CN203436632U - Assembling unit of injection device and seeding bottles - Google Patents
Assembling unit of injection device and seeding bottles Download PDFInfo
- Publication number
- CN203436632U CN203436632U CN201320618481.3U CN201320618481U CN203436632U CN 203436632 U CN203436632 U CN 203436632U CN 201320618481 U CN201320618481 U CN 201320618481U CN 203436632 U CN203436632 U CN 203436632U
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- bottle
- western
- injection device
- syringe
- trocar
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Abstract
The utility model relates to the field of medical equipment, and discloses an assembling unit of an injection device and seeding bottles. The assembling unit comprises an injection device, a first seeding bottle filled with powder, and a second seeding bottle filled with an aqueous solution, wherein the seeding bottle comprises a bottle body, the inner wall of which is straight; a piston is arranged in the bottle body close to the bottleneck; a push plate is cladded in the piston; a pinhole is formed in the center of the push plate; the bottleneck is provided with a rubber plug and a cap for sealing; the injection device comprises an injection pipe; an internal needle in the injection pipe is arranged at the bottom part of the injection pipe; a trocar needle is arranged outside the internal needle; the diameter of the trocar needle is greater than that of the pinhole; the pinhead of the internal needle extends out of the trocar needle; the tail part of the internal needle is communicated with the outlet of the injection pipe; an external needle is arranged at the outlet of the injection pipe; and the inner wall of the injection pipe is in clearance fit with the outer edge of the bottleneck.
Description
Technical field
This utility model relates to medical instruments field, particularly a kind of injection device and western fourth bottle molectron.
Background technology
As everyone knows, common medical bottle has ampoule bottle, cillin bottle, clamped bottle 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 are ripe, sealing in fill adopts flame to heat the ampoule neck of liquid drug, after it melts, by drawing seal technique, make ampoule bottle sealing.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, has secondary pollution problem, and the dosage of its product of producing is limited.
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.
Clamped bottle bottleneck is equipped with plug and seals with aluminium lid, and 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.
Summary of the invention
The purpose of this utility model is to propose a kind of injection device and western fourth bottle molectron, can guarantee sealing reliability and the terminal sterilization of western fourth bottle, secondary pollution problem in the time of can conveniently making up a prescription and solve injection.
In order to achieve the above object, this utility model is achieved by the following technical solutions.
And a western fourth bottle molectron, it is characterized in that, comprise the first western fourth bottle of injection device, in-built powder and the second western fourth bottle of in-built water preparation;
Described western fourth bottle comprises that inwall is the bottle of straight tube, in described bottle, near bottleneck, is provided with piston, is coated with push pedal in piston, and push pedal center offers guide pinhole; Described bottleneck is provided with rubber plug for sealing and capping;
Described injection device, comprises syringe, and the bottom of syringe is provided with the pin that is positioned at syringe, and interior pin is outside equipped with trocar; Described trocar diameter is greater than described guide pinhole; The syringe needle of described interior pin stretches out outside described trocar, and the afterbody of interior pin is communicated with the outlet of described syringe, and the outlet of described syringe is provided with outer pin; The outer matched in clearance of the inner tubal wall of described syringe and described bottleneck.
The feature of technique scheme and further improvement are:
In described western fourth bottle, the inwall of described bottle is circle straight tube, and circle straight tube coordinates with described piston.
In described western fourth bottle, described piston adopts medical grade rubber material to make.
In described western fourth bottle, described piston center is respectively arranged with large mouthful of outside horn mouth near described push pedal both sides.
In described western fourth bottle, described guide pinhole forms for large mouthful of two outside horn mouths dock.
In described western fourth bottle, described capping is aluminum capping or plastic closure.
In described injection device, described interior pin and trocar are matched in clearance, and trocar two ends are respectively arranged with ventilation breach or near two ends, passage are set respectively.
In described injection device, described interior pin and outer pin are the double needle being connected as a single entity.
In described injection device, be provided with the guide pin bushing of matched in clearance in described syringe, described trocar slides and runs through described guide pin bushing, the outer of bottleneck described in guide pin bushing cuff.
In described injection device, described syringe is tubulose frame.
Injection device of the present utility model and western fourth bottle molectron, comprise western fourth bottle and injection device.Wherein, western fourth bottle comprises that inwall is the bottle of straight tube, in bottle, near bottleneck, is provided with piston, is coated with push pedal in piston, and push pedal center offers guide pinhole; Bottleneck is provided with rubber plug for sealing and capping; Piston has carried out once encapsulation to medicament, and rubber stopper and aluminum capping have been carried out encapsulation again to medicament, so its sealing is reliable, and secondary encapsulation is traditional handicraft, terminal sterilization, and preparation is simple; And, during use, by promoting piston, realize function of injection.
Its injection device, comprises syringe, and the bottom of syringe is provided with the pin that is positioned at syringe, and interior pin is outside equipped with trocar; Described trocar diameter is greater than described guide pinhole; The syringe needle of described interior pin stretches out outside described trocar, and the afterbody of interior pin is communicated with the outlet of described syringe, and the outlet of described syringe is provided with outer pin; The outer matched in clearance of the inner tubal wall of described syringe and described bottleneck.During use, the capping of the western fourth bottle of first breakdown, slide along the inner tubal wall of syringe in the outer of bottleneck, interior pin and trocar be pierces through rubber stopper respectively, along with the propelling of bottle, interior pin again pierces through piston and contacts medicament through guide pinhole, and trocar promotes piston, medicament goes out by interior pin and outer faller gill, thereby realizes the injection of medicament.Like this, 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.
This utility model is compared with injection device with traditional western fourth bottle, has following obvious construction features: (1) bottle inwall, for circle straight tube, supports the use with piston, and one direction is opened mouth, open-minded to distinguish clamped bottle twocouese.(2) in piston, be coated with push pedal, can penetrate water flowing with interior pin, to distinguish pot type piston.(3) pushing away version centre has guide pinhole, and interior pin diameter is less than guide pinhole, is beneficial to interior pin break-through piston; Guide pinhole diameter is less than trocar, stops trocar to pass, and so just has the function that push pedal promotes piston-advance.(4) interior pin is longer than trocar, grows part and is greater than piston thickness, to guarantee that interior pin touches medicinal liquid.(5) syringe can design handle so that operation is used.Syringe bottom band pore, so that bottle pushes.(6) positioning sleeve is sliding positioning sleeve.
Said structure feature of the present utility model makes the fill of medicine bottle and injection that change improvement occur, when the second western fourth bottle of the first western fourth bottle that utilizes in-built powder and in-built water preparation makes up a prescription, utilize back pressure type principle pigment drug solns suck-back can be entered to bottle, human body reinjects, making up a prescription and inject all need not be by means of common needle tubing, do not need gnotobasis to make up a prescription, can directly inject in human body, reduced secondary pollution problem.
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 western fourth bottle of the present utility model;
Fig. 2 is the structural representation of a kind of injection device of the present utility model;
Fig. 3 is western fourth bottle in Fig. 1 and the fit structure schematic diagram of injection device;
Fig. 4 is the structural representation of the first western fourth bottle of in-built powder;
Fig. 5 is the structural representation of the second western fourth bottle of in-built water preparation;
Fig. 6 is the structural representation of outer pin;
Fig. 7 is the structural representation of another kind of injection device of the present utility model;
In figure: 1, bottle; 2, piston; 3, push pedal; 4, rubber stopper; 5, aluminum capping; 6, medicament; 7, syringe; 8, trocar; 9, interior pin; 10, guide pin bushing; 11, outer pin; 12, the first western fourth bottle; 13, the second western fourth bottle.
The specific embodiment
With reference to Fig. 1, be western fourth bottle of the present utility model, mainly comprise that inwall is the bottle 1 of straight tube and with the bottleneck of outer.Wherein, bottleneck is provided with rubber plug for sealing 4 and aluminum capping 5, and bottle 1 is interior is provided with piston 2 near bottleneck, and piston 2 adopts medical grade rubber material to make, and is coated with push pedal 3 in piston 2 completely, and push pedal 3 centers offer guide pinhole.Piston 2 centers are respectively arranged with large mouthful of outside horn mouth near push pedal 3 both sides.Horn mouth near push pedal 3 outsides, facilitates guide pin and puncture; Horn mouth near push pedal 3 inner sides, facilitates the suction completely of medicament.Guide pinhole forms for large mouthful of two outside horn mouths dock.As shown in Figure 4, be the first western fourth bottle 12 of in-built powder; As shown in Figure 5, be the second western fourth bottle 13 of in-built sterile water for injection water preparation.
It should be noted that, western fourth bottle of the present utility model can be also the bottle of straight tube, and the covering of bottleneck is not limited to aluminum capping, can be also plastic closure.
With reference to Fig. 2, Fig. 3, the fit structure of injection device and western fourth bottle is described.Wherein, injection device comprises syringe 7, and syringe 7 also can be tubulose frame.The present embodiment adopts syringe 7, and the bottom of syringe 7 is provided with the pin 9 that is positioned at syringe 7, and interior pin 9 is outside equipped with trocar 8; The effect of interior pin 9 and trocar 8 is difference pierces through rubber stopper.When the propelling of bottle 1, interior pin 8 pierces through piston 2 again, and through guide pinhole contact medicament, and trocar 9 promotes piston 2 against push pedal outside, medicament is discharged by interior pin 9; Therefore, require trocar 9 diameters to be greater than the guide pinhole diameter at piston 2 places, certainly interior pin 9 diameters are less than the diameter of guide pinhole; And in requiring, the syringe needle of pin 9 stretches out outside trocar 8, and can again sting piston 2 by guide pinhole, contact medicament.
The afterbody of interior pin 9 is communicated with the outlet of syringe 7, and the outlet of syringe 7 is provided with outer needle adapter, and outer pin can be installed.Another kind of preferred version is that interior pin 9 and outer pin are the double needle being connected as a single entity.When interior pin 9 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, the secondary pollution problem while having solved better drug injection.
In the present embodiment, be provided with the guide pin bushing 10 of matched in clearance in syringe 7, trocar 8 slides and runs through guide pin bushing 10, the outer of guide pin bushing 10 cuff bottlenecks.Syringe 7 and guide pin bushing 10 matched in clearance, bottle easily pushes in syringe 7 like this; In replacement scheme, the two can also be to be slidably matched, and needing improved is to offer steam vent in syringe 7 bottoms; Certainly, syringe 7 is tubulose frame, just without considering exhausting problem.
It should be noted that interior pin 9 and trocar 10 can be matched in clearance, and trocar two ends are respectively arranged with ventilation breach or near two ends, passage are set respectively.In use, be conducive to aerofluxus and promote piston.
With reference to Fig. 6, Fig. 7, another kind of injection device of the present utility model is described, its with reference to the difference of the injection device shown in Fig. 2, Fig. 3, be, outer pin 11 is with the outlet of syringe 7 for being threaded, the reliability being threaded is due to traditional plug connection.
Accompanying drawings using method of the present utility model.While making up a prescription, outer pin is first installed, the aluminum capping of western fourth bottle the 12, the second western fourth bottle 13 of breakdown first, will be needled into the first western fourth bottle 12 outward; Again by second medical with bottle 13 bottlenecks outer cuff in guide pin bushing 10, bottle 1 slides along the inner tubal wall of syringe 7, interior pin 9 and trocar 8 be pierces through rubber stopper 4 respectively, propelling along with bottle 1, interior pin 9 pierces through piston 2 again, and contacts medicament by guide pinhole, and trocar 8 is against push pedal 3 and promote piston 2, sterile water for injection water preparation is injected in the first western fourth bottle 12 by interior pin 9 and outer pin 11, realizes the mixing of water preparation and powder and makes up a prescription.During injection, only need be by the first western fourth bottle 12 that is mixed with water preparation and powder according to above-mentioned the second medical fit system use with injection device with bottle 13.
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 situation that do not depart from the scope that this utility model claim is protected, can also make a variety of forms, and these all belong to the row of this utility model protection.
Claims (10)
1. injection device and a western fourth bottle molectron, is characterized in that, comprises the first western fourth bottle of injection device, in-built powder and the second western fourth bottle of in-built water preparation;
Described western fourth bottle comprises that inwall is the bottle of straight tube, in described bottle, near bottleneck, is provided with piston, is coated with push pedal in piston, and push pedal center offers guide pinhole; Described bottleneck is provided with rubber plug for sealing and capping;
Described injection device, comprises syringe, and the bottom of syringe is provided with the pin that is positioned at syringe, and interior pin is outside equipped with trocar; Described trocar diameter is greater than described guide pinhole; The syringe needle of described interior pin stretches out outside described trocar, and the afterbody of interior pin is communicated with the outlet of described syringe, and the outlet of described syringe is provided with outer pin; The outer matched in clearance of the inner tubal wall of described syringe and described bottleneck.
2. injection device and western fourth bottle molectron according to claim 1, is characterized in that, in described western fourth bottle, the inwall of described bottle coordinates with described piston for circle straight tube, circle straight tube.
3. injection device and western fourth bottle molectron according to claim 1, is characterized in that, in described western fourth bottle, described piston adopts medical grade rubber material to make.
4. injection device and western fourth bottle molectron according to claim 1, is characterized in that, in described western fourth bottle, described piston center is respectively arranged with large mouthful of outside horn mouth near described push pedal both sides.
5. injection device and western fourth bottle molectron according to claim 1, is characterized in that, in described western fourth bottle, described guide pinhole forms for large mouthful of two outside horn mouths docking.
6. injection device and western fourth bottle molectron according to claim 1, is characterized in that, in described western fourth bottle, described capping is aluminum capping or plastic closure.
7. injection device and western fourth bottle molectron according to claim 1, is characterized in that, in described injection device, described interior pin and trocar are matched in clearance, and trocar two ends are respectively arranged with ventilation breach or near two ends, passage are set respectively.
8. injection device and western fourth bottle molectron according to claim 1, is characterized in that, in described injection device, described interior pin and outer pin are the double needle being connected as a single entity.
9. injection device and western fourth bottle molectron according to claim 1, is characterized in that, in described injection device, is provided with the guide pin bushing of matched in clearance in described syringe, and described trocar slides and runs through described guide pin bushing, the outer of bottleneck described in guide pin bushing cuff.
10. injection device and western fourth bottle molectron according to claim 1, is characterized in that, in described injection device, described syringe is tubulose frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320618481.3U CN203436632U (en) | 2013-08-08 | 2013-08-08 | Assembling unit of injection device and seeding bottles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320618481.3U CN203436632U (en) | 2013-08-08 | 2013-08-08 | Assembling unit of injection device and seeding bottles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203436632U true CN203436632U (en) | 2014-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320618481.3U Expired - Lifetime CN203436632U (en) | 2013-08-08 | 2013-08-08 | Assembling unit of injection device and seeding bottles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203436632U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014117691A1 (en) * | 2013-01-31 | 2014-08-07 | Ding Yiling | Medicinal cefoxitin vial, and dispensing apparatus and injection apparatus thereof |
| CN104306152A (en) * | 2014-10-10 | 2015-01-28 | 丁西 | Three-cavity clamping type medicine bottle and injection device composite member thereof |
| CN107080883A (en) * | 2017-06-27 | 2017-08-22 | 陶司佳 | Soft injection capsule device storage medicine device and soft injection capsule device |
-
2013
- 2013-08-08 CN CN201320618481.3U patent/CN203436632U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014117691A1 (en) * | 2013-01-31 | 2014-08-07 | Ding Yiling | Medicinal cefoxitin vial, and dispensing apparatus and injection apparatus thereof |
| US10188584B2 (en) | 2013-01-31 | 2019-01-29 | Yiling DING | Medicinal xiding vial and dispensing apparatus and injection apparatus thereof |
| CN104306152A (en) * | 2014-10-10 | 2015-01-28 | 丁西 | Three-cavity clamping type medicine bottle and injection device composite member thereof |
| CN107080883A (en) * | 2017-06-27 | 2017-08-22 | 陶司佳 | Soft injection capsule device storage medicine device and soft injection capsule device |
| CN107080883B (en) * | 2017-06-27 | 2020-09-29 | 陶司佳 | Medicine storage device for soft capsule injector and soft capsule injector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |
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| CX01 | Expiry of patent term |