CN206295452U - One kind suction air bag and drug dispensing component - Google Patents

Abstract

The utility model discloses one kind suction air bag and drug dispensing component, wherein suction air bag includes can compressing and recover the airbag body and airbag chamber body of deformation, airbag body bottom is provided with least two interfaces, and total interface and airbag body are formed in one structure；Drug dispensing component includes the suction air bag, and the total interface of airbag body bottom is respectively connected with conduit, and each end of conduit is connected with needle body.The suction air bag sets at least two interfaces in barrel end, for being directly connected to transfusion catheter, the connection of syringe and each conduit need not could be realized using three-way pipe or the conversion of other joints, connection more facilitates, suction air bag is in aspiration medicinal liquid and injection liquid, liquid will not contact with ambient atmos all the time, it is to avoid infection；Drug dispensing component is connected by aspirating the interface of air bag with transfusion catheter, needle body, and needle body is inserted into infusion bag or medicine bottle, it is possible to achieve a multiple medicine bottles are made up a prescription, simple structure, easy to connect, and dispensing efficiency is high.

Description

One kind suction air bag and drug dispensing component

Technical field

The utility model is related to a kind of field of medical device, particularly a kind of suction air bag and drug dispensing component.

Background technology

At present, when carrying out venous transfusion in hospital and make up a prescription, typically using artificial operation first with syringe from one or many Liquid is extracted in individual injection bottle, is reinjected in infusion bottle, infused for it.Above-mentioned operating process is more complicated, especially to needing When largely configuring liquid, the labour intensity to nurse is high, and inefficiency.

Therefore, China Patent Publication No. CN104248512A discloses a kind of ampoule bottle dosage and check valve-type is matched somebody with somebody Medicine device, as shown in figure 1, including check valve 1, check valve 27, the one end of check valve 1, the one end of check valve 27 connects respectively Conduit 1, conduit 27 are connect, the other end of check valve 1, the other end of check valve 27 are connected to the interface of transition container 5 First, on interface two, the flow direction of wherein check valve 1 is that fluid flows to transition container 5 from conduit 1, and the flow direction of check valve 27 is Fluid flows to conduit 27 from transition container 5, and transition container 5 connects air pump by interface three；The end of conduit 1 is provided with syringe needle one 4, the end of conduit 27 is provided with syringe needle 25；When making up a prescription, to cap ampoule bottle 3 and the difference contact pin of infusion bag 2 is removed, by the inner liquid medicine of ampoule 1 It is pumped in transition container 5 by check valve 1, the inner liquid medicine of transition container 5 is then injected into infusion bag by check valve 27 again In 2, pull out pin and complete to make up a prescription.

Using the Special dispensing device, the convenience that ampoule bottle makes up a prescription is improve really, but due to the conduit 1 and lead It is to be connected to transition container 5 and air pump in pipe 27, air pump air-breathing and air blowing, gas are directly contacted with transition container 5, i.e. gas Mixed into after air pump residual with the liquid volatilization gas in transition container 5, follow-up drug dispensing component is accessing air pump When suction is made up a prescription, last liquid volatilization gas are blown into the transition of follow-up dispensation apparatus together when being easy to be blown by air pump again In container, the liquid volatilization gas mixing to follow-up dispensation apparatus causes the pollution to subsequently making up a prescription, and increases and subsequently matches somebody with somebody The risk of medicine aleopation, and air pump air-breathing and air blowing cost are also higher.

Utility model content

The purpose of this utility model is that the transition container for overcoming existing drug dispensing component in the presence of prior art only passes through One passage is connected with air pump, after the last drug dispensing component transition container inner liquid medicine volatile matter for bringing enters air pump, then enters When row subsequently makes up a prescription, its liquid volatile matter enters in the transition container of follow-up drug dispensing component, causes different liquid volatilization gas to mix The aleopation risk of conjunction, while the relatively costly above-mentioned deficiency of air pump air blowing air-breathing, there is provided one kind is aspirated air bag and made up a prescription Component.

In order to realize above-mentioned utility model purpose, the utility model provides following technical scheme：

One kind suction air bag, including can compress and recover the airbag body and airbag chamber body of deformation, the airbag body Bottom is provided with least two interfaces, and all interfaces and the airbag body are formed in one structure.

The suction air bag, employs existing compressing gasbag structure, and its difference is to be provided with airbag body bottom At least two interfaces, for being directly connected to transfusion catheter, it is not necessary to which air bag could be realized using three-way pipe or the conversion of other joints The connection of body and each conduit, connection more facilitates；It can realize matching somebody with somebody a medicine bottle (such as ampoule bottle or powder pin bottle) Medicine, or multiple medicine bottle is made up a prescription simultaneously, liquid when being inhaled into airbag chamber body by one or more conduits simultaneously, so After recompress airbag body, liquid is transferred to infusion bag, realizes making up a prescription by other conduits again；The suction air bag is in aspiration medicinal liquid During with injection liquid, liquid will not be contacted with ambient atmos all the time, it is to avoid infection, and suction air bag after the completion of making up a prescription can Integral replacing, it is to avoid follow-up liquid aleopation, suction air bag cost comes aspiration medicinal liquid, cost with respect to air pump adaptation transition container Lower, its simple structure, easy to operate, dispensing efficiency is high, and reliability is high, it is adaptable to which existing clinical injection medicament liquid is matched somebody with somebody Put.

Preferably, each described interface outside is equipped with a ring set, and the gap area between the interface and ring set is used When connecting conduit, connection, directly insert the catheter into or screw between interface and ring set, that is, complete the connection of interface and conduit, It is convenient and reliable.

Preferably, each interface, ring set and airbag body are moulded rubber structural member.

Preferably, the airbag body bottom includes two interfaces, respectively inlet and liquid outlet, using two The suction air bag of interface, is easy to man-to-man make up a prescription medicine bottle.

Preferably, the airbag body bottom is provided with a three-way pipe, and the Single port of the three-way pipe connects the air bag Cavity, used as two interfaces, the airbag body and three-way pipe are formed in one for two other port of the three-way pipe Rubber structure part.

The utility model additionally provides a kind of drug dispensing component, including a kind of above-mentioned suction air bag, the airbag body bottom The total interface in portion is respectively connected with conduit, and each described end of conduit is connected with needle body.

The drug dispensing component, connects by by the interface for aspirating air bag with transfusion catheter, each end of conduit connection needle body, will Needle body inserts infusion bag or medicine bottle, it is possible to achieve a medicine bottle is made up a prescription, or multiple medicine bottle is made up a prescription simultaneously, liquid or When being pumped into airbag chamber body by correspondence conduit, when airbag body is compressed, liquid is turned medicament by other conduits again Infusion bag is moved to, realizes making up a prescription；It is the drug dispensing component simple structure, easy to connect quick, liquid backflow can be prevented effectively from, make up a prescription Efficiency high；After the completion of making up a prescription, it is only necessary to change suction air bag, conduit and syringe needle, be effectively saved the cost that makes up a prescription.

Preferably, the airbag body bottom includes two interfaces, i.e. inlet and liquid outlet, and the inlet connects Admittance pipe one, the tube at one end portion is connected with syringe needle one, the liquid outlet connecting tube two, the end of the conduit two connection pin First two.

Preferably, the conduit one, conduit two, syringe needle one and syringe needle two are integrated formed structure part.

The structure that the syringe needle one, syringe needle two, conduit one, conduit two are formed in one, is easy to after the completion of making up a prescription, and this is tied Structure carries out disposable integral replacing, assembles simpler convenience, can save replacing construction.

Preferably, the conduit one is provided with clamping element one and controls the clamping element one to clamp or unclamp conduit one Control piece one, the conduit two is provided with clamping element two and controls the clamping element two to clamp or unclamp the control piece of conduit two Two, the control piece one and control piece two connect power source drive device by logic switch.

The effect of the clamping element one and clamping element two is, when making up a prescription, the syringe needle one of drug dispensing component, syringe needle two is distinguished In insertion medicine bottle such as ampoule bottle and infusion bag；The air bag cavity compression of airbag body is diminished, then control piece two is controlled to clamp Part two clamps conduit two, and control piece one is not acted on clamping element one, conduit one is kept unimpeded state, now discharges air bag sheet Body, air bag cavity changes from small to big recovery deformation, and negative pressure is formed in airbag chamber body, and ampoule bottle inner liquid medicine aspirates injection by conduit one In airbag body storage；Then control piece two releases the effect to clamping element two, and conduit two keeps unimpeded state, and control piece one leads to Cross a pair of conduits of clamping element one to be clamped, airbag body is pressed again then, malleation is formed in airbag chamber body, make airbag body Interior liquid is by conduit two all injection infusion bag；The many second compressions to airbag body and recovery deformation are repeated, makes ampoule Liquid in bottle is fully transferred in infusion bag, and completion is finally made up a prescription.

Above-mentioned control piece one and control piece two connects power source drive device by logic switch, i.e., when logic switch is connected For the moment, power source drive device drives the control of control piece one clamping element one to clamp conduit one to the control piece, now the folder Tight part two is kept to the releasing orientation of conduit two；When logic switch connects the control piece two, power source drive device drives described The control clamping element two of control piece two clamps conduit two, and now the clamping element one is kept to the releasing orientation of conduit one.By logic Switch to connect the effect of control piece one or control piece two, its control is more convenient and reliable.

Preferably, fluid is set on the conduit one can only flow into the check valve in the suction air bag direction from syringe needle one, Fluid is provided with the conduit two can only flow into the check valve in the direction of syringe needle two from the suction air bag.

It is directly arranged on conduit one by check valve, for substituting clamping element one and the same effect of control piece one, that is, is existed Airbag body from compressive state recover deformation when, ampoule bottle inner liquid medicine smoothly can enter in airbag body, then by airbag body During compression, due to the obstruction of the check valve, the liquid cannot be back in ampoule bottle.By on conduit two, check valve is set, Its function is also used for replacing clamping element two and control piece two；During recompression airbag body inner liquid medicine, liquid can be by conduit two Check valve smoothly inject in infusion bag, the check valve being now arranged on conduit two hinder infusion bag inner liquid medicine towards suction gas Intracapsular reverse inflow, therefore, it is possible to be prevented effectively from the backflow of liquid.

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

1st, a kind of suction air bag described in the utility model, employs and airbag body bottom is provided with least two connects Mouthful, for being directly connected to transfusion catheter, it is not necessary to could realize airbag body and respectively lead using three-way pipe or the conversion of other joints The connection of pipe, connection more facilitates；It can realize making up a prescription a medicine bottle (such as ampoule bottle or powder pin bottle), or multiple Medicine bottle is made up a prescription simultaneously, and then liquid recompresses gas when being inhaled into airbag chamber body by one or more conduits simultaneously Capsule body, liquid is transferred to infusion bag by other conduits again, realizes making up a prescription；The suction air bag is in aspiration medicinal liquid and injection liquid When, liquid will not be contacted with ambient atmos all the time, it is to avoid infection, and suction air bag after the completion of making up a prescription can integral replacing, Follow-up liquid aleopation, suction air bag cost is avoided to carry out aspiration medicinal liquid with respect to air pump adaptation transition container, cost is lower, its knot Structure is simple and convenient to operate, and dispensing efficiency is high, and reliability is high, it is adaptable to the configuration of existing clinical injection medicament liquid；

2nd, a kind of suction air bag described in the utility model, is equipped with a ring set, its interface and ring on the outside of each interface Gap area between set is used for connecting conduit, during connection, directly inserts the catheter into or screws between interface and ring set, that is, complete The connection of interface and conduit, it is convenient and reliable；

3rd, a kind of drug dispensing component described in the utility model, connects by by the interface for aspirating air bag with transfusion catheter, each End of conduit connects needle body, needle body is inserted into infusion bag or medicine bottle, it is possible to achieve a medicine bottle is made up a prescription, or multiple medicine bottles Made up a prescription simultaneously, liquid or medicament when being pumped into airbag chamber body by correspondence conduit, when airbag body is compressed, medicine Liquid is transferred to infusion bag by other conduits again, realizes making up a prescription；The drug dispensing component simple structure, easy to connect quick, Neng Gouyou Effect avoids liquid from flowing back, and dispensing efficiency is high；After the completion of making up a prescription, it is only necessary to change suction air bag, conduit and syringe needle, be effectively saved Make up a prescription cost；

4th, a kind of drug dispensing component described in the utility model, clamping element one is provided with conduit one and the clamping element is controlled One control piece one for clamping or unclamping conduit one, clamping element two is provided with conduit two and control the clamping element two clamp or Unclamp the control piece two of conduit two；Or check valve is set on conduit one, and check valve being set on conduit two, can be prevented effectively from The backflow of liquid, smoothly realizes making up a prescription, automation and dispensing efficiency that raising is made up a prescription；

5th, a kind of syringe needle one of drug dispensing component described in the utility model, syringe needle two, conduit one, conduit two are formed in one Structure, is easy to after the completion of making up a prescription, and the structure is carried out into disposable integral replacing, assembles simpler convenience, can save more Change the time.

Brief description of the drawings：

Fig. 1 is the structural representation of check valve-type drug dispensing component described in prior art；

Fig. 2 is a kind of structural representation for aspirating air bag described in the utility model；

Fig. 3 is a kind of structural representation of drug dispensing component described in the utility model；

Schematic diagram when Fig. 4 is a kind of drug dispensing component connection infusion bag described in the utility model and ampoule bottle makes up a prescription.

Marked in Fig. 1：

1st, ampoule bottle, 2, infusion bag, 3, syringe needle one, 4, syringe needle two, 5, transition container, 6, check valve one, 7, check valve Two, 8, conduit one, 9, conduit two；

Marked in Fig. 2-4：

1st, air bag is aspirated, 11, airbag body, 12, air bag cavity, 13, interface, 14, ring set, 2, infusion bag, 3, ampoule bottle, 4th, syringe needle one, 5, syringe needle two, 6, conduit one, 7, conduit two, 8, clamping element one, 81, control piece one, 9, clamping element two, 91, control Part two.

Specific embodiment

The utility model is described in further detail with reference to test example and specific embodiment.But should not be by this The scope for being interpreted as the above-mentioned theme of the utility model is only limitted to following embodiment, all to be realized based on the utility model content Technology belongs to scope of the present utility model.

Embodiment 1

As shown in Fig. 2 a kind of suction air bag 1, including can compress and recover the airbag body 11 and airbag chamber body of deformation 12, the wherein bottom of airbag body 11 is provided with least two interfaces 13, and total interface 13 and airbag body 11 are formed in one structure Body.

Each above-mentioned outside of interface 13 is equipped with ring set 14, and the gap area between interface 13 and ring set 14 is used for Connecting conduit, during connection, directly inserts the catheter into or screws between interface 13 and ring set 14, that is, complete the company of interface 13 and conduit Connect, it is convenient and reliable.Each interface 13, ring set 14 and airbag body 11 are moulded rubber structural member for the ease of a pair One makes up a prescription to medicine bottle, general to set two interfaces 13 using in the bottom of airbag body 11, respectively inlet with Liquid outlet.

In addition, except interface as shown in Figure 2 is set directly at the bottom of airbag body 11, can also be tied using other Structure, the bottom of airbag body 11 is such as connected the Single port communicated air bags cavity 12 of a three-way pipe, i.e. three-way pipe, then three-way pipe Two other port as two interfaces 13, i.e., as inlet and liquid outlet, particularly, the airbag body 11 and threeway Pipe is formed in one rubber structure part.

Using the suction air bag 1, the bottom of airbag body 11 is provided with least two interfaces 13, for being directly connected to transfusion Conduit, it is not necessary to the connection of airbag body 11 and each conduit could be realized using three-way pipe or the conversion of other joints, connection is more It is convenient；It can be realized, to a medicine bottle, such as making up a prescription ampoule bottle 3 or powder pin bottle, or multiple medicine bottles are matched somebody with somebody simultaneously Then medicine, liquid recompresses airbag body 11, liquid when being inhaled into air bag cavity 12 by one or more conduits simultaneously Infusion bag 2 is transferred to by other conduits again, realizes making up a prescription；In aspiration medicinal liquid and injection liquid, liquid begins the suction air bag 1 Will not be contacted with ambient atmos eventually, it is to avoid infection, and suction air bag 1 after the completion of making up a prescription can integral replacing, it is to avoid it is follow-up Liquid aleopation, the suction cost of air bag 1 carrys out aspiration medicinal liquid with respect to air pump adaptation transition container, and cost is lower, its simple structure, Easy to operate, dispensing efficiency is high, and reliability is high, it is adaptable to the configuration of existing clinical injection medicament liquid.

Embodiment 2

As shown in Figure 2,3, the utility model additionally provides a kind of drug dispensing component, including such as a kind of suction in embodiment 1 Air bag 1, the total interface of the wherein bottom of airbag body 1 is respectively connected with conduit, and each end of conduit is connected with needle body.

Wherein, it is considered to which the drug dispensing component is usually disposably a medicine bottle to be made up a prescription, therefore only need two conduits, i.e., Two interfaces 13 are set in above-mentioned airbag body 11, two interfaces 13 are respectively inlet and liquid outlet, wherein inlet Connecting tube 1, the end of conduit 1 is connected with syringe needle 1, liquid outlet connecting tube 27, the connection of the end of the conduit 27 Syringe needle 25.

For the ease of the automation made up a prescription and avoid liquid from flowing back, clamping element 1 and control folder are provided with conduit 1 Tight part 1 clamps or unclamps the control piece 1 of conduit 1, and conduit 27 is provided with clamping element 29 and control clamping element 29 The control piece 2 91 of conduit 27 is clamped or unclamps, control piece 1 and control piece 2 91 connect power drives by logic switch Device.

The effect of the clamping element 1 and clamping element 29 is, when making up a prescription, by the syringe needle 1 of drug dispensing component, syringe needle 25 Respectively insertion medicine bottle such as ampoule bottle 3 and infusion bag 2 in；The compression of the air bag cavity 12 of airbag body 11 is diminished, then by control piece 2 91 control clamping elements 29 clamp conduit 27, and control piece 1 is not acted on clamping element 1, conduit 1 is kept unimpeded State, now discharges airbag body 11, and air bag cavity 12 changes from small to big recovery deformation, and negative pressure, ampoule are formed in air bag cavity 12 3 inner liquid medicines of bottle are aspirated in the injection storage of airbag body 11 by conduit 1；Then control piece 2 91 is released to clamping element 29 Effect, conduit 27 keeps unimpeded state, and control piece 1 is clamped by one 8 pairs of conduits 1 of clamping element, then again to gas Capsule body 11 is pressed, and malleation is formed in air bag cavity 12, makes the liquid in airbag body 11 by all injection transfusions of conduit 27 In bag 2；The many second compressions to airbag body 11 and recovery deformation are repeated, the liquid in ampoule bottle 3 is fully transferred to infusion bag 2 In, completion is finally made up a prescription.

Above-mentioned clamping element 1 and clamping element 29 can select conventional mechanical clamp, be placed on conduit 1 and conduit 27 Outside, during clamping realize dam, during release, fluid communication in conduit 1 and conduit 27.Control piece 1 and control piece two 91 connect power source drive device by logic switch, i.e., when logic switch connects control piece 2 91, power source drive device The control piece 2 91 is driven to control clamping element 29 to clamp conduit 27, now the clamping element 1 keeps unclamping conduit 1 State, as shown in Figure 4；When logic switch connects control piece 1, power source drive device drives the control piece 1 Control clamping element 1 clamps conduit 1, and now the clamping element 29 is kept to the releasing orientation of conduit 27.By logic switch To connect the effect of control piece 1 or control piece 2 91, its control is more convenient and reliable.

In addition, the above-mentioned clamping element 1 and control piece 1 that are set on the conduit 1 of the drug dispensing component are replaceable together The check valve in suction air bag 1 direction can only be flowed into from syringe needle 1 for fluid, the He of clamping element 1 is substituted by check valve Control piece 1, when airbag body 11 recovers deformation from compressive state, the inner liquid medicine of ampoule bottle 3 can smoothly enter air bag sheet In body 11, when airbag body 11 is compressed, due to the obstruction of the check valve, the liquid cannot be back in ampoule bottle 3, and this is unidirectional Valve serves the effect same with clamping element 1.Similarly, clamping element 29 and control piece 2 91 can also be replaced by check valve, In compressing gasbag body 11, the inner liquid medicine of air bag cavity 12 can be smoothly injected in infusion bag 2 by check valve, because this is unidirectional Valve hinders the inner liquid medicine of infusion bag 2 towards inflow in airbag body 11, and therefore, it is possible to be prevented effectively from the backflow of liquid, the check valve rises The effect same with clamping element 29 is arrived.

For the ease of realizing the automation aspiration medicinal liquid and push liquid to aspirating air bag 1, the suction air bag 1 also includes using In the holder of support air bag body 11, and stressed compression member is applied to airbag body 11.

The syringe needle 1 of the drug dispensing component, syringe needle 25, conduit 1, conduit 27 are formed in one structure, such as PE structures, adopt Integrated formed structure body is used, is easy to after the completion of making up a prescription, the structure is carried out into disposable integral replacing, assemble simpler side Just replacing construction can, be saved.

The drug dispensing component, connects by by the interface 13 for aspirating air bag 1 with transfusion catheter, each end of conduit connection pin Body, inserts infusion bag 2 or medicine bottle, it is possible to achieve a medicine bottle is made up a prescription by needle body, or multiple medicine bottles are made up a prescription simultaneously, Liquid or medicament are pumped into air bag cavity 12 by correspondence conduit, and when airbag body 11 is compressed, liquid passes through again Other conduits are transferred to infusion bag 2, realize making up a prescription；It is the drug dispensing component simple structure, easy to connect quick, medicine can be prevented effectively from Liquid flows back, and dispensing efficiency is high；After the completion of making up a prescription, it is only necessary to change suction air bag 1, conduit and syringe needle, be effectively saved and make up a prescription into This.

Embodiment 3

A kind of dosage for ampoule bottle 3, using the drug dispensing component in such as embodiment 2, its dosage include with Lower step：

Step one, preparation, launch syringe needle 1, syringe needle 25, conduit 1, conduit 27, and conduit 1 and conduit 7 are distinguished Connected with suction air bag 1 by two interfaces 13, meanwhile, clamping element 1 is adapted to conduit 1, clamping element 29 and conduit two 7 adaptations；

Step 2, contact pin, as shown in figure 4, syringe needle 1 is inserted into ampoule bottle 3 and bottom is inserted to, then syringe needle 25 are inserted In infusion bag 2；

Step 3, suction, are compressed to airbag body 11, and dotted arrow show suction air bag 1 side of compression in such as Fig. 4 To control piece 2 91 controls clamping element 29 to clamp conduit 27, and control piece 1 is not acted on clamping element 1, makes conduit 1 Unimpeded state is kept, airbag body 11 recovers deformation, and now air bag cavity 12 becomes larger, and forms negative pressure, makes medicine in ampoule bottle 3 Liquid is aspirated in injection airbag body 11 by conduit 1, the solid arrow institute of the side of conduit 1 in liquid medicine flow direction such as Fig. 4 Show；

Step 4, injection, airbag body 11 is remained stationary as after the completion of suction, and control piece 2 91 is released to clamping element 29 Effect, conduit 27 keeps unimpeded state, and control piece 1 is clamped by one 8 pairs of conduits 1 of clamping element；Compressing gasbag sheet Body 11, forms malleation in air bag cavity 12, the liquid in air bag cavity 12 is injected in infusion bag 2 by conduit 27, liquid Flow direction is as shown in the solid arrow of the side of conduit 27 in Fig. 4；

Step 5, pull out pin, completion make up a prescription, repetition airbag body 11 is compressed and recovers deformation, make the liquid in ampoule bottle 3 It is fully transferred in infusion bag 2, extracts syringe needle 1 and syringe needle 25, completion is finally made up a prescription.

The medicine bottle that makes up a prescription in the present embodiment is considered for ampoule bottle 3, and the bottom of the syringe needle 1 can select planar base surface, using pin First 4 needle tip position is planar base surface, is directly inserted into the bottom of ampoule bottle 3, and the needle point end of syringe needle 1 will not be caused Damage, be easy to fully disposably aspirate totally thoroughly the liquid in ampoule bottle 3.

Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, as described above Flexible infusion bags 2 replace with medical common hard infusion bottle and be equally applicable, it is all in spirit of the present utility model and principle Within any modification, equivalent and the improvement made etc., should be included within protection domain of the present utility model.

Claims (10)

1. a kind of suction air bag (1), including can compress and recover the airbag body (11) and airbag chamber body (12) of deformation, its spy Levy and be, airbag body (11) bottom is provided with least two interfaces (13), all interfaces (13) and the air bag sheet Body (11) is formed in one structure.

2. one kind according to claim 1 aspirates air bag (1), it is characterised in that each described interface (13) outside is all provided with There is a ring set (14), the gap area between the interface (13) and ring set (14) is used for connecting conduit.

3. one kind according to claim 2 aspirates air bag (1), it is characterised in that each interface (13), ring set (14) And airbag body (11) is integrally formed rubber structure part.

4. according to a kind of any described suctions air bag (1) of claim 1-3, it is characterised in that airbag body (11) bottom Portion is provided with two interfaces (13), respectively inlet and liquid outlet.

5. one kind according to claim 1 aspirates air bag (1), it is characterised in that airbag body (11) bottom is provided with One three-way pipe, the Single port of the three-way pipe connects the air bag cavity (12), and two other port of the three-way pipe is made It is two interfaces, the airbag body (11) and three-way pipe are formed in one rubber structure part.

6. a kind of drug dispensing component, it is characterised in that described including a kind of suction air bag (1) as described in claim 1-5 is any The total interface (13) of airbag body (11) bottom is respectively connected with conduit, and each described end of conduit is connected with needle body.

7. a kind of drug dispensing component according to claim 6, it is characterised in that airbag body (11) end includes two The interface (13), i.e. inlet and liquid outlet, the inlet connecting tube one (6), the end of the conduit one (6) are connected with Syringe needle one (4), the liquid outlet connecting tube two (7), the end connecting needle two (5) of the conduit two (7).

8. a kind of drug dispensing component according to claim 7, it is characterised in that the conduit one (6), conduit two (7), syringe needle One (4) and syringe needle two (5) be integrated formed structure part.

9. a kind of drug dispensing component according to claim 7, it is characterised in that the conduit one (6) is provided with clamping element one (8) and control the clamping element one (8) to clamp or unclamp the control piece one (81) of conduit one (6), set on the conduit two (7) There is clamping element two (9) and control the clamping element two (9) to clamp or unclamp the control piece two (91) of conduit two (7), the control Product one (81) and control piece two (91) connect power source drive device by logic switch.

10. a kind of drug dispensing component according to claim 7, it is characterised in that setting fluid on the conduit one (6) can only The check valve in described suction air bag (1) direction is flowed into from syringe needle one (4), fluid is provided with the conduit two (7) can only be from institute State the check valve that suction air bag (1) flows into the direction of syringe needle two (5).