Infusion line set

Abstract

The utility model discloses a kind of infusion pipeline assemblies, comprising: detachable drip chamber, first liquid taking pipeline, second liquid taking pipeline, tee joint, infusion pipeline, first liquid taking pipeline, second liquid taking pipeline are communicated in infusion pipeline by tee joint respectively, two detachable drip chambers are respectively connected in the end of first liquid taking pipeline, second liquid taking pipeline;Detachable drip chamber includes: drip chamber body, puncture device, puncture device is detachably connected in drip chamber body, the first end of puncture device punctures medicine bottle, the second end of puncture device is detachably connected in drip chamber body.This technology is detachable by setting detachable drip chamber, puncture device and drip chamber body are detachably connected, when patient needs to replace medicine bottle, drip chamber body is detached from puncture device, and connected on another puncture device, remove the first protective cap of another puncture device, another puncture device is punctured into another medicine bottle, infusion is carried out, can prevent puncture device from being exposed in air, reduce the pollution risk of bacteria or microparticle to puncture device.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to an infusion tubing assembly. Background Technology

[0002] In clinical medicine, when faced with complex patient conditions, short-course infusions of multiple medications are often required. Infusion tubing components in these techniques frequently utilize one-piece drip chambers, where the puncture device and drip chamber are designed as a single unit. However, for patients requiring long-term infusions, it is often necessary to change medications and administer them for extended periods. With traditional one-piece drip chambers, changing medications requires removing the puncture device from the previous vial and inserting it into the next. This process involves frequent punctures of the vial stoppers, and the device is exposed to air, making it susceptible to contamination from bacteria and particles in the environment, causing challenges in clinical use. Utility Model Content

[0003] In view of the shortcomings of related technologies, the purpose of this utility model is to provide an infusion tubing assembly, which aims to solve the technical problem that the puncture device is exposed to the air and is easily contaminated when changing the dressing bottle.

[0004] This utility model discloses an infusion tubing assembly, comprising: a detachable drip chamber, a first infusion tubing, a second infusion tubing, a T-connector, and an infusion tubing. The first and second infusion tubing are connected to the infusion tubing via the T-connector. Two detachable drip chambers are respectively connected to the ends of the first and second infusion tubing. The detachable drip chambers are used to connect to the infusion bottle, and the infusion tubing is used to connect to the patient. The detachable drip chamber includes: a drip chamber body and a puncture device. The puncture device is detachably connected to the drip chamber body. The first end of the puncture device punctures the medicine bottle, and the second end of the puncture device is detachably connected to the drip chamber body.

[0005] The puncture device has a first connecting tube at its second end, and a first threaded portion on the outer side of the end of the first connecting tube away from the puncture device. The dripping body has a connecting end at its end away from the first liquid collection tube, and the connecting end includes a second connecting cylinder and a second connecting tube. The second connecting cylinder and the second connecting tube are coaxially arranged, and the second connecting cylinder is sleeved on the outer side of the second connecting tube. The inner wall of the second connecting cylinder has a second threaded portion that matches the first threaded portion. The first connecting tube and the second connecting cylinder are detachably connected.

[0006] Specifically, the tee connector includes a first pipe, a second pipe, and a third pipe that are interconnected. The connection between the first pipe, the second pipe, and the third pipe is a Y-shaped structure. The first liquid intake pipe is connected to the first pipe, the second liquid intake pipe is connected to the second pipe, and the infusion pipe is connected to the third pipe, so as to realize the interconnection of the first liquid intake pipe, the second liquid intake pipe, and the infusion pipe.

[0007] Specifically, the first liquid intake pipeline includes a first liquid pipe, a three-way check valve, and a second liquid pipe connected in sequence. The first liquid pipe is connected to a detachable dripping bucket, and the end of the second liquid pipe away from the three-way check valve is connected to the first pipe of the three-way connector.

[0008] The three-way check valve includes: a valve body and a first check valve. The valve body is provided with a first pipe, a second pipe and a third pipe that are interconnected. The first check valve is connected to the third pipe. The first pipe is connected to a first liquid pipe. The end of the first check valve away from the third pipe is connected to the second liquid pipe. The outer side of the end of the second pipe is provided with a threaded part.

[0009] Preferably, the structure of the second liquid extraction pipeline is the same as that of the first liquid extraction pipeline.

[0010] Specifically, the infusion line includes a third liquid tube, a filter, a fourth liquid tube, and a fifth connector connected in sequence; the third liquid tube is connected to the third pipe of the tee connector.

[0011] Specifically, the filter includes a housing and a filter element. The filter element is located inside the housing, and the two ends of the housing are connected to the third liquid pipe and the fourth liquid pipe, respectively.

[0012] The fifth connector can be one of a check valve connector, rotary connector, anti-backflow convex connector, or quick connector, but is not limited to these.

[0013] The present invention discloses an infusion tubing assembly, comprising: a detachable drip chamber, a first infusion tubing, a second infusion tubing, a T-connector, and an infusion tubing. The first and second infusion tubing are connected to the infusion tubing via the T-connector. Two detachable drip chambers are respectively connected to the ends of the first and second infusion tubing. The detachable drip chambers are used to connect to the infusion bottle, and the infusion tubing is used to connect to the patient. The detachable drip chamber includes: a drip chamber body and a puncture device. The puncture device is detachably connected to the drip chamber body. The first end of the puncture device punctures the medicine bottle, and the second end of the puncture device is detachably connected to the drip chamber body. This technology features a detachable drip chamber, with the puncture device and drip chamber body detachably connected. At the factory, the puncture device has a first protective cap at its end, and the drip chamber body has a second protective cap. When the patient needs to change the medication bottle, the drip chamber body is detached from the puncture device and connected to another puncture device. The first protective cap of the other puncture device is removed, and the other puncture device is inserted into another medication bottle for infusion. This prevents the puncture device from being exposed to air and contaminated. Attached Figure Description

[0014] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without any innovative effort.

[0015] Figure 1 This is a schematic diagram of the overall structure of the infusion tubing assembly as disclosed in the embodiments of this utility model when it leaves the factory; Figure 2 This is a schematic diagram of the overall structure of the infusion tubing assembly as disclosed in the embodiments of this utility model. Figure 3 This is a schematic diagram of the detachable dripping container disclosed in the embodiment of this utility model; Figure 4 This is a cross-sectional view of the detachable dripping bucket disclosed in the embodiment of this utility model; Figure 5 This is a schematic diagram of the structure of the three-way check valve disclosed in the embodiment of this utility model; Figure 6 This is a cross-sectional view of the tee connector and adjacent pipeline disclosed in the embodiments of this utility model; Figure label: 1. Detachable drip chamber; 11. Drip chamber body; 111. Connecting end; 1111. Second connecting tube; 1112. Second connecting pipe; 1113. Second threaded part; 12. Puncture device; 121. First connecting pipe; 122. First threaded part; 2. First liquid collection line; 3. Second liquid collection line; 21. First liquid pipe; 21. Three-way check valve; 221. Valve body; 222. First check valve; 2211. First pipe body; 2212. Second pipe body; 2213. Third pipe body; 23. Second liquid pipe; 4. Three-way connector; 41. First pipe; 42. Second pipe; 43. Third pipe; 5. Infusion line; 51. Third liquid pipe; 52. Filter; 521. Housing; 53. Fourth liquid pipe; 54. Fifth connector; 61. First protective cap; 62. Second protective cap; 63. Third protective cap; 64. Fourth protective cap; Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some, not all, of the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0017] It should be understood that, when used in this specification and the appended claims, the terms “comprising” and “including” indicate the presence of the described features, integrals, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components and / or collections thereof.

[0018] It should also be understood that the terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention. As used in this specification and the appended claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise.

[0019] It should also be further understood that the terms "and" and "or" as used in this specification and the appended claims refer to any combination of one or more of the associated listed items and all possible combinations, and include such combinations.

[0020] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this utility model, and these modifications or substitutions should all be covered within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

[0021] Please see Figure 1-2 This embodiment discloses an infusion tubing assembly, including: a detachable drip chamber 1, a first infusion tubing 2, a second infusion tubing 3, a T-connector 4, and an infusion tubing 5. The first infusion tubing 2 and the second infusion tubing 3 are respectively connected to the infusion tubing 5 via the T-connector 4. Two detachable drip chambers 1 are respectively connected to the ends of the first infusion tubing 2 and the second infusion tubing 3. The detachable drip chambers 1 are used to connect to the infusion bottle, and the infusion tubing 5 is used to connect to the patient end. Please refer to [link to relevant documentation]. Figure 3-4 The detachable drip chamber 1 includes: a drip chamber body 11 and a puncture device 12. The puncture device 12 is detachably connected to the drip chamber body 11. The first end of the puncture device 12 punctures the medicine bottle, and the second end of the puncture device 12 is detachably connected to the drip chamber body 11.

[0022] Specifically, the second end of the puncture device 12 is provided with a first connecting tube 121, and the outer side of the end of the first connecting tube away from the puncture device 12 is provided with a first threaded portion 122; the end of the dripping body 11 away from the first liquid collection tube 2 is provided with a connecting end 111, the connecting end 111 including: a second connecting cylinder 1111 and a second connecting tube 1112, the second connecting cylinder 1111 and the second connecting tube 1112 are coaxially arranged, the second connecting cylinder 1111 is sleeved on the outside of the second connecting tube 1112, the second connecting cylinder 1111... The inner wall is provided with a second threaded portion 1113 that matches the first threaded portion 122; the first connecting tube 121 and the second connecting cylinder 1111 are detachably connected. Specifically, the detachable connection between the first connecting tube 121 and the second connecting cylinder 1111 is achieved by the cooperation of the first threaded portion 122 and the second threaded portion 1113; when the product leaves the factory, the second end of the puncture device 12 is sealed with a first protective cap 61, and the connecting end 111 of the dripping body 11 is sealed with a second protective cap 62, such as... Figure 3 As shown, when in use, the first protective cap 61 and the second protective cap 62 are removed respectively, and the second end of the puncture device 12 is attached to the connecting end 111 of the dripping body 11 for use.

[0023] Please see Figure 6 The three-way connector 4 includes a first pipe 41, a second pipe 42, and a third pipe 43 that are interconnected. The connection between the first pipe 41, the second pipe 42, and the third pipe 43 is a Y-shaped structure. The first liquid intake pipe 2 is connected to the first pipe 41, the second liquid intake pipe 3 is connected to the second pipe 42, and the infusion pipe 5 is connected to the third pipe 43, so as to realize the interconnection between the first liquid intake pipe 2, the second liquid intake pipe 3, and the infusion pipe 5.

[0024] The first liquid collection pipeline 2 includes a first liquid pipe 21, a three-way check valve 22, and a second liquid pipe 23 connected in sequence. The first liquid pipe 21 is connected to the detachable dripping bucket 1, and the end of the second liquid pipe 23 away from the three-way check valve 22 is connected to the first pipe 41 of the three-way connector 4.

[0025] Please see Figure 5The three-way check valve 22 includes: a valve body 221 and a first check valve 222. The valve body 221 is provided with a first pipe 2211, a second pipe 2212, and a third pipe 2213 that are interconnected. The first check valve 222 is connected to the third pipe 2213. The first check valve 222 can realize the one-way flow of the liquid medicine from the first pipe to the second liquid pipe to avoid backflow of the liquid medicine. The first pipe 2211 is connected to the first liquid pipe 21. The end of the first check valve 222 away from the third pipe 2213 is connected to the second liquid pipe 23. The outer side of the end of the second pipe 2212 is provided with a threaded part 22121 for connecting adjacent male connectors. When the product leaves the factory, the end of the second pipe 2212 is sealed with a third protective cap 63 to protect the second pipe 2212 and prevent contamination.

[0026] The structure of the second fluid extraction line 3 is the same as that of the first fluid extraction line 2. When dealing with complex conditions, by setting up the second fluid extraction line 3, two kinds of medications can be delivered to the patient's body at the same time. If it is necessary to interrupt the infusion, a stop clamp can be installed on the first fluid extraction line 2 or the second fluid extraction line 3 to interrupt the infusion.

[0027] Specifically, the infusion line 5 includes a third liquid pipe 51, a filter 52, a fourth liquid pipe 53, and a fifth connector 54 connected in sequence; the third liquid pipe 51 is connected to the third pipe 43 of the tee connector 4.

[0028] The filter 52 includes a housing 521 and a filter element (not shown in the figure). The filter element is disposed inside the housing 521 and is used to block micro-dust particles in the liquid medicine. The two ends of the housing 521 are respectively connected to the third liquid pipe 51 and the fourth liquid pipe 53.

[0029] Specifically, the fifth connector 54 is one of a check valve connector, a rotary connector, an anti-backflow convex connector, or a quick connector. In this embodiment, the fifth connector is a check valve connector, which can effectively prevent blood backflow in the patient's body when the pressure changes in the pipeline. When the product leaves the factory, the fourth protective cap 64 is used to seal and protect the end of the check valve connector.

[0030] In practice, the first protective cap 61 is removed from the second end of the puncture device 12, and the second protective cap 62 is removed from the connecting end 111 of the drip chamber body 11. The puncture device 12 is then screwed onto the drip chamber body 11, and the puncture device 12 is used to puncture the rubber stopper of the medicine bottle to administer intravenous infusion to the patient. If the medicine bottle needs to be changed, the drip chamber body 11 is detached from the puncture device 12 and connected to another puncture device 12. The first protective cap 61 of the other puncture device 12 is removed, and the other puncture device 12 is inserted into another medicine bottle to administer intravenous infusion. This allows for rapid replacement of medicine bottles and improves the operational efficiency of medical staff.

[0031] The present invention discloses an infusion tubing assembly, comprising: a detachable drip chamber, a first infusion tubing, a second infusion tubing, a T-connector, and an infusion tubing. The first and second infusion tubing are connected to the infusion tubing via the T-connector. Two detachable drip chambers are respectively connected to the ends of the first and second infusion tubing. The detachable drip chambers are used to connect to the infusion bottle, and the infusion tubing is used to connect to the patient. The detachable drip chamber includes: a drip chamber body and a puncture device. The puncture device is detachably connected to the drip chamber body. The first end of the puncture device punctures the medicine bottle, and the second end of the puncture device is detachably connected to the drip chamber body. This technology features a detachable drip chamber, with the puncture device and drip chamber body detachably connected. When the patient needs to change the medication bottle, the drip chamber body is detached from the puncture device and connected to another puncture device. The first protective cap of the other puncture device is removed, and the other puncture device is inserted into another medication bottle for infusion. This avoids the repeated puncture of multiple medication bottles with the same puncture device, exposure of the puncture device to air, and contamination of the puncture device. It effectively reduces the risk of bacterial or particulate contamination of the puncture device and can fully meet a variety of special treatment needs.

[0032] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any equivalent modifications or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. An infusion tubing assembly, characterized in that, It includes a detachable drip chamber, a first liquid collection line, a second liquid collection line, a T-connector, and an infusion line. The first liquid collection line and the second liquid collection line are connected to the infusion line through the T-connector. The two detachable drip chambers are respectively connected to the ends of the first liquid collection line and the second liquid collection line. The detachable drip chambers are used to connect to the infusion bottle, and the infusion line is used to connect to the patient end. The detachable drip chamber includes: a drip chamber body and a puncture device. The puncture device is detachably connected to the drip chamber body. The first end of the puncture device punctures the medicine bottle, and the second end of the puncture device is detachably connected to the drip chamber body.

2. The infusion tubing assembly according to claim 1, characterized in that, The second end of the puncture device is provided with a first connecting tube, and the outer side of the end of the first connecting tube away from the puncture device is provided with a first threaded portion; the end of the dripping body away from the first liquid collection tube is provided with a connecting end, which includes: a second connecting cylinder and a second connecting tube. The second connecting cylinder and the second connecting tube are coaxially arranged, and the second connecting cylinder is sleeved on the outer side of the second connecting tube. The inner wall of the second connecting cylinder is provided with a second threaded portion that matches the first threaded portion; the first connecting tube and the second connecting cylinder are detachably connected.

3. The infusion tubing assembly according to claim 1, characterized in that, The tee connector includes a first pipe, a second pipe, and a third pipe that are interconnected. The connection between the first pipe, the second pipe, and the third pipe is a Y-shaped structure. The first liquid intake pipe is connected to the first pipe, the second liquid intake pipe is connected to the second pipe, and the infusion pipe is connected to the third pipe, so as to realize the interconnection of the first liquid intake pipe, the second liquid intake pipe, and the infusion pipe.

4. The infusion tubing assembly according to claim 3, characterized in that, The first liquid intake pipeline includes a first liquid pipe, a three-way check valve, and a second liquid pipe connected in sequence. The first liquid pipe is connected to a detachable dripping bucket, and the end of the second liquid pipe away from the three-way check valve is connected to the first pipe of the three-way connector.

5. The infusion tubing assembly according to claim 4, characterized in that, The three-way check valve includes: a valve body and a first check valve. The valve body is provided with a first pipe, a second pipe, and a third pipe that are interconnected. The first check valve is connected to the third pipe. The first pipe is connected to a first liquid pipe. The end of the first check valve away from the third pipe is connected to the second liquid pipe. The outer side of the end of the second pipe is provided with a threaded part.

6. The infusion tubing assembly according to claim 4, characterized in that, The structure of the second liquid extraction pipeline is the same as that of the first liquid extraction pipeline.

7. The infusion tubing assembly according to claim 3, characterized in that, The infusion line includes a third liquid tube, a filter, a fourth liquid tube, and a fifth connector connected in sequence; the third liquid tube is connected to the third pipe of the tee connector.

8. An infusion tubing assembly according to claim 6, characterized in that, The filters include: The housing and the filter element are arranged inside the housing. The two ends of the housing are connected to the third liquid pipe and the fourth liquid pipe, respectively.

9. An infusion tubing assembly according to claim 6, characterized in that, The fifth connector is one of the following: check valve connector, rotary connector, anti-backflow convex connector, or quick connector.

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