CN200954294Y

CN200954294Y - Rotary water-powder medicine instant-mixing automatic injector

Info

Publication number: CN200954294Y
Application number: CN 200620079616
Authority: CN
Inventors: 王新明; 靳纯青; 刘岩
Original assignee: ZHONGSHAN BOTAI MEDICAL INSTRUMENT CO Ltd
Current assignee: ZHONGSHAN BOTAI MEDICAL INSTRUMENT CO Ltd
Priority date: 2006-08-22
Filing date: 2006-08-22
Publication date: 2007-10-03
Anticipated expiration: 2016-08-22

Abstract

The utility model relates to an automatic rotary injector with instant mixing of water and powder, which is composed of a menstruum bottle (16) and a solute bottle (8), which are arranged on the same shaft in identical direction, the menstruum bottle (16) is communicated with the solute bottle (8) by a through needle, the utility model is characterized in that: a medicine mixing sleeve (2) provided with the menstruum bottle (8) and the injector body (25) provided with the menstruum bottle (16) and a triggering sleeve (34) with a trigger are all connected with a medium axis (29), and the medicine sleeve and the triggering sleeve (34) are connected with the injector body respectively through opposing rotation. The pre-poured liquid menstruum with internal pressure is sealed in the menstruum bottle, and powder injection or liquor injection are hold in the menstruum bottle, the medicine sleeve and the triggering sleeve are coupled with the injector body through the axis. The utility model is to implement automatic medicine mixing and automatic injection, especially to medical or non-medical first-aid.

Description

The medicine instant-mixed automatic injector of rotary pigment

Technical field

This utility model relates to a kind of injector for medical purpose, the medicine instant-mixed automatic injector of rotary pigment of particularly a kind of pre-embedding injectable powder medicine and liquid vehicle.

Background technology

In recent years, many deficiencies that the applicant exists at traditional injection operation program and on the structure of syringe, carried out significant improvement, and applied for multinomial domestic and international patent.In these patents.Their structure has all embodied different functions and superiority separately, but the syringe that is used for fast automatic injection in emergency circumstances is less, so disclosed syringe can't truly be used for as battlefield self rescue fast injection or meet accident and carry out the actual needs of urgent fast injection in these patents.In addition, in all syringes, the automatic injector that uses under wartime or other emergencies of being used for of injectable powder did not also appear using, so that have the automatic injection that the injectable powder medicine of good curative effect can not be used for urgent rescue in a large number, the advantage of these medicines can not be found full expression.Adopt conventional syringe to inject and then mix medicine, loaded down with trivial details, the medicine vulnerable to pollution of feeding operations, be not suitable for the injection that urgent rescue and self rescue are carried out in non-medical space especially.

Summary of the invention

The technical problems to be solved in the utility model is for overcoming the deficiency that existing injector for medical purpose exists, and the operation sequence before providing can simplify injection, avoid drug contamination, have automatic inserting needle and push away the medicine function, and can be applicable to the medicine instant-mixed automatic injector of rotary pigment in non-medical space fast injection and urgent rescue.

The technical solution that realizes above-mentioned purpose is: in be equipped with the solvent bottle mixed medicine cover and in be equipped with the solute bottle syringe body and in percussion lock is housed the percussion cover all is connected with an axis, and alternately dock with syringe body respectively by relatively rotating mixed medicine to be overlapped and pull the trigger to overlap.

Its further technical solution is: mixed medicine cover, syringe body, percussion cover are connected on the axis by the axle sleeve that is connected with self respectively.Be with spring in solvent bottle outside, a card medicated cap and a spring end face that cooperates with the solvent bottle offsets.A ring of cutting with annular blade is equipped with at step place in syringe body, and this blade of cutting ring contacts with company's muscle of screening glass.

Described percussion lock is made of firing button, back-moving spring, percussion medicated cap, stage clip, pressure pipe, locating ring, injection putter, telescopic, injection putter spring, wherein, the percussion medicated cap links to each other with percussion cover, and firing button penetrates pulls the trigger in the medicated cap, and back-moving spring and firing button offset;

Pressure pipe, locating ring, the socket successively of injection putter ecto-entad in the described percussion cover.The outwardly directed grab in pressure pipe upper end cooperates with the annular table of upside in the percussion cover.Injection putter top is opening elastic fastening hook structure, the injection putter spring in locating ring, push up and the injection putter step between.

By above technical solution as can be seen this utility model overcome the deficiencies in the prior art fully, structurally have and very significantly innovate part, also have the following advantages:

1, the medicine instant-mixed type automatic injector of these rotary pigment collection solvent, solute and syringe are one, injection preceding mixed medicine and feeding operations are simplified, omitted the feeding operations before the injection, can shorten the time before injecting, thereby significantly improve work efficiency.

2, based on above-mentioned same reason, the medicine instant-mixed type automatic injector of these rotary pigment carries out the mixed medicine feeding operations before the injection fully in syringe inside, operate more simple, the pollution of effectively having avoided the use conventional syringe to mix the medicine feeding operations and may having caused, not only be suitable for hospital and use, be more suitable for non-medical space use in field, battlefield etc.

3, the resilient push structure of the medicine instant-mixed type automatic injector of these rotary pigment uniqueness makes it more possess automatic inserting needle and automatic function of injection, and this has more Practical significance for urgent rescue and battlefield self rescue.

4, the medicine instant-mixed type automatic injector of these rotary pigment not only uses simple and fast, and is easy to carry, and has the value on the industry really, is suitable for industrial circle and extensively promotes the use of.

5, this utility model is on the practicality and cost benefit of structural design, use, really it is required to meet industry development fully, and disclosed structure is unprecedented innovative design, it had not both seen any publication, do not see more that before application that the same structure feature is arranged is known, formerly public, and also not seeing on the market has similar products like, and promptly not seeing in like product has similar structural design to publish or use, and has novelty really.

6, structure of the present invention has more technological progress than existing injector for medical purpose really, and its particular structure feature and function are far from existing injector for medical purpose and can compare, more existing injector for medical purpose has more technical progress, and creative really.

7, the applicant is the specialized company of practical study, design and manufacturing medical apparatus and instruments, researches and develops the existing experience for many years of this series products, quite understands for existing problem of existing injector for medical purpose structure and defective.And this utility model is developed at above-mentioned Study of Defects, and it can reach its intended purposes and effect really, not only really belongs to innovation on the space structure form, and has practicality really.

Description of drawings

Fig. 1 is an original state structural representation of the present utility model.

Fig. 2 mixes medicine status architecture sketch map.

Fig. 3 is percussion cover and syringe body mated condition structural representation.

Structural representation when Fig. 4 is injection.

Fig. 5 is the structural representation that injection finishes.

Fig. 6 is the structural representation of screening glass.

Fig. 7 is a structural representation of cutting ring.

Fig. 8 cuts the structural representation that ring cooperates with screening glass.

The specific embodiment

Good effect in order further to embody technical solution adopted in the utility model and to be produced is described in detail as follows preferred forms of the present utility model, structure, feature and effect thereof below in conjunction with accompanying drawing:

As shown in Figure 1, this utility model mainly is to be made of mixed medicine cover 2, syringe body 25 and percussion cover 34 3 parts, wherein: mix in the medicine cover 2 a solvent bottle 16 is housed, pre-embedding has liquid vehicle in this solvent bottle 16, simultaneously within it in advance with regard to compressed air suits.Be combined with on the rear end of solvent bottle 16 and push away the card medicated cap 1 that handle 13 links to each other; And the bottleneck of front end is socketed with a slippage frame 5 of fixing conducting pin 15 outward, and conducting pin 15 is the hollow structure of two ends band point.A spring 3 encloses and is enclosed within outside the solvent bottle 16, and its upper end offsets with card medicated cap 1 lower edge, and the lower end is then overlapped 2 inner bottom parts with mixed medicine and contacted.A sealing cap 14 spins or is connected to and mixes on the medicine cover 2, and will block medicated cap 1 and push away handle 13 fixing.

A solute bottle 8 is housed in the syringe body 25, and the internal upper part in this solute bottle 8 is provided with a rubber piston 6, and the punch block 10 of entry needle 32 is being fixed in outer one of the socket of the bottleneck of solute bottle 8.Said entry needle 32 also is the hollow structure of two ends band point, and entry needle 32 outsides are with a protective sleeve 11.Be combined with an end socket 12 in the lower end of syringe body 25; syringe body 25 inwalls also are provided with a ring-shaped step; on this step, place one have a circular blade 39 cut ring 30, said blade 39 is upwards and touch company's muscle 36 of the screening glass 9 that is positioned at bottleneck.This screening glass 9 is a circular piece, and the centre is provided with a circular hole that bottleneck is passed through, and the edge of screening glass 9 is the company's of being provided with muscle 36 (referring to Fig. 6) intermittently.When screening glass 9 is under pressure when downward, the blade 39 of cutting ring 30 can connect muscle 36 to cut off, and screening glass 9 is continued downwards in company with solute bottle 8.The upper end of syringe body 25 locating piece 7 that is connected.

Percussion cover 34 interior ecto-entads are socketed with pressure pipe 24, locating ring 20,

injection putter

23 and 27, one percussions of expansion link medicated cap 18 successively and join with percussion cover 34, and the firing button 17 with interior overcoat passes from pulling the trigger in the medicated cap 18.Platform offsets in the overcoat of back-moving spring 19 and firing button 17, and another stage clip 21 bottoms are pressed on the annular table on the pressure pipe 24, and the upper and lower side of a percussion spring 22 offsets with the plane of locating ring 20 and the step place of injection putter 23 respectively.The upper end of said injection putter 23 is the elastomer that has grab, and grab passes locating ring 20 and is hooked on the last plane of locating ring 20.Percussion cover 34 lower ends also are provided with a spacing card 28.

Said mixed medicine cover 2, syringe body 25 and percussion cover 34 are respectively by being fixed on 26,31,35 and axis of axle sleeve, 29 flexible connections from one's body.The axle sleeve 31 that also can be only syringe body 25 is fixedlyed connected with axis 29, flexibly connects with axis 29 and mix medicine cover 2 and pull the trigger cover 34.The axle sleeve 35 that can also be percussion cover 34 is fixedlyed connected with axis 29, flexibly connects and mix medicine cover 2 and syringe body 25 and axis 29.

Shown in Figure 1 is the initiating structure state of this automatic injector.When original state, mix medicine cover 2 and all axially be connected by axis 29 location with syringe body 25.Under this state, spring 3 discharges fully, and solvent bottle 16 is positioned at the extreme higher position, pushes away handle 13 and exposes outside the sealing cap 14, and slippage this moment frame 5 is positioned at extreme lower position, but conducting pin 15 does not make

solvent bottle

16 and 8 conductings of solute bottle.

The piston of being made by medical grade rubber 6 is positioned at the top of solute bottle 8; the company's muscle 36 (referring to Fig. 6) that is stuck in the screening glass 9 of bottleneck is seated on the annular table of syringe body 25 inwalls, cuts the blade 39 of ring on 30 (referring to Fig. 7) this moment and does not cut company's muscle 36 (referring to Fig. 8) on the screening glass 9.And the punch block 10 that is socketed in the bottleneck outer wall is positioned at extreme lower position too, and the plug of bottle mouth position is not thrust in the upper end of entry needle 32 yet.

As shown in Figure 2, when implementing to mix medicine, press and push away handle 13, oppress solvent bottle 16 simultaneously and move downward by card medicated cap 1 pressuring spring 3.When slippage frame 5 props up when mixing medicine and overlapping 2 lower surfaces, because the effect of counteracting force, slippage frame 5 promptly upwards slides along the bottleneck outer wall, and conducting pin 15 upwards pierces through the plug of solvent bottle 16 simultaneously, pierce through the pistons 6 in the solute bottle 8 downwards and make two bottles of conductings.Be medicinal liquid because the effect of preliminary filling Compressed Gas in the solvent bottle 16, liquid vehicle promptly enter the solute bottle 8 interior injectable powder medicine is dissolved by conducting pin 15, realize automatic medicine-mixing.Even apply external force to pushing away handle 13 this moment again, external force is acted on the piston 6, so solute bottle 8 and punch block 10 all can not move downward.After external force was eliminated, spring 3 returned to the original state that discharges fully again by compressive state, and push card medicated cap 1 resets, and drove slippage frame 5 and conducting pin 15 simultaneously and entered into fully and mix in the medicine cover 2.

As shown in Figure 3, when implementing injection, will mix medicine cover 2 earlier and rotate around axis 29, and mix medicine cover 2 and leave the limited block 7 that is connected as a single entity with syringe body 25 by axle sleeve 26, make mix medicine cover 2 fully with syringe body 25 disengagings.To pull the trigger cover 34 simultaneously and rotate around axis 29 by axle sleeve 35, and realize the location by going to limited block 7 places with the percussion cover 34 spacing cards 28 that are connected as a single entity, percussion this moment cover 34 docks with syringe body 25 fully.Aim at the injection site then and press firing button 17, inclined-plane by its overcoat extruding pressure pipe 24 upper end grabs, grab is inwardly moved, and the effect of dependence stage clip 21, pressure pipe 24 stops along sliding to the spacing preiection place under percussion cover 34 inwalls, drive expansion link 27 simultaneously and stretch out downwards, its end face piston 6 direct and in the solute bottle 8 contacts.Solute bottle 8 is under pressure and can moves downward at this moment; and compressing is stuck in the screening glass 9 of bottleneck; owing to be subjected to cutting the cutting of the blade 39 on the ring 30; company's muscle 36 on the screening glass 9 is cut off; screening glass 9 slides along syringe body 25 inwalls in the lump together with solute bottle 8; just motion backward when punch block 10 is subjected to resistance, and make syringe needle 32 upwards puncture the plug (referring to Fig. 4) of solute bottle 8.

Continue to press percussion medicated cap 17 again, its interior cover promptly can be oppressed the inclined-plane of injection putter 23 upper end grabs, make and contract in it and break away from the circular hole of locating ring 20, under the effect of injection putter spring 22, compressing injection putter 23 drives expansion link 27 and down promotes piston 6 along the slip of solute bottle 8 inwalls, thereby the medicinal liquids in the solute bottle 8 are injected into (referring to Fig. 5) in the human body fully by syringe needle 32.

Claims

1, the medicine instant-mixed automatic injector of a kind of rotary pigment, a solvent bottle (16) and a solute bottle (8) are coaxial to be installed in the same way, realize conducting by conducting pin (15) between the two, the mixed medicine cover (2) that solvent bottle (16) is housed in it is characterized in that with in be equipped with solute bottle (8) syringe body (25) and in percussion lock is housed percussion cover (34) all be connected with an axis (29), and mix medicine cover (2) and percussion and overlap (34) and alternately dock respectively with syringe body (7) by relatively rotating to make.

2, the medicine instant-mixed automatic injector of rotary pigment as claimed in claim 1 is characterized in that mixed medicine cover (2), syringe body (25), percussion cover (34) are connected on the axis (29) by the axle sleeve (26,31,35) that is connected with self respectively.

3, the medicine instant-mixed automatic injector of rotary pigment as claimed in claim 1 is characterized in that being with spring (3) in solvent bottle (16) outside, and a card medicated cap (1) that cooperates with solvent bottle (16) offsets with spring (3) end face.

4, the medicine instant-mixed automatic injector of rotary pigment as claimed in claim 1; it is characterized in that step place in syringe body (25) be equipped with one have an annular blade (39) cut ring (30), this blade (39) of cutting ring (30) contacts with company's muscle (36) of screening glass (9).

5, the medicine instant-mixed automatic injector of rotary pigment as claimed in claim 1, it is characterized in that described percussion lock is made of firing button (17), back-moving spring (19), percussion medicated cap (18), stage clip (21), pressure pipe (24), locating ring (20), injection putter (23), telescopic (27), injection putter spring (22), wherein, percussion medicated cap (18) links to each other with percussion cover (34), firing button (17) penetrates in the percussion medicated cap (18), and a back-moving spring (19) offsets with firing button (17); Pressure pipe (24), locating ring (20), the socket successively of injection putter (23) ecto-entad in the percussion cover (34).

6, the medicine instant-mixed automatic injector of rotary pigment as claimed in claim 5 is characterized in that the outwardly directed grab in pressure pipe (24) upper end cooperates with the annular table of percussion cover (34) interior upside.

7, the medicine instant-mixed automatic injector of rotary pigment as claimed in claim 5 is characterized in that injection putter (23) top is opening elastic fastening hook structure, and injection putter spring (22) is positioned between the step of locating ring (20) top and injection putter (23).