CN218187340U - Irradiation unit of blood pathogen inactivation treatment system - Google Patents

Abstract

The utility model discloses a blood pathogen inactivation processing system's irradiation unit, including UVB fluorescent tube, ballast and lighting fixture, the lighting fixture multilayer, can dismantle, the UVB fluorescent tube is arranged in a bank on the lighting fixture, lighting fixture middle part fretwork, forms the space that is used for placing the blood bag between the adjacent two-layer lighting fixture. The irradiation unit of the utility model is provided with a plurality of layers of UVB lamp tubes, the illumination is uniform, and the light intensity is monitored in real time through the light intensity sensor, thereby reducing the adverse effect on the inactivation effect caused by overhigh or overlow illumination intensity or uneven illumination; faults of the UVB lamp tube are easy to find, and the maintenance and the replacement are very convenient; the illumination intensity in the inactivation treatment process can be recorded in the whole process, so that the research and the use of parameters are facilitated.

Description

Irradiation unit of blood pathogen inactivation treatment system

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to blood pathogen inactivation processing system's unit that shines.

Background

The use of blood products presents certain risks, such as "window" problems with screening methods, immune silent infection, missed detection due to differences in reagent sensitivity, limitations of the screening methods themselves, and the appearance of new viruses that cannot be detected, among others. In order to improve the safety of blood products, besides strengthening the inquiry examination and pathogen detection of a non-compensated blood donor, the pathogen inactivation treatment of the blood products is an important means for avoiding transfusion infectious diseases on the premise of not influencing the structure and function of blood components and having no adverse reaction on human bodies.

The existing photochemical pathogen inactivation technology for blood components adopts an organic solvent/detergent mixture method (S/D method), a methylene blue photochemical method, a psoralen photochemical method and a riboflavin photochemical method. The riboflavin photochemical method is a novel safer pathogen inactivation method, has the advantages of wide range, safety, no toxicity and stable protein in the treated blood plasma, is widely researched and applied at present, and has better application prospect.

The illumination condition is one of the most important parameters of the riboflavin photochemical method, and a large-scale inactivation cabinet needs to be irradiated by ultraviolet light fully, stably and without dead angles, so that a good inactivation effect can be obtained. Based on this, a special design of the illumination unit inside the inactivation cabinet is required.

SUMMERY OF THE UTILITY MODEL

In order to obtain good illumination condition in the closed inactivation cabinet, the utility model provides an irradiation unit of blood pathogen inactivation processing system.

The utility model adopts the technical scheme as follows: the irradiation unit of the blood pathogen inactivation treatment system comprises UVB lamp tubes, a ballast and lamp holders, wherein the lamp holders are multilayered and detachable, the UVB lamp tubes are arranged on the lamp holders in rows, the middle parts of the lamp holders are hollow, and a space for placing a blood bag is formed between every two adjacent lamp holders

Preferably, the left end and the right end of the lamp holder are provided with a plurality of paired lamp holders, and the UVB lamp tubes are installed on the lamp holders.

Preferably, a light intensity sensor is arranged at the central position of each layer of the lamp holders.

Preferably, a processor is included for receiving the signal from the light intensity sensor and directing the ballast to adjust the current to control the illumination intensity of the UVB lamp.

Preferably, the device comprises a memory for storing the illumination intensity information acquired by the light intensity sensor in real time.

Preferably, the lamp bracket further comprises support plates arranged in pairs, and two ends of the lamp bracket rest on the support plates.

Preferably, one end of the inner side of the supporting plate is provided with a limiting clamping groove, and the end part of the lamp holder is assembled in the limiting clamping groove.

Preferably, the ballast is arranged outside the blood pathogen inactivation treatment system inactivation cabin in a centralized mode.

Preferably, the UVB lamp tube is provided with a temperature sensor and is provided with an overtemperature alarm dial and a buzzer alarm.

Preferably, the UVB lamp tubes on the lamp holders on different layers can be independently controlled to be opened and closed.

The utility model discloses following beneficial effect has: the irradiation unit of the utility model is provided with a plurality of layers of UVB lamp tubes, the illumination is uniform, and the light intensity is monitored in real time through a plurality of light intensity sensors, which is beneficial to timely adjustment and reduces the adverse effect on the inactivation effect caused by overhigh or overlow illumination intensity or uneven illumination; when the UVB lamp tube has a fault, the fault is easy to find, the UVB lamp tube can be detached singly or in a single layer, and the UVB lamp tube is very convenient to overhaul and replace; the illumination intensity data in the inactivation treatment process can be recorded in the whole process, so that the research and the use of parameters are facilitated.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a left side view of the embodiment of the present invention.

Fig. 3 isbase:Sub>A schematic sectional view of the directionbase:Sub>A-base:Sub>A of the embodiment of the present invention.

Fig. 4 is a schematic sectional view of the embodiment of the present invention from B-B.

Fig. 5 is a schematic diagram of an illumination unit in an embodiment of the invention (single layer, ballast not shown).

Fig. 6 is a schematic diagram of another angle of the irradiation unit according to the embodiment of the present invention.

Fig. 7 is an enlarged schematic view of the irradiation unit C in the embodiment of the present invention.

The cabinet body 1, an overtemperature alarm drive plate 114 and a buzzer alarm 115; the lighting device comprises an irradiation unit 2, a UVB lamp tube 201, a ballast 202, a lamp holder 203, a lamp holder 204, a light intensity sensor 205, a supporting plate 206, a limiting clamping groove 207 and a wire groove cover plate 208; a swing unit 3; a temperature control unit 4; a bracket assembly 5.

Detailed Description

The present invention will be further explained with reference to the following examples and the accompanying drawings.

As shown in fig. 1 to 7, the system is a system for inactivating hematopathogens based on riboflavin photochemical method, and comprises a cabinet 1, an irradiation unit 2, a swing unit 3, a temperature control unit 4 and a bracket assembly 5. The cabinet body 1 is an installation platform of an inactivation treatment system, other parts of the system are installed inside the cabinet body 1, and an inactivation bin is arranged inside the cabinet body 1 and is an inactivation working area; the core component of the irradiation unit 2 is a UVB lamp tube 201 which provides ultraviolet irradiation; the temperature control unit 4 is mainly used for refrigerating and is used for heating, and is used for keeping the temperature in the inactivation bin constant; the bracket assembly 5 has a multi-layer tray as a placing part of the blood bag; the swing unit 3 drives the bracket assembly 5 to move so as to realize uniform operation.

As shown in fig. 3 to 7, the irradiation unit includes UVB lamp tubes 201, a ballast 202 and lamp holders 203, the lamp holders 203 are detachable and multilayered, the UVB lamp tubes 201 are arranged on the lamp holders 203 in rows, the middle parts of the lamp holders 203 are hollow, and a space for placing a blood bag is formed between two adjacent layers of lamp holders 203. The structure has the advantages that: the UVB lamp tubes 201 arranged in rows emit narrow-spectrum ultraviolet light with the wavelength within the range of 300 to 308nm, and irradiate the blood bag on the bracket component 5 from the upper direction and the lower direction, so that good irradiation sterilization effect can be ensured; compared with an LED lamp bead, the UVB lamp tube 201 is lower in cost.

As shown in fig. 3 to 7, the cabinet body 1 has supporting plates 206 arranged in pairs, two ends of the lamp holder 203 are placed on the supporting plates 206, the left and right ends of the lamp holder 203 are provided with a plurality of lamp holders 204 arranged in pairs, the uvb lamp 201 is installed on the lamp holders 204, two ends of the lamp holder 203 are provided with wire slots of the lamp holders 204, and wire slot cover plates 208 are provided. With the structure, the lamp holder 203 together with the rows of UVB lamp tubes 201 on the lamp holder can be taken down from the supporting plate 206 as a whole, and a single UVB lamp tube 201 can also be taken down independently, so that the installation and maintenance are convenient. In addition, compared with the LED lamp bead, the UVB lamp tube 201 is easier to find when a fault occurs and is more convenient to replace.

As shown in fig. 5 and 7, a limiting groove 207 is provided at one end of the inner side of the supporting plate 206, and the end of the lamp holder 203 is fitted in the limiting groove 207. The limiting clamping groove 207 is used for limiting and fixing, and the lamp holder 203 can be ensured to be installed in place.

As shown in fig. 6, a light intensity sensor 205 is provided at the center of the lamp holder 203. In the riboflavin photochemical method, the illumination intensity is an important parameter for ensuring the inactivation effect, the illumination intensity of each layer of lamp holder 203 can be monitored in real time through the light intensity sensor 205, the attenuated UVB lamp tube 201 can be found in time and replaced, and the inactivation effect is prevented from being influenced. Furthermore, when the illumination intensity changes, the current can be adjusted in a manual current adjusting mode. A processor may also be provided, which uses the signal from the light intensity sensor 205 as a control signal, and directs the corresponding ballast 202 through the processor, and dynamically adjusts the current supplied to the UVB lamp 201 by the ballast 202 so that the light intensity in the inactivation bin 101 is at a substantially constant level. The mode can effectively reduce the adverse effect on the inactivation effect caused by overhigh and overlow illumination intensity or uneven illumination. In addition, a memory can be arranged for recording the illumination intensity in the whole processing process, so that the research and the use of the process parameters are convenient.

As shown in fig. 3 and 4, the ballast 202 is centrally disposed outside of the inactivation chamber of the blood pathogen inactivation treatment system. Because ballast 202 itself can generate heat, consequently placed alone in the storehouse of pushing up, avoid the harmful effects of temperature rise to the deactivation storehouse, push up the storehouse and establish the louvre, join in marriage radiator fan simultaneously in order to promote the heat dissipation. The ballast 202 maintains a stable temperature by itself, which is also beneficial to the temperature of the illumination intensity of the UVB lamp 201.

In the embodiment, as shown in fig. 1, the UVB lamp 201 is provided with a temperature sensor, and is provided with an overtemperature alarm dial 114 and a buzzer alarm 115. The temperature sensor is generally arranged in an inactivation bin arranged inside the cabinet body 1, and the overtemperature alarm dial 114 and the buzzer alarm 115 are arranged on a panel of the cabinet body 1. This structure can avoid the cabinet body 1 inside high temperature, prevents that blood products from damaging.

In an embodiment, the UVB lamps 201 on different layers of lamp holders 203 can be independently controlled to be opened or closed. The lighting fixture 203 of this embodiment is equipped with 7 layers, can accomplish the deactivation operation of blood bag on the 6 layers of trays simultaneously. When only a part of the trays are provided with blood bags, the UVB lamp tubes 201 on the required lamp brackets 203 can be selectively opened or closed, so that the inactivation operation is more energy-saving and efficient.

It is obvious that the above embodiments of the present invention are only examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other obvious changes and modifications which are obvious from the spirit of the present invention are also within the scope of the present invention.

Claims (10)

1. An irradiation unit of a blood pathogen inactivation treatment system is characterized by comprising UVB lamp tubes (201), a ballast (202) and lamp holders (203), wherein the lamp holders (203) are multi-layer and detachable, the UVB lamp tubes (201) are arranged on the lamp holders (203) in rows, the middle parts of the lamp holders (203) are hollowed out, and a space for placing a blood bag is formed between every two adjacent lamp holders (203).

2. The irradiation unit of a blood pathogen inactivation treatment system according to claim 1, wherein the lamp holder (203) is provided at both left and right ends with a plurality of pairs of lamp holders (204), and the UVB lamp tube (201) is mounted on the lamp holders (204).

3. The irradiation unit of a blood pathogen inactivation treatment system according to claim 1, wherein a light intensity sensor (205) is provided at a central position of each layer of the lamp holder (203).

4. The irradiation unit of claim 3, comprising a processor for receiving the signal from the light intensity sensor (205) and directing the ballast (202) to adjust the current to control the intensity of the UVB lamp (201).

5. The irradiation unit of claim 3, wherein the irradiation unit comprises a memory for storing the light intensity information obtained by the light intensity sensor (205) in real time.

6. The irradiation unit of a blood pathogen inactivation treatment system according to claim 1, further comprising support plates (206) arranged in pairs, wherein both ends of the lamp holder (203) rest on the support plates (206).

7. The irradiation unit of a blood pathogen inactivation treatment system according to claim 6, wherein one end of the inner side of the support plate (206) is provided with a limit slot (207), and the end of the lamp holder (203) is fitted in the limit slot (207).

8. The illumination unit of a blood pathogen inactivation treatment system of claim 1, wherein the ballast (202) is centrally disposed outside of the blood pathogen inactivation treatment system inactivation chamber.

9. The irradiation unit of a blood pathogen inactivation treatment system according to claim 1, wherein the UVB light tube (201) is provided with a temperature sensor and is provided with an overtemperature alarm dial (114) and a buzzer alarm (115).

10. The irradiation unit of a blood pathogen inactivation treatment system according to claim 1, wherein the open and close of the UVB lamps (201) on the lamp holders (203) of different layers can be independently controlled.

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