CN203493987U - Precise filtration bag-type infusion device - Google Patents
Precise filtration bag-type infusion device Download PDFInfo
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- CN203493987U CN203493987U CN201320616000.5U CN201320616000U CN203493987U CN 203493987 U CN203493987 U CN 203493987U CN 201320616000 U CN201320616000 U CN 201320616000U CN 203493987 U CN203493987 U CN 203493987U
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Abstract
The utility model discloses a precise filtration bag-type infusion device. The device comprises a bottle stopper puncture device, an adjustor A, an adjuster B, a solution distributing bag, a dripping hopper, a precise filter and an infusion needle. The precise filter comprises an upper cover and a lower cover, a groove is formed in the inner side wall of the upper cover, an exhaust hole is formed in the middle of the groove, an air filtering film is welded in the groove, and a round clamping ring can be further arranged in the groove and used for further fixing the air filtering film. Filtering film protrusive supporting ends in a transverse-strip shape are arranged on the inner side wall of the upper cover and the inner side wall of the lower cover. Infusion solution flowing channels are formed between the protrusive supporting ends respectively and correspond to a solution inlet and a solution outlet respectively. In the infusion process, solution flows through the flowing channels, and when air enters, air bubbles are easy to exhaust after convoluted through the solution flowing channels 8a. According to the precise filtration bag-type infusion device, while infusion is performed, the purposes of automatic exhaust and precise filtering can be achieved easily, the filtering precision is smaller than or equal to 5 micrometers, and compared with a traditional product, the device can prevent the air filtering film from falling off in the use process and further can effectively prevent the matching position between the infusion needle and infusion solution filter from loosening and falling off.
Description
Technical field
This utility model relates to a kind of transfusion device, is specifically a kind of secondary filter bag-type infusion
device.
Background technology
Bag transfusion system is widely used in medical industry, and consumption is large, uses extensively; Precise filtering bag type transfusion device, refers to a kind of disposable use specialized transfusion system that has been equipped with precision liquid medicine filter, its feature be can filtering medicinal liquid in common drug liquid filter cannot filtering the particulate matter of 2-10um.Be mainly used in preventing the various bad infusion reaction that in clinical transfusion, particulate matter causes.
The precision filter infusion set using in industry at present, in infusion process, nurse needs the situation of checking transfusion of variable interval, prevents air to input in patient body, works the mischief.
For accurate filter, it is very important having from aerofluxus as can be seen here, and conventionally air-filtering membrane (hydrophobic membrane) is all arranged on inner walls, contact with liquid, yet while carrying out along with transfusion, air-filtering membrane may occur coming off and occur now, thereby affects exhaust quality.In addition, transfusion device is in clinical use, patient often has little trick (such as upper health is asked, stirred on one's sick bed etc.) in various degree, will there is pullling in various degree to transfusion device like this, there is sometimes the loosening phenomenon even coming off in transfusion needle and liquid medicine filter cooperation place, this not only can cause waste and the pollution of medicinal liquid, also can cause the misery of changing transfusion device secondary puncture to patient, also to medical personnel, has increased workload simultaneously.Yet for accurate filter, the problem that processing and manufacturing difficulty Ye Shi producer need to consider, more existing accurate filters are when being accompanied by functional promotion, and die sinking difficulty can increase, and processing technique is complicated, is unfavorable for large-scale production.
Utility model content
The purpose of this utility model is effectively to overcome the above problems, at this, provide a kind of precise filtering bag type transfusion device, easy to use, in the time of transfusion, can easily reach the object of aerofluxus and secondary filter, compare with traditional product, can prevent air-filtering membrane coming off in use, can also effectively avoid transfusion needle and accurate filter cooperation place to become flexible, come off.
This utility model is to realize like this, construct a kind of precise filtering bag type transfusion device, comprise bottle plug puncture unit, actuator A, actuator B, separatory bag, dropping funnel, accurate filter and transfusion needle, bottle plug puncture unit is connected with separatory bag by conduit, on this conduit, actuator is set, bottle plug puncture unit and exhaustor are bonding, exhaustor and air filter are bonding, on separatory bag, pass through bonding catheter soft seat helmet, between dropping funnel and accurate filter, by conduit, be connected, actuator B is set on this conduit, it is characterized in that:
Described accurate filter comprises upper cover and lower cover, between upper cover and lower cover, be buckled into sealed cavity, wherein between upper cover and lower cover, filter membrane is set, and be divided into admission chamber and go out sap cavity, on described, cover and be provided with the liquid feeding end communicating with admission chamber, cover under described and be provided with and the liquid outlet that goes out sap cavity and communicate;
Described liquid feeding end and top cap are integrated, and described drain pipe and lower cover are connected as a single entity, and wherein liquid feeding end, drain pipe are respectively to having inlet, liquid outlet;
The medial wall of described upper cover is formed with groove, and this groove middle part is provided with steam vent, welding air-filtering membrane in described groove, and described upper cover and lower cover medial wall are provided with the filter membrane protrusion support end that is horizontal stripe shape; Filter membrane arranges by the protrusion support end of two sides; Wherein protrude and between support end, form respectively transfusion runner, and corresponding with above-mentioned inlet, liquid outlet respectively.
According to precise filtering bag type transfusion device described in the utility model, it is characterized in that: in described groove, be also provided with a round collar, and the location of realizing air-filtering membrane by this circle collar.
According to precise filtering bag type transfusion device described in the utility model, it is characterized in that: described liquid feeding end and liquid outlet are all threaded.
According to precise filtering bag type transfusion device described in the utility model, it is characterized in that: described lower cover inside goes out in sap cavity, to be formed with fluid blocking part; And corresponding to liquid outlet setting, in fluid blocking part, be provided with a plurality of fluid through-holes that go out.
The utility model has the advantage of: precise filtering bag type transfusion device described in the utility model, after improving, accurate filter can easily reach the object of aerofluxus and secondary filter, filtering accuracy≤5 micron, compare with traditional product, accurate filter can prevent inner air filter membrane coming off in use, can also effectively avoid transfusion needle and liquid medicine filter cooperation place to become flexible, come off.
In this utility model, described upper cover and lower cover adopt transparent ABS material to make, and its intensity is good; Air-filtering membrane adopts PTFE+ non-woven fabrics to make; What air-filtering membrane required is hydrophobicity, so air-filtering membrane adopts PTFE+ non-woven fabrics to make, so its object is good at hydrophobicity.In addition, also accurate filter is improved, there is following benefit:
(1): the medial wall of described upper cover is formed with groove, this groove middle part is provided with steam vent, welding (employing ultra-sonic welded) air-filtering membrane in groove, can also in described groove, on air-filtering membrane, be equipped with a round collar, and the location of further realizing air-filtering membrane by this circle collar.By after improving, can solve and prevent air-filtering membrane coming off in use, thereby make the performance of accurate filter unaffected.
(2): described upper cover and lower cover medial wall are provided with the filter membrane protrusion support end that is horizontal stripe shape; Filter membrane arranges by the protrusion support end of two sides; Wherein protrude and between support end, form respectively transfusion runner, and corresponding with above-mentioned inlet, liquid outlet respectively; During transfusion, liquid is by flow passage, if when air enters, bubble is easily got rid of after transfusion runner 8a convolution.
(3): in this utility model, described liquid feeding end 1a and liquid outlet 2a are all threaded.Prevent Joint's falling off, the leakage that prevents from infusing occurs.
(4): described lower cover inside goes out in sap cavity, to be formed with fluid blocking part; And corresponding to liquid outlet setting, in fluid blocking part, be provided with a plurality of fluid through-holes that go out; Liquid flows out through going out fluid through-hole, and filter effect is not affected, and total is simple simultaneously, for the easy die sinking of single accurate filter, and easily processing and manufacturing, processing technique is easy.
Accompanying drawing explanation
Fig. 1 is liquid precise filtering bag type transfusion device overall structure schematic diagram described in the utility model
Fig. 2 is upper cover schematic diagram described in the utility model
Fig. 3 is that this utility model upper cover further groove is with circle collar schematic diagram
Fig. 4 is this utility model lower cover schematic diagram
Fig. 5 is another schematic diagram of this utility model lower cover
Wherein: 101, bottle plug puncture unit, 101a, bottle plug puncture unit helmet, 102, actuator, 103, separatory bag, 104, dropping funnel, 105, accurate filter, 106, transfusion needle, 107, exhaustor, 108, air filter, 109, soft seat helmet, 110, actuator B, 1, upper cover, 1a, liquid feeding end, 1b, inlet, the medial wall of 1c, upper cover; 2, lower cover, 2a, liquid outlet; 2b, liquid outlet, the medial wall of 2c, lower cover; 3a, 3b, protrudes support end, and 4, groove, 4a, steam vent, 5, circle collar, 6, fluid blocking part; 6a, go out fluid through-hole; 7, air-filtering membrane, 8a, 8b, transfusion runner.
The specific embodiment
Below in conjunction with accompanying drawing, 1-5 is elaborated to this utility model, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is only this utility model part embodiment, rather than whole embodiment.Embodiment based in this utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of this utility model protection.
As shown in Figure 1, this utility model provides a kind of precise filtering bag type transfusion device at this, comprises bottle plug puncture unit 101, actuator 102, actuator B110, separatory bag 103, dropping funnel 104, accurate filter 105 and transfusion needle 106; Wherein the syndeton of above-mentioned parts is as follows: on bottle plug puncture unit 101, be provided with bottle plug puncture unit helmet 101a, and be connected with separatory bag 103 by conduit, actuator 102 is set on this conduit, and bottle plug puncture unit 101 is bonding with exhaustor 107, and exhaustor 107 is bonding with air filter 108; On separatory bag 103, by bonding catheter soft seat helmet 109, between dropping funnel 104 and accurate filter 105, by conduit, be connected, actuator B110 is set on this conduit.
The medial wall 1c of described upper cover 1 is formed with groove 4, these groove 4 middle parts are provided with steam vent 4a, at the interior welding air-filtering membrane of groove 4 7(, adopt ultra-sonic welded), can solve and prevent air-filtering membrane 7 coming off in use, thereby make the performance of accurate filter unaffected, can also in described groove 4, also be provided with a round collar 5, and further realize the fixing of air-filtering membrane 7 by this circle collar 5 simultaneously.
By after improving, and the effect downside of circle collar 5 realize the fixing of air-filtering membrane 5, can solve and prevent air-filtering membrane coming off in use, thereby make the performance of accurate filter unaffected.
Described upper cover 1 and lower cover 2 medial wall 1c, 2c is provided with the filter membrane protrusion support end 3a that is horizontal stripe shape, 3b; Filter membrane is by the protrusion support end 3a of two sides, and 3b arranges; Wherein protrude support end 3a, between 3b, form respectively transfusion runner 8a, 8b, and corresponding with above-mentioned inlet 1b, liquid outlet 2b respectively; During transfusion, liquid is by flow passage, if when air enters, bubble is easily got rid of after transfusion runner 8a convolution.
In this utility model, described liquid feeding end 1a and liquid outlet 2a are all threaded.Prevent Joint's falling off, the leakage that prevents from infusing occurs.
In this utility model, described lower cover 2 inside go out in sap cavity, to be formed with fluid blocking part 6; And arrange corresponding to liquid outlet 2b, in fluid blocking part 6, be provided with a plurality of fluid through-hole 6a of going out; Liquid flows out through going out fluid through-hole 6a, and filter effect is not affected, and total is simple simultaneously, easily die sinking, and easily processing and manufacturing, processing technique is easy.
In this utility model, described upper cover 1 and lower cover 2 adopt transparent ABS material to make, and its intensity is good; Air-filtering membrane adopts PTFE+ non-woven fabrics to make; What air-filtering membrane required is hydrophobicity, so air-filtering membrane 111d adopts PTFE+ non-woven fabrics to make, so its object is good at hydrophobicity; Hydrophobicity (being exactly to have soaked with liquid also can reach the object of filtered air).
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use this utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, this utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. a precise filtering bag type transfusion device, comprise bottle plug puncture unit (101), actuator A(102), actuator B(110), separatory bag (103), dropping funnel (104), accurate filter (105) and transfusion needle (106), bottle plug puncture unit (101) is connected with separatory bag (103) by conduit, actuator (102) is set on this conduit, bottle plug puncture unit (101) is bonding with exhaustor (107), exhaustor (107) is bonding with air filter (108), separatory bag (103) is upper by bonding catheter soft seat helmet (109), between dropping funnel (104) and accurate filter (105), by conduit, be connected, actuator B(110 is set) on this conduit, it is characterized in that:
Described accurate filter (105) comprises upper cover (1) and lower cover (2), between upper cover (1) and lower cover (2), be buckled into sealed cavity, wherein between upper cover (1) and lower cover (2), filter membrane is set, and be divided into admission chamber and go out sap cavity, described upper cover (1) is provided with the liquid feeding end (1a) communicating with admission chamber, and described lower cover (2) is provided with and the liquid outlet (2a) that goes out sap cavity and communicate;
Described liquid feeding end (1a) is connected as a single entity with upper cover (1), and described drain pipe (2a) is connected as a single entity with lower cover (2), and wherein liquid feeding end (1a), drain pipe (2a) are respectively to having inlet (1b), liquid outlet (2b);
The medial wall (1c) of described upper cover (1) is formed with groove (4), this groove (4) middle part is provided with steam vent (4a), welding air-filtering membrane (7) in described groove (4), described upper cover (1) and lower cover (2) medial wall (1c, 2c) be provided with the filter membrane protrusion support end (3a, 3b) that is horizontal stripe shape; Filter membrane arranges by the protrusion support end (3a, 3b) of two sides; Wherein protrude and between support end (3a, 3b), form respectively transfusion runner (8a, 8b), and (2b) is corresponding with above-mentioned inlet (1b), liquid outlet respectively.
2. precise filtering bag type transfusion device according to claim 1, is characterized in that: in described groove (4), be also provided with a round collar (5), and by this circle collar (5), realize the location of air-filtering membrane (7).
3. precise filtering bag type transfusion device according to claim 1, is characterized in that: described liquid feeding end (1a) and liquid outlet (2a) are all threaded.
4. precise filtering bag type transfusion device according to claim 1, is characterized in that: described lower cover (2) inside goes out in sap cavity, to be formed with fluid blocking part (6); And arrange corresponding to liquid outlet (2b), in fluid blocking part (6), be provided with a plurality of fluid through-holes (6a) that go out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320616000.5U CN203493987U (en) | 2013-10-08 | 2013-10-08 | Precise filtration bag-type infusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320616000.5U CN203493987U (en) | 2013-10-08 | 2013-10-08 | Precise filtration bag-type infusion device |
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| Publication Number | Publication Date |
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| CN203493987U true CN203493987U (en) | 2014-03-26 |
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| CN201320616000.5U Expired - Fee Related CN203493987U (en) | 2013-10-08 | 2013-10-08 | Precise filtration bag-type infusion device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043189A (en) * | 2014-06-19 | 2014-09-17 | 昆山韦睿医疗科技有限公司 | Connector structure for welding water stopping membrane and negative pressure wound therapeutic apparatus |
| CN108495610A (en) * | 2016-01-22 | 2018-09-04 | 巴克斯特国际公司 | Sterile solution product bag |
| CN109157710A (en) * | 2018-09-27 | 2019-01-08 | 浙江新德意医疗科技股份有限公司 | A kind of precision liquid medicine filter |
| US11021275B2 (en) | 2016-01-22 | 2021-06-01 | Baxter International Inc. | Method and machine for producing sterile solution product bags |
-
2013
- 2013-10-08 CN CN201320616000.5U patent/CN203493987U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043189A (en) * | 2014-06-19 | 2014-09-17 | 昆山韦睿医疗科技有限公司 | Connector structure for welding water stopping membrane and negative pressure wound therapeutic apparatus |
| CN104043189B (en) * | 2014-06-19 | 2016-08-24 | 昆山韦睿医疗科技有限公司 | A kind of welding blocks water the interface structure of film and negative pressure wound therapy instrument |
| CN108495610A (en) * | 2016-01-22 | 2018-09-04 | 巴克斯特国际公司 | Sterile solution product bag |
| CN108495610B (en) * | 2016-01-22 | 2021-03-12 | 巴克斯特国际公司 | Sterile solution product bag |
| US11021275B2 (en) | 2016-01-22 | 2021-06-01 | Baxter International Inc. | Method and machine for producing sterile solution product bags |
| US11564867B2 (en) | 2016-01-22 | 2023-01-31 | Baxter International Inc. | Sterile solutions product bag |
| US11623773B2 (en) | 2016-01-22 | 2023-04-11 | Baxter International Inc. | Method and machine for producing sterile solution product bags |
| CN109157710A (en) * | 2018-09-27 | 2019-01-08 | 浙江新德意医疗科技股份有限公司 | A kind of precision liquid medicine filter |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20211008 |
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| CF01 | Termination of patent right due to non-payment of annual fee |