CN211357061U

CN211357061U - Infusion rewarming device

Info

Publication number: CN211357061U
Application number: CN201922060162.5U
Authority: CN
Inventors: 王飞
Original assignee: Sichuan Nigale Biomedical Inc
Current assignee: Sichuan Nigale Biomedical Inc
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-08-28
Anticipated expiration: 2029-11-25

Abstract

The utility model provides an infusion rewarming device, including upper cover (24) and the lower cover (27) that generates heat, upper cover (24) and the lower cover (27) that generate heat between connect into the cavity in set up back temperature pipe (3) and heating element (26), heating element (26) carry out the heat treatment to back temperature pipe (3). The temperature return pipe (3) is preferably arranged in a shape of a Chinese character hui, and the heating component (26) is preferably mica heating sheets. The utility model discloses a heating element carries out heat treatment to the tempering pipe, can make the temperature that is in the infusion liquid in the tempering pipe rise to prevent effectively that infusion liquid from because of the low viscosity increase of temperature, through the viscosity that reduces infusion liquid, can strengthen the mobility of infusion liquid, thereby make the infusion efficiency of infusion liquid improve correspondingly.

Description

Infusion rewarming device

Technical Field

The utility model belongs to the technical field of infusion rewarming design and specifically relates to an infusion rewarming device who is applied to ultraviolet inactivation equipment is related to.

Background

In the existing clinical ultraviolet inactivation operation, in the actual operation, a certain volume of blood containing virus cells needs to be collected firstly, then anticoagulant and photosensitizer are mixed into the collected isolated blood, and then inactivation treatment is carried out in an ultraviolet irradiation mode.

In the inactivation treatment process, the ultraviolet inactivation sample needs to be subjected to cooling treatment firstly, and then is subjected to heating and temperature returning treatment under certain conditions after the ultraviolet irradiation is finished. The hardware and the operation are independent, and the container transfer operation in each operation needs a professional to complete. The inactivation operation mode not only increases the labor intensity of inactivation operators, but also more importantly, the single inactivation treatment capacity is small, the time is long, the inactivation operation efficiency is low, and therefore, the blood collection and treatment capacity needs to be increased, so that the unnecessary waste of blood resources is caused; in addition, in the inactivation operation process, the collected in vitro blood is difficult to be uniformly mixed through a shaking table, so that the inactivation is incomplete, the problems of cross infection, large consumption of consumables and the like are easily caused, and the safety risk of the inactivation operation and the waste of inactivation consumables are increased.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: aiming at the problems in the prior art, the infusion rewarming device is provided to reduce the viscosity of the infusion liquid.

The to-be-solved technical problem of the utility model adopts following technical scheme to realize: the utility model provides an infusion rewarming device, is including the upper cover that generates heat and the lower cover that generates heat, the upper cover that generates heat and the lower cover that generates heat between connect into cavity structures the cavity in set up back temperature pipe and heating element, heating element carry out heat treatment to back temperature pipe.

Preferably, the temperature return pipe is arranged in a shape of a Chinese character hui.

Preferably, the heating component is a mica heating sheet.

Preferably, a detachable fixed connection structure is formed between the heating upper cover and the heating lower cover through screws.

Preferably, the heating upper cover is provided with a positioning connecting column, the heating lower cover is provided with a positioning hole matched with the positioning connecting column, and the heating upper cover and the heating lower cover are positioned through the positioning connecting column.

Preferably, the heating lower cover is provided with a positioning connecting column, the heating upper cover is provided with a positioning hole matched with the positioning connecting column, and the heating upper cover and the heating lower cover are positioned through the positioning connecting column.

Preferably, the heating upper cover and/or the heating lower cover are of a square structure.

Compared with the prior art, the beneficial effects of the utility model are that: the heating upper cover and the heating lower cover are connected into a hollow cavity structure, the temperature return pipe and the heating component are arranged in the hollow cavity, and the heating component is used for heating the temperature return pipe, so that the temperature of infusion liquid in the temperature return pipe can be increased, and the viscosity of the infusion liquid is effectively prevented from being increased due to low temperature; by reducing the viscosity of the infusion liquid, the fluidity of the infusion liquid can be enhanced, which is beneficial to improving the infusion efficiency of the infusion liquid.

Drawings

Fig. 1 is a three-dimensional structure schematic diagram of the ultraviolet inactivation instrument.

Fig. 2 is a front view of the ultraviolet inactivation apparatus shown in fig. 1.

Fig. 3 is a side view of the uv inactivation apparatus shown in fig. 1.

Fig. 4 is a top view of the uv inactivation apparatus shown in fig. 1.

Fig. 5 is a schematic diagram of the working principle of the ultraviolet inactivation apparatus shown in fig. 1.

Fig. 6 is a schematic three-dimensional configuration diagram of the ultraviolet irradiation device.

Fig. 7 is a front view of the ultraviolet irradiation device shown in fig. 6.

Fig. 8 is a side view of the ultraviolet irradiation device shown in fig. 6.

Fig. 9 is a three-dimensional structure diagram of the infusion rewarming device of the present invention.

Fig. 10 is a front view of the infusion rewarming device of fig. 9.

Fig. 11 is a top view of the infusion rewarming device of fig. 9.

Fig. 12 is a side view of the infusion rewarming device of fig. 9.

Fig. 13 is a schematic diagram of the construction of the ultraviolet inactivation pipeline system.

Fig. 14 is a partially enlarged view of a portion a in fig. 13.

Fig. 15 is a partially enlarged view of a portion B in fig. 13.

The labels in the figure are: 1-a rack, 2-an air detector, 3-a temperature return tube, 4-a saline pump, 5-an anticoagulant pump, 6-a blood collection pump, 7-a support, 8-HMI, 9-an ultraviolet irradiation tube, 10-a coil support, 11-a fan, 12-an ultraviolet lamp tube, 12a-UVA lamp, 12b-UVB lamp, 13-a saline bag, 14-an anticoagulant bag, 15-a photosensitizer bag, 16-a flow regulator, 17-a temperature reducer, 18-a temperature return cabin, 19-an inactivation sample bag, 20-UVA lamp holder, 21-UVB lamp holder, 22-a guide rail, 23-a slide block, 24-a heating upper cover, 25-a positioning connection column, 26-a heating component, 27-a heating lower cover, 28-a first blood collection device, and 29-a flow regulator, 30-tee joint, 31-saline puncture outfit, 32-anticoagulant puncture outfit, 33-infusion regulator, 34-drip funnel, 35-photosensitizer puncture outfit, 36-filter, 37-pipeline connector, 38-second blood collector, 39-saline pipeline, 40-anticoagulant pipeline, 41-photosensitizer adding pipeline, 42-sampling pipeline and 43-pump card.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The ultraviolet inactivation instrument shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 mainly comprises a rack 1 and a coil frame 10, wherein an irradiation cabin and a temperature returning cabin 18 are respectively formed on the rack 1, an ultraviolet irradiation device is arranged in the irradiation cabin, an infusion rewarming device is arranged in the temperature returning cabin 18, and an air detector 2, a saline pump 4, an anticoagulant pump 5, a blood collection pump 6 and an HMI8 are respectively arranged on the rack 1. The coil frame 10 and the frame 1 form a movable connection which slides linearly relatively, and the ultraviolet irradiation tube 9 is arranged on the coil frame 10. Generally, the coil frame 10 is fixedly provided with a sliding block 23, and the frame 1 is fixedly provided with a guide rail 22, so that the coil frame 10 and the frame 1 can form a movable connection which can slide linearly relative to each other through the cooperation of the guide rail 22 and the sliding block 23. When the coil pipe frame 10 is pulled out in a sliding way relative to the frame 1, the ultraviolet irradiation pipe 9 can be conveniently installed; when the ultraviolet irradiation tube 9 which slides to the coil frame 10 relative to the rack 1 is in the irradiation chamber, the ultraviolet irradiation device can perform ultraviolet inactivation treatment on the inactivation sample in the ultraviolet irradiation tube 9.

As shown in fig. 6, 7 and 8, the ultraviolet irradiation device includes an ultraviolet lamp 12, and the ultraviolet lamp 12 performs ultraviolet inactivation treatment on the inactivation sample in the ultraviolet irradiation tube 9 on the bobbin holder 10. In order to improve the ultraviolet inactivation treatment efficiency and inactivation quality, the ultraviolet lamp tubes 12 are provided with a plurality of ultraviolet lamp tubes and divided into two layers, and the two layers of ultraviolet lamp tubes 12 are respectively positioned at two opposite sides of the coil frame 10; preferably, the two layers of ultraviolet lamps 12 are symmetrically distributed on two opposite sides of the coil frame 10 by taking the coil frame 10 as a symmetry axis, and the ultraviolet lamps 12 in the same layer are preferably arranged at equal intervals. In addition, the ultraviolet lamp tube 12 includes a UVA lamp 12a and a UVB lamp 12b, the UVA lamp 12a is fixed by a UVA lamp socket 20, and the UVB lamp 12b is fixed by a UVB lamp socket 21; the ultraviolet lamp tubes 12 in the same layer preferably also include UVA lamps 12a and UVB lamps 12b, and the UVA lamps 12a are alternately disposed with the UVB lamps 12b, or the UVA lamps 12a on one side of the dish rack 10 are disposed opposite to the UVB lamps 12b on the other side of the dish rack 10. By adopting the structural design, the uniform illumination of the ultraviolet irradiation device can be ensured, and the inactivation treatment efficiency can be improved.

The infusion rewarming device is constructed as shown in fig. 9, fig. 10, fig. 11 and fig. 12, and specifically comprises a rewarming tube 3, a heating upper cover 24, a heating component 26 and a heating lower cover 27, wherein the heating upper cover 24 and the heating lower cover 27 are generally square structures, and a pipeline installation channel is embedded in the heating upper cover 24 and used for fixing the rewarming tube 3. The heating upper cover 24 and the heating lower cover 27 are connected to form a hollow cavity structure, the hollow cavity is internally provided with the temperature return pipe 3 and the heating component 26, the input end of the temperature return pipe 3 is communicated with the output end of the ultraviolet irradiation pipe 9 through a pipeline, and the heating component 26 heats the temperature return pipe 3. The heating upper cover 24 and the heating lower cover 27 can be fixedly connected through rivets, or can form a detachable fixed connection structure through screws.

The heating element 26 is preferably a mica heating plate, and the mica heating plate is embedded between the heating upper cover 24 and the heating lower cover 27 so as to transfer heat to the heating upper cover 24 and the heating lower cover 27. The mica heating sheet is made of inorganic materials, so that the mica heating sheet has stable performance, small thermal inertia and high heating speed, and the electrical performance of the mica heating sheet is unchanged under the conditions of a working state and a storage and transportation state, and the mica heating sheet can realize full-area heating and uniform thermal field, and the heating uniformity can reach more than 85 percent.

In order to ensure the heating working reliability of the heating component 26, a positioning connecting column 25 can be formed on the heating upper cover 24, correspondingly, a positioning hole matched with the positioning connecting column 25 is formed on the heating lower cover 27, and the heating upper cover 24 and the heating lower cover 27 are positioned through the positioning connecting column 25; alternatively, a positioning connection post 25 may be formed on the lower heat-generating cover 27, and correspondingly, a positioning hole matched with the positioning connection post 25 is formed on the upper heat-generating cover 24, and the upper heat-generating cover 24 and the lower heat-generating cover 27 are positioned by the positioning connection post 25, as shown in fig. 12.

When the ultraviolet inactivation operation is performed, as shown in fig. 5, 13, 14 and 15, one end of the ultraviolet irradiation tube 9 is communicated with one end of the sampling tube 42 through the tube connector 37, the other end of the sampling tube 42 is connected to the first blood collector 28, the other end of the ultraviolet irradiation tube 9 is also communicated with one end of the temperature return tube 3 through the tube connector 37, and the other end of the temperature return tube 3 is connected to the second blood collector 38; the sampling pipeline 42 and the temperature return pipe 3 are respectively provided with a flow regulator 29 and a filter 36, wherein the filter 36 on the sampling pipeline 42 is arranged between the photosensitizer adding pipeline 41 and the blood sampling pump 6. In addition, the sampling pipeline 42 is communicated with one end of the saline pipeline 39 through the tee joint 30, the other end of the saline pipeline 39 is connected with the saline puncture outfit 31, the saline puncture outfit 31 is communicated with the saline bag 13, and the saline pump 4 is arranged on the saline pipeline 39; similarly, the sampling line 42 communicates with one end of the anticoagulant line 40 through the tee 30, the other end of the anticoagulant line 40 is connected to the anticoagulant puncture device 32, the anticoagulant puncture device 32 communicates with the anticoagulant bag 14, and the anticoagulant pump 5 is disposed on the anticoagulant line 40; similarly, the sampling pipeline 42 is communicated with one end of the photosensitizer adding pipeline 41 through the tee joint 30, the other end of the photosensitizer adding pipeline 41 is connected with the photosensitizer puncture outfit 35, the photosensitizer puncture outfit 35 is communicated with the photosensitizer bag 15, the photosensitizer adding pipeline 41 is provided with the flow regulating device 16, and the flow regulating device 16 comprises a dropping funnel 34, an infusion regulator 33 and a flow regulator 29 which are communicated in sequence so as to regulate the adding speed of the photosensitizer. By adopting the structure design, the ultraviolet inactivation pipeline system is formed.

When the ultraviolet inactivation pipeline system works, the first blood collector 28 and the second blood collector 38 are respectively connected with the inactivation sample bag 19, and usually, riboflavin is used as a photosensitizer. First, the saline pump 4 is started and normal saline is infused into the sampling line 42 through the saline line 39, so as to flush the ultraviolet inactivation line system and simultaneously exhaust air residue therein. Then, after the temperature in the irradiation chamber and the temperature return chamber 18 reaches the predetermined working temperature, the anticoagulant pump 5 is started, anticoagulant is infused into the sampling pipeline 42 through the anticoagulant pipeline 40, photosensitizer is infused into the sampling pipeline 42 through the photosensitizer adding pipeline 41, the inactivation sample mixed with the anticoagulant and the photosensitizer is infused into the ultraviolet irradiation tube 9 through the blood collection pump 6, and the ultraviolet irradiation device carries out ultraviolet inactivation treatment on the inactivation sample in the ultraviolet irradiation tube 9.

The ultraviolet irradiation tube 9 on the coil pipe frame 10 is arranged in a shape of a square-circle structure, so that the ultraviolet inactivation area in unit time is increased, and the ultraviolet inactivation treatment efficiency is improved. During the inactivation process, the ultraviolet lamp 12 itself and some components in the inactivated sample such as blood absorb ultraviolet rays, which will generate a great amount of heat effect, which will adversely affect the inactivated sample such as blood and the inactivation equipment itself. For this purpose, a cooling device 17 may be disposed on the rack 1, and when the temperature in the irradiation chamber is higher than a specified inactivation temperature, the cooling device 17 performs a cooling treatment on the irradiation chamber. The cooling device 17 is preferably a fan 11, and usually, the number of the fans 11 is several, and the several fans 11 are equally distributed and installed on two opposite sides of the irradiation chamber. The radiation chamber may be cooled by the fan 11 to ensure that the temperature within the chamber is maintained within a predetermined operating temperature range.

The inactivation sample output by the ultraviolet irradiation tube 9 is subjected to rewarming treatment by the rewarming chamber 18, and when the temperature in the rewarming chamber 18 is lower than a specified temperature, the rewarming chamber 18 is subjected to heating treatment by an infusion rewarming device. By providing the temperature-returning chamber 18, the liquid inactivation sample can be prevented from increasing in viscosity due to low temperature. The temperature return pipe 3 is arranged in a shape of a Chinese character hui so as to improve the rewarming treatment efficiency of the inactivated sample.

Finally, when the treatment capacity of the inactivated sample in the inactivated sample bag 19 reaches a set value, the photosensitizer adding pipeline 41 is closed, and the anticoagulant pump 5 stops working; the saline pump 4 is started again, and the residual blood sample in the ultraviolet inactivation pipeline system can be subjected to light inactivation treatment, so that waste of blood resources is reduced.

In the ultraviolet inactivation treatment operation process, the whole inactivation operation can be continuously carried out, various containers do not need to be frequently transferred by professionals, even mixing operation does not need to be carried out by means of a traditional shaking table, the labor intensity of inactivation operators is effectively reduced, the single inactivation treatment capacity can be improved, the inactivation treatment operation efficiency is correspondingly improved, meanwhile, cross infection is effectively avoided, the safety risk of inactivation operation is reduced, and the waste of inactivation consumables and unnecessary waste of blood resources are reduced.

In order to facilitate the installation of the saline bag 13, the anticoagulant bag 14 and the photosensitizer bag 15, a bracket 7 can be arranged on the frame 1, and the bracket 7 is fixedly connected with the frame 1. In addition, the saline pipelines 39 at the two ends of the saline pump 4 can be fixed by the pump clamp 43, the anticoagulant pipelines 40 at the two ends of the anticoagulant pump 5 can also be fixed by the pump clamp 43, the sampling pipelines 42 at the two ends of the blood sampling pump 6 can also be fixed by the pump clamp 43, and the pipelines can be well prevented from moving and shifting by arranging the pump clamp 43.

The above description is only exemplary of the present invention and should not be taken as limiting, and all changes, equivalents, and improvements made within the spirit and principles of the present invention should be understood as being included in the scope of the present invention.

Claims

1. An infusion rewarming device which characterized in that: including generating heat upper cover (24) and lower cover (27) that generates heat, upper cover (24) and the lower cover (27) that generates heat between connect into hollow cavity structure the hollow cavity in set up back temperature pipe (3) and heating element (26), heating element (26) carry out heat treatment to back temperature pipe (3).

2. An infusion rewarming device according to claim 1, wherein: the temperature return pipe (3) is arranged in a shape of a Chinese character hui.

3. An infusion rewarming device according to claim 1, wherein: the heating component (26) is a mica heating sheet.

4. An infusion rewarming device according to any one of claims 1-3, wherein: the heating upper cover (24) and the heating lower cover (27) form a detachable fixed connection structure through screws.

5. An infusion rewarming device according to any one of claims 1-3, wherein: the heating upper cover (24) is provided with a positioning connecting column (25), the heating lower cover (27) is provided with a positioning hole matched with the positioning connecting column (25), and the heating upper cover (24) and the heating lower cover (27) are positioned through the positioning connecting column (25).

6. An infusion rewarming device according to any one of claims 1-3, wherein: the heating lower cover (27) is provided with a positioning connecting column (25), the heating upper cover (24) is provided with a positioning hole matched with the positioning connecting column (25), and the heating upper cover (24) and the heating lower cover (27) are positioned through the positioning connecting column (25).

7. An infusion rewarming device according to any one of claims 1-3, wherein: the heating upper cover (24) and/or the heating lower cover (27) are of square structures.