CN204709549U - A kind of exhaust apparatus of medical Transfusion device and filter thereof - Google Patents
A kind of exhaust apparatus of medical Transfusion device and filter thereof Download PDFInfo
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- CN204709549U CN204709549U CN201520112993.1U CN201520112993U CN204709549U CN 204709549 U CN204709549 U CN 204709549U CN 201520112993 U CN201520112993 U CN 201520112993U CN 204709549 U CN204709549 U CN 204709549U
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Abstract
This utility model provides a kind of exhaust apparatus and filter thereof of medical Transfusion device, and this exhaust apparatus comprises: housing, and housing divides main casing and auxiliary housing.Main casing is provided with inlet and leakage fluid dram, and inlet is positioned at above leakage fluid dram, and main casing top is provided with at least one steam vent, and the inwall on main casing top is also provided with the circular groove communicated with steam vent.Air-permeable, hydrophobic blocks water film: the air-permeable, hydrophobic film that blocks water is rounded generally, air-permeable, hydrophobic block water film be positioned at inside circular groove, the inner walls in outside is closely closely sealed.The air-permeable, hydrophobic film that blocks water vertically has hydrophilic liquid medicine filtering membrane in below, and hydrophilic liquid medicine filtering membrane is positioned at the vertical upper area of leakage fluid dram, its edge and main casing inwall closely closely sealed.This utility model also relates to a kind of filter with exhaust apparatus, this filter comprises: exhaust apparatus, lower house, discharging tube, the top of lower house is fixedly connected with exhaust apparatus bottom, discharging tube is connected with the lower end of lower house, when being with the liquid of bubble to enter described exhaust apparatus, the bubble in liquid can be discharged by exhaust apparatus completely.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly a kind of exhaust apparatus of medical Transfusion device and filter thereof.
Background technology
At present, the liquid medicine filter of existing transfusion device has two kinds, a kind of is the filter of disposable infusion set, straight to filter, upper connecting tube is perpendicular to filter cover, lower linking tube is perpendicular to filter lower cover, generally be placed on the front of transfusion device intravenous needle, the microgranule of more than 25 microns can only be filtered, filter membrane is circular, diameter is general all smaller, generally be not more than 18 millimeters, another kind is accurate filter, can more than filter 23 to 5 micron microgranule, General Requirements filter area is enough large, generally be not more than 350 square millimeters, because area is excessive, for the ease of assembling, so secondary filter district is not preferably straight to filter, therefore horizontal tray type structure is all used, namely upper connecting tube and lower linking tube are all parallel with the upper and lower covers of filter.
In prior art, generally use the liquid medicine filter of transfusion device generally in the front end of transfusion vein pin clinically, filter be directly to, in infusion process, often there is existing in filter cover the situation that bubble is not easily discharged.So precision infusion set major part adopts horizontal disc filter at present, and above water entering surface, open at least one exhausting window, and by hydrophobic membrane, exhausting window has been sealed up.But the position difference due to exhausting window causes the part bubble of water entering surface to be arranged does not go out, bring a lot of worried and upper inconvenience of operation to nurse, add application risk.
Utility model content
This utility model provides a kind of easy to use, the exhaust apparatus of the medical Transfusion device that safety is high, cost is low and filter thereof.
To achieve these goals, this utility model provides following technical scheme:
An exhaust apparatus for medical Transfusion device, it comprises: main casing, air-permeable, hydrophobic block water film and hydrophilic liquid medicine filtering membrane;
Described main casing is provided with inlet and leakage fluid dram, and described inlet is positioned at above leakage fluid dram, and described main casing top is provided with at least one steam vent, and the inwall on described main casing top is also provided with the circular groove communicated with steam vent;
The described air-permeable, hydrophobic film that blocks water is rounded, the described air-permeable, hydrophobic film that blocks water is positioned at below inlet, the described air-permeable, hydrophobic film that blocks water is positioned at the vertical top of hydrophilic liquid medicine filtering membrane, described air-permeable, hydrophobic block water film be positioned at inside circular groove, the inner walls in outside seals and combines;
Described hydrophilic liquid medicine filtering membrane air-permeable, hydrophobic block water film vertically below and leakage fluid dram vertically above between region, described hydrophilic liquid medicine filtering membrane and inner walls seal and combine.
Preferably, described inlet is positioned at main casing top, and described leakage fluid dram is positioned at main casing bottom, and described inlet is positioned at the vertical top of circular groove, and the described air-permeable, hydrophobic film that blocks water is provided with and is positioned at below inlet and is less than or equal to the hole of inlet diameter.
Preferably, described exhaust apparatus also comprises feed tube, and the inwall of described feed tube and the outer wall of inlet seal and combine, and described feed tube is vertical with main casing.
Preferably, described feed tube lower end is positioned at steam vent Upper vertical direction.
Preferably, described main casing comprises upper element rounded generally, and the rounded lower portion assembly be connected with upper element lower end, described upper element outer wall is combined with lower component inner wall sealing, and described hydrophilic liquid medicine filtering membrane is close to the lower surface with lower component.
This utility model embodiment also provides a kind of filter, and it comprises: the main casing of medical Transfusion device described in above-mentioned any one technical scheme, auxiliary housing, feed tube, exhaust apparatus and discharging tube; Described exhaust apparatus comprises
Described main casing top is provided with inlet, inlet vertically below has at least one steam vent, described main casing bottom is provided with leakage fluid dram, and the inwall on described main casing top is also provided with the circular groove communicated with steam vent, and described inlet is positioned at the vertical top of circular groove;
Described auxiliary housing face profile is Pear-Shaped, and there is collar flange at edge;
The inwall of described feed tube and the outer wall of inlet seal and combine;
The air-permeable, hydrophobic film that blocks water is rounded generally, is provided with and is positioned at below inlet and is less than or equal to the hole of inlet diameter, air-permeable, hydrophobic block water film be positioned at inside circular groove, the inner walls in outside seals and combines;
Hydrophilic liquid medicine filtering membrane, described hydrophilic liquid medicine filtering membrane is positioned at air-permeable, hydrophobic and blocks water the vertical below of film, and the region between leakage fluid dram vertical direction, its edge welds base limit with main casing inwall closely closely sealed;
Described discharging tube is positioned at main casing bottom, and described main casing top and described main casing bottom are fixedly linked.
Preferably, described feed tube lower end is positioned at the vertical top of steam vent.
Preferably, described main casing comprises circular upper assembly generally, the rounded lower portion assembly be connected with upper element lower end, described upper element outer wall and lower component inwall closely closely sealed, described hydrophilic liquid medicine filtering membrane is close to the lower surface of upper element, described main casing generally in Pear-Shaped, and is positioned at the recessed edge of Pear-Shaped main casing outer wall, and hydrophilic liquid medicine filtering membrane lower surface is close in the lower component lower end of described main casing.
Preferably, main casing is consistent with auxiliary housing symmetrical shape, and forms a Pear-Shaped, and described auxiliary housing is nested in main casing, and forms complete filter after main casing and auxiliary case weld.
By implementing above technical scheme, there is following technique effect: 1, structure is simple, and production cost is low; 2, when being with the liquid of bubble to enter described exhaust apparatus, the bubble in liquid can be discharged by exhaust apparatus completely.3, described filter is installed on after in medical Transfusion device, the bubble of filter can be entered, or due to when liquid enters filter and the bubble that formed of liquid medicine filtering membrane overhead gas drain completely in defecator, thus minimizing medical personnel get rid of the time of bubble in medical Transfusion device, and greatly reduce the probability forming aeroembolism in patient body.
Accompanying drawing explanation
Figure 1 shows that the structural representation of the first embodiment of this utility model exhaust apparatus.
Figure 2 shows that the structural representation of the second embodiment of this utility model exhaust apparatus.
Figure 3 shows that the structural representation of the first embodiment of this utility model filter.
Figure 4 shows that the structural representation of the second embodiment of this utility model filter.
The component names that number in the figure is corresponding: 1: main casing, 2: inlet, 3: steam vent, 4: leakage fluid dram, 5: discharging tube, 6: feed tube, 7: air-permeable, hydrophobic blocks water film, 8: hydrophilic liquid medicine filtering membrane, 9: upper element, 10: Pear-Shaped housing unit, 11: lower component, 12: figure connected in star, 13: auxiliary housing, 14: flange.
Detailed description of the invention
In order to better understand the technical solution of the utility model, describe below in conjunction with accompanying drawing the embodiment that this utility model provides in detail.
Figure 1 shows that the first embodiment of this utility model exhaust apparatus, this exhaust apparatus comprises: the housing 1 in Pear-Shaped, and described housing 1 is divided into main casing, auxiliary housing; Described main casing 1 top is provided with inlet 2, steam vent 3, described main casing 1 inwall is also provided with circular groove 12, described steam vent 3 communicates with circular groove 12, described steam vent 3 is positioned at inside circular groove 12, described main casing 1 bottom offers leakage fluid dram 4 and top feed tube 6, described feed tube 6 inwall and inlet 2 outer wall closely closely sealed, and feed tube 6 is vertical with main casing 1 top; Air-permeable, hydrophobic blocks water film 7, described air-permeable, hydrophobic blocks water film 7 for circular, its external diameter is larger than the external diameter of circular groove 12, its internal diameter is less than circular groove 12 internal diameter, and its internal diameter is larger than inlet 2 diameter, block water film 7 of air-permeable, hydrophobic is closely closely sealed with housing 1 inwall of circular groove 12 inner and outer; Hydrophilic liquid medicine filtering membrane 8, described hydrophilic liquid medicine filtering membrane 8 is positioned at main casing 1 bottom, and closely closely sealed with the inwall of main casing 1; Block water film 7, hydrophilic liquid medicine filtering membrane 8 of described air-permeable, hydrophobic can be fixed in housing 1 by the mode of welding, and described housing 1 and feed tube 6 can be integrally formed.
Figure 2 shows that the second embodiment of this utility model exhaust apparatus, this exhaust apparatus comprises: generally in Pear-Shaped main casing 1, described main casing 1 comprises rounded upper element 9, the rounded lower portion assembly 11 be connected with upper element 9 lower end, described upper element 9 outer wall and lower component 11 inwall closely closely sealed, described main casing 1 top is provided with inlet 2, steam vent 3, described main casing 1 inwall is also provided with circular groove 12, described steam vent 3 communicates with circular groove 12, and described main casing 1 bottom offers leakage fluid dram 4; Feed tube 6, described feed tube 6 inwall and inlet 2 outer wall closely closely sealed, and the lower end of feed tube 6 is positioned at above steam vent 3; Air-permeable, hydrophobic blocks water film 7 for circular, its internal diameter is less than the internal diameter of circular groove 12, its external diameter is larger than the external diameter of circular groove 12, the described air-permeable, hydrophobic film 7 that blocks water is positioned at feed tube 6 lower end, and closely closely sealed with circular groove 12 inner and outer main casing 1 inwall, namely described circular groove 12 covers by the described air-permeable, hydrophobic film 7 that blocks water; Hydrophilic liquid medicine filtering membrane 8, described hydrophilic liquid medicine filtering membrane 8 is tightly sealed at upper element 9 lower surface.
{ 0037} Figure 3 shows that the first embodiment of this utility model filter, and this filter comprises exhaust apparatus as shown in Figure 1, the main casing 1 in Pear-Shaped, is arranged at the discharging tube 14 that main casing 1 bottom is close; Hydrophilic liquid medicine filtering membrane 8 in described exhaust apparatus is liquid medicine filtering membrane; Described main casing 1 right side and auxiliary housing 13 left side are fixedly connected.
{ 0038} Figure 4 shows that the second embodiment of this utility model filter, this filter comprises exhaust apparatus as shown in Figure 2, main casing 1 generally in Pear-Shaped, described main casing 1 comprises Pear-Shaped housing unit 10 and is positioned at the flange 14 of Pear-Shaped housing unit outer wall; Hydrophilic liquid medicine filtering membrane 8 in described exhaust apparatus is liquid medicine filtering membrane; Described Pear-Shaped housing unit 10 is equal with the internal diameter of upper element 9; Described auxiliary housing 13 left side is nested in main casing 1 right side, and hydrophilic liquid medicine filtering membrane 8 lower surface is close in Pear-Shaped housing unit 10 lower end.
After liquid with bubble enters housing from inlet, or after liquid enters exhaust apparatus and exhaust apparatus internal gas produce bubble, because liquid is by moistening for hydrophilic liquid medicine filtering membrane, bubble or gas can not pass hydrophilic liquid medicine filtering membrane, after bubble floating to liquid level, then discharge from passage; And to block water the resistance effect of film due to air-permeable, hydrophobic, after hydrophilic liquid medicine filtering membrane and the air-permeable, hydrophobic shell space blocked water between film is full of by liquid, liquid can not discharge exhaust apparatus by air-vent, can only hydrophilic liquid medicine filtering membrane be passed through, then discharge exhaust apparatus by leakage fluid dram.
Above the exhaust apparatus of a kind of medical Transfusion device that this utility model embodiment provides and filter thereof are described in detail, for one of ordinary skill in the art, according to the thought of this utility model embodiment, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (9)
1. an exhaust apparatus for medical Transfusion device, is characterized in that, comprising: main casing, air-permeable, hydrophobic block water film and hydrophilic liquid medicine filtering membrane;
Described main casing is provided with inlet and leakage fluid dram, and described inlet is positioned at above leakage fluid dram, and described main casing top is provided with at least one steam vent, and the inwall on described main casing top is also provided with the circular groove communicated with steam vent;
The described air-permeable, hydrophobic film that blocks water is rounded, the described air-permeable, hydrophobic film that blocks water is positioned at below inlet, the described air-permeable, hydrophobic film that blocks water is positioned at the vertical top of hydrophilic liquid medicine filtering membrane, described air-permeable, hydrophobic block water film be positioned at inside circular groove, the inner walls in outside seals and combines;
Described hydrophilic liquid medicine filtering membrane air-permeable, hydrophobic block water film vertically below and leakage fluid dram vertically above between region, described hydrophilic liquid medicine filtering membrane and inner walls seal and combine.
2. the exhaust apparatus of medical Transfusion device as claimed in claim 1, it is characterized in that: described inlet is positioned at main casing top, described leakage fluid dram is positioned at main casing bottom, described inlet is positioned at the vertical top of circular groove, and the described air-permeable, hydrophobic film that blocks water is provided with and is positioned at below inlet and is less than or equal to the hole of inlet diameter.
3. the exhaust apparatus of medical Transfusion device as claimed in claim 2, it is characterized in that: described exhaust apparatus also comprises feed tube, the inwall of described feed tube and the outer wall of inlet seal and combine, and described feed tube is vertical with main casing.
4. the exhaust apparatus of medical Transfusion device as claimed in claim 3, is characterized in that: described feed tube lower end is positioned at steam vent Upper vertical direction.
5. the exhaust apparatus of medical Transfusion device as described in any one of Claims 1-4, it is characterized in that: described main casing comprises upper element rounded generally, and the rounded lower portion assembly be connected with upper element lower end, described upper element outer wall is combined with lower component inner wall sealing, and described hydrophilic liquid medicine filtering membrane is close to the lower surface with lower component.
6. a filter, is characterized in that, comprising: main casing, auxiliary housing, feed tube, exhaust apparatus and discharging tube; Described exhaust apparatus comprises:
Described main casing top is provided with inlet, inlet vertically below has at least one steam vent, described main casing bottom is provided with leakage fluid dram, and the inwall on described main casing top is also provided with the circular groove communicated with steam vent, and described inlet is positioned at the vertical top of circular groove;
Described auxiliary housing face profile is Pear-Shaped, and there is collar flange at edge;
The inwall of described feed tube and the outer wall of inlet seal and combine;
The air-permeable, hydrophobic film that blocks water is rounded generally, is provided with and is positioned at below inlet and is less than or equal to the hole of inlet diameter, air-permeable, hydrophobic block water film be positioned at inside circular groove, the inner walls in outside seals and combines;
Hydrophilic liquid medicine filtering membrane, described hydrophilic liquid medicine filtering membrane is positioned at air-permeable, hydrophobic and blocks water the vertical below of film, and the region between leakage fluid dram vertical direction, its edge welds base limit with main casing inwall closely closely sealed;
Described discharging tube is positioned at main casing bottom, and described main casing top and described main casing bottom are fixedly linked.
7. filter as claimed in claim 6, is characterized in that: described feed tube lower end is positioned at the vertical top of steam vent.
8. filter as claimed in claims 6 or 7, it is characterized in that: described main casing comprises circular upper assembly generally, the rounded lower portion assembly be connected with upper element lower end, described upper element outer wall and lower component inwall closely closely sealed, described hydrophilic liquid medicine filtering membrane is close to the lower surface of upper element, described main casing generally in Pear-Shaped, and is positioned at the recessed edge of Pear-Shaped main casing outer wall, and hydrophilic liquid medicine filtering membrane lower surface is close in the lower component lower end of described main casing.
9. filter as claimed in claims 6 or 7, is characterized in that: main casing is consistent with auxiliary housing symmetrical shape, and forms a Pear-Shaped, and described auxiliary housing is nested in main casing, and forms complete filter after main casing and auxiliary case weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520112993.1U CN204709549U (en) | 2015-02-16 | 2015-02-16 | A kind of exhaust apparatus of medical Transfusion device and filter thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520112993.1U CN204709549U (en) | 2015-02-16 | 2015-02-16 | A kind of exhaust apparatus of medical Transfusion device and filter thereof |
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| Publication Number | Publication Date |
|---|---|
| CN204709549U true CN204709549U (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520112993.1U Expired - Fee Related CN204709549U (en) | 2015-02-16 | 2015-02-16 | A kind of exhaust apparatus of medical Transfusion device and filter thereof |
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| CN (1) | CN204709549U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106361567A (en) * | 2016-11-11 | 2017-02-01 | 广东海恺普新型医药包装材料有限公司 | Vein treating device |
-
2015
- 2015-02-16 CN CN201520112993.1U patent/CN204709549U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106361567A (en) * | 2016-11-11 | 2017-02-01 | 广东海恺普新型医药包装材料有限公司 | Vein treating device |
| CN106361567B (en) * | 2016-11-11 | 2018-06-29 | 广东海恺普新型医药包装材料有限公司 | Vein treatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20190216 |