CN102139131B - Safety vein infusion control device - Google Patents
Safety vein infusion control device Download PDFInfo
- Publication number
- CN102139131B CN102139131B CN2009103051004A CN200910305100A CN102139131B CN 102139131 B CN102139131 B CN 102139131B CN 2009103051004 A CN2009103051004 A CN 2009103051004A CN 200910305100 A CN200910305100 A CN 200910305100A CN 102139131 B CN102139131 B CN 102139131B
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- control device
- connector
- cover unit
- sealing cover
- detent plug
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Abstract
The invention discloses a safety vein infusion control device which mainly comprises a floating stop plug device and a drop storage cup, wherein the floating stop plug device is arranged in the drop storage cup and floated above an injection outlet of the drop storage cup, the floating stop plug device comprises a hollow floater and a water stop cover unit arranged below the floater, a hollow connector extending downwards is arranged in the floater, an annular groove is formed on the periphery of the connector, a jack is arranged at the lower end of the connector, the water stop cover unit is inserted into the jack through a connecting lug at the top end, the water stop cover unit is provided with a containing space and a stop plug film on the bottom, and the stop plug film can cover the injection outlet of the drop storage cup so as to be stuck on a stop plug.
Description
Invention field
The present invention relates to a kind of improvement of infusion control device, outstanding reference and a kind of transfusion system that is applicable to can effectively intercept dropping liquid and air, and prevent that the control device that blood refluxes from improving; And no matter this control device rocks or whether tilts, and neither causing is affected, and can guarantee to end an effect.
Background technology
Existing droving injector controller; Be about to air injection human body is avoided in injection when finishing problem for solving in injection; Like Chinese patent notification number CN2601096; Disclose a kind of piston that is used in drop, wherein drop plug integral body is placed in bottle interior liquid, and drop plug top is that cavity makes the drop plug float over the top of a dropping liquid.When a dropping liquid is about to use up; The drop plug drops to bottle mouth position with liquid level and by a drop stopper shape and a bottle wall contact seal; But because the internal diameter of drop plug corresponding point drop bottle is little; Rock under the state that the drop plug can roll arbitrarily and effective air-tight bottle wall in bottle in that a drop bottle is stressed, reach the detent plug effect.
Chinese patent notification number CN2654146 and for example; A kind of control device of dropping syringe is disclosed; Mainly be one to have the buoyancy aid container of hollow shape cartridge type body, the periphery of buoyancy aid container in the upper surface is provided with the kickboard of proper width, makes the buoyancy aid container can swim in liquid surface; But because bad on the buoyancy aid Vessel Design can guarantee just that for the lasting running of keeping dropping syringe needs the extra water hole of establishing in kickboard lower edge appropriate position the buoyancy aid container can not be submerged in the liquid because of overflowing.
The sucker that buoyancy aid container lower end is had needs the captivation along with drain, just can make the sucker that is matrix form the outlet of dome shape and then sealing drop Storage Cup, can't directly adsorb the outlet of pressing in drop Storage Cup bottom.
Therefore, the present invention conceives and actual tests through positive because of in view of the above-mentioned many practical shortcoming of existing product; Then improve its overall structure; A kind of dropping liquid and air of can be automatically effectively intercepting and develop, and no matter whether rock or tilt and all be not affected, and can guarantee the detent plug effect; Improving the shortcoming in the many practicalities of existing product, and significantly promote its practical effect.
Summary of the invention
Main purpose of the present invention; Be to be to provide a kind of safe drip transfusion control device; Mainly form by unsteady detent plug device and drop Storage Cup; The detent plug device that should float is installed in the drop Storage Cup and is floated on the injection outlet top of this drop Storage Cup, and in order to reach above-mentioned purpose, the technological means that the present invention adopted comprises:
The buoyancy aid and one that this detent plug device that floats comprises hollow is located at the sealing cover unit of buoyancy aid below; Be provided with a past connector that extends below in this buoyancy aid and form an endless groove in the connector periphery; And be provided with this sealing cover unit in this connector lower end; This sealing cover unit is provided with a detent plug thin film in the bottom, and this detent plug thin film be enough to contain the drop Storage Cup the injection outlet and really detent plug fit.
This connector lower end is provided with a jack, and this sealing cover unit is inserted in this jack to be located at this connector lower end with vertical engagement protrusion.
This connector is the hollow tube of end sealing.
After this engagement protrusion is inserted in the jack of connector below, make the inner hollow bulb that forms of this connector.
The accommodation space that this sealing cover unit has a hollow.
The buoyancy aid that is somebody's turn to do the detent plug device that floats is a hard cell body, and the unitary detent plug thin film of this sealing cover is soft diaphragm.
This sealing cover unit is made up of silica gel.
This connector runs through this buoyancy aid and forms opening.
This sealing cover unit is a slim sucker.
This sealing cover unit is a bell cover body.
So use beneficial effect of the present invention to exist: no matter rock or whether tilt all can effectively intercept dropping liquid and air and can guarantee that drop end to drip an effect; And need not need the extra apopore that be provided with to prevent to overflow and be submerged in the liquid, and the detent plug device that behind the some drop bottle that more renews, floats can float on the dropping liquid interface again.
Description of drawings
Fig. 1 is the perspective exploded view of first embodiment of the invention;
Figure 1A is the generalized section of Fig. 1 embodiment;
Fig. 2 is the generalized section of first embodiment of the invention user mode;
Fig. 3 is the generalized section of another user mode of first embodiment of the invention;
Fig. 4 is the generalized section of the another user mode of first embodiment of the invention;
Fig. 5 is the configuration schematic diagram of first embodiment of the invention actual injection;
Fig. 6 is that first embodiment of the invention is rocked or the generalized section of inclination user mode;
Fig. 7 is that first embodiment of the invention is rocked or the generalized section of inclination user mode;
Fig. 8 is another schematic perspective view of first embodiment of the invention い buoyancy aid;
Fig. 8 A is the generalized section of Fig. 8 embodiment;
Fig. 9 is the perspective exploded view of the present invention embodiment;
Fig. 9 A is the generalized section of Fig. 9 embodiment;
Figure 10 is another schematic perspective view of the present invention embodiment い buoyancy aid;
Figure 10 A is the generalized section of Figure 10 embodiment.
The specific embodiment
For further understanding characteristic of the present invention, technological means and the concrete function of being reached, purpose, enumerated the present invention's specific embodiment preferably below, and conjunction with figs., figure number specify as follows:
Seeing also shown in Figure 1ly, is the perspective exploded view of detent plug device 20 of floating, and shown in figure, the detent plug device 20 that floats is made up of buoyancy aid 21 and 22 of sealing cover unit.
In Figure 1A; Buoyancy aid 21 is the hollow base frame of a upper end closed; Processed by hard material, its periphery be in can being provided with most ribs or fin like Fig. 1 in case of necessity, and is protruding with a connector 211 in buoyancy aid 21 central interior places toward extending below; And buoyancy aid 21 forms an endless groove 212 in connector 211 peripheries, below buoyancy aid 21, forms circular opening 2120 simultaneously.In present embodiment, connector 211 is the hollow tube of end sealing.
See also shown in Figure 2; Be that the detent plug device 20 that floats is in drop Storage Cup 10 and contains the generalized section that dropping liquid L reaches 1/2 full above state; A pointed joint 30 is installed in the top of drop Storage Cup 10 among the figure; Bottom in order to insertion point drop bottle 40 imports drop, makes the detent plug device 20 that floats utilize buoyancy to float on the liquid surface of dropping liquid L.
Dropping liquid L injects drainage tube 50 through injection outlet 51, and by the drainage tube 50 terminal injection needle that is connected 60 outputs, and the appropriate location is provided with volume control device 70 (as shown in Figure 5) between drainage tube 50 and injection needle 60.
See also shown in Figure 3; Be that unsteady detent plug device 20 is in the generalized section that dropping liquid L is about to the state that drips off; Because unsteady detent plug device 20 by the acceleration of gravity own and the reduction of drop Storage Cup 10 liquid levels, makes detent plug thin film 222 bottoms of sealing cover unit 22 cover and fits in injection outlet 51.
The size of detent plug thin film 222 and material are enough to integral body and contain injection outlet 51; And detent plug thin film 222 can cover applying injection outlet 51 shown in figure; Make detent plug thin film 222 certain adsorbed close export 51 in injection; Intercept dropping liquid L and air with effective automatically, and prevent that backflow phenomenon from reaching the good effect of dripping of ending.In present embodiment, the area of detent plug thin film 222 should export 51 area of section greater than injection basically, and by constituting like the good material of silica gel elasticity such as (silicon), to reach the effect of good detent plug.
As shown in Figure 4, be that unsteady detent plug device 20 is in the generalized section that drop Storage Cup 10 adds the automatic float state in dropping liquid L (the some drop bottle 40 that more renews) back again.After dropping liquid L inserts drop Storage Cup 10 again; Dropping liquid L can flow into buoyancy aid 21 by the circular opening 2120 (shown in Figure 1A) of endless groove 212 belows; Make the detent plug device 20 that floats utilize buoyancy to float on the liquid surface of dropping liquid L again, last detent plug thin film 222 breaks away from injection outlet 51.
Because circular opening 2120 is provided in a side of buoyancy aid 21 belows; No matter to be in dropping liquid L amount many or measure few state for drop Storage Cup 10; Dropping liquid L all can flow out or inflow buoyancy aid 21 by circular opening 2120, makes buoyancy aid 21 can not overflow sinking more and can float on liquid surface once more because of the interpolation again of dropping liquid L because of dropping liquid L amount.
See also Fig. 6, shown in 7, be to float detent plug device 20 in the generalized section of inclination decline state.Dropping liquid L measures after a little while, and detent plug thin film 222 can adsorb the injection outlet 51 that fits in drop Storage Cup 10; And the hollow seat physical ability by buoyancy aid 21 under the drop Storage Cup 10 stressed states that rock or tilt limits the detent plug device 20 whole amplitudes of fluctuation of floating; Can significantly improve existing one and rocked or the shortcoming of the i.e. device inefficacy of tilting in any case make detent plug thin film 222 all be enough to contain injection outlet 51, and tangible progressive is arranged.
Seeing also shown in Fig. 8, the 8A, is the perspective exploded view of detent plug device 20A of floating, float in the present embodiment detent plug device 20A primary clustering all with Fig. 1,1A is similar and be marked with same reference numbers representes, and omits its related description.
In unsteady detent plug device 20A, connector 211A runs through buoyancy aid 21 and forms opening 214.The detent plug device 20A that floats utilizes liquid buoyancy to float in the drop Storage Cup 10 equally; And when liquid is about to drip off in the drop Storage Cup 10; The acceleration that the detent plug device 20A that floats reduces by the dropping liquid L weight of being contained in the connector 211A and drop Storage Cup 10 liquid levels makes detent plug thin film 222 bottoms of sealing cover unit 22 cover equally and fits in injection outlet 51 (with reference to shown in Figure 3), and reaches the effect identical with unsteady detent plug device 20.
Seeing also shown in Fig. 9, the 9A, is the perspective exploded view of detent plug device 20B of floating, float in the present embodiment detent plug device 20B primary clustering all with Fig. 1,1A is similar and be marked with same reference numbers representes, and omits its related description.
Be a bell cover body shown in sealing cover unit 22A such as Fig. 9 A and have an accommodation space 220A; And be provided with an engagement protrusion 221A in 22A top, sealing cover unit; In order to be inserted in the jack 213 of connector 211 belows, sealing cover unit 22B and buoyancy aid 21 are combined as a whole.Extend outward in accommodation space 220A bottom in addition and be provided with a detent plug thin film 222A.When the liquid drip storage cup 10 will drop when finished, will be floating over the stopper device 20B cup 10 bit storage level drops, and to seal the cover units 22A 222A at the bottom of the stopper covering film bonded to the injection outlet 51 (refer to Figure 3), and reaches the stopper device 20 and floating the same effect.
Seeing also shown in Figure 10, the 10A, is the perspective exploded view of detent plug device 20C of floating, float in the present embodiment detent plug device 20C primary clustering all with Fig. 9,9A is similar and be marked with same reference numbers representes, and omits its related description.The stopper on the floating device 20C, the coupling 211A through the floating body 21 and the formation of openings 214 and reaches the floating map 9 the stopper device 20B same effect.
In sum, its its specific structure characteristic of safe drip transfusion control device mat of the present invention really can reach each item requirement of former goal of the invention, and significantly improves the greatest practical effect of existing product, proposes the application of patent of invention in accordance with the law, earnestly asks and grants standard early for expecting.
Claims (10)
1. safe drip transfusion control device, it mainly is made up of unsteady detent plug device and drop Storage Cup, and this unsteady detent plug device is installed in the drop Storage Cup and is floated on the injection outlet top of this drop Storage Cup, it is characterized in that:
The buoyancy aid and one that this detent plug device that floats comprises hollow is located at the sealing cover unit of buoyancy aid below; Be provided with one in this buoyancy aid toward the connector that extends below; Form the endless groove space of a lower ending opening between this buoyancy aid and the connector; And be provided with this sealing cover unit in this connector lower end, this sealing cover unit is provided with a detent plug thin film in the bottom, and this detent plug thin film be enough to contain the drop Storage Cup the injection outlet and really detent plug fit.
2. according to the described safe drip transfusion control device of claim l, it is characterized in that: this connector lower end is provided with a jack, and this sealing cover unit is inserted in this jack to be located at this connector lower end with vertical engagement protrusion.
3. safe drip transfusion control device according to claim 2 is characterized in that: this connector is the hollow tube of end sealing.
4. safe drip transfusion control device according to claim 3 is characterized in that: after this engagement protrusion is inserted in the jack of connector below, make the inner hollow bulb that forms of this connector.
5. safe drip transfusion control device according to claim 1 is characterized in that: the accommodation space that this sealing cover unit has a hollow.
6. according to the described safe drip transfusion control device of claim l, it is characterized in that: the buoyancy aid of this unsteady detent plug device is a hard cell body, and the unitary detent plug thin film of this sealing cover is soft diaphragm.
7. according to the described safe drip transfusion control device of claim l, it is characterized in that: this sealing cover unit is made up of silica gel.
8. according to the described safe drip transfusion control device of claim l, it is characterized in that: this connector runs through this buoyancy aid and forms opening.
9. according to the described safe drip transfusion control device of claim l, it is characterized in that: this sealing cover unit is a slim sucker.
10. according to the described safe drip transfusion control device of claim l, it is characterized in that: this sealing cover unit is a bell cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103051004A CN102139131B (en) | 2009-06-08 | 2009-07-31 | Safety vein infusion control device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910303023 | 2009-06-08 | ||
| CN200910303023.9 | 2009-06-08 | ||
| CN2009103051004A CN102139131B (en) | 2009-06-08 | 2009-07-31 | Safety vein infusion control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102139131A CN102139131A (en) | 2011-08-03 |
| CN102139131B true CN102139131B (en) | 2012-10-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103051004A Expired - Fee Related CN102139131B (en) | 2009-06-08 | 2009-07-31 | Safety vein infusion control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102139131B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105477750B (en) * | 2016-01-04 | 2018-12-07 | 湖南省绿洲惠康发展有限公司 | Disposable automatic liquid-stopping transfusion apparatus |
| CN113021804B (en) * | 2021-03-08 | 2023-03-28 | 深圳市紫峰通讯有限公司 | Injection molding device is used in processing of internet router's leaded light post |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2654146Y (en) * | 2003-08-01 | 2004-11-10 | 王东华 | Control device of drip injector |
| CN2732262Y (en) * | 2004-10-25 | 2005-10-12 | 陈庆强 | Moffes infusion tube with guiding means and doctor cap type anti-reflux valve |
| CN101327349A (en) * | 2008-05-27 | 2008-12-24 | 魏颖德 | Universal protection valve of transfusion utensil |
-
2009
- 2009-07-31 CN CN2009103051004A patent/CN102139131B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2654146Y (en) * | 2003-08-01 | 2004-11-10 | 王东华 | Control device of drip injector |
| CN2732262Y (en) * | 2004-10-25 | 2005-10-12 | 陈庆强 | Moffes infusion tube with guiding means and doctor cap type anti-reflux valve |
| CN101327349A (en) * | 2008-05-27 | 2008-12-24 | 魏颖德 | Universal protection valve of transfusion utensil |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平9-28794A 1997.02.04 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102139131A (en) | 2011-08-03 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20170731 |
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| CF01 | Termination of patent right due to non-payment of annual fee |