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CN201286905Y - Novel disposable accurate transfusion device - Google Patents

Novel disposable accurate transfusion device Download PDF

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Publication number
CN201286905Y
CN201286905Y CNU2008201339605U CN200820133960U CN201286905Y CN 201286905 Y CN201286905 Y CN 201286905Y CN U2008201339605 U CNU2008201339605 U CN U2008201339605U CN 200820133960 U CN200820133960 U CN 200820133960U CN 201286905 Y CN201286905 Y CN 201286905Y
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China
Prior art keywords
air
fine filter
transfusion device
gas phase
medicinal liquid
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Expired - Fee Related
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CNU2008201339605U
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Chinese (zh)
Inventor
杜鸿钧
林茹
王怡梅
张丽艳
曹艳春
孙丽丽
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杜鸿钧
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Priority to CNU2008201339605U priority Critical patent/CN201286905Y/en
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Publication of CN201286905Y publication Critical patent/CN201286905Y/en
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Abstract

The utility model relates to a novel disposable precision transfusion device, which particularly relates to a novel structural disposable precision transfusion device which has the function of automatic exhaustion, and can conduct precision filtration to air and medicine liquor by adopting air to adjust speed replacing the traditional dropping speed adjusting method. The novel disposable precision transfusion device is characterized in that a dropping speed adjusting scale and a novel air precision filter of an air phase film are arranged, and an automatic exhaustion mechanism and a medicine liquor precision filter of a liquid phase film are arranged; and a dropping hopper and a small wheel dropping speed adjuster of the ordinary disposable transfusion device are omitted. The utility model solves the problems that the insoluble microparticle of choking the blood capillary can not be removed through the prior disposable transfusion device, the adjustment of the dropping speed is visual and precision, and the security and the reliability of the disposable transfusion device are enhanced; and the novel disposable precision transfusion device plays the active role of guaranteeing medical health of the ordinary people. The serial products can be made, which are suitable for the chemotherapy, the babies and infants, the seriously-injured patient, SARS and the infecting ward, and are also suitable for the ordinary patient. The utility model has the advantages that the performance and the quality of the disposable transfusion device are enhanced, the utility model is the update product of the prior disposable transfusion device, and the economical benefit and the social benefit are remarkable.

Description

The new disposable precision infusion set
Affiliated technical field
This utility model relates to a kind of medical Transfusion device, particularly relates to changing a tradition velocity modulation joint method, replaces the air speed governing; And can also have the disposable precision infusion set of a kind of new structure of automatic vent function to air and the secondary filter of transfusion medicinal liquid that replenishes in the infusion bottle.Be applicable to that patients undergoing chemotherapy, infant, critical patient, SARS sars ward, lazaretto ward use, and also are applicable to common patient or patient and the place high to the infusion filter prescription certainly.
Background technology
Venous transfusion is clinical the most frequently used basic nursing operation, also is the important means of clinical treatment, and its injection quality has a direct impact treatment of diseases; Injection quality very part and parcel should comprise the size of importing the human body drug particle.Except by the known bacterial infection of people, the pyrogen reaction, the particle contamination reaction that is caused by particulate matter also more and more is subject to people's attention; As symptom, particularly patients undergoing chemotherapy such as rubescent, the numb tenderness of vein, congestion and swelling pain, streak blackening hardening even serious consequences such as local skin festers take place.Microgranule in the transfusion is meant insoluble, the invisible material of naked eyes of sneaking in the transfusion, mainly contain crystalline solid microgranule, transfusion environmental air grit, plug microgranule, glass chip, cellulose, plastic particles etc., Chinese medicine class injection is because also there is a large amount of insoluble microparticles in the shortcoming of purifying technique in addition; These microgranules have plenty of and exist in medicine, the liquid, have plenty of that infusion set pollutes, and have plenty of by the transfusion environmental air and pollute, if can not get filtering in last pass of input human body, will work the mischief to human body.The thinnest place of normal adult blood capillary diameter is 6-8 μ m, and infant is 3 μ m; Bring the interior particle matter of blood circulation in the infusion process into as foreign body, can not be absorbed by body metabolism, when mean particle dia during greater than the blood capillary diameter, just may artery-clogging, cause lung granuloma, pulmonary edema, phlebitis, anaphylaxis, the reaction of pyrogen sample, local organization thromboembolism and necrosis, even cause tumor to form or the reaction of tumor sample.At present, the aperture of the filter medium of general infusion set is about 10 μ m, to the effect of not damming substantially of the microgranule below the 10 μ m; Therefore, as entering adult's blood circulation, enter the infant blood circulation greater than the various insoluble microparticles in the transfusion of 3 μ m and will cause immeasurable consequence greater than the various insoluble microparticles in the transfusion of 6-8 μ m; These particulate matters in blood vessel of hiding, in the little blood vessel of internal organs such as the heart, brain, lung, kidney, liver, eye, stop up, deposit, can cause tissue necrosis and pathological changes in various degree, the phlebothrombosis that microgranule forms affects microcirculation in human body again, make the people after several years or decades, cardiovascular and cerebrovascular diseases such as apoplexy, thromboembolism may occur, cause the sickness rate height and the rejuvenation of cardiovascular and cerebrovascular disease.At present, see a doctor to hospital, it is general infusing to the utmost, and the annual consumption of disposable infusion set has reached tens, and therefore, the medicinal liquid fine straining problem of reply disposable transfusion device causes enough attention and concern.
During the SARS SARS, why are there so much nursing staff, medical worker and close exposed population group to infect SARS at the beginning? study carefully is not pay attention to viral aerial infection in fact, and about the little order of magnitude of SARS virus volume ratio common bacteria, therefore, but disposable transfusion device how to develop a kind of filtering SARS virus also is a problem.
Existing common disposable transfusion device, drip the adjusting of fast speed, it is the fast actuator that drips that steamboat is pushed tube for transfusion, this actuator is not directly perceived, no scale, and a velocity modulation joint difficulty is big, sometimes after the nurse mixes up, patient or nursing staff regulate again voluntarily, so that cause the speed that is difficult to by doctor's advice to infuse, or have an accident.
In addition, existing common disposable transfusion device does not have the automatic vent function, accumulates in the interior gas of tube for transfusion once not noting importing in the patient's blood vessel, consequently causes the accident; Therefore, the just careful tours of inspection of palpus nurse constantly discharge these gases, and these gases often is difficult for manually being discharged, and this also is a difficult problem in the nursery work.
Summary of the invention
Based on the problems referred to above, the utility model proposes a kind of disposable precision infusion set of new structure, saved the dropping funnel (dripping kettle) of common disposable transfusion device and the fast actuator that drips that steamboat is pushed tube for transfusion; Change a traditional velocity modulation joint method, replaced the air speed governing; And also has the air fine straining that replenishes in the infusion bottle, to transfusion medicinal liquid secondary filter and self-bleeding function; To adapt to patients undergoing chemotherapy, infant, critical illness human needs, also be applicable to common patient or patient and the place high certainly to the infusion filter prescription.
The technical scheme that its technical problem that solves this utility model adopts is: the new disposable precision infusion set has air strainer, bottle stopper puncture needle, medicinal liquid fine filter, transfusion needle; It is characterized in that: have the air outlet slit (7) of the air strainer (1) that drips the velocity modulation joint to connect bottle stopper puncture needle (2) by trachea (4), bottle stopper puncture needle (2) is connected with the liquid droping head (23) of the medicinal liquid fine filter (5) of liquid phase film (27) and gas phase membrane (22) by tube for transfusion (3), and the liquid outlet (29) of medicinal liquid fine filter (5) connects transfusion needle (6).
This new disposable precision infusion set, a described air strainer (1) that has a velocity modulation to save, there is the fast scale of dripping on the surface, and the air inflow which is provided with slip is regulated active pulling-door (12).The steamboat that can save common disposable transfusion device is like this pushed the fast actuator that drips of tube for transfusion.
This new disposable precision infusion set, described have an air strainer (1) that drips the velocity modulation joint, has pointer (10) to cooperate on the head pointer seat (11) of its active pulling-door (12) to drip the indication directly perceived of fast scale to drip speed; Air strainer lid (8) both sides have sliding door groove (9) that hand rest (11) is slided therein; Air strainer lid (8) end, have gas-permeable nets (16) to be pressed in above the gas phase membrane (14), the gas phase membrane that gas phase membrane (14) is sealed in the air strainer shell (13) seals above the platform (15), ventilative grid (17) is arranged below the gas phase membrane (14), air outlet slit (7) is arranged below the grid (17).
In order to observe conveniently, can also respectively establish a hand rest (11) and pointer (10) in active pulling-door (12) both sides.
This new disposable precision infusion set, gas phase membrane (14) in the described air strainer (1), its effect is that filtering replenishes into interior airborne particulates emission of infusion bottle and pathogenic bacteria, gas phase membrane (14) can be a microporous membrane, nucleopore membranes, nanometer film etc., its aperture can be selected 0.05--6 μ m as required, need to filter the gas phase membrane that the SARS SARS virus is selected<0.1 μ m, selection<3 μ m's that common infant uses, selection<6 μ m's that common normal adult is used, really, the more little filter effect in gas phase membrane aperture is good more, but also will consider filtered medicine liquid, speed, cost, needs etc. are all multifactor.
This new disposable precision infusion set, the described medicinal liquid fine filter (5) that liquid phase film (27) and gas phase membrane (22) are arranged has liquid droping head (23) above it, liquid outlet (29) is arranged below; Can make things convenient for and clearly observe drop and drip, therefore, can save the dropping funnel (dripping kettle) of common disposable transfusion device from above.
This new disposable precision infusion set, described medicinal liquid fine filter (5), air vent (24) is arranged at its medicinal liquid fine filter shell (25) top, and the medicinal liquid fine filter gas phase membrane (22) that is sealed in the gas phase membrane groove (21) is arranged in the air vent (24); The effect of gas phase membrane (22) is in time to discharge the gas that accumulates in the medicinal liquid fine filter automatically, and don't the external contamination harmful gas is entered.Gas phase membrane (22) is all identical with the material and the aperture of gas phase membrane (14) in the air strainer (1).Air vent (24) can be established a plurality of.
This new disposable precision infusion set, described medicinal liquid fine filter (5), last web plate (26) and the following web plate (28) that is combined in one with medicinal liquid fine filter shell (25) arranged at its interior bottom of medicinal liquid fine filter shell (25), and there is web plate solid (20) at last web plate (26) center; Liquid phase film (27) is sealed in the middle of the lower seal platform (18) of going up sealing platform (19) and following web plate (28) of web plate (26).
This new disposable precision infusion set, liquid phase film (27) in the described medicinal liquid fine filter (5), can be microporous membrane, nucleopore membranes, nanometer film etc., its aperture can be selected 0.05--6 μ m as required, need to filter the liquid phase film that the SARS SARS virus is selected<0.1 μ m, selection<3 μ m's that common infant uses, selection<6 μ m's that common normal adult is used, really, the more little filter effect of liquid phase membrane aperture is good more, but will consider that also filtered medicine liquid, speed, cost, needs etc. are all multifactor.
This new disposable precision infusion set, design have the velocity modulation of dripping joint and graduated novel air fine filter thereof, and design has the medicinal liquid fine filter of automatic vent mechanism; More common disposable transfusion device has saved tube for transfusion and has dripped fast actuator and dropping funnel, has simplified two accessories of disposable transfusion device; By the liquid phase film fine straining in the medicinal liquid fine filter medicinal liquid, particularly invisible airborne particulates emission of naked eyes and pathogenic bacteria that people paid attention to also carried out smart filtration by the gas phase membrane in the air strainer to not being; Like this, just solved the fine straining problem of present disposable transfusion device, and can select the different of liquid phase film and gas phase membrane aperture, made series of products, to satisfy various disease, different crowd, different needs according to different needs.
The automatic vent mechanism of this new disposable precision infusion set, can make and retain, overflow, accumulate in the intrasystem gas of transfusion device and in time discharge, solved owing to make gas enter the potential safety hazard that blood causes accidentally, improved the safety of disposable transfusion device.
This new disposable precision infusion set is provided with on air strainer and drips velocity modulation joint scale, changed a traditional velocity modulation joint method, it is directly perceived, accurate that this method with the adjusting air inflow is regulated a speed, after the nurse mixes up, because the position is higher, patient oneself can not adjust disorderly, and can accurately infuse by the speed of doctor's advice; The safety and the reliability of disposable transfusion device have been improved.
In sum, this new disposable precision infusion set, adopted above multiple measure and structure, can filtering stop up the insoluble microparticle that blood capillary can not be absorbed by the body again, last that held particulates emission and pathogenic bacteria input human body closes, and effectively solved current disposable transfusion device to the insoluble microparticle disadvantage removed of energy rate not.To diseases such as rubescent, the numb tenderness of the vein that particulate matter causes, congestion and swelling pain, streak blackening hardening, to patients undergoing chemotherapy because the local skin that causes of particulate matter festers etc. serious consequence, its positive effect is all arranged.To the injection quality of raising hospital and patient's therapeutic effect, its positive role is all arranged to ensureing ten million ordinary people medical treatment ﹠ health.Be specially adapted to patients undergoing chemotherapy, infant, critical patient, SARS sars ward, lazaretto ward use, also be applicable to common patient or patient and the place high certainly the infusion filter prescription.This utility model is promoted the performance of disposable transfusion device and quality, is the regeneration product of current disposable transfusion device, has remarkable economic efficiency and social benefit.
Description of drawings
Below in conjunction with drawings and Examples this utility model is further specified.
Figure of description 1 is the overall structure sketch map of wooden utility model embodiment.
Figure of description 2 is structure for amplifying cutaway views of air strainer in the accompanying drawing 1 (1).
Figure of description 3 is front views of accompanying drawing 2 air strainers.
Figure of description 4 is accompanying drawing 3 air strainer vertical views
Figure of description 5 is structure for amplifying cutaway views of accompanying drawing 1 herb liquid fine filter (5).
Among the figure: 1. air strainer, 2. bottle stopper puncture needle, 3. tube for transfusion, 4. trachea, 5. medicinal liquid fine filter, 6. transfusion needle, 7. air outlet slit, 8. air strainer lid, 9. sliding door groove, 10. pointer, 11. hand rests, 12. active pulling-doors, 13. the air strainer shell, 14. gas phase membranes, 15. gas phase membranes sealing platform, 16. air strainer lid gas-permeable nets, 17. grids, 18. lower seal platforms, 19. last sealing platform, 20. web plates are solid, 21. medicinal liquid fine filter gas phase membrane grooves, 22. medicinal liquid fine filter gas phase membrane, 23. medicinal liquid fine filter liquid droping heads, 24. air vents, 25. medicinal liquid fine filter shell, web plate on 26., 27. liquid phase films, 28. following web plate, 29. medicinal liquid fine filter liquid outlets.
The specific embodiment
In the Figure of description 1 (accompanying drawing 3, accompanying drawing 4, accompanying drawing 5 in conjunction with the accompanying drawings 2), this new disposable precision infusion set, described have the air outlet slit (7) of the air strainer (1) that drips the velocity modulation joint to connect bottle stopper puncture needle (2) by trachea (4), bottle stopper puncture needle (2) is connected with the liquid droping head (23) of the medicinal liquid fine filter (5) of liquid phase film (27) and gas phase membrane (22) by tube for transfusion (3), and the liquid outlet (29) of medicinal liquid fine filter (5) connects transfusion needle (6).
In Figure of description 2, accompanying drawing 3, the accompanying drawing 4, this new disposable precision infusion set, a described air strainer (1) that has a velocity modulation to save, there is the fast scale of dripping on the surface, and the air inflow which is provided with slip is regulated active pulling-door (12).
In Figure of description 2, accompanying drawing 3, the accompanying drawing 4, this new disposable precision infusion set, described have an air strainer (1) that drips the velocity modulation joint, has pointer (10) to cooperate on the head pointer seat (11) of its active pulling-door (12) to drip the indication directly perceived of fast scale to drip speed; Air strainer lid (8) both sides have sliding door groove (9) that hand rest (11) is slided therein; Air strainer lid (8) end, have gas-permeable nets (16) to be pressed in above the gas phase membrane (14), the gas phase membrane that gas phase membrane (14) is sealed in the air strainer shell (13) seals above the platform (15), ventilative grid (17) is arranged below the gas phase membrane (14), air outlet slit (7) is arranged below the grid (17).
In order to observe conveniently, can also establish two hand rests (11) and two pointers (10).
In the Figure of description 2, this new disposable precision infusion set, gas phase membrane (14) in the described air strainer (1) can be microporous membrane, nucleopore membranes, nanometer film etc., its aperture can be selected 0.05--6 μ m as required, need to filter the gas phase membrane that the SARS SARS virus is selected<0.1 μ m, selection<3 μ m's that common infant uses, selection<6 μ m's that common normal adult is used, really, the more little filter effect in gas phase membrane aperture is good more, but will consider that also filtered medicine liquid, speed, cost, needs etc. are all multifactor.
In the Figure of description 5, this new disposable precision infusion set, described medicinal liquid fine filter (5) has liquid droping head (23) above it, liquid outlet (29) is arranged below; Can make things convenient for and clearly observe drop and drip, therefore, can save the dropping funnel (dripping kettle) of common disposable transfusion device from above.
In the Figure of description 5, this new disposable precision infusion set, described medicinal liquid fine filter (5), air vent (24) is arranged at its medicinal liquid fine filter shell (25) top, and the medicinal liquid fine filter gas phase membrane (22) that is sealed in the gas phase membrane groove (21) is arranged in the air vent (24); The effect of gas phase membrane (22) is in time to discharge the gas that accumulates in the medicinal liquid fine filter automatically, and don't the external contamination harmful gas is entered.Gas phase membrane (22) is all identical with the material and the aperture of gas phase membrane (14) in the air strainer (1).Air vent (24) can be established a plurality of.
In the Figure of description 5, this new disposable precision infusion set, described medicinal liquid fine filter (5), last web plate (26) and the following web plate (28) that is combined in one with medicinal liquid fine filter shell (25) arranged at its interior bottom of medicinal liquid fine filter shell (25), and there is web plate solid (20) at last web plate (26) center; Liquid phase film (27) is sealed in the middle of the lower seal platform (18) of going up sealing platform (19) and following web plate (28) of web plate (26).
In the Figure of description 5, this new disposable precision infusion set, liquid phase film (27) in the described medicinal liquid fine filter (5), can be microporous membrane, nucleopore membranes, nanometer film etc., its aperture can be selected 0.05--6 μ m as required, need to filter the liquid phase film that the SARS SARS virus is selected<0.1 μ m, selection<3 μ m's that common infant uses, selection<6 μ m's that common normal adult is used, really, the more little filter effect of liquid phase membrane aperture is good more, but will consider that also filtered medicine liquid, speed, cost, needs etc. are all multifactor.

Claims (10)

1. the new disposable precision infusion set has air strainer, bottle stopper puncture needle, medicinal liquid fine filter, transfusion needle; It is characterized in that: have the air outlet slit (7) of the air strainer (1) that drips the velocity modulation joint to connect bottle stopper puncture needle (2) by trachea (4), bottle stopper puncture needle (2) is connected with the liquid droping head (23) of the medicinal liquid fine filter (5) of liquid phase film (27) and gas phase membrane (22) by tube for transfusion (3), and the liquid outlet (29) of medicinal liquid fine filter (5) connects transfusion needle (6).
2. new disposable precision infusion set according to claim 1 is characterized in that: a described air strainer (1) that has a velocity modulation to save, and there is the fast scale of dripping on the surface, and the air inflow which is provided with slip is regulated active pulling-door (12).
3. new disposable precision infusion set according to claim 2 is characterized in that: have pointer (10) to cooperate on the head pointer seat (11) of active pulling-door (12) and drip a fast scale indication directly perceived speed; Air strainer lid (8) both sides have sliding door groove (9) that hand rest (11) is slided therein; Air strainer lid (8) end, have gas-permeable nets (16) to be pressed in above the gas phase membrane (14), the gas phase membrane that gas phase membrane (14) is sealed in the air strainer shell (13) seals above the platform (15), ventilative grid (17) is arranged below the gas phase membrane (14), air outlet slit (7) is arranged below the grid (17).
4. new disposable precision infusion set according to claim 3 is characterized in that: a hand rest (11) and pointer (10) are respectively established in described active pulling-door (12) both sides.
5. new disposable precision infusion set according to claim 3 is characterized in that: described gas phase membrane (14) is a kind of of microporous membrane, nucleopore membranes, nanometer film, its aperture 0.05--6 μ m.
6. new disposable precision infusion set according to claim 1 is characterized in that: described medicinal liquid fine filter (5), liquid droping head (23) is arranged above it, and liquid outlet (29) is arranged below; Air vent (24) is arranged at its medicinal liquid fine filter shell (25) top, and the medicinal liquid fine filter gas phase membrane (22) that is sealed in the gas phase membrane groove (21) is arranged in the air vent (24).
7. new disposable precision infusion set according to claim 6 is characterized in that: described gas phase membrane (22) is a kind of of microporous membrane, nucleopore membranes, nanometer film, its aperture 0.05--6 μ m.
8. new disposable precision infusion set according to claim 6 is characterized in that: described air vent (24), can establish a plurality of.
9. new disposable precision infusion set according to claim 1, it is characterized in that: described medicinal liquid fine filter (5), last web plate (26) and the following web plate (28) that is combined in one with medicinal liquid fine filter shell (25) arranged at its interior bottom of medicinal liquid fine filter shell (25), and there is web plate solid (20) at last web plate (26) center; Liquid phase film (27) is sealed in the middle of the lower seal platform (18) of going up sealing platform (19) and following web plate (28) of web plate (26).
10. according to claim 1 or 9 described new disposable precision infusion sets, it is characterized in that: the liquid phase film (27) in the described medicinal liquid fine filter (5) is a kind of of microporous membrane, nucleopore membranes, nanometer film, its aperture 0.05--6 μ m.
CNU2008201339605U 2008-09-21 2008-09-21 Novel disposable accurate transfusion device Expired - Fee Related CN201286905Y (en)

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Application Number Priority Date Filing Date Title
CNU2008201339605U CN201286905Y (en) 2008-09-21 2008-09-21 Novel disposable accurate transfusion device

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Application Number Priority Date Filing Date Title
CNU2008201339605U CN201286905Y (en) 2008-09-21 2008-09-21 Novel disposable accurate transfusion device

Publications (1)

Publication Number Publication Date
CN201286905Y true CN201286905Y (en) 2009-08-12

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CNU2008201339605U Expired - Fee Related CN201286905Y (en) 2008-09-21 2008-09-21 Novel disposable accurate transfusion device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103041468A (en) * 2012-12-14 2013-04-17 杭州科诺过滤器材有限公司 Infusion apparatus drip chamber and infusion apparatus capable of preventing blood return
CN112807516A (en) * 2021-02-05 2021-05-18 杨柳 Double-end blood transfusion ware is used in stem cell blood transfusion of nanometer control

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103041468A (en) * 2012-12-14 2013-04-17 杭州科诺过滤器材有限公司 Infusion apparatus drip chamber and infusion apparatus capable of preventing blood return
CN112807516A (en) * 2021-02-05 2021-05-18 杨柳 Double-end blood transfusion ware is used in stem cell blood transfusion of nanometer control

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C17 Cessation of patent right
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Granted publication date: 20090812

Termination date: 20120921