CN204050480U - From exhaust gas filter dropping funnel - Google Patents
From exhaust gas filter dropping funnel Download PDFInfo
- Publication number
- CN204050480U CN204050480U CN201420354214.4U CN201420354214U CN204050480U CN 204050480 U CN204050480 U CN 204050480U CN 201420354214 U CN201420354214 U CN 201420354214U CN 204050480 U CN204050480 U CN 204050480U
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- China
- Prior art keywords
- lower casing
- upper cover
- liquid outlet
- filter
- dropping funnel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000007788 liquid Substances 0.000 claims abstract description 108
- 239000012528 membrane Substances 0.000 claims abstract description 46
- 230000004888 barrier function Effects 0.000 claims abstract description 17
- 229920001971 elastomer Polymers 0.000 claims abstract description 17
- 229920002529 medical grade silicone Polymers 0.000 claims abstract description 17
- 238000002347 injection Methods 0.000 claims abstract description 13
- 239000007924 injection Substances 0.000 claims abstract description 13
- 239000002775 capsule Substances 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 6
- 239000003814 drug Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000007872 degassing Methods 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000000157 blood function Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
This utility model belongs to medical filtration field, discloses a kind of from exhaust gas filter dropping funnel, comprises upper cover and lower casing.On be covered with injection port, inlet, discharge chamber and air vent; Injection port is furnished with Capsule, and inlet is connected with transfusion catheter, and discharge chamber is communicated with air vent, and exhaust ports is furnished with the exhaust cap of degassing function, realizes level control and automatic ventilating function.Lower casing is provided with choke filter course and liquid outlet, and choke filter course is pressed together on lower house top, is combined by gas barrier film and liquid medicine filtering membrane, realizes the function of choke, automatic liquid-stopping, non-return; Liquid medicine filtering membrane is near liquid outlet, and liquid outlet is connected with transfusion catheter.Lower casing and described top cap are connected into type; Upper cover adopts one-body molded Shooting Technique, and simplify processing technology, reduction manufactures a finished product; Bottom liquid outlet is provided with sulculus, reduces medicinal liquid flow velocity, avoids gas to flow into liquid outlet; Set up first filter layer in another lower casing, choke filter course adopts medical grade silicon rubber film, realizes the multi-filtering of medicinal liquid.
Description
Technical field
This utility model relates to medical filtration field, and particularly one is from exhaust gas filter dropping funnel.
Background technology
Existing with the transfusion dropping funnel from degassing function, the two ends of dropping funnel are all unenclosed constructions, and unlimited place connects dropping funnel upper cover and lower casing respectively, and the junction of upper and lower shell and dropping funnel needs to realize being tightly connected by bonding agent.Dropping funnel parts are too many, and processing technique is more complicated, and production efficiency is lower; Small volume, the assembling between parts is very inconvenient.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is: more for solving existing transfusion dropping funnel assembling parts, and produce and assemble difficulty comparatively greatly, production efficiency is low; Thorough solution aerofluxus, control the problem of liquid level, only liquid, filtration and return blood.
(2) technical scheme
In order to solve the problems of the technologies described above, this utility model provides a kind of from exhaust gas filter dropping funnel, and comprise upper cover and lower casing, the bottom of described upper cover is open design, and described lower casing is connected to the bottom of described upper cover; Described lower casing is provided with liquid outlet, and described liquid outlet is connected with transfusion catheter; Be provided with choke filter course above described liquid outlet, described choke filter course comprises gas barrier film and filter membrane, described filter membrane comparatively gas barrier film near described liquid outlet; Cover on described be provided with respectively with the injection port of described cavity connects, inlet and air vent, described injection port is socketed with Capsule, and described inlet is connected with transfusion catheter; Described air vent is furnished with exhaust cap, and exhaust cap is provided with steam vent, and described steam vent place is provided with only liquid film.
Wherein, be provided with discharge chamber in described cavity, one end of described discharge chamber is communicated with the inside of described upper cover, and the other end penetrates described exhaust cap and is communicated with described steam vent.
Wherein, described upper cover, injection port, inlet and described discharge chamber are structure as a whole.
Wherein, the junction of described lower casing and upper cover is also provided with first filter layer, and described upper cover cavity and lower casing inner chamber separate by described first filter layer.
Wherein, described first filter layer is liquid medicine filtering membrane.
Wherein, described liquid outlet is provided with the section of stretching out in described lower casing, and described in being positioned between described lower casing inwall and filter membrane, the surrounding of the section of stretching out leaves space.
Wherein, described in the section of stretching out sidewall on be also provided with sulculus, described air vent makes the inner chamber of described gap and the liquid outlet section of stretching out be interconnected.
Wherein, described discharge chamber is positioned at one end of described upper cover inside, and the sidewall along described upper cover is provided with an extension.
Wherein, be provided with back-up ring in described lower casing, described filter membrane is positioned at the junction of upper cover and lower casing, and described gas barrier film is positioned at above the liquid outlet of lower casing inside, and described back-up ring is positioned at below filter membrane and gas barrier film, plays a supportive role.
Wherein, gas barrier film can be cancelled during described employing medical grade silicon rubber film and play the function of only liquid by the fluctuating of buoyancy medical grade silicon rubber film of medicinal liquid.
(3) beneficial effect
Technique scheme tool has the following advantages:
This utility model to above-mentioned Problems existing and deficiency from exhaust gas filter dropping funnel needle, provides a kind of and manufactures simple, easy to operate, can to realize level control, automatic vent, automatic liquid-stopping and return blood function.
This utility model structure divides upper cover and lower casing two parts, assembled formation.On cover and be provided with injection port, inlet, air vent and discharge chamber, also multiple discharge chamber and air vent can be set.With upper cover single injection-molded, simplify manufacturing process; Exhaust ports is furnished with exhaust cap, be provided with steam vent in exhaust cap and stop liquid film, prevent medicinal liquid from overflowing from steam vent, realize level control and self-bleeding function, lower casing is provided with choke filter course and liquid outlet, choke filter membrane is made up of gas barrier film and filter membrane double-layer structure, and filter membrane is positioned at the position near liquid outlet, achieves the function of choke, medical filtration and automatic liquid-stopping; Liquid outlet place is provided with sulculus, reduces the speed that medicinal liquid flows into liquid outlet, avoids the gas on filter membrane upper strata to be brought in liquid outlet by the medicinal liquid flowed fast, reduce bubble, ensure use safety;
This utility model also can realize bipolar filtration, is provided with first filter layer at lower casing top, is provided with choke filter membrane on liquid outlet top, realizes the dual filtering functions of medicinal liquid.Choke filter membrane also can change medical grade silicon rubber film into, before lying in first filter layer and liquid outlet, and and leave gap between lower casing inwall, play the function of only liquid by the fluctuating of buoyancy medical grade silicon rubber film of medicinal liquid.Thus achieve the secondary filter of medicinal liquid.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of this utility model embodiment one;
Fig. 2 is the perspective view of this utility model embodiment one;
Fig. 3 is the cross-sectional view of lower casing in this utility model embodiment one;
Fig. 4 is the top view of lower casing in this utility model embodiment one;
Fig. 5 is the top view of lower casing in this utility model embodiment two;
Fig. 6 is the perspective view of this utility model embodiment three;
Fig. 7 is the cross-sectional view of this utility model embodiment three;
Fig. 8 is the cross-sectional view of this utility model embodiment four;
Fig. 9 is the cross-sectional view of this utility model embodiment five;
Figure 10 is the cross-sectional view of this utility model embodiment six.
Wherein, 1, Capsule; 2, transfusion catheter; 3, inlet; 4, steam vent; 5, exhaust cap; 6, liquid film is stopped; 7, discharge chamber; 8, choke filter course; 81, medical grade silicon rubber film; 9, liquid outlet; 10, lower casing; 11, upper cover; 12, first filter layer; 13, back-up ring.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of this utility model, but are not used for limiting scope of the present utility model.
Embodiment one:
As Figure 1-4, upper cover 11 be a lower ending opening, inner be empty structure, upper cover 11 is provided with and is communicated with upper cover 11 inside, and the injection port, inlet 3 and the discharge chamber 7 that are structure as a whole with upper cover 11; Injection port is socketed with Capsule 1, so that use syringe to supplement medicinal liquid in dropping funnel; Inlet 3 is connected with transfusion catheter 2, and inlet 3 is entrances that medicinal liquid enters dropping funnel; One end of discharge chamber 7 is exposed at outside upper cover 11, exposed portion is socketed with exhaust cap 5, exhaust cap 5 is provided with steam vent 4, steam vent 4 is relative with the inner chamber of discharge chamber 7, only liquid film 6 is also provided with between steam vent 4 and discharge chamber 7, only liquid film 6 allows gas to pass through, but does not allow liquid to pass through, and can realize stoping medicinal liquid to be discharged and discharging gas two objects in dropping funnel.Discharge chamber 7 is positioned at the part of upper cover 11 inside, and the sidewall along upper cover 11 has one section of downward extension, but it is communicated with the inside of upper cover 11 bottom, and the height of its lower end is exactly the height of liquid level, plays the object controlling liquid level.
The lower limb assembled formation of lower casing 10 top edge and upper cover 11, is provided with liquid outlet 9 in the middle part of lower casing 10, liquid outlet 9 one end is connected with transfusion catheter 2, and the other end is provided with the section of stretching out in lower casing 10; Liquid outlet 9 place is provided with the choke filter course 8 be made up of gas barrier film and filter membrane two membranes, and lower casing 10 interior separation is become upper and lower two parts by choke filter course 8, and wherein filter membrane is positioned at the position near liquid outlet 9 section of stretching out; The end of liquid outlet 9 section of stretching out withstands on filter membrane, filter membrane, the section of stretching out and lower casing 10 inwall three surround a gap, gap is centered around around the section of stretching out.Wherein, the characteristic of filter membrane determines: when medicinal liquid soaks into filter membrane completely, can realize the function of medical filtration, automatic liquid-stopping.
Gas barrier film and filter membrane during fabrication, are directly pressed together on bottom upper cover 11 by choke filter course 8, then assemble namely plastic by upper cover 11 and lower casing 10.
The work process of the present embodiment:
Medicinal liquid enters dropping funnel from transfusion catheter 2 and inlet 3, enters liquid outlet 9 flow into eluate conduit by choke filter course 8.When medicinal liquid drips to the bottom position of discharge chamber 7 in upper cover 11 automatically, liquid can control, at this height, to play the effect controlling liquid level; Now medicinal liquid is by choke filter course 8, because choke filter course 8 is provided with gas barrier film, by the gas barrier that now produces on choke filter course 8, the gas produced will be discharged under the effect of exhaust cap 5 by discharge chamber 7 by gas, can not flow in lower casing 10, realize self-bleeding function; The medicinal liquid filtered through choke filter membrane 8 enters gap between choke filter course 8 and lower casing 10, by liquid outlet 9 inflow catheter;
After liquid level declines, because only liquid film 6 can make gas pass through, the liquid level in discharge chamber 7 also can lower together.After the medicinal liquid in medicine bottle is finished, when liquid level drops to choke filter course 8, due to the effect of filter membrane always, the gas in dropping funnel cannot pass through filter membrane, and medicinal liquid stops dripping, and transfusion stops automatically, thus realizes the function of automatic liquid-stopping.
Embodiment two:
The present embodiment is substantially identical with the structure of embodiment one, difference is: the sidewall of liquid outlet 9 section of stretching out is provided with the sulculus that is communicated with liquid outlet 9 inner chamber and liquid outlet 9 peripheral clearance, this structure makes liquid outlet 9 inner chamber be communicated with gap, the entrance of medicinal liquid inflow liquid outlet 9 section of stretching out on filter membrane upper strata increases, flow velocity declines naturally, thus avoids that medicinal liquid flow velocity is too fast brings gas into liquid outlet 9.
Certainly, on the basis of embodiment two, can also select to offer two or more sulculus, to reduce the flow velocity flowing through the medicinal liquid of liquid outlet 9 protrusion section position further, thoroughly avoid the gas in medicinal liquid through the generation of filter membrane phenomenon, ensure the safety in utilization of dropping funnel further.
In addition, the quantity of discharge chamber 7 also can be set to one or more as required, and is equipped with the exhaust cap 5 that cover connects respective numbers.
Embodiment three:
The present embodiment is substantially identical with the structure of embodiment one, and difference is: lower casing 10 and upper cover 11 junction are also provided with first filter layer 12, and first filter layer 12 is made up of filter membrane; The cavity that lower casing 10 is communicated with upper cover 11 inside is separated into two independently cavitys by first filter layer 12.
During making, directly the double-layer structure of choke filter course 8 is pressed together on liquid outlet 9 top bottom lower casing 10, first filter layer 12 is directly pressed together on the bottom of upper cover 11, then upper cover 11 is connected with lower casing 10.
The work process of the present embodiment is substantially identical with the process of embodiment one, and difference is: the medicinal liquid that upper cover 11 flows down, and first after going out filter membrane and tentatively filtering, then enters intracavity in the lower casing 10 between first filter layer 12 and choke filter course 8.This structure achieves the secondary filter to medicinal liquid, larger impurity can be blocked in upper cover 11, avoids the filter membrane of impurity to choke filter course 8 to cause damage; Also be simultaneously a kind of double insurance, even if wherein one deck filter membrane cracking, dropping funnel still can realize the function of filtering, and guarantees that impurity can not be mixed into human body.
Embodiment four:
As shown in Figure 8, the structure of the present embodiment is substantially identical with embodiment three, and difference is: choke filter course 8 is made up of medical grade silicon rubber film 81 and filter membrane, and medical grade silicon rubber film 81 is also used for choke; Be provided with back-up ring 13 in lower casing 10, back-up ring 13 is placed in lower casing 10, and leave gap between the bottom of back-up ring 13 and the bottom surface of lower casing 10, medical grade silicon rubber film 81 is laid in this gap, and can move up and down in this gap, and filter membrane is pressed together on the bottom of upper cover 11.The effect of the choke filter course 8 in the present embodiment and identical in embodiment one, be all used to realize choke filtering function; But when manufacturing, only medical grade silicon rubber film 81 need be laid in the top of liquid outlet 9, back-up ring 13 is put into lower casing 10, then filter membrane is pressed together on upper cover 11 bottom and in lower casing 10 assembled formation.One section of space is left between filter membrane and medical grade silicon rubber film 81, medical grade silicon rubber filter membrane lies in the top of liquid outlet 9, after medicinal liquid is filtered by filter membrane, downstream to liquid outlet 9 place, medicinal liquid is gone down by the marginal flow of medical grade silicon rubber film 81, now medical grade silicon rubber filter membrane will float, and is close together with the bottom of back-up ring 13, plays choke effect.It is more that this structure makes the medicinal liquid at liquid outlet 9 place accumulate, and flow area is comparatively large, and corresponding flowing velocity is just slow, can reduce the number of bubbles because of the too fast generation of medicinal liquid flow velocity.
Embodiment five:
The present embodiment is substantially identical with embodiment one, and difference is: do not establish discharge chamber 7, and exhaust cap 5 is positioned at Sidewall Height 1/2 place of upper cover 11, and the inside of exhaust cap 5 directly and the cavity connects of upper cover 11 inside.Gas in upper cover 11 is directly discharged by the steam vent 4 of exhaust cap 5, and because steam vent 4 place is provided with only liquid film 6, medicinal liquid can not flow out from steam vent 4, and the position height of steam vent 4 is exactly the height of medicinal liquid.
This structure is without the need to arranging discharge chamber 7, and structure is simple, is convenient to production and processing, has saved the material produced needed for upper cover 11.
Embodiment six:
The present embodiment is substantially identical with embodiment five, and difference is to realize bipolar filtration.Pressing first filter layer 12 bottom upper cover 11, and medical grade silicon rubber film 81 is kept flat on lower casing 10 liquid outlet 9, when medicinal liquid flows into, medical grade silicon rubber film 81 floats, and plays the function of filtering liquid medicine, automatic liquid-stopping equally.
Certainly, this design exhaust cap 5 being arranged on upper cover 11 side, also may be used for the discharge chamber 7 in other embodiments alternative and exhaust cap 5, form new embodiment, this is no longer going to repeat them.
As can be seen from the above embodiments, this utility model adopt upper cover 11 and lower casing 10 assembled formation from exhaust gas filter dropping funnel, upper cover 11 is provided with upper cover 11 inner space and the injection port, inlet 3 and the discharge chamber 7 that are structure as a whole with upper cover 11, three interfaces and upper cover 11 can be once injection molded, simplify processing technology, reduce production cost.Discharge chamber 7 upper end is provided with exhaust cap 5, and exhaust cap 5 is provided with steam vent 4, is provided with only liquid film 6 in exhaust cap 5; Only need exhaust cap 5 to be directly enclosed within steam vent 4 place, the function of automatic vent, automatic liquid-stopping and level control can be realized, effectively improve packaging efficiency; Choke filter course 8 is made up of gas barrier film and filter membrane double-layer structure, and filter membrane is positioned at the position near liquid outlet 9, achieves the multi-functional of medical filtration, choke and automatic liquid-stopping; Leave gap between choke filter course 8 and lower casing 10 inwall, be provided with sulculus between gap and liquid outlet 9, the gas in gap and liquid outlet 9 is discharged by fast and easy; Set up first filter layer 12 in lower casing 10, achieve the secondary filter of medicinal liquid.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from this utility model know-why; can also make some improvement and replacement, these improve and replace and also should be considered as protection domain of the present utility model.
Claims (10)
1. from exhaust gas filter dropping funnel, it is characterized in that, comprise upper cover and lower casing, the bottom of described upper cover is open design, and described lower casing is connected to the bottom of described upper cover;
Described lower casing is provided with liquid outlet, and described liquid outlet is connected with transfusion catheter; Be provided with choke filter course above described liquid outlet, described choke filter course comprises gas barrier film and filter membrane, described filter membrane comparatively gas barrier film near described liquid outlet;
Cover on described be provided with respectively with the injection port of the cavity connects in upper cover, inlet and exhaust cap, described injection port is socketed with Capsule, and described inlet is connected with transfusion catheter; Described exhaust cap is provided with steam vent, and described steam vent place is provided with only liquid film.
2. as claimed in claim 1 from exhaust gas filter dropping funnel, it is characterized in that, be provided with discharge chamber in described cavity, one end of described discharge chamber is communicated with the inside of described upper cover, and the other end penetrates described exhaust cap and is communicated with described steam vent.
3. as claimed in claim 2 from exhaust gas filter dropping funnel, it is characterized in that, described upper cover, injection port, inlet and described discharge chamber are structure as a whole.
4. as claimed in claim 3 from exhaust gas filter dropping funnel, it is characterized in that, the junction of described lower casing and upper cover is also provided with first filter layer, and described upper cover cavity and lower casing inner chamber separate by described first filter layer.
5. as claimed in claim 4 from exhaust gas filter dropping funnel, it is characterized in that, described first filter layer is filter membrane.
6. as claimed in claim 5 from exhaust gas filter dropping funnel, it is characterized in that, described liquid outlet is provided with the section of stretching out in described lower casing, and described in being positioned between described lower casing inwall and filter membrane, the surrounding of the section of stretching out leaves space.
7. as claimed in claim 6 from exhaust gas filter dropping funnel, it is characterized in that, described in the section of stretching out sidewall on be also provided with sulculus, described air vent makes the inner chamber of described space and the liquid outlet section of stretching out be interconnected.
8. as claimed in claim 1 from exhaust gas filter dropping funnel, it is characterized in that, described discharge chamber is positioned at one end of described upper cover inside, and the sidewall along described upper cover is provided with an extension.
9. as claimed in claim 1 from exhaust gas filter dropping funnel, it is characterized in that, be provided with back-up ring in described lower casing, described filter membrane is positioned at the junction of upper cover and lower casing, described gas barrier film is positioned at above the liquid outlet of lower casing inside, and described back-up ring is between filter membrane and gas barrier film.
10. as claimed in claim 9 from exhaust gas filter dropping funnel, it is characterized in that, described gas barrier film is medical grade silicon rubber film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420354214.4U CN204050480U (en) | 2014-06-27 | 2014-06-27 | From exhaust gas filter dropping funnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420354214.4U CN204050480U (en) | 2014-06-27 | 2014-06-27 | From exhaust gas filter dropping funnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204050480U true CN204050480U (en) | 2014-12-31 |
Family
ID=52192080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420354214.4U Expired - Fee Related CN204050480U (en) | 2014-06-27 | 2014-06-27 | From exhaust gas filter dropping funnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204050480U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106563185A (en) * | 2016-07-08 | 2017-04-19 | 蔡根顺 | Precision type intelligent dripping bucket with automatic drainage and liquid storage functions, and liquid storage floating body |
| CN107469180A (en) * | 2017-08-22 | 2017-12-15 | 丁向峰 | Easily regulation transfusion device |
| WO2020211190A1 (en) * | 2019-04-16 | 2020-10-22 | 江苏金塔药业有限公司 | Filtering device |
-
2014
- 2014-06-27 CN CN201420354214.4U patent/CN204050480U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106563185A (en) * | 2016-07-08 | 2017-04-19 | 蔡根顺 | Precision type intelligent dripping bucket with automatic drainage and liquid storage functions, and liquid storage floating body |
| CN107469180A (en) * | 2017-08-22 | 2017-12-15 | 丁向峰 | Easily regulation transfusion device |
| WO2020211190A1 (en) * | 2019-04-16 | 2020-10-22 | 江苏金塔药业有限公司 | Filtering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160516 Address after: 101500 Beijing City, Miyun Dong Ji Road No. 2 hospital Patentee after: Beijing kailier Medical Technology Co Ltd Address before: 101500 No. 123, Da Sheng Road, A District, Miyun Industrial Development Zone, Beijing Patentee before: You Quli |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20190627 |
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| CF01 | Termination of patent right due to non-payment of annual fee |