CN110420364B - Infusion apparatus capable of preventing air drop - Google Patents
Infusion apparatus capable of preventing air drop Download PDFInfo
- Publication number
- CN110420364B CN110420364B CN201910672947.XA CN201910672947A CN110420364B CN 110420364 B CN110420364 B CN 110420364B CN 201910672947 A CN201910672947 A CN 201910672947A CN 110420364 B CN110420364 B CN 110420364B
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- CN
- China
- Prior art keywords
- hose
- floating ball
- drip
- outlet
- drip cup
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000001802 infusion Methods 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000003978 infusion fluid Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 5
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 238000010253 intravenous injection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/36—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body
- A61M5/40—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body using low-level float-valve to cut off media flow from reservoir
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Emergency Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The drip-proof infusion apparatus comprises a drip cup, a hose fixedly connected with the drip cup, a drip cup outlet, a small floating ball and a sealing device, wherein the small floating ball is a floating ball in the hose, the bottom of the hose is provided with the hose outlet, the sealing device comprises a large floating ball connected with the small floating ball through a rope, supports are arranged on two sides above the large floating ball, and the length of the rope is larger than the distance between the hose outlet and the drip cup outlet; the invention provides three kinds of interrelated drip-proof transfusion devices, which are provided with small floating balls, namely a floating ball in a hose and a sealing device, and the hose outlet or a drip cup outlet is sealed by the sealing device, so that the purpose of drip-proof is achieved, the efficiency is higher, and the effect is better.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to an anti-drip infusion apparatus.
Background
In clinical transfusion, a disposable gravity type transfusion device is generally adopted to infuse a patient in an intravenous injection mode, so that the medical transfusion safety hidden trouble exists to a great extent. On one hand, the patient, the accompanying person or the medical staff is required to timely track and pay attention to the residual liquid amount in the infusion bottle (infusion bag) and the infusion tube, the excessive time and energy of the patient, the accompanying person or the medical staff are required to be consumed, on the other hand, after the infusion drops are very easy to be caused in the infusion process, air enters the patient body through the infusion tube and the intravenous needle, the patient is blocked and necrotized by the air caused by the lighter patient, and the patient is shocked and dead caused by the heavier patient.
Patent application number CN032609949 discloses an anti-drop infusion apparatus, which is to add a floating ball with proper density into the original drip cup with narrow openings at two ends. Although this patent gives a kind of floating ball of preventing dripping, but only be applicable to the drip cup of the specific shape that drip cup both ends are the osculum, if drip cup upper end opening is greater than the diameter of floating ball then other unexpected circumstances can appear, and this kind of shape can not guarantee the purpose that can block up the liquid outlet completely.
Disclosure of Invention
In order to solve the problems, the invention provides an anti-drip infusion apparatus.
The invention adopts the technical scheme that:
the utility model provides an empty drip-proof transfusion system, includes drip cup, with drip cup fixed connection's hose, drip cup export, little floater and closing device, little floater be the interior floater of hose, the hose bottom is provided with the hose export, closing device include the big floater of being connected through the rope with little floater, the top both sides of big floater are provided with the support, the length of rope is greater than the distance between hose export and the drip cup export.
The support is of a bent rod-shaped structure, the distance between the openings formed by the two supports is smaller than the diameter of the hose, and the support and the large floating ball are integrally formed or welded on the large floating ball or glued on the large floating ball.
The utility model provides an empty drip-proof transfusion system, includes drip cup, with drip cup fixed connection's hose, drip cup export, little floater and seal and support, little floater be the interior floater of hose, the hose bottom is provided with the hose export, sealing device include the big floater of being connected through the rope with little floater, the top both sides of big floater are provided with the support, be provided with the fender dish on the rope between little floater and the big floater, the fender dish is fixed glued on the rope.
The diameter of the hose outlet is smaller than that of the hose, the baffle disc is of a conical structure, and the diameter of the bottom of the baffle disc is smaller than that of the hose and larger than that of the hose outlet.
The utility model provides an empty drip-proof transfusion system, includes drip cup, with drip cup fixed connection's hose, drip cup export, little floater and closing device, little floater be the interior floater of hose, the hose bottom is provided with the hose export, closing device including being fixed in the inside dog of hose, this dog and hose integrated into one piece, little floater is fixed between hose export and dog by the dog.
The diameter of the small floating ball is larger than the diameter of the hose outlet and the distance between the stop block and the other side of the hose.
The length of the hose in the drip cup is one half or one third of the length of the drip cup, the diameter of the big floating ball in the drip cup is larger than the diameter of the outlet of the drip cup, the diameter of the big floating ball is also larger than the diameter of the outlet of the hose, and the diameter of the outlet of the hose is smaller than the diameter of the outlet of the drip cup.
The densities of the large floating ball and the small floating ball are smaller than that of the infusion liquid.
The support is in a shape of a rod or a plate bent inwards, and the cross section of the support is in a linear shape or an arc shape.
The beneficial effects of the invention are as follows: the invention provides three kinds of interrelated drip-proof transfusion devices, which are provided with small floating balls, namely a floating ball in a hose and a sealing device, and the hose outlet or a drip cup outlet is sealed by the sealing device, so that the purpose of drip-proof is achieved, the efficiency is higher, and the effect is better.
Drawings
Fig. 1 is a schematic structural view of a drip cup according to the prior art.
Fig. 2 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 5 is a schematic diagram of a second embodiment of the present invention.
Fig. 6 is a schematic structural view of a baffle disc of the present invention.
Fig. 7 is a schematic structural diagram of a third embodiment of the present invention.
In the figure, 1, a hose, 2, a drip cup, 3, a stop block, 4, a small floating ball, 5, a large floating ball, 6, a support, 7, a rope, 8, a baffle disc, 9, a hose outlet, 10 and a drip cup outlet.
Detailed Description
As shown in fig. 1-7, an anti-drip infusion apparatus comprises a drip cup 2, a hose 1 fixedly connected with the drip cup 2, a drip cup outlet 10, a small floating ball 4 and a sealing device, wherein the small floating ball 4 is a floating ball in the hose 1, a hose outlet 9 is arranged at the bottom of the hose 1, the sealing device comprises a large floating ball 5 connected with the small floating ball 4 through a rope 7, supports 6 are arranged on two sides above the large floating ball 5, and the length of the rope 7 is larger than the distance between the hose outlet 9 and the drip cup outlet 10.
The support 6 is of a bent rod-shaped structure, the distance between openings formed by the two supports 6 is smaller than the diameter of the hose 1, and the support 6 and the large floating ball 5 are integrally formed or the support 6 is welded on the large floating ball 5 or the support 6 is glued on the large floating ball 5.
The utility model provides an empty drip-proof transfusion system, includes drip cup 2, with drip cup 2 fixed connection's hose 1, drip cup export 10, little floater 4 and closing device, little floater 4 be floater in the hose 1, hose 1 bottom is provided with hose export 9, closing device include big floater 5 that passes through rope 7 with little floater 4 to be connected, big floater 5's top both sides are provided with support 6, be provided with baffle disc 8 on rope 7 between little floater 4 and the big floater 5, baffle disc 8 is fixed glued on rope 7.
The diameter of the hose outlet 9 is smaller than that of the hose 1, the baffle disc 8 is in a conical structure or a disc shape with a narrow upper part and a wide lower part, and the diameter of the bottom of the baffle disc 8 is smaller than that of the hose 1 and larger than that of the hose outlet 9.
The utility model provides an anti-drip infusion apparatus, includes drip cup 2, with drip cup 2 fixed connection's hose 1, drip cup export 10, little floater 4 and closing device, little floater 4 be the floater in the hose 1, hose 1 bottom is provided with hose export 9, closing device including being fixed in the inside dog 3 of hose 1, this dog 3 and hose 1 integrated into one piece, little floater 4 is fixed between hose export 9 and dog 3 by dog 3.
The diameter of the small floating ball 4 is larger than the diameter of the hose outlet 9 and the distance of the gap between the stop block 3 and the other side of the hose 1.
The length of the hose 1 in the drip cup 2 is one half or one third of the length of the drip cup 2, the diameter of the big floating ball 5 in the drip cup 2 is larger than the diameter of the drip cup outlet 10, the diameter of the big floating ball 5 is also larger than the diameter of the hose outlet 9, and the diameter of the hose outlet 9 is smaller than the diameter of the drip cup outlet 10.
The densities of the large floating ball 4 and the small floating ball 5 are smaller than that of the infusion liquid.
The support 6 is in a shape of a rod or a plate bent inwards, and the cross section of the support 6 is in a linear shape or an arc shape.
Example 1
The utility model provides an empty drip-proof transfusion system, includes drip cup 2, with drip cup 2 fixed connection's hose 1, drip cup export 10, little floater 4 and closing device, little floater 4 be floater in the hose 1, hose 1 bottom is provided with hose export 9, closing device include big floater 5 that passes through rope 7 with little floater 4 to be connected, big floater 5's top both sides are provided with support 6, rope 7's length is greater than the distance between hose export 9 and the drip cup export 10. The support 6 is of a bent rod-shaped structure, the distance between openings formed by the two supports 6 is smaller than the diameter of the hose 1, and the support 6 and the large floating ball 5 are integrally formed or the support 6 is welded on the large floating ball 5 or the support 6 is glued on the large floating ball 5. The length of the hose 1 in the drip cup 2 is one half or one third of the length of the drip cup 2, the diameter of the big floating ball 5 in the drip cup 2 is larger than the diameter of the drip cup outlet 10, the diameter of the big floating ball 5 is also larger than the diameter of the hose outlet 9, and the diameter of the hose outlet 9 is smaller than the diameter of the drip cup outlet 10. The densities of the large floating ball 4 and the small floating ball 5 are smaller than that of the infusion liquid. The support 6 is in a shape of a rod or a plate bent inwards, and the cross section of the support 6 is in a linear shape or an arc shape.
When the drip cup is used, the liquid for transfusion is arranged in the drip cup and the hose, the small floating ball floats in the hose, the large floating ball floats in the drip cup, when the liquid in the hose flows out, the liquid is also arranged in the drip cup, and the small floating ball in the hose can fall at the outlet of the hose, so that the purpose of drip prevention is achieved. In order to prevent the small floating ball from blocking the outlet of the hose, the flow speed of the liquid in the drip cup is reduced, and the large floating ball can block the outlet of the drip cup under the action of the atmospheric pressure and the surface tension of water when the liquid in the drip cup is completely flowed due to the longer rope, so that the liquid in the hose below the drip cup does not flow, and the purpose of preventing dripping is achieved.
Example two
The utility model provides an empty drip-proof transfusion system, includes drip cup 2, with drip cup 2 fixed connection's hose 1, drip cup export 10, little floater 4 and closing device, little floater 4 be floater in the hose 1, hose 1 bottom is provided with hose export 9, closing device include big floater 5 that passes through rope 7 with little floater 4 to be connected, big floater 5's top both sides are provided with support 6, be provided with baffle disc 8 on rope 7 between little floater 4 and the big floater 5, baffle disc 8 is fixed glued on rope 7. The diameter of the hose outlet 9 is smaller than that of the hose 1, the baffle disc 8 is in a conical structure or a disc shape with a narrow upper part and a wide lower part, and the diameter of the bottom of the baffle disc 8 is smaller than that of the hose 1 and larger than that of the hose outlet 9. The length of the hose 1 in the drip cup 2 is one half or one third of the length of the drip cup 2, the diameter of the big floating ball 5 in the drip cup 2 is larger than the diameter of the drip cup outlet 10, the diameter of the big floating ball 5 is also larger than the diameter of the hose outlet 9, and the diameter of the hose outlet 9 is smaller than the diameter of the drip cup outlet 10. The densities of the large floating ball 4 and the small floating ball 5 are smaller than that of the infusion liquid. The support 6 is in a shape of a rod or a plate bent inwards, and the cross section of the support 6 is in a linear shape or an arc shape.
When the drip cup is used, the liquid for transfusion is arranged in the drip cup and the hose, the small floating ball floats in the hose, the large floating ball floats in the drip cup, when the liquid in the hose flows out, the liquid in the drip cup is also contained in the drip cup, the baffle disc in the hose can fall above the hose outlet to clamp the hose outlet, and after the hose outlet is clamped, the liquid in the drip cup does not flow, so that the purpose of drip prevention is achieved.
Example III
The utility model provides an anti-drip infusion apparatus, includes drip cup 2, with drip cup 2 fixed connection's hose 1, drip cup export 10, little floater 4 and closing device, little floater 4 be the floater in the hose 1, hose 1 bottom is provided with hose export 9, closing device including being fixed in the inside dog 3 of hose 1, this dog 3 and hose 1 integrated into one piece, little floater 4 is fixed between hose export 9 and dog 3 by dog 3. The diameter of the small floating ball 4 is larger than the diameter of the hose outlet 9 and the distance of the gap between the stop block 3 and the other side of the hose 1. The length of the hose 1 in the drip cup 2 is one half or one third of the length of the drip cup 2, the diameter of the big floating ball 5 in the drip cup 2 is larger than the diameter of the drip cup outlet 10, the diameter of the big floating ball 5 is also larger than the diameter of the hose outlet 9, and the diameter of the hose outlet 9 is smaller than the diameter of the drip cup outlet 10. The densities of the large floating ball 4 and the small floating ball 5 are smaller than that of the infusion liquid. The support 6 is in a shape of a rod or a plate bent inwards, and the cross section of the support 6 is in a linear shape or an arc shape.
When the drip cup is used, the drip cup and the hose are filled with liquid for transfusion, the small floating ball floats between the stop block in the hose and the hose outlet, and when the liquid in the hose flows out, the drip cup is filled with liquid, and the small floating ball can block the hose outlet, so that the purpose of drip-proof is achieved.
Claims (4)
1. An anti-drip infusion apparatus, which is characterized in that: the automatic drip kettle comprises a drip kettle (2), a hose (1) fixedly connected with the drip kettle (2), a drip kettle outlet (10), a small floating ball (4) and a sealing device, wherein the small floating ball (4) is a floating ball in the hose (1), a hose outlet (9) is arranged at the bottom of the hose (1), the sealing device comprises a large floating ball (5) connected with the small floating ball (4) through a rope (7), supports (6) are arranged on two sides above the large floating ball (5), and the length of the rope (7) is larger than the distance between the hose outlet (9) and the drip kettle outlet (10); the support (6) is of a bent rod-shaped structure, the distance between openings formed by the two supports (6) is smaller than the diameter of the hose (1), the supports (6) and the large floating ball (5) are integrally formed or the supports (6) are welded on the large floating ball (5) or the supports (6) are glued on the large floating ball (5); the support (6) is in a shape of a rod or a plate bent inwards, and the cross section of the support (6) is in a linear shape or an arc shape.
2. An anti-drip infusion apparatus, which is characterized in that: the automatic drip cup comprises a drip cup (2), a hose (1) fixedly connected with the drip cup (2), a drip cup outlet (10), a small floating ball (4) and a sealing device, wherein the small floating ball (4) is a floating ball in the hose (1), the bottom of the hose (1) is provided with a hose outlet (9), the sealing device comprises a large floating ball (5) connected with the small floating ball (4) through a rope (7), supports (6) are arranged on two sides above the large floating ball (5), a baffle disc (8) is arranged on the rope (7) between the small floating ball (4) and the large floating ball (5), and the baffle disc (8) is fixedly glued on the rope (7); the diameter of the hose outlet (9) is smaller than that of the hose (1), the baffle disc (8) is in a conical structure or a disc shape with a narrow upper part and a wide lower part, and the diameter of the bottom of the baffle disc (8) is smaller than that of the hose (1) and larger than that of the hose outlet (9); the support (6) is in a shape of a rod or a plate bent inwards, and the cross section of the support (6) is in a linear shape or an arc shape.
3. The drip-resistant infusion set according to any one of claims 1 or 2, wherein: the length of the hose (1) in the drip cup (2) is one half or one third of the length of the drip cup (2), the diameter of the big floating ball (5) in the drip cup (2) is larger than the diameter of the drip cup outlet (10), the diameter of the big floating ball (5) is also larger than the diameter of the hose outlet (9), and the diameter of the hose outlet (9) is smaller than the diameter of the drip cup outlet (10).
4. An anti-drip infusion set according to claim 3, wherein: the densities of the big floating ball (5) and the small floating ball (4) are smaller than that of the infusion liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910672947.XA CN110420364B (en) | 2019-07-24 | 2019-07-24 | Infusion apparatus capable of preventing air drop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910672947.XA CN110420364B (en) | 2019-07-24 | 2019-07-24 | Infusion apparatus capable of preventing air drop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110420364A CN110420364A (en) | 2019-11-08 |
| CN110420364B true CN110420364B (en) | 2024-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910672947.XA Active CN110420364B (en) | 2019-07-24 | 2019-07-24 | Infusion apparatus capable of preventing air drop |
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| Country | Link |
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| CN (1) | CN110420364B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111407980A (en) * | 2020-04-13 | 2020-07-14 | 河南省健琪医疗器械有限公司 | Medical blood return prevention device and method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202478286U (en) * | 2012-03-07 | 2012-10-10 | 王宇芃 | Infusion device |
| CN202682449U (en) * | 2012-04-12 | 2013-01-23 | 冯亚辉 | Infusion device |
| CN203075378U (en) * | 2013-01-09 | 2013-07-24 | 新乡医学院 | Infusion device |
| WO2014171761A1 (en) * | 2013-04-17 | 2014-10-23 | Lee Chang-Rea | Air introduction prevention device for infusion solution set |
| CN205055041U (en) * | 2015-10-30 | 2016-03-02 | 漯河医学高等专科学校 | Prevent that liquid medicine drips empty transfusion system |
| CN107158508A (en) * | 2017-06-06 | 2017-09-15 | 严友希 | A kind of automatic liquid-stopping intravenous transfusion device |
| CN107596492A (en) * | 2017-09-29 | 2018-01-19 | 陈芳 | A kind of transfusion device back-flow preventer |
| CN207708266U (en) * | 2017-06-01 | 2018-08-10 | 陈浩 | A kind of automatic liquid-stopping alarm infusion apparatus |
| CN210844638U (en) * | 2019-07-24 | 2020-06-26 | 郑州儿童医院 | Drip-proof infusion device |
-
2019
- 2019-07-24 CN CN201910672947.XA patent/CN110420364B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202478286U (en) * | 2012-03-07 | 2012-10-10 | 王宇芃 | Infusion device |
| CN202682449U (en) * | 2012-04-12 | 2013-01-23 | 冯亚辉 | Infusion device |
| CN203075378U (en) * | 2013-01-09 | 2013-07-24 | 新乡医学院 | Infusion device |
| WO2014171761A1 (en) * | 2013-04-17 | 2014-10-23 | Lee Chang-Rea | Air introduction prevention device for infusion solution set |
| CN205055041U (en) * | 2015-10-30 | 2016-03-02 | 漯河医学高等专科学校 | Prevent that liquid medicine drips empty transfusion system |
| CN207708266U (en) * | 2017-06-01 | 2018-08-10 | 陈浩 | A kind of automatic liquid-stopping alarm infusion apparatus |
| CN107158508A (en) * | 2017-06-06 | 2017-09-15 | 严友希 | A kind of automatic liquid-stopping intravenous transfusion device |
| CN107596492A (en) * | 2017-09-29 | 2018-01-19 | 陈芳 | A kind of transfusion device back-flow preventer |
| CN210844638U (en) * | 2019-07-24 | 2020-06-26 | 郑州儿童医院 | Drip-proof infusion device |
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| CN110420364A (en) | 2019-11-08 |
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