CN85106539A - The injector for medical purpose of new structure - Google Patents
The injector for medical purpose of new structure Download PDFInfo
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- CN85106539A CN85106539A CN 85106539 CN85106539A CN85106539A CN 85106539 A CN85106539 A CN 85106539A CN 85106539 CN85106539 CN 85106539 CN 85106539 A CN85106539 A CN 85106539A CN 85106539 A CN85106539 A CN 85106539A
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- syringe
- ejector sleeve
- opening
- chamber
- outer tube
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Abstract
Can under aseptic condition, the two or more components of seasoning respectively be mixed with immediately a kind of syringe of medical injection.The one annular afflux spare that is communicated with its tube chamber is arranged on its outer tube part.The boring ejector sleeve of this syringe is then by one or more dividing plate that longitudinally disposes.Being divided into two or more grid chamber constitutes.One outside opening is arranged at the bottom of each chamber, and between the pipe, a Gask-O-Seal is arranged then outside on this ejector sleeve and this opening.A kind of modified version of this syringe then can also be by different concentration, and the proportioning that waits does not realize the purpose of special injection.Can be molded from plastic into type.
Description
Syringe involved in the present invention is applicable to the situation that need mix or prepare injection medicament, and the medicament of using generally is liquid condition in use.
Most pharmaceutical agents (particularly antibiotics can only be preserved with dried forms, and generally is freeze dried).During use, must open the bottle of this dried forms medicament of sealing, and then open the second kind of bottle or the ampoule bottle of dress solvent, mix and make both the molten solution of making, at last with in this solution inhalation syringe.Above-mentioned this mode of operation is emitted and is had seriously, and a large amount of danger of polluting, this type of danger then are that the material related with a large amount of this kind repetitive operations (comprise syringe itself with syringe needle etc.) has direct relation.
The present invention can get rid of all above-mentioned danger and operational inconvenience by a kind of syringe of novel structure, wherein packs in advance for the various components that mix usefulness.The present invention also discusses under finishing aseptic condition and to mix these components and to insert certain methods in the syringe tube immediately.
In fact this type of syringe comprises following two parts:
With the outer tube body of plastic material compression molding, there is one to invest the annular afflux spare on its outer wall near its top with being communicated with in the pipe, in addition, also dispose a needle holder on this pipe;
At least be divided into two hollow ejector sleeves that the chamber constituted by a longitudinal baffle.An outwards open mouth is arranged at the bottom of each chamber, and this ejector sleeve is provided with an annular flange, is used for guaranteeing that the outer tube body on this ejector sleeve and its opening makes air-tight fit.
The bottom of above-mentioned each chamber preferably tilts towards corresponding opening, outwards flows out to guarantee the solution of wherein containing storage.
Stipulate that each chamber only contains the suitable a kind of component of dosage, these components mix Shi Caineng and come into force, and like this, lift the annular afflux spare place that faces toward for above-mentioned opening when ejector sleeve.Above-mentioned these components promptly flow to the injection room of outer tube by this opening and current collector.At this point, various components mix and (or) dissolving, be made into injection and be in the forward position of ejector sleeve, can be used for injection at any time.
As soon as injection finishes, this kind syringe can be given up.When these after the grid chamber that disposes the injection component under the aseptic condition is real with tight lid envelope.Just put things right once and for all and no longer need any more operation, unique needs are done just spurs ejector sleeve " arms " syringe, facilitates above-mentioned immixture and makes the injection that mixes enter the forward position of ejector sleeve.
Be under aseptic prerequisite, the various components that are stored in respectively discretely in these chambers can be contacted simultaneously by above structure and the obtainable main advantage of operational approach.
But said structure still has some limitation in application.
In fact, these chambers can be communicated with at synchronization, realize different concentration or the dosage that does not wait so can not partly utilize in these components one or more, for example, having under the situation of plural above-mentioned compartment, need the case of injection for curing for certain, just can't be according to selecting with a kind of in these several components, or inject several different medicaments continuously successively.
In order to eliminate above-mentioned restriction, the syringe of another kind of form has been proposed also among the present invention.
In according to previously defined a kind of syringe, the annular afflux spare of its outside is not the outer tube that leads to syringe, but open each chamber to ejector sleeve with corresponding dihedral opening, be provided with sealing gasket around each mouthful, make ejector sleeve rotate a suitable angle, just can one by one make each mouthful subtend afflux spare, thereby can compile required component one by one, be applicable to various case-specific according to desired ratio and order.
Describe the present invention in detail below with reference to accompanying drawing, in the accompanying drawing:
Fig. 1 is the syringe profile vertically of first kind of form of proposition according to the present invention.
Fig. 2 is along the cross-sectional view of II-II line subdivision among Fig. 1;
Fig. 3～5th, the syringe of the second kind of form that proposes according to the present invention is in this syringe.Ejector sleeve is divided into four equal chambers.
In the back among these three figure:
Fig. 3 is the side view of ejector sleeve.
Fig. 4 is the axial section of whole syringe, and the opening that ejector sleeve wherein is inserted into certain chamber is just in time facing to the place of current collector.
Fig. 5 is along cross-sectional view that II-the II line is cut open among Fig. 4.
At first with reference to figure 1 and Fig. 2, the outer tube of several numbers 1 expression syringes wherein.The ejector sleeve of several numbers 2 expression syringes.
The outer tube 1 of syringe is got common form, is the cylindrical tube of one section opened upper end, and along pipe shaft down, foot has a needle holder 3.Its feature is, outwardly a flange is arranged at the top of this outer tube.By constitute an annular afflux spare 4 of opening wide inwards.5 peripheries that preferably are embossed in above-mentioned flange of the sort of operation ring on the common syringe.
The using method of this syringe is as follows: ejector sleeve 2 is pushed in the syringe outer tube 1 fully.Respectively various injection components are injected in each chamber of chamber 6-6 ', the chamber are sealed with covering 11-11 '.Another 12 on operation ring of syringe is fixed on these lids.At this moment the syringe that assembles medicament directly can be delivered for use; Maybe can be put into by in the common injection medicine box placed apart of different components in forming, be convenient to rapid mixing and be mixed with injection solution, and then inject traditional syringe and use.
During use, operator need only extract ejector sleeve 2 backward out, make sealing gasket 10 be in afflux spare 4 above, and opening 8-8 ' is facing to header.The medicament of the middle storage of chamber 6-6 ' flows out by opening 8-8 ' and the afflux spare 4 that is arranged in ejector sleeve 2 basal surfaces 13 purgation outer tubes 1 space, here mixes and dissolve, at this moment is drawn out owing to ejector sleeve.No longer there is the preparation of component.And can be used to inject purpose immediately.
Be convenient to flow out for the medicament that makes the middle seasoning of chamber 6-6 ', the slope form is got towards corresponding opening 14-14 ' in the bottom of these chambers.Simultaneously, the direction in the hole in the needle holder 3,15 of the bottoms of syringe outer tube 1 tilts.The bottom surface 13 of aforementioned ejector sleeve also tilts in the corresponding way.
Referring now to Fig. 3～5,, be marked with syringe outer tube 1 and ejector sleeve 2 among the figure, be extended down to needle holder 3 under the outer tube, other has a support ring 5.
Different with the syringe of aforementioned the sort of form, replacing annular afflux spare wherein, constitute an evagination part and be provided with one on outer tube top by transmission channel 16, according to the unique part that the turning is arranged on its periphery.As shown in Figure 3.To the outer tube inner opening, the height of opening is H(Fig. 4).
The inside of ejector sleeve 2 is that vertical longitudinal baffle 7-7 ' is divided into four identical chamber 6a, 6b, 6c and 6d, and the width of these openings is slightly less than height H.There is a sealing gasket 17 that can allow the pressurized delivered injection inside of ejector sleeve 2, adjacent with it sealing gasket 18 is used for guaranteeing the pinnacled sealing of ejector sleeve, the vertical sealing gasket 19 that is provided with in edge then is used for guaranteeing the sealing of opening 8, like this, has just formed some lattices between them.Obviously, as the syringe of first kind of form, these lattices also adopt seal cover 11 sealings at an upper portion thereof.
Sealing gasket 17,18 and 19 can make ejector sleeve move vertically or in rotational direction rotate.This kind syringe then can use in the following manner:
Light places low level with ejector sleeve, that is to say, opening 8 is sealed by syringe outer tube 1, and lattice becomes chamber 6(number any, but is actually 2,3 or 4) fill respectively and fill corresponding component.Be that a kind of solvent and one or more are got the medicament of lyophilized form, the medicament of this class lyophilized form is the proportional quantities by the solution requirement, be dissolved in all or part of solvent, then with these grid sealings, preferably adopt the thin film of can heat weldable metal-resin composite material making 20 to seal, a roundlet sheet shaped piece is pushed hard be embedded on the dividing plate 7 again by in the formed groove in ejector sleeve 2 tops.
The solution that can be used for injecting purpose that is made of different components or a kind of component in order to produce that concentration do not wait need only rotate the oral area that ejector sleeve 2 makes opening 8 subtend transmission channels 16, and like this, injection will flow in the syringe outer tube 1 under the ejector sleeve.
The syringe of this form has many good qualities, and it can solve more following problems:
1) whole parenteral solution can all have been injected and deposit in the syringe outer tube; In order to reuse syringe, can in ejector sleeve, store medicament repeatedly, because, this syringe device need only be reversed up and down, parenteral solution can turn back in the storeroom of ejector sleeve again.
2) can only utilize the part of the reagent of containing in the container; Need only allow solvent also place relevant container and flow out desirable quantity.
3) can only utilize the part of the reagent of containing in two or three containers; Need only in relevant container, allow the solvent that can dissolve lyophilized medication flow out, only allow to flow out simultaneously desirable dosage.
4) in the injection of solution process, can inject another kind and need not the medicament that mixes in advance, and need not re-use other syringe for same patient: this need only reverse syringe from bottom to top. Parenteral solution is stored in the ejector sleeve again, can be pumped into desirable medicament and injection mentioned solution by usual way.
When 5) being full of solution and don't hope use all dosage in grid chamber, place: need only make the opening of corresponding chamber or chamber group and outer tube relative with the method for aforesaid rotation ejector sleeve, can from syringe, flow out the solution of desired proportioning.
6) last, if this kind syringe can be made according to the method described above with reusable material, then it also can be reused according to traditional approach.
Claims (8)
1, can under aseptic condition, the component more than two kinds of seasoning respectively be mixed with immediately a kind of syringe of injection medicament; Have on the syringe outer tube portion (1) an annular afflux spare in outside (4) therewith the inner chamber of pipe lead to.The boring ejector sleeve (2) of this syringe then is made of two chambers (6-6 ') that at least one longitudinal baffle (7) is separated into, and a mouth (8-8 ') to external-open is arranged at the bottom of each chamber, between the pipe, a Gask-O-Seal is arranged outside on above-mentioned ejector sleeve and the opening.
2, according to claim 1 and a kind of syringe of body plan, the bottom surface (14-14 ') of each chamber wherein tilts towards corresponding opening.
3, according to claim 1 and a kind of syringe of body plan, wherein, the end of syringe outer tube (15) hole on needle holder (3) tilts, and the face in ejector sleeve forward position (13) also presents corresponding inclination.
4, a kind of syringe of body plan according to above any one claim, outer tube wherein and interior ejector sleeve all are to use the plastic mould pressing molding.
5, according to claim 1 and a kind of syringe of body plan, outside annular afflux spare wherein is only the corner part that has of opening subtend syringe outer tube periphery.The opening of each chamber has a corresponding dihedral aperture in the ejector sleeve, all be provided with sealing gasket arround each mouthful, when ejector sleeve rotated a corresponding angle facing to above-mentioned dihedral aperture, will make each window individually, according to ratio that requires and order, seriatim, collecting every kind of injection medicament continuously.
6,, wherein, in the bottom of ejector sleeve and a sealing gasket is arranged on above-mentioned opening, be used for by the pressurized delivered injection according to a kind of syringe of the body plan of claim 5; And the sealing gasket on the opening can guarantee the sealing of ejector sleeve at high level; Sealing gasket round periphery then is used for guaranteeing the sealing that each opening is mutual.
7, a kind of syringe of body plan according to claim 6, sealing gasket wherein are integrally formed by bulk materials and parts.
8, a kind of syringe of body plan according to claim 5～7, wherein, the sealing of ejector sleeve vital QI flowing in the body against the natural law seed cell is with the membrane sealed of can heat weldable metal-resin composite material making, this coverlay film inserts on the ejector sleeve end above the lid of depths very.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85106539 CN85106539A (en) | 1985-08-09 | 1985-08-09 | The injector for medical purpose of new structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85106539 CN85106539A (en) | 1985-08-09 | 1985-08-09 | The injector for medical purpose of new structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN85106539A true CN85106539A (en) | 1987-02-25 |
Family
ID=4795130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85106539 Pending CN85106539A (en) | 1985-08-09 | 1985-08-09 | The injector for medical purpose of new structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85106539A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114517A (en) * | 2013-02-07 | 2013-05-22 | 东南大学 | Handheld dual-component encapsulation material injector |
-
1985
- 1985-08-09 CN CN 85106539 patent/CN85106539A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114517A (en) * | 2013-02-07 | 2013-05-22 | 东南大学 | Handheld dual-component encapsulation material injector |
| CN103114517B (en) * | 2013-02-07 | 2015-04-15 | 东南大学 | Handheld dual-component encapsulation material injector |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |