CN104874048A - Flexibly packaged medicine liquid injection device and flexibly packaged medicine liquid injection method - Google Patents
Flexibly packaged medicine liquid injection device and flexibly packaged medicine liquid injection method Download PDFInfo
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- CN104874048A CN104874048A CN201510149717.7A CN201510149717A CN104874048A CN 104874048 A CN104874048 A CN 104874048A CN 201510149717 A CN201510149717 A CN 201510149717A CN 104874048 A CN104874048 A CN 104874048A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
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- Vascular Medicine (AREA)
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Abstract
The invention relates to an injection system, in particular to a flexibly packaged medicine liquid injection device. The flexibly packaged medicine liquid injection device is characterized by comprising a liquid delivery pump and an openable sealed container, wherein the sealed container is provided with a liquid medicine draining opening and a liquid inlet and outlet opening; and the liquid inlet and outlet opening is connected with an outlet end of the liquid delivery pump. By the flexibly packaged medicine liquid injection device which can be reused and is safe in injection and the method for implementing injection by using the flexibly packaged medicine liquid injection device, the problems that the existing injection system cannot be reused and injection is interrupted or embolism is caused due to cross contamination or air bubbles are solved.
Description
Technical field
The present invention relates to injecting systems, particularly relate to a kind of flexible-package liquid medicine injection device and injecting method.
Background technology
High-pressure injection system is the conventional auxiliary facilities in Medical Image System, its effect be ensure within a certain period of time by the high concentration contrast agent fast injection of q.s to check point.Now, high-pressure injection system has been widely used in various angiography, CT strengthens in angiography scans and MRI enhanced ct scans.The contrast medium that X ray CT radiography and MRI radiography use has the large characteristic of viscosity, the large chemical solution of injection viscosity as x-ray CT radiography contrast medium (if iohexol, iodixanol, iopamidol etc. are containing iodine x-ray contrast agent) and need high-pressure injection for the contrast medium (as the gadolinium such as Gadobenate Dimeglumine, Magnevist Solution series contrast media) of MRI, manual operations is difficult and working strength is high.
At present, the high-pressure injection system gone on the market is divided into two kinds, be the high-pressure injection system containing syringe cylinder, it is characterized in that first contrast agent being extracted in injector syringe, then by high-pressure injection to radiography position (such as Empower CTA high pressure injector).Be 2014100587909 in Chinese Patent Application No., publication date be June 25 in 2014 day, be called in the patent document of " a kind of contrast agent high pressure injector and assembly thereof " injection device namely disclosed containing syringe cylinder.
Another is not containing the powered contrast injection system of syringe cylinder, is by peristaltic pump as high voltage power, by pump hose contrast-medium injection to radiography position (the Ulrich Missouri high pressure injector of such as Germany's production).
High-pressure injection system containing syringe cylinder, there is following defect: after a patient injection terminates, next patient does not come, and the piston of syringe could not fall back on syringe root in time, cause high pressure injector inwall in atmosphere open-assembly time long, and contaminated; During high pressure injector aspirating drug, medicine bottle stopper need be opened, the dust in air, the chip of hand has the possibility polluting medicine; The high pressure injector syringe of current use is all disposable, otherwise has the risk of cross-contamination, but can increase the medical treatment cost of patient like this.
By the injecting systems of peristaltic pump as high voltage power, there is following defect: produced the alveolate generation of meeting in the process of high voltage power by peristaltic pump extrusion pump flexible pipe, although be designed with bubble detection device, but once there be bubble to produce, bubble detector detects that bubble can interrupt injection automatically, can affect the carrying out of contrast-medium injection, if once checkout gear is malfunctioning, bubble just has the possibility being expelled to human body, has the risk causing thromboembolism.
Summary of the invention
The invention provides a kind of recycling and the flexible-package liquid medicine injection device of injection safety and being undertaken by this device method of injecting, solve existing injecting systems and can not reuse and occur cross-contamination or produce bubble to cause injecting the risk interrupting or cause thromboembolism.
Above technical problem is solved by following technical proposal: a kind of flexible-package liquid medicine injection device, it is characterized in that, comprise fluid delivery pump and can the hermetic container of folding, described hermetic container is provided with the fluid inlet and outlet that medicinal liquid delivery outlet is connected with the port of export with described fluid delivery pump.
As preferably, described hermetic container comprises the first half portion and is sealedly attached to the second half portion of the first half portion opening or closing, and described medicinal liquid delivery outlet is arranged between described first half portion and the second half portion.Convenience when can take into account sealing and convenience when changing medicinal liquid outlet tube.
As preferably, described medicinal liquid delivery outlet is provided with sealing member, described sealing member comprises the connecting ring that the elastic packing pipe that is positioned at hermetic container and sealing are docked at elastic packing pipe one end, connecting ring is sealedly connected on medicinal liquid equipped at outlet port, the inner surface of described elastic packing pipe is taper seat, and the aperture area of one end that described elastic packing pipe connects with connecting ring is large, little away from the aperture area of connecting ring one end.When the inner surface sealed envelope that medicinal liquid carrier pipe external diameter increases to the large one end of the aperture area of elastic packing pipe is on medicinal liquid carrier pipe, it is the medicinal liquid carrier pipe of the maximum outside diameter that the present invention can install; Medicinal liquid carrier pipe reduced diameter, to when the inner surface sealed envelope of the little one end of the aperture area of only elastic packing pipe is on medicinal liquid carrier pipe, is the medicinal liquid carrier pipe of the minimum outer diameter that the present invention can install.The sealing of the medicinal liquid carrier pipe of various outer diameter can be adapted to, sealing member does not need same medicinal liquid carrier pipe size to mate correspondingly, as long as the external diameter of medicinal liquid carrier pipe is in the scope that elastic packing Guan Suoneng mate, just without the need to changing sealing member when changing medicinal liquid carrier pipe, convenience when improve use with reduce use cost.Elastic packing pipe is positioned at hermetic container, and the pressure of fluid enough plays extruding elastic packing pipe and improves the effect of strong sealing effectiveness.
As preferably, described elastic packing pipe is turning structure.First make elastic packing pipe be turned to inner surface outwardly during use, then medicinal liquid carrier pipe penetrated elastic packing pipe, then in draw medicinal liquid carrier pipe to elastic packing pipe upset for inner surface inwardly.Medicinal liquid carrier pipe twitch in elastic packing pipe and shift position time can abradable seal pipe and cause sealing effectiveness to decline, " elastic packing pipe is turning structure " can reduce the wearing and tearing to elastic packing pipe internal surface and sealing surface when medicinal liquid carrier pipe is twitched in elastic packing pipe, installs in medicinal liquid carrier pipe to the process of elastic packing pipe little on the impact of the sealing property of sealing member.
As preferably, be provided with in described hermetic container and make the soft bag of medicinal liquid leave bracing frame in hermetic container in vacant state.The whole outer surface of the soft bag of medicinal liquid can be made can both to be subject to the extruding of fluid, thus the medicinal liquid in the soft bag of medicinal liquid can be discharged fully and be more not easy to produce soft bag disrepair phenomenon.
The present invention also comprises the fluid storage case that the entrance point with described fluid delivery pump links together.By the soft bag of fluid compression medicinal liquid, injection speed and the amount of medicinal liquid directly can be controlled by the flow and speed controlling fluid delivery pump in more convenient ground.
As preferably, described fluid inlet and outlet is arranged at the bottom of hermetic container.Easily the fluid injected in hermetic container can be discharged up hill and dale.Make the control of injection volume more accurate.
As preferably, in described hermetic container, be provided with heater.Medicinal liquid can be kept at design temperature, be generally about 37 DEG C, because 37 DEG C close to human body temperature, not only solve the problem of resistance of human body, also help the viscosity reducing contrast agent, be conducive to the carrying out of injecting.
A kind of flexible-package liquid medicine injecting method, comprises the following steps
The first step, be placed in hermetic container by soft for the medicinal liquid that medicinal liquid to be injected is housed bag, the medicinal liquid carrier pipe that the soft bag of same medicinal liquid is connected is through medicinal liquid delivery outlet;
Second step, be transported in hermetic container by fluid through fluid inlet and outlet by fluid delivery pump, the fluid in input hermetic container squeezes the soft bag of medicinal liquid thus the medicinal liquid realized in the soft bag of medicinal liquid injects through medicinal liquid carrier pipe.
As preferably, first step herb liquid carrier pipe is be sealed connected together with medicinal liquid outlet; Output speed and output by controlling fluid delivery pump in second step control injection speed and injection volume.
As preferably, by the following method medicinal liquid carrier pipe is sealed connected together with medicinal liquid outlet in the first step:
A1, elastic packing pipe is turned to elastic packing pipe inner surface outwardly and stretch out hermetic container through medicinal liquid delivery outlet;
A2, make medicinal liquid carrier pipe with from hermetic container to the mode outside hermetic container through sealing member, under the effect of elastic packing pipe its own resilient, the outer surface of elastic packing pipe is flexibly clamped on medicinal liquid carrier pipe;
A3, draw medicinal liquid carrier pipe towards hermetic container inside, make elastic packing pipe be turned to the inner surface of elastic packing pipe inwardly, under the elastic force effect of elastic packing pipe, the inner surface of elastic packing pipe is sealed on medicinal liquid carrier pipe.
The present invention has following advantage: injection speed and the injection volume that can calculate medicinal liquid conveniently by the transporting velocity of conveyance fluid and output, and prior art is accurately and easily to obtain for the conveying capacity of pump and (as the dosing pump) of output speed, thus make the injection speed of medicinal liquid and measure to facilitate accurately to know, existing control injection speed is known (as it is so instant to have an intravenous drip) by sense organ, injection volume is obtained by manual observation, therefore poor accuracy and inconvenient, medicinal liquid can not be realized carry out injecting (namely once must inject one bag) in the mode of half bag, there is no syringe, need not medicinal liquid be extracted, cross infection can be avoided completely, do not have bubble in injection process to produce, solve by the defect of peristaltic pump as the injecting systems generation bubble of high voltage power, avoid the generation because of bubble to interrupt injection operation, improve the safety of contrast-medium injection, need not use the disposable high pressure resistant syringe cylinder involved great expense, directly be injected by exclusion medicated bag, more medicine dressing change bag after injection, cost is lower, reduction medical treatment cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one;
Fig. 2 is the using state schematic diagram of embodiment one;
Fig. 3 is the schematic diagram of the hermetic container in the embodiment of the present invention two;
Fig. 4 is the schematic diagram of the hermetic container in the embodiment of the present invention three;
Fig. 5 be prepare by medicinal liquid carrier pipe through in sealing member time schematic diagram;
Fig. 6 be medicinal liquid carrier pipe through in sealing member time schematic diagram;
Fig. 7 is the schematic diagram of sealing member when being sealably coupled on medicinal liquid carrier pipe.
In figure: hermetic container 1, medicinal liquid delivery outlet 11, fluid inlet and outlet 12, first half portion 13, second half portion 14, hinge 15, knocker 16, bracing frame 17, liquid storage tank 2, spiracle 21, liquid outlet 22, valve 23, fluid delivery pump 3, the soft bag 4 of medicinal liquid, medicinal liquid carrier pipe 5, sealing member 6, elastic packing pipe 61, the inner surface 611 of elastic packing pipe, the outer surface 612 of elastic packing pipe, connecting ring 62.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the present invention is further illustrated.
Embodiment one, see Fig. 1, a kind of flexible-package liquid medicine injection device, comprises hermetic container 1, liquid storage tank 2 and fluid delivery pump 3.
Hermetic container 1 is provided with medicinal liquid delivery outlet 11 and fluid inlet and outlet 12.Fluid inlet and outlet 12 is arranged at the bottom of hermetic container 1.1 hermetic container 1 comprises the first half portion 13 and the second half portion 14.It is hinged that first half portion 13 and the second half portion 14 pass through hinge 15.Knocker 16 is provided with between first half portion 13 and the second half portion 14.First half portion 13 and the second half portion 14 are close together and knocker 16 is buckled time be sealed connected together.Bracing frame 17 is provided with in hermetic container 1.The heater (not drawing in figure) that temperature can control is provided with in hermetic container 1.
Liquid storage tank 2 is provided with spiracle 21 and liquid outlet 22.Liquid outlet 22 is provided with valve 23.
The port of export of fluid delivery pump 3 is docking together with fluid inlet and outlet 12.The entrance point of fluid delivery pump 3 links together with liquid outlet 22.
See Fig. 2, the method for being carried out flexible-package liquid medicine injection by flexible-package liquid medicine injection device of the present invention is:
The first step, unlatching knocker 16, the first half portion 13 and the second half portion 14 is made separately for axle rotates with hinge 15, be shelved on bracing frame 17 by soft for the medicinal liquid that medicinal liquid to be injected is housed bag 4, the medicinal liquid carrier pipe 5 that the soft bag 4 of same medicinal liquid is connected is through medicinal liquid delivery outlet 11.Medicinal liquid carrier pipe 5 is sealed connected together by sealing ring with medicinal liquid outlet 11.Close up the first half portion 13 and the second half portion 14, buckle knocker 16 and the first half portion 13 and the sealing of the second half portion 14 are fixed together.
Second step, Open valve 23 and fluid delivery pump 3, fluid (being specially water) in liquid storage tank 2 is transported in hermetic container 1 through fluid inlet and outlet 12 by fluid delivery pump 3, input hermetic container 1 in the whole surface of fluid to the soft bag of medicinal liquid 4 squeeze, the medicinal liquid in the soft bag 4 of medicinal liquid is exported from medicinal liquid carrier pipe 5 thus realize inject.Injection speed and injection volume is controlled by the output speed and output that control fluid delivery pump.The computing formula of injection volume is V1=V2+V3-V4, wherein V1 is the volume of the medicinal liquid injected, V2 is the volume of the fluid be injected in hermetic container, and V3 is the volume of hermetic container, and V4 is the apparent volume that the soft bag of medicinal liquid to be injected is housed be placed in hermetic container.Judge in injection process that the method whether medicinal liquid in the soft bag 4 of medicinal liquid has been injected is, by the outlet pressure of test fluid delivery pump 3, then represents when the outlet pressure of test fluid delivery pump 3 jumps and has injected.Make fluid delivery pump 3 reverse after having injected and the liquid in hermetic container 1 and water drawn back again in liquid storage tank 2 for reusing next time.So far namely complete the injection of one bag of medicinal liquid, repeat the injection that said process carries out next bag of medicinal liquid.
Opening heater in injection process makes the fluid temperature in the soft bag 4 of medicinal liquid remain on about 37 °.
Embodiment two, the difference with embodiment one is:
See Fig. 3, medicinal liquid delivery outlet 11 is arranged between the first half portion 13 and the second half portion 14.
Embodiment three, the difference with embodiment one is:
See Fig. 4, medicinal liquid delivery outlet is provided with sealing member 6.Sealing member 6 comprises elastic packing pipe 61 and connecting ring 62.Connecting ring 62 and elastic packing pipe 61 are structure as a whole and for being tightly connected.Elastic packing pipe 61 is turning structure.It is inner that elastic packing pipe 61 is positioned at hermetic container 1.The inner surface 611 of elastic packing pipe is taper seat.The outer surface 612 of elastic packing pipe is taper seat.The outer radius of one end that elastic packing pipe 61 connects with connecting ring outer radius that is large, the other end is little.The aperture area of one end that elastic packing pipe 61 connects with connecting ring aperture area that is large, the other end is little.It is cambered surface transition between connecting ring 62 and elastic packing pipe 61.
By the following method medicinal liquid carrier pipe is sealed connected together with medicinal liquid outlet in the first step:
See Fig. 5, A1, elastic packing pipe 61 is turned to elastic packing pipe inner surface 611 outwardly and elastic packing pipe 61 stretches out hermetic container 1 through medicinal liquid delivery outlet 11.
See Fig. 6, A2, make medicinal liquid carrier pipe 5 with in hermetic container 1 to the mode outside hermetic container through sealing member 6, under the effect of elastic packing pipe 61 its own resilient, the outer surface 612 of elastic packing pipe is flexibly clamped on medicinal liquid carrier pipe 5.
See Fig. 7, A3, draw medicinal liquid carrier pipe 5 towards hermetic container 1 inside, elastic packing pipe 61 is made to be turned to the inner surface 611 of elastic packing pipe inwardly, under the elastic force effect of elastic packing pipe 61, flexibly the inner surface of sealed tube is sealed on medicinal liquid carrier pipe, by drawing medicinal liquid carrier pipe 4 towards hermetic container outside, make elastic packing pipe 61 be turned to the inner surface 611 of elastic packing pipe inwardly, under the elastic force effect of elastic packing pipe 61, the inner surface 611 of elastic packing pipe is sealed on medicinal liquid carrier pipe 5.
Above in each embodiment by liquid exclusion medicinal liquid soft bag 4, be certainly also fine with gas, just with during gas then by the speed of fluid delivery pump 3 and output convert injection speed and injection volume time accuracy not as employing liquid.
Claims (10)
1. a flexible-package liquid medicine injection device, is characterized in that, comprise fluid delivery pump and can the hermetic container of folding, described hermetic container is provided with the fluid inlet and outlet that medicinal liquid delivery outlet is connected with the port of export with described fluid delivery pump.
2. flexible-package liquid medicine injection device according to claim 1, it is characterized in that, described hermetic container comprises the first half portion and is sealedly attached to the second half portion of the first half portion opening or closing, and described medicinal liquid delivery outlet is arranged between described first half portion and the second half portion.
3. flexible-package liquid medicine injection device according to claim 1, it is characterized in that, described medicinal liquid delivery outlet is provided with sealing member, described sealing member comprises the connecting ring that the elastic packing pipe that is positioned at hermetic container and sealing are docked at elastic packing pipe one end, connecting ring is sealedly connected on medicinal liquid equipped at outlet port, the inner surface of described elastic packing pipe is taper seat, and the aperture area of one end that described elastic packing pipe connects with connecting ring is large, little away from the aperture area of connecting ring one end.
4. flexible-package liquid medicine injection device according to claim 3, is characterized in that, described elastic packing pipe is turning structure.
5. the flexible-package liquid medicine injection device according to claim 1 or 2 or 3 or 4, is characterized in that, is provided with and makes the soft bag of medicinal liquid leave bracing frame in hermetic container in vacant state in described hermetic container.
6. the flexible-package liquid medicine injection device according to claim 1 or 2 or 3 or 4, is characterized in that, also comprises the fluid storage case that the entrance point with described fluid delivery pump links together.
7. the flexible-package liquid medicine injection device according to claim 1 or 2 or 3 or 4, it is characterized in that, described fluid inlet and outlet is arranged at the bottom of hermetic container.
8. the flexible-package liquid medicine injection device according to claim 1 or 2 or 3 or 4, is characterized in that, be provided with heater in described hermetic container.
9. be applicable to a flexible-package liquid medicine injecting method for flexible-package liquid medicine injection device according to claim 1, it is characterized in that, comprise the following steps
The first step, be placed in hermetic container by soft for the medicinal liquid that medicinal liquid to be injected is housed bag, the medicinal liquid carrier pipe that the soft bag of same medicinal liquid is connected is through medicinal liquid delivery outlet;
Second step, be transported in hermetic container by fluid through fluid inlet and outlet by fluid delivery pump, the fluid in input hermetic container squeezes the soft bag of medicinal liquid thus the medicinal liquid realized in the soft bag of medicinal liquid injects through medicinal liquid carrier pipe.
10. flexible-package liquid medicine injecting method according to claim 9, is characterized in that, first step herb liquid carrier pipe is be sealed connected together with medicinal liquid outlet; Output speed and output by controlling fluid delivery pump in second step control injection speed and injection volume.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510149717.7A CN104874048A (en) | 2015-04-01 | 2015-04-01 | Flexibly packaged medicine liquid injection device and flexibly packaged medicine liquid injection method |
| PCT/CN2016/075295 WO2016155453A1 (en) | 2015-04-01 | 2016-03-02 | Flexibly packaged liquid medicine injection device and injection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510149717.7A CN104874048A (en) | 2015-04-01 | 2015-04-01 | Flexibly packaged medicine liquid injection device and flexibly packaged medicine liquid injection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104874048A true CN104874048A (en) | 2015-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510149717.7A Pending CN104874048A (en) | 2015-04-01 | 2015-04-01 | Flexibly packaged medicine liquid injection device and flexibly packaged medicine liquid injection method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104874048A (en) |
| WO (1) | WO2016155453A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016155453A1 (en) * | 2015-04-01 | 2016-10-06 | 上海司太立制药有限公司 | Flexibly packaged liquid medicine injection device and injection method |
| CN113456928A (en) * | 2021-07-08 | 2021-10-01 | 广州友沃医疗设备有限公司 | Push type high-pressure syringe |
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- 2015-04-01 CN CN201510149717.7A patent/CN104874048A/en active Pending
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| US3949753A (en) * | 1972-11-27 | 1976-04-13 | Rolf Dockhorn | Apparatus for supplying aseptic fluids |
| US5090963A (en) * | 1990-10-19 | 1992-02-25 | Product Development (Z.G.S.) Ltd. | Electrochemically driven metering medicament dispenser |
| US6635028B1 (en) * | 1997-12-16 | 2003-10-21 | Centro Sviluppo Materiali S.P.A. | Surgical device for the irrigation and the suction of a physiological solution |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016155453A1 (en) * | 2015-04-01 | 2016-10-06 | 上海司太立制药有限公司 | Flexibly packaged liquid medicine injection device and injection method |
| CN113456928A (en) * | 2021-07-08 | 2021-10-01 | 广州友沃医疗设备有限公司 | Push type high-pressure syringe |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016155453A1 (en) | 2016-10-06 |
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Application publication date: 20150902 |