CN202724381U - Disposable anti-backflow double-head transfusion device - Google Patents
Disposable anti-backflow double-head transfusion device Download PDFInfo
- Publication number
- CN202724381U CN202724381U CN 201220371115 CN201220371115U CN202724381U CN 202724381 U CN202724381 U CN 202724381U CN 201220371115 CN201220371115 CN 201220371115 CN 201220371115 U CN201220371115 U CN 201220371115U CN 202724381 U CN202724381 U CN 202724381U
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- dropping funnel
- disposable use
- use anti
- backflow
- head
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Abstract
The utility model provides a disposable anti-backflow double-head transfusion device and belongs to the field of medical apparatus and instruments. The disposable anti-backflow double-head transfusion device comprises a dripping hopper (5), the upper end of the dripping hopper (5) is connected with two flexible pipes (2) through a dripping hopper cover (4), water stop switches (3) are arranged in the two flexible pipes (2), the end portions of the two flexible pipes (2) are connected with a bottle plug puncturing device (1), and an air filter (6) is arranged on one side of the bottle plug puncturing device (1). The lower end of the dripping hopper (5) is connected with a flow adjustor (7), a solution filter (8) and an intravenous infusion needle (9) in sequence through a transfusion pipe. The disposable anti-backflow double-head transfusion device is characterized in that an anti-backflow device which can float up and down with liquid is arranged inside the dripping hopper (5), and the anti-backflow device is composed of a buoy (12) and a silica gel pad (13) which are inserted into a whole. The disposable anti-backflow double-head transfusion device is convenient to use, good in anti-backflow effect, high in sensitivity, and capable of preventing air and other impurities from entering into the disposable anti-backflow double-head transfusion device and simplifying a structure of the transfusion device.
Description
Technical field
Disposable use anti-return Dual-head infusion device belongs to the medical apparatus and instruments field, is specifically related to a kind of disposable anti-return double end infusion set.
Background technology
Transfusion device is widely used in medical field as conventional medical apparatus and instruments, be mainly used in venous transfusion, the transfusion device that Hospitals at Present and hygiene department use mostly is the single channel transfusion device, in clinical position, tend to run into a client need simultaneously infusion or application multi-medicament, some medicines can be added together infusion, and some medicines can not be placed on instillation in one bottle of liquid; Or the medicine that has needs fast drip, and some medicines then need to instil very slowly, therefore relies on single pass transfusion device to be difficult to finish, and Dual-head infusion device just arises at the historic moment; Yet, the birth of Dual-head infusion device has made things convenient for the doctor, but easily cause because of carelessness liquid be totally lost after as untimelyly pull out the appearance that intravenous needle is easy to cause the blood backflow situation, its height hazardness has consisted of serious threat to the people's life, although some research worker and research institution have developed some this type of backflow preventive transfusion apparatus or device in succession at present, but all because of the defective that has design, and fail effectively to realize the effect of anti-return, although some products have reached the effect that anti-return uses, but product structure is complicated, cost is high, production efficiency is low, is not suitable for large-scale popularization and batch production.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, a kind of effective anti-return, disposable use anti-return Dual-head infusion device safe, simple in structure simple to operate are provided.
The technical scheme that its technical problem that solves this utility model adopts is: this disposable use anti-return Dual-head infusion device comprises dropping funnel, the dropping funnel upper end connects two flexible pipes by the dropping funnel lid, article two, be equipped with water in the flexible pipe and end switch, the hose end place all connects the bottle stopper puncture device, bottle stopper puncture device one side is provided with air filter, the dropping funnel lower end is by tube for transfusion successively connection traffic actuator, liquid medicine filter and venoclysis needle, it is characterized in that: the back-flow preventer that the inner installation of described dropping funnel can fluctuate with liquid, back-flow preventer comprises buoy and the silicagel pad that is plugged to up and down one.In the infusion process, on the medicinal liquid plane of floatation suspension in dropping funnel of buoy because of medicinal liquid, infusion-completed relies on the gravity silicagel pad of self to contact with dropping funnel bottom arc surface, and pipeline is sealed.
The whole longitudinal section of described buoy is the font of falling the mountain, comprises top cover and plunger, and top cover is the housing that the longitudinal section is undercut shape, and plunger top is fixedly connected on the center of top cover end face.Buoy adopts two parts to peg graft and forms, and batch production is convenient in processing and the assembling of convenient scattered parts; And top cover adopts the inner structure that hollows out, and is more convenient for alleviating the weight of buoy itself, when liquid level raises, in time rises with liquid level, and is highly sensitive.
The area of described top cover horizontal top surface is greater than the bore of the inlet on dropping funnel top.
Uniform many fins that vertically arrange on the described top cover outer circle wall.The fin that evenly arranges is for increasing the component of top cover border, so that buoy can keep level floating following liquid level when floating, can steadily fall in dropping process to guarantee it, guarantees good sealing effectiveness.
Described silicagel pad is a thin rounded flakes, and the hollow cylinder that vertically connects by top is socketed in the plunger lower end, and the thin rounded flakes area is greater than the bore of dropping funnel bottom liquid outlet.
Be connected for close-fitting between described plunger and the silicagel pad.
Described air filter comprises block water film and filter plug, have circular hole on the tube wall of bottle stopper puncture device below, round boss that has through hole of circular hole arranged outside, through hole is connected with circular hole, be provided with circular film and the film that blocks water of blocking water in the through hole and get lodged in the circular hole outside, the through hole outside is plugged with filter plug and filter plug withstands on film one side that blocks water.Can prevent that antibacterial from entering, and simplify the structure of transfusion device.
Described dropping funnel covers in dropping funnel upper end, and dropping funnel covers and is provided with two inlet openings, each inlet opening all and soft pipe connection, the design of two inlet openings has guaranteed that transfusion device realizes the double end transfusion.
Compared with prior art, the beneficial effect that has of this utility model is:
1, simple in structure, easy to use: as all to adopt the Dispoable medical plastic production, the buoy activity of setting up be installed in dropping funnel inside, the transfusion device that efficiently solves traditional structure can't be realized the safe and effective problem that prevents blood backflow, have simultaneously simple in structure, easy for operation, safe, etc. advantage, improved the safety in utilization of transfusion device, can effectively prevent and avoid blood backflow phenomenon in the infusion process, thereby reduce the difficulty of nursery work;
2, anti-return is effective, highly sensitive: buoy adopts two parts to peg graft and forms, and has realized automatic assembling, processing and the assembling of convenient scattered parts, and the part accessory can greatly be enhanced productivity and is convenient to batch production; The fin that evenly arranges is for increasing the component of top cover border, so that buoy can keep level floating following liquid level when floating, can steadily fall in dropping process to guarantee it, further guarantees good sealing effectiveness.And top cover adopts the inner structure that hollows out, and is more convenient for alleviating the weight of buoy itself, when liquid level raises, in time rises with liquid level, and is highly sensitive;
3, air filter substitutes traditional air filter by block water film and filter plug of setting, can prevent that air and other impurity from entering, and simplify the structure of transfusion device.
Description of drawings
Fig. 1 is this utility model front view schematic diagram.
Fig. 2 is the local amplification view of A part of Fig. 1.
Fig. 3 is the local amplification view of B part of Fig. 1.
Wherein: 1, bottle stopper puncture device 2, flexible pipe 3, water end switch 4, dropping funnel lid 5, dropping funnel 6, air filter 7, flow regulator 8, liquid medicine filter 9, venoclysis needle 10, the film 11 that blocks water, filter plug 12, buoy 13, silicagel pad 14, top cover 15, plunger 16, inlet 17, liquid outlet 18, fin 19, circular hole 20, inner arc surface.
The specific embodiment
Fig. 1 ~ 3rd, most preferred embodiment of the present utility model is described further below in conjunction with 1 ~ 3 pair of this utility model of accompanying drawing.
With reference to accompanying drawing 1 ~ 3: this disposable use anti-return Dual-head infusion device comprises dropping funnel 5, dropping funnel lid 4 is stamped in dropping funnel 5 upper ends, dropping funnel covers 4 upper ends and is provided with two inlet openings, and each inlet opening all is communicated with flexible pipe 2, and the design of two inlet openings has guaranteed the transfusion of transfusion device realization double end.Article two, be equipped with water in the flexible pipe 2 and end switch 3, flexible pipe 2 ends all connect bottle stopper puncture device 1, and bottle stopper puncture device 1 one sides are provided with air filter 6, and dropping funnel 5 lower ends are by tube for transfusion successively connection traffic actuator 7, liquid medicine filter 8 and venoclysis needle 9.The back-flow preventer that dropping funnel 5 inner installations can fluctuate with liquid.
Back-flow preventer comprises buoy 12 and the silicagel pad 13 that is plugged to up and down one.Buoy 12 adopts two parts to peg graft and forms, processing and the assembling of convenient scattered parts, be convenient to batch production; buoy 12 whole longitudinal sections are the font of falling the mountain; comprise top cover 14 and plunger 15; top cover 14 is the housing of undercut shape for the longitudinal section, and plunger 15 tops are fixedly connected on the center of top cover 14 end faces.The area of top cover 14 horizontal top surface is greater than the bore of the inlet 16 on dropping funnel 5 tops, and uniform many fins 18 that vertically arrange on top cover 14 outer circle walls.Silicagel pad 13 is a circular mat, and the hollow cylinder that vertically connects by top is socketed in plunger 15 lower ends, and circular pad area is greater than the bore of dropping funnel 5 bottom liquid outlets 17, is connected for close-fitting between plunger 15 and the silicagel pad 13.
In the infusion process, on the medicinal liquid plane of floatation suspension in dropping funnel 5 of buoy 12 because of medicinal liquid, infusion-completed relies on the gravity silicagel pad 13 of self to contact with dropping funnel 5 bottom inner arc surfaces 20, and pipeline is sealed.
Work process is as follows: this utility model is when work, carry out venous transfusion by traditional transfusion device infusion method to the patient, in infusion process, because having medicinal liquid in the dropping funnel 5, back-flow preventer is suspended on the medicinal liquid horizontal plane in the dropping funnel 5, medicinal liquid can slowly enter patient's vein by bottle stopper puncture device 1, flexible pipe 2, dropping funnel 5, flow regulator 7, liquid medicine filter 8 and venoclysis needle 9 swimmingly under the effect of atmospheric pressure; When the medicinal liquid infused, medicinal liquid in the dropping funnel 5 flows sky gradually, back-flow preventer is because of the action of gravity of self, gently following the decline of liquid level falls to dropping funnel 5 bottoms, silicagel pad 13 bottom surfaces of back-flow preventer bottom fully contact with the inner arc surface 20 of dropping funnel 5 inner bottom parts, block liquid outlet 17 fully, block the liquid communication of the carrier pipe of dropping funnel 5 lower ends with this, thereby thoroughly seal infusion pipeline, fast and effeciently avoid the generation of blood backflow phenomenon, improve the safety of using, reduced the difficulty of nursery work.
The above, it only is preferred embodiment of the present utility model, be not to be the restriction of this utility model being made other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment does, still belongs to the protection domain of technical solutions of the utility model according to technical spirit of the present utility model.
Claims (8)
1. disposable use anti-return Dual-head infusion device, comprise dropping funnel (5), dropping funnel (5) upper end connects two flexible pipes (2) by dropping funnel lid (4), article two, be equipped with water in the flexible pipe (2) and end switch (3), flexible pipe (2) end all connects bottle stopper puncture device (1), bottle stopper puncture device (1) one side is provided with air filter (6), dropping funnel (5) lower end is by tube for transfusion successively connection traffic actuator (7), liquid medicine filter (8) and venoclysis needle (9), it is characterized in that: the back-flow preventer that the inner installation of described dropping funnel (5) can fluctuate with liquid, back-flow preventer comprises buoy (12) and the silicagel pad (13) that is plugged to up and down one.
2. disposable use anti-return Dual-head infusion device according to claim 1, it is characterized in that: the whole longitudinal section of described buoy (12) is the font of falling the mountain, comprise top cover (14) and plunger (15), top cover (14) is the housing of undercut shape for the longitudinal section, plunger (15) top is fixedly connected on the center of top cover (14) end face.
3. disposable use anti-return Dual-head infusion device according to claim 2, it is characterized in that: the area of described top cover (14) horizontal top surface is greater than the bore of the inlet (16) on dropping funnel (5) top.
4. disposable use anti-return Dual-head infusion device according to claim 2 is characterized in that: uniform many fins (18) that vertically arrange on described top cover (14) outer circle wall.
5. disposable use anti-return Dual-head infusion device according to claim 1, it is characterized in that: described silicagel pad (13) is a thin rounded flakes, the hollow cylinder that vertically connects by top is socketed in plunger (15) lower end, and the thin rounded flakes area is greater than the bore of dropping funnel (5) bottom liquid outlet (17).
6. it is characterized in that according to claim 2 or 5 each described disposable use anti-return Dual-head infusion devices: be connected for close-fitting between described plunger (15) and the silicagel pad (13).
7. disposable use anti-return Dual-head infusion device according to claim 1, it is characterized in that: described air filter (6) comprises the film that blocks water (10) and filter plug (11), have circular hole (19) on the tube wall of bottle stopper puncture device (1) below, round boss that has through hole of circular hole (19) arranged outside, through hole is connected with circular hole (19), be provided with the circular film that blocks water (10) and the film that blocks water (10) in the through hole and get lodged in circular hole (19) outside, the through hole outside is plugged with filter plug (11) and filter plug (11) withstands on film (10) one sides that block water.
8. disposable use anti-return Dual-head infusion device according to claim 1 is characterized in that: described dropping funnel lid (4) covers in dropping funnel (5) upper end, and dropping funnel lid (4) is provided with two inlet openings, and each inlet opening all is communicated with flexible pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220371115 CN202724381U (en) | 2012-07-30 | 2012-07-30 | Disposable anti-backflow double-head transfusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220371115 CN202724381U (en) | 2012-07-30 | 2012-07-30 | Disposable anti-backflow double-head transfusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202724381U true CN202724381U (en) | 2013-02-13 |
Family
ID=47650138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220371115 Expired - Lifetime CN202724381U (en) | 2012-07-30 | 2012-07-30 | Disposable anti-backflow double-head transfusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202724381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113559346A (en) * | 2021-07-14 | 2021-10-29 | 舒管先 | Hanging automatic cut-off bottle head |
-
2012
- 2012-07-30 CN CN 201220371115 patent/CN202724381U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113559346A (en) * | 2021-07-14 | 2021-10-29 | 舒管先 | Hanging automatic cut-off bottle head |
| CN113559346B (en) * | 2021-07-14 | 2023-05-05 | 舒管先 | Hanging type automatic shutoff bottle head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20170822 Granted publication date: 20130213 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20200822 Granted publication date: 20130213 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |