CN218900469U

CN218900469U - Heating device for transfusion and transfusion device

Info

Publication number: CN218900469U
Application number: CN202221483993.9U
Authority: CN
Inventors: 袁红斌; 傅海龙; 张溪鋆; 华通; 李永华
Original assignee: Jiangsu Aizhiyuan Medical Technology Co ltd; Shanghai Changzheng Hospital
Current assignee: Jiangsu Aimingyuan Medical Technology Co ltd; Shanghai Changzheng Hospital
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2023-04-25
Anticipated expiration: 2032-06-14

Abstract

The utility model provides a heating device and an infusion apparatus for infusion, which belong to the technical field of medical appliances and are used for solving the problem that an infusion pipeline is easy to generate gas to enter a human body when being heated during infusion so as to cause harm to the human body, and the heating device for infusion comprises the following components: the infusion part is of a frame type structure, an infusion flow passage is formed in the infusion part, and an opening is formed in the infusion flow passage; the waterproof and breathable layer is blocked at the opening; at least one heating element for heating the liquid flowing through the infusion flow channel. When the liquid in the infusion flow channel is heated, the waterproof ventilation layer is arranged at the opening, so that on one hand, the outflow of liquid medicine can be prevented, and on the other hand, gas generated in the heating process can be released to the outside of the infusion flow channel, and the phenomenon that excessive accumulated gas enters the human body is avoided.

Description

Heating device for transfusion and transfusion device

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a heating device for transfusion and a transfusion device.

Background

Infusion is commonly used in clinical or surgical procedures, and a large amount of liquid is generally infused from outside the body by veins, and if the infusion temperature is low, the local part of a patient body can be cooled or corresponding reactions such as local pain, spasm or postoperative inflammation can be generated, so that the infusion liquid is heated very importantly, and adverse effects are avoided. The general infusion heating is to heat corresponding pipelines or to make corresponding intermediate transition medicine bags, wherein the pipeline heating adopts coil heating and the intermediate infusion pipeline is wrapped with heating liquid for heating; the transition medicine bag is generally designed into a flat curved flow type, and the heating area is increased for heating. The heated liquid releases a portion of the dissolved gas, which would otherwise be dissolved by the gas from cold to hot, and if not treated, would directly enter the body.

Disclosure of Invention

The utility model aims to at least solve the problem that the liquid medicine is easy to generate gas when heated and enters the human body, thereby causing harm to the human body. The aim is achieved by the following technical scheme:

a first aspect of the present utility model proposes a warming device for infusion, comprising:

the infusion part is of a frame type structure, an infusion flow passage is formed in the infusion part, and an opening is formed in the infusion flow passage;

the waterproof and breathable layer is blocked at the opening;

at least one heating element for heating the liquid flowing through the infusion flow channel.

According to the heating device for transfusion, when liquid in the transfusion flow channel is heated, the waterproof ventilation layer is arranged at the opening, so that on one hand, liquid medicine can be prevented from flowing out, and on the other hand, gas generated in the heating process can be released to the outside of the transfusion flow channel, and excessive accumulated gas is prevented from entering the human body.

In addition, the heating device for transfusion according to the utility model can also have the following additional technical characteristics:

in some embodiments of the utility model, the infusion flow channel is provided with a support rib, the support rib is fixed on the frame structure, and the waterproof and breathable layer is fixed on the opening formed by the support rib and the frame structure.

In some embodiments of the present utility model, the infusion part is formed with a cavity, and sealing films are arranged on two sides of the cavity and are abutted against the support ribs and the frame structure.

In some embodiments of the present utility model, a heat conducting element is attached to a surface of each sealing film, and the heating element is disposed on at least one of the heat conducting elements.

In some embodiments of the present utility model, the number of the infusion parts is at least one, and when the number of the infusion parts is a plurality, the infusion flow passages of the plurality of the infusion parts are connected in parallel.

In some embodiments of the present utility model, the infusion part further includes a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet are respectively disposed at two sides of the length direction of the infusion part, when the number of the infusion parts is plural, the liquid inlets of two adjacent infusion parts are communicated through a liquid inlet pipeline, and the liquid outlets of two adjacent infusion parts are communicated through a liquid outlet pipeline.

In some embodiments of the utility model, when the number of infusion portions is plural, the respective heating elements on the plural infusion portions independently control heating.

In some embodiments of the present utility model, a plurality of heating elements of the infusion part are connected in parallel to form a heating circuit, and a switch is arranged on a parallel branch where each heating element is located.

In some embodiments of the utility model, the infusion part is a flat structure.

A second aspect of the present utility model provides an infusion set comprising a warming device for infusion according to the first aspect, the warming device being in communication with an infusion tube of the infusion set.

According to the infusion apparatus, liquid is input into the heating device through the infusion tube of the infusion apparatus, gas generated by heating the liquid is discharged through the waterproof breathable layer, and meanwhile, the heated liquid enters the human body to avoid discomfort caused by the liquid with relatively low temperature entering the human body.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

FIG. 1 schematically illustrates an overall exploded view of a 1-infusion part in an embodiment of a warming device for infusion according to the present utility model;

fig. 2 schematically shows an overall explosion diagram when the number of infusion parts is 2 in an embodiment of the warming device for infusion of the present utility model.

The reference numerals are as follows:

1. an infusion part; 2. a heat conductive element; 11. a sealing film; 12. a waterproof breathable layer; 11a, a liquid inlet joint; 11b, a liquid outlet joint; 11c, supporting ribs.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For ease of description, spatially relative terms, such as "inner," "outer," "lower," "below," "upper," "above," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.

The infusion channel is provided with the opening, so that gas generated in the liquid heating process can be discharged, and excessive gas is prevented from entering a human body. In addition, the transfusion part is of a flat structure, so that the heat exchange efficiency can be improved, the structure of a heat exchange channel is simplified, and the manufacturing cost is reduced.

According to an embodiment of the present utility model, a warming device for infusion is proposed, as shown in fig. 1, which may specifically include an infusion part 1, a waterproof and breathable layer 12, and at least one heating element; the infusion part 1 is of a frame type structure, an infusion channel is formed inside the infusion part 1, an opening is formed on the surface of the infusion part 1 in the infusion flow channel, and the waterproof breathable layer 12 is used for plugging the opening, so that the outside of the released gas generated by liquid in the infusion channel during heating can be ensured, and the liquid is prevented from exuding outwards; at least one side surface of the infusion part 1 is provided with a heating element for heating the liquid flowing through the infusion flow channel.

The waterproof and breathable layer 12 in this embodiment is a waterproof and breathable structure made of waterproof and breathable materials. The waterproof and breathable material may be a microporous material, a non-porous material, or a microporous and non-porous composite material, for example, polytetrafluoroethylene PTFE microporous membrane, polyurethane PU microporous membrane, ultra-dense fabric, polyethylene PE porous membrane, thermoplastic polyurethane TPU hydrophilic non-porous membrane, PTFE microporous membrane+pu non-porous membrane, fabric+hydrophobic agent coating, pp+pe porous membrane+pp laminated composite, etc., without specific limitation herein.

In one embodiment, referring to fig. 1, the infusion flow channel is fixedly provided with a supporting rib 11c, and the supporting rib 11c is fixedly arranged on the frame structure and is positioned in the infusion flow channel to strengthen and support the infusion part 1; a waterproof and breathable layer 12 is fixed to the opening formed by the support rib 11c and the frame structure. The waterproof breathable layer 12 is provided with a better breathable performance on both sides of the infusion part 1.

In one embodiment, the infusion part 1 is formed with a cavity, sealing films 11 are arranged on two sides of the cavity, the sealing films 11 are close to the supporting ribs 11c and the frame structure, and the sealing films 11, the waterproof breathable layer 12 and the inner surface of the frame structure form an infusion flow channel.

In an embodiment, the surface of each sealing film 11 is adhered with a heat conducting element 2, at least one heat conducting element 2 is provided with a heating element, and the heating element heats the heat conducting element 2, so that heat can be quickly transferred to the sealing film 11, and liquid in the infusion flow channel can be quickly heated. The heating element may be any heating element known in the art, for example, a PCT heating element. The heat conductive member 2 may be made of a material having good heat conduction, for example, copper or aluminum.

In one embodiment, as shown in fig. 2, the number of the infusion parts 1 is at least one, when the number of the infusion parts 1 is multiple, the infusion flow passages of the multiple infusion parts 1 are connected in parallel, that is, the two sides of the cavity of each infusion part 1 are respectively provided with a sealing film 11 and a waterproof breathable layer 12, the surface of the waterproof breathable layer 12 is stuck with a heat conducting element 2, and the heat conducting element 2 is provided with a heating element; the number of the infusion parts 1 is plural, and the infusion temperature can be adjusted for the liquid medicine with larger flow rate.

In one embodiment, the infusion part 1 has a flat structure, and may specifically have a strip-shaped structure. The liquid in the infusion channel can be heated in a short time, and if the infusion part 1 is arranged in a cylindrical shape, compared with the liquid, only part of the liquid is heated, at the moment, the length of the infusion channel needs to be increased to increase the heat exchange efficiency or the number of heating elements is increased to increase the heating temperature, so that the structure is more complicated, and the manufacturing cost is increased. The infusion part 1 is of a flat structure, liquid which can be contained in the infusion part is relatively small, the heated area of the liquid is relatively large, and the infusion part can be quickly heated to achieve the purpose of quick infusion preheating. The frame 11 may be a flat frame body, and the thickness of the infusion part 1 may be kept thin. For example, the frame 11 may be configured as a square frame body having a thickness less than 1/2 of the width to ensure that the fluid is sufficiently heated in the infusion path. The infusion part 1 can be of a flat structure, is beneficial to heat conduction, improves heating efficiency, and simplifies the structure. It should be understood that the above is a preferred implementation of the present embodiment, and the infusion part 1 may be configured in a capsule shape, or other structures as required, as long as the liquid is ensured to pass through the infusion channel, and the heating element heats the infusion channel.

Further, infusion portion 1 still includes inlet and liquid outlet, and inlet and liquid outlet locate infusion portion 1 length direction's both sides respectively, and when infusion portion 1 quantity was a plurality of, the inlet of two adjacent infusion portions 1 was through inlet pipeline intercommunication, and the liquid outlet of two adjacent infusion portions 1 is through liquid pipeline intercommunication, and the inlet pipeline can set up inlet joint 11a, and the liquid pipeline can set up out liquid joint 11b, is convenient for be connected with the transfusion system.

In one embodiment, when the number of infusion parts 1 is plural, the heating elements on each of the plural infusion parts 1 independently control heating. Specifically, the heating elements of the infusion parts 1 are connected in parallel to form a heating circuit, a switch is arranged on a parallel branch where each heating element is located, the heating circuit is powered by a power supply or a battery, and the heating of each infusion part 1 can be independently controlled by the switch.

According to an embodiment of the present utility model, there is provided an infusion set including at least the above-mentioned warming device for infusion, and a intravenous needle hose and an infusion tube; the heating device is communicated with the infusion tube of the infusion apparatus. The liquid inlet connector 11a can be spliced with the liquid outlet end of the infusion hose, and the liquid outlet connector 11b can be spliced with the liquid inlet end of the intravenous needle hose. Thus, the infusion set can be selectively arranged on the infusion set according to specific needs, and flexibility is improved. Of course, the liquid inlet connector 11a is not required, the liquid inlet pipeline is directly and fixedly connected with the liquid outlet of the infusion hose, namely, the structure is not detachable, and only the liquid outlet connector 5 is required to be inserted into the liquid inlet end of the intravenous needle hose. Or, the liquid outlet connector 11b is not arranged, the liquid outlet pipeline and the liquid inlet end of the intravenous needle hose are fixed together, the liquid inlet connector 11a and the liquid outlet end of the infusion hose are spliced together, and any connecting mode can be specifically selected according to specific requirements.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. A warming device for infusion, comprising:

the waterproof and breathable layer is blocked at the opening;

2. A warming device according to claim 1 wherein the infusion flow path is provided with a support rib secured to the frame structure, the waterproof and breathable layer being secured to the opening formed by the support rib and the frame structure.

3. A warming device according to claim 2 wherein the infusion part is formed with a cavity, and sealing films are provided on both sides of the cavity, the sealing films being in close proximity to the support ribs and the frame structure.

4. A warming device according to claim 3, wherein each sealing film has a heat conducting element attached to its surface, at least one of said heat conducting elements having said heating element disposed thereon.

5. The warming device according to any one of claims 1 to 4, wherein the number of the infusion parts is at least one, and when the number of the infusion parts is plural, the infusion flow paths of the plural infusion parts are connected in parallel.

6. The warming device according to claim 5, wherein the liquid feeding portion further comprises a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet are respectively arranged on two sides of the liquid feeding portion in the length direction, and when the number of the liquid feeding portions is plural, the liquid inlets of two adjacent liquid feeding portions are communicated through liquid feeding pipelines, and the liquid outlets of two adjacent liquid feeding portions are communicated through liquid discharging pipelines.

7. The warming device of claim 5 wherein when the number of said infusion portions is plural, the respective heating elements on the plural infusion portions independently control heating.

8. A warming device according to claim 7 wherein a plurality of heating elements of the infusion part are connected in parallel to form a heating circuit, each heating element being provided with a switch in a parallel branch.

9. A warming device according to claim 1 wherein the infusion part is of a flat configuration.

10. An infusion set comprising the warming device of any one of claims 1-9 in communication with an infusion tube of the infusion set.