CN202802378U - Pen-type injector - Google Patents
Pen-type injector Download PDFInfo
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- CN202802378U CN202802378U CN 201220318080 CN201220318080U CN202802378U CN 202802378 U CN202802378 U CN 202802378U CN 201220318080 CN201220318080 CN 201220318080 CN 201220318080 U CN201220318080 U CN 201220318080U CN 202802378 U CN202802378 U CN 202802378U
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Abstract
The utility model provides a pen-type injector which comprises a medicine bottle installation part, a fixed plug component, and a metering and injection component, wherein the metering and injection component comprises a cylindrical rotary drum bracket with a threaded chute on the inner wall, a push rod rotary drum, a connection drum, a sleeve screw stud and a push rod; the push rod rotary drum is arranged in the rotary drum bracket which is capable of axially moving along the rotary drum bracket and is provided with spiral clamping strips arranged on the outer wall and matched with the threaded sliding chute, and the second end of the push rod rotary drum protrudes out of the second end of the rotary drum bracket to be connected with a rotary operation part; the connection drum is arranged in the push rod rotary drum, the first end of the connection drum is propped against a first spacing step, and the second end is connected with a press operation part; the sleeve screw stud is arranged in the connection drum, synchronously rotates with the connection drum, is changeless in the axial position relative to the rotary drum bracket and is provided with a threaded through hole; and the push rod penetrates into the sleeve screw stud in an axial movement manner. The pen-type injector can be used repeatedly, can adjust the injection quantity, and is simple to operate and convenient to use.
Description
Technical field
This utility model relates to the injection device technical field, in particular to a kind of pen-type injector.
Background technology
In the prior art, a lot of glycosuria patients rely on insulin injection to carry out blood sugar lowering, because to the dependence of insulin, the frequency of patient infusion insulin is frequent gradually, like this, increasing patient more is ready to select to be in voluntarily insulin injection.
Application number is that 200920101143.6 Chinese patent discloses a kind of Full-automatic insulin injector, this patent reach inserting needle and injection automatically quick and precisely, the purpose such as painless.
But said syringe has and has following defective:
One, this syringe is without dressing change device, and using once just needs to change syringe afterwards, has caused so great waste.
Two, without the injection adjusting device.The insulin dose of glycosuria patient per injection in various degree is all not identical, and this syringe versatility is relatively poor.Because insulin is more valuable, can't regulates dosage and may cause waste again.
The utility model content
This utility model aims to provide and a kind ofly can reuse, regulates injection volume, and pen-type injector simple to operate, easy to use.
To achieve these goals, this utility model provides a kind of pen-type injector, comprising: the medicine bottle installation portion, and its first end removably is connected with syringe needle, and the second end of medicine bottle installation portion has for the installing hole that medicine bottle is installed; Fixed plug assembly, first end removably are connected to the second end of medicine bottle installation portion, and the fixed plug assembly has axially extending bore, are provided with the push rod rotation prevention portion on the inwall of axially extending bore; Metering and injecting assembly are connected with the second end of fixed plug assembly, measure and injecting assembly comprises: the rotating cylinder support, and its first end is connected with the second end of fixed plug assembly, and the rotating cylinder support is and has the screw-like chute on tubular and the inwall; The push rod rotating cylinder, along axially movably being arranged in the rotating cylinder support of rotating cylinder support, has the spiral card article that matches with the screw-like chute on the outer wall of push rod rotating cylinder, the first end end face of push rod rotating cylinder has the first limited step that radially extends internally, and the second distal process of push rod rotating cylinder is for the second end of rotating cylinder support and be connected with rotating operation section; Connect cylinder, be arranged in the push rod rotating cylinder, connect first end and the first limited step butt of cylinder, the second end that connects cylinder is connected with press operating part; The sleeve double-screw bolt rotates in the company's of being arranged on cylinder and with connecting cylinder synchronously, and the relative rotating cylinder support of sleeve double-screw bolt is invariant position vertically, and the sleeve double-screw bolt has tapped through hole; Push rod, be located in movably vertically in the sleeve double-screw bolt, and the first end of push rod passes the axially extending bore of fixed plug assembly, the push rod outer surface has the external screw thread that cooperates with tapped through hole, the outer surface of push rod has vertically spline chute that extend and that match with the push rod rotation prevention portion, and the first end of push rod removably is connected with for the push rod cup that promotes the piston in the medicine bottle opening.
Further, the fixed plug assembly comprises: fixed plug body, first end removably are connected to the second end of medicine bottle installation portion, and the inwall of fixed plug body has the second limited step; The coyote hole top, be arranged on movably vertically in the fixed plug body, has the 3rd limited step on the inwall on coyote hole top, has the first axial convex tendon on the inwall of the 3rd limited step to form the push rod rotation prevention portion, second end on coyote hole top has the first limited section, has the second limited section on the outer wall on coyote hole top; Double sided gear, spacing the second end at the fixed plug body, second limited of coyote hole top is spacing between double sided gear and the second limited step, and the first surface of double sided gear has the coyote hole top rotation prevention portion that cooperates with first limited, and the second surface of double sided gear has the first counting tooth; The first spring is arranged between the first surface of the 3rd limited step on coyote hole top and double sided gear, and wherein, the axially extending bore of fixed plug assembly is formed by the endoporus on coyote hole top and the endoporus of double sided gear.In the fixed plug assembly, the first limited section is formed on second end on coyote hole top, and meshes simultaneously fixed plug assembly and metering and injecting assembly by double sided gear, when reducing number of spare parts, can improve the structural stability of this utility model syringe.
Further, first limited is the first axial tooth and the second axial tooth that cooperatively interacts with coyote hole top rotation prevention portion.
Further, have the strip buckle on the second end outer wall of medicine bottle installation portion, have the first bayonet socket that is clasped with strip on the sidewall of fixed plug body.
Further, the second end of fixed plug body has the first Access Division, has the second Access Division that cooperates with the first Access Division on the sidewall of double sided gear, and double sided gear is by spacing second end at the fixed plug body of cooperation of the first Access Division and the second Access Division.
Further, the first Access Division is two elastic cards that are oppositely arranged, the inwall of elastic card is provided with the first wedge shape buckle, and the second Access Division of double sided gear is the first wedge shape fixture block, and the both sides of corresponding the first wedge shape fixture block also are provided with the double sided gear anti-rotation block on the inwall of the first Access Division.
Further, also be provided with the rotating cylinder stand connection between two elastic cards, rotating cylinder stand connection outer surface has the second wedge shape fixture block, and the first end of rotating cylinder support has the second bayonet socket that cooperates with the second wedge shape fixture block.
Further, the rotating cylinder support has the 4th limited step near on the inwall of first end, and the 4th limited step of rotating cylinder support has the screw-like chute to the inwall between the second end of rotating cylinder support, and the second end of rotating cylinder support has the 3rd Access Division.
Further, metering and injecting assembly also comprise: lock bracket, be connected at the second end of rotating cylinder support with the 3rd Access Division of rotating cylinder support, and lock bracket is spacing in the rotating cylinder support with the spiral card article of push rod rotating cylinder.
Further, the 3rd Access Division comprises clamping opening and the 3rd bayonet socket on the sidewall of rotating cylinder support the second end, lock bracket have the card column that cooperates with the clamping opening and with the 4th wedge shape fixture block of the 3rd bayonet fittings.
Further, the second surface butt of sleeve double-screw bolt first end and double sided gear, the sleeve double-screw bolt has the 5th limited step on the lateral wall, the 5th limited step between the 4th limited step of double sided gear and rotating cylinder support and with the 4th limited step butt, it is spacing to realize vertically invariant position of relative rotating cylinder support with the 4th limited step that the sleeve double-screw bolt is subject to double sided gear.
Further, even have the first driving section on the inwall of cylinder, the outer wall of sleeve double-screw bolt is provided with the second driving section and the 3rd driving section that is positioned at the 5th limited step both sides, and the second driving section cooperates with the first driving section.
Further, metering and injecting assembly also comprise: inject the tooth of beating, be arranged between the 5th limited step of sleeve double-screw bolt of double sided gear and rotating cylinder support and be set in outside the sleeve double-screw bolt, injection is beated and is had the 4th driving section that cooperates with the 3rd driving section of sleeve double-screw bolt on the inwall of tooth, injection beat have on the first surface of tooth cooperate with the first counting tooth of double sided gear second count tooth; The second spring is arranged on injection and beats between the 4th limited step of the second surface of tooth and rotating cylinder support.
Further, the first counting tooth, the second counting tooth are anti-reverse ratchet.
Further, the first driving section and the 4th driving section are the second axial convex tendon, and the second driving section and the 3rd driving section are axial notch.
Further, the first counting tooth, the second counting tooth are axial tooth, have the first axial grooving between adjacent two teeth of the first counting tooth, have the second axial grooving between adjacent two teeth of the second counting tooth.Further, connect cylinder and be the ladder tubular, comprise that being positioned at first of first end connects cylinder section and be positioned at second of the second end and connect cylinder section, first even the internal diameter of cylinder section greater than second internal diameter of cylinder section even, the first inwall that connects cylinder section has the first driving section, even has the 3rd counting tooth on the ladder end face of cylinder.
Further, rotating operation section comprises: hopper, be set in rotating cylinder support outer and the middle part of hopper and the second end clamping of push rod rotating cylinder, and have addend effect tooth spline fixture block on the inwall of hopper; The encapsulate ring is set in outside the hopper and with hopper and rotates synchronously, has the 6th limited step of the end face that radially protrudes from hopper on the inwall of encapsulate ring.
Further, press operating part is caudal peduncle, and caudal peduncle comprises plate-like press section and a plurality of connecting portions that are connected with the plate-like press section, and connecting portion cooperates the connecting portion of caudal peduncle spacing in the encapsulate ring with the 6th limited step of encapsulate ring.
Further, hopper is circumferentially with metering scale near edge on the outer surface of encapsulate ring.
Further, metering and injecting assembly also comprise: addend effect tooth, have the draw-in groove that cooperates with addend effect tooth spline fixture block, and addend effect tooth has the 4th counting tooth towards the surface of push rod rotating cylinder, and addend effect tooth has the through hole of dodging; Add the subtrahend gear of beating, be arranged in the hopper, add the subtrahend gear of beating and be the ladder tubular, comprise the 3rd cylinder section of company that is positioned at first end and be positioned at the 4th of the second end and connect cylinder section, the internal diameter of the 3rd cylinder section of company is greater than the internal diameter of the 4th cylinder section of company, the 4th connects cylinder section passes and dodges through hole, the 3rd end face that connects cylinder section be provided with cooperates with the 3rd counting tooth the 5th count tooth, add subtrahend beat have on the ladder end face of gear with the 4th count that tooth cooperates the 6th count tooth; The 3rd spring is arranged between the plate-like press section of addend effect tooth and caudal peduncle.
Further, the 3rd counting tooth, the 4th counting tooth, the 5th counting tooth and the 6th counting tooth are axial tooth, have the 3rd axial grooving between adjacent two teeth of the 4th counting tooth, the 5th counting tooth and the 6th counting tooth.
The use procedure of pen-type injector of the present utility model is as follows:
When regulating dosage, the patient rotates rotating operation section, and then drive push rod rotating cylinder rotates, the push rod rotating cylinder is by the cooperation of spiral card article and screw-like chute, the push rod rotating cylinder rotates and withdraws from gradually the rotating cylinder support, drive to connect cylinder by the first limited step when the push rod rotating cylinder retreats and retreat and then drive press operating part and retreat, the displacement that connects on only having axially when cylinder retreats is not rotated.Thereby can be provided with metering scale at rotating operation section or push rod rotating cylinder makes things convenient for the patient to check dosage.If it is excessive to regulate, the patient can get final product by the counter-rotation operating portion.
It should be noted that connecting cylinder in the whole adjustment process does not rotate, and then can not be with the moving sleeve double-screw bolt to rotate, like this, the interior piston of opening that push rod just can not advance yet and promote medicine bottle.
Regulate and inject after dosage finishes, the patient presses press operating part, power is passed on company's cylinder from press operating part, compress so that connect first end and first limited step of cylinder, cooperation by spiral card article and screw-like chute after the push rod rotating cylinder is stressed progresses into the rotating cylinder support, because stressed mutual compression between the first end that connects cylinder and the first limited step connects a rotation so can drive with the frictional force between the first limited step by the first end that connects cylinder in the process that the push rod rotating cylinder rotates.When connecting the cylinder rotation, the sleeve double-screw bolt rotates synchronously with connecting cylinder, because be provided with the push rod rotation prevention portion on the inwall of the axially extending bore of fixed plug assembly, this push rod rotation prevention portion cooperates with the spline chute of the outer surface of push rod, so that push rod only can carry out rectilinear motion vertically and can not rotate.Like this, thereby the rotation of sleeve double-screw bolt can drive the interior piston-advance of opening that push rod travels forward and promotes medicine bottle, the resistance of minimizing piston-advance, and then finish injection, make things convenient for the patient to use.
Pen-type injector of the present utility model has the following advantages:
1) device can reuse, for the patient saves.This utility model device only need be changed the medicine bottle of the medicines such as insulin, and just pen is thrown away after needn't finishing a shot.Thereby can save the expense of buying pen for the patient, also save social resources simultaneously.
2) patient can very accurately finish injection.
3) if the patient in when injection, transfers injection volume many or transfers fewly, this device can be realized increasing progressively and successively decrease and also needn't take off medicine bottle when operate, and the patient also needn't worry can produce leakage when readjustment, reaches the liquid medicine wasting phenomenon.
4) this device is simple to operate, and is reliable.
Description of drawings
The Figure of description that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining this utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the decomposing schematic representation according to the embodiment of pen-type injector of the present utility model;
Fig. 2 shows the generalized section of the pen-type injector of Fig. 1;
Fig. 3 shows the generalized section of fixed plug assembly of the pen-type injector of Fig. 1;
Fig. 4 shows the perspective view of fixed plug body of the fixed plug assembly of Fig. 3;
Fig. 5 a shows the perspective view on coyote hole top of the fixed plug assembly of Fig. 3;
Fig. 5 b shows the perspective view of another angle on the coyote hole top of Fig. 5 a;
Fig. 6 shows the perspective view of double sided gear of the fixed plug assembly of Fig. 3;
Fig. 7 shows the perspective view of another angle of the double sided gear of Fig. 6;
Fig. 8 shows the injection of pen-type injector of Fig. 1 and the generalized section of gauge assembly;
Fig. 9 shows the perspective view of the rotating cylinder support of the injection of Fig. 8 and gauge assembly;
Figure 10 shows the perspective view of the push rod rotating cylinder of the injection of Fig. 8 and gauge assembly;
Figure 11 shows the perspective view of the lock bracket of the injection of Fig. 8 and gauge assembly;
Figure 12 shows the perspective view of company's cylinder of the injection of Fig. 8 and gauge assembly;
Figure 13 shows the perspective view of the sleeve double-screw bolt of the injection of Fig. 8 and gauge assembly;
The beat perspective view of tooth of the injection that Figure 14 shows the injection of Fig. 8 and gauge assembly;
Figure 15 shows the perspective view of the push rod of the injection of Fig. 8 and gauge assembly;
Figure 16 shows the perspective view of the hopper of the injection of Fig. 8 and gauge assembly;
Figure 17 shows the perspective view of the caudal peduncle of the injection of Fig. 8 and gauge assembly;
Figure 18 shows the perspective view of the addend effect tooth of the injection of Fig. 8 and gauge assembly;
What Figure 19 showed the injection of Fig. 8 and gauge assembly adds the beat perspective view of gear of subtrahend;
Figure 20 shows the perspective view of medicine bottle installation portion of the pen-type injector of Fig. 1;
Figure 21 shows the surface structure sketch map of the pen-type injector of Fig. 1; And
Figure 22 shows the metering scale sketch map of the hopper of Figure 16.
The specific embodiment
Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments this utility model in detail.
Wherein, for this utility model syringe overall structure and each assembly, the following stated first end is an end that points to the nib direction, and the second end is an end that points to a tail direction.
As shown in Figure 1, the pen-type injector of present embodiment comprises: medicine bottle installation portion 2, fixed plug assembly and metering and injecting assembly.As shown in Figure 2, medicine bottle installation portion 2 first ends removably are connected with syringe needle 1, and the second end of medicine bottle installation portion 2 has for the installing hole that medicine bottle is installed.The first end of fixed plug assembly removably is connected to the second end of medicine bottle installation portion 2, and the fixed plug assembly has axially extending bore, is provided with the push rod rotation prevention portion on the inwall of axially extending bore.
Metering and injecting assembly are connected with the second end of fixed plug assembly, and as shown in Figure 8, metering and injecting assembly comprise: rotating cylinder support 11, push rod rotating cylinder 12, company's cylinder 15, sleeve double-screw bolt 14 and push rod 4.The first end of rotating cylinder support 11 is connected with the second end of fixed plug assembly, and rotating cylinder support 11 is and has screw-like chute 1102 on tubular and the inwall; Push rod rotating cylinder 12 axially movably is arranged in the rotating cylinder support 11 along rotating cylinder support 11, as shown in figure 10, has the spiral card article 1201 that matches with screw-like chute 1102 on the outer wall of push rod rotating cylinder 12, this screw-like chute 1102 preferably is arranged on push rod rotating cylinder 12 towards the first end of fixed plug assembly, the first end end face of push rod rotating cylinder 12 has the first limited step 1202 that radially extends internally, and the second end 1203 of push rod rotating cylinder 12 protrudes from the second end of rotating cylinder support 11 and is connected with rotating operation section; Connect cylinder 15 and be arranged in the push rod rotating cylinder 12, connect first end and the first limited step 1202 butts of cylinder 15, the second end that connects cylinder 15 is connected with press operating part; Rotate synchronously in sleeve double-screw bolt 14 companies of the being arranged on cylinder 15 and with connecting cylinder 15, sleeve double-screw bolt 14 relative rotating cylinder supports 11 are invariant position vertically, and as shown in figure 13, sleeve double-screw bolt 14 has tapped through hole 1401; Push rod 4 is located in the sleeve double-screw bolt 14 vertically movably, and the first end of push rod 4 passes the axially extending bore of fixed plug assembly, as shown in figure 15, push rod 4 outer surfaces have the external screw thread 401 that cooperates with tapped through hole 1401, the outer surface of push rod 4 also has vertically spline chute 402 that extend and that match with the push rod rotation prevention portion of fixed plug assembly, and the first end of push rod 4 removably is connected with for the push rod cup 403 that promotes the piston in medicine bottle 3 openings.
The use procedure of the pen-type injector of present embodiment is as follows:
When regulating dosage, the patient rotates rotating operation section, and then drive push rod rotating cylinder 12 rotates, push rod rotating cylinder 12 is by the cooperation of spiral card article 1201 and screw-like chute 1102, push rod rotating cylinder 12 rotates and withdraws from gradually rotating cylinder support 11, retreat and then drive press operating part by the first limited step 1202 company's of drive cylinders 15 when push rod rotating cylinder 12 retreats and retreat, the displacement that connects on only having axially when cylinder 15 retreats is not rotated.Thereby can be provided with metering scale in rotating operation section makes things convenient for the patient to check dosage.If it is excessive to regulate, the patient can get final product by the counter-rotation operating portion.
It should be noted that connecting cylinder 15 in the whole adjustment process does not rotate, and then can not be with moving sleeve double-screw bolt 14 to rotate, like this, the interior piston of opening that push rod 4 just can not advance yet and promote medicine bottle 3.
Regulate and inject after dosage finishes, the patient presses press operating part, power is passed on company's cylinder 15 from press operating part, compress so that connect first end and first limited step 1202 of cylinder 15, the 12 stressed rear cooperations by spiral card article 1201 and screw-like chute 1102 of push rod rotating cylinder progress into rotating cylinder support 11, because stressed mutual compression between the first end that connects cylinder 15 and the first limited step 1202 connects 15 rotation so can drive with the frictional force between the first limited step 1202 by the first end that connects cylinder 15 in the process that push rod rotating cylinder 12 rotates.When connecting cylinder 15 rotation, sleeve double-screw bolt 14 rotates synchronously with connecting cylinder 15, owing to be provided with the push rod rotation prevention portion on the inwall of the axially extending bore of fixed plug assembly, this push rod rotation prevention portion cooperates with the spline chute 402 of the outer surface of push rod 4, so that push rod 4 only can carry out rectilinear motion vertically and can not rotate.Like this, thereby the rotation of sleeve double-screw bolt 14 can drive the interior piston-advance of opening that push rod 4 travels forward and promotes medicine bottle 3, and then finishes injection.
Those skilled in the art can know that pen-type injector of the present utility model goes for the injection of multi-medicament, are not limited to the injection of insulin.
Preferably, to shown in Figure 7, the fixed plug assembly comprises such as Fig. 3: fixed plug body 10, coyote hole top 5, double sided gear 7 and the first spring 6.The first end of fixed plug body 10 removably is connected to the second end of medicine bottle installation portion 2, and the inwall of fixed plug body 10 has the second limited step 101; Coyote hole top 5 is arranged in the fixed plug body 10 vertically movably, has the 3rd limited step 501 on the inwall on coyote hole top 5, has the first axial convex tendon 502 on the inwall of the 3rd limited step 501 to form the push rod rotation prevention portion, second end on coyote hole top 5 has first limited 503, has second limited 504 on the outer wall on coyote hole top; Double sided gear 7 spacing the second ends at fixed plug body 10, second limited of coyote hole top 5 is 504 spacing between double sided gear 7 and the second limited step 101, the first surface 702 of double sided gear 7 has the coyote hole top rotation prevention portion 703 that cooperates with first limited 503, and the second surface 704 of double sided gear 7 has the first counting tooth 705; The first spring 6 is arranged between the first surface 702 of the 3rd limited step 501 on coyote hole top 5 and double sided gear 7, and wherein, the axially extending bore of fixed plug assembly is formed by the endoporus on coyote hole top 5 and the endoporus of double sided gear 7.
Need to change dressings the bottle 3 o'clock, new medicine bottle 3 is packed in the medicine bottle installation portion 2, the opening of medicine bottle 3 is withstood coyote hole top 5, the first spring 6 compressions this moment, coyote hole top 5 is headed in the fixed plug body 10 by medicine bottle 3, and second end on coyote hole top 5 has first limited 503 and contact cooperation with the coyote hole top rotation prevention portion 703 of the first surface 702 of double sided gear 7, fixes so that coyote hole pushes up 5.
When laying down medicine bottle installation portion 2 and medicine bottle 3, coyote hole top 5 breaks away from double sided gear 7 mesothecium top rotation prevention portions 703 under the effect of the first spring 6 restoring forces.Promote push rod 4, so that push rod 4 is in the 14 interior rotations of sleeve double-screw bolt, and then drives coyote hole top 5 and rotate, until can not promote.
As shown in Figure 4, preferably, the second end of fixed plug body 10 has the first Access Division 102, have the second Access Division 701 that cooperates with the first Access Division 102 on the sidewall of double sided gear 7, double sided gear 7 is by spacing second end at fixed plug body 10 of cooperation of the first Access Division 102 and the second Access Division 701.Further preferably, as shown in Figure 3, the first two elastic cards of Access Division 102 for being oppositely arranged, the inwall of elastic card is provided with the first wedge shape buckle, the second Access Division 701 of double sided gear 7 is the first wedge shape fixture block, and the both sides of corresponding the first wedge shape fixture block also are provided with double sided gear anti-rotation block 102a on the inwall of the first Access Division 102.Double sided gear anti-rotation block 102a is used for fixed double-sided gear 7, and it can not be rotated.
Such as Fig. 4 and shown in Figure 9, also be provided with rotating cylinder stand connection 104 between two elastic cards, rotating cylinder stand connection 104 outer surfaces have the second wedge shape fixture block 104a, and the first end of rotating cylinder support 11 has the second bayonet socket 1104 that cooperates with the second wedge shape fixture block 104a.
Preferably, first limited 503 and first axial tooth and second axial tooth of coyote hole top rotation prevention portion 703 for cooperatively interacting.Certainly, as those skilled in the art's embodiment as can be known, first limited 503 and coyote hole top rotation prevention portion 703 also can be the fixture block that cooperatively interacts.
Such as Fig. 8 and shown in Figure 9, rotating cylinder support 11 has the 4th limited step 1101 near on the inwall of first end, the 4th limited step 1101 of rotating cylinder support 11 has screw-like chute 1102 to the inwall between the second end of rotating cylinder support 11, the second end of rotating cylinder support 11 has the 3rd Access Division 1103.
Such as Fig. 8 and shown in Figure 11, metering and injecting assembly also comprise: lock bracket 13, be connected at the second end of rotating cylinder support 11 with the 3rd Access Division of rotating cylinder support 11, and lock bracket 13 is spacing in rotating cylinder support 11 with the spiral card article 1201 of push rod rotating cylinder 12.
Preferably, the 3rd Access Division 1103 comprises clamping opening and the 3rd bayonet socket on the sidewall of rotating cylinder support 11 second ends, as shown in figure 11, lock bracket 13 have the card column 1301 that cooperates with the clamping opening and with the 4th wedge shape fixture block 1302 of the 3rd bayonet fittings.
Such as Fig. 2, Fig. 3, Fig. 8 and shown in Figure 13, second surface 704 butts of sleeve double-screw bolt 14 first ends and double sided gear 7, has the 5th limited step 1402 on sleeve double-screw bolt 14 lateral walls, the 5th limited step 1402 between the 4th limited step 1101 of double sided gear 7 and rotating cylinder support 11 and with the 4th limited step 1101 butts, it is spacing to realize vertically invariant position of relative rotating cylinder support 11 with the 4th limited step 1101 that sleeve double-screw bolt 14 is subject to double sided gear 7.
As shown in figure 12, even have the first driving section 1501 on the inwall of cylinder 15, the outer wall of sleeve double-screw bolt 14 is provided with the second driving section 1403 and 1404, the second driving sections 1403, the 3rd driving section that are positioned at the 5th limited step 1402 both sides and cooperates with the first driving section 1501.Connect being synchronized with the movement between cylinder 15 and the sleeve double-screw bolt 14 and cooperate realization by the second driving section 1403 with the first driving section 1501.The first driving section 1501 is preferably the second axial convex tendon, and the second driving section 1403 is preferably axial notch, and the advantage of said structure is that the first driving section 1501 moves axially Shi Buhui and forces in sleeve double-screw bolt 14.
Such as Fig. 2, Fig. 8 and shown in Figure 14, for so that when injection produce counting sound, metering and injecting assembly also comprise: inject the tooth 8 of beating, be arranged between the 4th limited step 1101 of double sided gear 7 and rotating cylinder support 11 and be set in outside the sleeve double-screw bolt 14, injection is beated and is had the 4th driving section 801 that cooperates with the 3rd driving section 1404 of sleeve double-screw bolt 14 on the inwall of tooth 8, injection beat have on the first surface of tooth 8 cooperate with the first counting tooth 705 of double sided gear 7 second count tooth 802; The second spring 9 is arranged on injection and beats between the 4th limited step 1101 of the second surface of tooth 8 and rotating cylinder support 11.The 4th driving section 801 is preferably the second axial convex tendon, and the 3rd driving section 1404 is preferably axial notch.
The patient is when injection, sleeve double-screw bolt 14 rotates synchronously with connecting cylinder 15, the 3rd driving section 1404 of sleeve double-screw bolt 14 cooperates with the 4th driving section 801, tooth 8 rotates so that injection is beated, like this, under the effect of the second spring 9, the second counting tooth 802 of injecting on tooth 8 first surfaces of beating is counted tooth 705 generation counting sound with first of double sided gear 7.
Preferably, the first counting tooth 705, the second counting tooth 802 are anti-reverse ratchet.Inject and beat tooth 8 under the tension force of the second spring 9, keep meshing with the first counting tooth 705 of double sided gear 7, inject simultaneously the tooth 8 of beating and to beat clockwise.
Such as Fig. 7 and shown in Figure 14, the first counting tooth 705, the second counting tooth 802 are axial tooth, have the first axial grooving between adjacent two teeth of the first counting tooth 705, have the second axial grooving between adjacent two teeth of the second counting tooth 802.
As shown in figure 12, connect cylinder 15 and be the ladder tubular, comprise the first cylinder 15a of section of company that is positioned at first end and be positioned at second of the second end and connect the cylinder 15b of section, the internal diameter of the first cylinder 15a of section of company is greater than the internal diameter of the second cylinder 15b of section of company, the first inwall that connects the cylinder 15a of section has the first driving section 1501, even has the 3rd counting tooth 1503 on the ladder end face of cylinder 15.
Preferably, such as Fig. 8, Figure 16, Figure 19 and shown in Figure 22, rotating operation section comprises: hopper 16 and encapsulate ring 17.Hopper 16 is set in 11 outer and the middle part of hopper 16 and the second end clampings of push rod rotating cylinder 12 of rotating cylinder support, has addend effect tooth spline fixture block 1601 on the inwall of hopper 16; Encapsulate ring 17 is set in outside the hopper 16 and with hopper 16 and rotates synchronously, has the 6th limited step 1701 of the end face that radially protrudes from hopper 16 on the inwall of encapsulate ring 17.Preferably, hopper 16 is circumferentially with metering scale near edge on the outer surface of encapsulate ring 17.As feasible embodiment, also hopper 16 and encapsulate ring 17 can be designed to integrative-structure.As concrete embodiment, as shown in figure 16, concave indentation 1203 and bayonet socket 1204 match incompatible the finish middle part of hopper 16 and the second end clamping of push rod rotating cylinder 12 of hopper 16 by card column 1602 and wedge 1603 and the second end of push rod rotating cylinder 12.Fixture block 1604 by on hopper 16 outer walls is realized being connected of hoppers 16 and encapsulate ring 17, and then realizes both being synchronized with the movement.
Such as Fig. 8 and shown in Figure 17, press operating part is caudal peduncle 21, caudal peduncle 21 comprises plate-like press section 2101 and a plurality of connecting portions 2102 that are connected with plate-like press section 2101, and connecting portion 2102 cooperates the connecting portion 2102 of caudal peduncle 21 spacing in encapsulate ring 17 with the 6th limited step 1701 of encapsulate ring 17.
To shown in Figure 19, for so that produce counting sound when regulating dosage, metering and injecting assembly also comprise such as Fig. 8, Figure 18: addend effect tooth 19, add subtrahend beat gear 18 and the 3rd spring 20.As shown in figure 18, addend effect tooth 19 has the draw-in groove 1901 that cooperates with addend effect tooth spline fixture block 1601, and addend effect tooth 19 has the 4th counting tooth 1902 towards the surface of push rod rotating cylinder 12, have the through hole of dodging; As shown in figure 19, adding the subtrahend gear 18 of beating is arranged in the hopper 16, add the subtrahend gear 18 of beating and be the ladder tubular, comprise the 3rd cylinder 18a of section of company that is positioned at first end and be positioned at the 4th of the second end and connect the cylinder 18b of section, the internal diameter of the 3rd cylinder 18a of section of company is greater than the internal diameter of the 4th cylinder 18b of section of company, the 4th connects the through hole of dodging that the cylinder 18b of section passes addend effect tooth 19, the 3rd end face that connects the cylinder 18a of section is provided with the 5th counting tooth 1801 that cooperates with the 3rd counting tooth 1503, add subtrahend beat have on the ladder end face of gear 18 with the 4th count that tooth 1902 cooperates the 6th count tooth 1802; As shown in Figure 8, the 3rd spring 20 is arranged between the plate-like press section 2101 of addend effect tooth 19 and caudal peduncle 21.As shown in figure 19, the 5th counting tooth 1801 and the 6th counting tooth 1802 are anti-reverse ratchet, and the tooth of the 5th counting tooth 1801 and the 6th counting tooth 1802 is helical teeth, and the bevel direction of helical teeth is opposite.
When regulating dosage, when addend, clockwise rotate rotating operation section (rotate encapsulate ring 17 and then drive hopper 16 and rotate), thereby driving push rod rotating cylinder 12 rotates, push rod rotating cylinder 12 is by the cooperation of spiral card article 1201 and screw-like chute 1102, push rod rotating cylinder 12 rotates and withdraws from gradually rotating cylinder support 11, retreats and then drives press operating part by the first limited step 1202 company's of drive cylinders 15 when push rod rotating cylinder 12 retreats and retreat, and the displacement that connects on only having axially when cylinder 15 retreats is not rotated.Addend effect tooth 19 rotates with hopper 16 addend effect tooth 19 synchronously because draw-in groove 1901 is subject to the spacing of addend effect tooth spline fixture block 1601, addend effect tooth 19 can drive by the cooperation of the 4th counting tooth 1902 and the 6th counting tooth 1802 and add the subtrahend gear 18 of beating and rotate, add subtrahend and beat under the elastic force effect of the rotation of gear 18 and the 3rd spring 20, can make the 5th counting tooth 1801 skid and then produce counting sound at the 3rd counting tooth 1503.
When subtrahend, opposite when operating with addend, rotate counterclockwise encapsulate ring 17, addend effect tooth 19 can't drive and add beat gear 18 of subtrahend and rotate, under the elastic force effect of the rotation of addend effect tooth 19 and the 3rd spring 20, can make the 4th counting tooth 1902 skid and then produce counting sound at the 6th counting tooth 1802.
See through such as the metering form 23 among Figure 21 and observe change in value.The 3rd spring 20 utilized elastic force to support addend effect tooth 19 or supports addend effect tooth 19 and add the subtrahend gear 18 of beating in when counting, and on the one hand, the other end of the 3rd spring 20 is supported the plate-like press section 2101 of caudal peduncle 21, can strengthen like this patient's feel again.
Such as Figure 12, Figure 18 and shown in Figure 19, the 3rd counting tooth 1503, the 4th counting tooth 1902, the 5th counting tooth 1801 and the 6th counting tooth 1802 are axial tooth, have the 3rd axial grooving between adjacent two teeth of the 4th counting tooth 1902, the 5th counting tooth 1801 and the 6th counting tooth 1802.
Can realize counting among the embodiment of sound, the patient can press caudal peduncle 21, and caudal peduncle 21 application of forces are beated on the gear 18 and then power can be passed to and connect on the cylinder 15 adding subtrahend.
Such as Fig. 1 and shown in Figure 21, pen-type injector also comprises the structures such as shell 22, counting form 23, lower casing 24, pen clip 25.
As shown in figure 20, have strip buckle 201 on the second end outer wall of medicine bottle installation portion 2, as shown in Figure 4, have the first bayonet socket 103 that cooperates with strip buckle 201 on the sidewall of fixed plug body 10.
As can be seen from the above description, this utility model the above embodiments have realized following technique effect:
1) device can reuse, for the patient saves.This utility model device only need be changed the medicine bottle of the medicines such as insulin, and just pen is thrown away after needn't finishing a shot.Thereby can save the expense of buying pen for the patient, also save social resources simultaneously.
2) patient can very accurately finish injection.This device is provided with the form count block, the injection volume the when patient can clearly know the medicines such as per injection insulin by form.
3) if the patient in when injection, transfers injection volume many or transfers fewly, this device can be realized increasing progressively and successively decrease and also needn't take off medicine bottle when operate, and the patient also needn't worry can produce leakage when readjustment, reaches the liquid medicine wasting phenomenon.
4) this device is simple to operate, and is reliable.
The above is preferred embodiment of the present utility model only, is not limited to this utility model, and for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (22)
1. a pen-type injector is characterized in that, comprising:
Medicine bottle installation portion (2), its first end removably are connected with syringe needle (1), and the second end of described medicine bottle installation portion (2) has for the installing hole that medicine bottle is installed;
Fixed plug assembly, first end removably are connected to the second end of described medicine bottle installation portion (2), and described fixed plug assembly has axially extending bore, is provided with the push rod rotation prevention portion on the inwall of described axially extending bore;
Metering and injecting assembly are connected with the second end of described fixed plug assembly, and described metering and injecting assembly comprise:
Rotating cylinder support (11), its first end is connected with the second end of described fixed plug assembly, and described rotating cylinder support (11) is and has screw-like chute (1102) on tubular and the inwall;
Push rod rotating cylinder (12), along in the described rotating cylinder support of axially movably being arranged on of described rotating cylinder support (11) (11), has the spiral card article (1201) that matches with described screw-like chute (1102) on the outer wall of described push rod rotating cylinder (12), the first end end face of described push rod rotating cylinder (12) has the first limited step (1202) that radially extends internally, and the second distal process of described push rod rotating cylinder (12) is for the second end of described rotating cylinder support (11) and be connected with rotating operation section;
Connect cylinder (15), be arranged in the described push rod rotating cylinder (12), described first end and described the first limited step (1202) butt that connects cylinder (15), described the second end that connects cylinder (15) is connected with press operating part;
Sleeve double-screw bolt (14) is arranged on and rotates synchronously described the company in the cylinder (15) and with the described cylinder (15) that connects, and the relatively described rotating cylinder support of described sleeve double-screw bolt (14) (11) is invariant position vertically, and described sleeve double-screw bolt (14) has tapped through hole (1401);
Push rod (4), be located in movably vertically in the described sleeve double-screw bolt (14), and the first end of described push rod (4) passes the axially extending bore of described fixed plug assembly, described push rod (4) outer surface has the external screw thread (401) that cooperates with described tapped through hole (1401), the outer surface of described push rod (4) has vertically spline chute (402) that extend and that match with described push rod rotation prevention portion, and the first end of described push rod (4) removably is connected with for the push rod cup (403) that promotes the piston in medicine bottle (3) opening.
2. pen-type injector according to claim 1 is characterized in that, described fixed plug assembly comprises:
Fixed plug body (10), first end removably are connected to the second end of described medicine bottle installation portion (2), and the inwall of described fixed plug body (10) has the second limited step (101);
Coyote hole top (5), be arranged on movably vertically in the described fixed plug body (10), has the 3rd limited step (501) on the inwall on described coyote hole top (5), has the first axial convex tendon (502) on the inwall of described the 3rd limited step (501) to form described push rod rotation prevention portion, second end on described coyote hole top (5) has first limited (503), has second limited (504) on the outer wall on described coyote hole top;
Double sided gear (7), spacing the second end at described fixed plug body (10), second limited (504) on described coyote hole top (5) are spacing between described double sided gear (7) and the second limited step (101), the first surface (702) of described double sided gear (7) has the coyote hole top rotation prevention portion (703) that cooperates with described first limited (503), and the second surface (704) of described double sided gear (7) has the first counting tooth (705);
The first spring (6) is arranged between the first surface (702) of the 3rd limited step (501) on described coyote hole top (5) and described double sided gear (7),
Wherein, the axially extending bore of described fixed plug assembly pushes up the endoporus of (5) by described coyote hole and the endoporus of double sided gear (7) forms.
3. pen-type injector according to claim 2, it is characterized in that, the second end of described fixed plug body (10) has the first Access Division (102), have the second Access Division (701) that cooperates with described the first Access Division (102) on the sidewall of described double sided gear (7), described double sided gear (7) is by spacing the second end at described fixed plug body (10) of the cooperation of described the first Access Division (102) and the second Access Division (701).
4. pen-type injector according to claim 2, it is characterized in that, described rotating cylinder support (11) has the 4th limited step (1101) near on the inwall of first end, the 4th limited step (1101) of described rotating cylinder support (11) has described screw-like chute (1102) to the inwall between the second end of described rotating cylinder support (11), the second end of described rotating cylinder support (11) has the 3rd Access Division (1103).
5. pen-type injector according to claim 4 is characterized in that, described metering and injecting assembly also comprise:
Lock bracket (13), be connected at the second end of described rotating cylinder support (11) with the 3rd Access Division (1103) of described rotating cylinder support (11), described lock bracket (13) is spacing in described rotating cylinder support (11) with the spiral card article (1201) of described push rod rotating cylinder (12).
6. pen-type injector according to claim 4, it is characterized in that, second surface (704) butt of described sleeve double-screw bolt (14) first end and described double sided gear (7), described sleeve double-screw bolt (14) has the 5th limited step (1402) on the lateral wall, described the 5th limited step (1402) be positioned between the 4th limited step (1101) of described double sided gear (7) and rotating cylinder support (11) and with described the 4th limited step (1101) butt, it is spacing to realize vertically invariant position of relative described rotating cylinder support (11) with the 4th limited step (1101) that described sleeve double-screw bolt (14) is subject to described double sided gear (7).
7. pen-type injector according to claim 6, it is characterized in that, has the first driving section (1501) on the inwall of described even cylinder (15), the outer wall of described sleeve double-screw bolt (14) is provided with the second driving section (1403) and the 3rd driving section (1404) that are positioned at described the 5th limited step (1402) both sides, and described the second driving section (1403) cooperates with described the first driving section (1501).
8. pen-type injector according to claim 7 is characterized in that, described metering and injecting assembly also comprise:
Inject the tooth (8) of beating, be arranged between the 5th limited step (1402) of described double sided gear (7) and described sleeve double-screw bolt (14) and be set in outside the described sleeve double-screw bolt (14), described injection is beated and is had the 4th driving section (801) that cooperates with the 3rd driving section (1404) of described sleeve double-screw bolt (14) on the inwall of tooth (8), described injection beat have on the first surface of tooth (8) cooperates with the first counting tooth (705) of described double sided gear (7) second count tooth (802); The second spring (9) is arranged on described injection and beats between the 4th limited step (1101) of the second surface of tooth (8) and described rotating cylinder support (11).
9. pen-type injector according to claim 8, it is characterized in that, the described cylinder (15) that connects is the ladder tubular, comprise the first cylinder section (15a) of company that is positioned at first end and be positioned at second of the second end and connect cylinder section (15b), the internal diameter of described the first cylinder section of company (15a) is greater than the internal diameter of described the second cylinder section of company (15b), the described first inwall that connects cylinder section (15a) has described the first driving section (1501), has the 3rd counting tooth (1503) on the ladder end face of described even cylinder (15).
10. pen-type injector according to claim 9 is characterized in that, described rotating operation section comprises:
Hopper (16) is set in described rotating cylinder support (11) outer and the middle part of described hopper (16) and the second end clamping of described push rod rotating cylinder (12), has addend effect tooth spline fixture block (1601) on the inwall of described hopper (16);
Encapsulate ring (17) is set in outside the described hopper (16) and with described hopper (16) and rotates synchronously, has the 6th limited step (1701) of the end face that radially protrudes from described hopper (16) on the inwall of described encapsulate ring (17).
11. pen-type injector according to claim 10 is characterized in that, described metering and injecting assembly also comprise:
Addend effect tooth (19), has the draw-in groove (1901) that cooperates with described addend effect tooth spline fixture block (1601), described addend effect tooth (19) has the 4th counting tooth (1902) towards the surface of described push rod rotating cylinder (12), described addend effect tooth (19) has the through hole of dodging;
Add the subtrahend gear (18) of beating, be arranged in the described hopper (16), the described subtrahend gear (18) of beating that adds is the ladder tubular, comprise the 3rd cylinder section (18a) of company that is positioned at first end and be positioned at the 4th of the second end and connect cylinder section (18b), the internal diameter of described the 3rd cylinder section of company (18a) is greater than the internal diameter of described the 4th cylinder section of company (18b), the described the 4th connects cylinder section (18b) passes the described through hole of dodging, the described the 3rd end face that connects cylinder section (18a) is provided with the 5th counting tooth (1801) that cooperates with described the 3rd counting tooth (1503), described add subtrahend beat have on the ladder end face of gear with the described the 4th count that tooth (1902) cooperates the 6th count tooth (1802);
The 3rd spring (20) is arranged between the plate-like press section (2101) of described addend effect tooth (19) and described caudal peduncle (21).
12. pen-type injector according to claim 2 is characterized in that, described first limited (503) and coyote hole top rotation prevention portion (703) the first axial tooth and the second axial tooth for cooperatively interacting.
13. pen-type injector according to claim 2, it is characterized in that, have strip buckle (201) on the second end outer wall of described medicine bottle installation portion (2), have the first bayonet socket (103) that cooperates with described strip buckle (201) on the sidewall of described fixed plug body (10).
14. pen-type injector according to claim 3, it is characterized in that, two elastic cards of described the first Access Division (102) for being oppositely arranged, the inwall of described elastic card is provided with the first wedge shape buckle, second Access Division (701) of described double sided gear (7) is the first wedge shape fixture block, and the both sides of corresponding described the first wedge shape fixture block also are provided with double sided gear anti-rotation block (102a) on the inwall of described the first Access Division (102).
15. pen-type injector according to claim 14, it is characterized in that, also be provided with rotating cylinder stand connection (104) between described two elastic cards, described rotating cylinder stand connection (104) outer surface has the second wedge shape fixture block (104a), and the first end of described rotating cylinder support (11) has the second bayonet socket (1104) that cooperates with described the second wedge shape fixture block (104a).
16. pen-type injector according to claim 5, it is characterized in that, described the 3rd Access Division (1103) comprises clamping opening and the 3rd bayonet socket on the sidewall of described rotating cylinder support (11) second ends, described lock bracket (13) have the card column (1301) that cooperates with described clamping opening and with the 4th wedge shape fixture block (1302) of described the 3rd bayonet fittings.
17. pen-type injector according to claim 8 is characterized in that, described the first counting tooth (705), the second counting tooth (802) are anti-reverse ratchet.
18. pen-type injector according to claim 8 is characterized in that, the first driving section (1501) and the 4th driving section (801) are the second axial convex tendon, and the second driving section (1403) and the 3rd driving section (1404) are axial notch.
19. pen-type injector according to claim 8, it is characterized in that, described the first counting tooth (705), the second counting tooth (802) are axial tooth, have the first axial grooving between adjacent two teeth of described the first counting tooth (705), have the second axial grooving between adjacent two teeth of the second counting tooth (802).
20. pen-type injector according to claim 10, it is characterized in that, described press operating part is caudal peduncle (21), described caudal peduncle (21) comprises plate-like press section (2101) and a plurality of connecting portions (2102) that are connected with described plate-like press section (2101), and described connecting portion (2102) cooperates the connecting portion (2102) of caudal peduncle (21) spacing in described encapsulate ring (17) with the 6th limited step (1701) of described encapsulate ring (17).
21. pen-type injector according to claim 10 is characterized in that, described hopper (16) is circumferentially with metering scale near edge on the outer surface of described encapsulate ring (17).
22. pen-type injector according to claim 11, it is characterized in that, the 3rd counting tooth (1503), the 4th counting tooth (1902), the 5th counting tooth (1801) and the 6th counting tooth (1802) are axial tooth, have the 3rd axial grooving between adjacent two teeth of the 4th counting tooth (1902), the 5th counting tooth (1801) and the 6th counting tooth (1802).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220318080 CN202802378U (en) | 2012-06-29 | 2012-06-29 | Pen-type injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220318080 CN202802378U (en) | 2012-06-29 | 2012-06-29 | Pen-type injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202802378U true CN202802378U (en) | 2013-03-20 |
Family
ID=47861325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220318080 Expired - Fee Related CN202802378U (en) | 2012-06-29 | 2012-06-29 | Pen-type injector |
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| Country | Link |
|---|---|
| CN (1) | CN202802378U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102716529A (en) * | 2012-06-29 | 2012-10-10 | 甘李药业有限公司 | Pen injector |
| CN104198229A (en) * | 2014-09-03 | 2014-12-10 | 中国科学院植物研究所 | Gas sampling injector |
| CN105120926A (en) * | 2013-04-18 | 2015-12-02 | 诺和诺德股份有限公司 | Fixation of a torsion spring |
| WO2016120180A1 (en) * | 2015-01-28 | 2016-08-04 | Novo Nordisk A/S | A piston rod drive for an injection device |
| CN105944186A (en) * | 2016-05-18 | 2016-09-21 | 苏州鹏烨医疗科技有限公司 | Injection pen |
| CN106039475A (en) * | 2016-05-18 | 2016-10-26 | 苏州鹏烨医疗科技有限公司 | Injection pen |
| CN106267475A (en) * | 2016-09-28 | 2017-01-04 | 江苏德尔福医疗器械有限公司 | Disposable adjustable syringe |
| CN108743373A (en) * | 2018-04-18 | 2018-11-06 | 黄文佳 | A kind of eyedrops packing plastic bottle |
| CN109789277A (en) * | 2016-10-13 | 2019-05-21 | 艾斯曲尔医疗公司 | Controller for medicament delivery device |
| EP3622985A4 (en) * | 2017-05-08 | 2020-10-14 | Gansu Changee Bio-pharmaceutical Co., Ltd. | Injection pen |
| CN114040789A (en) * | 2019-06-17 | 2022-02-11 | 卢昱來 | Plunger capable of moving back and forth and medicine injection device comprising same |
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2012
- 2012-06-29 CN CN 201220318080 patent/CN202802378U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102716529A (en) * | 2012-06-29 | 2012-10-10 | 甘李药业有限公司 | Pen injector |
| CN105120926A (en) * | 2013-04-18 | 2015-12-02 | 诺和诺德股份有限公司 | Fixation of a torsion spring |
| CN104198229A (en) * | 2014-09-03 | 2014-12-10 | 中国科学院植物研究所 | Gas sampling injector |
| WO2016120180A1 (en) * | 2015-01-28 | 2016-08-04 | Novo Nordisk A/S | A piston rod drive for an injection device |
| US10722656B2 (en) | 2015-01-28 | 2020-07-28 | Novo Nordisk A/S | Piston rod drive for an injection device |
| CN106039475B (en) * | 2016-05-18 | 2019-08-02 | 苏州鹏烨医疗科技有限公司 | A kind of injection pen |
| CN105944186A (en) * | 2016-05-18 | 2016-09-21 | 苏州鹏烨医疗科技有限公司 | Injection pen |
| CN106039475A (en) * | 2016-05-18 | 2016-10-26 | 苏州鹏烨医疗科技有限公司 | Injection pen |
| CN106267475A (en) * | 2016-09-28 | 2017-01-04 | 江苏德尔福医疗器械有限公司 | Disposable adjustable syringe |
| CN109789277A (en) * | 2016-10-13 | 2019-05-21 | 艾斯曲尔医疗公司 | Controller for medicament delivery device |
| CN109789277B (en) * | 2016-10-13 | 2022-03-29 | 艾斯曲尔医疗公司 | Controller for a medicament delivery device |
| US11357924B2 (en) | 2016-10-13 | 2022-06-14 | Shl Medical Ag | Controller for a medicament delivery device |
| EP3622985A4 (en) * | 2017-05-08 | 2020-10-14 | Gansu Changee Bio-pharmaceutical Co., Ltd. | Injection pen |
| CN108743373A (en) * | 2018-04-18 | 2018-11-06 | 黄文佳 | A kind of eyedrops packing plastic bottle |
| CN108743373B (en) * | 2018-04-18 | 2021-01-08 | 青岛市黄岛区中心医院 | Plastic packaging bottle for eyedrops |
| CN114040789A (en) * | 2019-06-17 | 2022-02-11 | 卢昱來 | Plunger capable of moving back and forth and medicine injection device comprising same |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20140629 |
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| EXPY | Termination of patent right or utility model |