CN203815961U - Infusion apparatus for preventing air from entering blood - Google Patents
Infusion apparatus for preventing air from entering blood Download PDFInfo
- Publication number
- CN203815961U CN203815961U CN201420120415.8U CN201420120415U CN203815961U CN 203815961 U CN203815961 U CN 203815961U CN 201420120415 U CN201420120415 U CN 201420120415U CN 203815961 U CN203815961 U CN 203815961U
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- Prior art keywords
- transfusion
- floating plug
- tube
- floating
- blood
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Abstract
The utility model discloses an infusion apparatus for preventing air from entering blood. The infusion apparatus comprises an infusion needle, an infusion pipe, a drip cup and a bottle insertion needle, wherein the infusion pipe is provided with a liquid flow rate adjuster, the bottle insertion needle is arranged at the top of the drip cup, and the bottom of the drip cup is of an inclined structure; a floating plug is arranged in the drip cup and comprises a floating plug top, wherein a leak-proof film ring is arranged around the floating plug top, a circular truncated cone-shaped floating plug bottom is arranged at the lower end of the floating plug top, and the bottom diameter of the floating plug bottom is less than that of the inner part of the infusion pipe; a guide plug rod is fixedly connected into the middle of the floating plug bottom; the diameter of the guide plug rod is sequentially reduced from top to bottom, and the guide plug rod is located in the infusion pipe. According to the infusion apparatus, the problems that the infusion apparatus is unsafe to use, air enters the blood and the like can be overcome in the prior art, and the infusion apparatus has the characteristics of being simple in structure, safe, reliable, low in price, convenient to use and the like.
Description
Technical field
This utility model relates to medical instruments field, is specifically a kind ofly to prevent that air from entering the transfusion device of blood.
Background technology
In medical treatment and nursing process, venous transfusion is a kind of very common treatment means.Venous transfusion can be directly to blood circulation of human body system infused drug, and can supplement the electrolyte of body fluid rapid, high volume, has become treatment and the emergency treatment technique that clinical the next item up is conventional now.Yet, in infusion process, if dripping off, liquid fails to change in time, and likely cause large quantity of air to enter in blood circulation of human body system, thereby bring out gas embolism phenomenon, cause that patient is uncomfortable, be even in peril of one's life.Obviously, prior art tube for transfusion exists air to enter human body, causes that patient is uncomfortable, and the problem such as be even in peril of one's life.
Utility model content
The purpose of this utility model is to overcome the deficiency that above prior art exists, and provides a kind of simple in structure, safe and reliable, low cost and the easy to use air that prevents to enter the transfusion device of blood.
In order to achieve the above object, this utility model by the following technical solutions: a kind ofly prevent that air from entering the transfusion device of blood, comprise the transfusion needle, the tube for transfusion that connect successively, drip kettle and needle for inserting bottle; Wherein, tube for transfusion is provided with flow rate of liquid actuator, drips kettle top needle for inserting bottle is set, and dripping kettle bottom is incline structure, drip in kettle floating plug is set, floating plug comprises floating plug top, and floating plug top periphery arranges leakproof thin film circle, at the bottom of lower end, floating plug top arranges the floating plug of truncated cone-shaped, base diameter at the bottom of floating plug is less than the diameter of tube for transfusion inside, at the bottom of floating plug, centre position is fixedly connected with and leads stopper rod, leads stopper rod diameter and reduces successively from top to bottom, leads stopper rod in tube for transfusion.
In order further to improve safety, also comprise separator tube, the tube for transfusion that drips kettle lower end is connected to separator tube top, the tube for transfusion of separator tube bottom is inserted in separator tube, this transfusion pipeline section is for protruding transfusion pipeline section, protrude transfusion pipeline section top cylindrical floating head is set, floating head top is hollow structure, floating head middle part is connecting portion, floating head middle and lower part is solid construction, centre position, floating head bottom is provided with the mounting groove protruding on transfusion pipeline section for being set in, mounting groove top arranges leakage proof gasket, mounting groove centre position arranges to lead covers bar, lead and cover shank diameter and reduce successively from top to bottom, lead and cover bar in tube for transfusion, the tube for transfusion of separator tube lower end connects transfusion needle.
In order to save material, control transfusion speed, improve safety, middle and lower part, described kettle inside horizontally set is with the first limited block of through hole.
In order to save material, control transfusion speed, further improve safety, the inner middle and lower part of described separator tube horizontally set is with the second limited block of through hole.
For the ease of stopping up, improve result of use, at the bottom of described floating plug top and floating plug, be split-type structural, floating plug push up with floating plug at the bottom of by flexible wires, be connected.
Preferably, the density at the bottom of described floating plug top and floating plug is all less than the fluid density of transfusion.
In order to make plug for seal at the bottom of floating plug, described floating plug top is cylindrical hollow configuration, and floating plug top is than heavy at the bottom of floating plug.
Preferably, described leakproof thin film circle is medical plastic.
In order to save material, be convenient to guiding, described in lead stopper rod length be 5～8cm.
Preferably, described leakage proof gasket is medical film, and leakage proof gasket area is greater than the area that protrudes tube for transfusion.
Operation principle of the present utility model: a kind ofly prevent that air from entering the transfusion device of blood, comprise the transfusion needle, the tube for transfusion that connect successively, drip kettle and needle for inserting bottle; Wherein, tube for transfusion is provided with flow rate of liquid actuator, drips kettle top needle for inserting bottle is set, and dripping kettle bottom is incline structure, drip in kettle floating plug is set, floating plug comprises floating plug top, and floating plug top periphery arranges leakproof thin film circle, at the bottom of lower end, floating plug top arranges the floating plug of truncated cone-shaped, base diameter at the bottom of floating plug is less than the diameter of tube for transfusion inside, at the bottom of floating plug, centre position is fixedly connected with and leads stopper rod, leads stopper rod diameter and reduces successively from top to bottom, leads stopper rod in tube for transfusion.
When liquid is full of, floating plug moves upward, liquid proper motion, when liquid reduces, owing to leading the effect of stopper rod, floating plug moves downward, and liquid arrives while dripping kettle bottom, floating plug top can seal up drips kettle bottom for incline structure part, due to leakproof thin film circle being set, good sealing effect, now, also can clogging tube for transfusion at the bottom of floating plug, now form double sealing structure, security performance is greatly improved, and leads stopper rod diameter and reduces successively from top to bottom, can control infusion flow, safety is improved.
This utility model, with respect to prior art, has following advantage and effect:
1, this utility model comprises transfusion needle, tube for transfusion, droplet kettle and the needle for inserting bottle connecting successively; Wherein, tube for transfusion is provided with flow rate of liquid actuator, drip kettle top needle for inserting bottle is set, dripping kettle bottom is incline structure, drip in kettle floating plug is set, floating plug comprises floating plug top, floating plug top periphery arranges leakproof thin film circle, at the bottom of lower end, floating plug top arranges the floating plug of truncated cone-shaped, base diameter at the bottom of floating plug is less than the diameter of tube for transfusion inside, and at the bottom of floating plug, centre position is fixedly connected with and leads stopper rod, leads stopper rod diameter and reduces successively from top to bottom, lead stopper rod in tube for transfusion, there is simple in structure, safe and reliable, low cost and the advantage such as easy to use.
2, this utility model also comprises separator tube, the tube for transfusion that drips kettle lower end is connected to separator tube top, the tube for transfusion of separator tube bottom is inserted in separator tube, this transfusion pipeline section is for protruding transfusion pipeline section, protrude transfusion pipeline section top cylindrical floating head is set, floating head top is hollow structure, floating head middle part is connecting portion, floating head middle and lower part is solid construction, centre position, floating head bottom is provided with the mounting groove protruding on transfusion pipeline section for being set in, mounting groove top arranges leakage proof gasket, mounting groove centre position arranges to lead covers bar, lead and cover shank diameter and reduce successively from top to bottom, lead and cover bar in tube for transfusion, the tube for transfusion of separator tube lower end connects transfusion needle, can further improve safety in utilization, when floating plug structural failure, floating head can guarantee its safety.
3, in this utility model, drip the inner middle and lower part of kettle horizontally set with the first limited block of through hole, the inner middle and lower part of separator tube horizontally set is with the second limited block of through hole, now, leads stopper rod and leads and cover bar and can shorten accordingly, also can, to liquid flow-limited, increase security performance simultaneously.
4, at the bottom of the top of the floating plug in this utility model and floating plug, be split-type structural, at the bottom of floating plug top and floating plug, by flexible wires, be connected, floating plug top is cylindrical hollow configuration, and floating plug top is than weighing at the bottom of floating plug, at the bottom of can compressing floating plug, firmly, the benefit of Split type structure is to be convenient to processing in sealing, changes, on the other hand, just in case leak, can guarantee that one can be used, improve safety.
5, the length of leading stopper rod in this utility model is 5～8cm, and leading the length of covering bar is 5～8cm, the experiment proved that, current limliting and be most suitable with material, reaches best cost performance, can effectively improve safety on the other hand.
Accompanying drawing explanation
Fig. 1 a kind ofly prevents that air from entering the overall structure schematic diagram of the transfusion device of blood;
Fig. 2 is the structural representation of embodiment 2 in this utility model;
Fig. 3 is the structural representation of embodiment 3 in this utility model;
Fig. 4 is the structural representation of the first limited block in this utility model;
Fig. 5 is the structural representation of floating plug in this utility model.
Number in the figure and title are as follows:
| 1 | Transfusion needle | 2 | Tube for transfusion |
| 3 | Drip kettle | 4 | Needle for inserting bottle |
| 5 | Flow rate of liquid actuator | 6 | Drip the incline structure of kettle bottom |
| 7 | Floating plug top | 8 | Leakproof thin film circle |
| 9 | At the bottom of floating plug | 10 | Lead stopper rod |
| 11 | Separator tube | 12 | Protrude transfusion pipeline section |
| 13 | Floating head | 14 | Mounting groove |
| 15 | Leakage proof gasket | 16 | Lead and cover bar |
| 17 | The first limited block | 18 | The second limited block |
| 19 | Flexible wires | ? | ? |
The specific embodiment
For ease of it will be appreciated by those skilled in the art that the utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment 1:
As shown in Fig. 1 and 5, a kind ofly prevent that air from entering the transfusion device of blood, comprise the transfusion needle 1, the tube for transfusion 2 that connect successively, drip kettle 3 and needle for inserting bottle 4; Wherein, tube for transfusion 2 is provided with flow rate of liquid actuator 5, drips kettle 3 tops needle for inserting bottle 4 is set, and drips kettle 3 bottoms and is provided with incline structure 6, drip the interior floating plug that arranges of kettle 3, floating plug comprises floating plug top 7, and floating plug pushes up 7 peripheries leakproof thin film circle 8 is set, and floating plug pushes up at the bottom of the floating plug that 7 lower ends arrange truncated cone-shaped 9, at the bottom of floating plug, 9 base diameter is less than the diameter of tube for transfusion 2 inside, at the bottom of floating plug, 9 centre positions are fixedly connected with and lead stopper rod 10, lead stopper rod 10 diameters and reduce successively from top to bottom, lead stopper rod 10 in tube for transfusion 2.
At the bottom of floating plug top 7 and floating plug, 9 density is all less than the fluid density of transfusion, and leakproof thin film circle 8 is medical plastic, and the length of leading stopper rod 10 is 5～8cm.
Embodiment 2:
As shown in Figure 2, the present embodiment difference from Example 1 is: the present embodiment also comprises separator tube 11, the tube for transfusion 2 that drips kettle 3 lower ends is connected to separator tube 11 tops, the tube for transfusion 2 of separator tube 11 bottoms is inserted in separator tube 11, this transfusion pipeline section is for protruding transfusion pipeline section 12, protrude transfusion pipeline section 12 tops cylindrical floating head 13 is set, floating head 13 tops are hollow structure, floating head 13 middle parts are connecting portion, floating head 13 middle and lower parts are solid construction, floating head 13 centre positions, bottom are provided with the mounting groove 14 protruding on transfusion pipeline section 12 for being set in, mounting groove 14 tops arrange leakage proof gasket 15, mounting groove 14 centre positions arrange to lead covers bar 16, lead and cover bar 16 diameters and reduce successively from top to bottom, lead and cover bar 16 in tube for transfusion 2, the tube for transfusion 2 of separator tube 11 lower ends connects transfusion needle 1, leakage proof gasket 15 is medical film, leakage proof gasket 15 areas are greater than the area that protrudes tube for transfusion 12, floating head 13 middle and lower parts are that solid construction purpose of design is to make floating head 13 middle and lower parts always under liquid level, guarantee result of use.
Embodiment 3:
As shown in Figures 3 and 4, the present embodiment difference from Example 2 is: the present embodiment drips the inner middle and lower part of kettle 3 horizontally set with the first limited block 17 of through hole, the inner middle and lower part of separator tube 11 horizontally set is with the second limited block 17 of through hole, at the bottom of floating plug top 7 and floating plug, 9 is split-type structural, at the bottom of floating plug top 7 and floating plug, 9 use flexible wires 19 are connected, floating plug top 7 is cylindrical hollow configuration, and floating plug top 7 is than 9 weights at the bottom of floating plug.
The above-mentioned specific embodiment is preferred embodiment of the present utility model; can not limit this utility model; other any change that does not deviate from the technical solution of the utility model and make or other equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (10)
1. prevent that air from entering a transfusion device for blood, is characterized in that: comprise the transfusion needle, tube for transfusion, droplet kettle and the needle for inserting bottle that connect successively; Wherein, tube for transfusion is provided with flow rate of liquid actuator, drips kettle top needle for inserting bottle is set, and dripping kettle bottom is incline structure, drip in kettle floating plug is set, floating plug comprises floating plug top, and floating plug top periphery arranges leakproof thin film circle, at the bottom of lower end, floating plug top arranges the floating plug of truncated cone-shaped, base diameter at the bottom of floating plug is less than the diameter of tube for transfusion inside, at the bottom of floating plug, centre position is fixedly connected with and leads stopper rod, leads stopper rod diameter and reduces successively from top to bottom, leads stopper rod in tube for transfusion.
2. according to claim 1ly prevent that air from entering the transfusion device of blood, it is characterized in that: also comprise separator tube, the tube for transfusion that drips kettle lower end is connected to separator tube top, the tube for transfusion of separator tube bottom is inserted in separator tube, this transfusion pipeline section is for protruding transfusion pipeline section, protrude transfusion pipeline section top cylindrical floating head is set, floating head top is hollow structure, floating head middle part is connecting portion, floating head middle and lower part is solid construction, centre position, floating head bottom is provided with the mounting groove protruding on transfusion pipeline section for being set in, mounting groove top arranges leakage proof gasket, mounting groove centre position arranges to lead covers bar, lead and cover shank diameter and reduce successively from top to bottom, lead and cover bar in tube for transfusion, the tube for transfusion of separator tube lower end connects transfusion needle.
3. according to claim 1ly prevent that air from entering the transfusion device of blood, is characterized in that: the described inner middle and lower part of kettle horizontally set is with the first limited block of through hole.
4. according to claim 2ly prevent that air from entering the transfusion device of blood, is characterized in that: the inner middle and lower part of described separator tube horizontally set is with the second limited block of through hole.
5. according to claim 1ly prevent that air from entering the transfusion device of blood, is characterized in that: at the bottom of described floating plug top and floating plug, be split-type structural, floating plug push up with floating plug at the bottom of by flexible wires, be connected.
6. according to claim 1ly prevent that air from entering the transfusion device of blood, is characterized in that: the density at the bottom of described floating plug top and floating plug is all less than the fluid density of transfusion.
7. according to claim 5ly prevent that air from entering the transfusion device of blood, is characterized in that: described floating plug top is cylindrical hollow configuration, and floating plug top is than heavy at the bottom of floating plug.
8. according to claim 1ly prevent that air from entering the transfusion device of blood, is characterized in that: described leakproof thin film circle is medical plastic.
9. according to claim 1ly prevent that air from entering the transfusion device of blood, is characterized in that: described in lead stopper rod length be 5～8cm.
10. according to claim 2ly prevent that air from entering the transfusion device of blood, is characterized in that: described leakage proof gasket is medical film, leakage proof gasket area is greater than the area that protrudes tube for transfusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420120415.8U CN203815961U (en) | 2014-03-18 | 2014-03-18 | Infusion apparatus for preventing air from entering blood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420120415.8U CN203815961U (en) | 2014-03-18 | 2014-03-18 | Infusion apparatus for preventing air from entering blood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203815961U true CN203815961U (en) | 2014-09-10 |
Family
ID=51471510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420120415.8U Expired - Fee Related CN203815961U (en) | 2014-03-18 | 2014-03-18 | Infusion apparatus for preventing air from entering blood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203815961U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106581806A (en) * | 2015-10-20 | 2017-04-26 | 湖南省绿洲惠康发展有限公司 | Disposable self-sealed automatic liquid-stopping transfusion device |
| GB2574794A (en) * | 2018-05-02 | 2019-12-25 | Aquacheck Engineering H Ltd | Pipeline leak locating device |
-
2014
- 2014-03-18 CN CN201420120415.8U patent/CN203815961U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106581806A (en) * | 2015-10-20 | 2017-04-26 | 湖南省绿洲惠康发展有限公司 | Disposable self-sealed automatic liquid-stopping transfusion device |
| CN106581806B (en) * | 2015-10-20 | 2023-02-28 | 湖南省绿洲惠康发展有限公司 | Disposable self-closed automatic liquid-stopping infusion apparatus |
| GB2574794A (en) * | 2018-05-02 | 2019-12-25 | Aquacheck Engineering H Ltd | Pipeline leak locating device |
| GB2574794B (en) * | 2018-05-02 | 2020-09-16 | Aquacheck Engineering H Ltd | Pipeline leak locating device |
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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: 20140910 Termination date: 20180318 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |