CN203436630U - Injection device and counter pressure type cefoxitin bottle assembly - Google Patents
Injection device and counter pressure type cefoxitin bottle assembly Download PDFInfo
- Publication number
- CN203436630U CN203436630U CN201320482223.7U CN201320482223U CN203436630U CN 203436630 U CN203436630 U CN 203436630U CN 201320482223 U CN201320482223 U CN 201320482223U CN 203436630 U CN203436630 U CN 203436630U
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- bottle
- syringe
- injection device
- trocar
- pressure type
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Abstract
The utility model relates to the field of medical instruments, and discloses an injection device and counter pressure type cefoxitin bottle assembly. The injection device and counter pressure type cefoxitin bottle assembly is characterized in that an injection device, a vial in which freeze-dried powder is placed, and a counter pressure type cefoxitin bottle in which water is arranged are comprised; the counter pressure type cefoxitin bottle comprises a bottle body whose inner wall is straightly-cylindrical; a piston is arranged near the bottle mouth in the bottle body; a push plate is coated in the piston; a needle guide hole is arranged at the center of the push plate; the bottle mouth is provided with a rubber plug and a cap, wherein the rubber plug and the cap are used for sealing; the injection device comprises an injection tube; an inner needle which is located in the injection tube is arranged at the bottom of the injection tube; a trocar needle is arranged outside the inner needle; the diameter of the trocar needle is greater than the diameter of the needle guide hole; the needle head of the inner needle extends out of the trocar needle; the tail of the inner needle is communicated with the outlet of the injection tube; the outlet of the injection tube is connected with an independent ventilator and an outer needle in turn; and the inner tube wall of the injection tube is in clearance fit with the outer edge of the bottle mouth.
Description
Technical field
This utility model relates to medical instruments field, particularly the western fourth bottle of a kind of injection device and back pressure type 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.
Utility model content
The purpose of this utility model is to propose a kind of injection device and the western fourth bottle of back pressure type molectron, can guarantee sealing reliability and the terminal sterilization of the western fourth bottle of back pressure type, and solves secondary pollution problem while injecting.
In order to achieve the above object, this utility model is achieved by the following technical solutions.
And the western fourth bottle of a back pressure type molectron (1), it is characterized in that, comprise injection device, in the cillin bottle of freeze dried powder is housed, the western fourth bottle of back pressure type of water preparation is inside housed;
The western fourth bottle of described back pressure type 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 connected with independently respiratory organ and outer pin in turn; 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 injection device, described respiratory organ comprises connection tube and is arranged on the middle filter screen of connection tube; Described connection tube is threaded with the outlet of described syringe; Described connection tube is connected with the afterbody plug of described outer pin.
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.
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 the western fourth bottle of described back pressure type, the inwall of described bottle is circle straight tube, and circle straight tube coordinates with described piston.
In the western fourth bottle of described back pressure type, described piston adopts medical grade rubber material to make.
In the western fourth bottle of described back pressure type, described piston center is respectively arranged with large mouthful of outside horn mouth near described push pedal both sides.
In the western fourth bottle of described back pressure type, described guide pinhole forms for large mouthful of two outside horn mouths dock.
In the western fourth bottle of described back pressure type, described capping is aluminum capping or plastic closure.
(2), comprise syringe, 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 disposed with respiratory organ and 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 injection device, described respiratory organ comprises connection tube and is arranged on the middle filter screen of connection tube; Described connection tube is threaded with the outlet of described syringe; Described connection tube is connected with the afterbody plug of described outer pin.
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.
In described injection device, described syringe is tubulose frame.
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.
The western fourth bottle of back pressure type of the present utility model and injection device molectron, comprise the western fourth bottle of back pressure type and injection device.Wherein, the western fourth bottle of back pressure type 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 back pressure type, 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 of back pressure type, 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.(7) in injection device, respiratory organ comprises connection tube and is arranged on the middle filter screen of connection tube, and wherein, connection tube is threaded with the outlet of syringe, is connected with the afterbody plug of outer pin.When preparation cillin bottle powder, respiratory organ coordinates with outer pin, can purify the gas sucking in cillin bottle.
In addition, said structure feature of the present utility model makes the fill of medicine bottle and injection that change improvement occur, and also can utilize back pressure type principle pigment drug solns suck-back can be entered to bottle, and human body reinjects; Need not need gnotobasis to make up a prescription by means of common needle tubing, can directly inject and in human body, reduce 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 the western fourth bottle of back pressure type in this utility model;
Fig. 2 is the agent structure schematic diagram of injection device in this utility model;
Fig. 3 is the fit structure schematic diagram of the western fourth bottle of the back pressure type in Fig. 1 and injection device;
Fig. 4 is equipped with the cillin bottle schematic diagram of freeze dried powder in being;
Fig. 5 is the western fourth bottle of the back pressure type of in-built sterile water for injection water preparation;
Fig. 6 is the structural representation of outer pin;
Fig. 7 is the structural representation of respiratory organ;
Fig. 8 is the agent structure schematic diagram with the another kind of injection device that shown in Fig. 6, shown in outer pin, Fig. 7, respiratory organ is used in conjunction with;
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, respiratory organ; 12, outer pin.
The specific embodiment
With reference to Fig. 1, be the western fourth bottle of back pressure type 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 5, be the western fourth bottle of back pressure type of in-built sterile water for injection water preparation.
It should be noted that, the western fourth bottle of back pressure type 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 the western fourth bottle of injection device and back pressure type 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 1, and the outlet of syringe 1 is provided with outer needle adapter.
In conjunction with Fig. 6, Fig. 7, Fig. 8, further illustrate the fit structure of the western fourth bottle of injection device and back pressure type.The outlet of syringe 7 is connected with independently respiratory organ 11 and outer pin 12 in turn, and wherein concrete structure is, respiratory organ 11 comprises connection tube and is arranged on the middle filter screen of connection tube; Connection tube is threaded with the outlet of syringe 7; Be connected with the afterbody plug of outer pin 12.
In above-described 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.
In conjunction with Fig. 4,5,6,7,8, the using method of the western fourth bottle of injection device of the present utility model and back pressure type molectron is described.While making up a prescription, the capping of first breakdown aluminum, the outer cuff of bottleneck is in guide pin bushing 10, bottle 1 slides along the inner tubal wall of syringe 7, and interior pin 9 and trocar 8 be pierces through rubber stopper 4 respectively, along with the propelling of bottle 1, interior pin 9 pierces through piston 2 again, and contact sterile water for injection water preparation by guide pinhole, and trocar 8 is against push pedal 3 and promote piston 2, sterile water for injection is injected into by interior pin 9, respiratory organ 11, outer pin 12 cillin bottle that freeze dried powder is housed successively; Then, spin off syringe, cillin bottle is realized the pressure balance inside and outside it by outer pin 12 and respiratory organ 11, and the gas that enters cillin bottle filters by respiratory organ 12, has avoided the pollution of unclean air to medicament.During injection, pull out respiratory organ 12, directly utilize outer pin 11 to carry out suction and the injection of medicinal liquid.
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. the western fourth bottle of an injection device and back pressure type molectron, is characterized in that, comprise injection device, in the cillin bottle of freeze dried powder is housed, the western fourth bottle of back pressure type of water preparation is inside housed;
The western fourth bottle of described back pressure type 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 connected with independently respiratory organ and outer pin in turn; The outer matched in clearance of the inner tubal wall of described syringe and described bottleneck.
2. the western fourth bottle of injection device according to claim 1 and back pressure type molectron, is characterized in that, in described injection device, described respiratory organ comprises connection tube and is arranged on the middle filter screen of connection tube; Described connection tube is threaded with the outlet of described syringe; Described connection tube is connected with the afterbody plug of described outer pin.
3. the western fourth bottle of injection device according to claim 1 and back pressure type molectron, 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.
4. the western fourth bottle of injection device according to claim 1 and back pressure type molectron, is characterized in that, in described injection device, described syringe is tubulose frame.
5. the western fourth bottle of injection device according to claim 1 and back pressure type molectron, 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.
6. an 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 connected with independently respiratory organ and outer pin in turn; The outer matched in clearance of the inner tubal wall of described syringe and described bottleneck.
7. injection device according to claim 6, is characterized in that, described respiratory organ comprises connection tube and is arranged on the middle filter screen of connection tube.
8. injection device according to claim 7, is characterized in that, described connection tube is threaded with the outlet of described syringe; Described connection tube is connected with the afterbody plug of described outer pin.
9. injection device according to claim 6, is characterized in that, 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.
10. injection device according to claim 6, is characterized in that, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320482223.7U CN203436630U (en) | 2013-08-08 | 2013-08-08 | Injection device and counter pressure type cefoxitin bottle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320482223.7U CN203436630U (en) | 2013-08-08 | 2013-08-08 | Injection device and counter pressure type cefoxitin bottle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203436630U true CN203436630U (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320482223.7U Expired - Lifetime CN203436630U (en) | 2013-08-08 | 2013-08-08 | Injection device and counter pressure type cefoxitin bottle assembly |
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| CN (1) | CN203436630U (en) |
Cited By (2)
| 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 |
| CN107870132A (en) * | 2017-12-14 | 2018-04-03 | 上海市特种设备监督检验技术研究院 | A kind of high-pressure hydrogen storage cylinder extreme ambient temperature testing machine of resistance to long-time load |
-
2013
- 2013-08-08 CN CN201320482223.7U patent/CN203436630U/en not_active Expired - Lifetime
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 |
| US10188584B2 (en) | 2013-01-31 | 2019-01-29 | Yiling DING | Medicinal xiding vial and dispensing apparatus and injection apparatus thereof |
| CN107870132A (en) * | 2017-12-14 | 2018-04-03 | 上海市特种设备监督检验技术研究院 | A kind of high-pressure hydrogen storage cylinder extreme ambient temperature testing machine of resistance to long-time load |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |