CN203539696U - Counter pressure cefoxitin bottle and injection device assembly thereof - Google Patents
Counter pressure cefoxitin bottle and injection device assembly thereof Download PDFInfo
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- CN203539696U CN203539696U CN201320625403.6U CN201320625403U CN203539696U CN 203539696 U CN203539696 U CN 203539696U CN 201320625403 U CN201320625403 U CN 201320625403U CN 203539696 U CN203539696 U CN 203539696U
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- bottle
- piston
- syringe
- push rod
- injection device
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- 238000002347 injection Methods 0.000 title claims abstract description 85
- 239000007924 injection Substances 0.000 title claims abstract description 85
- WZOZEZRFJCJXNZ-ZBFHGGJFSA-N cefoxitin Chemical compound N([C@]1(OC)C(N2C(=C(COC(N)=O)CS[C@@H]21)C(O)=O)=O)C(=O)CC1=CC=CS1 WZOZEZRFJCJXNZ-ZBFHGGJFSA-N 0.000 title abstract 3
- 229960002682 cefoxitin Drugs 0.000 title abstract 3
- 238000005520 cutting process Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 abstract description 9
- 239000003814 drug Substances 0.000 description 37
- 238000000034 method Methods 0.000 description 27
- 239000007788 liquid Substances 0.000 description 21
- JGSARLDLIJGVTE-UHFFFAOYSA-N 3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid Chemical compound O=C1N2C(C(O)=O)C(C)(C)SC2C1NC(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-UHFFFAOYSA-N 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 229940079593 drug Drugs 0.000 description 18
- 230000008569 process Effects 0.000 description 18
- 238000002360 preparation method Methods 0.000 description 17
- 230000009977 dual effect Effects 0.000 description 14
- 239000003708 ampul Substances 0.000 description 10
- 239000000843 powder Substances 0.000 description 10
- 230000001954 sterilising effect Effects 0.000 description 10
- 238000003860 storage Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000000049 pigment Substances 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001651 emery Inorganic materials 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229960005486 vaccine Drugs 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 229930182555 Penicillin Natural products 0.000 description 1
- JGSARLDLIJGVTE-MBNYWOFBSA-N Penicillin G Chemical compound N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-MBNYWOFBSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000008155 medical solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229940049954 penicillin Drugs 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- 231100000419 toxicity Toxicity 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a counter pressure cefoxitin bottle and an injection device assembly thereof. The counter pressure cefoxitin bottle comprises a bottle body of which the inner wall is a straight barrel; a first piston is arranged at a position close to a bottleneck in the bottle body; a blind hole is formed in the center of the outer bottom surface of the first piston; the bottleneck is provided with an outer edge and a sealing cover which is fixedly arranged on the outer edge and is used for preventing the first piston from falling off. The injection device comprises an injection tube, wherein a fixed push rod positioned in the injection tube and an inner needle longitudinally passing through the fixed push rod are arranged at the center of the bottom of the injection tube; the needle head of the inner needle extends out of the fixed push rod; an outer needle is arranged at the outlet end of the injection tube; the tail part of the outer needle is communicated with the tail part of the inner needle; the inner tube wall of the injection tube is in clearance fit with the outer edge of the bottleneck; the free end of the push rod is in clearance fit with the blind hole in the center of the outer bottom surface of the first piston; the free end of the fixed push rod is in threaded connection with the blind hole formed in the center of the outer bottom surface of the first piston.
Description
Technical field
This utility model relates to medical instruments field, particularly the western fourth bottle of a kind of back pressure type and injection device molectron thereof.
Background technology
As everyone knows, common medical bottle has ampoule bottle, cillin bottle, clamped bottle, precharging type syringe etc.
Ampoule bottle is the vial with flame sealing, be usually used in depositing the medicine of injection and vaccine, serum etc., its cleaning, drying sterilizing and filling process maturation, sealing in fill adopts flame to heat the ampoule bottle cervical region of liquid drug, until its melt after, with drawing seal technique make ampoule bottle seal.But because its sealing adopts flame heating, can not be applicable to nonrefractory property medicine; In embedding process, thereby exist, because causing medicinal liquid chemical reaction, high temperature affects the risk of drug quality on the other hand.In use, need to cut bottleneck, free-hand break into two with one's hands or hard device is opened ampoule bottle-neck with emery wheel, utilize the medicine in syringe pump ampoule bottle to inject, syringe directly contacts medicine.In formulation operations process, the as easy as rolling off a log emery wheel end and the chips of glass that stick at bottle wall of causing fallen in medicine bottle, toxicity medicinal liquid directly contacts and causes infection with formulator skin, ampoule bottle opening procedure herb liquid contacts with outside air, there is secondary pollution problem, and the dosage limited size of its product of producing.
Cillin bottle is gained the name because of the early stage penicillin of multiplex its splendid attire, and cillin bottle claims again soda-lime glass injection bottle made processed, is a kind of ampoule of plug sealing.Have the kinds such as brown, transparent, be generally glass material, its neck part is thinner, and the following thickness of bottleneck is consistent, and bottleneck is slightly coarser than bottleneck, is slightly narrower than body, can be used as iodine bottle, injection bottle, oral liquid bottle etc.When using as injection bottle, similar with ampoule bottle, formulation operations process is loaded down with trivial details, need to utilize the medicine in syringe pump cillin bottle to inject, in the medicine process with in syringe pump cillin bottle, owing to producing negative pressure in bottle, be difficult to sucking-off medicinal liquid, need to strengthen extracting force, allow medicinal liquid when needle tubing is interior to be produced negative pressure and stand upside down suck needle tubing, but extracting moment has and can cause air intake needle tubing, has secondary pollution problem.
Plug is housed clamped bottle bottleneck and with aluminium lid sealing, afterbody seals with rubber piston, is similar to the glass syringe of prepackage medicinal liquid, is separately furnished with injection bilateral guide pin syringe needle and push rod.Use procedure guide pin syringe needle penetrates bottleneck plug, and push rod is put on the rubber piston of bottle afterbody firmly, and medicinal liquid injects human body under the pressure of piston.Because clamped bottle back piston is not by wiper seal for aluminium lid, medicinal liquid expands and very easily makes piston come off when the high temperature sterilize, genus cannot carry out terminal sterilization product.Clamped bottle use procedure medicinal liquid does not contact with any parts of syringe, secondary pollution problem while having solved injection.But because clamped bottle is nonterminal sterilising prods, its afterbody seals with rubber piston, can slide again during use, causes the reliable process of its sealing to require height, production cost is large, and production dosage form selection is limited to.
Precharging type syringe be by direct injectable drug fill in glass syringe, and injection needle is installed on glass syringe, syringe and medicinal liquid packing container are united two into one, direct injection during use, very easy to use and the shelf-life is the same with ampulla and cillin bottle.It has following very outstanding advantage: when (1) is used, without cross infection, in ward, unclean air does not reach medicine, accomplishes positive safety injection; (2) doctors and nurses is extremely easy to use, without taking out medicine, without syringe needle, direct injection, disposable use are installed; (3) medicine makes full use of, noresidue medicinal liquid; (4) field occasion is applicable to self-injection.But precharging type syringe is equally applicable to nonterminal sterilising prods, as biological activity vaccine etc., and its packaging material price is high, is difficult to promote.
For a large amount of medicines, accumulating in its Production and Packaging in pharmaceutical factory, sale and the occupation mode of hospital do not have significant change, especially pharmaceutical packing has determined hospital's occupation mode, and relate to the ubiquity secondary pollution of making up a prescription, the whole world does not have desirable solution yet, can not realize the slitless connection of drug manufacture and injection human body.
Utility model content
The purpose of this utility model is to propose the western fourth bottle of a kind of back pressure type and injection device molectron, can guarantee sealing reliability and the terminal sterilization of the western fourth bottle of back pressure type, secondary pollution problem in the time of can conveniently making up a prescription and solve injection, realizes drug manufacture and the slitless connection of injecting human body.
In order to achieve the above object, this utility model is achieved by the following technical solutions.
(1) the western fourth bottle of back pressure type and an injection device molectron thereof, is characterized in that, comprises the western fourth bottle of back pressure type and injection device;
The western fourth bottle of described back pressure type, comprises that inwall is the bottle of straight tube, is provided with first piston in described bottle near bottleneck, and the outer bottom center of first piston is provided with blind hole, and described bottleneck is provided with outer and is fixed on and on outer, prevents the capping that first piston comes off;
Described injection device, comprise syringe, the bottom centre of syringe is provided with the fixing push rod that is positioned at syringe and the pin that longitudinally runs through described fixing push rod, the syringe needle of described interior pin stretches out outside described fixing push rod, the port of export of described syringe is provided with outer pin, and the afterbody of outer pin is communicated with the afterbody of described interior pin; The outer matched in clearance of the inner tubal wall of described syringe and described bottleneck; The blind hole at the outer bottom center of the free end of described push rod and described first piston is connected.
The further improvement of technique scheme is:
The outer bottom of described first piston is provided with the Gask-O-Seal with its disjunctor, and described Gask-O-Seal is between described bottleneck and described capping; The free end of described fixing push rod is set with the annular blade for cutting and separating first piston and Gask-O-Seal.
Being connected as being threaded of the blind hole that the free end of described fixing push rod arranges with the outer bottom center of described first piston.
Described interior pin and outer pin are the double needle being connected as a single entity.
The outer bottom of the corresponding first piston in described capping center is provided with easy pulling sheet.
(2) the western fourth bottle of a kind of back pressure type, it is characterized in that, comprise that inwall is the bottle of straight tube, in described bottle, near bottleneck, be provided with first piston, the outer bottom center of first piston is provided with blind hole, and described bottleneck is provided with outer and is fixed on and on outer, prevents the capping that first piston comes off.
The further improvement of technique scheme is:
The outer bottom of described first piston is provided with the Gask-O-Seal with its disjunctor, and described Gask-O-Seal is between described bottleneck and described capping.
The inner bottom surface center of described first piston is provided with depression.
Described capping is aluminum capping or plastic closure.
The outer bottom of the corresponding first piston in described capping center is provided with easy pulling sheet.
(3) a kind of injection device, it is characterized in that, comprise syringe, the bottom centre of syringe is provided with the fixing push rod that is positioned at syringe and the pin that longitudinally runs through described fixing push rod, the syringe needle of described interior pin stretches out outside described fixing push rod, the port of export of described syringe is provided with outer pin, and the afterbody of outer pin is communicated with the afterbody of described interior pin.
The feature of technique scheme and further improvement are:
On described fixing push rod, slide and be penetrated with guide plate.
The free end of described fixing push rod is set with annular blade.
Described outer pin with the port of export of described syringe for being threaded.
The port of export of described syringe is provided with the protective jacket for described outer pin; Described protective jacket is rubber sleeve or plastic sheath.
The entrance of described interior pin is arranged on its sidewall.
Described interior pin and outer pin are the double needle being connected as a single entity.
Described syringe is tubulose frame.
Of the present utility model have outstanding substantive distinguishing features with significant progressive.The western fourth bottle of this back pressure type, the bottle that its inwall is straight tube, is provided with first piston near bottleneck in bottle, and the outer bottom center of first piston is provided with blind hole, and bottleneck is provided with outer and is fixed on and on outer, prevents the capping that first piston comes off; The outer bottom of first piston is provided with the Gask-O-Seal with its disjunctor, and Gask-O-Seal is between bottleneck and described capping.First piston has carried out once encapsulation to medicament, and Gask-O-Seal has carried out encapsulation again to medicament, and capping has been carried out three encapsulation to medicament; And three encapsulation are traditional handicraft, preparation is simple, can conveniently realize terminal sterilization.
Its injection device, comprise syringe, the bottom centre of syringe is provided with and is positioned at the fixing push rod of syringe and longitudinally runs through the pin of fixing push rod, and the syringe needle of interior pin stretches out outside fixing push rod, the port of export of syringe is provided with outer pin, and the afterbody of outer pin is communicated with the afterbody of described interior pin.The free end of fixing push rod is set with annular blade, in injection, is used for cutting and separating first piston and Gask-O-Seal.Medicament is less with extraneous contact probability in injection process.When interior pin and outer pin are the double needle being connected as a single entity, medicament is thoroughly hedged off from the outer world in injection process, secondary pollution problem while having solved drug injection better.
Said structure feature of the present utility model makes injecting liquid drug that change improvement occur: (1) pharmaceutical factory liquid drug can directly be injected in vivo.(2) fill water preparation in pharmaceutical factory can be used for surgery and irrigates.(3) while joining cillin bottle powder or the western fourth bottle of back pressure type of the present utility model powder, by injection device, can utilize back pressure type principle pigment drug solns suck-back can be entered to bottle, human body reinjects.(4) the western fourth bottle of this back pressure type can be directly used in injection mechanical pencil.(5) the western fourth bottle of this back pressure type can be directly used in injection automatic pump.
These several property changed are improved all need not be by means of common needle tubing, does not need gnotobasis to make up a prescription, and can directly inject and in human body, reduce secondary pollution problem; Secondary pollution problem in the time of can conveniently making up a prescription and solve injection, realizes drug manufacture and the slitless connection of injecting human body.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, this utility model is described in further details.
Fig. 1 is the structural representation of the western fourth bottle of the back pressure type of a kind of single chamber of the present utility model;
Fig. 2 is the structural representation of a kind of first piston of the western fourth bottle of the back pressure type of single chamber;
Fig. 3 is the structural representation of the another kind of first piston of the western fourth bottle of the back pressure type of single chamber;
Fig. 4 is the structural representation of the western fourth bottle of the back pressure type of another kind of dual cavity of the present utility model;
Fig. 5 is the structural representation of the second piston of the western fourth bottle of the back pressure type of dual cavity;
Fig. 6 is the structural representation of dispensation apparatus of the present utility model;
Fig. 7 is the use principle figure that makes up a prescription of the western fourth bottle of the back pressure type of dispensation apparatus of the present utility model and dual cavity;
Fig. 8 is the structural representation of injection device of the present utility model;
Fig. 9 is the injection use principle figure of the western fourth bottle of the back pressure type of injection device of the present utility model and single chamber;
Figure 10 utilizes the make up a prescription initial procedure schematic diagram of injection device to the western fourth bottle of the back pressure type of single chamber and cillin bottle;
Figure 11 utilizes the make up a prescription mixed process schematic diagram of injection device to the western fourth bottle of the back pressure type of single chamber and cillin bottle;
Figure 12 utilizes the make up a prescription back suction Principle of Process figure of injection device to the western fourth bottle of the back pressure type of single chamber and cillin bottle;
Figure 13 utilizes the make up a prescription Principle of Process figure of injection device to the western fourth bottle of the back pressure type of two single chambers;
Figure 14 is the injection use principle figure that utilizes injection device and complete the western fourth bottle of back pressure type of the dual cavity of making up a prescription;
In figure: 1, bottle; 2, first piston; 3, blind hole; 4, Gask-O-Seal; 5, capping; 6, easy pulling sheet; 7, the second piston; 8, push pedal; 9, the pipe that makes up a prescription; 10, hollow needle; 1001, entrance; 1002, outlet; 11, guide pin bushing; 12, syringe; 13, fixing push rod; 14, interior pin; 15, outer pin; 16, guide plate; 17, annular blade; 18, protective jacket.
The specific embodiment
With reference to Fig. 1, for the western fourth bottle of back pressure type of a kind of single chamber of the present utility model, its bottle 1 wall is straight tube, bottle 1 arranges first piston 2 near bottleneck, at first piston 2 outer bottom centers, be provided with blind hole 3, bottleneck is provided with outer, is fixed with and prevents come off 2 capping 5 of first piston on outer, capping 5 can be aluminum capping, can be also plastic closure.The position of the outer bottom of the capping 5 corresponding first pistons 2 in centers is provided with easy pulling sheet 6, and object is convenient unlatching in order to inject.
In the present embodiment, in order to guarantee sealing, at the outer bottom of first piston 2, be provided with and the Gask-O-Seal 4 of its disjunctor, this Gask-O-Seal 4 is between bottleneck outer and capping 5.Meanwhile, the inner bottom surface center of first piston 2 can arrange depression, as shown in Figure 2 and Figure 3, so that injection later stage collection medicinal liquid.
With reference to Fig. 4, be the western fourth bottle of back pressure type of another kind of dual cavity of the present utility model, the difference of the western fourth bottle of back pressure type of itself and single chamber is: at the middle part of bottle, be provided with the second piston 7, the second pistons 7 bottle is divided into drug storage upper chamber and water preparation lower chambers.As shown in Figure 5, in the second piston 7, be coated with push pedal 8, push pedal 8 centers offer guide pinhole, and guide pinhole is that large mouthful of two outside horn mouth docking form, and is beneficial to puncture; And the second piston 7 centers are respectively arranged with large mouthful of outside horn mouth near push pedal 8 both sides, be beneficial to injection later stage collection medicinal liquid.
With reference to Fig. 6, dispensation apparatus of the present utility model, its effect is that the back pressure type Xi Dingpingzhong drug storage upper chamber of dual cavity and water preparation lower chambers are communicated with, and is configured to admixing medical solutions, and forms single chamber.In this dispensation apparatus, be provided with the hollow needle 10 that is positioned at the pipe 9 that makes up a prescription in the bottom centre of the pipe 9 that makes up a prescription, wherein hollow needle 10 is comprised of head and bar portion, and the head diameter of hollow needle 10 is less than bar portion diameter; The sidewall of the head of hollow needle 10 is provided with entrance 1001, and the sidewall of bar portion is provided with outlet 1002.Making up a prescription pipe 9 can be for tubulose frame, with simplified structure.Make up a prescription and manage the guide pin bushing 11 that is provided with matched in clearance in 9, the bar portion of hollow needle 10 slides and runs through this guide pin bushing 11.
In conjunction with Fig. 7, the use principle of the western fourth bottle of back pressure type of dispensation apparatus of the present utility model and dual cavity is described.In the western fourth bottle of back pressure type of dual cavity, its second piston 7 is divided into drug storage upper chamber and water preparation lower chambers by bottle, is powder in drug storage upper chamber, and water preparation bottom chamber is injection water.During use, the bottleneck of western back pressure type of dual cavity fourth bottle is aimed to the center of the pipe 9 that makes up a prescription of dispensation apparatus, bottleneck depends on guide pin bushing 11 and directly pushes or rotate and push, hollow needle 10 pierces through first piston 2, until the head of hollow needle 10 pierces through the second piston 7 and stretches into water preparation lower chambers, by the entrance 1001 of hollow needle 10 heads and the outlet 1002 of bar portion sidewall, be communicated with drug storage upper chamber and water preparation lower chambers; Now, owing to being coated with push pedal 8 in the second piston 9, push pedal 8 centers offer guide pinhole, the head diameter of hollow needle 10 is less than guide pinhole, bar portion diameter is greater than guide pinhole, continue to promote the western fourth bottle of back pressure type of dual cavity, the bar portion of hollow needle 10 promotes the second piston 7 by push pedal 8 and moves at the bottom of bottle, the injection water of water preparation lower chambers flows to drug storage upper chamber under back-pressure effect, until at the bottom of the second piston 7 moves to bottle, drug storage upper chamber disappears, the mixing of injection water and powder, and it is maximum that water preparation lower chambers volume reaches.Finally, extract dispensation apparatus, the western fourth bottle of back pressure type that the western fourth bottle of back pressure type of dual cavity now becomes theoretic single chamber.
With reference to Fig. 8, for injection device of the present utility model, the bottom centre of its syringe 12 is provided with and is positioned at the fixing push rod 13 of syringe 12 and longitudinally runs through the pin 14 of fixing push rod 13, the syringe needle of interior pin 14 stretches out outside fixing push rod 13, the port of export of syringe 12 is provided with outer pin 15, the afterbody of pin 14 in the afterbody of outer pin 15 is communicated with.Wherein, the free end of fixing push rod 13 can with the western fourth bottle of back pressure type in being connected of the blind hole 3 that arranges of the outer bottom center of first piston 2, this is connected can be clamping or be threaded, the present embodiment is selected to be threaded.
The present embodiment is in order to be used in conjunction with the western fourth bottle of back pressure type of the dual cavity described in the western fourth bottle of back pressure type and the Fig. 4 of the single chamber shown in Fig. 1, in the western fourth bottle of above-mentioned back pressure type, the outer bottom of its first piston 2 is provided with the Gask-O-Seal 2 with first piston 2 disjunctors, and Gask-O-Seal 2 is between bottleneck and capping 5; Cutting and separating first piston 2 and Gask-O-Seal 4 while using in order to inject, the free end of the fixing push rod 13 of corresponding injection device is set with annular blade.Wherein, the forward line of annular blade is wave, in order to circumgyration incision.
In addition, the present embodiment slides and is penetrated with guide plate 16 on fixing push rod 13, guides back pressure type western fourth bottle when injecting.Outer pin 15 can be solid and reliable being threaded with the port of export of syringe 12, also can adopt the interior pin 14 of the present embodiment and outer pin 15 is technical schemes of the double needle that is connected as a single entity, and outer pin 15 is provided with protective jacket 18, protective jacket 18 can be rubber sleeve or plastic sheath.Syringe 12 can be also tubulose frame, can simplify the structure of injection device.The entrance of interior pin 14 can be arranged on its sidewall, in order to prevent that the cutting of interior pin puncture first piston from having first piston chip.
With reference to Fig. 9, the injection use principle of the western fourth bottle of the back pressure type of injection device of the present utility model and single chamber.When injection is used, first the easy pulling sheet that is positioned at capping center is removed or is pulled off in the capping of the western fourth bottle of back pressure type of single chamber of in-built water preparation (sterilizing injection liquid medicine), again bottleneck is aimed to the center of the syringe of injection device, bottleneck depends on guide plate rotation and pushes, first interior pin thrusts first piston, the free end of the fixing push rod of injection device screws in the blind hole of the outer bottom center setting of first piston, is sleeved on progressively cutting and separating first piston and the Gask-O-Seal of free-ended annular cutting knife of fixing push rod simultaneously.When first piston is Fen Li with Gask-O-Seal, interior needle-penetration first piston, the free end of fixing push rod screws in blind hole bottom; Continue the western fourth bottle of back pressure type that rotation pushed or directly pushed single chamber, under back-pressure effect, the water preparation in the western fourth bottle of the back pressure type of single chamber goes out by interior pin, outer faller gill, realizes function of injection.
With reference to Figure 10, Figure 11 and Figure 12, the make up a prescription process of injection device to the western fourth bottle of the back pressure type of single chamber and cillin bottle of utilizing is described.Wherein, powder (freeze-dried powder) is housed in cillin bottle, water preparation (sterilizing injection liquid medicine) is housed in the western fourth bottle of back pressure type of single chamber.
Making up a prescription in initial procedure, first will be needled into outward in cillin bottle, again the easy pulling sheet that is positioned at capping center is removed or is pulled off in the capping of the western fourth bottle of back pressure type of single chamber of in-built water preparation (sterilizing injection liquid medicine), bottleneck is aimed to the center of the syringe of injection device, bottleneck depends on guide plate rotation and pushes, first interior pin thrusts first piston, the free end of the fixing push rod of injection device screws in the blind hole of the outer bottom center setting of first piston, is sleeved on progressively cutting and separating first piston and the Gask-O-Seal of free-ended annular cutting knife of fixing push rod simultaneously.When first piston is Fen Li with Gask-O-Seal, interior needle-penetration first piston, the free end of fixing push rod screws in blind hole bottom.
Continue the western fourth bottle of back pressure type that rotation pushed or directly pushed single chamber, under back-pressure effect, the water preparation in the western fourth bottle of the back pressure type of single chamber is pressed in cillin bottle by interior pin, outer pin successively, and water preparation mixes with powder, realizes the mixed process of making up a prescription.
After making up a prescription and having mixed, in cillin bottle, be pressurization pigment solution, now, unclamp or the western fourth bottle of back pressure type of pumpback list chamber, the western fourth bottle of back pressure type of the pressurization pigment solution back suction receipt chamber in cillin bottle, the back suction process of making up a prescription completes.
So, after the back suction process of making up a prescription completes, just can directly from cillin bottle, extract outer pin, insert human muscle or vein, utilize the western fourth bottle of back pressure type of injection device and single chamber to carry out human injection.
With reference to Figure 13, the make up a prescription process of injection device to the western fourth bottle of the back pressure type of two single chambers of utilizing is described.Wherein, water preparation (sterilizing injection liquid medicine) is housed in the western fourth bottle of the back pressure type of a single chamber, in the western fourth bottle of back pressure type of another single chamber, powder (powder pin) is housed.
The western fourth bottle of back pressure type that single chamber of powder is inside housed replaces the above-mentioned cillin bottle that utilizes the make up a prescription process of injection device to the western fourth bottle of the back pressure type of single chamber and cillin bottle, and other steps are identical.
With reference to Figure 14, the injection use principle of the western fourth bottle of back pressure type that utilizes injection device and complete the dual cavity of making up a prescription is described.Wherein, complete the western fourth bottle of back pressure type that the western fourth bottle of back pressure type of the dual cavity of making up a prescription becomes theoretic single chamber, its step is with the injecting step of the western fourth bottle of back pressure type of single chamber.
The technical solution of the utility model, successfully solved the secondary pollution problem of the process of making up a prescription and injection process, be not only applicable to policlinic, be applicable to the poor places of sanitary condition such as extensive mountain area, rural area yet, can also be applicable to field, naval vessel and battlefield, disaster area.
Although below by reference to the accompanying drawings embodiment of the present utility model is described, this utility model is not limited to above-mentioned specific embodiments, and above-mentioned specific embodiments is only schematic, guiding, rather than restrictive.Those of ordinary skill in the art, under the enlightenment of this description, in the case of not departing from the scope that this utility model claim protects, can also make a variety of forms, and these all belong to the row of this utility model protection.
Claims (10)
1. the western fourth bottle of back pressure type and an injection device molectron thereof, is characterized in that, comprises the western fourth bottle of back pressure type and injection device;
The western fourth bottle of described back pressure type, comprises that inwall is the bottle of straight tube, is provided with first piston in described bottle near bottleneck, and the outer bottom center of first piston is provided with blind hole, and described bottleneck is provided with outer and is fixed on and on outer, prevents the capping that first piston comes off;
Described injection device, comprise syringe, the bottom centre of syringe is provided with the fixing push rod that is positioned at syringe and the pin that longitudinally runs through described fixing push rod, the syringe needle of described interior pin stretches out outside described fixing push rod, the port of export of described syringe is provided with outer pin, and the afterbody of outer pin is communicated with the afterbody of described interior pin; The outer matched in clearance of the inner tubal wall of described syringe and described bottleneck; The blind hole at the outer bottom center of the free end of described push rod and described first piston is connected;
The outer bottom of described first piston is provided with the Gask-O-Seal with its disjunctor, and described Gask-O-Seal is between described bottleneck and described capping; The free end of described fixing push rod is set with the annular blade for cutting and separating first piston and Gask-O-Seal;
Being connected as being threaded of the blind hole that the free end of described fixing push rod arranges with the outer bottom center of described first piston.
2. the western fourth bottle of back pressure type, it is characterized in that, comprise that inwall is the bottle of straight tube, in described bottle, near bottleneck, be provided with first piston, the outer bottom center of first piston is provided with blind hole, and described bottleneck is provided with outer and is fixed on and on outer, prevents the capping that first piston comes off; The outer bottom of described first piston is provided with the Gask-O-Seal with its disjunctor, and described Gask-O-Seal is between described bottleneck and described capping.
3. an injection device, it is characterized in that, comprise syringe, the bottom centre of syringe is provided with the fixing push rod that is positioned at syringe and the pin that longitudinally runs through described fixing push rod, the syringe needle of described interior pin stretches out outside described fixing push rod, the port of export of described syringe is provided with outer pin, and the afterbody of outer pin is communicated with the afterbody of described interior pin.
4. injection device according to claim 3, is characterized in that, on described fixing push rod, slides and is penetrated with guide plate.
5. injection device according to claim 3, is characterized in that, the free end of described fixing push rod is set with annular blade.
6. injection device according to claim 3, is characterized in that, described outer pin with the port of export of described syringe for being threaded.
7. injection device according to claim 3, is characterized in that, the port of export of described syringe is provided with the protective jacket for described outer pin; Described protective jacket is rubber sleeve or plastic sheath.
8. injection device according to claim 3, is characterized in that, the entrance of described interior pin is arranged on its sidewall.
9. injection device according to claim 3, is characterized in that, described interior pin and outer pin are the double needle being connected as a single entity.
10. injection device according to claim 3, is characterized in that, described syringe is tubulose frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320625403.6U CN203539696U (en) | 2013-10-10 | 2013-10-10 | Counter pressure cefoxitin bottle and injection device assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320625403.6U CN203539696U (en) | 2013-10-10 | 2013-10-10 | Counter pressure cefoxitin bottle and injection device assembly thereof |
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| Publication Number | Publication Date |
|---|---|
| CN203539696U true CN203539696U (en) | 2014-04-16 |
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| CN201320625403.6U Expired - Lifetime CN203539696U (en) | 2013-10-10 | 2013-10-10 | Counter pressure cefoxitin bottle and injection device assembly thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110538363A (en) * | 2019-09-27 | 2019-12-06 | 四川大学华西医院 | diluted injection type rescue syringe |
-
2013
- 2013-10-10 CN CN201320625403.6U patent/CN203539696U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110538363A (en) * | 2019-09-27 | 2019-12-06 | 四川大学华西医院 | diluted injection type rescue syringe |
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