CN103785082A - Precision flow regulating device - Google Patents
Precision flow regulating device Download PDFInfo
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- CN103785082A CN103785082A CN201410067423.5A CN201410067423A CN103785082A CN 103785082 A CN103785082 A CN 103785082A CN 201410067423 A CN201410067423 A CN 201410067423A CN 103785082 A CN103785082 A CN 103785082A
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- upper cover
- gradually
- lower cover
- fluting
- annular
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000012530 fluid Substances 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 238000012856 packing Methods 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 12
- 210000000078 claw Anatomy 0.000 claims description 11
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 claims description 6
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- QMMJWQMCMRUYTG-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=C(Cl)C(Cl)=CC(Cl)=C1Cl QMMJWQMCMRUYTG-UHFFFAOYSA-N 0.000 claims description 3
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 abstract description 15
- 238000007789 sealing Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 7
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000004907 flux Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 230000003292 diminished effect Effects 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The invention discloses a precision flow regulating device. The precision flow regulating device comprises an upper cover, a lower cover and an annular sealing valve block, wherein the upper cover and the lower cover can be screwed relative to each other, and the annular sealing valve block is arranged between the upper cover and the lower cover. A spiral line type tapered groove is formed in the bottom face of the upper cover, fluid can flow from a fluid inlet pipe of the upper cover, sequentially pass through a fluid inlet port, the tapered groove, a small hole and a fluid outlet port and finally flow to a fluid outlet pipe of the lower cover, so flow regulation can be achieved. An annular boss is formed on the contact face between the annular sealing valve block and the tapered groove in a protruding mode, a groove opening of the tapered groove is covered with a boss face of the annular boss, and the boss face of the annular boss and the tapered groove form the sealed connection structure. Both the upper cover and the lower cover are made of mixtures of self-lubricating materials and plastic materials. According to the precision flow regulating device, the annular boss on the annular sealing valve block can play roles of reducing cooperation friction and sealing, and prevents lateral leakage; meanwhile, lubricating agents are not needed, so the risks that the product stability and accuracy are reduced due to adding of the lubricating agents are avoided.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, be specifically related to a kind of accurate flow regulator.
Background technology
US5234413 has described a kind of for carrying out the equipment of rate of flow of fluid adjusting in medical pipeline.This equipment comprises two coupling components, between two coupling components, is provided with annular seal element.A member has dispenser, and dispenser is provided with the groove of the section-variable that is connected to through hole, dispenser itself with for its original paper that is couple to fluid line is connected.Annular seal element has aperture, and this aperture makes can be communicated with between described groove and the aperture being arranged in another member of described equipment, and aperture in this another member is connected thereto the adapter of another pipeline that is connected with medical pipeline.
Potted component has very flat opposed surface, and potted component is only inserted in the recess on a member that is arranged at described equipment.Therefore, if described member is relative to each other withdrawn from vertically, or fulcrum on the region being in contact with one another around them relative to each other rotates, and containment member cannot provide suitable fluid-tight so.Because potted component is inserted in its seat completely, therefore described member any withdraws from or misplaces and can make the fluid existing in groove can be from the coupled zone side leakage of described parts.
This equipment is by making two coupling components relative to each other rotate around its common axis of rotation line the flow of realizing regulated fluid, and potted component is located between two coupling components, owing to will the fluid in groove being played to sealing function, therefore potted component must be close to the contact surface of member, thus in the time that two coupling components relative to each other rotate adjust flux, potted component can produce larger frictional resistance to the rotation of member, so in use, frictional resistance can add lubricant with minimizing rotation on the contact surface of potted component and groove time, more laborsaving while making adjust flux, but when fluid is flowed through behind potted component surface, likely making lubricant produce converges, or also likely the lubricant on potted component surface is spread to convergent manner in member rotation process, cause thus trench cross section to change, and then the precision of this equipment adjust flux is had a huge impact.
Summary of the invention
Object of the present invention, provides a kind of accurate flow regulator simple in structure exactly in order to address the above problem, can effectively prevent that fluid from side leakage in use occurring, and in use need not add any lubricant simultaneously.
The object of the present invention is achieved like this:
The accurate flow regulator of one provided by the invention, comprise the upper cover and the lower cover that link together and can relative to each other reverse, in described upper cover, be provided with feed tube, in described lower cover, be provided with drain pipe, the bottom surface of described upper cover is provided with a spiral line type and gradually slots, described gradually fluting can carry out by rotating described upper cover and lower cover around common axis of rotation line the flow of regulated fluid, described gradually one end of fluting is communicated with described feed tube by inlet, the center of described upper cover bottom surface is provided with an aperture, be located at Connection Element in described lower hd top face from described aperture through be located at the described opposition element covering and coordinate, between described upper cover and lower cover, be provided with ring packing valve block, described ring packing valve block is provided with the aperture being communicated with described drain pipe by liquid outlet, fluid can be from the feed tube of described upper cover successively via described inlet, gradually fluting, aperture and liquid outlet, flow to the drain pipe of described lower cover, thereby realize Flow-rate adjustment,
It is characterized in that, form an annular boss at described ring packing valve block and the described gradually contact surface projection of fluting, on the notch of gradually slotting described in the table top of described annular boss is covered in, and in the time that described upper cover and lower cover link together, the table top of described annular boss and described gradually fluting form Hermetical connecting structure, described aperture is located on the table top of described annular boss and with described gradually fluting and is communicated with, described upper cover and lower cover all adopt the mixture of self-lubricating material and plastic material to make, described in while relative to each other torsion to reduce described upper cover and lower cover, ring packing valve block is to frictional resistance that described upper cover was produced.
The accurate flow regulator of above-mentioned one, wherein, described self-lubricating material is selected from least one in oleamide, stearic acid, butyl stearate, oleamide, ethylene bis stearamide.
The accurate flow regulator of above-mentioned one, wherein, the weight ratio of described self-lubricating material and plastic material is 0.5-3: 100.
The accurate flow regulator of above-mentioned one, wherein, the end face of described lower cover is provided with one for holding the annular storage tank of described ring packing valve block, the periphery of described annular storage tank is provided with three projecting slot that extend radially outward formation, the outer peripheral face of described ring packing valve block is provided with the raised brim matching with described projecting slot, and described aperture overlaps with described liquid outlet position.
The accurate flow regulator of above-mentioned one, wherein, the described gradually A/F of fluting remains unchanged, and its degree of depth is even variation from shallow to deep, described inlet be located at described in the deep end of fluting gradually.
The accurate flow regulator of above-mentioned one, wherein, the described gradually A/F of fluting is 0.1-0.3mm, the width 1-3mm of described annular boss table top.
The accurate flow regulator of above-mentioned one, wherein, the described gradually A/F of fluting is 0.2mm, the width 1mm of described annular boss table top.
The accurate flow regulator of above-mentioned one, wherein, the Connection Element covering under described is cylindrical shape structure, and its outer circumferential sides is along the circumferential direction provided with an annular slot, the opposition element covering on described comprises the claw that several upwards extend to form along described aperture outer rim, and these several claws are uniformly distributed along circumferential, in the time that described upper cover and lower cover link together, described claw is arranged in described annular slot.
The accurate flow regulator of above-mentioned one, wherein, described opposition element comprises four claws.
The accurate flow regulator of above-mentioned one, wherein, the edge of described lower hd top face is provided with a lower position block, and the line at this lower position block and described lower hd top face center is through described liquid outlet, the outer rim of described upper cover bottom surface extends to form annular rim downwards, and the inner side of described annular rim is provided with the upper limit position block coordinating with described lower position block.
The annular boss of the present invention on ring packing valve block, coordinate with upper cover, on the one hand upper cover is diminished with the area that coordinates of ring packing valve block, play the effect that reduces friction fit, product of the present invention is reversed more smooth and easy, play on the other hand sealing function, annular boss is just in time corresponding with the gradually fluting of upper cover, fluid in gradually slotting firmly can be sealed in groove, because being just to play sealing effectiveness among a small circle, the dependence that this has just reduced parts effects on surface flatness, makes sealing more reliable, has stopped the generation of side leakage.
Meanwhile, product of the present invention produce and use procedure in without the hidden danger of adding any lubricant (as silicone lubricant) at upper and lower cover contact surface, not existing the product stability that brings due to the interpolation of any lubricant and accuracy decline.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of upper cover in the present invention;
Fig. 3 is the structural representation of lower cover in the present invention;
Fig. 4 is the structural representation of annular seal valve sheet in the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Refer to Fig. 1, the accurate flow regulator of the present invention, comprise the upper cover 1 and the lower cover 2 that link together and can relative to each other reverse, in upper cover 1, be provided with feed tube 11, in lower cover 2, be provided with drain pipe 21, the bottom surface of upper cover 1 is provided with a spiral line type and gradually slots 12, gradually slotting 12 can be by carrying out the flow of regulated fluid around common axis of rotation line rotation upper cover 1 and lower cover 2, gradually slot one end of 12 is communicated with feed tube 11 by inlet 15, the center of upper cover 1 bottom surface is provided with an aperture 13, the Connection Element 22 of being located on lower cover 2 end faces passes to coordinate with the opposition element of being located on upper cover 1 from aperture 13, between upper cover 1 and lower cover 2, be provided with ring packing valve block 3, ring packing valve block 3 is provided with the aperture 32 being communicated with drain pipe 21 by liquid outlet 24, fluid can be from the feed tube of upper cover 1 11 successively via inlet 15, gradually slot 12, aperture 32 and liquid outlet 24, flow to the drain pipe 21 of lower cover 2, thereby realize Flow-rate adjustment,
Form an annular boss 31 in ring packing valve block 3 and 12 the contact surface projection of gradually slotting, the table top of annular boss 31 is covered on 12 the notch of gradually slotting, and in the time that upper cover 1 and lower cover 2 link together, the table top of annular boss 31 with gradually slot 12 formation Hermetical connecting structures, aperture 32 is located on the table top of annular boss 31 and 12 is communicated with gradually slotting;
Self-lubricating material is selected from oleamide, stearic acid, butyl stearate, oleamide, ethylene bis stearamide, and plastic material can be selected ABS.Can select at least one in above-mentioned self-lubricating material to mix with plastic material, make its mixture there is good self-lubricating effect.
Refer to Fig. 2 to Fig. 4, the end face of lower cover 2 is provided with one for holding the annular storage tank 25 of ring packing valve block 3, the periphery of annular storage tank 25 is provided with three projecting slot 26 that extend radially outward formation, the outer peripheral face of ring packing valve block 3 is provided with the raised brim 33 matching with projecting slot 26, and aperture 32 overlaps with liquid outlet 24 positions.
12 the A/F of gradually slotting of upper cover 1 remains unchanged, and its degree of depth is even variation from shallow to deep, and inlet 15 is located at 12 the deep end of gradually slotting.12 the A/F of gradually slotting is 0.1-0.3mm, and the width of annular boss 31 table tops is 1-3mm.Preferably, gradually the A/F of fluting is 0.2mm, and the width of annular boss 31 table tops is 1mm.
The edge of lower cover 2 end faces is provided with a lower position block 27, and the line at this lower position block 27 and lower cover 2 end face centers is through liquid outlet 24, the outer rim of upper cover 1 bottom surface extends to form annular rim 16 downwards, the inner side of annular rim 16 is provided with the upper limit position block 17 coordinating with lower position block 27, and upper limit position block 17 and lower position block 27 are positioned at take lower cover 2 end face centers on the same circumference in the center of circle.
Make because upper cover 1 and lower cover 2 adopts the material with higher self lubricity, reduce the dependence of product of the present invention to lubricant, avoided the impact on properties of product of the present invention in common lubricant use procedure, guaranteed the precision of product adjust flux of the present invention.Simultaneously ring packing valve block 3 be circumferentially with three raised brim 33, ring packing valve block 3 can be stably fixed in the annular storage tank 25 of lower cover 2, can not rotate and rotate with product of the present invention, annular boss 31 on ring packing valve block 3, coordinate with upper cover 1, on the one hand upper cover 1 is diminished with the area that coordinates of ring packing valve block 3, play the effect that reduces friction fit, product of the present invention is reversed more smooth and easy, play on the other hand sealing function, annular boss 31 is just in time corresponding with the gradually fluting 12 of upper cover 1, the fluid of gradually slotting in 12 firmly can be sealed in groove, because being just to play sealing effectiveness among a small circle, this has just reduced the dependence of parts effects on surface flatness, make sealing more reliable, stop the generation of side leakage.
Meanwhile, product of the present invention produce and use procedure in without the hidden danger of adding any lubricant (as silicone lubricant) at upper cover 1 and lower cover 2 contact surfaces, not existing the product stability that brings due to the interpolation of any lubricant and accuracy decline.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (10)
1. an accurate flow regulator, comprise the upper cover and the lower cover that link together and can relative to each other reverse, in described upper cover, be provided with feed tube, in described lower cover, be provided with drain pipe, the bottom surface of described upper cover is provided with a spiral line type and gradually slots, described gradually fluting can carry out by rotating described upper cover and lower cover around common axis of rotation line the flow of regulated fluid, described gradually one end of fluting is communicated with described feed tube by inlet, the center of described upper cover bottom surface is provided with an aperture, be located at Connection Element in described lower hd top face from described aperture through be located at the described opposition element covering and coordinate, between described upper cover and lower cover, be provided with ring packing valve block, described ring packing valve block is provided with the aperture being communicated with described drain pipe by liquid outlet, fluid can be from the feed tube of described upper cover successively via described inlet, gradually fluting, aperture and liquid outlet, flow to the drain pipe of described lower cover, thereby realize Flow-rate adjustment,
It is characterized in that, form an annular boss at described ring packing valve block and the described gradually contact surface projection of fluting, on the notch of gradually slotting described in the table top of described annular boss is covered in, and in the time that described upper cover and lower cover link together, the table top of described annular boss and described gradually fluting form Hermetical connecting structure, described aperture is located on the table top of described annular boss and with described gradually fluting and is communicated with, described upper cover and lower cover all adopt the mixture of self-lubricating material and plastic material to make, described in while relative to each other torsion to reduce described upper cover and lower cover, ring packing valve block is to frictional resistance that described upper cover was produced.
2. the accurate flow regulator of one as claimed in claim 1, is characterized in that, described self-lubricating material is selected from least one in oleamide, stearic acid, butyl stearate, oleamide, ethylene bis stearamide.
3. the accurate flow regulator of one as claimed in claim 1 or 2, is characterized in that, the weight ratio of described self-lubricating material and plastic material is 0.5-3: 100.
4. the accurate flow regulator of one as claimed in claim 1, it is characterized in that, the end face of described lower cover is provided with one for holding the annular storage tank of described ring packing valve block, the periphery of described annular storage tank is provided with three projecting slot that extend radially outward formation, the outer peripheral face of described ring packing valve block is provided with the raised brim matching with described projecting slot, and described aperture overlaps with described liquid outlet position.
5. the accurate flow regulator of one as claimed in claim 1, is characterized in that, the described gradually A/F of fluting remains unchanged, and its degree of depth is even variation from shallow to deep, described inlet be located at described in the deep end of fluting gradually.
6. the accurate flow regulator of one as claimed in claim 1, is characterized in that, the described gradually A/F of fluting is 0.1-0.3mm, the width 1-3mm of described annular boss table top.
7. the accurate flow regulator of one as claimed in claim 6, is characterized in that, the described gradually A/F of fluting is 0.2mm, the width 1mm of described annular boss table top.
8. the accurate flow regulator of one as claimed in claim 1, it is characterized in that, the Connection Element covering under described is cylindrical shape structure, and its outer circumferential sides is along the circumferential direction provided with an annular slot, the opposition element covering on described comprises the claw that several upwards extend to form along described aperture outer rim, and these several claws are uniformly distributed along circumferential, in the time that described upper cover and lower cover link together, described claw is arranged in described annular slot.
9. the accurate flow regulator of one as claimed in claim 8, is characterized in that, described opposition element comprises four claws.
10. the accurate flow regulator of one as claimed in claim 1, it is characterized in that, the edge of described lower hd top face is provided with a lower position block, and the line at this lower position block and described lower hd top face center is through described liquid outlet, the outer rim of described upper cover bottom surface extends to form annular rim downwards, and the inner side of described annular rim is provided with the upper limit position block coordinating with described lower position block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410067423.5A CN103785082B (en) | 2014-02-26 | 2014-02-26 | A kind of delicate flow adjusting means |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410067423.5A CN103785082B (en) | 2014-02-26 | 2014-02-26 | A kind of delicate flow adjusting means |
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| Publication Number | Publication Date |
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| CN103785082A true CN103785082A (en) | 2014-05-14 |
| CN103785082B CN103785082B (en) | 2017-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410067423.5A Active CN103785082B (en) | 2014-02-26 | 2014-02-26 | A kind of delicate flow adjusting means |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307068A (en) * | 2014-11-04 | 2015-01-28 | 上海康德莱企业发展集团医疗器械有限公司 | Portable non-gravity infusion device |
| CN108709230A (en) * | 2018-06-19 | 2018-10-26 | 广东美的环境电器制造有限公司 | For the humidification component of heater and with its heater |
| CN110786984A (en) * | 2019-11-04 | 2020-02-14 | 上海康德莱企业发展集团股份有限公司 | Special silicone oil-free injector for ophthalmology |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4769012A (en) * | 1984-11-02 | 1988-09-06 | Codan Medizinische Gerate Gmbh & Co. Kg | Gravity infusion and transfusion flow regulating device |
| US5234413A (en) * | 1989-07-25 | 1993-08-10 | Wonder Terry M | Infusion rate regulator device |
| US20040140444A1 (en) * | 2002-10-29 | 2004-07-22 | Smiths Medical Deutschland Gmbh | Regulating valve for adjusting the flow in an infusion or transfusion procedure |
| CN101282757A (en) * | 2005-10-05 | 2008-10-08 | Acu瑞特有限公司 | A controlled flow administration set |
| CN202061174U (en) * | 2011-03-01 | 2011-12-07 | 李正顺 | Control device for precise flow of intravenous drip |
| CN102813978A (en) * | 2012-09-03 | 2012-12-12 | 江苏艾信兰生物医药科技有限公司 | Regulator for micro-dose flow velocity and transfusion set thereof |
| CN202859787U (en) * | 2012-09-03 | 2013-04-10 | 江苏艾信兰生物医药科技有限公司 | Micro-dose flow velocity regulator and infusion apparatus thereof |
-
2014
- 2014-02-26 CN CN201410067423.5A patent/CN103785082B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4769012A (en) * | 1984-11-02 | 1988-09-06 | Codan Medizinische Gerate Gmbh & Co. Kg | Gravity infusion and transfusion flow regulating device |
| US5234413A (en) * | 1989-07-25 | 1993-08-10 | Wonder Terry M | Infusion rate regulator device |
| US20040140444A1 (en) * | 2002-10-29 | 2004-07-22 | Smiths Medical Deutschland Gmbh | Regulating valve for adjusting the flow in an infusion or transfusion procedure |
| CN101282757A (en) * | 2005-10-05 | 2008-10-08 | Acu瑞特有限公司 | A controlled flow administration set |
| CN202061174U (en) * | 2011-03-01 | 2011-12-07 | 李正顺 | Control device for precise flow of intravenous drip |
| CN102813978A (en) * | 2012-09-03 | 2012-12-12 | 江苏艾信兰生物医药科技有限公司 | Regulator for micro-dose flow velocity and transfusion set thereof |
| CN202859787U (en) * | 2012-09-03 | 2013-04-10 | 江苏艾信兰生物医药科技有限公司 | Micro-dose flow velocity regulator and infusion apparatus thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307068A (en) * | 2014-11-04 | 2015-01-28 | 上海康德莱企业发展集团医疗器械有限公司 | Portable non-gravity infusion device |
| CN108709230A (en) * | 2018-06-19 | 2018-10-26 | 广东美的环境电器制造有限公司 | For the humidification component of heater and with its heater |
| CN108709230B (en) * | 2018-06-19 | 2024-01-05 | 广东美的环境电器制造有限公司 | Humidification assembly for warmer and warmer with humidification assembly |
| CN110786984A (en) * | 2019-11-04 | 2020-02-14 | 上海康德莱企业发展集团股份有限公司 | Special silicone oil-free injector for ophthalmology |
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| Publication number | Publication date |
|---|---|
| CN103785082B (en) | 2017-09-19 |
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Address after: 201812 Shanghai city Jiading District Jinyuan Road No. 925 Building 2 Patentee after: SHANGHAI KINDLY MEDICAL INSTRUMENTS Co.,Ltd. Address before: 201803 No. 658, high tide Road, Shanghai, Jiading District Patentee before: SHANGHAI KINDLY ENTERPRISE DEVELOPMENT GROUP MEDICAL INSTRUMENTS Co.,Ltd. |
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Address after: 201800 Building 2, 925 Jinyuan 1st Road, Jiading District, Shanghai Patentee after: Shanghai Yingtai Medical Equipment Co.,Ltd. Guo jiahuodiqu after: Zhong Guo Address before: 201812 Jinyuan Road No. 925, Jiading District, Shanghai City, 2 Patentee before: SHANGHAI KINDLY MEDICAL INSTRUMENTS Co.,Ltd. Guo jiahuodiqu before: Zhong Guo |
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