CN112972818A - Anti-backflow infusion apparatus capable of quickly replacing infusion tube - Google Patents
Anti-backflow infusion apparatus capable of quickly replacing infusion tube Download PDFInfo
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- CN112972818A CN112972818A CN202110247091.9A CN202110247091A CN112972818A CN 112972818 A CN112972818 A CN 112972818A CN 202110247091 A CN202110247091 A CN 202110247091A CN 112972818 A CN112972818 A CN 112972818A
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- infusion
- backflow
- head
- tube
- transfer line
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- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Pulmonology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a but anti-return transfusion system of quick replacement transfer line relates to transfusion system technical field, includes: bottle plug puncture pipe, protection casing one, the connecting block, the transfer line, the anti-return part, the velocity of flow regulator, the vein needle, protection casing two, drip the kettle, the connector, the lower extreme of bottle plug puncture pipe is provided with the connecting block, the lower extreme of connecting block is connected with the transfer line, the transfer line upper segment is provided with drips the kettle, the middle section of transfer line is connected with the anti-return part, and anti-return part both ends are provided with the connector that can freely disconnect, the back end outside of transfer line is provided with the velocity of flow regulator, the back end tip of transfer line is provided with the connector, the connector lower part is connected with the vein needle through the transfer. This anti-return filters transfusion system has improved the anti-return performance of transfusion system, avoids appearing the blood return phenomenon in the use, is convenient for simultaneously change the transfer line of different materials according to the characteristic of liquid medicine, prevents that the transfer line from influencing the property of a medicine of liquid medicine, and makes things convenient for medical personnel to operate.
Description
Technical Field
The invention relates to the technical field of infusion sets, in particular to an anti-backflow infusion set capable of quickly replacing an infusion tube.
Background
Intravenous infusion is an important method in modern clinical severe treatment, and particularly in China, the intravenous infusion is one of the commonly used clinical treatment means. The compatibility of the medicine and an infusion device (infusion apparatus) is an important influence factor of the safety of the intravenous infusion of the medicine, and the correct selection of the infusion apparatus according to the physicochemical characteristics of the medicine is an important guarantee for the effectiveness and the safety of the medicine. In clinic, non-PVC (polyvinyl chloride) is needed and a non-PVC transfusion device is not used; an infusion set for avoiding light is not used; and unreasonable use conditions such as the fact that a precise infusion apparatus is not selected according to the requirement of the medicine on the filter aperture of the infusion apparatus cause the reduction and even the invalidation of the medicine effect, and the data effect on the patient is influenced. Moreover, the patient need change different injection medicines at the injection in-process, and different injection medicines require differently to the transfusion system material, just at this moment need change the syringe again, wastes time and energy, pricks the needle to the patient once more, causes pain and injury, lacks a transfusion system that can quick replacement transfer line material under the condition of not pulling out the intravenous syringe needle of patient on the market.
Moreover, most of the existing infusion sets have poor backflow prevention performance, blood return phenomenon often occurs, the infusion set is not favorable for normal operation of infusion, the infusion effect is influenced, and meanwhile, liquid flows to cause bubbles easily, so that adverse reaction is easily caused to patients.
Therefore, the present invention provides an anti-backflow infusion apparatus capable of replacing an infusion tube rapidly, so as to solve the above-mentioned problems.
Summary of the invention
The invention aims to provide an anti-backflow infusion apparatus capable of quickly replacing an infusion tube, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an anti-reflux infusion set with a quick-change infusion tube, comprising: bottle plug puncture tube, protection casing one, connecting block, transfer line, anti-return part, flow rate regulator, vein needle, protection casing two, drip kettle, connector, the outside of bottle plug puncture tube is connected with protection casing one, and the lower extreme of bottle plug puncture tube is provided with the connecting block, the lower extreme of connecting block is connected with the transfer line, and the transfer line upper segment is provided with drips the kettle, the middle section of transfer line is connected with anti-return part, and anti-return part both ends are provided with the connector that can freely tear open and shut, the back end outside of transfer line is provided with flow rate regulator, the back end tip of transfer line is provided with the connector, and the connector lower part is connected with the vein needle through the transfer line, the vein needle outside is.
Preferably, the anti-backflow part comprises an anti-backflow body, a connecting rod, a baffle, a sealing washer, a rotating sleeve, a fixing head and a reset spring, the sealing washer is annularly arranged inside the anti-backflow body, the connecting rod is connected to the right side of the sealing washer through the fixing head inside the anti-backflow body, the connecting rod is sleeved with the rotating sleeve, the baffle is connected to the lower portion of the rotating sleeve in a sealing mode and is in contact with the sealing washer in a sealing mode, a certain distance is arranged between the rotating sleeve and the fixing head, the reset spring is sleeved on the connecting rod between the rotating sleeve and the fixing head, a fixing hole is formed in the inner vertical face of the rotating sleeve, a fixing hole is formed in the inner vertical face of the fixing head, and fixing holes in the inner.
Preferably, the baffle constitutes revolution mechanic through rotating sleeve, connecting rod and anti-return body, and the shape of baffle is the arc.
Preferably, the baffle and the sealing washer are sealed in an initial state, and the return spring elastically keeps the baffle and the sealing washer sealed.
Preferably, the connecting head includes: the sleeve head is annular, a first through hole is formed in the sleeve head, the raised head is annular, a convex clamping head is arranged on the left side of the raised head, a second through hole is formed in the raised head, and the clamping head can be tightly clamped into the first through hole to be communicated with the first through hole and the second through hole.
Compared with the prior art, the invention has the beneficial effects that: this anti-return filters transfusion system has improved the anti-return performance of transfusion system, avoids appearing the blood return phenomenon in the use, is convenient for simultaneously change the transfer line of different materials according to the characteristic of liquid medicine, prevents that the transfer line from influencing the property of a medicine of liquid medicine, and makes things convenient for medical personnel to operate.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the front cross-sectional structure of the backflow prevention component of the present invention;
FIG. 3 is a schematic structural diagram of a combination of a connecting rod, a baffle plate, a rotating sleeve, a fixed head and a return spring according to the present invention;
fig. 4 is an exploded view of the connector according to the present invention.
In the figure: 1-bottle stopper puncture tube, 2-protective cover I, 3-connecting block, 4-infusion tube, 5-backflow prevention part, 6-flow rate regulator, 7-vein needle, 8-protective cover II, 9-drip cup, 10-connecting head, 101-sleeve head, 102-through hole I, 103-raised head, 104-clamping head, 105-through hole II, 501-backflow prevention body, 502-connecting rod, 503-baffle, 504-sealing washer, 505-rotating sleeve, 506-fixing head and 507-reset spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.
According to fig. 1-4, the invention provides a technical solution: an anti-reflux infusion set with a quick-change infusion tube, comprising: the bottle stopper puncture tube comprises a bottle stopper puncture tube 1, a first protective cover 2, a connecting block 3, a transfusion tube 4, a backflow prevention component 5, a flow rate regulator 6, a vein needle 7, a second protective cover 8, a drip cup 9 and a connector 10, wherein the first protective cover 2 is connected to the outer side of the bottle stopper puncture tube 1, is used for protecting the bottle stopper puncture tube 1, the lower end of the bottle stopper puncture tube 1 is provided with a connecting block 3, the lower end of the connecting block 3 is connected with a transfusion tube 4, the upper section of the transfusion tube 4 is provided with a drip cup 9, the middle section of the transfusion tube 4 is connected with an anti-return component 5, and two ends of the backflow-preventing component 5 are provided with connectors 10 which can be freely disassembled and assembled, the outer side of the rear section of the transfusion tube 4 is provided with a flow rate regulator 6, a connector 10 is arranged at the tail end of the rear section of the infusion tube 4, the lower part of the connector 10 is connected with a vein needle 7 through the infusion tube, and the outer side of the vein needle 7 is connected with a second protective cover 8 for protecting the vein needle 7; the anti-backflow part 5 comprises an anti-backflow body 501, a connecting rod 502, a baffle 503, a sealing washer 504, a rotating sleeve 505, a fixing head 506 and a return spring 507, the sealing washer 504 is annularly arranged inside the anti-backflow body 501, the connecting rod 502 is connected to the right side of the sealing washer 504 through the fixing head 506 inside the anti-backflow body 501, the connecting rod 502 is sleeved with the rotating sleeve 505, the baffle 503 is connected with the sealing washer 504 in a contacting and sealing mode through the rotating sleeve 505, a certain distance is arranged between the rotating sleeve 505 and the fixing head 506, the return spring 507 is sleeved on the connecting rod 502 between the rotating sleeve 505 and the fixing head 506, a fixing hole is formed in the inner vertical surface of the rotating sleeve 505, a fixing hole is formed in the inner vertical surface of the fixing head 506, and the fixing holes of the inner vertical surface of the rotating sleeve 505 and the inner vertical surface of the.
The baffle 503 forms a rotating structure with the backflow-preventing body 501 through the rotating sleeve 505, the connecting rod 502 and the backflow-preventing body 503, and the baffle 503 is arc-shaped.
The baffle 503 and the sealing washer 504 are sealed in an initial state, and the return spring 507 elastically keeps the baffle 503 and the sealing washer 504 sealed.
The connector 10 includes: the sleeve head 101 is annular, a first through hole 102 is formed in the sleeve head 101, the raised head 103 is annular, a convex clamping head 104 is arranged on the left side of the raised head 103, a second through hole 105 is formed in the raised head 103, and the clamping head 104 can be tightly clamped into the first through hole 102 to communicate the first through hole 102 with the second through hole 105.
The infusion tube 4 and the backflow prevention part 5 can adopt an infusion apparatus made of PVC material and an infusion apparatus made of non-PVC material according to the requirement of liquid medicine.
When the infusion set is used, multiple sets of infusion tubes 4 and backflow prevention parts 5 made of various materials can be prepared, such as PVC infusion sets and non-PVC infusion sets; firstly, selecting an infusion tube 4 and an anti-backflow component 5 which are made of materials suitable for liquid medicine, connecting the components of the infusion apparatus, inserting the bottle stopper puncture tube 1 into the infusion bottle, confirming that each part of the infusion apparatus has no bubbles when the liquid medicine drips from the intravenous needle 7, and inserting the intravenous needle 7 into the vein of a patient for normal infusion; when different liquid medicines are replaced in the infusion process, the infusion tube 4 and the backflow-preventing part 5 of the infusion apparatus which are used for the first time are made of materials unsuitable for the replaced liquid medicine, the hose in front of the intravenous needle 7 is sealed by using articles such as clamps, the sleeve head 101 and the raised head 103 of the connector 10 are sequentially opened, the infusion tube 4, the drip cup 9 and the backflow-preventing part 5 which are connected with suitable materials are replaced, when the liquid medicine flows out from the tail end of a new infusion apparatus, it is confirmed that no air bubbles exist in the infusion apparatus, the sleeve head 101 of the connector at the tail end of the new infusion apparatus is connected with the raised head 103 at the front end of the intravenous needle 7, infusion is continued, and the infusion apparatus and secondary needle.
The backflow prevention principle of the backflow prevention member 5: under normal conditions, the inside baffle 503 of anti-return part 5 is sealed with seal ring 504 under the effect of reset spring 507, when the liquid medicine flow in anti-return part 5, baffle 503 can be opened under the effect of liquid medicine weight, and the liquid medicine flows into the patient in smoothly, and when the circumstances of blood or liquid medicine refluence appear, baffle 503 can be sealed with seal ring 504 fast under the effect of backward flow liquid and reset spring 507 to the prevention returns blood.
Compared with the prior art, the invention has the beneficial effects that: this anti-return filters transfusion system has improved the anti-return performance of transfusion system, avoids appearing the blood return phenomenon in the use, is convenient for simultaneously change the transfer line of different materials according to the characteristic of liquid medicine, prevents that the transfer line from influencing the property of a medicine of liquid medicine, and makes things convenient for medical personnel to operate.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted, and the content which is not described in detail in the specification belongs to the prior art known by persons skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications of the invention can be made, and equivalents of some features of the invention can be substituted, and any changes, equivalents, improvements and the like, which fall within the spirit and principle of the invention, are intended to be covered by the scope of the invention.
Claims (5)
1. An anti-reflux infusion set with a quick-change infusion tube, comprising: the anti-backflow infusion set comprises a bottle stopper puncture tube (1), a first protective cover (2), a connecting block (3), an infusion tube (4), a backflow-preventing component (5), a flow rate regulator (6), a vein needle (7), a second protective cover (8), a drip cup (9) and a connector (10), wherein the first protective cover (2) is connected to the outer side of the bottle stopper puncture tube (1) and used for protecting the bottle stopper puncture tube (1), the connecting block (3) is arranged at the lower end of the bottle stopper puncture tube (1), the infusion tube (4) is connected to the lower end of the connecting block (3), the drip cup (9) is arranged at the upper section of the infusion tube (4), the backflow-preventing component (5) is connected to the middle section of the infusion tube (4), the connectors (10) which can be freely disassembled and connected are arranged at the two ends of the backflow-preventing component (5), the flow rate regulator (6) is arranged, the lower part of the connector (10) is connected with a vein needle (7) through a transfusion tube, and the outer side of the vein needle (7) is connected with a second protective cover (8) for protecting the vein needle (7); the anti-backflow component (5) comprises an anti-backflow body (501), a connecting rod (502), a baffle (503), a sealing washer (504), a rotating sleeve (505), a fixing head (506) and a return spring (507), wherein the sealing washer (504) is annularly arranged inside the anti-backflow body (501), the connecting rod (502) is connected inside the anti-backflow body (501) on the right side of the sealing washer (504) through the fixing head (506), the rotating sleeve (505) is sleeved on the connecting rod (502), the baffle (503) is connected to the lower portion of the rotating sleeve (505) to be in contact sealing with the sealing washer (504), a certain distance is arranged between the rotating sleeve (505) and the fixing head (506), the return spring (507) is sleeved on the connecting rod (502) between the rotating sleeve (505) and the fixing head (506), a fixing hole is arranged on the inner vertical surface of the rotating sleeve (505), and a fixing hole is arranged on the inner vertical surface of, two ends of the return spring (507) are respectively inserted into fixing holes of the inner vertical surface of the rotating sleeve (505) and the inner vertical surface of the fixing head (506).
2. The anti-reflux infusion set with a quick change infusion tube of claim 1, wherein: the baffle (503) forms a rotating structure with the anti-backflow body (501) through the rotating sleeve (505), the connecting rod (502), and the baffle (503) is arc-shaped.
3. The anti-reflux infusion set with a quick change infusion tube of claim 1, wherein: the baffle (503) and the sealing washer (504) are sealed in the initial state, and the return spring (507) elastically keeps the baffle (503) and the sealing washer (504) sealed.
4. The anti-reflux infusion set with a quick change infusion tube of claim 1, wherein: the connector (10) comprises: the sleeve head (101) and the raised head (103), a through hole I (102) is formed in the sleeve head (101) in a ring shape, the raised head (103) is in a ring shape, a convex clamping head (104) is arranged on the left side of the sleeve head, a through hole II (105) is formed in the raised head (103), and the clamping head (104) can be tightly clamped into the through hole I (102) to communicate the through hole I (102) with the through hole II (105).
5. The anti-reflux infusion set with a quick change infusion tube of claim 1, wherein: the infusion tube (4) and the anti-backflow component (5) can adopt an infusion apparatus made of PVC material and an infusion apparatus made of non-PVC material according to the requirement of liquid medicine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110247091.9A CN112972818A (en) | 2021-03-05 | 2021-03-05 | Anti-backflow infusion apparatus capable of quickly replacing infusion tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110247091.9A CN112972818A (en) | 2021-03-05 | 2021-03-05 | Anti-backflow infusion apparatus capable of quickly replacing infusion tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112972818A true CN112972818A (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110247091.9A Pending CN112972818A (en) | 2021-03-05 | 2021-03-05 | Anti-backflow infusion apparatus capable of quickly replacing infusion tube |
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| CN (1) | CN112972818A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114806781A (en) * | 2022-06-08 | 2022-07-29 | 天津市农业科学院 | Strawberry sparkling wine fermenting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202223638U (en) * | 2011-08-30 | 2012-05-23 | 成都市新津事丰医疗器械有限公司 | Infusion apparatus with liquid medicine filter capable of preventing blood backflow |
| CN103691026A (en) * | 2014-01-07 | 2014-04-02 | 江苏苏云医疗器材有限公司 | Anti-countercurrent injection part |
| CN203989218U (en) * | 2014-01-09 | 2014-12-10 | 江苏苏云医疗器材有限公司 | A kind of light proofing infusion apparatus |
| CN204815120U (en) * | 2015-08-09 | 2015-12-02 | 张欣然 | Prevent back blood automatic liquid -stopping safety transfusion system |
| CN207041704U (en) * | 2017-01-04 | 2018-02-27 | 洪湖泰宁医疗器械有限公司 | A kind of disposable transfusion device |
| CN208436159U (en) * | 2017-07-07 | 2019-01-29 | 常逢璠 | A kind of safe transfusion system |
| WO2019169408A1 (en) * | 2018-03-02 | 2019-09-06 | Somnus Medical, LLC | Iv set or iv set system with unidirectional access port |
| CN210813054U (en) * | 2019-07-23 | 2020-06-23 | 中国人民解放军总医院 | Medical transfer line adapter |
| CN210813076U (en) * | 2019-08-15 | 2020-06-23 | 王婧伊 | Disposable puncture-proof transfusion system |
-
2021
- 2021-03-05 CN CN202110247091.9A patent/CN112972818A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202223638U (en) * | 2011-08-30 | 2012-05-23 | 成都市新津事丰医疗器械有限公司 | Infusion apparatus with liquid medicine filter capable of preventing blood backflow |
| CN103691026A (en) * | 2014-01-07 | 2014-04-02 | 江苏苏云医疗器材有限公司 | Anti-countercurrent injection part |
| CN203989218U (en) * | 2014-01-09 | 2014-12-10 | 江苏苏云医疗器材有限公司 | A kind of light proofing infusion apparatus |
| CN204815120U (en) * | 2015-08-09 | 2015-12-02 | 张欣然 | Prevent back blood automatic liquid -stopping safety transfusion system |
| CN207041704U (en) * | 2017-01-04 | 2018-02-27 | 洪湖泰宁医疗器械有限公司 | A kind of disposable transfusion device |
| CN208436159U (en) * | 2017-07-07 | 2019-01-29 | 常逢璠 | A kind of safe transfusion system |
| WO2019169408A1 (en) * | 2018-03-02 | 2019-09-06 | Somnus Medical, LLC | Iv set or iv set system with unidirectional access port |
| CN210813054U (en) * | 2019-07-23 | 2020-06-23 | 中国人民解放军总医院 | Medical transfer line adapter |
| CN210813076U (en) * | 2019-08-15 | 2020-06-23 | 王婧伊 | Disposable puncture-proof transfusion system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114806781A (en) * | 2022-06-08 | 2022-07-29 | 天津市农业科学院 | Strawberry sparkling wine fermenting device |
| CN114806781B (en) * | 2022-06-08 | 2023-08-22 | 天津市农业科学院 | Strawberry sparkling wine fermenting installation |
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Application publication date: 20210618 |