CN206261830U - A kind of sterile dispensing system - Google Patents
A kind of sterile dispensing system Download PDFInfo
- Publication number
- CN206261830U CN206261830U CN201620452664.6U CN201620452664U CN206261830U CN 206261830 U CN206261830 U CN 206261830U CN 201620452664 U CN201620452664 U CN 201620452664U CN 206261830 U CN206261830 U CN 206261830U
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- Prior art keywords
- air
- unit
- handle
- dispensing system
- dissolving device
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- 241000894006 Bacteria Species 0.000 claims abstract description 11
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 238000005086 pumping Methods 0.000 claims abstract description 5
- 239000003814 drug Substances 0.000 claims description 117
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 33
- 239000007788 liquid Substances 0.000 description 18
- 238000002347 injection Methods 0.000 description 16
- 239000007924 injection Substances 0.000 description 16
- 229920002678 cellulose Polymers 0.000 description 15
- 229920001971 elastomer Polymers 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 239000000843 powder Substances 0.000 description 12
- 238000002360 preparation method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 230000000844 anti-bacterial effect Effects 0.000 description 9
- 238000001914 filtration Methods 0.000 description 9
- -1 polypropylene Polymers 0.000 description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 description 8
- 239000004677 Nylon Substances 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000001913 cellulose Substances 0.000 description 5
- 239000003365 glass fiber Substances 0.000 description 5
- 238000002955 isolation Methods 0.000 description 5
- 229920001778 nylon Polymers 0.000 description 5
- 229920001155 polypropylene Polymers 0.000 description 5
- 239000002033 PVDF binder Substances 0.000 description 4
- 239000004695 Polyether sulfone Substances 0.000 description 4
- 230000006837 decompression Effects 0.000 description 4
- 238000003032 molecular docking Methods 0.000 description 4
- 229920006393 polyether sulfone Polymers 0.000 description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 4
- 235000009508 confectionery Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000806 elastomer Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 229940079593 drug Drugs 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The utility model discloses a kind of sterile dispensing system, and it includes:One handheld component, the cavity for providing gas circulation；One pneumatic unit, for pumping into the air in air or the suction handheld component to the handheld component；One degerming unit, the degerming unit is used to filter impurity and the bacterium in air；The handheld component is connected with the pneumatic unit.In a kind of sterile dispensing system disclosed in the utility model, the molten prescription is first to be connected with the handheld unit using dismountable connected mode, it is easy to dismantled, easy to use；The molten prescription unit, low cost of manufacture is suitably produced in batches and promoted the use of；The degerming unit can effectively filter impurity and bacterium in air, it is ensured that it is gnotobasis that the molten prescription unit is internal；The utility model also include a control unit, the control unit can pneumatic unit described in Based Intelligent Control, while being easy to user to be operated, improve the efficiency made up a prescription.
Description
Technical field
The utility model is related to technical field of medical instruments, and in particular to a kind of sterile dispensing system.
Background technology
In medical industry, the medicine dissolving device for being used at present in use typically can be directly sudden and violent by the inner chamber of medicine dissolving device
Dew in atmosphere, with the bacterium directly contact in air, easily makes the bacterium in the middle of air be mixed into the middle of medicament, causes medicament dirty
Dye.And, the operating process of artificial molten medicine is very cumbersome.
And existing sterile dispensing device at present, monomer cost of manufacture is higher, and operating process is very cumbersome, is unfavorable for batch
Promote the use of.
In view of drawbacks described above, it is new that the utility model creator obtains this practicality finally by prolonged research and practice
Type.
Utility model content
To solve above-mentioned technological deficiency, the technical solution adopted in the utility model is, there is provided a kind of sterile dispensing system,
It includes：One handheld component, the cavity for providing gas circulation；One pneumatic unit, for pumping into sky to the handheld component
Air in gas or the suction handheld component；One degerming unit, the degerming unit is used to filtering impurity in air and thin
Bacterium；The handheld component is connected with the pneumatic unit.
Preferably, the degerming unit at least includes polypropylene, diatomite, glass fibre, mixed cellulose ester gathers inclined two
One or more in the middle of PVF, polytetrafluoroethylene (PTFE), polyether sulfone, nylon, cellulose esters and modified cellulose.
Preferably, sterile dispensing system also includes a molten prescription unit, the first use with the handheld component of the molten prescription can
Dismounting connected mode connection.
Preferably, the molten prescription unit includes medicine dissolving device body and first piston, the first piston is placed in the molten medicine
In device body, and it is axially moved in the medicine dissolving device body.
Preferably, the handheld component includes handle, handle connecting portion, the handle is hollow structure inside, the hand
Handle connecting portion one end is connected with the medicine dissolving device body, and the handle connecting portion other end is connected with the handle, the handle
Connected with the pneumatic unit.
Preferably, the handle also includes a button group, the button group at least includes a button, and the button group is used
In controlling the pneumatic unit to pumping into air in the handheld component, or the pneumatic unit is controlled by the handheld component
Air extract out.
Preferably, the degerming unit is built in the pneumatic unit.
Preferably, the pneumatic unit includes a pipeline group and air pump, the air pump is connected with the pipeline group, the pipe
Road group at least includes four pipelines, and the pipeline group includes solenoid valve block, and the solenoid valve block at least includes four magnetic valves, institute
The quantity for stating magnetic valve in solenoid valve block is corresponding with pipeline quantity in the pipeline group.
Preferably, sterile dispensing system also includes a control unit, described control unit and the air pump, the button
Group, solenoid valve block connection.
Preferably, the degerming unit is built in the handle.
The beneficial effects of the utility model are compared with the prior art：The utility model provides a kind of sterile dispensing system
In, the molten prescription is first to be connected with the handheld unit using dismountable connected mode, it is easy to dismantled, easy to use；It is described
Molten prescription unit, low cost of manufacture is suitably produced in batches and promoted the use of；The degerming unit can be filtered effectively in air
Impurity and bacterium, it is ensured that it is gnotobasis that the molten prescription unit is internal；Described control unit being capable of pneumatic list described in Based Intelligent Control
Unit, is easy to user to be operated, and improves the efficiency of molten medicine.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in each embodiment of the utility model, institute in being described to embodiment below
The accompanying drawing for needing to use is briefly described.
Fig. 1 is sterile dispensing system structure diagram in the utility model embodiment one；
Fig. 2 is sterile dispensing system structure diagram in the utility model embodiment two；
Fig. 3 is the profile of handheld component and molten prescription unit in the utility model embodiment two；
Fig. 4 is control unit connection diagram in the utility model embodiment two；
Fig. 5 is sterile dispensing system structure diagram in the utility model embodiment three；
Fig. 6 is the profile of handheld component and molten prescription unit in the utility model embodiment three；
Fig. 7 is control unit connection diagram in the utility model embodiment three.
Specific embodiment
Below in conjunction with accompanying drawing, technical characteristic and advantage above-mentioned to the utility model and other is described in more detail.
Embodiment 1
The utility model provides a kind of sterile dispensing system, and it includes：Molten prescription unit, the chamber for providing confection
Body；Pneumatic unit, for providing power for the molten prescription unit；Handheld component, for connecting the first and described gas of the molten prescription
Moving cell；Degerming unit, for filtering impurity and bacterium in air.
As shown in figure 1, being sterile dispensing system structure diagram in the utility model embodiment one.The molten prescription unit 1
It is connected with the handheld component 3 by the first fast interface 2, the pneumatic unit 4 passes through the second fast interface 5 and the handheld component
3 connections.The degerming unit 6 is built in the handheld component 3.
The molten prescription unit includes medicine dissolving device body 11, injection needle 12, needle holder 13 and first piston 14, the medicine dissolving device sheet
The one end of body 11 is connected by the needle holder 13 with the injection needle 12, and the other end of medicine dissolving device body 11 is provided with for connecting the
First docking port 15 of one fast interface 2, the first piston 14 is built in the medicine dissolving device body 11.
The needle holder 13 is a hollow column relative to medicine dissolving device body outwardly convex, for supporting the injection
Pin 12, the injection needle 12 is fixed in the needle holder 13 by fixed cell, and the fixed cell can be soft for rubber soft, resin
The elastomer with closed effect such as body.
The inner surface of medicine dissolving device body 11 is cylindrical, and the first piston 14 is cylindric rubber soft, described the
The external diameter of one piston 14 is identical with the internal diameter of medicine dissolving device body 11.The first piston 14 is in the interior axle of medicine dissolving device body 11
To motion.The first piston 14 will be divided into molten medicine chamber 16 and medicine dissolving device air cavity 17 inside the medicine dissolving device body 11, described
Molten medicine chamber 16 and the closed isolation completely of medicine dissolving device air cavity 17.
The handheld component 3 includes housing 31 and second piston 32, and the one end of the housing 31 is provided with the first fast interface 2, institute
State the other end of housing 31 and be provided with the second fast interface 5.The second piston 32 is built in the housing 31.Make the second piston
32 materials for being used are high temperature resistant and the silicon rubber with biological safety.
The inner surface of the housing 31 is cylindrical, and the second piston 32 is cylindric rubber soft, the second piston
32 external diameter is identical with the internal diameter of the housing 31.The second piston 32 is axially moved in the housing 31.
Described degerming unit 6 includes bactericidal device 61, and the bactericidal device 61 is arranged on inside the housing 31.
At least polypropylene of the bactericidal device 61, diatomite, glass fibre, mixed cellulose ester, polyvinylidene fluoride gathers
Tetrafluoroethene, polyether sulfone, nylon, cellulose esters, the one kind in the middle of modified cellulose, the pore size filter of the bactericidal device 61 is not
More than 0.22 micron.
The housing 31 is divided into the first air cavity 33, the second gas by the bactericidal device 61 and the second piston 32 jointly
Chamber 34, the 3rd air cavity 35, first air cavity 33 are located between the fast interface 5 of the second piston 32 and second, second gas
Chamber 34 be located between the second piston 32 and the bactericidal device 61, the 3rd air cavity 35 be located at the bactericidal device 61 with
Between first fast interface 2.The complete closed isolation of first air cavity, 33 and second air cavity 34, the gas of second air cavity 34 and the 3rd
Chamber 35 is interconnected by the bactericidal device 61.In the medicine dissolving device air cavity 17, the air cavity 35 of second air cavity 34 and the 3rd
Air pressure it is identical.
The pneumatic unit 4 includes air pump 41 and air pump switch 42, and the air pump 41 is provided with and is connect soon for connecting second
Second docking port 43 of mouth 5.The air pump 41 is connected by the described second fast interface 5 with the first air cavity 33.The air pump switch
42 are provided with standby gear, inflation gear and exhaust gear.
The work of the air pump 41 provides two kinds of mode of operations, and its mode of operation includes pressurization and decompression process.
The pressurization is：
The air pump switch 42 is adjusted to inflation gear, and the air pump 41 pumps into air to the first air cavity 33, increases by first
Air pressure in air cavity 33, when the air pressure in the first air cavity 33 is higher than the second air cavity 34, the gases at high pressure in the first air cavity 33 are pushed away
Dynamic second piston 32 is moved to away from the direction of air pump 41, and the gas in the second air cavity 34 is progressively flowed into by the bactericidal device 61
Air in 3rd air cavity 35, therefore the 3rd air cavity 35 is the filtrated air after filtering.Because the 3rd air cavity 35 is fast by first
Interface 2 is connected with medicine dissolving device air cavity 17, so the gas in the 3rd air cavity 35 progressively flows into medicine dissolving device air cavity 17, when medicine dissolving device gas
When air pressure in chamber 17 is higher than the pressure in molten medicine chamber 16, the gases at high pressure in medicine dissolving device air cavity 17 can promote the first piston
14 move near the direction of needle holder 13.
The air pump decompression process is：
The air pump switch 42 is adjusted to exhaust gear, and the air pump 41 pumps out the air in the first air cavity 33, and first
Air pressure in air cavity 33 declines, when the air pressure in the first air cavity 33 is less than the second air cavity 34, the high pressure gas in the second air cavity 34
Body promotes second piston 32 to be moved near the direction of air pump 41, the gas in the 3rd air cavity 35 is progressively flowed into the second air cavity 34,
Then the gas in medicine dissolving device air cavity 17 is flowed into the 3rd air cavity 35, when the air pressure in medicine dissolving device air cavity 17 is less than in molten medicine chamber 16
Pressure when, the first piston 14 is moved to away from the direction of needle holder 13.
The operation principle of sterile dispensing system is：
The second docking port 43 is connected with the second fast interface 5 first, then the first docking port 15 is connected with the first fast interface,
After the completion of connection, the air pump switch 42 is adjusted to inflation gear, first time pressurization is performed, by the sky in molten medicine chamber 16
Gas all discharge, when in molten medicine chamber 16 air all discharge after, by injection needle 12 insert liquid preparation bottle in, then adjust institute
Air pump switch 42 to exhaust gear is stated, first time decompression process is performed, liquid is flowed into molten medicine chamber 16, then removes liquid preparation
Bottle, during injection needle 12 inserted into freeze-dried powder flask for medicinal preparations, and then performs second pressurization, flows into the molten inner liquid medicine of medicine chamber 16 and freezes
In dry powder pharmaceutical bottle, after liquid and freeze-dried powder are sufficiently mixed, second decompression process is performed, by the mixing of freeze-dried powder and liquid
Thing is extracted to molten medicine chamber, completes molten medicine.In sterile dispensing system work process, the air in the medicine dissolving device air cavity 17 is all the time
The filtrated air after filtering is remained, prevents from being polluted inside medicine dissolving device body 11, make molten medicine process safer.
Embodiment 2
The utility model provides a kind of sterile dispensing system, and it includes：Molten prescription unit, the chamber for providing confection
Body；Pneumatic unit, for providing power for the molten prescription unit；Handheld component, for connecting the first and described gas of the molten prescription
Moving cell；Degerming unit, for filtering impurity and bacterium in air；Control unit, for controlling the pneumatic unit.
As shown in Fig. 2 being sterile dispensing system structure diagram in the utility model embodiment two.The molten prescription unit
101 are connected through a screw thread with the handheld component 102, and the degerming unit is connected with the pneumatic unit 103, the pneumatic list
Unit 103 is connected with the handheld component 102 by tracheae 104, described control unit 105 respectively with the handheld component 102 and
The pneumatic unit 103 is connected by wire, and described control unit 105 is used to control the pneumatic unit 103.
The molten prescription unit 101 includes medicine dissolving device body 111, injection needle 112, needle holder 113 and first piston 114, described
The front end of medicine dissolving device body 111 is connected by the needle holder 113 with the injection needle 112, the tail end of the medicine dissolving device body 111
It is connected through a screw thread with the handheld component 102, the first piston 114 is built in the medicine dissolving device body 111.
The needle holder 113 is a hollow column relative to medicine dissolving device body outwardly convex, for supporting the note
Penetrate pin 112, the injection needle 112 is fixed in the needle holder 113 by fixed cell, the fixed cell can for rubber soft,
The elastomer with closed effect such as resin software.
The inner surface of medicine dissolving device body 111 is cylindrical, and the first piston 114 is cylindric rubber soft, described
The external diameter of first piston 114 is identical with the internal diameter of medicine dissolving device body 111.The first piston 114 is in the medicine dissolving device body
It is axially moved in 111.The first piston 114 will be divided into molten medicine chamber 116 and medicine dissolving device gas inside the medicine dissolving device body 111
The closed isolation completely of chamber 117, the molten medicine chamber 116 and medicine dissolving device air cavity 117.
As shown in figure 3, being handheld component in the utility model embodiment two and the profile of molten prescription unit.The Handheld Division
Part 102 includes handle 121, handle set 122, and one end of the handle 121 is connected with the handle set 122 by the first screw thread 123
Connect, the other end of the handle 121 is connected by pneumatic joint 124 with tracheae 104.The handle 121 also includes pushing button
125 control the gas by described control unit 105 with suction button 126, the push button 125 and suction button 126
Moving cell 103.The second screw thread 127 is provided with inside the handle set 122, the screw thread is used for the tail of the medicine dissolving device body 111
End is fixed on the handle set 122.The handle set 122 also includes a seal gasket 128, and the seal gasket 128 is set
Between the medicine dissolving device body 111 and the handle set 122, it is used to ensure the medicine dissolving device body 111 and the handle set
The air-tightness connected between 122.The handle 121 is hollow structure inside.
The pneumatic unit 103 includes connection threeway 130, the first pipeline 131, the second pipeline 132, the 3rd pipeline 133, the
Four pipelines 134, air pump 135, air pump air inlet threeway 136, air pump blow-off tee 137.
First pipeline 131 includes the first magnetic valve 1311, the first pipeline leading portion 1312 and the first pipeline back segment 1313.
The first pipeline leading portion 1312 and the first pipeline back segment 1313 are connected by first magnetic valve 1311.
Second pipeline 132 includes the second magnetic valve 1321, the second pipeline leading portion 1322 and the second pipeline back segment 1323.
The second pipeline leading portion 1322 is connected with the second pipeline back segment 1323 by the second magnetic valve 1321.
3rd pipeline 133 includes the 3rd magnetic valve 1331, the 3rd pipeline leading portion 1332 and the 3rd pipeline back segment 1333.
The 3rd pipeline leading portion 1332 is connected with the 3rd pipeline back segment 1333 by the 3rd magnetic valve 1331.
4th pipeline 134 includes the 4th magnetic valve 1341, the 4th pipeline leading portion 1342 and the 4th pipeline back segment 1343.
The 4th pipeline leading portion 1342 and the 4th pipeline back segment 1343 are connected by the 4th magnetic valve 1341.
The air pump 135 includes the gentle pump exhaust inlet 1352 of air pump air inlet 1351.
Described 136 3 ports of air pump air inlet threeway respectively with the air pump air inlet 1351, the first pipeline back segment 1313
It is connected with the second pipeline back segment 1323.
137 3 ports of the air pump blow-off tee respectively with the air pump exhaust outlet 1352, the 3rd pipeline back segment 1333
It is connected with the 4th pipeline back segment 1343.
It is described connection threeway 130 three ports respectively with tracheae 104, the second pipeline leading portion 1322 and the 3rd pipeline leading portion
1332 are connected.
The degerming unit includes air intake filter 141 and discharge filter 142, the air intake filter 141 and first
Pipeline leading portion 1312 is connected, and the discharge filter 142 is connected with the 4th pipeline leading portion 1342.The air intake filter
141 at least include polypropylene, diatomite, glass fibre, mixed cellulose ester, polyvinylidene fluoride, polytetrafluoroethylene (PTFE), polyethers
Sulfone, nylon, cellulose esters, the one kind in the middle of modified cellulose.The discharge filter 142 at least include polypropylene, diatomite,
Glass fibre, mixed cellulose ester, polyvinylidene fluoride, polytetrafluoroethylene (PTFE), polyether sulfone, nylon, cellulose esters, modified cellulose
Central one kind.The pore size filter of the air intake filter 141 and discharge filter 142 is no more than 0.22 micron.It is described to remove
Bacterium unit makes to be filtrated air into the gas inside air pump 135 and medicine dissolving device air cavity 117.
As shown in figure 4, being control unit connection diagram, 105 points of described control unit in the utility model embodiment two
Not with the air pump 135, push button 125, suction button 126, the first magnetic valve 1311, the electricity of the second magnetic valve the 1321, the 3rd
The magnetic valve 1341 of magnet valve 1331 and the 4th is connected.
Described control unit 105 perform the first control logic be：After push button 125 is individually pressed, the first electromagnetism
Valve 1311 is opened with the 3rd magnetic valve 1331, and the second magnetic valve 1321 and the 4th magnetic valve 1341 are closed, and air pump 135 starts work
Make.
The first control logic is performed, air is flowed through air intake filter 141, first the 1312, first electricity of pipeline leading portion successively
Magnet valve 1311, the first pipeline back segment 1313, air pump air inlet threeway 136, air pump air inlet 1351, air pump exhaust outlet 1352, air pump
Blow-off tee 137, the 3rd pipeline back segment 1333, the 3rd magnetic valve 1331, the 3rd pipeline leading portion 1332, connection threeway 130, tracheae
104th, the inside of handle 121 and medicine dissolving device air cavity 117, when pressure is more than the molten medicine chamber 116 in the medicine dissolving device air cavity 117,
Gases at high pressure in medicine dissolving device air cavity 117 promote the first piston 114 to be moved to away from the direction of handle 121.
Described control unit 105 perform the second control logic be：After the suction button 126 is individually pressed, first
Magnetic valve 1311 is closed with the 3rd magnetic valve 1331, and the second magnetic valve 1321 and the 4th magnetic valve 1341 are opened, and air pump 135 starts
Work.
The second control logic is performed, the gas in the medicine dissolving device air cavity 117 is flowed through successively inside handle 121, tracheae
104th, connection threeway 130, the second pipeline leading portion 1322, the second magnetic valve 1321, the second pipeline back segment 1323, air pump air inlet threeway
136th, air pump air inlet 1351, air pump exhaust outlet 1352, air pump blow-off tee 137, the 4th pipeline back segment 1343, the 4th magnetic valve
1341st, the 4th pipeline leading portion 1342 and discharge filter 142.When the gas pressure in the medicine dissolving device air cavity 117 is less than molten medicine
During chamber 116, the first piston 114 is moved near the direction of handle 121.
Sterile dispensing System Working Principle in the present embodiment two：
First, the tail end of medicine dissolving device body 111 and the handle set 122 are fixed together, then press and push away
Button 125 is sent, the first control logic is performed, the air in molten medicine chamber 116 is all discharged, when the air in molten medicine chamber 116 is complete
Portion discharge after, unclamp push button 125, and by injection needle 112 insert liquid preparation bottle in, then press suction button 126, hold
The control logic of row second, after liquid is flowed into molten medicine chamber 116, suction button 126 is pressed in release, removes liquid preparation bottle,
During injection needle 112 inserted into freeze-dried powder flask for medicinal preparations, and then push button 125 is pressed, perform the first control logic, make molten medicine chamber
116 inner liquid medicines are flowed into freeze-dried powder flask for medicinal preparations, after liquid and freeze-dried powder are sufficiently mixed, press suction button 126, perform second
Control logic, the mixture of freeze-dried powder and liquid is extracted to molten medicine chamber, completes molten medicine.Sterile dispensing system work process
In, the air in the medicine dissolving device air cavity 117 remains the filtrated air after filtering, prevents inside medicine dissolving device body 111
Polluted, make molten medicine process safer.
Embodiment 3
The utility model provides a kind of sterile dispensing system, and it includes：Molten prescription unit, the chamber for providing confection
Body；Pneumatic unit, for providing power for the molten prescription unit；Handheld component, for connecting the first and described gas of the molten prescription
Moving cell；Degerming unit, for filtering impurity and bacterium in air；Control unit, for controlling the pneumatic unit.
As shown in figure 5, being sterile dispensing system structure diagram in the utility model embodiment three.The molten prescription unit
201 are connected through a screw thread with the handheld component 202.The pneumatic unit 203 passes through tracheae 204 with the handheld component 202
Connection, described control unit 205 is connected with the handheld component 202 and the pneumatic unit 203 by wire respectively, the control
Unit processed 205 is used to control the pneumatic unit 203.The degerming unit 206 is built in the handheld component 202.
The molten prescription unit 201 includes medicine dissolving device body 211, injection needle 212, needle holder 213 and first piston 214, described
The front end of medicine dissolving device body 211 is connected by the needle holder 213 with the injection needle 212, the tail end of the medicine dissolving device body 211
It is connected through a screw thread with the handheld component 202, the first piston 214 is built in the medicine dissolving device body 211.
The needle holder 213 is a hollow column relative to medicine dissolving device body outwardly convex, for supporting the note
Penetrate pin 212, the injection needle 212 is fixed in the needle holder 213 by fixed cell, the fixed cell can for rubber soft,
The elastomer with closed effect such as resin software.
The inner surface of medicine dissolving device body 211 is cylindrical, and the first piston 214 is cylindric rubber soft, described
The external diameter of first piston 214 is identical with the internal diameter of medicine dissolving device body 211.The first piston 214 is in the medicine dissolving device body
It is axially moved in 211.The first piston 214 will be divided into molten medicine chamber 216 and medicine dissolving device gas inside the medicine dissolving device body 211
The closed isolation completely of chamber 217, the molten medicine chamber 216 and medicine dissolving device air cavity 217.
As shown in fig. 6, being handheld component in the utility model embodiment three and the profile of molten prescription unit.The Handheld Division
Part 202 includes handle 221, handle set 222 and second piston 223, and one end of the handle 221 passes through with the handle set 222
First screw thread 224 is connected, and the other end of the handle 221 is connected by pneumatic joint 225 with tracheae 104.The handle 221 is also
Including pushing button 226 and suction button 227, the push button 226 and suction button 227 pass through described control unit 205
To control the pneumatic unit 203.The second screw thread 228 is provided with inside the handle set 222, the screw thread is used for the medicine dissolving device
The tail end of body 211 is fixed on the handle set 222.The handle set 222 also includes a seal gasket 229, the sealing
Rubber cushion 229 is set between the medicine dissolving device body 211 and the handle set 222, its be used to ensureing the medicine dissolving device body 211 with
The air-tightness connected between the handle set 222.The handle 221 is hollow structure inside.The second piston 223 is built in
The handle 221.It is high temperature resistant and the silicon rubber with biological safety to make the material that the second piston 223 used.
The inner surface of the handle 221 is cylindrical, and the second piston 223 is cylindric rubber soft, and described second lives
The external diameter of plug 223 is identical with the internal diameter of the handle 221.The second piston 223 is axially moved in the handle 221.It is described
Degerming unit 206 is built in the handle 221.The degerming unit 206 at least include polypropylene, diatomite, glass fibre,
Mixed cellulose ester, polyvinylidene fluoride, polytetrafluoroethylene (PTFE), polyether sulfone, nylon, cellulose esters, in the middle of modified cellulose one
Kind, the pore size filter of the degerming unit 206 is no more than 0.22 micron.
The degerming unit 206 and the second piston 223 it is common by the handle 221 be divided into the first air cavity 2211,
Second air cavity 2212, the 3rd air cavity 2213, first air cavity 2211 be located at the second piston 223 and pneumatic joint 225 it
Between, second air cavity 2212 is located between the second piston 223 and the degerming unit 206, the 3rd air cavity 2213
Between the degerming unit 206 and the handle set 222.The air cavity 2212 of first air cavity 2211 and second is completely closed
Isolation, the air cavity 2213 of second air cavity 2212 and the 3rd is interconnected by the degerming unit 206.The medicine dissolving device air cavity
217th, second air cavity 2212 is identical with the air pressure in the 3rd air cavity 2213.
The pneumatic unit 203 includes connection threeway 230, the first pipeline 231, the second pipeline 232, the 3rd pipeline 233, the
Four pipelines 234, air pump 235, air pump air inlet threeway 236, air pump blow-off tee 237.
First pipeline 231 includes the first magnetic valve 2311, the first pipeline leading portion 2312 and the first pipeline back segment 2313.
The first pipeline leading portion 2312 and the first pipeline back segment 2313 are connected by first magnetic valve 2311.First pipeline
Air inlet 241 is left at leading portion 2312.
Second pipeline 232 includes the second magnetic valve 2321, the second pipeline leading portion 2322 and the second pipeline back segment 2323.
The second pipeline leading portion 2322 is connected with the second pipeline back segment 2323 by the second magnetic valve 2321.
3rd pipeline 233 includes the 3rd magnetic valve 2331, the 3rd pipeline leading portion 2332 and the 3rd pipeline back segment 2333.
The 3rd pipeline leading portion 2332 is connected with the 3rd pipeline back segment 2333 by the 3rd magnetic valve 2331.
4th pipeline 234 includes the 4th magnetic valve 2341, the 4th pipeline leading portion 2342 and the 4th pipeline back segment 2343.
The 4th pipeline leading portion 2342 and the 4th pipeline back segment 2343 are connected by the 4th magnetic valve 2341.The 4th pipeline leading portion
Exhaust outlet 242 is left at 2342.
The air pump 235 includes the gentle pump exhaust inlet 2352 of air pump air inlet 2351.
Described 236 3 ports of air pump air inlet threeway respectively with the air pump air inlet 2351, the first pipeline back segment 2313
It is connected with the second pipeline back segment 2323.
237 3 ports of the air pump blow-off tee respectively with the air pump exhaust outlet 2352, the 3rd pipeline back segment 2333
It is connected with the 4th pipeline back segment 2343.
It is described connection threeway 230 three ports respectively with tracheae 204, the second pipeline leading portion 2322 and the 3rd pipeline leading portion
2332 are connected.
As shown in fig. 7, being control unit connection diagram, 205 points of described control unit in the utility model embodiment three
Not with the air pump 235, push button 226, suction button 227, the first magnetic valve 2311, the electricity of the second magnetic valve the 2321, the 3rd
The magnetic valve 2341 of magnet valve 2331 and the 4th is connected.
Described control unit 205 perform the first control logic be：After push button 226 is individually pressed, the first electromagnetism
Valve 2311 is opened with the 3rd magnetic valve 2331, and the second magnetic valve 2321 and the 4th magnetic valve 2341 are closed, and air pump 235 starts work
Make.
The first control logic is performed, air is flowed through air inlet 241, the first pipeline leading portion 2312, the first magnetic valve successively
2311st, the first pipeline back segment 2313, air pump air inlet threeway 236, air pump air inlet 2351, the exhaust of air pump exhaust outlet 2352, air pump
Threeway 237, the 3rd pipeline back segment 2333, the 3rd magnetic valve 2331, the 3rd pipeline leading portion 2332, connection threeway 230 and tracheae
204.And then, air pressure increases in the first air cavity 2211, when the air pressure in the first air cavity 2211 is higher than the second air cavity 2212, first
Gases at high pressure in air cavity 2211 promote second piston 223 to be moved to away from the direction of air pump 235, and the motion of second piston 223 makes
Gas in second air cavity 2212 progressively flows into the 3rd air cavity 2213, therefore the 3rd air cavity 2213 by the degerming unit 206
Interior air is the filtrated air after filtering.Because the 3rd air cavity 2213 is connected by the handle set 222 with medicine dissolving device air cavity 217
It is logical, so the gas in the 3rd air cavity 2213 progressively flows into medicine dissolving device air cavity 217, when the air pressure in medicine dissolving device air cavity 217 is higher than
During pressure in molten medicine chamber 216, the gases at high pressure in medicine dissolving device air cavity 217 can promote the first piston 214 near needle holder
Move in 213 directions.
Described control unit 205 perform the second control logic be：After the suction button 227 is individually pressed, first
Magnetic valve 2311 is closed with the 3rd magnetic valve 2331, and the second magnetic valve 2321 and the 4th magnetic valve 2341 are opened, and air pump 235 starts
Work.
The second control logic is performed, air pump 235 is started working, the gas in first air cavity 2211 is flowed through gas successively
Pipe 204, connection threeway 230, the second pipeline leading portion 2322, the second magnetic valve 2321, the second pipeline back segment 2323, air pump air inlet three
Logical 236, air pump air inlet 2351, air pump exhaust outlet 2352, air pump blow-off tee 237, the 4th pipeline back segment 2343, the 4th electromagnetism
Valve 2341, the 4th pipeline leading portion 2342 and exhaust outlet 142.Therefore, the air pressure in the first air cavity 2211 declines, when the first air cavity
When air pressure in 2211 is less than the second air cavity 2212, the gas push second piston 223 in the second air cavity 34 is near air pump 235
Direction is moved, and the gas in the 3rd air cavity 2213 is progressively flowed into the second air cavity 2212, then the gas in medicine dissolving device air cavity 217
Flow into the 3rd air cavity 2213, when the air pressure in medicine dissolving device air cavity 217 is less than the pressure in molten medicine chamber 216, described first lives
Plug 214 is moved to away from the direction of needle holder 213.
Sterile dispensing System Working Principle in the present embodiment three：
First, the tail end of medicine dissolving device body 211 and the handle set 222 are fixed together, then press and push away
Button 226 is sent, the first control logic is performed, the air in molten medicine chamber 216 is all discharged, when the air in molten medicine chamber 216 is complete
Portion discharge after, unclamp push button 226, and by injection needle 212 insert liquid preparation bottle in, then press suction button 227, hold
The control logic of row second, after liquid is flowed into molten medicine chamber 216, suction button 227 is pressed in release, removes liquid preparation bottle,
During injection needle 212 inserted into freeze-dried powder flask for medicinal preparations, and then push button 226 is pressed, perform the first control logic, make molten medicine chamber
216 inner liquid medicines are flowed into freeze-dried powder flask for medicinal preparations, after liquid and freeze-dried powder are sufficiently mixed, press suction button 227, perform second
Control logic, the mixture of freeze-dried powder and liquid is extracted to molten medicine chamber, completes molten medicine.Sterile dispensing system work process
In, the air in the medicine dissolving device air cavity 217 remains the filtrated air after filtering, prevents inside medicine dissolving device body 211
Polluted, make molten medicine process safer.
Preferred embodiment of the present utility model is the foregoing is only, is merely illustrative for the utility model, and
It is nonrestrictive.Those skilled in the art understanding, can be to it in the spirit and scope that the utility model claim is limited
Many changes are carried out, is changed, in addition it is equivalent, but fall within protection domain of the present utility model.
Claims (9)
1. a kind of sterile dispensing system, it is characterised in that including:
One handheld component, the cavity for providing gas circulation；
One pneumatic unit, for pumping into the air in air or the suction handheld component to the handheld component；
One degerming unit, the degerming unit is used to filter impurity and the bacterium in air；
The handheld component is connected with the pneumatic unit.
2. sterile dispensing system as claimed in claim 1, it is characterised in that it also includes a molten prescription unit, the molten prescription
It is first to be connected using being detachably connected mode with the handheld component.
3. sterile dispensing system as claimed in claim 2, it is characterised in that the molten prescription unit includes medicine dissolving device body and the
One piston, the first piston is placed in the medicine dissolving device body, and is axially moved in the medicine dissolving device body.
4. sterile dispensing system as claimed in claim 3, it is characterised in that the handheld component includes that handle, handle are connected
Portion, the handle is hollow structure inside, and described handle connecting portion one end is connected with the medicine dissolving device body, the handle connection
Portion's other end is connected with the handle, and the handle is connected with the pneumatic unit.
5. sterile dispensing system as claimed in claim 4, it is characterised in that the handle also includes a button group, described to press
Key group at least includes a button, and the button group is used to control the pneumatic unit to pumping into air in the handheld component,
Or control the pneumatic unit to extract the air in the handheld component out.
6. sterile dispensing system as claimed in claim 5, it is characterised in that the degerming unit is built in the pneumatic unit
In.
7. sterile dispensing system as claimed in claim 6, it is characterised in that the pneumatic unit includes that a pipeline group is gentle
Pump, the air pump is connected with the pipeline group, and the pipeline group at least includes four pipelines, and the pipeline group includes magnetic valve
Group, the solenoid valve block at least includes four magnetic valves, is managed in the quantity of magnetic valve and the pipeline group in the solenoid valve block
Way amount is corresponding.
8. sterile dispensing system as claimed in claim 7, it is characterised in that it also includes a control unit, the control list
It is first to be connected with the air pump, the button group, the solenoid valve block.
9. sterile dispensing system as claimed in claim 4, it is characterised in that the degerming unit is built in the handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620452664.6U CN206261830U (en) | 2016-05-18 | 2016-05-18 | A kind of sterile dispensing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620452664.6U CN206261830U (en) | 2016-05-18 | 2016-05-18 | A kind of sterile dispensing system |
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| Publication Number | Publication Date |
|---|---|
| CN206261830U true CN206261830U (en) | 2017-06-20 |
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ID=59035861
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620452664.6U Active CN206261830U (en) | 2016-05-18 | 2016-05-18 | A kind of sterile dispensing system |
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| Country | Link |
|---|---|
| CN (1) | CN206261830U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105796340A (en) * | 2016-05-18 | 2016-07-27 | 张巍 | Sterile medicine dispensing system |
-
2016
- 2016-05-18 CN CN201620452664.6U patent/CN206261830U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105796340A (en) * | 2016-05-18 | 2016-07-27 | 张巍 | Sterile medicine dispensing system |
| CN105796340B (en) * | 2016-05-18 | 2019-05-07 | 张巍 | A kind of sterile dispensing system |
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Effective date of registration: 20220902 Address after: No. 1, 3rd Floor, Unit 4, Building 24, Fenghua Community, Xiangfang District, Harbin City, Heilongjiang Province, 150040 (Residential) Patentee after: Harbin Biyan Technology Co.,Ltd. Address before: Harbin Churun Medical Equipment Co., Ltd., No. 27, Bohai 3rd Road, Haping Road Concentration Zone, Economic Development Zone, Harbin City, Heilongjiang Province, 150069 Patentee before: Zhang Wei |
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Effective date of registration: 20240218 Address after: Room 201-2, Building C, Tianshan Science and Technology Park, No. 319 Xiangjiang Road, High tech Zone, Shijiazhuang City, Hebei Province, 050000 Patentee after: Hebei Yijia Medical Equipment Co.,Ltd. Country or region after: China Address before: No. 1, 3rd Floor, Unit 4, Building 24, Fenghua Community, Xiangfang District, Harbin City, Heilongjiang Province, 150040 (Residential) Patentee before: Harbin Biyan Technology Co.,Ltd. Country or region before: China |