CN203469147U - Combined piece of back pressure type one-zero bottle and injection device - Google Patents

Combined piece of back pressure type one-zero bottle and injection device Download PDF

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Publication number
CN203469147U
CN203469147U CN201320557647.5U CN201320557647U CN203469147U CN 203469147 U CN203469147 U CN 203469147U CN 201320557647 U CN201320557647 U CN 201320557647U CN 203469147 U CN203469147 U CN 203469147U
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CN
China
Prior art keywords
syringe
back pressure
bottle
bottleneck
injection device
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Expired - Lifetime
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CN201320557647.5U
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Chinese (zh)
Inventor
丁西
文安
丁一中
赵骞
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Individual
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Individual
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
    • A61M5/2422—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic using emptying means to expel or eject media, e.g. pistons, deformation of the ampoule, or telescoping of the ampoule
    • A61M5/2429—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic using emptying means to expel or eject media, e.g. pistons, deformation of the ampoule, or telescoping of the ampoule by telescoping of ampoules or carpules with the syringe body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
    • A61M5/2455—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic with sealing means to be broken or opened
    • A61M5/2466—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic with sealing means to be broken or opened by piercing without internal pressure increase

Abstract

The utility model relates to the field of medical instruments, and discloses a combined piece of a back pressure type one-zero bottle and an injection device. The back pressure type one-zero bottle comprises a bottle body with the inner wall being a straight barrel, a piston is arranged in the bottle body and close to a bottle opening, an external concave is arranged at the center of the outer end face, close to the bottle opening, of the piston, and a sealing cover is arranged on the bottle opening. The injection device is used for the back pressure type one-zero bottle described in the claim one, and is characterized in that an injection tube is included, an inner needle located in the injection tube is arranged at the bottom of the injection tube, a pushing block embedded to the external concave is fixed on the inner needle, the tail portion of the inner needle is communicated with an outlet of the injection tube, and outer needle is arranged at the outlet of the injection tube, and the inner wall of the injection tube is in clearance fit with the outer wall of the bottle opening. The combined piece of the back pressure type one-zero bottle and the injection device can guarantee medicine sealing reliability, and can solve the secondary pollution problem in injection.

Description

10 bottles of a kind of back pressure types and injection device molectron
Technical field
This utility model relates to medical instruments field, particularly 10 bottles of a kind of back pressure types and injection device 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 the bottleneck of clamped bottle is provided with plug, a bottle tail is provided with piston, and piston is rash to fall, and causing cannot high temperature sterilize, belongs to nonterminal sterilising prods.
Precharging type syringe, similar with clamped bottle, be also nonterminal sterilising prods, its afterbody piston seal, can slide again during use, causes the reliable process of its sealing to require height, and 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 10 bottles of a kind of back pressure types and injection device molectron, can guarantee the sealing reliability of medicine, the secondary pollution problem in the time of can solving again injection.
In order to achieve the above object, this utility model is achieved by the following technical solutions.
(1) a kind of back pressure type is 10 bottles, it is characterized in that, comprises that inwall is the bottle of straight tube, in described bottle, near bottleneck, is provided with piston, and piston offers external concavity near the center, outer face of bottleneck; Described bottleneck is provided with capping.
The feature of technique scheme and further improvement are:
Described external concavity is taper or column.
Described piston offers inner recess away from the inner face center of bottleneck; Described inner recess is taper or column.
Described capping is rubber capping or plastic closure.
Described piston adopts medical grade rubber material to make.
(2) injection device, for 10 bottles of above-mentioned back pressure types, is characterized in that, comprise syringe, the bottom of syringe is provided with the pin that is positioned at syringe, is fixed with the pushing block with described external concavity tabling on interior pin; The afterbody of described interior pin is communicated with the outlet of described syringe, and the outlet of described syringe is provided with outer pin; The outer wall matched in clearance of the inner tubal wall of described syringe and described bottleneck.
The feature of technique scheme and further improvement are:
Described outer pin is connected for being threaded or plugging with the outlet of described syringe.
Described outer pin and described interior pin are the double needle being connected as a single entity.
In described syringe, be provided with the guide plate of matched in clearance, described interior pin slides and runs through described guide plate, and guide plate is against the outer of described bottleneck.
Described syringe is tubulose frame.
(3) 10 bottles of back pressure types and an injection device molectron, is characterized in that, comprises 10 bottles of back pressure types and injection device;
10 bottles of described back pressure types comprise the bottle that inwall is straight tube, in described bottle, near bottleneck, are provided with piston, and piston offers external concavity near the center, outer face of bottleneck; Described bottleneck is provided with capping;
Described injection device, comprises syringe, and the bottom of syringe is provided with the pin that is positioned at syringe, is fixed with the pushing block with described external concavity tabling on interior pin; The afterbody of described interior pin is communicated with the outlet of described syringe, and the outlet of described syringe is provided with outer pin; The outer wall matched in clearance of the inner tubal wall of described syringe and described bottleneck.
The feature of technique scheme and further improvement are:
In 10 bottles of bottles of described back pressure type, described external concavity is taper or column.
In 10 bottles of bottles of described back pressure type, described piston offers inner recess away from the inner face center of bottleneck; Described inner recess is taper or column.
In 10 bottles of described back pressure types, described capping is rubber capping or plastic closure.
In 10 bottles of described back pressure types, described piston adopts medical grade rubber material to make.
In described injection device, described outer pin is connected for being threaded or plugging with the outlet of described syringe.
In described injection device, described outer pin and described interior pin are the double needle being connected as a single entity.
In described injection device, be provided with the guide plate of matched in clearance in described syringe, described interior pin slides and runs through described guide plate, and guide plate is against the outer of described bottleneck.
In described injection device, described syringe is tubulose frame.
10 bottles of back pressure types of the present utility model and injection device molectron, comprise 10 bottles of back pressure types and injection device.Wherein, the bottle that the inwall that back pressure type is 10 bottles is straight tube, is provided with piston near bottleneck in bottle, and bottleneck is provided with capping.Piston has carried out once encapsulation to medicament, and capping has been carried out encapsulation again to medicament, and secondary encapsulation is traditional handicraft, and preparation is simple, can terminal sterilization and there will not be piston obscission.
Its injection device, comprises syringe, and the bottom of syringe is provided with the pin that is positioned at syringe, is fixed with the pushing block with described external concavity tabling on interior pin; The afterbody of described interior pin is communicated with the outlet of described syringe, and the outlet of described syringe is provided with outer pin; The outer wall matched in clearance of the inner tubal wall of described syringe and described bottleneck.
During use, the capping that first breakdown back pressure type is 10 bottles, the outer wall of bottleneck slides along the inner tubal wall of syringe, interior needle-penetration piston, along with the propelling of bottle, 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 10 bottles of traditional back pressure types, and its bottle inwall, for circle straight tube, supports the use with piston, and one direction is opened mouth, open-minded to distinguish clamped bottle twocouese.Said structure feature of the present utility model makes the fill of medicine bottle and injection that change improvement occur, and utilizes back pressure type principle medicinal liquid directly can be injected to human body, need not, by means of common needle tubing, reduce secondary pollution.
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 10 bottles of back pressure types of the present utility model;
Fig. 2 is the structural representation of injection device of the present utility model;
Fig. 3 is the structural representation of outer pin of the present utility model;
Fig. 4 is the use original state figure of 10 bottles of back pressure types of the present utility model and injection device molectron;
Fig. 5 is the use final state figure of 10 bottles of back pressure types of the present utility model and injection device molectron;
In figure: 1, bottle; 2, piston; 3, capping; 4, external concavity; 5, inner recess; 6, syringe; 7, interior pin; 8, guide plate; 9, pushing block; 10, outer pin; 11, sheath.
The specific embodiment
With reference to Fig. 1, be medical bottle of the present utility model, claim again 10 bottles of back pressure types, mainly comprise that inwall is bottle 1, the piston 2 of straight tube and the capping 3 that is arranged on bottleneck.Bottle 1 is interior arranges piston 2 near bottleneck, and piston 2 coordinates with bottle 1 inwall slipper seal.Piston 2 offers external concavity 4 near the center, outer face of bottleneck, the location when promoting piston; External concavity 4 is column, can be also taper.Piston 2 offers inner recess 5 away from the inner face center of bottleneck, the collection of medicinal liquid when injecting; Inner recess 5 is taper, can be also column.Capping 3 is rubber capping, can be also plastic closure.Piston 2 adopts medical grade rubber material to make, puncture when easy to use; Meanwhile, the external concavity 4 on piston 2 and inner recess 5, also have the function of time puncture easy to use.
With reference to Fig. 2, the structure of injection device of the present utility model is described.Wherein, injection device mainly comprises syringe 6, interior pin 7, outer pin 10 and pushing block 9.Syringe 6 is tubulose frame, the outer wall matched in clearance of the inner tubal wall of syringe 6 and bottleneck, and the bottom of syringe 6 arranges the pin 7 that is positioned at syringe 6, is fixed with the pushing block 9 with external concavity 4 tablings on interior pin 7.In syringe 6, be provided with the guide plate 8 of matched in clearance, interior pin 7 slides and runs through guide plate 8, and guide plate 8 is resisted against the outer of bottleneck.The afterbody of interior pin 7 is communicated with the outlet of syringe 6, and the outlet of syringe 5 is provided with outer pin 10, as shown in Figure 3.On outer pin 10, be provided with sheath 11, sheath 11 can be rubber sheath, can be also plastic sheath; Outer pin 10 is connected for being threaded or plugging with the outlet of syringe 6; Outer pin 10 can be also the double needle being connected as a single entity with interior pin 7.
It should be noted that, the entrance of interior pin 7 can be also lateral openings, can prevent from cutting out piston chip when puncture piston.
10 bottles of back pressure types of the present utility model and injection device molectron, its back pressure type 10 bottle structures are simple, and production cost is low, can substitute clamped bottle, be applicable to the fill of vaccine or nonterminal sterilizing class medicinal liquid, coordinate with injection device of the present utility model, also alternative precharging type syringe.
With reference to Fig. 4, Fig. 5, the using method of 10 bottles of back pressure types of the present utility model and injection device molectron is described.During use, outer pin (omitting in figure) is first installed, then remove the capping of 10 bottles of back pressure types, by the bottleneck centering syringe of 10 bottles of back pressure types, in for middle piston center, pierce through, fixing pushing block and the external concavity tabling of piston on interior pin, push piston is descending, and medicinal liquid is by injecting human body by interior pin, outer pin successively.In whole process, medicinal liquid does not contact with space outerpace, has avoided secondary pollution.
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. a back pressure type is 10 bottles, it is characterized in that, comprises that inwall is the bottle of straight tube, in described bottle, near bottleneck, is provided with piston, and piston offers external concavity near the center, outer face of bottleneck; Described bottleneck is provided with capping.
2. back pressure type according to claim 1 is 10 bottles, it is characterized in that, described external concavity is taper or column.
3. back pressure type according to claim 1 is 10 bottles, it is characterized in that, described piston offers inner recess away from the inner face center of bottleneck; Described inner recess is taper or column.
4. back pressure type according to claim 1 is 10 bottles, it is characterized in that, described capping is rubber capping or plastic closure.
5. an injection device, for 10 bottles of back pressure types claimed in claim 1, is characterized in that, comprise syringe, the bottom of syringe is provided with the pin that is positioned at syringe, is fixed with the pushing block with described external concavity tabling on interior pin; The afterbody of described interior pin is communicated with the outlet of described syringe, and the outlet of described syringe is provided with outer pin; The outer wall matched in clearance of the inner tubal wall of described syringe and described bottleneck.
6. injection device according to claim 5, is characterized in that, described outer pin is connected for being threaded or plugging with the outlet of described syringe.
7. injection device according to claim 5, is characterized in that, described outer pin and described interior pin are the double needle being connected as a single entity.
8. injection device according to claim 5, is characterized in that, is provided with the guide plate of matched in clearance in described syringe, and described interior pin slides and runs through described guide plate, and guide plate is against the outer of described bottleneck.
9. injection device according to claim 5, is characterized in that, described syringe is tubulose frame.
10. 10 bottles of back pressure types and an injection device molectron, is characterized in that, comprises 10 bottles of back pressure types and injection device;
10 bottles of described back pressure types comprise the bottle that inwall is straight tube, in described bottle, near bottleneck, are provided with piston, and piston offers external concavity near the center, outer face of bottleneck; Described bottleneck is provided with capping;
Described injection device, comprises syringe, and the bottom of syringe is provided with the pin that is positioned at syringe, is fixed with the pushing block with described external concavity tabling on interior pin; The afterbody of described interior pin is communicated with the outlet of described syringe, and the outlet of described syringe is provided with outer pin; The outer wall matched in clearance of the inner tubal wall of described syringe and described bottleneck.
CN201320557647.5U 2013-09-09 2013-09-09 Combined piece of back pressure type one-zero bottle and injection device Expired - Lifetime CN203469147U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320557647.5U CN203469147U (en) 2013-09-09 2013-09-09 Combined piece of back pressure type one-zero bottle and injection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320557647.5U CN203469147U (en) 2013-09-09 2013-09-09 Combined piece of back pressure type one-zero bottle and injection device

Publications (1)

Publication Number Publication Date
CN203469147U true CN203469147U (en) 2014-03-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320557647.5U Expired - Lifetime CN203469147U (en) 2013-09-09 2013-09-09 Combined piece of back pressure type one-zero bottle and injection device

Country Status (1)

Country Link
CN (1) CN203469147U (en)

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