CN101428161B - Current velocity regulator for infusion - Google Patents

Current velocity regulator for infusion Download PDF

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Publication number
CN101428161B
CN101428161B CN2008102187939A CN200810218793A CN101428161B CN 101428161 B CN101428161 B CN 101428161B CN 2008102187939 A CN2008102187939 A CN 2008102187939A CN 200810218793 A CN200810218793 A CN 200810218793A CN 101428161 B CN101428161 B CN 101428161B
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infusion
speed governing
control stream
shell fragment
mozzle
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CN101428161A (en
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瞿雪芬
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ZHUHAI FUNIYA MEDICAL EQUIPMENT CO Ltd
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ZHUHAI FUNIYA MEDICAL EQUIPMENT CO Ltd
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Abstract

A flow rate regulation device for infusion comprises a housing, an input diversion tube, a shunt device, a basic drug feeding flow-control tube, at least two adjustable flow control tubes, a flow-collecting device, an output diversion tube, a partition board and a speed regulation button. The invention realizes a patient's basic requirements for the flow rate of infusion through the arrangement of the basic drug feeding flow-control tube, and then can provide a series of permutations and combinations for controlling flow rate by controlling the communication or closure of the two adjustable flow control tube which can be different from each other in flow rate, thereby realizing the adjustability of rate in a real sense. In addition, if an adjustable flow control tube is communicated with a patient, liquid medicine can be injected at a constant flow rate without interruption within a certain period of time and fed at a stable rate, so that different requirements of clinical infusion can be satisfied.

Description

A kind of infusion current velocity regulator
Technical field
The present invention relates to medical instruments field, relate in particular to the flow regulator that is used for infusion pump medicinal liquid infusion.
Background technology
Figure 1 shows that the schematic diagram of structure of a kind of existing micro-infusion pump with quantitative self-con-tained unit (PCA), this quantitative self-con-tained unit comprises mozzle 21, three-way valve 31, control stream pipe 22, control stream pipe 23, three-way valve 32, fixing head 4, reservoir 5, mozzle 24, button 6, switching mechanism 7 and the mozzle 25 that is provided with in housing 1 and the housing 1.Mozzle 21 1 termination liquid dispensing apparatus (medicinal liquid source), first port of another termination three-way valve 31, second port of three-way valve 31 connects an end of control stream pipe 22, the input port of another termination reservoir 5 of control stream pipe 22, the 3rd port of three-way valve 31 connects control stream pipe 23, first end of another termination three-way valve 32 of control stream pipe 23, the delivery outlet of reservoir 5 connects an end of mozzle 24, second end of another termination three-way valve 32 of mozzle 24, one end of the 3rd termination mozzle 25 of three-way valve 32, the other end of mozzle 25 is the outfan of this quantitative self-con-tained unit, fixing head 4 is fixed in the housing 1, button 6 be arranged on the housing 1 by in the keyway, described reservoir 5 is between the press section 61 and fixing head 4 of button 6, and button 6 also has switching mechanism operating portion 62, and press section 61 and switching mechanism operating portion 62 lay respectively at the both sides of a bolster 63, switching mechanism operating portion 62 cooperates with switching mechanism 7, switching mechanism 7 so that control mozzle 24 connection or close.
The principle of this quantitative self-con-tained unit is: medicinal liquid enters three-way valve 31 by mozzle 21, wherein a part of medicinal liquid is as three end of conventional administration by three-way valve 31, control stream pipe 23, first end of three-way valve 32 and the 3rd end, mozzle 25 flows out quantitative self-con-tained unit, enter three-way valve 31 another part medicinal liquids and input to reservoir 5 through control stream pipe 22 by second end of three-way valve 31, reservoir 5 is in order to the medicinal liquid of deposit doses, when patient need append liquid dose, by pressing keys 6, make the press section 61 of button 6 push reservoirs 5, the medicinal liquid of storage in the reservoir 5 is extruded by instantaneous, switching mechanism 7 is upspring pushing button in 6, be communicated with mozzle 24, the medicinal liquid that reservoir 5 the is extruded mozzle 24 of flowing through enters second end of three-way valve 32, again via three-way valve 32 the 3rd end, mozzle 25 flows out speed regulator, thereby realizes quantitatively appending the function to liquid measure.
Yet, above-mentioned existing quantitative self-con-tained unit is by the control of discrete instantaneous additional quantity realization to dosage, because its mode of appending feeding is instantaneous, and its each additional quantity is unique determined value, be unfavorable for the accurate control of dosage, therefore in clinical use, be subjected to certain restriction, can not satisfy the special dosage infusion requirement of patient in certain time limit, as the different time sections domestic demand otherwise homogeneous turbulence speed infusion.
Summary of the invention
The invention provides a kind of infusion current velocity regulator, can accurately control the flow velocity of infusion set, can satisfy the specific (special) requirements of patient's different infusion flow-rate in different time sections, guarantee that medicinal liquid is with continuous, stable flow velocity supply.
The present invention is realized by following technical scheme:
A kind of infusion current velocity regulator comprises housing, input mozzle, part flow arrangement, basic administration control stream pipe, at least two adjustable control stream pipes, current-collecting device, output mozzle, dividing plate and speed governing buttons; Housing has the host cavity that holds input mozzle, part flow arrangement, basic administration control stream pipe, at least two adjustable controls stream pipes, current-collecting device, dividing plate, provides the speed governing button that window, input water conservancy diversion pore and output water conservancy diversion pore are installed on the housing; Input mozzle one termination liquid dispensing apparatus, the other end stretch into the input that input water conservancy diversion pore connects part flow arrangement; Basis administration control stream pipe connects the corresponding outfan of part flow arrangement and the corresponding input of current-collecting device; Control that each is adjustable stream pipe connects the corresponding outfan of part flow arrangement and the corresponding input of current-collecting device respectively; One end of the output termination output mozzle of current-collecting device, the output mozzle other end is stretched out by output water conservancy diversion pore; Dividing plate is fixed in the housing, at least two shell fragments are provided on the dividing plate, the free end of each shell fragment has and drives the auxiliary section and close execution portion, and each control stream Guan Jun is connected with one and is communicated with/closes controllable segment, and each is communicated with/closes controllable segment and is laid in closing of corresponding shell fragment and carries out subordinate side; The speed governing button is arranged on the speed governing button of housing the window place is installed, the speed governing button has manual operation mechanism and drive division, described drive division can with the driving mating part of corresponding shell fragment from or cooperate, the connection of closing execution subordinate side of corresponding shell fragment during separation/close controllable segment to be communicated with, the connection of closing execution subordinate side of corresponding shell fragment during cooperation/close controllable segment to be closed.
The present invention realizes the basic requirement of patient's infusion flow-rate by basic administration control stream pipe is set, connection by controlling each adjustable control stream pipe or close again, and the flow velocity of control that each is adjustable stream pipe can be different, the permutation and combination of a series of flow speed control so just can be provided, realize adjustable speed truly.In addition, when the adjustable control stream pipe of certain flow rate was connected, medicinal liquid will be continuously with a certain constant flow rate infusion in a time period, and injection speed is stable, can satisfy different clinical infusion requirements.
Description of drawings
Fig. 1 is a kind of schematic diagram of structure of existing quantitative automatic control infusion device;
Fig. 2 is infusion provided by the invention is realized speed regulating control with current velocity regulator a schematic diagram;
Fig. 3 is the exploded view of infusion provided by the invention with the housing of current velocity regulator;
Fig. 4 is arranged on the sketch map in the lower cover for input mozzle, part flow arrangement, basic administration control stream pipe, at least two adjustable control stream pipes, current-collecting devices;
Fig. 5 is the sketch map of infusion provided by the invention with the dividing plate of current velocity regulator;
Fig. 6 is the sketch map of infusion provided by the invention with the speed governing knob of current velocity regulator;
Fig. 7 is the sketch map of the drive division that is provided with on the speed governing knob lower surface shown in Figure 6;
Fig. 8 is a speed governing knob shown in Figure 6 and sketch map after housing cooperates;
Fig. 9 to Figure 13 is respectively infusion provided by the invention is realized five states of speed regulating control with current velocity regulator sketch map;
Figure 14 is the sketch map of the speed governing knob of another kind of form.
Figure 15 is a kind of control mode at three adjustable control stream pipes provided by the invention.
The specific embodiment
As shown in Figure 2, infusion provided by the invention with the speed regulating control principle of current velocity regulator is: utilize part flow arrangement that the medicinal liquid that infusion device provides is shunted, form a basic administration control stream pipe tributary a and two adjustable control stream pipe tributary b, c, certain adjustable control stream pipe tributary can be more than two, control that each is adjustable stream pipe tributary to close with being communicated be controlled, so the connection by controlling each adjustable control stream pipe tributary or close just can be controlled the liquid dose that the unit interval flows into current-collecting device.For example, basis administration control stream pipe tributary a and two adjustable control stream pipe administration tributary b, c are if all adopt the control stream pipe of different in flow rate (being the different model specification), just can have: a, a+b, several flow velocitys of a+c, a+b+c are available, thereby have realized the purpose of speed governing.
As shown in Figure 3, the infusion that present embodiment provides comprises housing 100 with current velocity regulator, housing 100 comprises lower cover 101 and loam cake 102 again, lower cover 101 and loam cake 102 cooperate by the corresponding engaging support mechanism that is provided with in its edge, formation can be held input mozzle 201 in housing 100, part flow arrangement 301, basis administration control stream pipe 202, adjustable control stream pipe 203, adjustable control stream pipe 204, current-collecting device 302, the host cavity of output mozzle 205 (in conjunction with consulting Fig. 4) and dividing plate 400 (in conjunction with consulting Fig. 5), provide the speed governing knob that window 103 is installed on the loam cake 102, be formed with input water conservancy diversion pore 104 and output water conservancy diversion pore 105 (in conjunction with consulting Fig. 8) after lower cover 101 and loam cake 102 cooperate, lower cover 101 inner bottom parts are provided with four groups of mozzle reference columns 111, three membrane support posts 112 and two close auxiliary section 113.
As shown in Figure 4, the infusion that present embodiment provides also comprises input mozzle 201, part flow arrangement 301, basic administration control stream pipe 202, adjustable control stream pipe 203, adjustable control stream pipe 204, current-collecting device 302 and output mozzle 205 with current velocity regulator, is laid in the lower cover 101.Wherein, input mozzle 201 1 ends are used to connect liquid dispensing apparatus, and the other end stretches into the input that input water conservancy diversion pore 104 connects part flow arrangement 301; Basis administration control stream pipe 202 connects the corresponding outfan of part flow arrangement and the corresponding input of current-collecting device 302; Adjustable control stream pipe 203 connects the corresponding outfan of part flow arrangement 301 and the corresponding input of current-collecting device 302; Adjustable control stream pipe 204 connects the corresponding outfan of part flow arrangement 301 and the corresponding input of current-collecting device 302; One end of the output termination output mozzle 205 of current-collecting device 302, the other end of output mozzle 205 is stretched out by output water conservancy diversion pore 105.Wherein, adjustable control stream pipe 203 and adjustable control stream pipe 204 have one respectively and are communicated with/close controllable segment 213,214, make to be communicated with/to close controllable segment 213 and to be communicated with/to close controllable segment 214 to ride over one respectively and be communicated with/close auxiliary section 113, and use two groups of mozzle reference columns 111 to position respectively.
As shown in Figure 5, the infusion that present embodiment provides also comprises dividing plate 400 with current velocity regulator, and one-body molded on the dividing plate 400 have two shell fragments 401 and 402, the free-ended top of shell fragment 401 be formed with drive auxiliary section 411, the below is formed with the execution portion 421 that closes; In like manner, the free-ended top of shell fragment 402 is formed with driving auxiliary section 412, the below is formed with the execution portion 422 that closes.Dividing plate 400 is supported on the top of each mozzle, part flow arrangement 301 and current-collecting device 302 in the housing 100 by membrane support post 112, and make the execution portion that closes 421 of shell fragment 401 downwards over against the connections of adjustable control stream pipe 203/close controllable segment 213, in like manner make the execution portion that closes 422 of shell fragment 402 downwards over against the connections of adjustable control stream pipe 204/close controllable segment 214.Dividing plate 400 also has to be respectively applied for to be imported mozzle 201 and exports the breach 403 and 404 that mozzle 205 passes through.In the present embodiment, two shell fragments are staggered reverse settings, also are provided with speed governing knob back shaft 405 between two shell fragments.
As shown in Figure 6, the infusion that present embodiment provides also comprises speed governing knob 500 with current velocity regulator, comprise round turntable 520, be arranged on the hand-held sheet 510 of round turntable 520 upper surfaces and be arranged on the drive division (referring to Fig. 7) of round turntable 520 lower surfaces that the edge of round turntable 520 is provided with department of assembly 521 and rotation location division 522.As shown in Figure 7, the lower surface of round turntable 520 is provided with the axis hole 530 that cooperates with speed governing knob back shaft 405, the lower surface of round turntable 520 is provided with three drive divisions 531,532 and 533, these three drive divisions 531,532 and 533 are to be the center of circle with axis hole 530, Deng three sections circular arc projectioies of radius, be used for when rotated with shell fragment 401,402 on driving auxiliary section 411,412 form and cooperate.As shown in Figure 8, speed governing knob 500 is arranged on the speed governing knob of housing 100 window 103 places (as shown in Figure 3) is installed, described department of assembly 521 is folded between dividing plate 400 and loam cake 102 inwalls, also corresponding each flow velocity scale is provided with rotation locating slot (not shown) on loam cake 102 inwalls, be used for when speed governing knob 500 points to a certain flow velocity scale, described rotation location division 522 forms interim clamping matching with rotation locating slot on loam cake 102 inwalls.
The operation principle and the process of the infusion usefulness current velocity regulator that the foregoing description provides are described below in conjunction with Fig. 9 to Figure 13: (1) is when state shown in Figure 9, speed governing knob 500 is (for clear, three drive divisions 531 only draw, 532 and 533 and hand-held sheet 510) point to " A " scale of left end, as seen from the figure, driving auxiliary section 412 on drive division 531 and the shell fragment 402 forms and cooperates, simultaneously drive division 533 cooperates with driving auxiliary section 411 formation on the shell fragment 401, promptly drive auxiliary section 411,412 all can be subjected to downward active force, so the shell fragment 401 and 402 the execution portion 421 and 422 that closes also will be downwards to described connection/close controllable segment 213,214 close, at this moment, the flow velocity of speed regulator is " a basic administration control stream pipe 202 "; (2) when state shown in Figure 10, speed governing knob 500 points to " B " scale, as seen from the figure, drive division 531,532 all with all not with shell fragment 401,402 on driving auxiliary section 411,412 form and cooperate, and drive division 533 has formed with driving auxiliary section 411 on the shell fragment 401 and has cooperated, promptly drive auxiliary section 411 and can be subjected to downward active force, so the execution portion 421 that closes of shell fragment 401 also will be downwards to described connection/close controllable segment 213 to close, at this moment, the flow velocity of speed regulator is " the adjustable control stream of a basic administration control stream pipe 202+ pipe 204 "; (3) when state shown in Figure 11, speed governing knob 500 points to " C " scale, as seen from the figure, drive division 531,533 all with all not with shell fragment 401,402 on driving auxiliary section 411,412 form and cooperate, and drive division 532 has formed with driving auxiliary section 412 on the shell fragment 402 and has cooperated, promptly drive auxiliary section 412 and can be subjected to downward active force, so the execution portion 422 that closes of shell fragment 402 also will be downwards to described connection/close controllable segment 214 to close, at this moment, the flow velocity of speed regulator is " the adjustable control stream of a basic administration control stream pipe 202+ pipe 203 "; (4) when state shown in Figure 12, speed governing knob 500 points to " D " scale, as seen from the figure, three drive divisions 531,532 and 533 all not with shell fragment 401,402 on driving auxiliary section 411,412 form and cooperate, promptly drive auxiliary section 411,412 and can not be subjected to downward active force, shell fragment 401 and 402 connection so/ close execution portion 421 and 422 can be not downwards yet to described connection/close controllable segment 213,214 to close, at this moment, the flow velocity of speed regulator is " the adjustable control stream of a basic administration control stream pipe 202+ adjustable control stream pipe 203+ pipe 204 "; (5) when state shown in Figure 13, speed governing knob 500 points to " A " scale of right-hand member, as seen from the figure, driving auxiliary section 412 on drive division 531 and the shell fragment 402 forms and cooperates, simultaneously drive division 533 cooperates with driving auxiliary section 411 formation on the shell fragment 401, promptly drive auxiliary section 411,412 and all can be subjected to downward active force, so the shell fragment 401 and 402 the execution portion 421 and 422 that closes also will be downwards to described connection/close controllable segment 213,214 to close, at this moment, the flow velocity of speed regulator is " a basic administration control stream pipe 202 ".
As shown in figure 14, sketch map for the speed governing knob of another kind of form, this speed governing knob 600 comprises round turntable 620, be arranged on the drive division (not shown) of round turntable 620 lower surfaces and separate the manual-operating mechanism 610 of cooperation with round turntable 620, the edge of round turntable 620 is provided with department of assembly 621 and rotation location division 622 equally, described manual-operating mechanism 610 has hand-held sheet 611 and operation auxiliary section 612, offers and operate the operation mating holes 623 of auxiliary section 612 couplings on the round turntable 620.Because speed governing knob 600 has separable manual-operating mechanism 610, this manual-operating mechanism 610 can avoid the patient to regulate voluntarily by doctor's keeping.
Based on creative ideas of the present invention, be understandable that at the quantity of described connection/close controllable segment or the difference of the mode of laying, the number of shell fragment or set-up mode also can have difference on the dividing plate, accordingly, the drive division of speed governing knob below setting also can be other mode.For example, when the Guan Weisan bar is flowed in adjustable control, three of its correspondence are communicated with/close controllable segment and can arrange with radiuses such as the same centers of circle, correspondingly, three shell fragments also are provided on the dividing plate, and make the driving auxiliary section 801,802,803 of three shell fragments arrange with radiuses such as the same centers of circle equally, the drive division 804 on the speed governing knob adopts long circular arc projection to get final product, as shown in figure 15.
In addition, the speed governing knob can also be replaced by at least two discrete buttons, and each button has by meeting portion and being used for drive division with the cooperation of shell fragment, utilizes the connection of an adjustable control stream pipe of each button control/close.

Claims (10)

1. an infusion current velocity regulator comprises housing, input mozzle, part flow arrangement, basic administration control stream pipe, at least two adjustable control stream pipes, current-collecting device, output mozzle, dividing plate and speed governing buttons; Housing has the host cavity that holds input mozzle, part flow arrangement, basic administration control stream pipe, at least two adjustable controls stream pipes, current-collecting device, dividing plate, provides the speed governing button that window, input water conservancy diversion pore and output water conservancy diversion pore are installed on the housing; Input mozzle one termination liquid dispensing apparatus, the other end stretch into the input that input water conservancy diversion pore connects part flow arrangement; Basis administration control stream pipe connects the corresponding outfan of part flow arrangement and the corresponding input of current-collecting device; Control that each is adjustable stream pipe connects the corresponding outfan of part flow arrangement and the corresponding input of current-collecting device respectively; One end of the output termination output mozzle of current-collecting device, the output mozzle other end is stretched out by output water conservancy diversion pore; Dividing plate is fixed in the housing, at least two shell fragments are provided on the dividing plate, the free end of each shell fragment has and drives the auxiliary section and close execution portion, and each control stream Guan Jun is connected with one and is communicated with/closes controllable segment, and each is communicated with/closes controllable segment and is laid in closing of corresponding shell fragment and carries out subordinate side; The speed governing button is arranged on the speed governing button of housing the window place is installed, the speed governing button has manual operation mechanism and drive division, described drive division can with the driving mating part of corresponding shell fragment from or cooperate, the connection of closing execution subordinate side of corresponding shell fragment during separation/close controllable segment to be communicated with, the connection of closing execution subordinate side of corresponding shell fragment during cooperation/close controllable segment to be closed; It is characterized in that described housing is fastened by lower cover and loam cake and forms, the lower cover inner bottom part is provided with catheter positioning post, membrane support post and connection/close auxiliary section, and described connection/close controllable segment rides over corresponding connection/close on the auxiliary section respectively.
2. infusion current velocity regulator according to claim 1 is characterized in that described shell fragment is one-body molded on dividing plate.
3. infusion current velocity regulator according to claim 1 is characterized in that, described speed governing button is a knob, comprises round turntable, is arranged on the hand-held sheet of round turntable upper surface and is arranged on the described drive division of round turntable lower surface.
4. infusion current velocity regulator according to claim 1, it is characterized in that, described speed governing button is a knob, comprise round turntable, be arranged on the drive division of round turntable lower surface and separate the manual-operating mechanism of cooperation with round turntable, described manual-operating mechanism has hand-held sheet and operation auxiliary section, offers and operate the operation mating holes of auxiliary section coupling on the round turntable.
5. according to claim 3 or 4 described infusion current velocity regulators, it is characterized in that the edge of described round turntable is provided with the department of assembly, this department of assembly is folded between dividing plate and the loam cake inwall.
6. according to claim 3 or 4 described infusion current velocity regulators, it is characterized in that, the edge of described round turntable is provided with the rotation location division, corresponding each flow velocity scale is provided with the rotation locating slot on the loam cake inwall, and the rotation locating slot on described rotation location division and the loam cake inwall forms interim clamping matching.
7. according to claim 3 or 4 described infusion current velocity regulators, it is characterized in that the drive division of described speed governing knob is that the rotating shaft with the speed governing knob is the circular arc projection in the center of circle.
8. infusion current velocity regulator according to claim 1 is characterized in that, described speed governing button is at least two discrete buttons, and each button has by the drive division that meets portion and be used for cooperating with corresponding shell fragment.
9. infusion current velocity regulator according to claim 1 is characterized in that, described adjustable control stream pipe is specially two, and described shell fragment is two, and described part flow arrangement and current-collecting device are cross valve.
10. infusion current velocity regulator according to claim 1 is characterized in that, described basic administration control stream pipe and described at least two adjustable control stream pipes are the control stream pipe of different size flow velocity.
CN2008102187939A 2008-10-31 2008-10-31 Current velocity regulator for infusion Active CN101428161B (en)

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CN101428161B true CN101428161B (en) 2011-08-17

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102472316B1 (en) * 2019-11-01 2022-12-01 김용현 Apparatus of regulating flow rate of medicinal liquid
CN114504693B (en) * 2022-01-10 2023-03-28 苏州中拓专利运营管理有限公司 Adjustable washing bag of velocity of flow

Citations (5)

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Publication number Priority date Publication date Assignee Title
US5839470A (en) * 1996-04-10 1998-11-24 Nissho Corporation Three-way stopcock and flow rate control device in use thereof
US5925023A (en) * 1996-10-15 1999-07-20 Nissho Corporation Multi stage type flow rate switching device
CN1288758A (en) * 1999-09-22 2001-03-28 奥比克斯株式会社 Flow control device
CN2438457Y (en) * 2000-07-20 2001-07-11 珠海福尼亚医疗设备有限公司 Quantity self-controller for disposable micro-pain-relieving pump
CN1681543A (en) * 2002-09-19 2005-10-12 艾富罗有限公司 Device for selectively regulating the flow rate of a fluid

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5839470A (en) * 1996-04-10 1998-11-24 Nissho Corporation Three-way stopcock and flow rate control device in use thereof
US5925023A (en) * 1996-10-15 1999-07-20 Nissho Corporation Multi stage type flow rate switching device
CN1288758A (en) * 1999-09-22 2001-03-28 奥比克斯株式会社 Flow control device
CN2438457Y (en) * 2000-07-20 2001-07-11 珠海福尼亚医疗设备有限公司 Quantity self-controller for disposable micro-pain-relieving pump
CN1681543A (en) * 2002-09-19 2005-10-12 艾富罗有限公司 Device for selectively regulating the flow rate of a fluid

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