CN203291230U

CN203291230U - Check valve type dispensing device

Info

Publication number: CN203291230U
Application number: CN2013203704750U
Authority: CN
Inventors: 邱士安; 王超; 杜涛; 乐绍文; 罗垂敏
Original assignee: Chengdu Technological University CDTU
Current assignee: Chengdu Technological University CDTU; Chengdu Univeristy of Technology
Priority date: 2013-06-25
Filing date: 2013-06-25
Publication date: 2013-11-20
Anticipated expiration: 2023-06-25

Abstract

The utility model discloses a check valve type dispensing device. The check valve type dispensing device comprises a transitional container; the first opening, the second opening and the third opening which are formed on the transitional container are respectively connected with a first fluid guiding pipe, a second fluid guiding pipe and an air pump; a first check valve is arranged between the first fluid guiding pipe and the first opening; a second check valve is arranged between the second fluid guiding pipe and the second opening; a ventilation pipe and a filtering screen are arranged between a transitional pump and the air pump; the end portion of the first fluid guiding pipe is connected with a first syringe needle; the end portion of the second fluid guiding pipe is connected with a second syringe needle; a first clamping head, a second clamping head and a third clamping head are respectively arranged on the first syringe needle, the second syringe needle and the ventilation pipe. The check valve type dispensing device has the advantages of being simple in structure and convenient to operate, enabling automatic dispensing to be achieved and improving the dispensing efficiency; being simple and reliable in dispensing due to the facts that ventilation needle holes and air holes in the first syringe needle and the second syringe needle can balance air pressures of an infusion bag and inside and outside an injection bottle and two hydraulic controllers monitor the dispensing process; further improving the dispensing efficiency due to the fact that the dispensing device can be matched with a mechanical automatic control device to achieve insertion and pulling out of the three syringe needles.

Description

The check valve-type dispensation apparatus

Technical field

This utility model relates to a kind of field of medical, and particularly a kind of powder pin bottle is with dosage and this dosage check valve-type dispensation apparatus used.

Background technology

At present, in hospital, carry out venous transfusion while making up a prescription, normally utilize manually-operated first with syringe, in one or more injection bottles, to extract medicinal liquid, in the infusion bottle that reinjects, for its transfusion.Above-mentioned operating process more complicated, when especially needs being configured to medicinal liquid in a large number, high to nurse's labor intensity, and inefficiency.

for this reason, Chinese patent application numbers 201220041839.6, Granted publication CN 202459331 U disclose 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 that structure comprises pipette 01, the first check valve 02, protective cap A03, liquid injection pipe 04, the second check valve 05, protective cap B06, pipe joint 07, wherein pipette 01, liquid injection pipe 04, pipe joint 07 connects for three way type, 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 of the use of making up a prescription, in pipette 01, be provided with the first check valve 02, the liquid stream controlling party of the first check valve 02 is to for flowing from outside to inside, in liquid injection pipe 04, be provided with the second check valve 05, the second check valve 05 the liquid stream controlling party to for from inside to outside flowing, pipette 01 skin also is provided with protective cap A03, liquid injection pipe 04 skin also is provided with protective cap B06.All parts all can adopt the high molecule plastic material to make, and the end of pipette 01 and liquid injection pipe 04 is set to tip-like, replace syringe needle to draw and the injection medicinal liquid.

while using this Special dispensing device, first pipe joint 07 is connected to syringe, in pipette 01 is inserted to the medicinal liquid of cillin bottle or powder pin bottle, liquid injection pipe 04 inserts in large transfusion bottle simultaneously, twitch the syringe pintle, the resorption medicinal liquid enters syringe by the first check valve 02 of pipette 01, this moment, the second check valve 05 of liquid injection pipe 04 was in closed condition, again promote pintle, medicinal liquid injects large transfusion bottle from the second check valve 05 of liquid injection pipe 04, this moment, the first check valve 02 of pipette 01 was closed, complete after making up a prescription and device is put into to the medical waste collection box do harmless treatment.

But, although this has been avoided the secondary pollution of the process of making up a prescription with the disposable Special dispensing device of double needle and check valve, also there is following deficiency, be mainly manifested in:

1, this dispensation apparatus need to use syringe to carry out manual operations medicinal liquid is pumped in syringe, and then pushes to infusion bottle, and manual dispensing operation trouble, efficiency are lower, and the occasion of especially making up a prescription in a large number at needs, can not meet the demands;

2, the first check valve 02, the second check valve 05 are all to be built in respectively in pipette 01, liquid injection pipe 04, because pipette 01, liquid injection pipe 04 are the Dispoable medical product, pipette 01, liquid injection pipe 04 complex structure, cost with built-in one-way valve structures are higher;

While 3, making up a prescription, if pipette 01, liquid injection pipe 04 not with the passage of ambient atmosphere ventilation, syringe is in the infusion bottle that medicinal liquid is pushed to sealing the time, in infusion bottle internal pressure increase situation, medicinal liquid is difficult for being sucked out smoothly injection bottle or being injected into infusion bottle, makes up a prescription difficulty can occur; When injection bottle was powder pin bottle, pipette 01 was without venting channels, when injecting or extract medicinal liquid, also can cause easily in powder pin bottle that atmospheric pressure is excessive is enough to cause the difficulty of making up a prescription;

4, the pipe joint 07 that this dispensation apparatus uses connects pipette 01, liquid injection pipe 04, syringe forms threeway and connects, due to pipette 01, liquid injection pipe 04 end is needle point, so pipette 01, liquid injection pipe 04 is plastic conduit, and pipe joint 07 belongs to tee pipe coupling, in pipette 01, liquid injection pipe 04 is with after pipe joint 07 is connected, pipette 01, liquid injection pipe 04 can't bend, be difficult to adapt to the different situations of making up a prescription, as be difficult to the injection bottle that will connect (as ampoule bottle, powder pin bottle), infusion bottle keeps horizontal positioned simultaneously, it is injection bottle, infusion bottle may one of them be in level and another is in heeling condition, pipette 01, liquid injection pipe 04 limited length can't move simultaneously, are inconvenient to make up a prescription.

The utility model content

The purpose of this utility model is to overcome existing dispensation apparatus in prior art to be needed manual propelling movement or extracts the lower above-mentioned deficiency of inconvenience, operating difficulties, efficiency that injection is made up a prescription, and a kind of check valve-type dispensation apparatus is provided.

To achieve these goals, the another kind of technical scheme that provides of this utility model is:

A kind of check valve-type dispensation apparatus, comprise described check valve one, described check valve two, also comprise transition container, described transition container is provided with interface one, interface two, interface three, wherein said interface one, described interface two connect respectively catheter one, catheter two, and described interface three connects air pump; Between described catheter one and described interface one, be provided with described check valve one, between described catheter two and described interface two, be provided with described check valve two, the flow direction of wherein said check valve one is to flow to described catheter one from described transition container, and the flow direction of described check valve two is to flow to described transition container from described catheter two; Described catheter one end is provided with syringe needle one, and described catheter two ends are provided with syringe needle two.

Above-mentioned check valve-type dispensation apparatus be by air pump blow, air-breathing, coordinate simultaneously check valve one, check valve two that the injection bottle inner liquid medicine is pumped to transition container, and then the transition container inner liquid medicine injected to transfusion bag.To injection bottle (as ampoule bottle, powder pin bottle), when transfusion bag is made up a prescription, above-mentioned catheter one, catheter two, syringe needle one, syringe needle two are vertical direction, but so equal horizontal positioned of injection bottle, transfusion bag, and catheter one, catheter two all have certain-length and can be medical soft conduit commonly used, so injection bottle, transfusion bag can move to according to actual needs correct position and make up a prescription, make up a prescription conveniently.

Preferably, the ventilation pin hole two that the ventilation pin hole one that described syringe needle one is provided with transfusion pin hole one and is connected with atmosphere, described syringe needle two are provided with transfusion pin hole two and are connected with atmosphere.

Transfusion pin hole one, transfusion pin hole dual-purpose inject or aspirate transfusion bag or injection bottle herb liquid, because transfusion bag is enclosed, as when the transfusion bag inner liquid medicine increases gradually or reduces, because transfusion bag is the soft medical bag, the transfusion bag volume just can expand or dwindle, the ventilation pin hole one that this moment, syringe needle arranged on, syringe needle two, ventilation pin hole two can the balance transfusion bag in atmospheric pressure and external atmosphere pressure, avoid the continuation superdistension of transfusion bag volume to cause and be split up transfusion bag; When transfusion bag is replaced with the hard infusion bottle, be also in like manner.In addition, when injection bottle is powder pin bottle, because powder pin bottle is the 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, with ventilation pin hole one, the syringe needle one of ventilation pin hole two, the difficulty that syringe needle two can avoid aspirating or injecting powder pin bottle liquid medicine; When injection bottle is ampoule bottle, due to ampoule bottle for removing the cap opening, coordinate syringe needle that ampoule bottle uses once or the syringe needle two single hole pin that can select only to have the transfusion pin hole can realize the suction of ampoule bottle medicinal liquid.

Preferably, described transfusion pin hole one, ventilation pin hole one are parallel to each other and are located in described syringe needle one, and described transfusion pin hole two, the two-phase of ventilation pin hole be parallel being located in described syringe needle two mutually.

Preferably, described ventilation pin hole one sidewall away from described transfusion pin hole one on described syringe needle one is provided with some pores one, and described ventilation pin hole two sidewalls away from described transfusion pin hole two on described syringe needle two are provided with some pores two.

When transition container inner liquid medicine injects transfusion bag, if rising, the liquid level of transfusion bag inner liquid medicine surpassed the bottom of syringe needle one, submergence ventilation pin hole one end, by atmosphere in transfusion bag and ambient atmosphere isolation, the transfusion bag inner liquid medicine is in the situation that the increase of inner atmosphere pressure, by the ventilation pin hole is first-class, go out transfusion bag possibly, cause waste; So be provided with some pores one on ventilation pin hole one sidewall, in transfusion bag inner liquid medicine rising submergence syringe needle one bottom, still have and be positioned at the higher part holes one in syringe needle one position and the transfusion bag air can be communicated with ventilation pin hole one and ambient atmosphere, the atmospheric pressure that the balance transfusion bag is inside and outside, not only transition container can inject transfusion bag by medicinal liquid smoothly, and the transfusion bag inner liquid medicine yet can not overflow and pollute and waste.In like manner, syringe needle two can be provided with some pores two too on described ventilation pin hole two sidewalls away from described transfusion pin hole two, and syringe needle one and syringe needle two structures, shape are identical, can mutually replace, and be cost-saving.

Preferably, described pore one is evenly distributed on described ventilation pin hole one sidewall, and described pore two is evenly distributed on described ventilation pin hole two sidewalls.

Preferably, between described transition container and air pump, be provided with breather, described breather is provided with drainage screen.

Air pump by breather when to transition container, blowing, drainage screen can filter out airborne particulate matter impurity, avoid polluting the 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 pollutes.

Preferably, described syringe needle one is provided with the chuck one of being convenient to the described syringe needle one of clamping, and described syringe needle two is provided with the chuck two of being convenient to the described syringe needle two of clamping, and described breather is provided with the chuck three of being convenient to the described breather of clamping.

Chuck one on syringe needle one, the chuck two on syringe needle two, the chuck three on breather can by with the coordinating of machine automatization control device, complete syringe needle one, syringe needle two movement, contact pin, pull out pin and the exchange actions such as pin position, or complete certainly being dynamically connected of breather and air pump, realize the function of automated dispensing; Chuck one, chuck two, chuck three are chosen as annular shape groove structure, facilitate the automatic clamping of machine automatization device firm.This machine automatization control device can be mechanical hand, and mechanical hand is the commonly used function that has clamping, moves of prior art.

Preferably, this check valve-type dispensation apparatus also comprises the first liquid-level controller, when described transition container inner liquid medicine injects transfusion bag by described catheter one, when detecting certain cross section on described catheter one, described the first liquid-level controller flows through without medicinal liquid, described the first liquid-level controller passes to described air pump by signal and controls described air pump switch and cut out, described air pump stops blowing, and injection stops.

Further preferably, described the first liquid-level controller passes to described air pump by signal, and time delay 0-2s controls described air pump switch and close, and described air pump stops blowing.

Because the first liquid-level controller is while working as in the catheter one that detects that certain cross section is flow through without medicinal liquid, just send signal, if this moment the air pump cut, catheter one also has the part medicinal liquid transfusion bag that do not have enough time to inject, and can cause the waste of part medicinal liquid; If air pump postpones 0-2s, just stop blowing, having a sufficient time all injects transfusion bag by the interior residual liquor of catheter one.Certainly, the delay that also can realize by other means air pump stops blowing, and as the first liquid-level controller, postpones 0-2s and sends signal, then control air pump switch and quit work to make the interior residual liquor of catheter one all to inject transfusion bag.

preferably, this check valve-type dispensation apparatus also comprises second liquid-level controller that can detect described transition container inner liquid medicine height, medicinal liquid in described transfusion bag is pumped in described transition container, in the medicinal liquid liquid level reaches described transition container during a certain position, described the second liquid-level controller sends signal, this signal passes to described air pump and controls described air pump switch and close, suction stops, the medicine liquid volume that on described transition container, this position holds is less than described injection bottle volume, when this second liquid-level controller especially is powder pin bottle for injection bottle, from after transfusion bag inner liquid medicine input transition container, reinjecting, to medicament in powder pin bottle, mix and just can not cause the waste of overflowing constantly.

Compared with prior art, the beneficial effects of the utility model:

1, this utility model adopts the cooperation of transition container and air pump, when injection bottle is ampoule bottle, by air pump is air-breathing, first the ampoule bottle inner liquid medicine is pumped to transition container, and air pump is blown and just the transition container inner liquid medicine all injected to transfusion bag and complete and make up a prescription; When injection bottle is powder pin bottle, by the transfusion bag inner liquid medicine by the air-breathing transition container that first is pumped to of air pump, it injects in powder pin bottle and mixes again, then exchange the pin position, powder pin bottle inner liquid medicine is pumped to transition container, then is injected into transfusion bag, compare the manually-operated syringe, the method can realize that automatization makes up a prescription, and is simple to operate, greatly improved dispensing efficiency;

2, the chuck one on syringe needle one described in the utility model, chuck two on syringe needle two, by with the coordinating of machine automatization control device (as mechanical hand), can carry out automatic needle inserting to syringe needle one, syringe needle two, pull out pin, exchange the pin position, comparing manually makes up a prescription plugs and unplugs syringe needle, can further improve automated dispensing efficiency;

3, powder pin bottle dispensation apparatus described in the utility model, by check valve one, the check valve two external transition container of difference and catheter one and catheters two, compare the pipette or the liquid injection pipe that use disposable built-in check valve, simple in structure, connect easyly, easy to maintenance, cost is lower;

4, in syringe needle one described in the utility model, be provided with ventilation pin hole one and pore one, syringe needle two is provided with ventilation pin hole two and pore two too, when transition container inner liquid medicine injects transfusion bag by syringe needle one (or syringe needle two), ventilation pin hole one and pore one (or pin hole two, pore two) can guarantee the balance of atmosphere and ambient atmosphere in transfusion bag, increase simplicity and operability that medicinal liquid injects, can the transfusion bag of sealing be split up because of the lasting injection of medicinal liquid simultaneously; This syringe needle one, syringe needle two are equally applicable to powder pin bottle, and in the time of guaranteeing powder pin bottle at the injection medicinal liquid or extract medicinal liquid, atmospheric pressure balance inside and outside bottle, aspirate quicker, laborsaving;

5, this utility model is provided with the first liquid-level controller in a certain cross section of catheter one, and can the time-delay closing air pump, transition container and the interior remaining medicinal liquid of catheter one all can be injected to transfusion bag, avoid the waste of medicinal liquid, and in time stop air pump, energy savings; In addition when configuration powder pin bottle liquid medicine, also be provided with second liquid-level controller that can detect transition container inner liquid medicine height, can control the transfusion bag inner liquid medicine and be pumped to the amount in transition container, avoid the transition container suction too much its medicinal liquid to be injected after powder pin bottle while with medicament, mixing, cause and overflow waste;

When 6, dosage described in the utility model makes up a prescription to injection bottle, because catheter one, catheter two, syringe needle one, syringe needle two are vertical direction, by catheter one, catheter two and syringe needle one, syringe needle two, coordinate respectively injection bottle and transfusion bag, catheter one, catheter two all have certain-length, so mobile injection bottle, transfusion bag to correct position make up a prescription according to actual needs, make up a prescription conveniently.

The accompanying drawing explanation:

Fig. 1 is the schematic diagram of a kind of disposable Special dispensing device with double needle and check valve of prior art;

Fig. 2 is the schematic diagram that pipette in Fig. 1, liquid injection pipe are connected with pipe joint.

Fig. 3 is the structural representation of check valve-type dispensation apparatus described in the utility model;

Fig. 4 is the structural representation of transition container described in the utility model;

Fig. 5 is syringe needle one structural representation of the described check valve-type dispensation apparatus of utility model;

Fig. 6 is the enlarged diagram of partial structurtes A in Figure 10;

Fig. 7 is that the syringe needle two of check valve-type dispensation apparatus described in the utility model is the structural representation of Two-hole needle;

Fig. 8 is that the syringe needle two of check valve-type dispensation apparatus described in the utility model is the structural representation of single hole pin;

Fig. 9 is that this utility model makes up a prescription to ampoule bottle is the schematic diagram of preparatory stage;

Figure 10 is the schematic diagram of this utility model contact pin when ampoule bottle is made up a prescription;

Figure 11 is the schematic diagram of this utility model while the ampoule bottle inner liquid medicine being pumped to transition container when ampoule bottle is made up a prescription;

Figure 12 is that in dosage described in the utility model, transition container injects the schematic diagram of medicinal liquid to transfusion bag;

Figure 13 pulls out the schematic diagram of pin after this utility model completes the ampoule bottle liquid medicine dispensation;

The schematic diagram of Figure 14 is this utility model when powder pin bottle is made up a prescription preparatory stage;

Figure 15 is the schematic diagram of this utility model contact pin when powder pin bottle is made up a prescription;

Figure 16 is the schematic diagram of this utility model when the transfusion bag medicinal liquid is pumped to transition container when powder pin bottle is made up a prescription;

Figure 17 is the schematic diagram that in dosage described in the utility model, the transition container inner liquid medicine injects powder pin bottle;

Figure 18 pulls out the schematic diagram of pin in dosage described in the utility model;

Figure 19 is the schematic diagram behind powder pin bottle in dosage described in the utility model, transfusion bag exchange pin position;

Figure 20 is the schematic diagram of contact pin in dosage described in the utility model;

Figure 21 is the schematic diagram of transition container suction powder pin bottle inner liquid medicine in dosage described in the utility model;

Figure 22 is that in dosage described in the utility model, transition container injects the schematic diagram of medicinal liquid to transfusion bag;

Figure 23 has pulled out the schematic diagram of pin after this utility model has made up a prescription to powder pin bottle.

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, injection bottle, 2, transfusion bag, 3, syringe needle one, 301, chuck one, 302, transfusion pin hole one, 303, ventilation pin hole one, 304, pore one, 4, syringe needle two, 401, chuck two, 402, transfusion pin hole two, 403, ventilation pin hole 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, air pump, 11, the first liquid-level controller, 12, the second liquid-level controller, 13, breather, 14, drainage screen, 15, chuck three.

The specific embodiment

Below in conjunction with test example and the specific embodiment, this utility model is described in further detail.But this should be interpreted as to the scope of the above-mentioned theme of this utility model only limits to following embodiment, all technology that realizes based on this utility model content all belong to scope of the present utility model.

As shown in Fig. 3-8, a kind of check valve-type dispensation apparatus, comprise check valve 1, check valve 27, transition container 5, described transition container 5 is provided with interface 1, interface 2 502, interface 3 503, wherein interface 1, described interface 2 502 connect respectively catheter 1, catheter 29, and interface 3 503 connects air pump 10; Between catheter 1 and interface 1, be provided with check valve 1, between catheter 29 and interface 2 502, be provided with check valve 27, wherein the flow direction of check valve 1 is to flow to catheter 1 from transition container 5, the flow direction of check valve 27 is to flow to transition container 5 from catheter 29, and transition container 5 connects air pump 10; Catheter one 8 ends are provided with syringe needle 1, and catheter 29 ends are provided with syringe needle 24.

transfusion bag 2 is enclosed, when injection bottle is powder pin bottle 102, powder pin bottle 102 is also enclosed, as when transfusion bag 2 or powder pin bottle 102 inner liquid medicines increase gradually or reduce, because transfusion bag 2 is the soft medical bag, powder pin bottle 102 is the hard medical products, transfusion bag 2 volumes just can expand or dwindle, the increase of powder pin bottle 102 inner liquid medicines or minimizing all can cause increase or the minimizing of powder pin bottle 102 internal gas pressures, this moment is respectively at syringe needle 1, the ventilation pin hole 1 that is connected with atmosphere is set on syringe needle 24, ventilation pin hole 2 403, as Fig. 5, shown in 7, be used for balance transfusion bag 2 or powder pin bottle 102 interior atmospheric pressure and external atmosphere pressure, can avoid the continuation superdistension of transfusion bag 2 volumes to cause being split up transfusion bag 2 and avoid the increase of powder pin bottle 102 atmosphere or suction that minimizing causes and inject difficulty.Ventilation pin hole 1 in syringe needle 1 is parallel to each other with transfusion pin hole 1, and the ventilation pin hole 2 403 in syringe needle 24 is parallel to each other with transfusion pin hole 2 402.When injection bottle when removing cap ampoule bottle 101, owing to being that ampoule bottle 101 is open types, so the syringe needle 24 that coordinates with ampoule bottle 101 (or syringe needle 1) does not need to arrange an open to atmosphere venting channels of company again, only need to have the single hole pin of transfusion pin hole, as shown in Figure 8, just can realize the ampoule bottle medicinal liquid is injected to transition container 5.

When transition container 5 inner liquid medicines inject transfusion bag 2, if rising, the liquid level of transfusion bag 2 inner liquid medicines surpassed the bottom of syringe needle 1, submergence ventilation pin hole one 303 ends, by the interior atmosphere of transfusion bag 2 and ambient atmosphere isolation, transfusion bag 2 inner liquid medicines are in the situation that the increase of inner atmosphere pressure, by ventilation pin hole 1, flow out transfusion bag 2 possibly, cause waste; So also be provided with some equally distributed pores 1 on ventilation pin hole one 303 sidewalls, as shown in Figure 6, even transfusion bag 2 inner liquid medicines have risen submergences syringe needle one 3 bottoms, still have and be positioned at the higher part holes 1 in syringe needle one 3 positions and transfusion bag 2 air can be communicated with ventilation pin hole 1 and ambient atmosphere, the atmospheric pressure that balance transfusion bag 2 is inside and outside, make transition container 5 can smoothly medicinal liquid be injected to transfusion bag 2, and transfusion bag 2 inner liquid medicines yet can not overflow and pollute and waste.In like manner, syringe needle 24 also can be provided with some pores 2 404 on ventilation pin hole 2 403 sidewalls away from transfusion pin hole 2 402, and syringe needle 1 and syringe needle 24 structures, shape are identical, can mutually replace use, and be cost-saving.

In addition, breather 13 is provided with drainage screen 14, and air pump 10 is by breather 13 when blowing to transition container 5, and drainage screen 13 can filter out airborne particulate matter impurity, avoids polluting transition container 5 inner liquid medicines; Air pump 10 is when air-breathing, and drainage screen 14 can stop the medicinal liquid in transition container 5 to enter breather 13 or air pump 10 to a certain extent, avoids causing waste and pollutes.

in order to coordinate with the machine automatization control device, carry out automated dispensing, on above-mentioned syringe needle 1, also be provided with the chuck 1 of being convenient to clamping, syringe needle 24 is provided with the chuck 2 401 of being convenient to clamping, breather 13 between transition container 5 and air pump 10 is provided with chuck 3 15, as shown in Figure 3, chuck 1, chuck 2 401 can coordinate syringe needle 1 with its machine automatization control device, the contact pin of syringe needle 24, pull out the actions such as pin and exchange pin position, chuck 3 15 can coordinate with the machine automatization control device certainly being dynamically connected of breather 13 and air pump 10, realize the function of automated dispensing, this chuck 1, chuck 2 401, chuck 3 15 can be annular shape commonly used and the middle chuck that is provided with cannelure, facilitate the clamping of machine automatization control device, wherein this machine automatization control device can be existing mechanical hand with clamping, locomotive function.

While using above-mentioned check valve-type dispensation apparatus to make up a prescription to ampoule bottle 101, as shown in Fig. 9-13, its dosage comprises the following steps:

Step 1, preparation, as shown in Figure 9, check valve one 6 one ends are connected to catheter 1, check valve 271 ends connect catheter 29, again check valve one 6 other ends, check valve 27 other ends are connected to interface 1, the interface 2 502 on transition container 5, wherein the flow direction of check valve 1 is that fluid flows to catheter 1 from transition container 5, and the flow direction of check valve 27 is that fluid flows to transition container 5 (as solid arrow direction Fig. 9) from catheter 29; On transition container 5, interface 3 503 connects the dual-purpose air pump 10 of pressure-vaccum; Catheter one 8 ends are provided with syringe needle 1 in addition, and catheter 29 ends are provided with syringe needle 24, and levels are in place and aim at syringe needle 24, syringe needle 1 respectively will to go cap ampoule bottle 101 and transfusion bag 2, for contact pin is prepared;

Step 2, contact pin, as shown in figure 10, insert syringe needle 24 ampoule bottle 101 and be inserted to bottom, then syringe needle 1 is inserted in transfusion bag 2;

Step 3, suction, as shown in figure 11, booster air pump 10 air-breathing (representing the air pump inspiratory direction as dotted arrow in Figure 11), at transition container 5, form negative pressure, the interior atmosphere of transition container 5 is subjected to force direction with check valve 1, flow to identical and flow to opposite direction with check valve 27, therefore check valve one 6 conductings, check valve 27 are closed, and then the medicinal liquid in ampoule bottle 101 is sucked in transition container 5 by catheter 29, check valve 27;

Step 4, injection, as shown in figure 12, after completing, suction restarts air pump 10 air blowings (representing air pump air blowing direction as solid arrow in Fig. 7), at transition container 5, form malleation, the interior atmosphere of transition container 5 is subjected to force direction with check valve 1, to flow to mutually and with check valve 27, flow to identical (as solid arrow direction in Figure 12) on the contrary this moment, therefore check valve 1 is closed, check valve 27 conductings, transition container 5 inner liquid medicines inject in transfusion bag 2 by catheter 1, check valve 1;

Step 5, pull out pin, complete and make up a prescription, as shown in figure 13, after transition container 5 inner liquid medicines all injected transfusion bag 2, air pump 10 stopped blowing, and extracts syringe needle 1, syringe needle 24, had completed the process of making up a prescription that ampoule bottle 101 inner liquid medicines are injected into transfusion bag 2.In order to judge whether transition container 5 inner liquid medicines have all injected transfusion bag 2, a certain cross section (a-b cross section in as Figure 13) arranges the first liquid-level controller 11 in the middle of catheter 29, this first liquid-level controller 11 can be controlled air pump 10 switches, when the first liquid-level controller 11 detects this cross section on catheter 29 and flows through without medicinal liquid, the first liquid-level controller 11 passes to air pump 10 by signal and controls air pump 10 switches and cut out, air pump 10 stops blowing, and this moment, the transition container 5 interior medicinal liquid overwhelming majority just injected transfusion bag 2; But, in order not cause the waste that can remain in the interior part medicinal liquid of catheter 29, by air pump 10, be set to postpone 0-2s and stop, having the sufficient time by catheter 29 inner liquid medicines injection transfusion bag 2; Certainly, also can send signal by the first liquid-level controller 11 is postponed to 0-2s, then control air pump 10 switches and quit work to make the interior residual liquor of catheter 29 all to inject transfusion bag 2.

When once making up a prescription when a plurality of ampoule bottle 101 inner liquid medicine of needs, can make up a prescription by two kinds of modes, first method is according to the whole preparations in place of above-mentioned steps one by all ampoule bottles 101, first ampoule bottle 101 is successively after above-mentioned steps two to step 5 completes and makes up a prescription, second ampoule bottle 101 is in place, repeating step two to step 5 is carried out making up a prescription of a new round, until all ampoule bottle 101 inner liquid medicines all are formulated in this transfusion bag 2; Second method is that all ampoule bottles 101 are according to the whole preparations in place of above-mentioned steps one, by above-mentioned steps two, three, successively all ampoule bottle 101 inner liquid medicines are injected in transition container 5, then by above-mentioned steps four five faults in diagnosis and treatment, cross container 5 medicinal liquid all is injected into to transfusion bag 2; Certainly can also be used in conjunction with according to two kinds of methods of practical situation.After finally the medicinal liquid of this transfusion bag 2 (comprising powder pin bottle 102 inner liquid medicines that may need) is all prepared and completed, catheter 1, catheter 29, syringe needle 1, syringe needle 24, check valve 1, check valve 27, transition container 5, ampoule bottle 101 are all put into to the collecting box of appointment.After this has made up a prescription, the new dispensation apparatus that resets, repeating step one to step 5 is made up a prescription again.

When the above-mentioned check valve-type dispensation apparatus of application made up a prescription to powder pin bottle 102, as shown in Figure 14-23, its dosage comprised the following steps:

Step 1, preparation, as shown in figure 14, one end of check valve 1 is connected to catheter 1, one end of check valve 27 connects catheter 29, again check valve one 8 other ends, check valve 29 other ends are connected on transition container 5, wherein the flow direction of check valve 1 is to flow to catheter 1 from transition container 5, and the flow direction of check valve 27 is to flow to transition container 5 (as shown in solid arrow Fig. 3-15 points to) from catheter 29, and this transition container 5 connects the dual-purpose air pump 10 of pressure-vaccum; Catheter one 8 ends are provided with syringe needle 1, and catheter 29 ends are provided with syringe needle 24, by powder pin bottle 102 and transfusion bag 2 first 3, the syringe needle 24 of in place and alignment pins respectively, for next step contact pin is prepared;

Step 2, contact pin, as shown in figure 15, insert syringe needle 1 in powder pin bottle 102, then syringe needle 24 inserted in transfusion bag 2;

Step 3, suction, as shown in figure 16, air pump 10 air-breathing (as shown in Figure 16 dotted arrow direction), at transition container 5, form negative pressure, it applies power and flows to identical, opposite with check valve one 6 flow directions with check valve 27, 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 102 can't be inhaled in transition container 5 by check valve 1, and transition container 5 inner liquid medicines can not be injected in powder pin bottle 102 yet; For fear of transfusion bag 2 inner liquid medicines be pumped to transition container 5 interior too much cause the waste, on transition container 5, also be provided with second liquid-level controller 12 that can detect its inner medicinal liquid height, the second liquid-level controller 12 is connected with air pump 10, when the transfusion bag medicinal liquid is pumped to transition container 5, when reaching transition container 5 interior a certain position, its medicinal liquid liquid level (as Figure 16, shows the c-d liquid level position), the second liquid-level controller 12 sends signal, this signal passes to air pump 10 and controls air pump 10 switches and close, and suction stops; The medicine liquid volume that the control position of this transition container 5 holds need to be less than powder pin bottle 102 volumes, and transition container 5 inner liquid medicines just can not cause waste when injecting powder pin bottle 102 like this;

Step 4, injection, as shown in figure 17, after suction completed, air pump 10 was blown, at transition container 5, form malleation, it applies power and flows to identical, opposite with check valve 27 flow directions with check valve 1, check valve one 6 conductings this moment, check valve 27 are closed, therefore transition container 5 inner liquid medicines inject in powder pin bottles 102 by catheter 1, check valve 1, and transition container 5 inner liquid medicines can't be back to transfusion bag 2, transfusion bag 2 inner liquid medicines by check valve 27 and also can not be sucked up to transition container 5;

Step 5, pull out pin, as shown in figure 18, transition container 5 inner liquid medicines are injected into powder pin bottle 102 complete after, air pump 10 stops suction, syringe needle 1, syringe needle 24 are extracted respectively in powder pin bottle 102, transfusion bag 5, and shake up powder pin bottle 102 inner liquid medicines, powder pin bottle 102 interior medicaments are evenly mixed with medicinal liquid;

Step 6, exchange pin position, as shown in figure 19, exchange powder pin bottle 102, transfusion bag 2 pin positions, aim at syringe needles 24, transfusion bag alignment pins by powder pin bottle 102 first 3, for contact pin is prepared;

Step 7, contact pin, as shown in figure 20, at the bottom of 102 bottles, syringe needle 24 insertion powder pin bottle, syringe needle 1 inserts in transfusion bag 2;

Step 8, suction, as shown in figure 21, booster air pump is air-breathing, at transition container 5, form negative pressure, the power that applies of transition container 5 interior negative pressure flowed on the contrary, with check valve 27, flowed to identical with check valve 1 this moment, and then the medicinal liquid in powder pin bottle 102 is sucked in transition container 5 by catheter 29, check valve 27, and transfusion bag 2 inner liquid medicines and transition container 5 not intercommunications;

step 9, injection, as shown in figure 22, after suction completed, air pump 10 was blown, at transition container 5, form malleation, the power that applies of transition container 5 interior malleations flowed on the contrary, with check valve 1, flowed to identical with check valve 27 this moment, therefore transition container 5 inner liquid medicines inject in transfusion bag 2 by catheter 1, check valve 1, transition container 5 inner liquid medicines can't be back to powder pin bottle 102, around catheter 1, also be provided with first liquid-level controller 11 that can detect this catheter one 8 certain cross section (position as shown in c-d in Figure 14) medicinal liquid, this first liquid-level controller 11 is connected with air pump 10, when transition container 5 injects transfusion bag 2 by medicinal liquid, when detecting this cross section on catheter 29, the first liquid-level controller 11 flows through without medicinal liquid, the first liquid-level controller 11 passes to air pump 10 by signal and controls air pump 5 switches and cut out, air pump stops blowing, stop injecting, can avoid transition container 5 inner liquid medicines after all injecting transfusion bag 2, also to continue to blow, the consequence that transfusion bag 2 is split up,

This first liquid-level controller 11, while with above-mentioned ampoule bottle 101, making up a prescription, using method is identical, also to work as in the catheter 1 that detects when certain cross section is flow through without medicinal liquid, just send signal, if this moment air pump 10 cuts, catheter 1 also has the part medicinal liquid not have enough time to inject transfusion bag 2, can cause the waste of part medicinal liquid; If air pump 10 postpones 0-2s, just stop blowing, having a sufficient time all injects transfusion bag 2 by the interior residual liquor of catheter 1; Certainly, the delay that also can realize by other means air pump 10 stops blowing, and as the first liquid-level controller 11, postpones 0-2s and sends signal, then control air pump 10 switches and quit work to make the interior residual liquor of catheter 1 all to inject transfusion bag 2;

Step 10, pull out pin, complete and make up a prescription, as shown in figure 23, after transition container 5 inner liquid medicines all inject transfusion bag 2, stop air pump 10, extract syringe needle 1, syringe needle 24, completed the process of making up a prescription that powder pin bottle 102 interior medicaments are injected into transfusion bag 2.

When once making up a prescription, be while needing a plurality of powder pin bottle 102 inner liquid medicine, can take two kinds of modes to make up a prescription, first method is that all powder pin bottles 102 are according to the whole preparations in place of above-mentioned steps one, after first powder pin bottle 102 completes and makes up a prescription by above-mentioned steps two to step 10, second powder pin bottle 102 is in place, repeating step two to step 10 is carried out making up a prescription of a new round, until all powder pin bottle 102 inner liquid medicines are formulated in this transfusion bag 2; Second method is that all powder pin bottles 102 are according to the whole preparations in place of above-mentioned steps one, all powder pin bottles 102 are injected in each powder pin bottle 102 by above-mentioned steps two to stresses on decorum, manners, hygiene, discipline and morals transfusion bag 2 inner liquid medicines successively, after shaking up, according to above-mentioned steps six, all exchange the pin position, then by above-mentioned steps six to ten, powder pin bottle 102 inner liquid medicines are injected into to transfusion bag 2 successively; Certainly can also be used in conjunction with according to two kinds of methods of practical situation.

The last medicinal liquid of this transfusion bag 2, comprise compound the making up a prescription of ampoule bottle 101 inner liquid medicines that may need, it all puts into the collecting box of appointment by catheter 1, catheter 29, syringe needle 1, syringe needle 24, check valve 1, check valve 27, transition container 5, all powder pin bottles 102 after all preparing and completing.The new dispensation apparatus that resets, repeating step one to step 10 is made up a prescription again.

The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, it is applicable too that soft transfusion bag 2 described above replaces with medical common hard infusion bottle; In addition; this device has gone out to be applied in the medicine prescription making field; can also be applied in the field that relates to all the other liquid-liquid or powder-liquid configuration; no matter whether belong to disposable product or reusable edible product; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. check valve-type dispensation apparatus, comprise check valve one (6), check valve two (7), it is characterized in that, also comprise transition container (5), described transition container (5) is provided with interface one (501), interface two (502), interface three (503), wherein said interface one (501), described interface two (502) connect respectively catheter one (8), catheter two (9), and described interface three (503) connects air pump (10); Between described catheter one (8) and described interface one (501), be provided with described check valve one (6), between described catheter two (9) and described interface two (502), be provided with described check valve two (7), the flow direction of wherein said check valve one (6) is to flow to described catheter one (8) from described transition container (5), and the flow direction of described check valve two (7) is to flow to described transition container (5) from described catheter two (9); Described catheter one (8) end is provided with syringe needle one (3), and described catheter two (9) ends are provided with syringe needle two (4).

2. check valve-type dispensation apparatus according to claim 1, it is characterized in that, the ventilation pin hole two (403) that the ventilation pin hole one (303) that described syringe needle one (3) is provided with transfusion pin hole one (302) and is connected with atmosphere, described syringe needle two (4) are provided with transfusion pin hole two (402) and are connected with atmosphere.

3. check valve-type dispensation apparatus according to claim 2, it is characterized in that, described transfusion pin hole one (302), ventilation pin hole one (303) are parallel to each other and are located in described syringe needle one (3), and described transfusion pin hole (402), ventilation pin hole (403) are parallel to each other and are located in described syringe needle two (4).

4. check valve-type dispensation apparatus according to claim 3, it is characterized in that, upper described ventilation pin hole one (303) sidewall away from described transfusion pin hole one (302) of described syringe needle one (3) is provided with some pores one (304), and upper described ventilation pin hole two (403) sidewalls away from described transfusion pin hole two (402) of described syringe needle two (4) are provided with some pores two (404).

5. check valve-type dispensation apparatus according to claim 4, it is characterized in that, described pore one (304) is evenly distributed on described ventilation pin hole one (303) sidewall, and described pore two (404) is evenly distributed on described ventilation pin hole two (403) sidewalls.

6. check valve-type dispensation apparatus according to claim 1, is characterized in that, between described transition container (5) and air pump (10), is provided with breather (13), and described breather (13) is provided with drainage screen (14).

7. according to claim 1-6 arbitrary described check valve-type dispensation apparatus, it is characterized in that, described syringe needle one (3) is provided with the chuck one (301) of being convenient to the described syringe needle one (3) of clamping, described syringe needle two (4) is provided with the chuck two (401) of being convenient to the described syringe needle two (4) of clamping, and described breather (13) is provided with the chuck three (15) of being convenient to the described breather of clamping (13).

8. check valve-type dispensation apparatus according to claim 1, it is characterized in that, also comprise the first liquid-level controller (11), when described transition container (5) inner liquid medicine injects transfusion bag (2) by described catheter one (8), when detecting upper certain cross section of described catheter one (8), described the first liquid-level controller (11) flows through without medicinal liquid, described the first liquid-level controller (11) passes to described air pump (10) by signal and controls described air pump (10) switch and cut out, described air pump (10) stops blowing, and injection stops.

9. check valve-type dispensation apparatus according to claim 8, it is characterized in that, described the first liquid-level controller (11) passes to described air pump (10) by signal, and time delay 0-2s controls described air pump (10) switch and close, and described air pump (10) stops blowing.

10. check valve-type dispensation apparatus according to claim 1, it is characterized in that, also comprise second liquid-level controller (12) that can detect described transition container (5) inner liquid medicine height, medicinal liquid in described transfusion bag (2) is pumped in described transition container (5), in the medicinal liquid liquid level reaches described transition container (5) during a certain position, described the second liquid-level controller (12) sends signal, this signal passes to described air pump (10) and controls described air pump (10) switch and close, suction stops, the medicine liquid volume that upper this position of described transition container (5) holds is less than described injection bottle (1) volume.