CN103143081B - Improved multi-cavity injection syringe - Google Patents
Improved multi-cavity injection syringe Download PDFInfo
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- CN103143081B CN103143081B CN201210131616.3A CN201210131616A CN103143081B CN 103143081 B CN103143081 B CN 103143081B CN 201210131616 A CN201210131616 A CN 201210131616A CN 103143081 B CN103143081 B CN 103143081B
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Abstract
The invention provides a multi-cavity injection syringe which is used for body injection, provided with independent drug tubes and mixes drugs in a puncture device, and belongs to the technical field of medical appliances. The improved multi-cavity injection syringe comprises a push rod fixed disc, an injection push rod, a pinch plate, an outer layer injection tube, the puncture device, the independent drug tubes, a needle head, a lower movable needle cover and an upper movable cover, wherein the internal space of the outer layer injection tube is divided into a plurality of cavities, an annular convex structure is respectively arranged outside the upper end and the lower end of the outer layer injection tube, the independent drug tubes can be respectively arranged in the cavities, the pinch plate can be clamped on the convex structure on the upper end in a rotating way, and the puncture device can be pushed and clamped into the convex structure on the lower end. Drugs to be mixed are respectively arranged in the independent drug tubes in a separating way, so that the filling feasibility is better, and the application time on a battlefield can be maximally reduced. The liquor sealing performance is good, the safety and hygiene can be guaranteed by adopting the closed-type needle head; and the push rod can be of a whole and also can be divided into an upper section and a lower section, so that simplicity in assembling and convenience in injection can be realized, each drug tube can be repeatedly used, and rapidness in injection can be realized while rapidness in mixing is realized.
Description
Technical field
The invention belongs to technical field of medical instruments, be specifically related to one and can be used for human injection, mixing in medicament cartridge independence, lancing device, injection syringe with multi-cavity chamber.
Background technology
In modernized war, the use probability of chemical weapons is maximum, several hybrid medicine of poisoning needs of current chemical weapons detoxifies, the injection product of current existing antidote mostly is single medicine, or two kinds of compound medicines, complete removing toxic substances injection can only a kind of inject and inject another kind again, delayed the first aid to gas casualty in war situation like this, impel neurotoxic substances in 1-2 minute, cause the probability of gas casualty's death rapidly greatly to increase.Therefore, when chemical weapons war occurs, soldier needs complete in a kind of 1-2 minute the injection of saving oneself and rescuing mutually.At present, compound injection because of stability bad, 2-4 syringe is needed to inject successively during treatment injection, the injection so not only causing gas casualty is painful, the more important thing is and delay therapeutic time, particularly in high intensity operations system, the injection successively of first aid medicine cannot meet the needs for the treatment of, in order to fight for life with Death, shorten therapeutic time as much as possible, and solve a stability difficult problem for compatibility of drugs, NATO, Holland, the countries such as the U.S. continue and have developed multi-compartment syringe mutually, to mix atropine, obidoxime chloride, stable grade gives treatment to medicament, Geng You Britain, Belgium, the states such as Luxembourg have developed the injection type loading powder pin, but these multi-chamber barrel chamber very little, needle cylinder structure is complicated, use procedure is complicated, can not use in this special occasions of war.
Existing patent 200920000074.X, 200820136184.4 describe two kinds of injection syringe with multi-cavity chamber.
Application number is that the patent of 200920000074.X relates to a kind of mixing for human injection, injection syringe with multi-cavity chamber, comprise needle tubing, injection rod, syringe needle, needle tubing interior lower end has medicament chamber, medicament chamber by baffle shaft to being separated into multiple chamber, medicament chamber upper end is flexibly connected by piston seal, lower end is by underseal fixing seal, injection rod is arranged on syringe top, front end contacts with piston upper surface, there is medicine outlet syringe lower end, medicine outlet is provided with broken seal device, broken seal device is by inner, outer two cylinders composition, outside cylinder is connected with syringe air-tight movable, in cylinder be hollow and together with being spun on outside cylinder by external screw thread, in cylinder upper end have edge in zigzag, pinhead sleeve is in outside cylinder, this programme utilizes soft dividing plate to separate the medicament of several needs mixing, broken seal device is utilized to be cut medicament cartridge bottom during use, promote injection rod injection again, simple and convenient, reach one side rapid mixing while the object of injection, for preventing the unexpected situation pressing injection rod, injection rod and top cover are fastened togather, piston intermediate groove can locating injection bar, make even piston stress, avoid leakage of medicament, this programme at utmost can to reduce on battlefield antidote service time.
Application number be 200820136184.4 patent relate to a kind of medical apparatus and instruments, be specifically related to a kind of mixing for human injection, injection syringe with multi-cavity chamber, in injection tube, activity medicament cartridge can be installed, medicament cartridge has from top to bottom by top cover, base plate and middle three dividing plates separate and the chamber of seal four band medicaments, there is axostylus axostyle the inside of medicament cartridge, middle three dividing plates are fixedly connected with axostylus axostyle, axostylus axostyle top has shape to be the axle cap of prismatic, axle cap is provided with draw ring, injection rod bosom is hollow pipe, hollow pipe inside is provided with pulling shaft spring, pulling shaft spring one end is connected the other end and is connected with axostylus axostyle axle cap top draw ring with hollow pipe top cover, the female through hole in injection tube lower end, band externally threaded siphunculus is installed in through hole, syringe needle is arranged on siphunculus, siphunculus one end in injection tube is tip shape, this technical scheme utilizes baffle for separating to form multiple chamber, multiple composite drug can be mixed, reduce the volume of syringe, be easy to carry, adopt closed syringe needle, ensure that safety and health, the medicament cartridge that utilization can be changed at any time, make a syringe just can complete multiple injection work, and different confection cylinders can be installed for different situations, service time on maximum minimizing battlefield.
The common ground of above-mentioned two patents is that medicinal liquid premix need be filled into syringe by medicinal liquid while preparing apparatus, but premix assembling device is less both at home and abroad at present, existing apparatus manufacturer cannot meet medicine fill, pharmaceutical production producer cannot meet the production of apparatus, therefore realizes overall premix fill comparatively difficult.
Summary of the invention
The object of the invention is to provide a kind of structure improving multi-cavity injection syringe, improvement is for independent medicament cartridge syringe is better to apply, utilize independent medicament cartridge to carry out several medicament needing mixing of subpackage, fill realizability is better, farthest can reduce the service time on battlefield.This programme medicinal liquid good seal, adopt closed syringe needle to ensure that safety and health, push rod can be entirety, can be divided into two sections, and simple during assembling, injection is convenient, and medicament cartridge is reusable, reaches the object of rapid mixing one side fast injection.
For achieving the above object, the technical scheme that the present invention takes is:
A multi-cavity injection syringe for improvement, described syringe axially sets gradually the downward upper removable cover of lid mouth, outer injection tube and lid mouth lower active pointer lid upwards along syringe, described syringe comprises: be positioned at described upper removable cover blind end and push rod fixed disk in parallel, the injection putter vertical with described fixed disk, be positioned at the buckle that described upper removable cover opening is parallel with described fixed disk, the outer injection tube of the parallel described buckle of upper and lower surface difference, the top of described outer injection tube is connected with described buckle, with the lancing device of described outer injection tube coaxial line, described lancing device is connected with the bottom of described outer injection tube, be installed on the syringe needle of described lancing device bottom and lancing device coaxial line, the cylindrical lower active pointer lid that lid mouth upward opening end is connected with described lancing device, described lower active pointer cap seal closed end plane is parallel to described upper removable cover blind end surface, its improvements are:
Described syringe comprises and is positioned at the inner axially parallel independent medicament cartridge of described outer medicament cartridge;
Described outer injection tube comprises the cavity volume that be arranged axial with it and is positioned at described outer injection tube two ends and axially vertical annular protrusion, described annular protrusion is toroidal, described annular protrusion is disc-shape, the upper surface of described cavity volume is concordant with described annular protrusion upper surface, the lower surface of described cavity volume is fixed on the card of described annular protrusion, described cavity volume lower surface is provided with the perforate with described cavity volume concentric, the outer rim of described annular protrusion is provided with the groove block that be positioned at described inside grooves concordant with described annular protrusion upper surface with upper surface of axially through described annular protrusion, the outer rim of described annular protrusion is provided with the groove block that be positioned at described inside grooves concordant with the lower surface of described annular protrusion with lower surface of axially through described projection,
Described push rod fixed disk and injection putter are an entirety, and injection putter lower end can push described cavity volume, and described independent medicament cartridge can put into described cavity volume;
Described lancing device along lancing device axially set gradually radially extend inside axle fixture block, to be horizontally disposed with described fixture block interconnective hollow pinhead and hollow needle stand, the projection that radially extends outside axle, be positioned at protruding below cylindrical medicine outlet;
Described syringe needle is connected with described lancing device by medicine outlet.
Another optimal technical scheme of the present invention is: described cavity volume two ends are mutually through, and described block is annular protrusion thickness along the thickness of outer injection tube axis
described block annularly protruding circumferential width is groove annularly protruding circumferential width
described block is annular protrusion thickness along the thickness of outer injection tube axis
described block annularly protruding circumferential width is groove annularly protruding circumferential width
the diameter of described perforate is less than the diameter of described cavity volume, and described perforate runs through described annular protrusion vertically, and described perforate and described hollow pinhead are equipped with.
Another optimal technical scheme of the present invention is: described buckle is the tube structure without upper cover, buckle cover position is provided with the manhole with described buckle concentric, the barrel position of buckle is provided with the groove axially running through buckle, inside described barrel, buckle projection is set with described groove adjacent, the upper surface of described buckle projection is concordant with barrel upper surface, and described buckle projection is barrel height along the thickness of buckle axis
the diameter of described manhole is more than or equal to the diameter of described push rod fixed disk, and described buckle and described annular protrusion link closely by described buckle projection and block.
An optimal technical scheme more of the present invention is: described injection putter is hollow structure or solid construction, and the shape of injection putter cross section is equilateral triangle or right angled triangle.
An optimal technical scheme more of the present invention is: described outer injection tube and lancing device are linked closely by annular protrusion and fixture block.
An optimal technical scheme more of the present invention is: described independent medicament cartridge comprises at the bottom of stack shell, the nozzle at described stack shell two ends and cylinder, and described stack shell is hollow circuit cylinder, and described nozzle is sealed by Jiao Gai, is sealed at the bottom of described cylinder by plug; Diameter at the bottom of the little cylinder of described nozzle diameter.
An optimal technical scheme more of the present invention is: described injection putter lower end is provided with the projection extended outside axle along injection putter radial direction, and described projection diameter is less than or equal to the diameter of plug.
An optimal technical scheme more of the present invention is: described nozzle diameter is greater than described opening diameter, and nozzle is positioned at the bottom of described cavity volume, is positioned at the top of described cavity volume at the bottom of cylinder.
An optimal technical scheme more of the present invention is: described lower active pointer cover gab end is provided with the lower active pointer lid non-slipping block, the telescopic direction that extend inside its axle along lower active pointer lid radial direction and is parallel to the compression spring of described lower active pointer lid axis and is positioned at the needle outlet at described lower active pointer cap seal closed end axle center place, and described lower active pointer lid non-slipping block and protruding clamping can realize the connection of lower active pointer lid and described lancing device.
An optimal technical scheme more of the present invention is: described upper removable cover opening is provided with the upper removable cover non-slipping block extended inside its axle along upper active pointer lid radial direction, and described upper removable cover non-slipping block can realize the connection of buckle and upper removable cover.
Owing to have employed technique scheme, compared with prior art, beneficial effect of the present invention comprises:
1) sealing of medicament and good stability
Adopt independent medicament cartridge liquid drug, this independent medicament cartridge is hard plastic material, is hollow cylindrical, at the bottom of nozzle is less than tin, is sealed by special plug at the bottom of cylinder, now can be filled into required medicinal liquid, nozzle is lived by glue cap seal, adopts aluminium lid Zha Gai, ensures the sealing of medicinal liquid and stablizes.
2) medicament premix is convenient
The present invention program adopts independent medicament cartridge form, by pharmaceutical premixed enter independent medicament cartridge, outer injection tube is assembled into after aluminium lid or other material gland seals, upwardly lancing device snaps in outer injection tube, make lancing device punctures independence medicament cartridge chewing gum lid, independent medicament cartridge inner liquid medicine flows into lancing device inherent drug through hole mixing by syringe needle, reach the object of rapid mixing fast injection, medicament independence subpackage is adopted to solve the bottleneck of premix difficulty, sealed syringe needle is adopted to ensure that safety and health, this programme can at utmost fight for emergency time on battlefield.
3) assembling is simple, injection is convenient
Push rod can be entirety, can be divided into two sections, and simple during assembling, injection is convenient, and medicament cartridge is reusable, reaches the object of rapid mixing one side fast injection.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described.
Fig. 1 multi-cavity injection syringe structural representation;
The outer injection tube structural representation of Fig. 2;
Fig. 3 buckle structure schematic diagram;
Fig. 4 lancing device structural representation;
Fig. 5 independence medicament cartridge structural representation;
Syringe state structural representation during Fig. 6 storage of pharmaceutical;
Reference numeral:
1-push rod fixed disk, 2-injection putter, 2-1-push rod projection, 3-buckle, 3-1-manhole, 3-2-groove, 3-3-buckle projection, the outer injection tube of 4-, 4-1-cavity volume, 4-2-annular protrusion, 4-3-groove, 4-4-block, 4-5-annular protrusion, 4-6-groove, 4-7-perforate, 4-8-block, 5-lancing device, 5-1-medicine outlet, 5-2-needle stand, 5-3-fixture block, 5-4-syringe needle, 5-5-lancing device projection, 6-independence medicament cartridge, 6-1-stack shell, 6-2-nozzle, at the bottom of 6-3-cylinder, 6-4-independence medicament cartridge primer plug, 6-5-independence medicament cartridge chewing gum lid, 7-syringe needle, active pointer lid under 8-, active pointer lid non-slipping block under 8-1-, 8-2-compression spring, 8-3-needle outlet, the upper removable cover of 9-, the upper removable cover non-slipping block of 9-1-.
Detailed description of the invention
Below in conjunction with example, the present invention will be described in detail.
The invention provides a kind of more easily realize, can various medicaments be injected simultaneously human body can independent subpackage, syringe needle place mixing, multiple independent medicament cartridge syringe.Adopt independent medicament cartridge liquid drug, this independent medicament cartridge is hard plastic material, is hollow cylindrical, at the bottom of nozzle is less than tin, is sealed by special plug at the bottom of cylinder, now can be filled into required medicinal liquid, nozzle is lived by glue cap seal, adopts aluminium lid Zha Gai, ensures the sealing of medicinal liquid and stablizes.
Multi-cavity injection syringe of the present invention, comprises push rod fixed disk 1, injection putter 2, buckle 3, outer injection tube 4, lancing device 5, independent medicament cartridge 6, syringe needle 7, lower active pointer lid 8 and upper removable cover 9.
Be divided into multiple cavity volume 4-1 in outer injection tube 4, there is annular protrusion 2 outside, upper end, and there is annular protrusion 4-5 outside, lower end.Independent medicament cartridge 6 can put into cavity volume 4-1, and buckle 3 is rotatable to be positioned on annular protrusion structure 4-2, and lancing device 5 can advance and snap in annular protrusion structure 4-5, and push rod 2 and push rod fixed disk 1 are an entirety, and cavity volume 4-1 can be put in push rod 2 lower end.Multiple cavity volume 4-1 two ends communicate, and cavity volume 4-1 lower end perforate 4-7 diameter is little compared with the diameter of cavity volume 4-1.
Upper end annular bulge-structure 4-2 has multiple groove 4-3, and there is protruding link stopper 4-4 groove 4-3 inside.
Lower end annular bulge-structure 4-5 has multiple groove 4-6, and in groove 4-6, there is block 4-8 lower end.
Buckle 3 has a manhole 3-1, and manhole 3-1 diameter is more than or equal to the diameter of push rod fixed disk 1, and there is multiple groove 3-2 at buckle 3 edge, and there is projection 3-3 groove 3-2 inside, and buckle 3 can be made to rotate afterwards for projection 3-3 and annular protrusion structure 42 links closely.
The diameter of push rod fixed disk 1 is less than outer injection tube 4, and push rod fixed disk 1 and push rod 2 are an entirety.
There is protruding 2-1 push rod 2 lower end, and protruding 2-1 diameter is less than or equal to independent medicament cartridge primer plug 6-4.
Lancing device 5 comprises medicine outlet 5-1, needle stand 5-2, fixture block 5-3, syringe needle 5-4, lancing device projection 5-5, medicine outlet 5-1 can be entangled by syringe needle 7, syringe needle 5-4 is bonded on needle stand 5-2, and fixture block 5-3 can promote to snap on groove 4-6, and lancing device projection 5-5 can block lower active pointer lid 8.
Independent medicament cartridge 6 is made up of 6-3, independent medicament cartridge primer plug 6-4, independent medicament cartridge chewing gum lid 6-5 at the bottom of stack shell 6-1, nozzle 6-2, cylinder, stack shell 6-1 is hollow cylindrical, a 6-3 diameter at the bottom of nozzle 6-2 diameter is less than tin, nozzle 6-2 is sealed by independent medicament cartridge chewing gum lid 6-5, adopt aluminium lid Zha Gai, 6-3 at the bottom of cylinder is sealed by independent medicament cartridge primer plug 6-4.
Lower active pointer lid 8 have the lower active pointer lid non-slipping block 8-1 that can prevent removable cover 8 from coming off foremost, in lower active pointer lid 8, be provided with compression spring 8-2, removable cover 8 front end has needle outlet 8-3.
Upper removable cover 9 have the upper removable cover non-slipping block 9-1 that can prevent removable cover 9 from coming off foremost.
Be isolated into multiple cavity volume 4-1 by hard material in outer injection tube stack shell of the present invention, lower end can snap in hollow lancing device 5, and lancing device 5 has hollow pinhead 5-4, medicine outlet 5-1, syringe needle 7 can be arranged on medicine outlet 5-1.
Syringe of the present invention can have following several technical scheme:
Injection putter 2 bottom ringless-type is protruding.
Injection putter 2 can be hollow structure, can be solid, can be the arbitrary forms such as framework.
Push rod fixed disk 1 and push rod 2 can be independently two parts, push rod fixed disk 1 is removable is divided into chassis, screens dish 2 parts, chassis there is projection, the position of screens dish corresponding chassis projection there is depression, protrusion platform is had above push rod 2, projecting platform can snap in screens dish depression, makes screens dish block chassis projection to connect push rod fixed disk 1 and push rod 2 by rotating screens dish.
Push rod 2 can be divided into two sections, and hypomere is hollow structure, and its shape can be equilateral triangle, rectangular column but few, fixedly makes it not deviate from by buckle 3; Epimere and push rod fixed disk 1 are linked as entirety, push rod 2 is T-shaped, hypomere open tubular column can be put into, its "T"-shaped "-" structure can be spliced into complete equilateral triangle, rectangular column with hypomere push rod, and be slightly wider than the scarce limit of triangle, rectangular column, during storage of pharmaceutical, injection putter 2 shrinks in outer medicament cartridge, relies on push rod fixed disk 1 projection to be fixed on buckle 3.4 push rod epimeres can be pushed to side when injection prepares simultaneously and upwards mention, to run on outer injection tube after buckle 3, pull epimere push rod 2 to translation of tossing about, make the "T"-shaped framework of epimere push rod prop up the hollow posts of hypomere push rod, now promote push rod downwards and can realize injection.This prioritization scheme can reduce the volume of syringe, preferably sealing push rod 2.
This programme utilizes independent medicament cartridge to carry out several medicament needing mixing of subpackage, fill realizability is better, medicinal liquid good seal, adopt closed syringe needle to ensure that safety and health, push rod 2 can be entirety, two sections can be divided into, simple during assembling, injection is convenient, and medicament cartridge is reusable, reach the object of rapid mixing one side fast injection on one side, this programme farthest can reduce the service time on battlefield.
The operating process of multi-cavity injection syringe is as follows:
The encapsulation of medicament:
As Fig. 1 syringe overall structure schematic diagram, shown in the outer injection tube structural representation of Fig. 2 and Fig. 5 independence medicament cartridge structural representation, independent medicament cartridge 6 adopts organic medical rigid material, can be organic material, glass etc., cylinder end 6-3 is sealed up by independent medicament cartridge primer plug 6-4, and after medicine liquid irrigation loads independent medicament cartridge 6, nozzle 6-2 is sealed by independent medicament cartridge chewing gum lid 6-5, now use aluminium lid Zha Gai, form the medicament of good seal.
The storage of medicament:
Independent medicament cartridge good for fill is put into cavity volume 4-1 from outer injection tube 4 upper end, push rod 2 lower end aligned independence medicament cartridge primer plug 6-4 is put into cavity volume 4-1.
As shown in Figure 3, manhole 3-1 on buckle 3 is avoided push rod fixed disk 1, detain projection 3-3 simultaneously from above and avoid annular bulge-structure 4-2 on outer injection tube 4, snap in groove 4-3, by rotating buckle 3, buckle 3 is closely buckled on the annular bulge-structure 4-2 of upper end, now because manhole 3-1 diameter more outer injection tube 4 on buckle 3 is little, independent medicament cartridge 6 and push rod 2 can be made not to skid off in cavity volume 4-1.
As shown in Figure 1, upper removable cover non-slipping block 9-1 on upper removable cover 9 is aimed at buckle 3 upper groove 3-2, be forced through removable cover 9 by groove 3-2, now rotate upper removable cover 9, removable cover non-slipping block 9-1 is made to block outer injection tube 4 upper end annular projective structure 4-2, fix push rod 2 and push rod fixed disk 1 while closing, anti-throw-out lever 2 damages in medicament storage process.
As Fig. 2,4, shown in 5, make fixture block 5-3 on lancing device 5 avoid the block 4-8 of lower end in groove 4-6, suitably promote lancing device 5, fixture block 5-3 is made to snap in groove 46 1 segment distance, rotating lancing device 5 makes fixture block 5-3 be stuck on block 4-8, and now syringe needle 5-4 does not sting glue lid 6-5, the medicine outlet through hole 5-1 of connecting needle 7 on lancing device 5, the lower active pointer lid 8 of assembling, makes lower active pointer lid 8 projection 8-1 be stuck on protruding 5-5.
The premix of medicament and injection:
As Fig. 1, shown in 6, upwardly lancing device 5 during use, make fixture block 5-3 completely by groove 4-6, be stuck on annular protrusion structure 4-5, syringe needle 54 is allowed to pierce through independent medicament cartridge chewing gum lid 6-5, now promote upper removable cover 9 downwards, each independent medicament cartridge 6 herb liquid flows in lancing device 5 through hollow pinhead 5-4, mix at medicine outlet through hole 5-1 place, active pointer lid 8 bottom-up slips of syringe lower end while removable cover 9 in downward promotion, injection needle 7 out lunges skin from the needle outlet 8-3 of removable cover 8 front end, complete whole injection process thus.
According to specific exemplary embodiment, invention has been described herein.It will be apparent under not departing from the scope of the present invention, carrying out suitable replacement to one skilled in the art or revise.Exemplary embodiment is only illustrative, instead of the restriction to scope of the present invention, and scope of the present invention is defined by appended claim.
Claims (8)
1. the multi-cavity injection syringe improved, described syringe axially sets gradually the downward upper removable cover (9) of lid mouth, outer injection tube (4) He Gaikou lower active pointer lid (8) upwards along syringe, described syringe comprises: be positioned at described upper removable cover (9) blind end and push rod fixed disk (1) in parallel, the injection putter (2) vertical with described fixed disk (1), be positioned at the buckle (3) that described upper removable cover (9) opening is parallel with described fixed disk (1), the described outer injection tube (4) of the parallel described buckle (3) of upper and lower surface difference, the top of described outer injection tube (4) is connected with described buckle (3), with the lancing device (5) of described outer injection tube (4) coaxial line, described lancing device (5) is connected with the bottom of described outer injection tube (4), be installed on the syringe needle (7) of described lancing device (5) bottom and lancing device (5) coaxial line, the columniform described lower active pointer lid (8) that lid mouth upward opening end is connected with described lancing device (5), described lower active pointer lid (8) blind end plane is parallel to described upper removable cover (9) blind end surface, it is characterized in that:
Described syringe comprise be positioned at described outer injection tube (4) inner and with described outer injection tube (4) axially parallel independent medicament cartridge (6);
Described outer injection tube (4) comprises the cavity volume (4-1) that be arranged axial with it and is positioned at described outer injection tube (4) two ends and axially vertical annular protrusion (4-2,4-5), described annular protrusion comprises the first annular protrusion (4-2) and the second annular protrusion (4-5), described first annular protrusion (4-2) is toroidal, described second annular protrusion (4-5) is disc-shape, the upper surface of described cavity volume (4-1) is concordant with described first annular protrusion (4-2) upper surface, the lower surface of described cavity volume (4-1) is fixed on the card of described second annular protrusion (4-5), described cavity volume (4-1) lower surface is provided with the perforate (4-7) with described cavity volume (4-1) concentric, the outer rim of described first annular protrusion (4-2) is provided with the first groove (4-3) first block (4-4) of being positioned at described first groove (4-3) inside concordant with described first annular protrusion (4-2) upper surface with upper surface of axially through described first annular protrusion (4-2), the outer rim of described second annular protrusion (4-5) is provided with the second groove (4-6) second block (4-8) of being positioned at described second groove (4-6) inside concordant with the lower surface of described second annular protrusion (4-5) with lower surface of axially through described second annular protrusion (4-5),
Described push rod fixed disk (1) and injection putter (2) are an entirety, injection putter (2) lower end can push described cavity volume (41), and described independent medicament cartridge (6) can put into described cavity volume (41);
Described lancing device (5) along lancing device (5) axially set gradually radially extend inside axle fixture block (5-3), to be horizontally disposed with interconnective hollow pinhead (5-4) and hollow needle stand (5-2), the projection (5-5) radially extended outside axle with described fixture block (5-3), to be positioned at the cylindrical medicine outlet (5-1) of projection (5-5) below;
Described syringe needle (7) is connected with described lancing device (5) by medicine outlet (5-1);
Described cavity volume (4-1) two ends are mutually through, and described first block (4-4) is the first annular protrusion (4-2) thickness along thickness that outer injection tube (4) is axial
described first block (4-4) is the first groove (4-3) along the first annular protrusion (4-2) circumferential width along the first annular protrusion (4-2) circumferential width
described second block (4-8) is the second annular protrusion (4-5) thickness along thickness that outer injection tube (4) is axial
described second block (4-8) is the second groove (4-6) along the second annular protrusion (4-5) circumferential width along the second annular protrusion (4-5) circumferential width
the diameter of described perforate (4-7) is less than the diameter of described cavity volume (4-1), described perforate (4-7) runs through described second annular protrusion (4-5) vertically, and described perforate (4-7) and described hollow pinhead (5-4) are equipped with;
Described buckle (3) is the tube structure without upper cover, buckle (3) cover position is provided with the manhole (3-1) with described buckle (3) concentric, the barrel position of buckle (3) is provided with the 3rd groove (3-2) axially running through buckle (3), inside barrel, buckle projection (3-3) is set with described 3rd groove (3-2) adjacent, the upper surface of described buckle projection (3-3) is concordant with barrel upper surface, and described buckle projection (3-3) is barrel height along thickness that buckle (3) is axial
the diameter of described manhole (3-1) is more than or equal to the diameter of described push rod fixed disk (1), and described buckle (3) and described first annular protrusion (4-2) link closely by described buckle projection (3-3) and the first block (4-4).
2. the multi-cavity injection syringe of a kind of improvement as claimed in claim 1, it is characterized in that described injection putter (2) is for hollow structure or solid construction, the shape of injection putter (2) cross section is equilateral triangle or right angled triangle.
3. the multi-cavity injection syringe of a kind of improvement as claimed in claim 1, is characterized in that described outer injection tube (4) and lancing device (5) are linked closely by the second annular protrusion (4-5) and fixture block (5-3).
4. the multi-cavity injection syringe of a kind of improvement as claimed in claim 1, it is characterized in that described independent medicament cartridge (6) comprises at the bottom of stack shell (6-1), the nozzle (6-2) at described stack shell (6-1) two ends and cylinder (6-3), described stack shell (6-1) is hollow circuit cylinder, described nozzle (6-2) is sealed by Jiao Gai (6-5), and (6-3) at the bottom of described cylinder is sealed by plug (6-4); (6-3) diameter at the bottom of described nozzle (6-2) diameter is less than tin.
5. the multi-cavity injection syringe of a kind of improvement as claimed in claim 4, it is characterized in that described injection putter (2) lower end is provided with the second projection (2-1) extended outside axle along injection putter (2) radial direction, described second projection (2-1) diameter is less than or equal to the diameter of plug (6-4).
6. the multi-cavity injection syringe of a kind of improvement as claimed in claim 4, it is characterized in that described nozzle (6-2) diameter is greater than described perforate (4-7) diameter, nozzle (6-2) is positioned at the bottom of described cavity volume (4-1), and at the bottom of cylinder, (6-3) is positioned at the top of described cavity volume (4-1).
7. the multi-cavity injection syringe of a kind of improvement as claimed in claim 1, it is characterized in that described lower active pointer lid (8) opening is provided with the lower active pointer lid non-slipping block (8-1) extended inside its axle along lower active pointer lid (8) radial direction, telescopic direction is parallel to the axial compression spring (8-2) of described lower active pointer lid (8) and is positioned at the needle outlet (8-3) at described lower active pointer lid (8) blind end axle center place, described lower active pointer lid non-slipping block (8-1) and protruding (5-5) clamping can realize the connection of lower active pointer lid (8) and described lancing device (5).
8. the multi-cavity injection syringe of a kind of improvement as claimed in claim 1, it is characterized in that described upper removable cover (9) opening is provided with the upper removable cover non-slipping block (9-1) extended inside its axle along upper removable cover (9) radial direction, described upper removable cover non-slipping block (9-1) can realize the connection of buckle (3) and upper removable cover (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210131616.3A CN103143081B (en) | 2012-04-28 | 2012-04-28 | Improved multi-cavity injection syringe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210131616.3A CN103143081B (en) | 2012-04-28 | 2012-04-28 | Improved multi-cavity injection syringe |
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| CN103143081A CN103143081A (en) | 2013-06-12 |
| CN103143081B true CN103143081B (en) | 2015-01-21 |
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| CN201210131616.3A Expired - Fee Related CN103143081B (en) | 2012-04-28 | 2012-04-28 | Improved multi-cavity injection syringe |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103751887B (en) * | 2014-01-30 | 2016-05-25 | 中国人民解放军第三军医大学第三附属医院 | A kind of split type multi-cavity injection device |
| US20200030524A1 (en) * | 2017-04-12 | 2020-01-30 | Nemoto Kyorindo Co., Ltd. | Chemical liquid injector |
| CN107802493A (en) * | 2017-11-23 | 2018-03-16 | 中国人民解放军陆军军医大学第二附属医院 | A kind of syringe |
| TWI717616B (en) * | 2018-06-27 | 2021-02-01 | 鐸康股份有限公司 | Double cavity injection device |
| CN109224267B (en) * | 2018-10-31 | 2024-04-05 | 中国医学科学院北京协和医院 | Tissue adhesive injection device for treating rupture of varicose vein at the fundus of the stomach |
| CN109481789B (en) * | 2018-12-30 | 2021-05-14 | 苏州巴涛信息科技有限公司 | Medicine syringe for muscle |
| CN111544700A (en) * | 2019-10-28 | 2020-08-18 | 华中科技大学同济医学院附属协和医院 | Quick dispensing injection device |
| CN112933344B (en) * | 2021-01-27 | 2023-04-25 | 桂林市中西医结合医院 | Injection device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4021809A1 (en) * | 1989-07-08 | 1991-02-28 | Gesine Hirsch | Injecting syringe |
| CN101439210A (en) * | 2009-01-05 | 2009-05-27 | 中国人民解放军第三军医大学第二附属医院 | Medical injection syringe with multi-cavity chamber |
| CN101489606A (en) * | 2006-07-19 | 2009-07-22 | 马林克罗特公司 | Radiation shielded syringe assembly and uses thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7935086B2 (en) * | 2006-12-14 | 2011-05-03 | L M M Global Innovations, Inc. | Multiple drug injection apparatus |
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2012
- 2012-04-28 CN CN201210131616.3A patent/CN103143081B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4021809A1 (en) * | 1989-07-08 | 1991-02-28 | Gesine Hirsch | Injecting syringe |
| CN101489606A (en) * | 2006-07-19 | 2009-07-22 | 马林克罗特公司 | Radiation shielded syringe assembly and uses thereof |
| CN101439210A (en) * | 2009-01-05 | 2009-05-27 | 中国人民解放军第三军医大学第二附属医院 | Medical injection syringe with multi-cavity chamber |
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| CN103143081A (en) | 2013-06-12 |
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