this transfusion bag; Second method is that all powder pin bottles are according to the whole preparation in place of above-mentioned steps one, transfusion bag inner liquid medicine is injected in each powder pin bottle by above-mentioned steps two to five by all powder pin bottles successively, after shaking up, all exchange pin position according to above-mentioned steps six, then by above-mentioned steps six to ten, powder pin bottle inner liquid medicine is injected into transfusion bag successively; Certainly can also according to practical situation two kinds of methods with the use of.
After finally the medicinal liquid (comprising the ampoule bottle inner liquid medicine that may need) of this transfusion bag has all been prepared, described catheter one, catheter two, syringe needle one, syringe needle two, check valve one, check valve two, transition container, all powder pin bottles are all put into the collecting box of specifying.Reset new dispensation apparatus, repeats step one and again make up a prescription to step 10.
Preferably, this powder pin bottle dosage also comprises first liquid-level controller that can detect transition container inner liquid medicine height in described step 3, medicinal liquid in described step 3 in transfusion bag is pumped in described transition container, when medicinal liquid liquid level reaches a certain position in described transition container, described first liquid-level controller sends signal, this signal transmission is given described air pump and is controlled described air pump switch and closes, described step 3 suction stops, the medicine liquid volume that this position of described transition container holds is less than described powder pin bottle and amasss, such transition container inner liquid medicine just can not cause waste when injecting powder pin bottle.
Preferably, this powder pin bottle dosage also comprises second liquid-level controller that can detect certain cross section medicinal liquid of catheter one in described step 9, when described second liquid-level controller detects that on described catheter one, described cross section is flow through without medicinal liquid, signal transmission is given described air pump and is controlled described air pump switch and closes by described second liquid-level controller, described air pump stops blowing, and described step 9 is injected and stopped.
Further preferably, signal transmission is given described air pump by described second liquid-level controller, and time delay 0-2s controls the closedown of described air pump switch, and described air pump stops blowing.
Because the second liquid-level controller is that when working as that in detected catheter one, certain cross section is flow through without medicinal liquid, just send signal, if now air pump stops suddenly, catheter one also has part medicinal liquid not have enough time to inject transfusion bag, can cause the waste of part medicinal liquid; If air pump postpones 0-2s just stop air blowing, then having a sufficient time all injects transfusion bag by residual liquor in catheter one.Certainly, the delay that also can realize air pump by other means stops blowing, and sends signal, then control air pump switch and quit work to make residual liquor in catheter one all inject transfusion bag as the second liquid-level controller postpones 0-2s.
Preferably, described syringe needle one is provided with the chuck one being convenient to clamp described syringe needle one, and described syringe needle two is provided with the chuck two being convenient to clamp described syringe needle two, and described breather is provided with the chuck three being convenient to clamp described breather.
Chuck one on syringe needle one, the chuck two on syringe needle two can by completing contact pin with machine-control automation, pulling out pin and exchange the actions such as pin position, chuck on breather three and machine-control automation complete certainly being dynamically connected of air pump and transition container, thus realize the function of automated dispensing; This machine-control automation can be mechanical hand, and mechanical hand is the function with clamping, movement that prior art is commonly used.
To achieve these goals, another kind of technical scheme provided by the invention is:
The check valve-type dispensation apparatus that a kind of powder pin bottle dosage uses, comprise described catheter one, catheter two, by described catheter one, described catheter two connects the described interface one on described transition container respectively, described interface two, described check valve one is provided with between described catheter one and described interface one, described check valve two is provided with between described catheter two and described interface two, the flow direction of wherein said check valve one flows to described catheter one from described transition container, the flow direction of described check valve two flows to described transition container from described catheter two, interface three on described transition container connects described air pump, described catheter one end is provided with syringe needle one, and described catheter two end is provided with syringe needle two.
Preferably, the venting pinhole one that described syringe needle one is provided with transfusion pin hole one and is connected with air, the venting pinhole two that described syringe needle two is provided with transfusion pin hole two and is connected with air.
Transfusion pin hole one, transfusion pin hole dual-purpose injects or aspirates transfusion bag or powder pin bottle liquid medicine, because transfusion bag and powder pin bottle are enclosed, as when transfusion bag or powder pin bottle inner liquid medicine increase gradually or reduce, because transfusion bag is soft medical bag, transfusion bag volume just can expand or reduce, or powder pin bottle is hard medical products, the increase of powder pin bottle inner liquid medicine or minimizing all can cause increase or the minimizing of powder pin bottle internal gas pressure, now syringe needle one, the venting pinhole one that syringe needle two is arranged, venting pinhole two just can balance atmospheric pressure and external atmosphere pressure in transfusion bag or powder pin bottle, avoid the continuation superdistension of transfusion bag volume to cause and be split up transfusion bag and avoid the suction of powder pin bottle and inject difficulty.
Preferably, described transfusion pin hole one, venting pinhole one are parallel to each other and are located in described syringe needle one, and described transfusion pin hole two, venting pinhole two are parallel to each other and are located in described syringe needle two.
Preferably, described venting pinhole one sidewall away from described transfusion pin hole one on described syringe needle one is provided with some pores one, and described venting pinhole two sidewall away from described transfusion pin hole two on described syringe needle two is provided with some pores two.
When transition container inner liquid medicine injects transfusion bag, if the liquid level of transfusion bag inner liquid medicine has been increased beyond the bottom of syringe needle one, submergence venting pinhole one end, air in transfusion bag and ambient atmosphere are isolated, then transfusion bag inner liquid medicine is when interior atmospheric pressure increases, flow out transfusion bag by venting pinhole one possibly, cause waste; So be provided with some pores one on venting pinhole one sidewall, in transfusion bag inner liquid medicine rising submergence bottom syringe needle one, still have and be positioned at the higher part holes one in syringe needle one position and transfusion bag air can be communicated with venting pinhole one and ambient atmosphere, atmospheric pressure inside and outside balance transfusion bag, not only medicinal liquid can be injected transfusion bag by transition container smoothly, and transfusion bag inner liquid medicine also can not overflow and pollutes and waste.In like manner, syringe needle two can be provided with some pores two away from described venting pinhole two sidewall of described transfusion pin hole two too, and syringe needle one and syringe needle two structure, shape are identical, can mutually replace, cost-saving.
Preferably, be provided with breather between described transition container and air pump, described breather is provided with drainage screen.
Air pump by breather when blowing to transition container, drainage screen can filter out the particulate contaminant in air, avoid polluting transition container inner liquid medicine, in addition, air pump is when air-breathing, drainage screen can stop the medicinal liquid in transition container to enter breather or air pump to a certain extent, avoids causing waste and polluting.
compared with prior art, beneficial effect of the present invention:
1, the present invention adopts the cooperation of transition container and air pump, transfusion bag inner liquid medicine is first pumped to transition container, it injects mixing in powder pin bottle again, then exchange pin position, powder pin bottle inner liquid medicine is pumped to transition container, then is injected into transfusion bag, compare manual operation syringe, the method can realize automatization and make up a prescription, simple to operate, substantially increases dispensing efficiency;
2, the chuck one on syringe needle one of the present invention, chuck two on syringe needle two, by with the coordinating of machine-control automation (as mechanical hand), automatic needle inserting can be carried out, pull out pin, exchange pin position syringe needle one, syringe needle two, comparing manually makes up a prescription plugs and unplugs syringe needle, can further increase automated dispensing efficiency and quality of making up a prescription;
3, powder pin bottle dispensation apparatus of the present invention, by check valve one, the check valve two external transition container of difference and catheter one and catheter two, compare the pipette or liquid injection pipe that use disposable built-in check valve, structure is simple, connect easy, easy to maintenance, cost is lower;
4, venting pinhole one and pore one is provided with in syringe needle one of the present invention, when transition container inner liquid medicine injects transfusion bag by syringe needle one, venting pinhole one and pore one can ensure the balance of air and ambient atmosphere in transfusion bag, increase simplicity and the operability of medicinal liquid injection, because of the lasting injection of medicinal liquid, the transfusion bag of sealing can not be split up simultaneously; Syringe needle two is provided with venting pinhole two and pore two too in addition, and powder pin bottle, when being pumped to transition container, can ensureing atmospheric pressure balance inside and outside powder pin bottle, aspirate quicker, laborsaving;
5, the present invention is provided with first liquid-level controller that can detect transition container inner liquid medicine height, can control transfusion bag inner liquid medicine aspiration, avoids transition container inner liquid medicine to inject when mixing with medicament in powder pin bottle and too much causes waste; The second liquid-level controller of being provided with too of a certain cross section of catheter one in addition, and can time-delay closing air pump, dead space capacity in transition container and catheter one all can be injected transfusion bag, avoid the waste of medicinal liquid, and stop air pump in time, energy savings;
6, when dosage of the present invention makes up a prescription to powder pin bottle, powder pin bottle and transfusion bag is coordinated respectively by catheter one, catheter two and syringe needle one, syringe needle two, because catheter one, catheter two, syringe needle one, syringe needle two are vertical direction, so powder pin bottle, transfusion bag all can horizontal positioned, catheter one, catheter two all have certain length in addition, so move powder pin bottle according to actual needs, transfusion bag makes up a prescription to correct position, makes up a prescription conveniently;
Accompanying drawing illustrates:
Fig. 1 is the schematic diagram of a kind of disposable Special dispensing device with double needle and check valve of prior art;
The schematic diagram that Fig. 2 is pipette in Fig. 1, liquid injection pipe is connected with pipe joint.
Fig. 3 is the schematic diagram of preparatory stage in dosage of the present invention;
Fig. 4 is the schematic diagram of contact pin in dosage of the present invention;
Fig. 5 is schematic diagram when transfusion bag medicinal liquid is pumped to transition container in dosage of the present invention;
Fig. 6 is the schematic diagram aspirated in dosage of the present invention;
Fig. 7 is the schematic diagram that in dosage of the present invention, transition container inner liquid medicine injects powder pin bottle;
Fig. 8 is the schematic diagram injected in dosage of the present invention;
Fig. 9 is the schematic diagram pulling out pin in dosage of the present invention;
Figure 10 is powder pin bottle in dosage of the present invention, transfusion bag exchanges the schematic diagram behind pin position;
Figure 11 is the schematic diagram of contact pin in dosage of the present invention;
Figure 12 is the schematic diagram of transition container suction powder pin bottle inner liquid medicine in dosage of the present invention;
Figure 13 is the schematic diagram aspirated in dosage of the present invention;
Figure 14 is the schematic diagram that in dosage of the present invention, transition container injects medicinal liquid to transfusion bag;
Figure 15 is the schematic diagram having pulled out pin after having made up a prescription in dosage of the present invention;
Figure 16 is the structural representation of check valve-type dispensation apparatus of the present invention;
Figure 17 is the structural representation of transition container of the present invention;
Figure 18 is syringe needle one structural representation inventing described check valve-type dispensation apparatus;
Figure 19 is the enlarged diagram of partial structurtes a in Figure 10;
Figure 20 is syringe needle two structural representation of check valve-type dispensation apparatus of the present invention.
Labelling in figure:
01, pipette, the 02, first check valve, 03, protective cap A, 04, liquid injection pipe, the 05, second check valve, 06, protective cap B, 07, pipe joint;
1, powder pin bottle, 2, transfusion bag, 3, syringe needle one, 301, chuck one, 302, transfusion pin hole one, 303, venting pinhole one, 304, pore one, 4, syringe needle two, 401, chuck two, 402, transfusion pin hole two, 403, venting pinhole two, 404, pore two, 5, transition container, 501, interface one, 502, interface two, 503, interface three, 6, check valve one, 7 check valves two, 8, catheter one, 9, catheter two, 10, first liquid-level controller, 11, second liquid-level controller, 12, air pump, 13, breather, 14, drainage screen, 15, chuck three.
Detailed description of the invention
Below in conjunction with test example and detailed description of the invention, the present invention is described in further detail.But this should be interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to following embodiment, all technology realized based on content of the present invention all belong to scope of the present invention.
As shown in Fig. 3-15, a kind of powder pin bottle dosage, comprises the following steps:
Step one, preparation, as shown in Figure 3, one end of check valve 1 is connected catheter 1, one end of check valve 27 connects catheter 29, be connected on transition container 5 by check valve 1 other end, check valve 29 other end again, wherein the flow direction of check valve 1 flows to catheter 1 from transition container 5, and the flow direction of check valve 27 flows to transition container 5 from catheter 29, as shown in solid arrow sensing in Fig. 3-15, this transition container 5 connects the dual-purpose air pump 12 of pressure-vaccum by breather 13; Catheter 1 end is provided with syringe needle 1, and catheter 29 end is provided with syringe needle 24, and first 3, the syringe needle 24 of in place respectively and alignment pins by powder pin bottle 1 and transfusion bag 2, for next step contact pin is prepared;
Step 2, contact pin, as shown in Figure 4, insert syringe needle 1 in powder pin bottle 1, then insert in transfusion bag 2 by syringe needle 24;
Step 3, suction, as shown in Figure 5,6, air pump 12 air-breathing (as shown in Fig. 5 dotted arrow direction), negative pressure is formed at transition container 5, its applying power and check valve 27 flow to identical, with check valve 1 flow on the contrary, and then the medicinal liquid in transfusion bag 2 is sucked in transition container 5 by catheter 29, check valve 27, check valve 1 is closed simultaneously, medicament in powder pin bottle 1 can't be inhaled in transition container 5 by check valve 1, and transition container 5 inner liquid medicine also can not be injected in powder pin bottle 1; Waste is too much caused in order to avoid transfusion bag 2 inner liquid medicine is pumped in transition container 5, transition container 5 is also provided with first liquid-level controller 10 that can detect its inner medicinal liquid height, first liquid-level controller 10 can control air pump 12 switch, when transfusion bag medicinal liquid is pumped to transition container 5, when its medicinal liquid liquid level reaches a certain position in transition container 5 (as Fig. 6 shows A-B liquid level position), first liquid-level controller 10 sends signal, this signal transmission to air pump and control air pump switch close, suction stop; The medicine liquid volume that the control position of this transition container 5 holds needs to be less than powder pin bottle 1 volume, and such transition container 5 inner liquid medicine just can not cause waste when injecting powder pin bottle 1;
Step 4, injection, as shown in Figure 7,8, aspirate rear air pump to blow, malleation is formed at transition container 5, its applying power and check valve 1 flow to identical, with check valve 27 flow on the contrary, now check valve 1 conducting, check valve 27 are closed, therefore transition container 5 inner liquid medicine is injected in powder pin bottle 1 by catheter 1, check valve 1, and transition container 5 inner liquid medicine can't be back to transfusion bag 2 by check valve 27, transfusion bag 2 inner liquid medicine also can not be sucked up to transition container 5;
Step 5, pull out pin, as shown in Figure 9, transition container 5 inner liquid medicine is injected into after powder pin bottle 1 completes, air pump 12 stops suction, syringe needle 1, syringe needle 24 are extracted respectively in powder pin bottle 1, transfusion bag 5, and shakes up powder pin bottle 1 inner liquid medicine, make medicament and medicinal liquid Homogeneous phase mixing in powder pin bottle 1;
Step 6, exchange pin position, as shown in Figure 10, exchange powder pin bottle 1, transfusion bag 2 pin position, powder pin bottle 1 aimed at syringe needle 24, transfusion bag alignment pins first 3, for contact pin is prepared;
Step 7, contact pin, as shown in figure 11, inserted by syringe needle 24 at the bottom of 1 bottle, powder pin bottle, syringe needle 1 inserts in transfusion bag 2;
Step 8, suction, as shown in Figure 12,13, booster air pump 12 air-breathing, negative pressure is formed at transition container 5, now in transition container 5, the applying power of negative pressure flows on the contrary with check valve 1, flows to identical with check valve 27, and then the medicinal liquid in powder pin bottle 1 is sucked in transition container by catheter 29, check valve 27, and transfusion bag 2 inner liquid medicine and transition container 5 not intercommunication;
Step 9, injection, as shown in figure 14, aspirate rear air pump 12 to blow, malleation is formed at transition container 5, now in transition container 5, the applying power of malleation flows on the contrary with check valve 27, flows to identical with check valve 1, therefore transition container 5 inner liquid medicine is injected in transfusion bag 2 by catheter 1, check valve 1, transition container 5 inner liquid medicine can't be back to powder pin bottle 1, second liquid-level controller 11 that can detect this certain cross section of catheter 1 (in as Figure 14 position shown in C-D) medicinal liquid is also provided with around catheter 1, this second liquid-level controller 11 can control air pump 12 switch, when medicinal liquid is injected transfusion bag 2 by transition container 5, when the second liquid-level controller 11 detects that on catheter 1, this cross section is flow through without medicinal liquid, second liquid-level controller 11 by signal transmission to air pump 12 and control air pump 12 switch close, air pump 12 stops blowing, stop injecting, transition container 5 inner liquid medicine can be avoided also to continue to blow after all injecting transfusion bag 2, by the consequence that transfusion bag 2 is split up,
Further, because the second liquid-level controller 11, when working as that in detected catheter 1, certain cross section is flow through without medicinal liquid, just sends signal, if now air pump 12 stops suddenly, catheter 1 also has part medicinal liquid not have enough time to inject transfusion bag 2, can cause the waste of part medicinal liquid; Just stop blowing if air pump 12 postpones 0-2s, then having a sufficient time all injects transfusion bag 2 by residual liquor in catheter 1; Certainly, the delay that also can realize air pump 12 by other means stops blowing, and sends signal, then control air pump 12 switch and quit work to make residual liquor in catheter 1 all inject transfusion bag 2 as the second liquid-level controller 11 postpones 0-2s;
Step 10, pull out pin, complete and make up a prescription, as shown in figure 15, after transition container 5 inner liquid medicine all injects transfusion bag 2, stop air pump 12, extract syringe needle 1, syringe needle 24, then complete medicament in powder pin bottle 1 and be injected into the process of making up a prescription of transfusion bag 2.
When needing multiple powder pin bottle 1 inner liquid medicine when once making up a prescription, two kinds of modes can be taked to make up a prescription, first method is that all powder pin bottles 1 are according to the whole preparation in place of above-mentioned steps one, after first powder pin bottle 1 is completed made up a prescription by above-mentioned steps two to step 10, second powder pin bottle 1 is in place, repeat step 2 and carry out making up a prescription of a new round to step 10, until all powder pin bottle 1 inner liquid medicines are formulated in this transfusion bag 2; Second method is that all powder pin bottles 1 are according to the whole preparation in place of above-mentioned steps one, all powder pin bottles 1 are injected in each powder pin bottle 1 by above-mentioned steps two to stresses on decorum, manners, hygiene, discipline and morals transfusion bag 2 inner liquid medicine successively, after shaking up, all exchange pin position according to above-mentioned steps six, then by above-mentioned steps six to ten, powder pin bottle 1 inner liquid medicine is injected into transfusion bag 2 successively; Certainly can also according to practical situation two kinds of methods with the use of.
After finally the medicinal liquid (comprising the ampoule bottle inner liquid medicine that may need) of this transfusion bag 2 has all been prepared, catheter 1, catheter 29, syringe needle 1, syringe needle 24, check valve 1, check valve 27, transition container 5, all powder pin bottles 1 are all put into the collecting box of specifying.Reset new dispensation apparatus, repeats step one and again make up a prescription to step 10.
The check valve-type dispensation apparatus that above-mentioned powder pin bottle 1 uses with dosage, as shown in Figure 16,17, comprise check valve 1, check valve 27, one end of check valve 1, one end of check valve 27 connect catheter 1, catheter 29 respectively, check valve 1 other end, check valve 27 other end are connected to interface 1, interface 2 502 on transition container 5, wherein the flow direction of check valve 1 flows to catheter 1 from transition container 5, the flow direction of check valve 27 flows to transition container 5 from catheter 29, and the interface 3 503 of transition container 5 connects air pump 12; Catheter 1 end is provided with syringe needle 1, and catheter 29 end is provided with syringe needle 24.
Because transfusion bag 2 and powder pin bottle 1 are enclosed, as when transfusion bag 2 or powder pin bottle 1 inner liquid medicine increase gradually or reduce, because transfusion bag 2 is soft medical bag, powder pin bottle 1 is hard medical products, transfusion bag 2 volume just can expand or reduce, the increase of powder pin bottle 1 inner liquid medicine or minimizing all can cause increase or the minimizing of powder pin bottle 1 internal gas pressure, now respectively at syringe needle 1, syringe needle 24 is arranged the venting pinhole 1 be connected with air, venting pinhole 2 403, as Figure 18, shown in 20, be used for balancing atmospheric pressure and external atmosphere pressure in transfusion bag 2 or powder pin bottle 1, the suction continuation superdistension of transfusion bag 2 volume can being avoided to cause be split up transfusion bag 2 and avoid the increase of powder pin bottle 1 air or minimizing to cause and inject difficulty.Venting pinhole 1 in syringe needle 1 is parallel to each other with transfusion pin hole 1, and the venting pinhole 2 403 in syringe needle 24 is parallel to each other with transfusion pin hole 2 402.
When transition container 5 inner liquid medicine injects transfusion bag 2, if the liquid level of transfusion bag 2 inner liquid medicine has been increased beyond the bottom of syringe needle 1, submergence venting pinhole 1 end, air in transfusion bag 2 and ambient atmosphere are isolated, then transfusion bag 2 inner liquid medicine is when interior atmospheric pressure increases, flow out transfusion bag 2 by venting pinhole 1 possibly, cause waste; So be also provided with some equally distributed pores 1 on venting pinhole 1 sidewall, as shown in figure 19, even if transfusion bag 2 inner liquid medicine rises bottom submergence syringe needle 1, still have and be positioned at the higher part holes 1 in syringe needle 1 position and transfusion bag 2 air can be communicated with venting pinhole 1 and ambient atmosphere, atmospheric pressure inside and outside balance transfusion bag 2, make transition container 5 smoothly medicinal liquid can be injected transfusion bag 2, and transfusion bag 2 inner liquid medicine also can not overflow and pollutes and waste.In like manner, syringe needle 24 also can be provided with some pores 2 404 on venting pinhole 2 403 sidewall away from transfusion pin hole 2 402, and syringe needle 1 and syringe needle 24 structure, shape are identical, mutually can replace use, cost-saving.
Above-mentioned breather 13 is also provided with drainage screen 14, and air pump 12 is by breather 13 when blowing to transition container 5, and drainage screen 13 can filter out the particulate contaminant in air, avoids polluting transition container 5 inner liquid medicine; Air pump 12 is when air-breathing, and drainage screen 14 can stop the medicinal liquid in transition container 5 to enter breather 13 or air pump 12 to a certain extent, avoids causing waste and polluting.
Automated dispensing is carried out in order to coordinate with machine-control automation, above-mentioned syringe needle 1 is also provided with the chuck 1 being convenient to clamp, syringe needle 24 is provided with the chuck 2 401 being convenient to clamp, as shown in figure 16, chuck 1, chuck 2 401 can coordinate the contact pin of syringe needle 1, syringe needle 24, pulled out pin and exchange the actions such as pin position with its machine-control automation; Breather 13 is also provided with the chuck 3 15 being convenient to clamp, convenient cooperation with machine-control automation realizes certainly being dynamically connected of transition container 5 and air pump 12, thus realizes the function of automated dispensing; This chuck 1, chuck 2 401, chuck 3 15 can for conventional ring-shaped and centre is provided with the chuck of cannelure, facilitate the clamping of machine-control automation, wherein this machine-control automation can be the existing mechanical hand with clamping, locomotive function.
The foregoing is only preferred embodiment of the present invention; not in order to limit the present invention; flexible infusion bags 2 described above replaces with medical common hard infusion bottle and is suitable for too; all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a powder pin bottle dosage, is characterized in that, comprise the following steps:
Step one, prepare, by catheter one (8), catheter two (9) connects the interface one (501) on transition container (5) respectively, interface two (502), described catheter one (8), catheter two (9) is respectively equipped with check valve one (6), check valve two (7), the flow direction of wherein said check valve one (6) flows to catheter one (8) from described transition container (5), the flow direction of described check valve two (7) flows to described transition container (5) from described catheter two (9), interface three (503) on described transition container (5) connects air pump (12) by breather (13), described catheter one (8) end is provided with syringe needle one (3), described catheter two (9) end is provided with syringe needle two (4), by powder pin bottle (1) and transfusion bag (2) in place respectively and aim at described syringe needle one (3), syringe needle two (4),
Step 2, contact pin, insert described syringe needle one (3) in described powder pin bottle (1), insert in described transfusion bag (2) by described syringe needle two (4);
Step 3, suction, described air pump (12) air-breathing, in described transition container (5), form negative pressure, and then the medicinal liquid in described transfusion bag (2) is sucked in described transition container (5) by described catheter two (9), check valve two (7);
Step 4, injection, aspirate the air blowing of rear described air pump (12), in described transition container (5), form malleation, described transition container (5) inner liquid medicine injects in described powder pin bottle (1) by described catheter one (8), check valve one (6);
Step 5, pull out pin, described transition container (5) inner liquid medicine is injected into after described powder pin bottle (1) completes, described air pump (12) stops suction, described syringe needle one (3), syringe needle two (4) are extracted from described powder pin bottle (1), transfusion bag (2) respectively, and shakes up described powder pin bottle (1) inner liquid medicine;
Step 6, exchange pin position, exchange described powder pin bottle (1), transfusion bag (2) pin position, described powder pin bottle (1) is aimed at described syringe needle two (4), described transfusion bag (2) aims at described syringe needle one (3);
Step 7, contact pin, inserted at the bottom of described powder pin bottle (1) bottle by described syringe needle two (4), described syringe needle one (3) inserts in described transfusion bag (2);
Step 8, suction, described air pump (12) air-breathing, in described transition container (5), form negative pressure, and then the medicinal liquid in described powder pin bottle (1) is sucked in described transition container (5) by described catheter two (9), check valve two (7);
Step 9, injection, aspirate the air blowing of rear described air pump (12), in described transition container (5), form malleation, described transition container (5) inner liquid medicine injects in described transfusion bag (2) by described catheter one (8), check valve one (6);
Step 10, pull out pin, complete and make up a prescription, after described transition container (5) inner liquid medicine all injects described transfusion bag (2), stop described air pump (12), extract described syringe needle one (3), syringe needle two (4), then complete the process of making up a prescription that the interior medicament of described powder pin bottle (1) is injected into described transfusion bag (2).
2. powder pin bottle dosage according to claim 1, it is characterized in that, also comprise first liquid-level controller (10) that can detect transition container (5) inner liquid medicine height in described step 3, medicinal liquid in described step 3 in transfusion bag (2) is pumped in described transition container (5), when medicinal liquid liquid level reaches a certain position in described transition container (5), described first liquid-level controller (10) sends signal, this signal transmission is given described air pump (12) and is controlled described air pump (12) switch and closes, described step 3 suction stops, the medicine liquid volume that described transition container (5) this position holds is less than described powder pin bottle (1) volume.
3. a kind of powder pin bottle dosage according to claim 1, it is characterized in that, also comprise second liquid-level controller (11) that can detect certain cross section medicinal liquid of catheter one (8) in described step 9, when described second liquid-level controller (11) detects that the upper described cross section of described catheter one (8) is flow through without medicinal liquid, signal transmission is given described air pump (12) and is controlled described air pump (12) switch and closes by described second liquid-level controller (11), described air pump (12) stops blowing, and described step 9 is injected and stopped.
4. a kind of powder pin bottle dosage according to claim 3, it is characterized in that, signal transmission is given described air pump (12) by described second liquid-level controller (11), and time delay 0-2s controls the closedown of described air pump (12) switch, described air pump (12) stops blowing.
5. a kind of powder pin bottle dosage according to claim 1, it is characterized in that, described syringe needle one (3) is provided with the chuck one (301) being convenient to clamp described syringe needle one (3), described syringe needle two (4) is provided with the chuck two (401) being convenient to clamp described syringe needle two (4), and described breather (13) is provided with the chuck three (15) being convenient to clamp described breather (13).
6. according to the check valve-type dispensation apparatus that the arbitrary described a kind of powder pin bottle dosage of claim 1-5 uses, comprise described catheter one (8), catheter two (9), it is characterized in that, by described catheter one (8), described catheter two (9) connects the described interface one (501) on described transition container (5) respectively, described interface two (502), described check valve one (6) is provided with between described catheter one (8) and described interface one (501), described check valve two (7) is provided with between described catheter two (9) and described interface two (502), the flow direction of wherein said check valve one (6) flows to described catheter one (8) from described transition container (5), the flow direction of described check valve two (7) flows to described transition container (5) from described catheter two (9), interface three (503) on described transition container (5) connects described air pump (12), described catheter one (8) end is provided with syringe needle one (3), and described catheter two (9) end is provided with syringe needle two (4).
7. check valve-type dispensation apparatus according to claim 6, it is characterized in that, the venting pinhole one (303) that described syringe needle one (3) is provided with transfusion pin hole one (302) and is connected with air, the venting pinhole two (403) that described syringe needle two (4) is provided with transfusion pin hole two (402) and is connected with air.
8. check valve-type dispensation apparatus according to claim 7, it is characterized in that, described transfusion pin hole one (302), venting pinhole one (303) are parallel to each other and are located in described syringe needle one (3), and described transfusion pin hole (402), venting pinhole (403) are parallel to each other and are located in described syringe needle two (4).
9. check valve-type dispensation apparatus according to claim 8, it is characterized in that, described venting pinhole one (303) sidewall away from described transfusion pin hole one (302) on described syringe needle one (3) is provided with some pores one (304), and described venting pinhole two (403) sidewall away from described transfusion pin hole two (402) on described syringe needle two (4) is provided with some pores two (404).
10. check valve-type dispensation apparatus according to claim 6, it is characterized in that, be provided with breather (13) between described transition container (5) and air pump (10), described breather (13) is provided with drainage screen (14).
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| CN110353990A (en) * | 2019-06-14 | 2019-10-22 | 中国人民解放军陆军军医大学第二附属医院 | A kind of dispensation apparatus |
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