CN203493988U - Precise filtration bag type infusion set with automatic exhaust function - Google Patents
Precise filtration bag type infusion set with automatic exhaust function Download PDFInfo
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- CN203493988U CN203493988U CN201320616154.4U CN201320616154U CN203493988U CN 203493988 U CN203493988 U CN 203493988U CN 201320616154 U CN201320616154 U CN 201320616154U CN 203493988 U CN203493988 U CN 203493988U
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- dropping funnel
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Abstract
The utility model discloses a precise filtration bag type infusion set with the automatic exhaust function. The precise filtration bag type infusion set comprises a bottle stopper puncture device, an adjuster A, an adjuster B, an infusion bag, a drip chamber, a precise filter and an infusion needle. The precise filtration bag type infusion set is characterized in that the drip chamber comprises a drip chamber body, a drip chamber upper cover and a base; a liquid inlet pipe extends into the drip chamber body, an air exhaust part is positioned on the drip chamber upper cover, and an air filtration film is fixed into the air exhaust part. 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 vent is formed in the middle of the groove, an air filtration film is welded into the groove, a round retainer ring can be additionally arranged in the groove, and therefore the air filtration film can be further fixed and positioned. In the infusion process, the purposes of exhaust and precise filtration can be easily achieved, compared with traditional products, the precise filtration bag type infusion set is simple in structure and convenient to use, the automatic exhaust function can be easily achieved through the drip chamber, the air filtration film inside the precise filter can be prevented from falling in the use process, and the matched position of the infusion needle and the precise filter can be effectively prevented from being loosened and disengaged.
Description
Technical field
This utility model relates to the transfusion device in a kind of medical instruments field, is specifically a kind ofly by improvement, to make it possess self-bleeding automatic vent precise filtering bag type transfusion device.
Background technology
The infusion products being applied in medical treatment has general infusion set, bag transfusion system, precise filtering bag type transfusion device etc. conventionally; Precise filtering bag type transfusion device is widely used in medical industry, and consumption is large, uses extensively; In infusion process, can often have Bubble formation, so medical personnel need the situation of checking transfusion of variable interval, prevent air to input in patient body, work the mischief.
Yet dropping funnel is one of composition of transfusion device, traditional dropping funnel for transfusion device as shown in Figure 1, upper end is feed liquor, lower end is fluid, not much else, do not possess degassing function, if also can only discharge by other means after having Bubble formation, the part therefore the use of this kind of transfusion device comes with some shortcomings.
Yet precise filtering bag type transfusion device, refers to a kind of 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 particulate matter.Be mainly used in preventing the various bad infusion reaction that in clinical transfusion, particulate matter causes.
As can be seen here, so no matter to that transfusion device, it is very important having from aerofluxus, for precise filtering bag type transfusion device, be also like this, accurate filter inside is provided with special-purpose medicaments filter membrane, therefore possesses secondary filter ability, some accurate filters also possess exhaust capacity, in this kind of accurate filter, common air-filtering membrane (hydrophobic membrane) is all arranged on inner walls, for contacting 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; there is trouble in the manufacturing; die sinking difficulty can increase, and processing technique also can be thereupon 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 automatic vent precise filtering bag type transfusion device, compare with traditional product, in the time of transfusion, can easily reach the object of automatic vent and secondary filter, itself is simple in structure, easy to use, not only by dropping funnel energy automatic vent, and for accurate filter, also can reach can automatic vent object, can also prevent its inner air filter membrane coming off in use simultaneously.
This utility model is to realize like this, construct a kind of automatic vent precise filtering bag type transfusion device, comprise bottle plug puncture unit, actuator A, actuator B, transfusion bag, dropping funnel, accurate filter and transfusion needle, bottle plug puncture unit is connected with transfusion bag by conduit, on this conduit, actuator is set, and bottle plug puncture unit and exhaustor are bonding, exhaustor and air filter are bonding, between dropping funnel and accurate filter, by conduit, be connected, described actuator B be set on this conduit, it is characterized in that:
Described dropping funnel comprises dropping funnel body, dropping funnel upper cover and base, covers the bonding feed tube through transfusion bag on described, and feed tube also stretches in dropping funnel body, the bonding drain pipe in base below,
Also comprise air-discharging parts, air-discharging parts are positioned on dropping funnel and cover, and air-discharging components interior is provided with air-filtering membrane A; Dropping funnel body bottom internal diameter is less than top internal diameter, and described feed tube stretches into the dropping funnel inwall of dropping funnel body and close dropping funnel body from upper cover edge portion;
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 B in described groove.
According to automatic vent 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 automatic vent precise filtering bag type transfusion device described in the utility model, it is characterized in that: described upper cover and lower cover medial wall 01c, 02c are provided with filter membrane protrusion support end 03a, the 03b that is horizontal stripe shape; Filter membrane arranges by protrusion support end 03a, the 03b of two sides; Wherein protrude and between support end 03a, 03b, form respectively transfusion runner 08a, 08b, and corresponding with above-mentioned inlet, liquid outlet respectively.
According to automatic vent 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 automatic vent 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.
According to automatic vent precise filtering bag type transfusion device described in the utility model, it is characterized in that: on described dropping funnel, covering to increase has dosing mouth, and is provided with outer cap.
The utility model has the advantage of: automatic vent 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 other products, 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.And can easily reach self-bleeding object, dropping funnel and accurate filter all can be able to be discharged air in time during transfusion, prevent air to input in patient body and produce harm.
In this utility model, in described accurate filter, 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, in groove, weld air-filtering membrane A, can solve in use caducous problem of air-filtering membrane A, in addition, can in described groove, also have additional a round collar, and the further location of realizing air-filtering membrane by this circle collar; Due to accurate filter is improved, so the proud raising of bag transfusion system overall performance.
(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 the convolution of transfusion runner.
(3): in this utility model, described liquid feeding end and liquid outlet 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, for medicinal liquid, flow out; Filter effect is not affected, and simultaneously total is simple, for the easy die sinking of single accurate filter, processing and manufacturing is simple, technological process is easy.
(5) this utility model improves dropping funnel, comprises dropping funnel body, dropping funnel upper cover and base, covers on described and is provided with feed tube, and feed tube also stretches in dropping funnel body, and base below is provided with drain pipe; Also comprise air-discharging parts, different from other like products is, and air-discharging parts are positioned on dropping funnel covers, and air-discharging components interior is provided with air-filtering membrane (hydrophobic membrane); Dropping funnel body bottom internal diameter is less than top internal diameter, therefore through after improving, during transfusion, liquid enters from feed tube, if the words that bubble exists, bubble is after being input into, gas forms convolution in dropping funnel, finally through being positioned at the air-discharging parts that cover on dropping funnel, discharges, therefore be more prone to be excluded through bubble after improving, strengthened the probability that bubble is discharged, its transfusion device overall performance is promoted.
(6) compare with existing other dropping funnels, this product, from structure, comprises dropping funnel body, dropping funnel upper cover and base, feed tube, drain pipe, and air-discharging parts; Manufacture die sinking in period in early stage easy, processing process is simple, and processing cost is lower, even if also can complete the batch production of transfusion device in the short time.
(7) increase of described dropping funnel upper cover has dosing mouth, and is provided with outer cap; Can from dropping funnel, add medicament according to actual needs.
Accompanying drawing explanation
Fig. 1 is existing dropping funnel schematic diagram
Fig. 2 is overall structure schematic diagram described in the utility model
Fig. 3 a is that automatic vent dropping funnel described in the utility model is implemented 1 schematic diagram
Fig. 3 b is that automatic vent dropping funnel described in the utility model is implemented 2 schematic diagrams
Fig. 4 is accurate filter structural representation described in the utility model
Fig. 5-6th, upper cover schematic diagram described in the utility model
Fig. 7 is this utility model lower cover schematic diagram
Fig. 8 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, transfusion bag, 104, dropping funnel, 105, accurate filter, 106, transfusion needle, 107, exhaustor, 108, air filter, 109, soft seat helmet, 110, actuator B
41, dropping funnel body, 42, dropping funnel upper cover, 43, base, 43a, drain pipe, 44, feed tube, 45, air-discharging parts, 4
5a, air-filtering membrane A, 46, dosing mouth, 47, outer cap,
51, upper cover, 51a, liquid feeding end, 51b, inlet, the medial wall of 51c, upper cover; 52, lower cover, 52a, liquid outlet; 52b, liquid outlet, the medial wall of 52c, lower cover; 53a, 53b, protrudes support end, and 54, groove, 54a, steam vent, 55, circle collar, 56, fluid blocking part; 56a, go out fluid through-hole; 57, air-filtering membrane B, 58a, 58b, transfusion runner.
The specific embodiment
Below in conjunction with accompanying drawing, 1-8 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 the figure, this utility model provides a kind of automatic vent precise filtering bag type transfusion device at this, comprises bottle plug puncture unit 101, actuator 102, actuator B110, transfusion 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 transfusion 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; In transfusion 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.
Described dropping funnel 104 comprises dropping funnel body 41, dropping funnel upper cover 42 and base 43, bonding feed tube 44 on described dropping funnel upper cover 42, feed tube 44 also stretches in dropping funnel body 41, the base 43 bonding drain pipe 43a in below, also comprise air-discharging parts 45, air-discharging parts 45 are positioned on dropping funnel upper cover 42, and air-discharging parts 45 inside are provided with air-filtering membrane A45a; Dropping funnel body 41 bottom internal diameters are less than top internal diameter.
Different from other like products is that air-discharging parts 45 are positioned on dropping funnel upper cover 42, and air-discharging parts 45 inside are provided with air-filtering membrane A45a(hydrophobic membrane); Dropping funnel body 41 bottom internal diameters are less than top internal diameter, after improving, during transfusion, liquid enters from feed tube 44, bubble forms convolution in dropping funnel, finally through the air-discharging parts 45 that are positioned on dropping funnel upper cover 42, discharges, therefore be more prone to be excluded through bubble after improving, strengthened the probability that bubble is discharged, its bag transfusion system overall performance is promoted.And compare with existing other dropping funnels, this product, from structure, comprises dropping funnel body 41, dropping funnel upper cover 42 and base 43, feed tube 44, drain pipe 43a, and air-discharging parts 45; The die sinking of manufacturing period in early stage is easy, and work flow is simple, in the short time, can complete batch production.
On described upper cover 42, increase and have dosing mouth 46, and be provided with outer cap 47; Can add according to actual needs medicament.
The medial wall 51c of described upper cover 51 is formed with groove 54, and these groove 54 middle parts are provided with steam vent 54a, at the interior welding of groove 54 (ultra-sonic welded) air-filtering membrane B57, can solve and prevent air-filtering membrane coming off in use; Can also in described groove 54, have additional a round collar 55, and the location of further realizing air-filtering membrane by this circle collar 55.
By after improving, can solve and prevent air-filtering membrane coming off in use, thereby make the performance of accurate filter unaffected, improved the performance of whole bag transfusion system.
Described upper cover 51 and lower cover 52 medial wall 51c, 52c are provided with filter membrane protrusion support end 53a, the 53b that is horizontal stripe shape; Filter membrane arranges by protrusion support end 53a, the 53b of two sides; Wherein protrude and between support end 53a, 53b, form respectively transfusion runner 58a, 58b, and corresponding with above-mentioned inlet 51b, liquid outlet 52b respectively; During transfusion, liquid is by flow passage, if when air enters, bubble is easily got rid of after transfusion runner 58a convolution.
In this utility model, described liquid feeding end 51a and liquid outlet 52a are all threaded.Prevent Joint's falling off, the leakage that prevents from infusing occurs.
In this utility model, described lower cover 52 inside go out in sap cavity, to be formed with fluid blocking part 56; And arrange corresponding to liquid outlet 52b, in fluid blocking part 56, be provided with a plurality of fluid through-hole 56a of going out; Liquid flows out through going out fluid through-hole 56a, 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 51 and lower cover 52 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; 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 (6)
1. an automatic vent precise filtering bag type transfusion device, comprise bottle plug puncture unit (101), actuator A(102), actuator B(110), transfusion bag (103), dropping funnel (104), accurate filter (105) and transfusion needle (106), described bottle plug puncture unit (101) is connected with transfusion bag (103) by conduit, described actuator (102) is set on this conduit, described bottle plug puncture unit (101) is bonding with exhaustor (107), exhaustor (107) is bonding with air filter (108), between described dropping funnel (104) and accurate filter (105), by conduit, be connected, described actuator B(110 is set) on this conduit, it is characterized in that:
Described dropping funnel (104) comprises dropping funnel body (41), dropping funnel upper cover (42) and base (43), the upper bonding feed tube through transfusion bag (103) (44) of described dropping funnel upper cover (42), feed tube (44) also stretches in dropping funnel body (41), base (43) below bonding drain pipe (43a)
Air-discharging parts (45) are set on dropping funnel upper cover (42), and air-discharging parts (45) inside is provided with air-filtering membrane A(45a); Described dropping funnel body (41) bottom internal diameter is less than top internal diameter;
Described accurate filter (105) comprises upper cover (51) and lower cover (52), between upper cover (51) and lower cover (52), be buckled into sealed cavity, wherein between upper cover (51) and lower cover (52), filter membrane is set, and be divided into admission chamber and go out sap cavity, described upper cover (51) is provided with the liquid feeding end (51a) communicating with admission chamber, and described lower cover (52) is provided with and the liquid outlet (52a) that goes out sap cavity and communicate;
Described liquid feeding end (51a) is connected as a single entity with upper cover (51), and described drain pipe (52a) is connected as a single entity with lower cover (52), and wherein liquid feeding end (51a), drain pipe (52a) are respectively to having inlet (51b), liquid outlet (52b);
The medial wall (51c) of described upper cover (51) is formed with groove (54), and this groove (54) middle part arranges steam vent (54a), welding air-filtering membrane B(57 in described groove (54)).
2. automatic vent precise filtering bag type transfusion device according to claim 1, is characterized in that: in described groove (54), be also provided with a round collar (55), and by this circle collar (55), realize the location of air-filtering membrane (57).
3. automatic vent precise filtering bag type transfusion device according to claim 1, is characterized in that: described upper cover (51) and lower cover (52) medial walls (51c, 52c) are provided with the filter membrane protrusion support end (53a, 53b) that is horizontal stripe shape; Filter membrane arranges by the protrusion support end (53a, 53b) of two sides; Wherein protrude and between support end (53a, 53b), form respectively transfusion runner (58a, 58b), and (52b) is corresponding with above-mentioned inlet (51b), liquid outlet respectively.
4. automatic vent precise filtering bag type transfusion device according to claim 1, is characterized in that: described liquid feeding end (51a) and liquid outlet (52a) are all threaded.
5. automatic vent precise filtering bag type transfusion device according to claim 1, is characterized in that: described lower cover (52) inside goes out in sap cavity, to be formed with fluid blocking part (56); And arrange corresponding to liquid outlet (52b), in fluid blocking part (56), be provided with a plurality of fluid through-holes (56a) that go out.
6. automatic vent precise filtering bag type transfusion device according to claim 1, is characterized in that: upper the increasing of described dropping funnel upper cover (42) has dosing mouth (46), and is provided with outer cap (47).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320616154.4U CN203493988U (en) | 2013-10-08 | 2013-10-08 | Precise filtration bag type infusion set with automatic exhaust function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320616154.4U CN203493988U (en) | 2013-10-08 | 2013-10-08 | Precise filtration bag type infusion set with automatic exhaust function |
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| Publication Number | Publication Date |
|---|---|
| CN203493988U true CN203493988U (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320616154.4U Expired - Fee Related CN203493988U (en) | 2013-10-08 | 2013-10-08 | Precise filtration bag type infusion set with automatic exhaust function |
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| Country | Link |
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| CN (1) | CN203493988U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109305711A (en) * | 2018-12-06 | 2019-02-05 | 中国科学院长春光学精密机械与物理研究所 | A kind of bubble trap |
| CN114870166A (en) * | 2016-08-31 | 2022-08-09 | 广东龙心医疗器械有限公司 | Exhaust joint |
-
2013
- 2013-10-08 CN CN201320616154.4U patent/CN203493988U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114870166A (en) * | 2016-08-31 | 2022-08-09 | 广东龙心医疗器械有限公司 | Exhaust joint |
| CN114870166B (en) * | 2016-08-31 | 2023-06-20 | 广东龙心医疗器械有限公司 | Exhaust joint |
| CN109305711A (en) * | 2018-12-06 | 2019-02-05 | 中国科学院长春光学精密机械与物理研究所 | A kind of bubble trap |
| CN109305711B (en) * | 2018-12-06 | 2021-04-13 | 中国科学院长春光学精密机械与物理研究所 | Bubble remover |
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Granted publication date: 20140326 Termination date: 20211008 |
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