CN216169178U - Transfusion system dropper with floating ball backflow prevention and air functions - Google Patents
Transfusion system dropper with floating ball backflow prevention and air functions Download PDFInfo
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- CN216169178U CN216169178U CN202120400499.0U CN202120400499U CN216169178U CN 216169178 U CN216169178 U CN 216169178U CN 202120400499 U CN202120400499 U CN 202120400499U CN 216169178 U CN216169178 U CN 216169178U
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Abstract
The utility model discloses an infusion set dropper with floating ball backflow prevention and air functions, and particularly relates to the technical field of infusion set droppers, wherein the infusion set dropper comprises a dropper body, wherein a sealing mechanism is arranged in the dropper body; sealing mechanism includes the input tube, burette body bottom mounting is equipped with the output pipeline, input tube and output pipeline inner wall are all fixed and are equipped with the backup pad, two all inlayed the otter board in the backup pad, two be equipped with the guide bar between the backup pad, the guide bar outer end cover is equipped with the ball sealer, the fixed first baffle that is equipped with in guide bar outer end, the fixed first sealing washer that is equipped with in guide bar outer end, the fixed second baffle that is equipped with in guide bar outer end, the fixed second sealing washer that is equipped with in guide bar outer end. The bottom end of the input pipeline can be sealed through the sealing mechanism, the top end of the output pipeline can also be sealed, backflow of liquid medicine and blood is avoided, air can be prevented from entering the blood, and the safety is higher.
Description
Technical Field
The utility model relates to the technical field of infusion apparatus droppers, in particular to an infusion apparatus dropper with floating ball backflow prevention and air functions.
Background
The Murphy dropper is translated into a Murphy dropper, also called a drip cup and a drip funnel, is a medical appliance and is an important component in a transfusion tube, belongs to the penultimate structure of a disposable transfusion device, and has the functions of displaying the dropping speed and exhausting air for the first time, and can be used for adding medicines in an emergency.
The prior art has the following defects: most of transfusion system burettes structural design is not perfect enough, and liquid medicine flows back easily when inside storage liquid medicine of burette is more, causes blood backward flow easily when the burette is inside not having liquid medicine, and is not safe enough.
SUMMERY OF THE UTILITY MODEL
Therefore, the dropper of the infusion apparatus with the functions of preventing the floating ball from flowing back and preventing air is provided, the bottom end of the input pipeline can be sealed through the sealing mechanism, the top end of the output pipeline can also be sealed, the backflow of liquid medicine and blood is avoided, air can also be prevented from entering blood, and the dropper is safer, so that the problems that in the prior art, due to the fact that most dropper of the infusion apparatus are not complete in structural design, the liquid medicine is easy to flow back when the liquid medicine is stored in the dropper, the backflow of blood is easy to cause when the liquid medicine is not stored in the dropper, and the safety is not enough are solved.
In order to achieve the above purpose, the utility model provides the following technical scheme: a dropper of an infusion apparatus with functions of preventing floating balls from flowing back and air comprises a dropper body, wherein a sealing mechanism is arranged inside the dropper body;
the sealing mechanism comprises an input pipeline, the input pipeline is fixedly arranged at the top end of the dropper body, the bottom end of the dropper body is fixedly provided with an output pipeline, the inner walls of the input pipeline and the output pipeline are fixedly provided with supporting plates, two supporting plates are embedded with a screen plate, a guide rod is arranged between the two supporting plates and arranged inside the dropper body, the outer end of the guide rod is sleeved with a sealing ball, the outer end of the guide rod is fixedly provided with a first baffle plate, the outer end of the guide rod is fixedly provided with a first sealing ring, the top end of the first sealing ring is fixedly connected with the bottom end of the first baffle plate, the first baffle plate and the first sealing ring are both arranged inside the input pipeline, the outer end of the guide rod is fixedly provided with a second baffle plate, the outer end of the guide rod is fixedly provided with a second sealing ring, and the bottom end of the second sealing ring is fixedly connected with the top end of the second baffle plate, the second baffle and the second sealing ring are arranged inside the output pipeline, the diameters of the first sealing ring and the second sealing ring are the same as the aperture of the sealing ball, and the diameters of the first baffle and the second baffle are larger than the diameters of the first sealing ring and the second sealing ring.
Further, a first fixing ring is fixedly arranged at the top end of the dropper body, and the top end of the input pipeline penetrates through the first fixing ring.
Furthermore, a first connecting ring is fixedly arranged at the top end of the input pipeline.
Further, the bottom end of the dropper body is fixedly provided with a second fixing ring, and the bottom end of the output pipeline penetrates through the second fixing ring.
Further, a second connecting ring is fixedly arranged at the bottom end of the output pipeline.
Furthermore, a graduated scale is fixedly arranged at the front end of the dropper body.
Furthermore, a cavity is formed in the sealing ball.
The utility model has the following advantages:
according to the utility model, when more liquid medicine is stored in the dropper body, the sealing ball moves upwards along the sealing ball under the buoyancy effect of the liquid medicine and enters the input pipeline, the bottom end of the first sealing ring gradually enters the inside of the aperture of the sealing ball, the aperture of the sealing ball is sealed by using the first sealing ring, when less liquid medicine is stored in the dropper body, the sealing ball does not receive the buoyancy of the liquid medicine and falls into the output pipeline along the guide rod, the bottom end of the second sealing ring gradually enters the inside of the aperture of the sealing ball, and the aperture of the sealing ball is sealed by using the second sealing ring.
Drawings
FIG. 1 is a schematic view of the overall structure provided by the present invention;
FIG. 2 is a cross-sectional view of the overall structure provided by the present invention;
FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the portion B of FIG. 2 according to the present invention;
FIG. 5 is an enlarged view of the structure of portion C of FIG. 2 according to the present invention;
FIG. 6 is a perspective view of a support plate provided by the present invention;
in the figure: the dropper comprises a dropper body 1, a first fixing ring 2, an input pipeline 3, a first connecting ring 4, a graduated scale 5, a support plate 6, a screen plate 7, a guide rod 8, a sealing ball 9, a cavity 10, a first baffle 11, a first sealing ring 12, a second baffle 13, a second sealing ring 14, a second fixing ring 15, an output pipeline 16 and a second connecting ring 17.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
With reference to the attached drawings 1-6 of the specification, the dropper of the infusion apparatus with the floating ball backflow prevention and air function of the embodiment comprises a dropper body 1, wherein a sealing mechanism is arranged inside the dropper body 1;
the sealing mechanism comprises an input pipeline 3, the input pipeline 3 is fixedly arranged at the top end of a dropper body 1, an output pipeline 16 is fixedly arranged at the bottom end of the dropper body 1, supporting plates 6 are fixedly arranged on the inner walls of the input pipeline 3 and the output pipeline 16, a mesh plate 7 is inlaid on each of the two supporting plates 6, a guide rod 8 is arranged between the two supporting plates 6, the guide rod 8 is arranged inside the dropper body 1, a sealing ball 9 is sleeved outside the guide rod 8, a first baffle plate 11 is fixedly arranged at the outer end of the guide rod 8, a first sealing ring 12 is fixedly arranged at the outer end of the guide rod 8, the top end of the first sealing ring 12 is fixedly connected with the bottom end of the first baffle plate 11, the first baffle plate 11 and the first sealing ring 12 are both arranged inside the input pipeline 3, a second baffle plate 13 is fixedly arranged at the outer end of the guide rod 8, and a second sealing ring 14 is fixedly arranged at the outer end of the guide rod 8, the bottom end of the second sealing ring 14 is fixedly connected with the top end of the second baffle 13, the second baffle 13 and the second sealing ring 14 are both arranged inside the output pipeline 16, the diameters of the first sealing ring 12 and the second sealing ring 14 are the same as the aperture of the sealing ball 9, and the diameters of the first baffle 11 and the second baffle 13 are larger than the diameters of the first sealing ring 12 and the second sealing ring 14.
Further, the top end of the dropper body 1 is fixedly provided with a first fixing ring 2, the top end of the input pipeline 3 penetrates through the first fixing ring 2, and the first fixing ring 2 plays a reinforcing role.
Furthermore, a first connecting ring 4 is fixedly arranged at the top end of the input pipeline 3, and the first connecting ring 4 is a conveying pipeline convenient for connecting the bottom end of an infusion bottle.
Further, a second fixing ring 15 is fixedly arranged at the bottom end of the dropper body 1, the bottom end of the output pipeline 16 penetrates through the second fixing ring 15, and the second fixing ring 15 plays a role in reinforcement.
Further, a second connection ring 17 is fixedly arranged at the bottom end of the output pipeline 16, and the second connection ring 17 is a delivery pipeline for conveniently connecting the needle.
Furthermore, a graduated scale 5 is fixedly arranged at the front end of the dropper body 1, and the graduated scale 5 is convenient for a user to accurately read the volume inside the dropper body 1.
Furthermore, the sealing ball 9 is provided with a cavity 10, and the cavity 10 is formed in the sealing ball 9 to reduce the weight of the sealing ball 9 and facilitate the floating of the sealing ball 9.
The implementation scenario is specifically as follows: when the dropper is used, the dropper body 1 is connected with a conveying pipeline at the bottom end of an infusion bottle through the first connecting ring 4, the needle head is connected with the conveying pipeline through the second connecting ring 17, the capacity of liquid medicine stored in the dropper body 1 can be observed through the graduated scale 5, when more liquid medicine is stored in the dropper body 1, the sealing ball 9 can move upwards along the sealing ball 9 under the buoyancy action of the liquid medicine and enters the input pipeline 3, the bottom end of the first sealing ring 12 can gradually enter the inside of the aperture of the sealing ball 9, the aperture of the sealing ball 9 is sealed by the first sealing ring 12, the bottom end of the input pipeline 3 can be sealed by the sealing ball 9 at the moment, the liquid medicine can be prevented from flowing back, when less liquid medicine is stored in the dropper body 1, the sealing ball 9 is free from the buoyancy of the liquid medicine and falls inside the output pipeline 16 along the guide rod 8, and the bottom end of the second sealing ring 14 can gradually enter the inside of the aperture of the sealing ball 9, the aperture of the sealing ball 9 is sealed by the second sealing ring 14, at the moment, the sealing ball 9 can seal the top end of the output pipeline 16, so that air can be prevented from entering blood, blood backflow can be avoided, and the safety can be improved, the guide rod 8 plays a role in guiding, the cavity 10 is formed in the sealing ball 9, so that the weight of the sealing ball 9 is reduced, and the sealing ball 9 can better float conveniently, the bottom end of the input pipeline 3 can be sealed by the sealing mechanism, the top end of the output pipeline 16 can also be sealed, liquid medicine and blood backflow can be avoided, air can be prevented from entering blood, the safety is improved, the implementation mode particularly solves the problems that most of infusion sets in the prior art are not complete in structural design, liquid medicine easily flows back when liquid medicine is stored in the infusion set, and blood backflow is easily caused when no liquid medicine is stored in the infusion set, the safety is not enough.
Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.
Claims (7)
1. The utility model provides an transfusion system burette with floater anti-return and air function, includes burette body (1), its characterized in that: a sealing mechanism is arranged inside the dropper body (1);
the sealing mechanism comprises an input pipeline (3), the input pipeline (3) is fixedly arranged at the top end of the dropper body (1), an output pipeline (16) is fixedly arranged at the bottom end of the dropper body (1), supporting plates (6) are fixedly arranged on the inner walls of the input pipeline (3) and the output pipeline (16), a screen plate (7) is inlaid on each of the two supporting plates (6), a guide rod (8) is arranged between the two supporting plates (6), the guide rod (8) is arranged inside the dropper body (1), a sealing ball (9) is sleeved outside the guide rod (8), a first baffle (11) is fixedly arranged at the outer end of the guide rod (8), a first sealing ring (12) is fixedly arranged at the outer end of the guide rod (8), the top end of the first sealing ring (12) is fixedly connected with the bottom end of the first baffle (11), the first baffle (11) and the first sealing ring (12) are both arranged inside the input pipeline (3), fixed second baffle (13) that is equipped with in guide bar (8) outer end, fixed second sealing washer (14) that is equipped with in guide bar (8) outer end, second sealing washer (14) bottom and second baffle (13) top fixed connection, inside output pipeline (16) all was established in second baffle (13) and second sealing washer (14), the diameter of first sealing washer (12) and second sealing washer (14) is the same with the aperture of ball sealer (9), the diameter of first baffle (11) and second baffle (13) is greater than the diameter of first sealing washer (12) and second sealing washer (14).
2. The dropper of an infusion apparatus with floating ball backflow prevention and air functions according to claim 1, wherein: the dropper is characterized in that a first fixing ring (2) is fixedly arranged at the top end of the dropper body (1), and the top end of the input pipeline (3) penetrates through the first fixing ring (2).
3. The dropper of an infusion apparatus with floating ball backflow prevention and air functions according to claim 1, wherein: the top end of the input pipeline (3) is fixedly provided with a first connecting ring (4).
4. The dropper of an infusion apparatus with floating ball backflow prevention and air functions according to claim 1, wherein: the bottom end of the dropper body (1) is fixedly provided with a second fixing ring (15), and the bottom end of the output pipeline (16) penetrates through the second fixing ring (15).
5. The dropper of an infusion apparatus with floating ball backflow prevention and air functions according to claim 1, wherein: and a second connecting ring (17) is fixedly arranged at the bottom end of the output pipeline (16).
6. The dropper of an infusion apparatus with floating ball backflow prevention and air functions according to claim 1, wherein: the front end of the dropper body (1) is fixedly provided with a graduated scale (5).
7. The dropper of an infusion apparatus with floating ball backflow prevention and air functions according to claim 1, wherein: a cavity (10) is formed in the sealing ball (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120400499.0U CN216169178U (en) | 2021-02-23 | 2021-02-23 | Transfusion system dropper with floating ball backflow prevention and air functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120400499.0U CN216169178U (en) | 2021-02-23 | 2021-02-23 | Transfusion system dropper with floating ball backflow prevention and air functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216169178U true CN216169178U (en) | 2022-04-05 |
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ID=80858121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120400499.0U Active CN216169178U (en) | 2021-02-23 | 2021-02-23 | Transfusion system dropper with floating ball backflow prevention and air functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216169178U (en) |
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2021
- 2021-02-23 CN CN202120400499.0U patent/CN216169178U/en active Active
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