CN203090118U - Safety transfusion control valve and transfusion device with same - Google Patents
Safety transfusion control valve and transfusion device with same Download PDFInfo
- Publication number
- CN203090118U CN203090118U CN 201220595796 CN201220595796U CN203090118U CN 203090118 U CN203090118 U CN 203090118U CN 201220595796 CN201220595796 CN 201220595796 CN 201220595796 U CN201220595796 U CN 201220595796U CN 203090118 U CN203090118 U CN 203090118U
- Authority
- CN
- China
- Prior art keywords
- ebonite
- valve body
- dropping funnel
- control valve
- valve seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a safety transfusion control valve and a transfusion device with the same. The safety transfusion control valve comprises a circular film, and is characterized by also comprising a hard plastic valve body and a hard plastic valve seat, wherein the hard plastic valve body is a cylindrical body; the hard plastic valve seat is a cylindrical body with an opening on one end, a closed end of the hard plastic valve seat is provided with a circular hole, and the diameter of the circular hole is smaller than the diameter of the film; the film is placed on the closed end of the hard plastic valve seat; one end of the hard plastic valve body stretches into the opening end of the hard plastic valve seat and props against the film, and the outer side wall of the hard plastic valve body is axially matched with the inner side wall of the hard plastic valve seat. In the prior art, because of light weight, a floating sheet is easy to overturn or deviate in the movement process, a liquid discharging port of a transfusion hopper cannot be well sealed, so that the safety transfusion control valve capable of more easily sealing the liquid discharging port of the transfusion hopper and the transfusion device with the same are provided.
Description
Technical field
This utility model relates to a kind of safe infusion point drip apparatus, particularly relates to a kind of safe infusion control valve and has the some drip apparatus of this safe infusion control valve.
Background technology
In the prior art, blood refluxed or the air admission blood vessel after medicinal liquid dripped off when preventing clinical transfusion, usually use burette transfusion device with automatic flow-stop device, when liquid flows to end, the automatic flow-stop device sinks along with the decline of liquid level, thereby realize automatic airtight and fluid stopping, reach the purpose that prevents air admission human body or backflow of blood.
Chinese patent literature CN201701581U discloses a kind of floating chip automatic flow-stop burette transfusion device, comprise the medicated bag puncture needle, the medicated bag puncture needle is communicated with body, the bottom of body is communicated with burette, burette is communicated with venoclysis needle, it is characterized in that: the bottom of described body has the cylindrical shell lower cover, covers under the described cylindrical shell to have the connecting pipe that is communicated with burette, described connecting pipe is positioned at the intravital part of pipe and forms boss, and having in the described body can be with the floating sheet of connecting pipe sealing.I.e. floating chip automatic flow-stop burette transfusion device in this patent documentation, having in its body can be with the floating sheet (being the safe infusion control valve) of connecting pipe sealing, adopt cooperating of the connecting pipe that covers under floating sheet and the cylindrical shell, when liquid level is high in the body, floating sheet floats on the liquid level, when liquid flows to end, because the suction-combining force of liquid, realize automatic airtight and fluid stopping, thereby avoided the formation air embolus to cause danger.
Employed floating sheet (being the safe infusion control valve) is prepared from by medical light material in the described floating chip automatic flow-stop burette transfusion device of above-mentioned patent documentation, and be the leaf flap, therefore floating sector-meeting is unsteady about continuous along with following of medicinal liquid, upset, skew or inclination may appear when it arrives sealing station, thereby can not be intact liquid mouth under the dropping funnel be sealed, can't reach the purpose that prevents the air admission human body, make the transfusion potential safety hazard still exist.
The utility model content
For this reason, technical problem to be solved in the utility model is that floating sheet of the prior art (being the safe infusion control valve) is too light because of weight, upset or skew take place in easily in motor process, can not well seal during sealing, and then a kind of easier safe infusion control valve that liquid mouth under the dropping funnel is sealed and the some drip apparatus with this safe infusion control valve are provided liquid mouth under the dropping funnel.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of safe infusion control valve comprises circular membrane, it is characterized in that: also comprise the ebonite valve body, be cylinder; With
The ebonite valve seat is the cylinder of an end opening, and the blind end of described ebonite valve seat has circular hole, and described Circularhole diameter is less than described thin film diameter;
Described thin film is positioned on the blind end of described ebonite valve seat;
One end of described ebonite valve body stretches into and props up described thin film from described ebonite valve seat opening, and described ebonite outer side of valve body axially cooperates with the medial wall of described ebonite valve seat.
Described ebonite valve body comprises upper valve body and following valve body, and described valve body down is a column, and described upper valve body comprises main body and connecting portion, described connecting portion one end and the described axial socket of valve body down, and the described connecting portion other end is fixedlyed connected with described main body.
Bulge loop along the oriented described ebonite valve seat opening extension of described circular hole edge shaping.
The axial section of described thin film is shaped as the U type.
Has the projection of radially extending on the described ebonite valve body.
Described projection is a column.
Have the some drip apparatus of above-mentioned safe infusion control valve, it comprises dropping funnel; And connecting pipe, being placed between described dropping funnel and the following tube for transfusion, described connecting pipe one end extends in described dropping funnel, and the described connecting pipe other end extends outside described dropping funnel with described down tube for transfusion and is connected; Described connecting pipe diameter is less than described Circularhole diameter, and described safe infusion control valve is positioned in the described dropping funnel and the liquid outlet of described connecting pipe is sealed;
Be formed with down the liquid passage between described safe infusion control valve lateral wall and the described dropping funnel medial wall.
The height of described connecting pipe extension in described dropping funnel is greater than the thickness of described ebonite valve seat blind end.
Described liquid passage down is the gap that described projection and described dropping funnel medial wall surround.
The maximum outside diameter of described projection is identical with described dropping funnel internal diameter.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) in safe infusion control valve described in the utility model, comprises circular membrane, it is characterized in that: also comprise the ebonite valve body, be cylinder; With the ebonite valve seat, be the cylinder of an end opening, the blind end of described ebonite valve seat has circular hole, and described Circularhole diameter is less than described thin film diameter; Described thin film is positioned on the blind end of described ebonite valve seat; One end of described ebonite valve body stretches into and props up described thin film from described ebonite valve seat opening, and described ebonite outer side of valve body axially cooperates with the medial wall of described ebonite valve seat; Promptly described thin film is fixed by ebonite valve body and ebonite valve seat, also just be equivalent to the safe infusion control valve is extended axially, increased the weight of safe infusion control valve, made it that upset or skew not take place in location free procedure, thereby can well seal liquid mouth under the dropping funnel.
(2) in safe infusion control valve described in the utility model, along the bulge loop that the oriented described ebonite valve seat opening of described circular hole edge shaping extends, the blind end of described bulge loop, described ebonite valve seat and the opening inwall of described ebonite valve seat form U type groove jointly; The axial section of described thin film is shaped as the U type, and therefore, the sidewall of described thin film snaps in the described U type groove, even if described thin film external diameter is littler than described opening internal diameter, described thin film also can become inverted U firmly to be placed on the blind end of described ebonite valve seat.
(3) at the some drip apparatus with above-mentioned safe infusion control valve described in the utility model, it comprises dropping funnel; And connecting pipe, being placed between described dropping funnel and the following tube for transfusion, described connecting pipe one end extends in described dropping funnel, and the described connecting pipe other end extends outside described dropping funnel with described down tube for transfusion and is connected; Described connecting pipe diameter is less than described Circularhole diameter, described safe infusion control valve is positioned in the described dropping funnel and the liquid outlet of described connecting pipe is sealed, and the height of described connecting pipe extension in described dropping funnel is greater than the thickness of described ebonite valve seat blind end; Therefore when splashing into medicinal liquid once more, described safe infusion control valve can not stick on down the liquid mouth and can't float automatically because of described ebonite valve seat or described circular membrane.
(4) in described in the utility model some drip apparatus, described liquid passage down is the gap that described projection and described dropping funnel medial wall surround, have radially the projection of extending on the described ebonite valve body, and described projection is column, so medicinal liquid can flow downward by described liquid passage down smoothly.
Therefore (5) in described in the utility model some drip apparatus, the maximum outside diameter of described projection is identical with described dropping funnel internal diameter, and described safe infusion control valve can run-off the straight in the process that moves downward, thereby can well seal liquid mouth under the dropping funnel.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, this utility model is described in further detail, wherein below
Fig. 1 is a safe infusion control valve cutaway view described in the utility model;
Fig. 2 is another described safe infusion control valve cutaway view of this utility model;
Fig. 3 is the explosive view of the described safe infusion control valve of Fig. 2;
Fig. 4 is a described in the utility model some drip apparatus sketch map;
Reference numeral is expressed as among the figure: the 1-thin film; 2-ebonite valve seat; 3-ebonite valve body; The 22-circular hole; The 24-bulge loop; The 30-upper valve body; The 31-main body; The 32-connecting portion; Valve body under the 33-; The 34-projection; The 4-dropping funnel; Liquid passage under the 41-; The 5-connecting pipe; 6-safe infusion control valve.
The specific embodiment
Figure 1 shows that the described safe infusion control valve of present embodiment, comprise circular membrane 1, ebonite valve body and ebonite valve seat 2; Wherein, described ebonite valve body 3 is a cylinder, and described ebonite valve seat 2 is the cylinder of an end opening, and at the blind end of ebonite valve seat 2 circular hole 22 is arranged, and described circular hole 22 diameters are less than described thin film 1 diameter; Described thin film 1 is positioned on the blind end of described ebonite valve seat 2; One end of described ebonite valve body 3 stretches into and props up described thin film 1 from described ebonite valve seat 2 openings, and the lateral wall of described ebonite valve body 3 axially cooperates with the medial wall of described ebonite valve seat 2.
On the basis of the foregoing description, described ebonite valve body 3 is set in the present embodiment comprises upper valve body 30 and following valve body 33, described valve body 33 down is a column, and described upper valve body 30 comprises main body 31 and connecting portion 32, and described connecting portion 32 1 ends and described 33 of valve bodies down socket-connect; Be provided with in the present embodiment on the described connecting portion 32 and be shaped porosely, described valve body 33 down stretches in the described connecting portion 32, and promptly described valve body 33 lateral walls down cooperate with described connecting portion 32 medial walls, and described connecting portion 32 other ends are fixedlyed connected with described main body 31.
As disposable embodiment, it is porose to be shaped on the valve body 33 under described in the present embodiment, described connecting portion 32 stretches in the described valve body 33 down, be that described valve body 33 medial walls down cooperate with described connecting portion 32 lateral walls, described valve body 33 other ends down and described ebonite valve seat 2 are connected (as shown in Figures 2 and 3).
Further, on the basis of the foregoing description, present embodiment is provided with has the projection 34 of radially extending on the described ebonite valve body 3, described projection 34 is a column, the maximum outside diameter of described projection 34 is identical with described dropping funnel 4 internal diameters, the gap that described liquid passage 41 down surrounds for described projection 34 and described dropping funnel 4 medial walls.
Figure 4 shows that the described some drip apparatus with above-mentioned described safe infusion control valve of present embodiment, it comprises dropping funnel 4 and connecting pipe 5; Wherein said connecting pipe 5 is placed between described dropping funnel 4 and the following tube for transfusion, and described connecting pipe 5 one ends extend in described dropping funnel 4, and described connecting pipe 5 other ends are connected with described tube for transfusion down outside dropping funnel 4; Described communicating pipe, diameter was less than described circular hole 22 diameters, and described safe infusion control valve is positioned in the described dropping funnel 4 and the liquid outlet of described connecting pipe is sealed.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.
Claims (10)
1. a safe infusion control valve comprises circular membrane (1), it is characterized in that: also comprise ebonite valve body (3), be cylinder; With
Ebonite valve seat (2) is the cylinder of an end opening, and the blind end of described ebonite valve seat (2) has circular hole (22), and described circular hole (22) diameter is less than described thin film (1) diameter;
Described thin film (1) is positioned on the blind end of described ebonite valve seat (2);
One end of described ebonite valve body (3) stretches into and props up described thin film (1) from described ebonite valve seat (2) opening, and the lateral wall of described ebonite valve body (3) axially cooperates with the medial wall of described ebonite valve seat (2).
2. safe infusion control valve according to claim 1, it is characterized in that: described ebonite valve body (3) comprises upper valve body (30) and following valve body (33), described valve body (33) down is a column, described upper valve body (30) comprises main body (31) and connecting portion (32), described connecting portion (32) one ends and the axially socket of described valve body (33) down, described connecting portion (32) other end is fixedlyed connected with described main body (31).
3. safe infusion control valve according to claim 1 and 2 is characterized in that: form the bulge loop (24) that extends to described ebonite valve seat (2) opening along described circular hole edge.
4. safe infusion control valve according to claim 3 is characterized in that: the axial section of described thin film (1) is shaped as the U type.
5. according to claim 1 or 2 or 4 described safe infusion control valves, it is characterized in that: have the projection (34) of radially extending on the described ebonite valve body (3).
6. safe infusion control valve according to claim 6 is characterized in that: described projection (34) is a column.
7. have the some drip apparatus of the arbitrary described safe infusion control valve of claim 1-6, it is characterized in that: it comprises dropping funnel (4); With
Connecting pipe (5) is placed between described dropping funnel (4) and the following tube for transfusion, and described connecting pipe (5) one ends extend in described dropping funnel (4), and described connecting pipe (5) other end extends outside described dropping funnel (4) with described down tube for transfusion and is connected; Described connecting pipe (5) diameter is less than described circular hole (22) diameter, and described safe infusion control valve (6) is positioned in the described dropping funnel (4) and the liquid outlet of described connecting pipe (5) is sealed;
Be formed with down liquid passage (41) between described safe infusion control valve (6) lateral wall and described dropping funnel (4) medial wall.
8. a drip apparatus according to claim 7 is characterized in that: the height of described connecting pipe (5) extension in described dropping funnel (4) is greater than the thickness of described ebonite valve seat (2) blind end.
9. a drip apparatus according to claim 8 is characterized in that: the gap that described liquid passage (41) down surrounds for described projection (34) and described dropping funnel (4) medial wall.
10. according to Claim 8 or 9 described somes drip apparatus, it is characterized in that: the maximum outside diameter of described projection (34) is identical with described dropping funnel (4) internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220595796 CN203090118U (en) | 2012-11-13 | 2012-11-13 | Safety transfusion control valve and transfusion device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220595796 CN203090118U (en) | 2012-11-13 | 2012-11-13 | Safety transfusion control valve and transfusion device with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203090118U true CN203090118U (en) | 2013-07-31 |
Family
ID=48841566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220595796 Expired - Fee Related CN203090118U (en) | 2012-11-13 | 2012-11-13 | Safety transfusion control valve and transfusion device with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203090118U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104338199A (en) * | 2014-11-19 | 2015-02-11 | 何前国 | Blood return preventing infusion device |
| TWI579010B (en) * | 2014-12-04 | 2017-04-21 | Qing-Xiang Wei | Inflatable stopper assembly for intravenous infusion metering tube |
-
2012
- 2012-11-13 CN CN 201220595796 patent/CN203090118U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104338199A (en) * | 2014-11-19 | 2015-02-11 | 何前国 | Blood return preventing infusion device |
| TWI579010B (en) * | 2014-12-04 | 2017-04-21 | Qing-Xiang Wei | Inflatable stopper assembly for intravenous infusion metering tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206621613U (en) | A kind of transfusion connector and infusion pipeline and transfusion device provided with the transfusion connector | |
| CN201211374Y (en) | Disposable safe liquor-filtration transfusion device | |
| CN203090118U (en) | Safety transfusion control valve and transfusion device with same | |
| KR200492869Y1 (en) | Drip chamber with air shut-off function | |
| CN103830795A (en) | Disposable automatic liquid stopping infusion set | |
| CN204275157U (en) | Safe burette type transfusion apparatus | |
| CN202699767U (en) | Transfusion liquid stop alarm device | |
| CN204890787U (en) | Self -bleeding who takes filter screen ends liquid secondary filter transfusion system | |
| CN102813983B (en) | Disposable self-exhausted bidirectional automatic-closing-type liquid-stop anti-blood-return transfusion device | |
| CN202198914U (en) | Infusion device with automatic closing function | |
| CN102727967B (en) | Stopping alarming device used during liquid medicine and blood transfusion | |
| CN208726417U (en) | A kind of integrated-type dropping funnel | |
| CN201094783Y (en) | Infusion device floating force deadweight type automatic needle-closing device | |
| CN204379885U (en) | A kind of Multifunctional safety transfusion system | |
| CN203355005U (en) | Novel Murphy dripper infusion device | |
| CN102068736A (en) | Novel safe infusion apparatus | |
| CN103566443B (en) | A kind of only liquid alarm device | |
| CN203090068U (en) | Drip chamber capable of automatically exhausting and stopping liquid and infusion set with drip chamber capable of automatically exhausting and stopping liquid | |
| CN104491949A (en) | Multifunctional safe infusion device and safe infusion method | |
| CN215134689U (en) | Anti-return infusion needle tube | |
| CN204033930U (en) | New type auto fluid level control device | |
| CN201625277U (en) | Disposable safety infusion device with precision automatic liquid stopping function | |
| CN104587569B (en) | A kind of Novel bubble-prevention infusion device | |
| CN202113438U (en) | Liquid-stopping intravenous transfusion apparatus | |
| CN202191529U (en) | Self-exhaustion liquid-limited infusion apparatus capable of storing liquid |
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: 20130731 Termination date: 20171113 |