CN102961804A - Injector capable of repeatedly using boosting device and liquid storage device thereof - Google Patents

Injector capable of repeatedly using boosting device and liquid storage device thereof Download PDF

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Publication number
CN102961804A
CN102961804A CN2012105025453A CN201210502545A CN102961804A CN 102961804 A CN102961804 A CN 102961804A CN 2012105025453 A CN2012105025453 A CN 2012105025453A CN 201210502545 A CN201210502545 A CN 201210502545A CN 102961804 A CN102961804 A CN 102961804A
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CN
China
Prior art keywords
assist device
jointing
core bar
syringe
overcoat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2012105025453A
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Chinese (zh)
Other versions
CN102961804B (en
Inventor
陈达锦
霍新
梁土莲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DIANBAI KANGERMEI BIOLOGICAL TECHNOLOGY CO., LTD.
Original Assignee
Guangdong Kang'ermei Medical Instrument Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Kang'ermei Medical Instrument Co Ltd filed Critical Guangdong Kang'ermei Medical Instrument Co Ltd
Priority to CN201210502545.3A priority Critical patent/CN102961804B/en
Publication of CN102961804A publication Critical patent/CN102961804A/en
Priority to PCT/CN2013/074055 priority patent/WO2014082412A1/en
Application granted granted Critical
Publication of CN102961804B publication Critical patent/CN102961804B/en
Expired - Fee Related legal-status Critical Current
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/315Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31501Means for blocking or restricting the movement of the rod or piston
    • A61M5/31505Integral with the syringe barrel, i.e. connected to the barrel so as to make up a single complete piece or unit
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/24Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
    • A61M5/2422Ampoule 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
    • A61M5/2425Ampoule 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 compression of deformable ampoule or carpule wall
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/3129Syringe barrels
    • A61M5/3134Syringe barrels characterised by constructional features of the distal end, i.e. end closest to the tip of the needle cannula

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  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention discloses an injector capable of repeatedly using a boosting device and a liquid storage device thereof. The injector is provided with the liquid storage device and the boosting device, wherein the liquid storage device is provided with a connector and an elastic medicine bag; the elastic medicine bag is assembled in an inner cavity of the connector and hermetically connected with the inner cavity of the connector; the boosting device is provided with an outer sleeve and a core rod; a rubber plug is arranged at one end of the core rod; the core rod is assembled in the outer sleeve; the rubber plug is hermetically in contact with the inner wall surface of the outer sleeve; the connector is assembled at the assembly end of the outer sleeve; the elastic medicine bag is provided with a bag wall and a bag cavity; the boosting device is also provided with a one-way locking mechanism; the one-way locking mechanism is provided with a mounting seat, an injection fastener and an elastic piece; the core rod is also provided with a fastener position; and the fastener end is assembled in the fastener position in a fastened way. According to the injector, the boosting device can be repeatedly used, so that not only can the use cost of a patient be saved but also the raw materials can be greatly saved, and the environmental protection requirements are met.

Description

A kind of syringe of reusable assist device and device for storing liquid thereof
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of syringe and device for storing liquid thereof of reusable assist device.
Background technology
Syringe is one of medical field intravenous injection medical supplies commonly used.In the prior art, syringe is made of overcoat, the core bar that is assemblied in overcoat inside and the first-class main devices of entry needle usually.When carrying out the liquid suction, the pull core bar, the negative pressure of generation carries out liquid is sucked the inner chamber of overcoat, then oppositely promotes core bar during injection and injects with the inner chamber that liquid is released overcoat by injection needle.
Syringe of the prior art as long as used once its overcoat, core bar and injection needle all will discard, can't be realized the recycling of the part assembly of syringe or formation syringe.Not only patient's use cost is higher, and after the disposable use, the component part of syringe all needs to abandon, and waste of material is serious, does not meet environmental requirement.
Therefore, for the deficiencies in the prior art, provide a kind of syringe of reusable assist device and device for storing liquid thereof very necessary to overcome the prior art deficiency.
Summary of the invention
One of purpose of the present invention is to avoid weak point of the prior art and syringe that a kind of reusable assist device is provided, and the syringe of this reusable assist device has the advantages that to reuse assist device.
Above-mentioned purpose of the present invention realizes by following technical measures.
A kind of syringe of reusable assist device is provided, is provided with device for storing liquid and assist device;
Described device for storing liquid is provided with jointing and elasticity medicine bag, and described elasticity medicine bag is assemblied in the inner chamber of described jointing, and described elasticity medicine bag is connected with described jointing bore seal;
Described assist device is provided with overcoat and core bar, and an end of described core bar is provided with plug, and described core bar is assemblied in described overcoat inside and described plug contacts with the internal face sealing of described overcoat, and described jointing is assemblied in the assembling end of described overcoat.
Above-mentioned elasticity medicine bag is provided with cyst wall and blister cavities, and described cyst wall is fixedly connected with described blister cavities, and the wall of described cyst wall and described jointing inner chamber is tightly connected.
Above-mentioned cyst wall and described blister cavities are set to integrated formed structure.
Above-mentioned assist device also is provided with one-way locking mechanism, and described one-way locking mechanism is provided with mount pad, injection buckle and elastic component;
Described mount pad is fixedly installed on the outside wall surface of the opening end of described overcoat, and described injection buckle is movably set in described mount pad;
Described injection buckle is provided with the buckle end for the described core bar of snap-fitted, and the other end of described injection buckle is tail end, the two ends of described elastic component respectively with the outside wall surface butt of described tail end and described overcoat;
Described core bar also is provided with button bit, and described buckle end snapping is assemblied in described button bit.
Above-mentioned button bit is set to strip shape body, and described strip shape body is provided with the button bit tooth, described buckle end and described button bit tooth snapping.
The syringe of above-mentioned reusable assist device also is provided with the core bar locator card, and described core bar positioning sleeve is located at the opening end that described core bar and described core bar locator card are assemblied in described overcoat.
Above-mentioned core bar locator card is provided with draw-in groove, and described strip shape body and described draw-in groove are complementary.
The assembling end outside wall surface of above-mentioned overcoat is provided with external screw thread, and the internal face of described jointing is provided with female thread, and described overcoat and described jointing are connected by engage thread.
The syringe of above-mentioned reusable assist device also is provided with entry needle, and described entry needle is assemblied in the Shandong taper joint of described jointing.
The syringe of above-mentioned reusable assist device also is provided with needle guard, and described needle guard is sheathed on described entry needle.
The syringe device for storing liquid that another object of the present invention is to avoid weak point of the prior art and a kind of reusable assist device is provided can realize making syringe to realize reusing the characteristics of assist device by this device for storing liquid.
Above-mentioned purpose of the present invention realizes by following technological means.
A kind of device for storing liquid is provided, is used for the syringe of above-mentioned reusable assist device, be provided with jointing and elasticity medicine bag, described elasticity medicine bag is assemblied in the inner chamber of described jointing, and described elasticity medicine bag is connected with described jointing bore seal.
Above-mentioned elasticity medicine bag is provided with cyst wall and blister cavities, and described cyst wall is fixedly connected with described blister cavities, and the wall of described cyst wall and described jointing inner chamber is tightly connected.
The syringe of reusable assist device of the present invention is provided with device for storing liquid and assist device; Described device for storing liquid is provided with jointing and elasticity medicine bag, and described elasticity medicine bag is assemblied in the inner chamber of described jointing, and described elasticity medicine bag is connected with described jointing bore seal; Described assist device is provided with overcoat and core bar, and an end of described core bar is provided with plug, and described core bar is assemblied in described overcoat inside and described plug contacts with the internal face sealing of described overcoat, and described jointing is assemblied in the assembling end of described overcoat.The syringe of this reusable assist device, be set to two parts and consist of syringe integral body to be assembled together owing to being provided with device for storing liquid and device for storing liquid and assist device, liquid in the inhalation syringe only is present in the space of elasticity medicine bag and jointing formation, liquid can not contact with overcoat, the core bar of assist device, so after injecting, assist device can not polluted, and still can continue to use.The present invention can realize reusing of assist device, not only can save patient's use cost and can greatly save raw material, meets environmental requirement.
A kind of device for storing liquid of using, the syringe for above-mentioned reusable assist device is provided with jointing and elasticity medicine bag, and described elasticity medicine bag is assemblied in the inner chamber of described jointing, and described elasticity medicine bag is connected with described jointing bore seal.This device for storing liquid cooperates assist device, can realize that syringe is after injection is complete, only need new device for storing liquid, needle fits can be reused in former assist device, can realize reusing of assist device, not only can save patient's use cost and can greatly save raw material, meet environmental requirement.
Description of drawings
The invention will be further described to utilize accompanying drawing, but the content in the accompanying drawing does not consist of any limitation of the invention.
Fig. 1 is the structural representation of the syringe embodiment 1 of a kind of reusable assist device of the present invention.
Fig. 2 is the structural representation of the syringe embodiment 3 of a kind of reusable assist device of the present invention.
Fig. 3 is the blast structural representation of Fig. 2.
Fig. 4 is Fig. 2 " A-A " cutaway view.
Fig. 5 is the sketch map that abandons part and reserve part after the syringe of a kind of reusable assist device of the present invention uses.
In Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, include:
Device for storing liquid 100,
Jointing 110, female thread 111,
Elasticity medicine bag 120, cyst wall 121, blister cavities 122,
Assist device 200,
Overcoat 210, assembling end 211, opening end 212, external screw thread 213,
Core bar 220, plug 221, button bit 222, button bit tooth 223,
Mount pad 231,
Injection buckle 232, buckle end 2321, tail end 2322,
Elastic component 233,
Core bar locator card 240, draw-in groove 241,
Injection needle 300,
Needle guard 400,
After the syringe of this reusable assist device uses abandon part 70,
Reserve part 60 after the syringe of this reusable assist device uses.
The specific embodiment
The invention will be further described with the following Examples.
Embodiment 1.
A kind of syringe of reusable assist device as shown in Figure 1, is provided with device for storing liquid 100, assist device 200, also is provided with injection needle 300, needle guard 400.Device for storing liquid 100 is used for the liquid of accommodating suction, and assist device 200 aspirates or injects liquid under external force.
Device for storing liquid 100 is provided with jointing 110 and elasticity medicine bag 120, and elasticity medicine bag 120 is assemblied in the inner chamber of jointing 110, and elasticity medicine bag 120 is connected with jointing 110 bore seal.Concrete, elasticity medicine bag 120 can be tightly connected by ultrasonic bonding or by alternate manner with the inner chamber of jointing 110.
Elasticity medicine bag 120 is provided with cyst wall 121 and blister cavities 122, and cyst wall 121 is fixedly connected with blister cavities 122, and cyst wall 121 is tightly connected with the wall of jointing 110 inner chambers.Can be by ultrasonic bonding or by the alternate manner seal welding between the wall of cyst wall 121 and jointing 110 inner chambers.
When liquid process jointing 110 sucks, because elasticity medicine bag 120 is tightly connected with jointing 110, liquid will be stored in the space of elasticity medicine bag 120 and jointing 110 formations, and can not contact other parts of syringe.Along with the increase of the inhalant liquid scale of construction, liquid can strut elasticity medicine bag 120.
Assist device 200 is provided with overcoat 210 and core bar 220, and an end of core bar 220 is provided with plug 221, and core bar 220 is assemblied in overcoat 210 inside and plug 221 contacts with the internal face sealing of overcoat 210.When core bar 220 was subject to External Force Acting in overcoat 210 interior slip, the plug 221 of core bar 220 forms negative pressure with the outside wall surface sealing or the malleation chamber sucks or injects in order to carry out liquid.
Jointing 110 is assemblied in the assembling end 211 of overcoat 210.Concrete, the assembling of overcoat 210 holds 211 outside wall surface to be provided with external screw thread 213, and the internal face of jointing 110 is provided with female thread 111, and overcoat 210 and jointing 110 are connected by engage thread.
Need to prove that jointing 110 is not limited to being threaded in the present embodiment with the assembling mode of overcoat 210, also can according to circumstances be set to buckle connection or alternate manner and connect.
The syringe of this reusable assist device, its operation principle is such: when external force pull core bar 220, core bar 220 courts move away from the direction of the assembling end 211 of overcoat 210, be negative pressure state in the overcoat 210 this moment, outside liquid will suck in the elasticity medicine bag 120 by jointing 110, along with the elasticity medicine bag 120 that increases that sucks liquid will be strutted.Because elasticity medicine bag 120 is tightly connected with jointing 110, medicinal liquid can only be present in the space of elasticity medicine bag 120 and jointing 110 formations, and can not enter overcoat 210, so medicinal liquid can not pollute overcoat 210 and core bar 220.When external force promotion core bar 220 is injected, pressure in the overcoat 210 increases, promote elasticity medicine bag 120 extruding liquid liquid is injected away by jointing 110, this process herb liquid only exists only in device for storing liquid 100, so medicinal liquid can not pollute overcoat 210 and core bar 220.Whole assist device 200 is in the process of carrying out imbibition and injecting fluid, medicinal liquid only exists only in the device for storing liquid 100, and can not contact assist device 200, so after injection is complete, as long as change device for storing liquid 100, injection needle 300 parts, assist device 200 originally still can be used safely.
Because assist device 200 can be repeatedly used, so can reduce patient's economic pressures and can greatly save raw material, meets environmental requirement.
In addition, the syringe construction of the reusable assist device of present embodiment is simple, and is with low cost, uses safety.
Embodiment 2.
A kind of syringe of reusable assist device, other structure is identical with embodiment 1, difference is: cyst wall 121 and blister cavities 122 are set to integrated formed structure, have easy to process, with low cost, good sealing effect specific.
Embodiment 3.
A kind of syringe of reusable assist device, other structure is identical with embodiment 1 or 2, difference is, also has following technical characterictic: such as Fig. 2, Fig. 3, shown in Figure 4, its assist device 200 also is provided with one-way locking mechanism, and one-way locking mechanism is provided with mount pad 231, injection buckle 232 and elastic component 233.
Mount pad 231 is fixedly installed on the outside wall surface of the opening end 212 of overcoat 210, and injection buckle 232 is movably set in mount pad 231.Concrete, injection buckle 232 is assemblied in mount pad 231 by an axostylus axostyle activity.Need to prove that injection buckle 232 can have different mounting means to be assemblied in mount pad 231, and not only is confined to the mode in the present embodiment.
Injection buckle 232 is provided with buckle end 2321 for the described core bar 220 of snap-fitted, and the other end of injection buckle 232 is tail end 2322, the two ends of elastic component 233 respectively with the outside wall surface butt of tail end 2322 and overcoat 210.Elastic component 233 can be set to spring or other elastic parts.
Core bar 220 also is provided with button bit 222, and buckle end 2321 snappings are assemblied in button bit 222.
Button bit 222 is set to strip shape body, and strip shape body is provided with button bit tooth 223, buckle end 2321 and button bit tooth 223 snappings.
In addition, this assist device 200 also is provided with core bar locator card 240, and core bar locator card 240 is sheathed on the opening end 212 that core bar 220 and core bar locator card 240 are assemblied in overcoat 210.Core bar locator card 240 is provided with draw-in groove 241, and strip shape body and draw-in groove 241 are complementary.
The button bit 222 of core bar 220 is connected with buckle end 2321 buckles, and the two ends of elastic component 233 are connected to the outside wall surface of tail end 2322 and overcoat 210.When carrying out the liquid suction, external force is twitched core bar 220 and is moved towards opening end 212 directions away from overcoat 210, this moment is because the effect of external force, the buckle end 2321 that is stuck in button bit 222 will be subject to the thrust of core bar 220, so that the tail end 2322 of elastic component 233 compressions, injection buckle 232 is towards doing small size displacement near mount pad 231 directions, core bar 220 can move, movement along with core bar 220, assist device 200 inside are negative pressure state, and liquid enters device for storing liquid 100 inside by injection needle 300.After pumping liquid is complete, because buckle end 2321 buckles are connected in button bit 222, the in addition positioning action of core bar locator card 240, core bar 200 will be in original position and can not move.If this moment, when external force promotion core bar 210 holds 211 directions to move towards the assembling of close overcoat 210, because the effect of tail end 2322, elastic component 233, the button bit 222 and buckle end 2321 snappings of promotion core bar 220, core bar 220 can not move in the overcoat 210.If need injection, only need rotation core bar 220, so that staggering with buckle end 2321, the button bit 222 of core bar 220 can carry out liquid infusion.
By this one-way locking mechanism, can suck or injection by liquid with precise control, more safe and reliable.
The syringe of this reusable assist device, its whole assist device 200 is in the process of carrying out imbibition and injecting fluid, and medicinal liquid only exists only in the device for storing liquid 100, and can not contact assist device 200.So after injection is complete, reserve part 60 after the syringe that keeps this reusable assist device uses, after using, the syringe that abandons this reusable assist device abandons part 70, as shown in Figure 5, namely as long as with original device for storing liquid 100, injection needle 300 parts, needle guard 400 parts abandon, and keep original assist device 200 parts, again with original device for storing liquid 100, injection needle 300 parts, needle guard 400 is assemblied in original assist device 200 parts and can reuses, and newly assembled syringe can be because of last time injection and caused cross-contamination.
Because assist device 200 can be repeatedly used, so can reduce patient's economic pressures and can greatly save raw material, meets environmental requirement.
In addition, the syringe construction of the reusable assist device of present embodiment is simple, and is with low cost, uses safety.
 
Embodiment 4.
A kind of device for storing liquid is for the syringe of above-described embodiment 1 to 3 any a reusable assist device.As shown in Figures 1 to 4, this device for storing liquid 100 is provided with jointing 110 and elasticity medicine bag 120, and elasticity medicine bag 120 is assemblied in the inner chamber of jointing 110, and elasticity medicine bag 120 is connected with jointing 110 bore seal.
Elasticity medicine bag 120 is provided with cyst wall 121 and blister cavities 122, and cyst wall 121 is fixedly connected with blister cavities 122, and cyst wall 121 is tightly connected with the wall of jointing 110 inner chambers.
This device for storing liquid 100 cooperates assist device 200, can realize that syringe is after injection, only need to change device for storing liquid 100, injection needle 300 and reuse assist device 200 and can form new syringe and use, not only can save patient's use cost and can greatly save raw material, meet environmental requirement.
Embodiment 5.
A kind of device for storing liquid, other structure is identical with embodiment 1, difference is: cyst wall 121 and described blister cavities 122 are set to integrated formed structure, have easy to process, with low cost, good sealing effect specific.
Should be noted that at last; above embodiment only is used for technical scheme of the present invention being described but not limiting the scope of the invention; although with reference to preferred embodiment the present invention has been done detailed description; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement technical scheme of the present invention, and not break away from essence and the scope of technical solution of the present invention.

Claims (10)

1. the syringe of a reusable assist device is characterized in that: be provided with device for storing liquid and assist device;
Described device for storing liquid is provided with jointing and elasticity medicine bag, and described elasticity medicine bag is assemblied in the inner chamber of described jointing, and described elasticity medicine bag is connected with described jointing bore seal;
Described assist device is provided with overcoat and core bar, and an end of described core bar is provided with plug, and described core bar is assemblied in described overcoat inside and described plug contacts with the internal face sealing of described overcoat, and described jointing is assemblied in the assembling end of described overcoat.
2. the syringe of reusable assist device according to claim 1, it is characterized in that: described elasticity medicine bag is provided with cyst wall and blister cavities, and described cyst wall is fixedly connected with described blister cavities, and the wall of described cyst wall and described jointing inner chamber is tightly connected.
3. the syringe of reusable assist device according to claim 2, it is characterized in that: described cyst wall and described blister cavities are set to integrated formed structure.
4. the syringe of reusable assist device according to claim 2 is characterized in that:
Described assist device also is provided with one-way locking mechanism, and described one-way locking mechanism is provided with mount pad, injection buckle and elastic component;
Described mount pad is fixedly installed on the outside wall surface of the opening end of described overcoat, and described injection buckle is movably set in described mount pad;
Described injection buckle is provided with the buckle end for the described core bar of snap-fitted, and the other end of described injection buckle is tail end, the two ends of described elastic component respectively with the outside wall surface butt of described tail end and described overcoat;
Described core bar also is provided with button bit, and described buckle end snapping is assemblied in described button bit.
5. the syringe of reusable assist device according to claim 4, it is characterized in that: described button bit is set to strip shape body, and described strip shape body is provided with the button bit tooth, described buckle end and described button bit tooth snapping.
6. the syringe of reusable assist device according to claim 5, it is characterized in that: described assist device also is provided with the core bar locator card, and described core bar positioning sleeve is located at the opening end that described core bar and described core bar locator card are assemblied in described overcoat.
7. the syringe of reusable assist device according to claim 6, it is characterized in that: described core bar locator card is provided with draw-in groove, and described strip shape body and described draw-in groove are complementary.
8. the syringe of reusable assist device according to claim 1, it is characterized in that: the assembling end outside wall surface of described overcoat is provided with external screw thread, the internal face of described jointing is provided with female thread, and described overcoat and described jointing are connected by engage thread.
9. device for storing liquid, the syringe that is used for the described reusable assist device of claim 1 to 8 any one, it is characterized in that: be provided with jointing and elasticity medicine bag, described elasticity medicine bag is assemblied in the inner chamber of described jointing, and described elasticity medicine bag is connected with described jointing bore seal.
10. device for storing liquid according to claim 9, it is characterized in that: described elasticity medicine bag is provided with cyst wall and blister cavities, and described cyst wall is fixedly connected with described blister cavities, and the wall of described cyst wall and described jointing inner chamber is tightly connected.
CN201210502545.3A 2012-11-30 2012-11-30 Injector capable of repeatedly using boosting device and liquid storage device thereof Expired - Fee Related CN102961804B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201210502545.3A CN102961804B (en) 2012-11-30 2012-11-30 Injector capable of repeatedly using boosting device and liquid storage device thereof
PCT/CN2013/074055 WO2014082412A1 (en) 2012-11-30 2013-04-11 Syringe capable of repeatedly using drive device, and liquid storage device thereof

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CN201210502545.3A CN102961804B (en) 2012-11-30 2012-11-30 Injector capable of repeatedly using boosting device and liquid storage device thereof

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CN102961804B CN102961804B (en) 2014-06-25

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WO2014082412A1 (en) * 2012-11-30 2014-06-05 电白县康尔美生物科技有限公司 Syringe capable of repeatedly using drive device, and liquid storage device thereof
CN106641245A (en) * 2015-10-30 2017-05-10 罗凤玲 Piston rod connector and machining method thereof
CN110090336A (en) * 2019-05-31 2019-08-06 安徽宏宇五洲医疗器械股份有限公司 Disposable family of four syringe
CN111888796A (en) * 2020-07-17 2020-11-06 中国水产科学研究院 Reusable purification device

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