CN201840734U - Extrusion preventive safety control device for transfusion - Google Patents
Extrusion preventive safety control device for transfusion Download PDFInfo
- Publication number
- CN201840734U CN201840734U CN2010202992545U CN201020299254U CN201840734U CN 201840734 U CN201840734 U CN 201840734U CN 2010202992545 U CN2010202992545 U CN 2010202992545U CN 201020299254 U CN201020299254 U CN 201020299254U CN 201840734 U CN201840734 U CN 201840734U
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- Prior art keywords
- cup
- connector
- safety control
- plug
- come
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- Expired - Lifetime
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Abstract
The utility model relates to an extrusion preventive safety control device for transfusion, which mainly consists of a floating blockage stopper and a liquid medicine storage cup. The floating blockage stopper is arranged in the liquid medicine storage cup and floats above a liquid outlet of the liquid medicine storage cup, the floating blockage stopper floats up and down by the aid of buoyancy and obstructs the liquid outlet of the liquid medicine storage cup when liquid level falls so as to be favorable for stopping liquid, an inner supporting sleeve is arranged in the liquid medicine storage cup so as to prevent the liquid medicine storage cup from deforming when compressed, and accordingly the problem that the floating blockage stopper is obstructed when floating up and down is resolved.
Description
Technical field
This utility model relates to a kind of anti-extrusion infusion safety control, refers to a kind of transfusion system that is applicable to especially, can effectively intercept dropping liquid and air, and prevents that blood from refluxing, and can prevent that round external force from losing the control device of function when pushing.
Background technology
Existing droving injector controller, be about to air injection human body is avoided in injection when finishing problem for solving in injection, as Chinese patent notification number CN2601096, a kind of piston that is used in drop is disclosed, 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 and contacts sealing by drop stopper shape with the bottle wall with liquid level, 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, make 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 additionally to establish a water hole 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 inventor is because many shortcomings of existing traditional product, think that existing droving injector controller mainly is made up of unsteady detent plug device and drop Storage Cup, the detent plug device that floats is installed in the drop Storage Cup and is floated on the injection outlet liquid outlet top of drop Storage Cup, the detent plug device that floats comprises a come-up cup and a cup of floating downward, the come-up cup that the come-up cup has a hollow, and by down extending a plug connector in the come-up cup, the following buoyancy aid that the cup of floating downward has a hollow, following buoyancy aid inside is equiped with a connection piece, the come-up cup is planted with plug connector and is fixed in the connector top, and the connector bottom is connected with a plug part, plug part is provided with a detent plug thin film in the bottom, the detent plug device that floats utilizes, glass buoyancy that part produced of floating downward fluctuates, and when liquid level descends with the liquid outlet of the detent plug thin-film barrier drop Storage Cup of plug part, in order to carrying out sealing.
The inventor is after designing aforementioned safe drip transfusion control device, further actively conceive and actual tests, degree of stability and the safety of a kind of safe drip transfusion control device when using more improved, and then develop and a kind ofly can effectively intercept dropping liquid and air automatically, and no matter whether rock or tilt and all be not affected, when suffering the external force extruding, still can keep the control device of its safe iris action again.
The utility model content
Main purpose of the present utility model is that a kind of anti-extrusion infusion safety control is being provided; For reaching this purpose, it mainly is made up of this utility model anti-extrusion infusion safety control the drop Storage Cup that detent plug device and is made of the transparent soft material that floats, the detent plug device that should float is installed in the drop Storage Cup and is floated on the liquid outlet top of this drop Storage Cup, the detent plug device that should float comprises a come-up cup and a cup of floating downward, this come-up cup has the come-up cup of a hollow and down extends a plug connector by in this come-up glass, this following buoyancy aid that cup has a hollow of floating downward, this time buoyancy aid inside is equiped with a connection piece, this come-up cup is planted with this plug connector and is fixed in this connector top, and this connector bottom is connected with a plug part, this plug part is provided with a detent plug thin film in the bottom, be provided with one in this drop Storage Cup and prevent that the drop Storage Cup from being oppressed the interior supporting sleeve of distortion, interior supporting sleeve bottom is provided with a valve port, this valve port is relative with the liquid outlet that dot interlace drips Storage Cup, the detent plug device utilization of should floating is somebody's turn to do, glass buoyancy that part produced of floating downward fluctuates, and when liquid level descends the detent plug thin-film barrier in valve port, in order to carrying out sealing.
Described connector bottom is provided with a perforate, and this plug part top is provided with an engagement protrusion, in order to be inserted in this perforate, makes this plug part be located at this connector bottom; After engagement protrusion is inserted in the perforate of this connector below again, make the inner hollow bulb that forms of this connector.
Described connector top is provided with a jack, for this come-up cup this plug connector is planted and is fixed in this connector top.
Described connector top is provided with a jack, and this come-up cup is a hard cell body with this time buoyancy aid, and the detent plug thin film of this plug part is soft diaphragm.
Described plug part is made of silica gel.
The described cup of floating downward forms an endless groove in this connector periphery.
In described the supporting sleeve inwall be provided with at least one detent plug device that prevents to float deviate from the protuberance of supporting sleeve.
Supporting sleeve is provided with a location lid in described, this location cover be provided with most perforation can be for the dropping liquid circulation.
Supporting sleeve is arranged at this drop Storage Cup with the direction that this valve port is arranged in this liquid outlet opposition side in described, and limits the range of upper and lower floating cup part with this valve port.
Described come-up cup external diameter is slightly less than valve port diameter.
Characteristic of the present utility model is: the interior supporting sleeve that is arranged in the drop Storage Cup can prevent the drop Storage Cup because the soft materials of cup itself, in the process of transporting, oppress distortion because of the external force effect, cup itself is extruded cause float the detent plug device can't be normally along with the dropping liquid liquid level fluctuates, and then have influence on the stagnant water effect of plug part.
Its caliber of interior supporting sleeve and size in this utility model can be made change according to the cup of drop Storage Cup, supporting sleeve can be applicable to the specification of various different drop Storage Cups in making, can enlarge the scope of application of the present utility model, can not limit the effect that this utility model prevents the drop Storage Cup because of the specification of each drop Storage Cup.
Moreover; this utility model is by the set location lid of protuberance or interior supporting sleeve top of supporting sleeve inwall in being arranged at; to avoid unsteady detent plug device up to float internal surface of sleeve pipe and the anti-deformation of supporting sleeve protection in can't being subjected to; more can only fluctuate, and the detent plug device that prevents to float tilts to guarantee the stagnant water effect of plug part by limiting the detent plug device that floats at the inwall of interior supporting sleeve.
Compared to prior art, no matter this utility model transfusion safety control rocks or whether tilts all can effectively intercept dropping liquid and air and can guarantee that drop ends an effect, and need not additionally be provided with apopore and prevent to overflow and be submerged in the liquid, and the detent plug device that floats behind the some drop bottle that more renews can float on the dropping liquid interface again.
When this utility model transfusion safety control suffered the external force extruding, it can resist the strength of extruding by interior supporting sleeve, so that the detent plug device that floats can remain on the state that can freely fluctuate at any time, and brought into play the effect that it intercepts safely really.
Description of drawings
Fig. 1 is the perspective exploded view of this utility model first embodiment;
Fig. 2 is the unsteady detent plug device decomposing schematic representation of this utility model first embodiment;
Fig. 3 is the unsteady detent plug device cutaway view of this utility model first embodiment;
Fig. 4 is the three-dimensional appearance sketch map of this utility model first embodiment;
Fig. 5 is the use aspect sketch map of this utility model first embodiment;
Fig. 6 is the cutaway view of this utility model first embodiment;
Fig. 7 is the unsteady detent plug device come-up sketch map of this utility model first embodiment;
Fig. 8 is this utility model second embodiment cross-sectional schematic;
Fig. 9 is this utility model the 3rd embodiment cross-sectional schematic;
Figure 10 is another cross-sectional schematic of detent plug device of floating among this utility model the 3rd embodiment;
Figure 11 is the detent plug device come-up sketch map that floats among Figure 10 embodiment.
The specific embodiment
For further understanding feature of the present utility model, technological means and the concrete function of being reached, purpose, enumerated this utility model specific embodiment preferably below, and conjunction with figs., figure number are described in detail as follows:
See also shown in Fig. 1～5, it is the perspective exploded view of this utility model first embodiment, detent plug device decomposing schematic representation floats, detent plug device cutaway view floats, the three-dimensional appearance sketch map, use the aspect sketch map, as shown in the figure, control device 100 mainly is by the drop Storage Cup 20 that detent plug device 10 and is made of the transparent soft material that floats, supporting sleeve 30 is formed in one, the upstream of drop Storage Cup 20 and a drop are inserted and are covered 40 direct or indirect (by other conduits) and be connected, so that dropping liquid can flow in the drop Storage Cup 20, the downstream of drop Storage Cup 20 then is connected an outlet tube 50.
The internal diameter of interior supporting sleeve 30 is greater than the external diameter of the detent plug device 10 that floats, to produce the gap that supplies the injection circulation and allow unsteady detent plug device 10 smooth and easy liftings.Interior supporting sleeve 30 bottoms are provided with a valve port 31, and in present embodiment, valve port 31 is relative with the liquid outlet 21 of drop Storage Cup 20.
The detent plug device 10 that floats is made of come-up cup 11, float downward cup 12 and plug part 13.In Figure 1A, the come-up cup 11 hollow upper floats 111 with a top closure, upper float 111 are made by hard material, and its periphery is in case of necessity, can be provided with most ribs or fin as Fig. 2, and down extend in come-up cup 11 central interior places and to be protruding with a plug connector 112.
The cup 12 of floating downward of unsteady detent plug device 10 has the following buoyancy aids 121 of the hollow of bottom sealing, following buoyancy aid 121 inside are equiped with a connection piece 122, float downward cup 12 and form an endless groove 123 in connector 122 peripheries forms circular opening simultaneously above the cup 12 of floating downward.
As shown in Figure 6, interior supporting sleeve 30 is to be located at drop Storage Cup interior 20, has the critical function that prevents 20 rounds compressing distortion of drop Storage Cup, and be somebody's turn to do the external diameter of the internal diameter of interior supporting sleeve 30, to produce the gap that supplies injection to circulate and allow unsteady detent plug device 10 smooth and easy liftings greater than the detent plug device 10 that floats.
In present embodiment, interior supporting sleeve 30 its calibers and size can be made change according to the cup of drop Storage Cup 20, and supporting sleeve 30 is applicable to the specification of various different drop Storage Cups 20 in making.
As shown in Figure 7, under the situation of dropping liquid L inflow drop Storage Cup 20, the detent plug device 10 that floats utilizes the cup 11 that floats to rise with the buoyancy that the cup 12 of floating downward is produced, and the liquid outlet 21 of drop Storage Cup 20 can remain on the state of unlatching at this moment; Otherwise, when dropping liquid L reduces, the detent plug device 10 that floats promptly sinks with the height of dropping liquid L, when liquid level drops to certain altitude, the detent plug thin film 131 of plug part 13 and intercept liquid outlet 21 in drop Storage Cup 20, and reach the effect of blocking-up circulation, and then adsorbed close is in liquid outlet 21, intercept dropping liquid L and air with effective automatically, and prevent that backflow phenomenon from reaching the good effect of dripping of ending, it is described just like earlier figures 6 that it blocks aspect.
During enforcement; for make the detent plug device 10 that floats can be in not exceeding lifting in the scope of supporting sleeve 30; be at interior supporting sleeve 30 inwalls at least one protuberance 14 to be set; this protuberance 14 can be convex dot shape, ring-type or other can prevent to float detent plug device 10 deviate from the structure of supporting sleeve 30 so that the detent plug device 10 that floats can be subjected to fully in the protection of supporting sleeve 30.
In present embodiment; this utility model up floats internal surface of sleeve pipe and the anti-deformation of supporting sleeve 30 protection in can't being subjected to by the protuberance 14 of supporting sleeve 30 inwalls in being arranged to avoid unsteady detent plug device 10; and more can by interior supporting sleeve 30 limit float 10 in detent plug device within it wall fluctuate; and then detent plug device 10 inclinations that prevent to float, to guarantee the stagnant water effect of plug part 13.
Detent plug thin film 131 areas of plug part 13 basically should be greater than the area of section of liquid outlet 21, and plug part 13 can be by constituting as the good material of silica gel elasticity such as (silicon), to reach the effect of good detent plug.
As shown in Figure 8, this utility model second embodiment cross-sectional schematic, main element is all identical with first embodiment in the present embodiment, thus be marked with same numeral and omit its explanation, and have the effect identical with first embodiment.
In the present embodiment; interior supporting sleeve 30A inwall is not had a protuberance 14; and interior supporting sleeve 30A be provided with one the location cover 60; this location lid 60 is provided with most perforation 61 can allow dropping liquid circulate; replace the protuberance 14 on interior supporting sleeve 30 inwalls among first embodiment to utilize the location to cover 60; to reach the range of the unsteady detent plug device 10 of restriction equally; and the detent plug device 10 that prevents to float is deviate from interior supporting sleeve 30; use the protection that makes the detent plug device 10 that floats to be subjected to interior supporting sleeve 30 fully, guarantee the stagnant water effect of plug part 13 simultaneously.
As shown in Figure 9, this utility model the 3rd embodiment cross-sectional schematic, main element is all identical with first embodiment in the present embodiment, thus be marked with same numeral and omit its explanation, and have the effect identical with first embodiment.
Supporting sleeve 30A inwall is not had protuberance 14 equally in the present embodiment; and interior supporting sleeve 30A turns upside down to be inverted in drop Storage Cup 20; make the backstop of the valve port 31A structure that the detent plug device 10 that floats contracts in the supporting sleeve 30A in being subjected to and supporting sleeve 30A in can't deviating from; the range of the unsteady detent plug device 10 of restriction, and make the detent plug device 10 that floats can be subjected to the protection of interior supporting sleeve 30A fully equally.
Can be in the interior supporting sleeve 30A as Figure 10, shown in Figure 11, device has a unsteady detent plug device 10A in addition, the detent plug device 10A main element that floats is all identical with unsteady detent plug device 10, so be marked with same numeral and omit its explanation, wherein glass 12A height of floating downward of unsteady detent plug device 10A is less than the cup 12 of floating downward, and come-up cup 11A external diameter is slightly less than valve port 31A diameter, and when unsteady detent plug device 10A utilizes the come-up cup 11A and glass buoyancy that 12A produced of floating downward to rise, the valve port 31A of supporting sleeve 30A in come-up cup 11A can pass as shown in Figure 11, and the external diameter of glass 12A is greater than valve port 31A diameter because float downward, make the detent plug device 10A that floats can be subjected to floating downward glass 12A block and limit the scope of its come-up.
In sum, its its specific structure feature of this utility model anti-extrusion infusion safety control mat, especially the setting by interior supporting sleeve, can guarantee that more control device can bring into play the effect that it intercepts safely really, and reach every requirement of this utility model purpose, the whence proposes the application of patent of invention in accordance with the law, earnestly asks and grants standard early for expecting.
Claims (10)
1. anti-extrusion infusion safety control, it mainly is made up of the drop Storage Cup that detent plug device and is made of the transparent soft material that floats, the detent plug device that should float is installed in the drop Storage Cup and is floated on the liquid outlet top of this drop Storage Cup, the detent plug device that should float comprises a come-up cup and a cup of floating downward, this come-up cup has the come-up cup of a hollow and down extends a plug connector by in this come-up glass, this following buoyancy aid that cup has a hollow of floating downward, this time buoyancy aid inside is equiped with a connection piece, this come-up cup is planted with this plug connector and is fixed in this connector top, and this connector bottom is connected with a plug part, this plug part is provided with a detent plug thin film in the bottom, it is characterized in that:
Be provided with one in this drop Storage Cup and prevent that the drop Storage Cup from being oppressed the interior supporting sleeve of distortion, interior supporting sleeve bottom is provided with a valve port, this valve port is relative with a liquid outlet of drop Storage Cup bottom, the detent plug device that should float utilizes this upper and lower floating cup buoyancy that part produced to fluctuate, and when liquid level descends the detent plug thin-film barrier in valve port, in order to carrying out sealing.
2. anti-extrusion infusion safety control according to claim 1, it is characterized in that: this connector bottom is provided with a perforate, and this plug part top is provided with an engagement protrusion, in order to be inserted in this perforate, make this plug part be located at this connector bottom, after engagement protrusion is inserted in the perforate of this connector below, make the inner hollow bulb that forms of this connector.
3. anti-extrusion infusion safety control according to claim 1 is characterized in that: this connector top is provided with a jack, for this come-up cup this plug connector is planted and is fixed in this connector top.
4. anti-extrusion infusion safety control according to claim 1 is characterized in that: this connector top is provided with a jack, and this come-up cup is a hard cell body with this time buoyancy aid, and the detent plug thin film of this plug part is soft diaphragm.
5. anti-extrusion infusion safety control according to claim 1, it is characterized in that: this plug part is made of silica gel.
6. anti-extrusion infusion safety control according to claim 1 is characterized in that: this cup of floating downward forms an endless groove in this connector periphery.
7. anti-extrusion infusion safety control according to claim 1 is characterized in that: interior supporting sleeve inwall be provided with at least one detent plug device that prevents to float deviate from the protuberance of supporting sleeve.
8. anti-extrusion infusion safety control according to claim 1 is characterized in that: interior supporting sleeve is provided with a location lid, this location cover be provided with most perforation can be for the dropping liquid circulation.
9. anti-extrusion infusion safety control according to claim 1, it is characterized in that: supporting sleeve is arranged at this drop Storage Cup with the direction that this valve port is arranged in this liquid outlet opposition side in this, and limits the range of upper and lower floating cup part with this valve port.
10. anti-extrusion infusion safety control according to claim 9 is characterized in that: this come-up cup external diameter is slightly less than valve port diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202992545U CN201840734U (en) | 2010-08-20 | 2010-08-20 | Extrusion preventive safety control device for transfusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202992545U CN201840734U (en) | 2010-08-20 | 2010-08-20 | Extrusion preventive safety control device for transfusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201840734U true CN201840734U (en) | 2011-05-25 |
Family
ID=44035639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202992545U Expired - Lifetime CN201840734U (en) | 2010-08-20 | 2010-08-20 | Extrusion preventive safety control device for transfusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201840734U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085401A (en) * | 2010-08-20 | 2011-06-08 | 汪贤宗 | Anti-extrusion drip transfusion safety control device |
| US11293847B2 (en) * | 2019-05-21 | 2022-04-05 | Exxonmobil Upstream Research Company | Test system and methods for evaluating erosion of a test sample |
-
2010
- 2010-08-20 CN CN2010202992545U patent/CN201840734U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085401A (en) * | 2010-08-20 | 2011-06-08 | 汪贤宗 | Anti-extrusion drip transfusion safety control device |
| CN102085401B (en) * | 2010-08-20 | 2013-08-14 | 汪贤宗 | Anti-extrusion drip transfusion safety control device |
| US11293847B2 (en) * | 2019-05-21 | 2022-04-05 | Exxonmobil Upstream Research Company | Test system and methods for evaluating erosion of a test sample |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110525 Effective date of abandoning: 20130814 |
|
| RGAV | Abandon patent right to avoid regrant |