CN1390146A - Injection device - Google Patents

Injection device Download PDF

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Publication number
CN1390146A
CN1390146A CN 00815750 CN00815750A CN1390146A CN 1390146 A CN1390146 A CN 1390146A CN 00815750 CN00815750 CN 00815750 CN 00815750 A CN00815750 A CN 00815750A CN 1390146 A CN1390146 A CN 1390146A
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CN
China
Prior art keywords
matrix
injection device
described injection
aforesaid right
briquetting
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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.)
Pending
Application number
CN 00815750
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Chinese (zh)
Inventor
A·罗施
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ROECH AG MEDIZINTECHNIK
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ROECH AG MEDIZINTECHNIK
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Publication date
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Publication of CN1390146A publication Critical patent/CN1390146A/en
Pending 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
    • A61M5/30Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or carpules
    • 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
    • A61M5/20Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • A61M2005/2073Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically preventing premature release, e.g. by making use of a safety lock
    • 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
    • A61M5/50Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile

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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 inventive injection device for injecting a liquid into a subcutaneous tissue by means of a pressurized jet comprises a base body (1) that carries a tripping device (21). Said base body is linked by means of a detent connection (12) with an ampoule-body (2) that receives the liquid. A spring element (5) that generates a force for displacing a thrust piece (4) and a retaining element (6) retaining the thrust piece (4) in an initial position are designed for a single injection. The base body (1) is produced from plastic by transfer molding, thereby allowing an especially inexpensive large-scale manufacture of the injection device.

Description

Injection device
Invention field
The present invention relates to a kind of with liquid particularly pharmaceutical liquid be injected into hypodermic injection device, this device has an ampoule body, the cavity that a hole is arranged that in ampoule body, is provided with, an ampoule piston that dwindles with cavity volume, one by the briquetting of spring part to the motion of supporting member pretension, an electrical apparatus release and a matrix that makes immobilized first position of supporting member briquetting enter second current position of briquetting motion, this matrix are supporting electrical apparatus release and are guiding briquetting to face toward the end of ampoule piston towards cavity when supporting member is positioned at second position.
Background of invention
By WO 98/15307 known a kind of injection device, in this injection, the ampoule body that has cavity is to screw in matrix.Bearing in the matrix is an one with the electrical apparatus release that has supporting member.Exert pressure on electrical apparatus release, supporting member produces from the briquetting range of movement.Then the spring force of briquetting is the jag of ampoule piston in the cavity.Supporting member is in resting position, and briquetting is the free end towards the ampoule piston.Pulse is when operate in accordance with regulations by ampoule piston free end for electrical apparatus release, and it is safe that briquetting impacts.Then the liquid that exists in the cavity sprays from the hole with the high-pressure injection form.For example the hole links to each other with people's skin, and liquid arrives subcutaneous tissue by skin.It is unwanted medicine being brought into hypodermic transdermal pin for this reason.Liquid penetrating depth and high-pressure injection form can be measured with the ratio of the size of cavity and the characteristic curve of spring by the form and the size in hole.Settled damping element in the matrix, this damping element makes briquetting impact the reducing vibration of ampoule piston tache motorice.
After the injection, ampoule body separates from matrix with the ampoule piston.Briquetting, electrical apparatus release and supporting member move backward to their exit position by loading terminal.Then, a new or ampoule body of newly filling with is threaded on the matrix.Injection device is used for a kind of new injection.
Shortcoming in the known injection device is that the manufacturing installation cost is very high.For example matrix is generally made by refining high-quality steel.The endurance stress of spring part and lax will be measured through thousands of injections, and by the very high material manufacture of a kind of cost.In addition, when electrical apparatus release slided on briquetting, supporting member needed the very high strength of materials and sliding capability, this be for injection device after repeatedly using, avoid briquetting unconsciously mistake unclamp.
In addition, US 5730723 discloses a kind of injection device, in this device, produces the required power of pressure injection and is applied by inflation.This injection device designs for disposable use, does not need after the use to clean.But the cavity manufacturing that is used to inflate is very difficult.So this injection device manufacturing expense height.In addition, to fall be inevitable for leakage relevant with the time of the gas of inflation and the pressure that causes thus.
The general introduction of invention
The present invention is based on such problem, design and a kind ofly start described injection device as this paper, its manufacturing expense is low especially.
The problem that the present invention solves is, the intensity of spring part and supporting member and/or matrix will be measured when a shot is used, and takes to prevent after the use for the first time the means that continue to inject.
The injection device of design according to the present invention, part adopts the low especially material of cost.The fatigue of materials of spring part just takes place after multiple injection usually, and in injection device of the present invention, high-pressure injection intensity does not change, and supporting member is made by the low especially low-intensity material of cost.When using electrical apparatus release, when injection device once used, the infringement of supporting member was inessential at least.In addition, according to the injection device of the present invention damping element of needs restrictions briquetting motion not.Thereby the injection device cost that designs according to the present invention is low especially.The nonrecoverable injection device according to the present invention is harmless to human body really after repeatedly using.Prevent to continue injection after using for the first time, its device can be selected such design, and promptly part just damages when using for the first time, perhaps according to injection device of the present invention not with more detailed constructing technology and the instrument not purchasing and reuse.In addition, can provide clamped condition, therefore not need expensive clamping tool according to injection device of the present invention.
The improvement design that has advantage according to the present invention takes to prevent the means that continue to inject after using for the first time, be inseparable for ampoule body assembling back links to each other with matrix, and its apparatus structure is simple especially.
Another has the improvement design of advantage according to the present invention, takes the further means of simplifying, and prevents to continue to inject after using for the first time, for the spring part between ampoule body assembling and the matrix is to be difficult for mounting or dismounting.
According to injection device of the present invention, made of plastic as matrix, its cost helps further minimizing.Because injection device of the present invention does not need to clean matrix at least after once using, the surface roughness of this matrix is almost very little.
Injection device according to the present invention adopts the spurt method manufacturing as matrix by plastics when producing in enormous quantities, will help further to reduce cost.
By the injection device known to the WO 98/15307, electrical apparatus release is rotatable.Another has the improvement design of advantage according to the present invention, and the electrical apparatus release bearing has a monolateral unlimited bearing holder (housing, cover), and its bearing assembling is simple.
Another has the improvement design of advantage according to the present invention, and the bearing of electrical apparatus release can be avoided at an easy rate, keeps vertical as electrical apparatus release in the matrix guiding with the briquetting direction of motion.Electrical apparatus release can move into guiding easily when assembling.Therefore because directly assembling before injection, just do not need for avoiding the electrical apparatus release safety element that is provided with of faulty operation unconsciously.When making the matrix that adopts injection method, such guiding setting is very simple.
Another has improvement design of advantage according to the present invention, and the structure of electrical apparatus release is simple especially, as electrical apparatus release have one with the perpendicular displacable platen of the briquetting direction of motion and the arm of in guiding, settling of a clamping matrix.
For example supporting member can rotate in matrix, and by the deflection of electrical apparatus release arm.The required part of injection device according to the present invention is few especially, is clamped in the electrical apparatus release arm towards the terminal of pressing plate and pass the hole of base wall as supporting member.
In the known injection device that has a matrix of WO 98/15307, ampoule body is connected with screw with matrix.As matrix a braking joint is arranged, support belt has the ampoule body of cavity, then helps to simplify the assembling of the injection device according to the present invention.For example ampoule body directly links to each other with matrix before injection thus.Electrical apparatus release is operated in accordance with regulations, has obviously avoided liquid from the effusive danger of ampoule body.
Another has the improvement design of advantage according to the present invention, and the braking joint between matrix and ampoule body is structurally simple especially, at the arrester hook on the ampoule body end, clamps the limit of ampoule body flange towards spring part as matrix backward.Another advantage of this structure is, can use the ampoule body that has injection device now according to injection device of the present invention, because in existing injection device, flange is used as backstop.This just causes further reducing according to the manufacturing cost of injection device of the present invention.By selecting suitable arrester hook, will can prevent that ampoule body from separating from matrix after its assembling.
Another has the improvement design of advantage according to the present invention, has avoided ampoule body to separate from matrix reliably, and at confined state, safety collar is clamped arrester hook from the outside as ampoule body.Prevented that thus arrester hook is by the ampoule body bending.
Another has the improvement design of advantage according to the present invention, the assembling of safety collar and ampoule body may separate to give and prevent from the matrix, at the hook that radially has at least inwardly to stretch, ampoule body or matrix rigid connect the position that is on the arrester hook as safety collar.
As the arrester hook on towards the base end of spring part a horn mouth that forms guiding surface is arranged, then help the assembling of injection device further to simplify according to the present invention.
The lining of injection device uses conveniently especially according to the present invention, as matrix the backstop of a setting is arranged, and stops the ampoule body axially-movable at the briquetting direction indication.
Another has improvement design of advantage according to the present invention, a kind of especially accurately in the face of the ampoule body of briquetting aligning spent expensively just can be avoided, in ampoule piston mid range a guiding is arranged as matrix.
In WO 98/15307 known injection device, spring part can be supported on the adjustable screw of briquetting phase terminad.But solid-tight cover and support and the mutually adterminal spring part of briquetting on matrix then help the further manufacturing cost of reduction injection device according to the present invention.
As the be connected with braking joint of lid, then help the assembling of injection device of the present invention further to simplify with matrix.
The number of spare parts of injection device can be lacked especially according to the present invention, as the matrix that holds spring part and briquetting is designed to a jar shape.
In the injection device of the present invention, electrical apparatus release and ampoule body be pre-assembled all.For avoiding electrical apparatus release faulty operation unconsciously, structurally design safety device simple especially, it is static with a predetermined power motion of electrical apparatus release to be in as the safety element that supports electrical apparatus release.Under the simplest situation, safety element can be designed to middle broken piece, abandons after extracting from the gap.
Move on matrix as safety collar, and safety element is placed on the safety collar, then helps further to reduce the Assembly part quantity of injection device according to the present invention.
According to injection device of the present invention, be steel as briquetting, by the pressing manufacturing, its manufacturing cost can further reduce.
The present invention has numerous structures, in order further to illustrate its ultimate principle, has shown two figure especially, and has elaborated below.These accompanying drawings are expressed as follows.
Brief description of drawings
Fig. 1 represents the longitudinal sectional view of injection device before injection according to the present invention;
Fig. 2 represents by the cutaway view of injection device shown in Figure 1 along the II-II line;
Fig. 3 represents the longitudinal sectional view of injection device after injection according to the present invention;
Fig. 4 represents the longitudinal sectional view of another embodiment of injection device according to the present invention;
Situation after Fig. 5 represents to use for the first time by injection device shown in Figure 4.
Being described in detail of invention
Fig. 1 represents the injection device that all is made of plastics, comprises matrix 1 and with the braking ampoule body 2 of matrix 1.Matrix 1 has the guiding 3 that vertically moves for briquetting 4 works.Spring part 5 is carried out pretension as stage clip towards 6 pairs of briquettings of supporting member 4.Spring part 5 in the matrix 1 is supporting connection cover 8 through braking joint 7 simultaneously.Ampoule body 2 has cavity 9, and this cavity has a hole 10 with receiving fluids pharmaceutical liquid particularly, this liquid be injected into hypodermic.Ampoule piston 11 towards ampoule body 2 works vertically move dwindles cavity 9.The end of ampoule piston 11 is towards cavity 9, and ampoule piston 11 has a segment distance with briquetting 4.The braking joint 12 that is connected with of ampoule body 2 and matrix 1 has 13,14 and backstops 15 of arrester hook on matrix 1.Arrester hook 13,14 clamps the flange 16 of ampoule body 2 backward, and it is clamped on the backstop 15.In addition, arrester hook 13,14 has a horn mouth 19 that is positioned at the formation guiding surface 17,18 of matrix 1 end.For ampoule body 2 and matrix 1 are installed, the ampoule body 2 that has flange 16 can be pressed in the arrester hook 13,14 of matrix 1 end.At this moment arrester hook 13,14 is in spring radially outward, as long as flange 16 enters backstop 15, arrester hook is grip flange 16 backward just.Fig. 1 also illustrates in addition, and matrix 1 has a guiding 20 that is used for ampoule piston 11.
The supporting member 6 that supports briquetting 4 at shown position links to each other with electrical apparatus release 21.Electrical apparatus release 21 has an arm 23 that is connected with pressing plate 22.Pressing plate 22 and supporting member 6 are placed in the limit in opposite directions of matrix 1 each other, make pressing plate 22 on matrix 1 direction when mobile, and supporting member 6 is extracted from the guiding 3 of briquetting 4.Pressing plate 22 since unconsciously wrong motion will be hindered by safety element 24.Safety element 24 is clamped in the gap 25 of pressing plate 22 and matrix 1, and a pull strap 26 is housed.Pull strap 26 can be clamped on the safety element 24, and can pull out from gap 25.
For the liquid infusion in the cavity 9 is gone into subcutaneous tissue, safety element 24 is thrown off, and the hole 10 of ampoule body in the injection device 2 is pressed on the skin.Then supporting member 6 moves to second position of guiding 3 outsides that are positioned at briquetting 4 owing to the pressure of pressing plate 22 from illustrated first position, thereby makes the motion of briquetting 4 obtain current.Briquetting 4 faces toward the terminal accelerated motion towards the ampoule piston 11 of cavity 9 owing to the power effect of spring part 5, and ampoule piston 11 is pressed in the cavity 9.Liquid in the cavity 9 passes through hole 10 in the high-pressure injection mode at this moment.The intensity of high-pressure injection and liquid infusion are gone into the hypodermic degree of depth, can be regulated with the ratio of the size of cavity 9 and the characteristic curve of spring part 5 by the size in hole 10.
Fig. 2 represents by the injection device of Fig. 1 cutaway view along the II-II line.As seen from the figure, electrical apparatus release 21 has two arms 23,29, and is arranged in the guiding 27,28 of matrix 1.Supporting member 6 passes matrix 1 and arrives in the hole 30.Be to install in matrix 1 electrical apparatus release 21, for example arm 23,29 can be outwardly-bent and be slided on matrix 1 with its end.Arm 23,29 blocks guiding 27,28 then.Certainly electrical apparatus release 21 or matrix 1 also can be designed to two, and bonding when mounted or clamping.
Fig. 3 represents by the situation of injection device shown in Figure 1 after use.As seen from the figure, because the motion of briquetting 4, supporting member 6 is in second current position.Briquetting 4 is positioned on the backstop 31 of matrix 1.Ampoule piston 11 moves towards the hole 10 of ampoule body 2 ends.Owing to the braking joint 7 and the matrix 1 that cover 8 are to be difficult for mounting or dismounting outside, so matrix 1 interior briquetting 4 and spring part 5 almost is difficult the mounting or dismounting from the outside.In addition, it is very difficult that ampoule body 2 separates from matrix 1, because arrester hook the 13, the 14th radially inwardly stretches.Because matrix 1 is made of plastics, if ampoule body 2 or cover 8 and do powerful the separation from matrix 1 will cause braking joint 7,12 to be damaged.Therefore further prevented spring part 5 clamp again or to the replacing of ampoule body 2.
The injection device that Fig. 4 represents has jar shape matrix 32 and with matrix 32 arresting ampoule bodies 33.The briquetting 35 that a preloading spring spare 34 is arranged in the matrix 32, this spring part 34 are towards ampoule body 33 directions, and matrix 32 is made one with the bearing holder (housing, cover) 36 that opens wide that is positioned at a side.In bearing holder (housing, cover) 36, electrical apparatus release 37 is rotatable, and supporting member 38 is supporting briquetting 35.Fig. 4 illustrates in addition, and safety collar 39 can move axially on matrix 32.Safety element 40 is that integral body is made with safety collar 39, is supporting electrical apparatus release 37 at shown position.The motion of the deflection of electrical apparatus release 37 and briquetting 35 thus is owing to the effect that is subjected to spring part 34 power has been subjected to obstruction.Injection device as shown in Figure 1 to Figure 3, matrix 32 have an arrester hook 41 towards backstop 43, to support the flange 44 of ampoule body 33, are easy to make ampoule body 33 to be installed on the matrix 32 on the import inclined-plane 42 on the arrester hook 41.The position of safety collar 39 shown in Figure 4 shows that injection device can be carried in this position.Safety collar 39 has a hook 45 that radially inwardly stretches, and correspondingly is pressed into the groove 46 of matrix 32.In the power that axially applies in advance of safety collar 39, hook 45 is extracted from groove 46.
For using injection device, at first safety collar 39 is shifted out from electrical apparatus release 37, safety element 40 takes out from the range of movement of electrical apparatus release 37 like this.Then can press electrical apparatus release 37, so that briquetting 35 is owing to be subjected to the active force of spring part 34, towards the ampoule piston 47 directions motion of ampoule body 33, this position as shown in Figure 5.Safety collar 39 is positioned at the position that the arrester hook 41 to matrix 32 moves herein, and hinders its bending.Therefore the hook of settling on the safety collar 39 45 moves at 41 of two arrester hooks of matrix 32, and hinders safety collar 39 and move backward.Because the hook 48 of safety collar 39 supports the flange 44 of ampoule body 33, safety collar 39 is crossed ampoule body 33 and just has been subjected to obstruction.Therefore ampoule body 33 is inseparable with linking to each other of matrix 32.In addition, briquetting 35 and the spring part 34 32 of ampoule body 33 and matrixes is to be difficult for mounting or dismounting.Therefore this injection device can not continue to use again.
In the injection device,, be fit to install corresponding briquetting 35 and spring part 34 for the ampoule body 33 of different volumes.Matrix 32, electrical apparatus release 37 and safety collar 39 can be installed and used the size of the ampoule body 33 of all injectable drug liquid.Therefore, particularly large batch of matrix 32, electrical apparatus release 37 and safety collar 39 are made by casting die by plastics, and its cost is low especially.

Claims (22)

  1. One kind with liquid particularly pharmaceutical liquid be injected into hypodermic injection device, this device has an ampoule body, the cavity that a hole is arranged that in ampoule body, is provided with, an ampoule piston that dwindles with cavity volume, one by the briquetting of spring part to the motion of supporting member pretension, an electrical apparatus release that makes supporting member enter second current position of briquetting motion from immobilized first position of briquetting, and matrix, this matrix is supporting electrical apparatus release and is guiding briquetting to face toward the end of ampoule piston towards cavity when supporting member is positioned at second position, it is characterized in that, spring part (5,34) and supporting member (6,38) and/or matrix (1,32) intensity will be measured when a shot is used, and prevents the means that continue to inject after taking to use for the first time.
  2. 2. according to the described injection device of claim 1, it is characterized in that it is inseparable linking to each other with matrix (1,32) after ampoule body (2,33) is installed.
  3. 3. according to claim 1 or 2 described injection devices, it is characterized in that it is to be difficult for mounting or dismounting that spring part (5,34) is installed the back between ampoule body (2,33) and matrix (1,32).
  4. 4. at least one described injection device in requiring according to aforesaid right is characterized in that matrix (1,32) is made of plastics.
  5. 5. at least one described injection device in requiring according to aforesaid right is characterized in that the matrix that is made of plastics (1,32) is made with casting die.
  6. 6. at least one described injection device in requiring according to aforesaid right is characterized in that the bearing of electrical apparatus release (37) has a monolateral unlimited bearing holder (housing, cover) (36).
  7. 7. at least one described injection device in requiring according to aforesaid right is characterized in that the electrical apparatus release (21) in matrix (1) guiding (27,28) keeps vertical with briquetting (4) axially-movable direction.
  8. 8. at least one described injection device in requiring according to aforesaid right, it is characterized in that, electrical apparatus release (21) have one with the perpendicular displacable platen (22) of briquetting (4) direction of motion and an arm (23,29) that clamps the arrangement in guiding (27,28) of matrix (1).
  9. 9. at least one described injection device in requiring according to aforesaid right is characterized in that supporting member (6) is clamped in the end of the arm (23,29) of electrical apparatus release (21) towards pressing plate (22), and passes the hole (30) of matrix (1) wall.
  10. 10. at least one described injection device in requiring according to aforesaid right is characterized in that, matrix (1,32) has a braking joint (12, arrester hook 41) to support ampoule body (2,33).
  11. 11. according at least one described injection device in the aforesaid right requirement, it is characterized in that, the matrix (1,32) terminal towards ampoule body (2,33) has arrester hook (13,14,41), towards spring part (5,34) back carried out on the limit of the flange (16,44) of ampoule body (2,33) and clamps.
  12. 12. according at least one described injection device in the aforesaid right requirement, it is characterized in that, when safety collar (39) is installed at ampoule body (33), clamp arrester hook (41) from the outside.
  13. 13. according at least one described injection device in the aforesaid right requirement, it is characterized in that, safety collar (39) becomes to be rigidly connected with ampoule body (33) or matrix (32) at the hook (45,48) that radially has at least inwardly to stretch, and is in the position on the arrester hook (41).
  14. 14. according at least one described injection device in the aforesaid right requirement, it is characterized in that the arrester hook (13,14,41) on matrix (1, the 32) end of spring part (5,34) has a horn mouth (19) that forms guiding surface (17,18,42).
  15. 15. according at least one described injection device in the aforesaid right requirement, it is characterized in that matrix (1,32) has the backstop (15,43) of a setting, stop the axially-movable of ampoule body (2,33) at briquetting (4,35) direction indication.
  16. 16., it is characterized in that matrix (1) has a guiding (20) in ampoule piston (11) mid range according at least one described injection device in the aforesaid right requirement.
  17. 17. according at least one described injection device in the aforesaid right requirement, it is characterized in that, go up solid-tight cover (8) and support and the mutually adterminal spring part of briquetting (4) (5) at matrix (1).
  18. 18. at least one described injection device in requiring according to aforesaid right is characterized in that, lid (8) and matrix (1) be connected with a braking joint (7).
  19. 19., it is characterized in that the matrix (32) that holds spring part (34) and briquetting (35) is designed to a jar shape according at least one described injection device in the aforesaid right requirement.
  20. 20., it is characterized in that the safety element (24,40) that supports electrical apparatus release (21,37) makes the motion of electrical apparatus release (21,37) be in resting position with a predetermined power according at least one described injection device in the aforesaid right requirement.
  21. 21., it is characterized in that safety collar (39) is gone up at matrix (32) and moved according at least one described injection device in the aforesaid right requirement, and safety element (40) places on the safety collar (39).
  22. 22., it is characterized in that briquetting (4,35) is a steel, is made by pressing according at least one described injection device in the aforesaid right requirement.
CN 00815750 1999-11-16 2000-11-14 Injection device Pending CN1390146A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1999155201 DE19955201A1 (en) 1999-11-16 1999-11-16 Injection device
DE19955201.0 1999-11-16

Publications (1)

Publication Number Publication Date
CN1390146A true CN1390146A (en) 2003-01-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 00815750 Pending CN1390146A (en) 1999-11-16 2000-11-14 Injection device

Country Status (8)

Country Link
EP (1) EP1229952A1 (en)
JP (1) JP2003513762A (en)
CN (1) CN1390146A (en)
AR (1) AR030035A1 (en)
AU (1) AU2502101A (en)
DE (3) DE19955201A1 (en)
TW (1) TW496747B (en)
WO (1) WO2001036028A1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113413515A (en) * 2021-07-13 2021-09-21 曲靖市妇幼保健院 Painless injection system of paediatrics
CN113413515B (en) * 2021-07-13 2022-08-26 曲靖市妇幼保健院 Painless injection system of paediatrics

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DE20006986U1 (en) 2000-07-20
JP2003513762A (en) 2003-04-15
WO2001036028A1 (en) 2001-05-25
TW496747B (en) 2002-08-01
DE10083482D2 (en) 2002-10-24
EP1229952A1 (en) 2002-08-14
DE19955201A1 (en) 2001-05-31
AU2502101A (en) 2001-05-30
AR030035A1 (en) 2003-08-13

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