CN103961767A - Pre-filled disposable syringe - Google Patents
Pre-filled disposable syringe Download PDFInfo
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- CN103961767A CN103961767A CN201310037652.8A CN201310037652A CN103961767A CN 103961767 A CN103961767 A CN 103961767A CN 201310037652 A CN201310037652 A CN 201310037652A CN 103961767 A CN103961767 A CN 103961767A
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- Prior art keywords
- syringe needle
- cylinder
- syringe
- sustain
- installation portion
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Abstract
The invention relates to a pre-filled disposable syringe, which mainly comprises a protective holding container, a medicine filling tube, an isolation plug, a push rod set and a needle head set, wherein a needle head installation part and a holding end are respectively arranged at the two ends of the protective holding container; the medicine filling tube is made of transparent material with high stable passivity, and is arranged and fixed tothe protective holding container; the isolation plug is installed and arranged at one end of the medicine filling pipe; the push rod set can be inserted into the medicine filling pipe in a pulling manner; the needle head set is combined with the needle head installation part. According to the pre-filled disposable syringe, the medicine filling tube is filled with medicine in advance, and is protected and supported by the protective holding container, so that the medicine can be stably and safely stored for a long term, the use of clinic injected medicine is facilitated, and preparation of clinic injected medicine is simple, in addition, the problem that medical waste is overmuch during using the present injected medicine is solved, and further the manufacture cost of the traditional pre-filled glass syringe is lowered.
Description
Technical field
The present invention relates to a kind of medical device, relate in particular to the deserted syringe cylinder of a kind of pre-filling type.
Background technology
General conventional Disposable syringe, for fear of the blood infection between sufferer, need to just be lost immediately into collecting vessel or destruction according to regulation after being finished, and general Disposable syringe is with plastic ejection moulding manufacture, with low cost, disposable advantage.
Tradition disposable plastic syringe in use, first extract the medicament preparing in advance in medicine bottle and implement again injection, process Biohazard Waste complicated and that produce is many, clinical use is extremely inconvenient, and the medicine of noble biological preparation or genetic engineering preparation is as vaccine, chronic disease medicine is as insulin, reproductive therapy medicament etc., conventional expensive macromolecule material thermoplastic shaping or the glass high-temperature molding syringe that is difficult for oozing out pollutant, directly as pre-filling type syringe filling medicament, but this kind of syringe cylinder cost is high, manufacture method very complicated, very time consumption and energy consumption, not environmental protection of the utmost point and be limited as little volume medicament more and use.Do pre-filling type syringe if disposable plastic syringe directly is at lower cost brought, because medicament is deposited contact with plastic needle cylinder for a long time, easily disengage because of plastics and dissolving of plastotype additive thereof, cause medicament to be polluted or rotten.Therefore there is necessity of developing more suitably clinical treatment use pre-filling type syringe cylinder.
Summary of the invention
Be that plastic injection is made in order to solve conventional Disposable syringe, may stripping plastics in the time storing medicament for a long time and cause medicament to pollute, and the deserted syringe cylinder of conventional pre-filling type glass is expensive and the problem of not environmental protection of manufacture method, main purpose of the present invention is the deserted syringe cylinder of pre-filling type that a kind of lower cost is provided and more meets clinical practice, it can utilize structure and manufacture method more to simplify, its adopt transparent or anti-ultraviolet is translucent and the pipeline section had an X-rayed of stable material quality as glass, the pipe segment structures such as cyclic polyolefin (Cyclic olefin copolymer) are as filling out pencil, make medicament filling, be stored in the simple body of lower cost, can directly not contact and shield and sustain cylinder, therefore can not produce plastics or its additive stripping pollution problem, can ensure the drug safety of sufferer, and reduce the cost of pre-filling type syringe, reduce traditional glass pre-filling type syringe and clash into the danger of breaking.
The technological means that the present invention uses is the deserted syringe cylinder of a kind of pre-filling type, comprising:
One shields and sustain cylinder, it includes the outer tube wall and the inner tubal wall that extend vertically, and shield and sustain a two ends and form respectively a syringe needle installation portion and a holding end at this, and shield and sustain at this that cylinder is inner to be formed one and put tube space, be formed as one against shoulder at this radially tube wall of putting contiguous this syringe needle installation portion of tube space, be formed with a hole of inserting of opening and being communicated with this and putting tube space at the axial tube wall of this holding end;
One fills out pencil, it is for stablizing the made body of had an X-rayed material of passivity, and the corresponding tube space of putting that is immobilizated in this and shields and sustain cylinder, this is filled out pencil and has respectively a consent and a push rod group entrance at two ends, fills out inner formation of pencil and is communicated with respectively one of this consent and this push rod group entrance and puts medicine space at this;
One batching pig, it fixedly clogs the consent of filling out pencil in this with one end, and with other end correspondence be resisted against this shield and sustain cylinder against shoulder;
One push rod group, it includes a push rod and a thromboembolism, and this thromboembolism can be incorporated into the front end of this push rod, and this push rod group correspondence is arranged in this push rod group entrance of filling out pencil and can be airtightly fills out pencil and carry out the action of forward and backward pushing or pull along this;
One syringe needle group, described in its correspondence is arranged at, shield and sustain cylinder syringe needle installation portion.
Preferably, convex with one towards both sides level radially respectively in the periphery of this holding end and be laminal gripping edge, convex with a clamping edge at the inner wall surrounding of this holding end, at this inner tubal wall front end of shielding and sustain cylinder to forming an endless groove by syringe needle installation portion.
Preferably, the central authorities of syringe needle installation portion offer a syringe needle installing hole.
Preferably, convex with respectively multiple ribs that are long strip type at this inner tubal wall of shielding and sustain cylinder, each rib is and is uniformly-spaced axially set in this inner tubal wall.
Preferably, this to fill out pencil be isometrical pipeline section.
Preferably, this fills out pencil is isometrical pipeline section, and forms the consent of convergence shape in one end.
Preferably, this batching pig includes a cock body and a block edge, and this cock body can corresponding airtight plugging together be fixed on this consent, and this block edge is around the front end that is arranged at this cock body, this batching pig with this block edge be resisted against this shield and sustain cylinder against shoulder.
Preferably, this batching pig forms a projection in front end, and this batching pig can plug together in the endless groove of syringe needle installation portion with this projection correspondence.
Preferably, this batching pig is provided with a pod apertures in a tubular form.
Preferably, this block edge can radially extend to form this fill out pencil against packing ring.
Preferably, this syringe needle group is fixed syringe needle group and includes a syringe needle, and this syringe needle is arranged in this syringe needle installation portion and is fixed on this batching pig, makes this syringe needle be communicated to this and fills out pencil.
Preferably, this syringe needle group includes a syringe needle, and this endless groove of shielding and sustain the syringe needle installation portion of cylinder forms elongated tubular, and this batching pig forms projection that should endless groove at front end, and this batching pig plugs together in the endless groove of this syringe needle installation portion with this projection correspondence.
Preferably, this syringe needle installation portion includes a fixed part and a fixing gag, this fixing gag is fixed in this syringe needle combination, and is incorporated into this fixed part with this fixing gag correspondence, makes this syringe needle be arranged in this syringe needle installation portion and plug together in this batching pig and be communicated to this to fill out pencil.
Preferably, this shields and sustain a periphery at this syringe needle installation portion around being provided with an auxiliary retention portion, this syringe needle installation portion includes a fixed part and a fixing gag, this syringe needle is in conjunction with being fixed on this fixing gag, and be incorporated into this fixed part and be equipped in this auxiliary retention portion with this fixing gag correspondence, make this syringe needle be arranged in this syringe needle installation portion and plug together in this batching pig, make this syringe needle be communicated to this and fill out pencil.
Preferably, this syringe needle installation portion of shielding and sustain cylinder includes a fixed part and a fixing gag, this fixed part is provided with screw thread in periphery, this syringe needle is in conjunction with being fixed on this fixing gag, and be incorporated into this fixed part with the corresponding screw lock of this fixing gag, make this syringe needle be arranged in this syringe needle installing hole and plug together in this batching pig, make this syringe needle be communicated to this and fill out pencil.
Preferably, this is filled out pencil and makes with glass material.
Preferably, this is filled out pencil and makes with cyclic polyolefin material.
The technological means that the present invention uses is the deserted syringe cylinder of a kind of pre-filling type, comprising:
One shields and sustain cylinder, it includes the outer tube wall and the inner tubal wall that extend vertically, and shield and sustain a two ends and form respectively a syringe needle installation portion and a holding end at this, and shield and sustain at this that cylinder is inner to be formed one and put tube space, be formed as one against shoulder at this radially tube wall of putting contiguous this syringe needle installation portion of tube space, be formed with a hole of inserting of opening and being communicated with this and putting tube space at the axial tube wall of this holding end;
One airtight cover plug, it can be dismantled and sheathedly be incorporated into this syringe needle installation portion, and is convexly equipped with a flange in inner side;
One fills out pencil, and it is for stablize the made body of had an X-rayed material of passivity, and corresponding inserting be immobilizated in the tube space of putting that this shields and sustain tin, and this is filled out pencil and has respectively a consent and a push rod group entrance at two ends;
One batching pig, it is fixedly installed on this fills out the consent of pencil, and with other end correspondence be resisted against this shield and sustain cylinder against shoulder;
One push rod group, it includes a push rod and a thromboembolism, and this thromboembolism can be incorporated into the front end of this push rod, and this push rod group correspondence is arranged in this push rod group entrance of filling out pencil and can be airtightly fills out pencil and carry out the action of forward and backward pushing or pull along this.
The deserted syringe cylinder of aforesaid pre-filling type, wherein this is filled out pencil and makes with glass material.
The deserted syringe cylinder of aforesaid pre-filling type, wherein this is filled out pencil and makes with cyclic polyolefin material.
The deserted syringe cylinder of pre-filling type that utilization of the present invention provides, the beneficial effect that can obtain is:
1, the present invention is filling out the push rod group of batching pig and the other end of pencil one end shielding and sustain to be combined with in cylinder to fill out pencil and to plug together, medicament can be stored in filling out pencil, and can directly not contact and produce plastics stripping and cause medicament pollution with shielding and sustain cylinder, can ensure the drug safety of sufferer.
2, pencil and the material that be difficult for ooze out additive high with degree of stability of filling out of the present invention is as made bodys of material such as glass or cyclic polyolefins (Cyclic olefin copolymer), by structure is simple, manufacturing cost is lower and cubical content is changeable, noble but little volume medicament except being applicable to, also can be used at a low price but the large antibiotic medicament of cubical content is very high to medical clinical practice benefit and environmental benefit.
3, by combination of filling out pencil and batching pig and push rod group of the present invention, medicament can be stored in filling out pencil chronically, only need in use sleeve syringe needle group can use, without medicament is deposited in addition with medicine bottle, can get and use, prepare, take out the complicated process comparisons such as medicine with the medicament of traditional clinical injection injection use procedure, clinical convenience can be promoted, and a large amount of Biohazard Wastes can be reduced.
Brief description of the drawings
Fig. 1 is the exploded view of the present invention's the first preferred embodiment.
Fig. 2 is the profile status figure of the present invention's the first preferred embodiment.
Fig. 3 is the part sectioned view of the present invention's the first preferred embodiment.
Fig. 4 is that complete using state figure is injected in the present invention's the first preferred embodiment.
Fig. 5 is the exploded view of the present invention's the second preferred embodiment.
Fig. 6 is the profile status figure that the present invention's the second preferred embodiment prepares to implement injection.
Fig. 7 is the profile status figure during the execution of the present invention's the second preferred embodiment is injected.
Fig. 8 is that complete using state figure is injected in the present invention's the second preferred embodiment.
Fig. 9 is the exploded view of the present invention's the 3rd preferred embodiment.
Figure 10 is the usage operation flow chart of the present invention's the 3rd preferred embodiment.
Figure 11 is the exploded view of the present invention's the 4th preferred embodiment.
Figure 12 is the profile status figure that the present invention's the 4th preferred embodiment prepares to implement injection.
Figure 13 is the profile status figure of the present invention's the 5th preferred embodiment.
Figure 14 is the profile status figure of the present invention's the 6th preferred embodiment.
Figure 15 is the profile status figure of the present invention's the 7th preferred embodiment.
Figure 16 is the profile status figure of the present invention's the 8th preferred embodiment.
Primary clustering symbol description
10,10A, 10B, 10C, 10D, 10E, 10F, 10G shield and sustain cylinder
101 outer tube walls
102 inner tubal walls
103 ribs
104 against shoulder
11,11A, 11B, 11C, 11D, 11E, 11F, 11G syringe needle installation portion
11A ', 11B ', 11C ' fixed part
11A ", 11B ", 11C " fixing gag
110,110A, 110B, 110C, 110D syringe needle installing hole
12 holding ends
121 insert hole
122 grip edge
123 retaining ring sheets
124 clamping edges
13,13A, 13B, 13C, 13D endless groove
14 put tube space
15 auxiliary retention portion
20,20A, 20B, 20C, 20D, 20E, 20F, 20G fill out pencil
21,21A, 21B consent
22,22A, 22B push rod group entrance
23,23A, 23B, 23C, 23D, 23E, 23F, 23G put medicine space
30,30A, 30B, 30C, 30D batching pig
31,31A, 31B, 31C, 31D cock body
32,32A, 32B, 32C, 32D block edge
33,33A, 33B, 33C, 33D projection
34,34A, 34B, 34C, 34D pod apertures
331,331A puncture tank
40 push rod group 41 push rods
411 joint portion 412 shanks
42 thromboembolisms
50,50A, 50B, 50C, 50D, 50E, 50F, 50G syringe needle group
51,51A, 51B, 51C, 51D, 51E, 51F, 51G syringe needle
511,511A dispensing end
512,512A cutting tip
52,52A, 52B, 52C, 52D, 52E over cap
521,521D, 521E sealing-plug
53,53A, 53B, 53C, 53D, 53E safety head
60, the airtight cover plug of 60C
61,61C flange.
Detailed description of the invention
In order to understand in detail technical characterictic of the present invention and practical effect, and can implement according to the content of description, further, with preferred embodiment as shown in drawings, be described in detail as follows:
The deserted syringe cylinder of a kind of pre-filling type of the present invention, refers to the first preferred embodiment of Fig. 1 to Fig. 4, and it includes one and shields and sustain cylinder 10, and fill out pencil 20, a batching pig 30, a push rod group 40 and a syringe needle group 50, wherein:
As shown in Figures 1 and 2, this shields and sustain cylinder 10 for the made cylindrical shell of plastic ejection moulding, include the outer tube wall 101 and the inner tubal wall 102 that extend vertically, as shown in Figure 3, and can convex with respectively multiple ribs 103 that are long strip type at this inner tubal wall 102, each rib 103 is and is uniformly-spaced axially set in this inner tubal wall 102, as shown in Figure 1, being adjacent to this at this inner tubal wall 102 shields and sustain the tube wall that cylinder front end of 10 is radially and is formed as one against shoulder 104, connect this at this front end of shielding and sustain cylinder 10 and form against shoulder 104 a syringe needle installation portion 11 that protrudes tubulose, offer a syringe needle installing hole 110 in the central authorities of this syringe needle installation portion 11, form a holding end 12 in this rear end of shielding and sustain cylinder 10, this holding end 12 have one be open shape and be communicated to this inner tubal wall 102 insert hole 121, convex with one towards both sides level radially respectively in the periphery of this holding end 12 and be laminal gripping edge 122, be close to these lateral margins of inserting hole 121 around convexing with a retaining ring sheet 123 at this gripping edge 122, be close to these inner tubal walls 102 of inserting hole 121 around convexing with a clamping edge 124 at this holding end 12, shield and sustain cylinder inner tubal wall 102 front ends of 10 to forming an endless groove 13 by syringe needle installation portion 11 at this, this endless groove 13 is communicated in this syringe needle installing hole 110, and this shield and sustain cylinder inside of 10 form one be communicated with this endless groove 13 and this holding end 12 put tube space 14.
As shown in Figure 1, this is filled out pencil 20 for isometrical pipeline section and correspondingly inserts this and shield and sustain putting in tube space 14 of cylinder 10, also can be together with this shields and sustain cylinder 10 coated thermoplastic one-body molded and be fixed on this and shield and sustain in cylinder 10, and it is high with degree of stability that this fills out pencil 20, the inactivity thermoplasticity material that is difficult for oozing out inclusions or additive can be had an X-rayed the made body of material as glass or cyclic polyolefin (Cyclic olefin copolymer/polymer) etc., in the present embodiment this fill out pencil 20 for glass material made, this is filled out pencil 20 and has a consent 21 and a push rod group entrance 22 respectively at two ends, and form and be communicated with respectively one of this consent 21 and this push rod group entrance 22 and put medicine space 23 in inside, this is filled out pencil 20 and is resisted against this rib 103 with outer peripheral edges, and blocking is fixed on this clamping edge 124 of shielding and sustain cylinder 10 and is somebody's turn to do against shoulder 104, also can in the time that this shields and sustain cylinder 10 thermoplastic shaping, directly be coated and fixed on this shields and sustain in cylinder 10, in addition, this fills out the kenel that pencil 20 is isometrical pipeline section, maybe this is filled out pencil 20 and can be isometrical pipeline section, and formation restrains the kenel of the consent 21 of shape in one end.
As shown in Figure 1, these batching pig 30 correspondences are arranged at the consent 21 that this fills out pencil 20, and can corresponding plug together the endless groove 13 in this syringe needle installation portion 11, this batching pig 30 is the elastopolymer material of inactivity thermoplastic shaping, this batching pig 30 includes a cock body 31, one block edge 32, one projection 33 and a pod apertures 34, this cock body 31 can corresponding airtight plugging together be fixed on this consent 21, this block edge 32 is around the front end that is arranged at this cock body 31, thereby can against this shield and sustain cylinder 10 against shoulder 104, this projection 33 is formed at the front end of this cock body 31, and be concaved with a puncture tank 331 at this projection 33, this projection 33 can correspondence plug together in this endless groove 13, this pod apertures 34 in a tubular form and be formed in this cock body 31, and can be communicated with this medicine space 23 of putting of filling out pencil 20, this puncture tank 331 and this pod apertures 34 can and can and be fixed for a needle pierces corresponding to 110 one-tenth one axis of this syringe needle installing hole, the block edge 32 of this batching pig 30 can radially extend and protective pad in the leading edge of this consent 21, form this fill out pencil 20 against packing ring.
As shown in Figures 1 and 2, this push rod group 40 includes a push rod 41 and a thromboembolism 42, what this push rod group 40 can be corresponding inserts by this push rod group entrance 22 of filling out pencil 20 that this fills out pencil 20 puts medicine space 23, and can push or the action of pull along axis direction, this push rod 41 is formed with a joint portion 411 in front end, this joint portion 411 can have screw thread, and form a shank 412 for user pull or pushing in rear end, this push rod 41 with this joint portion 411 removably screw lock be incorporated into this thromboembolism 42, make this push rod group 40 with this thromboembolism 42 corresponding and slidably airtight plug together form sealing in this inner chamber of filling out pencil 20 put medicine space 23.
As shown in Figures 1 and 2, this syringe needle group 50 arranges the syringe needle installation portion 11 that is incorporated into this and shields and sustain cylinder 10, and include a syringe needle 51, one over cap 52 and a safety head 53, this syringe needle 51 includes a dispensing end 511 and a cutting tip 512, this syringe needle 51 wears with this cutting tip 512 and glues together the syringe needle installing hole 110 that is fixed on this syringe needle installation portion 11, and puncture tank 331 and the pod apertures 34 of thrusting this batching pig 30 with this cutting tip 512, make this syringe needle 51 can be fixed on this batching pig 30 and be communicated to that this fills out pencil 20 put medicine space 23, this over cap 52 is provided with a sealing-plug 521 in inside, and be sleeved on the periphery of this syringe needle installation portion 11, the dispensing end 511 of this syringe needle 51 punctures in sealing plug 521, to form sealing state, these safety head 53 correspondences are sleeved on this and shield and sustain cylinder 10, can after completing, injection mutually fix with this syringe needle 51, to avoid user false touch syringe needle.
Preferably the first embodiment occupation mode as shown in Figure 1, Figure 2 and shown in Fig. 4 of the present invention:
As shown in Figures 1 and 2, under Kaifeng state not, this fill out pencil 20 put medicine space 23 in can load in advance medicament, because this fills out pencil 20 for glass material, and the thromboembolism 42 of arrange in pairs or groups this batching pig 30 and this push rod group 40 is by pharmacy security, stably being stored in this fills out in pencil 20, and shield and sustain cylinder 10 protection and can reach and get the i.e. convenience of use by this, user is able to pierce through this batching pig 30 and conducting medicament by this syringe needle 51, and take off this over cap 52 and sealing plug 521, the push rod 41 of this push rod group 40 can in injection before again screw lock be incorporated into this thromboembolism 42, and inject with these push rod 41 these thromboembolisms 42 of promotion.
After injecting, this safety head 53 can be covered to this syringe needle 51 of fixing and form state as shown in Figure 4, complete disposable injection operation, the present invention is except getting rid of the complicated standby medicine program of clinical treatment operation injection injection, in minimizing process, the event such as pollution, acupuncture, also can utilize this to fill out pencil 20 and store for a long time medicament, to reduce the use of medicine bottle and the generation of Biohazard Waste, more can reach and get the i.e. object of use, promote the efficiency of clinical operation.
The second preferred embodiment of the present invention is as shown in Fig. 5 to Fig. 8, and itself and the first preferred embodiment are roughly identical, and difference is that one shields and sustain a 10A, and fills out pencil 20A, a batching pig 30A and a syringe needle group 50A:
As shown in Figure 5, this is shielded and sustain a 10A and is provided with a syringe needle installation portion 11A, and include a fixed part 11A ' and a fixing gag 11A "; at this fixing gag 11A " there is a syringe needle installing hole 110A, this fixed part 11A ' is elongated tubular and can be provided with screw thread in periphery, and forms an endless groove 13A in inside;
This is filled out pencil 20A and comprises that a consent 21A, a push rod group entrance 22A and put medicine space 23A; This batching pig 30A comprises a cock body 31A, a block edge 32A, a projection 33A and a pod apertures 34A, is provided with a puncture tank 331A at this projection 33A.
This syringe needle group 50A includes a syringe needle 51A, an over cap 52A and a safety head 53A; this syringe needle 51A has a dispensing end 511A and a cutting tip 512A; this syringe needle 51A is in conjunction with being fixed on this fixing gag 11A ", this syringe needle group 50A is with this fixing gag 11A " spiral shell establishes the fixed part 11A ' that is incorporated into this syringe needle installation portion 11A.
The occupation mode of the second preferred embodiment is as shown in Figure 6 to 8:
As shown in Figure 6, inherent this of pre-filling type syringe before not using filled out in pencil 20A and is filled with medicament, before using first with this fixing gag 11A " screw lock is incorporated into the fixed part 11A ' of this syringe needle installation portion 11A, and make this syringe needle 51A puncture with this cutting tip 512A and be fixed on this batching pig 30A, and put medicine space 23A with this and be communicated with, make this syringe needle group 50A can be fixed on this and shield and sustain a 10A, while implementing injection, first this over cap 52A is pulled down, after injection, cover encapsulation with this safety head 53A again, as shown in Fig. 7 and Fig. 8, it is as the using method of the first preferred embodiment, therefore do not described in detail at this.
As shown in FIG. 9 and 10, itself and the second preferred embodiment are roughly identical in the 3rd preferred embodiment of the present invention, and difference is that one shields and sustain a 10B, and fills out pencil 20B, a batching pig 30B and a syringe needle group 50B:
As shown in Figure 9, this is shielded and sustain a 10B and has a syringe needle installation portion 11B, and includes a fixed part 11B ' and a fixing gag 11B ", at this fixing gag 11B " there is a syringe needle installing hole 110B,, the endless groove 13B of this fixed part 11B ' forms elongated tubular;
This is filled out pencil 20B and comprises that a consent 21B, a push rod group entrance 22B and put medicine space 23B; This batching pig 30B comprises a cock body 31B, a block edge 32B, a projection 33B and a pod apertures 34B, and the projection 33B that this batching pig 30B has forms the strip to internal diameter that should fixed part 11B ', and this pod apertures 34B is formed centrally perforation shape in this projection 33B;
This syringe needle group 50B includes a syringe needle 51B, an over cap 52B and a safety head 53B; this fixing gag 11B " in conjunction with this syringe needle 51B, this over cap 52B and this safety head 53B; be further arranged with an airtight cover plug 60 at this syringe needle installation portion 11B; this airtight cover plug 60 convexes with correspondence and can seal a flange 61 of this pod apertures 34B in inner side, can prevent that this medicament of filling out pencil 20B from not using front seepage.
The occupation mode of the 3rd preferred embodiment is as shown in figure 10:
As shown in figure 10; shield and sustain under the sealing state of a 10B at this; remove this airtight cover plug 60; and make this fixing gag 11B " be incorporated into this and shield and sustain the fixed part 11B ' of a 10B; and this puts medicine space 23B to make this syringe needle 51B penetrate the pod apertures 34B of batching pig 30B conducting; in the time of injection, need this over cap 52B pull down, other uses the using method as the first preferred embodiment, therefore do not described in detail at this.
As shown in FIG. 11 and 12, itself and the 3rd preferred embodiment are roughly identical in the 4th preferred embodiment of the present invention, and difference is that one shields and sustain a 10C, and fills out pencil 20C, a batching pig 30C, a syringe needle group 50C and an airtight cover plug 60C:
As shown in FIG. 11 and 12, this is shielded and sustain a 10C and has a syringe needle installation portion 11C, in the periphery of this syringe needle installation portion 11C around being provided with an auxiliary retention portion 15, this syringe needle installation portion 11C includes a fixed part 11C ' and a fixing gag 11C ", this fixing gag 11C " there is a syringe needle installing hole 110C; This is filled out pencil 20C and comprises and put medicine space 23C;
This batching pig 30C comprises a cock body 31C, a block edge 32C, a projection 33C and a pod apertures 34C; This syringe needle group 50C includes a syringe needle 51C, an over cap 52C and a safety head 53C; this syringe needle 51C, this over cap 52C and this safety head 53C are incorporated into this fixing gag 11C "; be combined with this airtight cover plug 60C at this syringe needle installation portion 11C; in the time of injection; this airtight cover plug 60C should unload in advance; with this fixing gag 11C " be sheathed on this fixed part 11C ' and be equipped in this auxiliary retention portion 15; in the time of injection, this syringe needle 51C can more firmly be difficult for producing mobile; and other embodiment is identical with previous each embodiment, therefore do not described in detail.
The the 5th, the 6th preferred embodiment of the present invention as shown in FIG. 13 and 14, itself and the first preferred embodiment are roughly identical, difference includes one at the 5th embodiment and shields and sustain a 10D, and fill out pencil 20D, a batching pig 30D and a syringe needle group 50D, the 6th embodiment includes one and shields and sustain a 10E, and fill out pencil 20E, a batching pig 30E and a syringe needle group 50E, wherein, this shields and sustain a 10D and this fills out the elongated needle barrel structure that pencil 20D is the capacity of 1CC, this shields and sustain a 10E and this fills out the elongated needle barrel structure that pencil 20E is 0.5CC capacity, and all the other structures are all identical.
Wherein, taking this using state of shielding and sustain a 10D as example, this is shielded and sustain a 10D and has a syringe needle installation portion 11D, has a syringe needle installing hole 110D and an endless groove 13D in this syringe needle installation portion 11D; This is filled out pencil 20D and comprises and put medicine space 23D; This batching pig 30D comprises a cock body 31D mono-block edge 32D, a projection 33D and a pod apertures 34D, this syringe needle group 50D includes a syringe needle 51D, an over cap 52D and a safety head 53D, this protective sleeve 52D has a sealing-plug 521D, this syringe needle 51D is incorporated in sealing plug 521D, this batching pig 30D fills in this and shields and sustain the endless groove 13D of a 10D with this projection 33D, and prop up in this against shoulder 104 with this block edge 32D, this syringe needle 51D penetrates the pod apertures 34D of this batching pig 30D and puts medicine space 23D with this and is communicated with, the medicament of filling out pencil 20D to derive this;
This of the 6th embodiment filled out pencil 20E and comprised and put medicine space 23E; this syringe needle group 50E includes a syringe needle 51E, an over cap 52E and a safety head 53E; this protective sleeve 52E has a sealing-plug 521E; it is identical that this shields and sustain the structure of a 10D, 10E and other occupation mode and the first preferred embodiment, therefore do not described in detail.
The of the present invention the 7th, eight preferred embodiments are as Figure 15, shown in 16, itself and the first preferred embodiment are roughly identical, difference is that the 5th embodiment includes one and shields and sustain a 10F, one fills out pencil 20F, one batching pig 30F and a syringe needle group 50F, the 6th embodiment includes one and shields and sustain a 10G, one fills out pencil 20G, one batching pig 30G and a syringe needle group 50G, wherein, this shields and sustain a 10F, 10G and this are filled out pencil 20F, 20G is the capacity of 25CC, and being positioned at this, this syringe needle installation portion 11F who shields and sustain a 10F shields and sustain the front end central authorities of a 10F, and this syringe needle installation portion 11G who shields and sustain a 10G is positioned at contiguous this and shields and sustain the front edge position of a 10G, other structure is similar to the first preferred embodiment, therefore do not described in detail.
The different size that the present invention can arrange in pairs or groups in each embodiment shield and sustain cylinder and fill out pencil or similar aspect syringe needle group use, and can effective and safe storage isolate medicament in medicine setting pipe, medicament can chronicity be stably stored in to be filled out in pencil, can safe storage medicament and facilitate clinical use thereby both reach, the object of injection, and can reduce traditional clinical treatment and use the pollution that complicated process produces of injection drug, the chance infecting, and relatively reduce medicine bottle and use to reduce the quantity of Biohazard Waste, and relatively reduce traditional glass pre-filling type syringe manufacturing cost, practicality is quite extensive.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, if any those skilled in the art are not departing from the scope of technical characterictic that the present invention carries, utilize disclosed technology contents to do the local equivalent embodiment that changes or modify, all still belong in the scope of the claims in the present invention.
Claims (21)
1. the deserted syringe cylinder of pre-filling type, comprising:
One shields and sustain cylinder, it includes the outer tube wall and the inner tubal wall that extend vertically, and shield and sustain a two ends and form respectively a syringe needle installation portion and a holding end at this, and shield and sustain at this that cylinder is inner to be formed one and put tube space, form one against shoulder at this radially tube wall of putting contiguous this syringe needle installation portion of tube space, be formed with a hole of inserting of opening and being communicated with this and putting tube space at the axial tube wall of this holding end;
One fills out pencil, it is for stablizing the made body of had an X-rayed material of passivity, and the corresponding tube space of putting that is immobilizated in this and shields and sustain cylinder, this is filled out pencil and has respectively a consent and a push rod group entrance at two ends, fills out inner formation of pencil and is communicated with respectively one of this consent and this push rod group entrance and puts medicine space at this;
One batching pig, it fixedly clogs the consent of filling out pencil in this with one end, and with other end correspondence be resisted against this shield and sustain cylinder against shoulder;
One push rod group, it includes a push rod and a thromboembolism, and this thromboembolism can be incorporated into the front end of this push rod, and this push rod group correspondence is arranged in this push rod group entrance of filling out pencil and can be airtightly fills out pencil and carry out the action of forward and backward pushing or pull along this;
One syringe needle group, described in its correspondence is arranged at, shield and sustain cylinder syringe needle installation portion.
2. the deserted syringe cylinder of pre-filling type according to claim 1, wherein convex with one towards both sides level radially respectively in the periphery of this holding end and be laminal gripping edge, convex with a clamping edge at the inner wall surrounding of this holding end, this shield and sustain cylinder inner tubal wall front end to forming an endless groove by syringe needle installation portion.
3. the deserted syringe cylinder of pre-filling type according to claim 2, wherein the central authorities of syringe needle installation portion offer a syringe needle installing hole.
4. the deserted syringe cylinder of pre-filling type according to claim 2, wherein convexes with respectively multiple ribs that are long strip type at this inner tubal wall of shielding and sustain cylinder, and each rib is and is uniformly-spaced axially set in this inner tubal wall.
5. the deserted syringe cylinder of pre-filling type according to claim 1, wherein this to fill out pencil be isometrical pipeline section.
6. the deserted syringe cylinder of pre-filling type according to claim 1, wherein this to fill out pencil be isometrical pipeline section, and form the consent of convergence shape in one end.
7. the deserted syringe cylinder of pre-filling type according to claim 1, wherein this batching pig includes a cock body and a block edge, this cock body can corresponding airtight plugging together be fixed on this consent, this block edge is around the front end that is arranged at this cock body, this batching pig with this block edge be resisted against this shield and sustain cylinder against shoulder.
8. the deserted syringe cylinder of pre-filling type according to claim 2, wherein this batching pig forms a projection in front end, and this batching pig can plug together in the endless groove of syringe needle installation portion with this projection correspondence.
9. the deserted syringe cylinder of pre-filling type according to claim 7, wherein this batching pig is provided with a pod apertures in a tubular form.
10. the deserted syringe cylinder of pre-filling type according to claim 8, wherein this batching pig is provided with a pod apertures in a tubular form.
11. according to the deserted syringe cylinder of the pre-filling type described in any one in claim 7 to 10, wherein this block edge can radially extend to form this fill out pencil against packing ring.
The deserted syringe cylinder of 12. pre-filling type according to claim 1, wherein this syringe needle group is fixed syringe needle group and includes a syringe needle, this syringe needle is arranged in this syringe needle installation portion and is fixed on this batching pig, makes this syringe needle be communicated to this and fills out pencil.
The deserted syringe cylinder of 13. pre-filling type according to claim 2, wherein this syringe needle group includes a syringe needle, this endless groove of shielding and sustain the syringe needle installation portion of cylinder forms elongated tubular, and this batching pig forms projection that should endless groove at front end, and this batching pig plugs together in the endless groove of this syringe needle installation portion with this projection correspondence.
The deserted syringe cylinder of 14. pre-filling type according to claim 13, wherein this syringe needle installation portion includes a fixed part and a fixing gag, this syringe needle is in conjunction with being fixed on this fixing gag, and be incorporated into this fixed part with this fixing gag correspondence, make this syringe needle be arranged in this syringe needle installation portion and plug together in this batching pig and be communicated to this to fill out pencil.
The deserted syringe cylinder of 15. pre-filling type according to claim 13, wherein this shields and sustain a periphery at this syringe needle installation portion around being provided with an auxiliary retention portion, this syringe needle installation portion includes a fixed part and a fixing gag, this syringe needle is in conjunction with being fixed on this fixing gag, and be incorporated into this fixed part and be equipped in this auxiliary retention portion with this fixing gag correspondence, make this syringe needle be arranged in this syringe needle installation portion and plug together in this batching pig, make this syringe needle be communicated to this and fill out pencil.
The deserted syringe cylinder of 16. pre-filling type according to claim 13, wherein this syringe needle installation portion of shielding and sustain cylinder includes a fixed part and a fixing gag, this fixed part is provided with screw thread in periphery, this syringe needle is in conjunction with being fixed on this fixing gag, and be incorporated into this fixed part with the corresponding screw lock of this fixing gag, make this syringe needle be arranged in this syringe needle installing hole and plug together in this batching pig, make this syringe needle be communicated to this and fill out pencil.
17. according to the deserted syringe cylinder of pre-filling type described in any one in claim 1 to 9,12 to 16, and wherein this is filled out pencil and makes with glass material.
18. according to the deserted syringe cylinder of pre-filling type described in any one in claim 1 to 9,12 to 16, and wherein this is filled out pencil and makes with cyclic polyolefin material.
19. 1 kinds of deserted syringe cylinders of pre-filling type, comprising:
One shields and sustain cylinder, it includes the outer tube wall and the inner tubal wall that extend vertically, and shield and sustain a two ends and form respectively a syringe needle installation portion and a holding end at this, and shield and sustain at this that cylinder is inner to be formed one and put tube space, form one against shoulder at this radially tube wall of putting contiguous this syringe needle installation portion of tube space, be formed with a hole of inserting of opening and being communicated with this and putting tube space at the axial tube wall of this holding end;
One airtight cover plug, it can be dismantled and sheathedly be incorporated into this syringe needle installation portion, and is convexly equipped with a flange in inner side;
One fills out pencil, and it is for stablize the made body of had an X-rayed material of passivity, and corresponding inserting be immobilizated in the tube space of putting that this shields and sustain tin, and this is filled out pencil and has respectively a consent and a push rod group entrance at two ends;
One batching pig, it is fixedly installed on this fills out the consent of pencil, and with other end correspondence be resisted against this shield and sustain cylinder against shoulder;
One push rod group, it includes a push rod and a thromboembolism, and this thromboembolism can be incorporated into the front end of this push rod, and this push rod group correspondence is arranged in this push rod group entrance of filling out pencil and can be airtightly fills out pencil and carry out the action of forward and backward pushing or pull along this.
The deserted syringe cylinder of 20. pre-filling type according to claim 19, wherein this is filled out pencil and makes with glass material.
The deserted syringe cylinder of 21. pre-filling type according to claim 20, wherein this is filled out pencil and makes with cyclic polyolefin material hydrocarbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310037652.8A CN103961767A (en) | 2013-01-31 | 2013-01-31 | Pre-filled disposable syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310037652.8A CN103961767A (en) | 2013-01-31 | 2013-01-31 | Pre-filled disposable syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103961767A true CN103961767A (en) | 2014-08-06 |
Family
ID=51232074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310037652.8A Pending CN103961767A (en) | 2013-01-31 | 2013-01-31 | Pre-filled disposable syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103961767A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108721729A (en) * | 2017-04-21 | 2018-11-02 | 戴浙 | Device for pre-loading a medicament capsule injector |
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| US5435076A (en) * | 1992-04-21 | 1995-07-25 | Pharmacia Aktiebolag | Injection device |
| US5478321A (en) * | 1991-01-15 | 1995-12-26 | Kimber; Michael B. | Plastic syringe |
| US6027472A (en) * | 1992-08-13 | 2000-02-22 | Science Incorporated | Mixing and delivery syringe assembly |
| US20060178644A1 (en) * | 2004-12-03 | 2006-08-10 | Reynolds David L | Pharmaceutical cartridge assembly and method of filling same |
| CN1913933A (en) * | 2003-12-16 | 2007-02-14 | 贝克顿·迪金森公司 | Safety shield system for prefilled syringe |
| CN101596334A (en) * | 2009-06-18 | 2009-12-09 | 李炜平 | A kind of spliced prefilled injector and using method thereof |
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2013
- 2013-01-31 CN CN201310037652.8A patent/CN103961767A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5478321A (en) * | 1991-01-15 | 1995-12-26 | Kimber; Michael B. | Plastic syringe |
| US5435076A (en) * | 1992-04-21 | 1995-07-25 | Pharmacia Aktiebolag | Injection device |
| US6027472A (en) * | 1992-08-13 | 2000-02-22 | Science Incorporated | Mixing and delivery syringe assembly |
| CN1913933A (en) * | 2003-12-16 | 2007-02-14 | 贝克顿·迪金森公司 | Safety shield system for prefilled syringe |
| US20060178644A1 (en) * | 2004-12-03 | 2006-08-10 | Reynolds David L | Pharmaceutical cartridge assembly and method of filling same |
| CN101596334A (en) * | 2009-06-18 | 2009-12-09 | 李炜平 | A kind of spliced prefilled injector and using method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108721729A (en) * | 2017-04-21 | 2018-11-02 | 戴浙 | Device for pre-loading a medicament capsule injector |
| CN108721729B (en) * | 2017-04-21 | 2020-12-22 | 戴浙 | Device for pre-loading a medicament capsule injector |
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Application publication date: 20140806 |