CN203634489U - Back pressure type double-cavity cefoxitin bottle and injection device combination piece thereof - Google Patents
Back pressure type double-cavity cefoxitin bottle and injection device combination piece thereof Download PDFInfo
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- CN203634489U CN203634489U CN201320530186.2U CN201320530186U CN203634489U CN 203634489 U CN203634489 U CN 203634489U CN 201320530186 U CN201320530186 U CN 201320530186U CN 203634489 U CN203634489 U CN 203634489U
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Abstract
The utility model relates to the field of medical instrument and discloses a back pressure type double-cavity cefoxitin bottle and an injection device combination piece thereof. The back pressure type double-cavity cefoxitin bottle is a core piece and comprises a bottle body of which the inner wall is a straight barrel; a first piston close to a bottle neck and a second piston close to the middle part of the bottle body are arranged in the bottle body; the first piston covers a first push plate; a first guide needle hole is formed in the center of the first push plate; the second piston covers a second push plate; a second guide needle hole is formed in the center of the second push plate; the diameter of the first guide needle hole is larger than that of the second guide needle hole; the bottleneck is provided with a sealing rubber plug and a sealing cover. Filling of different medicaments can be realized in the same back pressure type double-cavity cefoxitin bottle; furthermore, medicament mixing in the back pressure type double-cavity cefoxitin bottle can be realized by a medicament mixing injection device, so that a medicament can be directly injected to the body of a patient through a medicament feeding injection device, and seamless connection of medicament preparation, storage, preparation and injection is realized.
Description
Technical field
This utility model relates to medical instruments field, particularly the western fourth bottle of a kind of back pressure type two-chamber and injection device molectron thereof.
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 maturation, sealing in fill adopts flame to heat the ampoule neck 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, because causing medicinal liquid chemical reaction, high temperature affects the risk of drug quality thereby exist 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.In the time 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, be difficult to sucking-off medicinal liquid owing to producing negative pressure in bottle, 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 when use, causes the reliable process of its sealing to require height, production cost is large, and production dosage form selection is limited to.
The name of inventor's application is called " the western fourth bottle of a kind of injection device and back pressure type molectron ", application number is the utility model of application number 201320482223.7, can ensure back pressure type western fourth bottle sealing reliability and terminal sterilization, secondary pollution problem when conveniently making up a prescription and solving injection.
Summary of the invention
The purpose of this utility model is to propose the western fourth bottle of a kind of back pressure type two-chamber and injection device molectron thereof, can ensure sealing reliability and the terminal sterilization of the western fourth bottle of back pressure type two-chamber, secondary pollution problem can more conveniently make up a prescription and solve injection time, produces medicine and human injection realizes seamless link.
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 two-chamber, is characterized in that, comprises that inwall is the bottle of straight tube, is provided with near the first piston of bottleneck with near the second piston in the middle part of bottle in described bottle; In described first piston, be coated with the first push pedal, the first push pedal center offers the first guide pinhole; In described the second piston, be coated with the second push pedal, the second push pedal center offers the second guide pinhole; Described the first guide pinhole diameter is greater than the second guide pinhole diameter; Described bottleneck is provided with rubber plug for sealing and capping.
(2) the one injection device that makes up a prescription, based on the western fourth bottle of above-mentioned back pressure type two-chamber, is characterized in that, comprise the syringe that makes up a prescription, the bottom of the syringe that makes up a prescription is provided with the pin that makes up a prescription that is positioned at the syringe that makes up a prescription, and the interior pin that makes up a prescription is outside equipped with the trocar that makes up a prescription; The described trocar diameter that makes up a prescription is greater than described the second guide pinhole diameter, and is less than described the first guide pinhole diameter; Described in the syringe needle of the described interior pin that makes up a prescription stretches out, make up a prescription outside trocar, described in make up a prescription interior pin sidewall and described in the make up a prescription sidewall of trocar be respectively arranged with the liquid outlet being interconnected; The outer matched in clearance of the inner tubal wall of the described syringe that makes up a prescription and described bottleneck.
(3) an administration injection device, based on the western fourth bottle of above-mentioned back pressure type two-chamber, is characterized in that, comprise administration injection pipe, the bottom of administration injection pipe is provided with the administration pin that is positioned at administration injection pipe, and in administration, pin is outside equipped with administration trocar; Described administration trocar diameter is greater than described the first guide pinhole; In described administration, the syringe needle of pin stretches out outside described administration trocar, and in administration, the afterbody of pin is communicated with the outlet of described administration injection pipe, and the outlet of described administration injection pipe is provided with the outer pin of administration; The outer matched in clearance of the inner tubal wall of described administration injection pipe and described bottleneck.
(4) the western fourth bottle of back pressure type two-chamber and an injection device molectron thereof, is characterized in that, comprises the western fourth bottle of back pressure type two-chamber, injection device and administration injection device make up a prescription;
The western fourth bottle of described back pressure type two-chamber comprises that inwall is the bottle of straight tube, is provided with near the first piston of bottleneck with near the second piston in the middle part of bottle in described bottle; In described first piston, be coated with the first push pedal, the first push pedal center offers the first guide pinhole; In described the second piston, be coated with the second push pedal, the second push pedal center offers the second guide pinhole; Described the first guide pinhole diameter is greater than the second guide pinhole diameter; Described bottleneck is provided with rubber plug for sealing and capping;
The described injection device that makes up a prescription, comprises the syringe that makes up a prescription, and the bottom of the syringe that makes up a prescription is provided with the pin that makes up a prescription that is positioned at the syringe that makes up a prescription, and the interior pin that makes up a prescription is outside equipped with the trocar that makes up a prescription; The described trocar diameter that makes up a prescription is greater than described the second guide pinhole diameter, and is less than described the first guide pinhole diameter; Described in the syringe needle of the described interior pin that makes up a prescription stretches out, make up a prescription outside trocar, described in make up a prescription interior pin sidewall and described in the make up a prescription sidewall of trocar be respectively arranged with the liquid outlet being interconnected; The outer matched in clearance of the inner tubal wall of the described syringe that makes up a prescription and described bottleneck;
Described administration injection device, comprises administration injection pipe, and the bottom of administration injection pipe is provided with the administration pin that is positioned at administration injection pipe, and in administration, pin is outside equipped with administration trocar; Described administration trocar diameter is greater than described the first guide pinhole; In described administration, the syringe needle of pin stretches out outside described administration trocar, and in administration, the afterbody of pin is communicated with the outlet of described administration injection pipe, and the outlet of described administration injection pipe is provided with the outer pin of administration; The outer matched in clearance of the inner tubal wall of described administration injection pipe and described bottleneck.
The feature of technique scheme and further improvement are:
In the western fourth bottle of described back pressure type two-chamber, the inwall of described bottle is circle straight tube, and circle straight tube and described first piston and second are slidably matched.
The bottle of the western fourth bottle of described back pressure type two-chamber is divided into for splendid attire water preparation lower chamber and for splendid attire water preparation or powder upper cavity by described the second piston.
In the western fourth bottle of described back pressure type two-chamber, described first piston and/or the second piston adopt medical grade rubber material to make.
In the western fourth bottle of described back pressure type two-chamber, described first piston center is respectively arranged with large mouthful of outside horn mouth near described the first push pedal both sides.
In the western fourth bottle of described back pressure type two-chamber, described the second piston center is respectively arranged with large mouthful of outside horn mouth near described the second push pedal both sides.
In the western fourth bottle of described back pressure type two-chamber, described the first guide pinhole and the two the first guide pinholes are large mouthful of two outside horn mouths docking and form.
In the western fourth bottle of described back pressure type two-chamber, described capping is aluminum capping or plastic closure.
Described making up a prescription in injection device, described in the make up a prescription inlet opening of interior pin be arranged on needle point sidewall.
Described making up a prescription in injection device, described in make up a prescription and be provided with the guide pin bushing that makes up a prescription of matched in clearance in syringe, described in the trocar guide pin bushing that makes up a prescription described in running through that slides that makes up a prescription, the outer of bottleneck described in the guide pin bushing cuff that makes up a prescription.
Described making up a prescription in injection device, described in the syringe that makes up a prescription be tubulose frame.
In described administration injection device, in described administration, pin and administration trocar are matched in clearance, and administration trocar two ends are respectively arranged with ventilation breach or near two ends, passage are set respectively.
In described administration injection device, the outer pin of described administration is provided with sterility protection cover.
In described administration injection device, the outer pin of described administration is threaded with the outlet of described administration injection pipe.
In described administration injection device, in described administration, the outer pin of pin and administration is the double needle being connected as a single entity.
In described administration injection device, be provided with the administration guide pin bushing of matched in clearance in described administration injection pipe, described administration trocar slides and runs through described administration guide pin bushing, the outer of bottleneck described in administration guide pin bushing cuff.
In described administration injection device, described administration injection pipe is tubulose frame.
The western fourth bottle of back pressure type two-chamber of the present utility model, its first piston has carried out once encapsulation to medicament, and rubber stopper and aluminum capping have been carried out encapsulation again to medicament, and therefore its sealing is reliable, and secondary encapsulation is traditional handicraft, terminal sterilization, preparation is simple; Its bottle is divided into for splendid attire water preparation lower chamber and for splendid attire water preparation or powder upper cavity by the second piston, and making to make up a prescription does not contact with the external world, does not need setting to make up a prescription and uses sterilizing room.
Then, by this practical injection device that makes up a prescription, pierce through successively the first guide pinhole and the second guide pinhole corresponding to the second piston that first piston is corresponding, only promote the second piston and realize merging and the medicament configuration of upper and lower cavity.
Finally, by administration injection device of the present utility model, pierce through the first guide pinhole that first piston is corresponding and only promote first piston and realize patient's injecting liquid drug.
The technical solution of the utility model make medicament fill, make up a prescription and inject occurred change improve, realize the fill of different medicaments at a western fourth bottle of back pressure type two-chamber simultaneously, and utilize the injection device that makes up a prescription to realize the medicament preparation in the western fourth bottle of back pressure type two-chamber, and then utilize in administration injection device direct injection patient body, realize the seamless connection of pharmacy, saving, preparation, injection, reduce secondary pollution problem, do not need sterile dispensing environment, can adapt to the poor environment of hygienic conditions such as rural area, field, disaster area.
Brief description of the drawings
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 two-chamber of the present utility model;
Fig. 2 is the structural representation of the injection device that makes up a prescription of the present utility model;
Fig. 3 is the structural representation of administration injection device of the present utility model;
Fig. 4 is the structural representation of the outer pin of administration;
Fig. 5 is the structural representation of another kind of administration injection device of the present utility model;
In figure: 1, bottle; 201, first piston; 301, the first push pedal; 202, the second piston; 302, the second push pedal; 4, rubber stopper; 5, aluminum capping; 6, Gask-O-Seal; 7, the syringe that makes up a prescription; 8, the interior pin that makes up a prescription; 9, the trocar that makes up a prescription; 10, the guide pin bushing that makes up a prescription; 11, administration injection pipe; 12, administration trocar; 13, pin in administration; 14, administration guide pin bushing; 15, the outer pin of administration; 16, sterility protection cover.
detailed description of the invention
With reference to Fig. 1, be the western fourth bottle of back pressure type two-chamber of the present utility model, mainly comprise that inwall is the bottle 1 of straight tube and the bottleneck with outer.Wherein, bottleneck is provided with rubber plug for sealing 4 and aluminum capping 5, is provided with near bottleneck first piston 201 with near the second piston 202 in the middle part of bottle in bottle 1; First push pedal 301, the first push pedal 301 centers that are coated with in first piston 201 offer the first guide pinhole; Second push pedal 302, the second push pedal 302 centers that are coated with in the second piston 202 offer the second guide pinhole; Wherein, the first guide pinhole diameter is greater than the second guide pinhole diameter.
It should be noted that, the western fourth bottle of back pressure type two-chamber of the present utility model can be also the bottle of straight tube, and the covering of bottleneck is not limited to aluminum capping 5, can be also plastic closure.
With reference to Fig. 2, be the injection device that makes up a prescription of the present utility model, it comprises the syringe 7 that makes up a prescription, the syringe 7 that makes up a prescription is tubulose frame, the bottleneck outer matched in clearance of the inner tubal wall of the syringe 7 that makes up a prescription and the western fourth bottle of back pressure type two-chamber.The make up a prescription bottom of syringe 7 is provided with the pin 8 that makes up a prescription that is positioned at the syringe 7 that makes up a prescription, the interior pin 8 that makes up a prescription is outside equipped with the trocar 9 that makes up a prescription, the syringe needle of interior pin 8 of making up a prescription stretches out and makes up a prescription outside trocar 9, trocar 8 diameters that make up a prescription are greater than the second guide pinhole of the western fourth bottle of back pressure type two-chamber, and are less than the first guide pinhole of the western fourth bottle of back pressure type two-chamber; The make up a prescription sidewall of interior pin 8 and the sidewall of trocar 9 of making up a prescription is respectively arranged with the liquid outlet being interconnected, and the inlet opening setting of the interior pin 8 that makes up a prescription is arranged on needle point sidewall.Make up a prescription and be provided with the guide pin bushing 10 that makes up a prescription of matched in clearance in syringe 7, the trocar 9 that makes up a prescription slides and runs through the guide pin bushing 10 that makes up a prescription, the bottleneck outer of the western fourth bottle of guide pin bushing 10 cuff back pressure type two-chamber that makes up a prescription.
While making up a prescription, only need be by interior making up a prescription of the injection device that makes up a prescription pin 8 and the first rubber stopper 4 that penetrates successively the western fourth bottle of back pressure type two-chamber of trocar 9 that makes up a prescription, first piston 201 and corresponding the first guide pinhole, then the interior pin 8 that makes up a prescription penetrates the second piston 202 and corresponding the second guide pinhole more successively, and the trocar 9 that makes up a prescription is resisted against corresponding the second push pedal 302 of the second piston 202, oppress the second piston 202 descending, water preparation in the lower chamber of the western fourth bottle of back pressure type two-chamber is pressed into the inlet opening of the interior pin 8 that makes up a prescription, the liquid outlet being interconnected arranging respectively through the sidewall of the interior pin 8 that makes up a prescription and the sidewall of trocar 9 of making up a prescription and flow into the upper cavity of the western fourth bottle of back pressure type two-chamber, mix with powder or the water preparation of upper cavity, to reach the object of making up a prescription, finally, the second piston 202 is positioned at the western fourth bottle of back pressure type two-chamber, and the dual cavity of the western fourth bottle of back pressure type two-chamber has become single chamber.
With reference to Fig. 3, it is administration injection device of the present utility model.Wherein, administration injection device comprises administration injection pipe 11, and administration injection pipe 11 also can be tubulose frame.The present embodiment adopts administration injection pipe 11, and the bottom of administration injection pipe 11 is provided with the administration pin 13 that is positioned at administration injection pipe 11, and in administration, pin 13 is outside equipped with administration trocar 12; In administration, the effect of pin 13 and administration trocar 12 is difference pierces through rubber stopper.
When administration injection, advance bottle 1, in administration, pin 13 pierces through first piston 201 again, and through the first guide pinhole contact medicament, and administration trocar 12 promotes first piston 201 against the first push pedal outside, the medicament after configuration is discharged by pin in administration 13; Therefore, require administration trocar 12 diameters to be greater than the first guide pinhole diameter at first piston 201 places, interior pin 13 diameters of administration are less than the diameter of the first guide pinhole certainly; And require the syringe needle of pin 13 in administration to stretch out outside administration trocar 12, and can again sting first piston 2 by the first guide pinhole, contact medicament.
In administration, the afterbody of pin 13 is communicated with the outlet of administration injection pipe 11, and the outlet of administration injection pipe 11 is provided with the outer needle adapter of administration, and the outer pin of administration can be installed.Another kind of preferred version is that in administration, the outer pin of pin 13 and administration is the double needle being connected as a single entity.In the time that outside pin in administration 13 and administration, pin is 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 administration guide pin bushing 10 of matched in clearance in administration injection pipe 11, administration trocar 12 slides and runs through administration guide pin bushing 14, the outer of administration guide pin bushing 14 cuff bottlenecks.Administration injection pipe 11 and administration guide pin bushing 14 matched in clearance, bottle easily pushes in administration injection pipe 11 like this; In replacement scheme, the two can also be to be slidably matched, and needing improved is to offer steam vent in administration injection pipe 11 bottoms; Certainly, administration injection pipe 11 is tubulose frame, just without considering exhausting problem.
It should be noted that the interior pin 13 of administration and administration 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. 4, Fig. 5, the outer pin of another kind of administration of the present utility model and administration injection device are described, the difference of the administration injection device shown in itself and Fig. 3 is, the outer pin 15 of administration is with the outlet of administration injection pipe 11 for being threaded, and the reliability being threaded is due to traditional plug connection.The outer pin 15 of administration is outside equipped with sterility protection cover 16, and sterility protection cover 16 can be medical plastic cover or rubber sleeve.
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, instead of 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 two-chamber, is characterized in that, comprises that inwall is the bottle of straight tube, is provided with near the first piston of bottleneck with near the second piston in the middle part of bottle in described bottle; In described first piston, be coated with the first push pedal, the first push pedal center offers the first guide pinhole; In described the second piston, be coated with the second push pedal, the second push pedal center offers the second guide pinhole; Described the first guide pinhole diameter is greater than the second guide pinhole diameter; Described bottleneck is provided with rubber plug for sealing and capping.
2. the injection device that makes up a prescription, based on the western fourth bottle of back pressure type two-chamber claimed in claim 1, is characterized in that, comprise the syringe that makes up a prescription, the bottom of the syringe that makes up a prescription is provided with the pin that makes up a prescription that is positioned at the syringe that makes up a prescription, and the interior pin that makes up a prescription is outside equipped with the trocar that makes up a prescription; The described trocar diameter that makes up a prescription is greater than described the second guide pinhole diameter, and is less than described the first guide pinhole diameter; Described in the syringe needle of the described interior pin that makes up a prescription stretches out, make up a prescription outside trocar, described in make up a prescription interior pin sidewall and described in the make up a prescription sidewall of trocar be respectively arranged with the liquid outlet being interconnected; The outer matched in clearance of the inner tubal wall of the described syringe that makes up a prescription and described bottleneck.
3. the injection device that makes up a prescription according to claim 2, is characterized in that, described in the make up a prescription inlet opening of interior pin be arranged on needle point sidewall.
4. the injection device that makes up a prescription according to claim 2, is characterized in that, described in make up a prescription and be provided with the guide pin bushing that makes up a prescription of matched in clearance in syringe, described in the trocar guide pin bushing that makes up a prescription described in running through that slides that makes up a prescription, the outer of bottleneck described in the guide pin bushing cuff that makes up a prescription.
5. the injection device that makes up a prescription according to claim 2, is characterized in that, described in the syringe that makes up a prescription be tubulose frame.
6. an administration injection device, based on the western fourth bottle of back pressure type two-chamber claimed in claim 1, is characterized in that, comprise administration injection pipe, the bottom of administration injection pipe is provided with the administration pin that is positioned at administration injection pipe, and in administration, pin is outside equipped with administration trocar; Described administration trocar diameter is greater than described the first guide pinhole; In described administration, the syringe needle of pin stretches out outside described administration trocar, and in administration, the afterbody of pin is communicated with the outlet of described administration injection pipe, and the outlet of described administration injection pipe is provided with the outer pin of administration; The outer matched in clearance of the inner tubal wall of described administration injection pipe and described bottleneck.
7. administration injection device according to claim 6, is characterized in that, in described administration, pin and administration trocar are matched in clearance, and administration trocar two ends are respectively arranged with ventilation breach or near two ends, passage are set respectively.
8. administration injection device according to claim 6, is characterized in that, the outer pin of described administration is provided with sterility protection cover.
9. administration injection device according to claim 6, is characterized in that, the outer pin of described administration is threaded with the outlet of described administration injection pipe.
10. the western fourth bottle of back pressure type two-chamber and an injection device molectron thereof, is characterized in that, comprises the western fourth bottle of back pressure type two-chamber, injection device and administration injection device make up a prescription;
The western fourth bottle of described back pressure type two-chamber comprises that inwall is the bottle of straight tube, is provided with near the first piston of bottleneck with near the second piston in the middle part of bottle in described bottle; In described first piston, be coated with the first push pedal, the first push pedal center offers the first guide pinhole; In described the second piston, be coated with the second push pedal, the second push pedal center offers the second guide pinhole; Described the first guide pinhole diameter is greater than the second guide pinhole diameter; Described bottleneck is provided with rubber plug for sealing and capping;
The described injection device that makes up a prescription, comprises the syringe that makes up a prescription, and the bottom of the syringe that makes up a prescription is provided with the pin that makes up a prescription that is positioned at the syringe that makes up a prescription, and the interior pin that makes up a prescription is outside equipped with the trocar that makes up a prescription; The described trocar diameter that makes up a prescription is greater than described the second guide pinhole diameter, and is less than described the first guide pinhole diameter; Described in the syringe needle of the described interior pin that makes up a prescription stretches out, make up a prescription outside trocar, described in make up a prescription interior pin sidewall and described in the make up a prescription sidewall of trocar be respectively arranged with the liquid outlet being interconnected; The outer matched in clearance of the inner tubal wall of the described syringe that makes up a prescription and described bottleneck;
Described administration injection device, comprises administration injection pipe, and the bottom of administration injection pipe is provided with the administration pin that is positioned at administration injection pipe, and in administration, pin is outside equipped with administration trocar; Described administration trocar diameter is greater than described the first guide pinhole; In described administration, the syringe needle of pin stretches out outside described administration trocar, and in administration, the afterbody of pin is communicated with the outlet of described administration injection pipe, and the outlet of described administration injection pipe is provided with the outer pin of administration; The outer matched in clearance of the inner tubal wall of described administration injection pipe and described bottleneck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320530186.2U CN203634489U (en) | 2013-08-28 | 2013-08-28 | Back pressure type double-cavity cefoxitin bottle and injection device combination piece thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320530186.2U CN203634489U (en) | 2013-08-28 | 2013-08-28 | Back pressure type double-cavity cefoxitin bottle and injection device combination piece thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203634489U true CN203634489U (en) | 2014-06-11 |
Family
ID=50865777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320530186.2U Expired - Lifetime CN203634489U (en) | 2013-08-28 | 2013-08-28 | Back pressure type double-cavity cefoxitin bottle and injection device combination piece thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203634489U (en) |
-
2013
- 2013-08-28 CN CN201320530186.2U patent/CN203634489U/en not_active Expired - Lifetime
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |
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| CX01 | Expiry of patent term |