CN202283374U - Bubble-proof infusion apparatus with improved structure and rapid exhaust - Google Patents
Bubble-proof infusion apparatus with improved structure and rapid exhaust Download PDFInfo
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- CN202283374U CN202283374U CN2011203241872U CN201120324187U CN202283374U CN 202283374 U CN202283374 U CN 202283374U CN 2011203241872 U CN2011203241872 U CN 2011203241872U CN 201120324187 U CN201120324187 U CN 201120324187U CN 202283374 U CN202283374 U CN 202283374U
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- minim pipette
- air
- bubble
- cover body
- transfusion device
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Abstract
The utility model relates to a bubble-proof infusion apparatus with an improved structure and rapid exhaust, which belongs to the technical field of medical transfusion systems, and comprises a drip chamber. The upper end part of the drip chamber is connected to an upper liquid-dripping pipe, and the lower end part of the drip chamber is connected to a lower liquid-dripping pipe. The bubble-proof infusion apparatus also comprises an air isolating cover body cooperating with the lower liquid-dripping pipe. The air isolating cover body or the lower liquid-dripping pipe enables liquid to flow from bottom to top into a bubble-proof liquid discharging groove of the lower liquid-dripping pipe. The bubble-proof infusion apparatus is advantageous in that the structure is simple and the production cost is low; air in the infusion apparatus can be automatically, rapidly and completely discharged; the operation of air discharge does not require any medical care staffs, and the air discharging is fast in speed and safe and reliable in use.
Description
Technical field
This utility model belongs to the medical infusing device technical field, relates in particular to the quick exhaust transfusion device of a kind of structure improved anti-bubble.
Background technology
A kind of medical apparatus and instruments of often using when transfusion device is the treatment disease all need use transfusion device when patient is infused.At present, the general infusion set that medical field is commonly used is made up of contact pin, air inlet pipe, upper tubing, dropping funnel, following tube for transfusion, by-pass cock, filter and intravenous needle.General infusion set just begins in transfusion, when medicinal liquid gets into dropping funnel; Because medicinal liquid receives the double influence of gravity and pressure; Very easily form the gas-liquid mixture of gas and medicinal liquid, this gas-liquid mixture can get in the transfusion catheter of dropping funnel below bubble phenomenon when forming transfusion rapidly simultaneously.Meanwhile, because the interior micro-bubble of tube for transfusion has surface tension down, these micro-bubbles can be adsorbed in down on the inwall of tube for transfusion in the infusion process, and the bubble ratio that therefore eliminating produces is difficulty.These bubbles have the intravital danger of the patient of entering in infusion process, cause the harm that causes patient's aeroembolism because of bubble.
Therefore, medical personnel before infusing, must will descend bubble in the tube for transfusion to discharge fully after transfusion again.Usually the manual method of getting rid of gas is: after bottle plug puncture unit is inserted transfusion bottle stopper, squeeze dropping funnel with hands earlier, medicinal liquid is got in the dropping funnel; Simultaneously dropping funnel is hung upside down; After charging into a certain amount of medicinal liquid in the dropping funnel, rapidly dropping funnel is vertically placed, can prevent the generation of great amount of bubbles; Another kind method is earlier actuator to cut out, and after charging into a certain amount of medicinal liquid in the dropping funnel, slowly opens actuator again, thereby reduces the generation of bubble.These manual methods are all more loaded down with trivial details, time-consuming, are difficult for the air in the transfusion device is discharged; And after medical personnel accomplish the operation of getting rid of the air in the transfusion device; Often also residual a spot of air is in transfusion device; Because this moment; The air that needs medical personnel will remain in once more in the transfusion device excludes bit by bit, and its deflated stability is not high yet, is unfavorable for urgent transfusion and rescues critically ill patient.
The utility model content
The purpose of this utility model is the deficiency to prior art, and provides a kind of structure improved anti-bubble quick exhaust transfusion device, and it can prevent the generation of bubble, realizes getting rid of automatically and quickly the purpose of the air in the transfusion device.
This utility model is realized through following technology.
The quick exhaust transfusion device of a kind of structure improved anti-bubble; It comprises dropping funnel; The upper end of said dropping funnel is connected with last minim pipette, and the bottom of said dropping funnel is connected with following minim pipette, comprises that also air completely cuts off cover body; The isolated cover body of said air cooperates with said minim pipette down, and isolated cover body of said air or said minim pipette down are provided with the gas-tight that makes liquid from bottom to top flow into down minim pipette and bubble out liquid bath.
Wherein, The isolated cover body of said air is provided with the gas-tight that liquid is from bottom to top flowed in the said minim pipette down and bubbles out liquid bath; The isolated cover body of said air is provided with projective structure, and said minim pipette down is provided with position limiting structure, and said projective structure cooperates with said position limiting structure.
Wherein, the isolated cover body of said air is provided with the gas-tight that liquid is from bottom to top flowed in the said minim pipette down and bubbles out liquid bath, and the inboard of the isolated cover body of said air is provided with groove, and said minim pipette down is provided with step, and said groove cooperates with said step.
Wherein, said minim pipette down is provided with the gas-tight that makes liquid from bottom to top flow into down minim pipette and bubbles out liquid bath, and the inboard of the isolated cover body of said air is provided with groove, and said minim pipette down is provided with step, and said groove cooperates with said step; Said step is provided with the gas-tight that makes liquid from bottom to top flow into said following minim pipette and bubbles out liquid bath, and the lower edge of the isolated cover body of said air is higher than the lower edge that said gas-tight bubbles out liquid bath.
Wherein, the bottom of said dropping funnel is provided with kelly, and the bottom of the isolated cover body of said air has extended round platform, and said round platform is provided with draw-in groove, and said kelly and said draw-in groove closely cooperate.
Wherein, said minim pipette down comprises first time minim pipette and second time minim pipette, and first time minim pipette removably is connected with second time minim pipette; The junction of first time minim pipette and second time minim pipette is provided with filtration.
Wherein, first time minim pipette and second time minim pipette are threaded.
Wherein, said filtration is a drainage screen.
Wherein, said filtration is a filter membrane.
Wherein, said gas-tight bubble out liquid bath for two or more.
The beneficial effect of this utility model is: the quick exhaust transfusion device of a kind of structure improved anti-bubble of this utility model; It comprises dropping funnel; The upper end of said dropping funnel is connected with last minim pipette, and the bottom of said dropping funnel is connected with following minim pipette, comprises that also air completely cuts off cover body; The isolated cover body of said air cooperates with said minim pipette down, and isolated cover body of said air or said minim pipette down are provided with the gas-tight that makes liquid from bottom to top flow into down minim pipette and bubble out liquid bath.
When this utility model present embodiment is in running order; Liquid drips through last minim pipette, in the dropping funnel accumulated, after the liquid level of liquid in the dropping funnel surpasses the height of lower edge that gas-tight bubbles out liquid bath; Because liquid receives the double influence of gravity and pressure, promptly gets into gas-tight and bubbles out liquid bath; Through the gap of the isolated cover body of air with following minim pipette, the liquid in the gap rises gradually then, and liquid from bottom to top flows into down minim pipette, and in this process, liquid that can not produces bubble; The isolated cover body of air can prevent minim pipette under the air admission, prevents that effectively bubble from producing.In addition, when the liquid in the dropping funnel produced bubble, when liquid entering gas-tight bubbled out liquid bath, as long as bubble one contact gas-tight bubbles out the cell wall of liquid bath, bubble was just shattered to pieces rapidly, and gas-tight bubbles out liquid bath can prevent effectively that bubble from getting into minim pipette down.
This utility model is simple in structure, and production cost is low, can realize automatically, get rid of fast, up hill and dale the purpose of the air in the transfusion device, does not need medical personnel to carry out bleeding, and exhaust velocity is fast, and is safe and reliable.
Description of drawings
Fig. 1 is the structural representation of the quick exhaust transfusion device of a kind of structure improved anti-bubble of the embodiment 1 of this utility model.
Fig. 2 is the decomposition texture sketch map of the isolated cover body of air and following minim pipette of the quick exhaust transfusion device of a kind of structure improved anti-bubble of the embodiment 1 of this utility model.
Fig. 3 is the decomposition texture sketch map of the isolated cover body of air and following minim pipette of the quick exhaust transfusion device of a kind of structure improved anti-bubble of the embodiment 2 of this utility model.
Fig. 4 is the decomposition texture sketch map of the isolated cover body of air and following minim pipette of the quick exhaust transfusion device of a kind of structure improved anti-bubble of the embodiment 3 of this utility model.
Fig. 5 is the structural representation of the quick exhaust transfusion device of a kind of structure improved anti-bubble of the embodiment 4 of this utility model.
Fig. 6 is the decomposition texture sketch map of the quick exhaust transfusion device of a kind of structure improved anti-bubble of the embodiment 4 of this utility model.
Fig. 7 is the structural representation of the isolated cover body of air of the quick exhaust transfusion device of a kind of structure improved anti-bubble of the embodiment 4 of this utility model.
Fig. 8 is the decomposition texture sketch map of following minim pipette of the quick exhaust transfusion device of a kind of structure improved anti-bubble of the embodiment 5 of this utility model.
Reference numeral
1---the following minim pipette of dropping funnel 2---last minim pipette 3---
4---air completely cuts off cover body 5---gas-tight bubbles out liquid bath 6---projective structure
7---position limiting structure 8---groove 9---steps
10---kelly 11---draw-in groove
12---first time minim pipette 13---second time minim pipette 14---round platforms.
The specific embodiment
Below in conjunction with accompanying drawing this utility model is further described.
embodiment 1.
Shown in Fig. 1 ~ 2; The quick exhaust transfusion device of a kind of structure improved anti-bubble of present embodiment, it comprises dropping funnel 1, the upper end of said dropping funnel 1 is connected with last minim pipette 2; The bottom of said dropping funnel 1 is connected with following minim pipette 3; Comprise that also air completely cuts off cover body 4, the isolated cover body 4 of said air cooperates with said minim pipette 3 down, and isolated cover body 4 of said air or said minim pipette 3 down are provided with the gas-tight that makes liquid from bottom to top flow into down minim pipette 3 and bubble out liquid bath 5.
Particularly, the isolated cover body 4 of the said air of present embodiment is provided with the gas-tight that liquid is from bottom to top flowed in the said minim pipette 3 down and bubbles out liquid bath 5.
The operation principle of this utility model: when transfusion; Liquid drips from last minim pipette 2, and the liquid that can not that drips gets into down in the minim pipette 3 at once, and the liquid that drips drops on the isolated cover body 4 of air; And flow downward, and in dropping funnel 1 accumulated along the side of the isolated cover body 4 of air.Increase along with the liquid that drips from last minim pipette 2; The liquid level fast rise of liquid in the dropping funnel 1; And the velocity of discharge of the air of the speed that liquid level rises in the dropping funnel 1, therefore, along with the fast rise of the liquid level of liquid in the dropping funnel 1; Air in the dropping funnel 1 is helped the air emptying in the dropping funnel 1 of transfusion device by Fast Compression.After the liquid level of liquid in the dropping funnel 1 surpasses the height of lower edge that gas-tight bubbles out liquid bath 5; Liquid in the dropping funnel 1 bubbles out liquid bath through gas-tight and gets into apace in the gap of isolated cover body 4 of air and following minim pipette 3, and at this moment, the pressure of compressed air acts on the liquid level of liquid in the dropping funnel 1 in the dropping funnel 1; Increase the pressure that liquid gets into the gap of isolated cover body 4 of air and following minim pipette 3; Add the pressure of the liquid self in the dropping funnel 1, under the hydraulic combined effect of the liquid in air pressure in dropping funnel 1 and the dropping funnel 1, make that the liquid in the dropping funnel 1 has bigger pressure when getting into the gap of isolated cover body 4 of air and following minim pipette 3; And this pressure is far longer than down the pressure of air residual in the minim pipette 3; Therefore, the liquid in dropping funnel 1 can get into the gap of isolated cover body 4 of air and following minim pipette 3 fast, and from bottom to top flows into minim pipette 3 down; Liquid from bottom to top flows into down in the process of minim pipette 3; Liquid that can not produces bubble simultaneously, and the liquid of minim pipette 3 can will descend air residual in the minim pipette 3 to exclude with fast speed under getting into, and can prevent effectively that bubble from producing.
The isolated cover body 4 of air can prevent minim pipette 3 under the air admission, prevents that effectively bubble from producing.In addition, when the liquid in the dropping funnel 1 produced bubble, when liquid entering gas-tight bubbled out liquid bath 5, as long as bubble one contact gas-tight bubbles out the cell wall of liquid bath 5, bubble was just shattered to pieces rapidly, and gas-tight bubbles out liquid bath 5 can prevent effectively that bubble from getting into minim pipette 3 down.
This utility model is simple in structure, and production cost is low, can realize automatically, get rid of fast, up hill and dale the purpose of the air in the transfusion device, does not need medical personnel to carry out bleeding, and exhaust velocity is fast, and is safe and reliable.
Wherein, the isolated cover body 4 of said air is provided with projective structure 6, and said minim pipette 3 down is provided with position limiting structure 7, and said projective structure 6 cooperates with said position limiting structure 7.When present embodiment is in running order; The isolated cover body 4 of air is inverted the outer wall that is covered in down minim pipette 3, and projective structure 6 cooperates with position limiting structure 7, and the isolated cover body 4 of air closely is connected with following minim pipette 3; Secluding air gets into minim pipette 3 down effectively, prevents the generation of bubble.
Wherein, said gas-tight bubbles out liquid bath 5 and is two or more.Two or more gas-tight bubbles out liquid bath 5 and distributes equably, makes liquid get into down minim pipette 3 equably.
embodiment 2.
As shown in Figure 3, the difference of present embodiment and embodiment 1 is: the inboard of the isolated cover body 4 of the said air of present embodiment is provided with groove 8, and said minim pipette 3 down is provided with step 9, and said groove 8 cooperates with said step 9.When present embodiment is in running order; The isolated cover body 4 of air is inverted the outer wall that is covered in down minim pipette 3, and the isolated cover body 4 of air is connected with the mode that step 9 cooperates through groove 8 with following minim pipette 3, connects closely; The more effectively isolated air of minim pipette 3 down that gets into prevents the generation of bubble.
Unaccounted in the present embodiment characteristic adopts the explanation among the embodiment 1, no longer gives unnecessary details at this.
As shown in Figure 4, the difference of present embodiment and embodiment 1 is: the said minim pipette 3 down of present embodiment is provided with the gas-tight that makes liquid from bottom to top flow into down minim pipette 3 and bubbles out liquid bath 5.
Wherein, the inboard of the isolated cover body 4 of said air is provided with groove 8, and said minim pipette 3 down is provided with step 9, and said groove 8 cooperates with said step 9.Said step 9 is provided with the gas-tight that makes liquid from bottom to top flow into said following minim pipette 3 and bubbles out liquid bath 5, and the lower edge of the isolated cover body 4 of said air is higher than the lower edge that said gas-tight bubbles out liquid bath 5.When present embodiment is in running order; The isolated cover body 4 of air is inverted the outer wall that is covered in step 9; 1/2 of step 9 is arranged in the dropping funnel 1; Other 1/2 is arranged at outside the dropping funnel 1, the height that gas-tight bubbles out liquid bath 5 be about step 9 height 1/4, the lower edge of the isolated cover body 4 of air is higher than the lower edge that said gas-tight bubbles out liquid bath 5.
The gas-tight of present embodiment bubbles out the step 9 that liquid bath 5 is arranged at down minim pipette 3, and it is lower that gas-tight bubbles out the position of liquid bath 5, and liquid more easily, promptly gets into gas-tight and bubbles out liquid bath 5, the exhaust velocity that makes this utility model more fast, more stable.
Unaccounted in the present embodiment characteristic adopts the explanation among the embodiment 1, no longer gives unnecessary details at this.
Shown in Fig. 5 ~ 7; The difference of present embodiment and embodiment 2 is: the bottom of the said dropping funnel 1 of present embodiment is provided with kelly 10; The bottom of the isolated cover body 4 of said air has extended round platform 14, and said round platform 14 is provided with draw-in groove 11, and said kelly 10 closely cooperates with said draw-in groove 11.
The dropping funnel 1 of present embodiment is connected through the isolated cover body 4 of air with following minim pipette 3, and dropping funnel 1 removably is connected with the isolated cover body 4 of air.
The dropping funnel 1 of present embodiment, following minim pipette 3, the isolated cover body 4 of air are independently parts; All very convenient aspect processing and assembling; And the production and processing and the product that do not influence whole transfusion device assemble; Existing transfusion device manufacturing enterprise can both realize the production of this utility model under the prerequisite of the production mould that does not change existing traditional infusion device, processing technique, production procedure and product structure.
Unaccounted in the present embodiment characteristic adopts the explanation among the embodiment 2, no longer gives unnecessary details at this.
As shown in Figure 8, the difference of present embodiment and embodiment 4 is: the said minim pipette 3 down of present embodiment comprises that first time minim pipette 12 and 13, the first times minim pipettes 12 of second time minim pipette removably are connected with second time minim pipette 13; The junction of first time minim pipette 12 and second time minim pipette 13 is provided with filtration.First time minim pipette 12 can adopt the mode that is threaded to be connected with second time minim pipette 13; After also can adopting the mode of clamping to connect also mounting filtering structure therein, adopt yellow ethyl ketone bonding.
Wherein, said filtration is drainage screen or filter membrane.Drainage screen or filter membrane be impurity, the bubble in the filter liquide further, makes the liquid of conveying safer.
Unaccounted in the present embodiment characteristic adopts the explanation among the embodiment 4, no longer gives unnecessary details at this.
The above embodiment; It is the preferred embodiments of this utility model; Be not to limit this utility model practical range; So all equivalences of doing according to the described structure of this utility model claim, characteristic and principle change or modify, and all should comprise in this utility model patent claim.
Claims (10)
1. quick exhaust transfusion device of structure improved anti-bubble; It comprises dropping funnel; The upper end of said dropping funnel is connected with last minim pipette, and the bottom of said dropping funnel is connected with following minim pipette, it is characterized in that: comprise that also air completely cuts off cover body; The isolated cover body of said air cooperates with said minim pipette down, and isolated cover body of said air or said minim pipette down are provided with the gas-tight that makes liquid from bottom to top flow into down minim pipette and bubble out liquid bath.
2. the quick exhaust transfusion device of a kind of structure improved anti-bubble according to claim 1; It is characterized in that: the isolated cover body of said air is provided with the gas-tight that liquid is from bottom to top flowed in the said minim pipette down and bubbles out liquid bath; The isolated cover body of said air is provided with projective structure; Said minim pipette down is provided with position limiting structure, and said projective structure cooperates with said position limiting structure.
3. the quick exhaust transfusion device of a kind of structure improved anti-bubble according to claim 1; It is characterized in that: the isolated cover body of said air is provided with the gas-tight that liquid is from bottom to top flowed in the said minim pipette down and bubbles out liquid bath; The inboard of the isolated cover body of said air is provided with groove; Said minim pipette down is provided with step, and said groove cooperates with said step.
4. the quick exhaust transfusion device of a kind of structure improved anti-bubble according to claim 1; It is characterized in that: said minim pipette down is provided with the gas-tight that makes liquid from bottom to top flow into down minim pipette and bubbles out liquid bath; The inboard of the isolated cover body of said air is provided with groove; Said minim pipette down is provided with step, and said groove cooperates with said step; Said step is provided with the gas-tight that makes liquid from bottom to top flow into said following minim pipette and bubbles out liquid bath, and the lower edge of the isolated cover body of said air is higher than the lower edge that said gas-tight bubbles out liquid bath.
5. the quick exhaust transfusion device of a kind of structure improved anti-bubble according to claim 3; It is characterized in that: the bottom of said dropping funnel is provided with kelly; The bottom of the isolated cover body of said air has extended round platform, and said round platform is provided with draw-in groove, and said kelly and said draw-in groove closely cooperate.
6. the quick exhaust transfusion device of a kind of structure improved anti-bubble according to claim 5 is characterized in that: said minim pipette down comprises first time minim pipette and second time minim pipette, and first time minim pipette removably is connected with second time minim pipette; The junction of first time minim pipette and second time minim pipette is provided with filtration.
7. the quick exhaust transfusion device of a kind of structure improved anti-bubble according to claim 6, it is characterized in that: first time minim pipette and second time minim pipette are threaded.
8. the quick exhaust transfusion device of a kind of structure improved anti-bubble according to claim 6, it is characterized in that: said filtration is a drainage screen.
9. the quick exhaust transfusion device of a kind of structure improved anti-bubble according to claim 6, it is characterized in that: said filtration is a filter membrane.
10. according to any quick exhaust transfusion device of described a kind of structure improved anti-bubble of claim 1 ~ 9, it is characterized in that: said gas-tight bubbles out liquid bath and is two or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203241872U CN202283374U (en) | 2011-08-31 | 2011-08-31 | Bubble-proof infusion apparatus with improved structure and rapid exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203241872U CN202283374U (en) | 2011-08-31 | 2011-08-31 | Bubble-proof infusion apparatus with improved structure and rapid exhaust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202283374U true CN202283374U (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203241872U Expired - Fee Related CN202283374U (en) | 2011-08-31 | 2011-08-31 | Bubble-proof infusion apparatus with improved structure and rapid exhaust |
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| Country | Link |
|---|---|
| CN (1) | CN202283374U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319462A (en) * | 2011-08-31 | 2012-01-18 | 魏颖德 | Bubble-prevention fast exhaust transfusion device with improved structure |
-
2011
- 2011-08-31 CN CN2011203241872U patent/CN202283374U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319462A (en) * | 2011-08-31 | 2012-01-18 | 魏颖德 | Bubble-prevention fast exhaust transfusion device with improved structure |
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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 |
Granted publication date: 20120627 Termination date: 20140831 |
|
| EXPY | Termination of patent right or utility model |