Medical sterile water preparation device

Abstract

The utility model relates to a medical sterile water preparation device which comprises a water distribution structure and water preparation and storage equipment, the water distribution structure comprises a water inlet and a plurality of water outlets, and the water inlet is connected with a water source; the water production and storage equipment is provided with a plurality of water production and storage units, each water production and storage unit is provided with a volume cavity, a water inlet end and a water outlet end, the water inlet end and the water outlet end are communicated with the volume cavity, and independent valves are arranged at the water inlet ends and the water outlet ends of the water production and storage units. The water inlet ends of the water producing and storing units are connected with the water outlets in the water distributing structure in a one-to-one correspondence mode through pipelines, the water storing and using equipment further comprises a main water outlet, and the front end of the main water outlet is correspondingly connected with the water outlet ends of the water producing and storing units through parallel pipelines; and an ultraviolet lamp tube for preparing sterile water is arranged in the volume cavity in each water preparation and storage unit. The device has the advantages of high efficiency, safety, convenience, intelligence, space conservation, energy conservation, environmental protection and the like, and reliable guarantee is provided for preparation and application of medical sterile water.

Description

Technical Field

[0001] The utility model relates to the field of medical equipment, in particular to a medical sterile water preparation device with better preservation performance. Background Art

[0002] Sterile water usually refers to water without bacteria obtained by treating water containing bacterial masses through physical methods such as steam, UHT heat, ultraviolet sterilization, ozone and physical filtration. These treatment methods can effectively kill and filter microorganisms in water while keeping the inorganic salts and other components in the water basically unchanged.

[0003] Sterile water is widely used in laboratories, medical treatments, and industries. Medical sterile water can control the level of bacterial toxins during use to prevent infection, and has little toxicity to the user's body. Therefore, compared with industrial and laboratory fields, its water standards are also higher. At present, medical sterile water is mainly used to dilute or process pharmaceuticals and drugs, and can also be used as water for cleaning instruments in hospital endoscopy and stomatology departments. For example, the Ministry of Health's standard WS310.2-2016 "Hospital Disinfection Supply Center Part 2: Cleaning, Disinfection and Sterilization Technical Operation Specifications" and WS 310.2-2016 "Soft Endoscope Cleaning and Disinfection Technical Specifications" require that sterile water be used for cleaning instruments in hospital endoscopy and stomatology departments, and some departments even stipulate that purified water must be used to clean instruments.

[0004] However, the equipment used to produce medical sterile water and medical purified water in the prior art mostly adopts a dynamic water production method, which generally has the following defects during use:

[0005] Dynamic water-making equipment usually produces water directly during use, that is, sterile water / purified water is obtained through the "made-on-use" method. This treatment method is directly subject to the power consumption of the equipment when using water. If the water consumption is greater than the water production volume, the water production effect of the equipment will be unstable, and it will be difficult to meet the high-standard medical sterile water / purified water use requirements; and the water treatment capacity of dynamic water-making equipment is positively correlated with the equipment size and cost. If the equipment power consumption is increased, the equipment footprint and operation and maintenance costs will increase.

[0006] There is also a technical idea to solve the above problem by using a closed container as a relay device to connect to a dynamic water-making device, using the dynamic water-making device to continuously make water to fill the above-mentioned closed container, and directly extracting water from the closed container when in use. However, in the specific processing, the closed container needs to take in water and discharge water at the same time. During the process of water inlet and outlet, the closed container will exchange substances with the outside, so that the closed container cannot be truly isolated, which makes the water in the closed container at risk of secondary contamination during use. Utility Model Content

[0007] The technical problem solved by the utility model is to provide a medical sterile water preparation device, which can be used to solve the defects in the above technical background.

[0008] The technical problem solved by the utility model is achieved by the following technical solutions:

[0009] A medical sterile water preparation device, comprising a water distribution structure and water preparation and storage equipment;

[0010] The water distribution structure includes a water inlet and a plurality of water outlets, wherein the water inlet is connected to a water source;

[0011] The water production and storage equipment comprises a plurality of water production and storage units, each of which comprises a volume cavity and a water inlet and a water outlet connected to the volume cavity, and each of the water production and storage units is provided with an independent valve at the water inlet and the water outlet; the water production and storage units are connected to the water outlets on the water distribution structure through pipelines at the water inlet, and the water production and storage equipment further comprises a total water outlet, and the front end of the total water outlet is connected to the water outlets of the water production and storage units through parallel pipelines;

[0012] Each of the water production and storage units is provided with an ultraviolet lamp for preparing sterile water in the volume chamber; after the filling is completed, the water production and storage unit enters the water production cycle by turning on the ultraviolet lamp;

[0013] During the water production cycle, the ultraviolet lamp is turned on continuously, and the water inlet and outlet of the water production and storage unit are kept closed and locked by independent valves; the condition for unlocking the independent valve at the water outlet is that the water production cycle is completed; the condition for unlocking the independent valve at the water inlet is that the sterile water prepared in the water production and storage unit is completely discharged.

[0014] As a further limitation, the number of water outlets on the water diversion structure is greater than the number of water production and storage units, and the extra water outlets of the water diversion structure are connected to water quality dynamic monitoring equipment for dynamically monitoring the water quality of the water source.

[0015] As a further limitation, the pipes used to build the water circuit in the device and the water production and storage units are all formed of antibacterial materials or are lined with an antibacterial material layer.

[0016] As a further limitation, when the device uses water, water is taken from the corresponding water production and storage unit by opening the unlocked independent valve at the water outlet;

[0017] When the total water outlet is used for routine water drawing from the water-making and storage equipment, multiple water-making and storage units whose independent valves at the water outlet ends are unlocked are selected as water-drawing units, and the independent valves at the water outlet ends of the multiple water-drawing units are opened sequentially after the sterile water in the previous water-drawing unit is completely drained, so as to enable the device to sequentially draw water from multiple water-making and storage units in the water-making and storage equipment.

[0018] When the total water outlet is used to pressurize water for water production and storage equipment, the independent valves at multiple water outlet ends are opened simultaneously to obtain a pressurized sterile water flow at the total water outlet.

[0019] As a further limitation, the sterile water prepared in the water production and storage unit has a shelf life, and the sterile water prepared in the water production and storage unit is re-produced by restarting the ultraviolet lamp after reaching the shelf life.

[0020] As a further limitation, the main water outlet is also provided with a water outlet switch which can be independently controlled.

[0021] As a further limitation, the locking state of the independent valve at the water inlet end of the water production and storage unit can be released, and the water production and storage unit with the independent valve at the water inlet end unlocked re-enters the filling process.

[0022] As a further limitation, a single water production and storage unit has a higher priority for water extraction among multiple available water production and storage units in the water extraction sequence before the water extraction operation is performed and the sterile water in the volume chamber is completely emptied.

[0023] As a further limitation, the device also includes a controller, which is connected to and controls independent valves provided at the water inlet and outlet of the water production and storage unit, and its control logic is:

[0024] Water production state: the controller controls the independent valves at the water inlet end that are not in the locked state to open, and uses the water distribution structure to distribute water. When distributing water, multiple independent valves at the water inlet end that are in the open state can be opened sequentially or simultaneously to fill the water production and storage units in the open state of the independent valves at the water inlet end, and until all the available water production and storage units are filled;

[0025] Water intake status: The controller controls the water production and storage unit whose independent valve at the water outlet is not locked to act as a water intake unit to take water.

[0026] As a further limitation, a timing controller is also provided in the controller, and the timing controller can be used to set the restart interval duration of the water production cycle; the timing controller is triggered when the water production cycle of the corresponding ultraviolet lamp tube ends.

[0027] The medical sterile water preparation device of the utility model provides an efficient, safe and stable sterile water supply solution, which adopts a water distribution structure combined with a water production and storage unit, and uses multiple water production and storage units to perform static preparation and static storage of sterile water. The technical solution has the following advantages in practical application:

[0028] The device can make full use of idle time and the cross-use time of water production and storage units to efficiently produce water through multiple water production and storage units, effectively ensure the continuous supply of sterile water, and effectively meet the large demand for sterile water in the medical field.

[0029] The prepared sterile water is separated and stored through the water distribution structure and multiple water production and storage units. During use, the "all-in, all-out" water production and use method of the water production and storage units is utilized to greatly reduce the probability of material exchange between the container and the outside, thereby significantly reducing the risk of secondary contamination.

[0030] It can be linked with water-making equipment by configuring the controller to realize intelligent control of water-making equipment, water-making and storage units and independent valves, thereby improving the automation level of the equipment.

[0031] The equipment has a simple structure, can be assembled in units, is easy to disassemble and clean, and reduces the maintenance cost of the equipment. It can also be used in industrial or laboratory fields, and can also be used as a treatment equipment for medical purified water. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of a preferred embodiment of the utility model.

[0033] Among them: 1. Water source equipment; 2. Water distribution structure; 3. Independent valve at the water inlet; 4. Water outlet; 5. Water quality dynamic monitoring equipment; 6. Water production and storage equipment; 7. Water production and storage unit; 8. Water outlet of water production and storage unit; 9. Independent valve at the water outlet; 10. Main water outlet valve; 11. Main water outlet; 12. Ultraviolet lamp. DETAILED DESCRIPTION

[0034] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below with reference to specific illustrations.

[0035] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0036] In the following embodiments, those skilled in the art will understand that, unless otherwise defined, all terms (including technical terms and scientific terms) used herein have the same meaning as generally understood by those skilled in the art to which this application belongs.

[0037] See also Figure 1 A preferred embodiment of a medical sterile water preparation device is provided. In this embodiment, the medical sterile water preparation device is suitable for medical institutions, laboratories and other places with high water quality requirements, and can meet the needs of various medical sterile water, providing a convenient, efficient and safe sterile water supply solution for various places. Through the medical sterile water preparation device of this embodiment, medical staff or other operators can easily obtain medical sterile water, ensuring the sanitary safety of medical equipment and patients and reducing the risk of water contamination. In addition, the technical solution of this embodiment can also be used for related equipment for purifying water.

[0038] The medical sterile water preparation device includes a water source device 1 and a water preparation and storage device 6. The water source device 1 can be directly connected to the household pipe structure of the municipal tap water pipe or other water purifier structures with water pre-purification function in different embodiments. In other embodiments, in order to improve the integration of the equipment, the corresponding water source device 1 can also be integrated with other structures of this embodiment and used as a whole.

[0039] The water source device 1 is provided with a water distribution structure 2 at the water outlet, which includes a water inlet for connecting to the water source device 1 and seven water outlets 4 with independent valves 3 at the water inlet end. Six of the seven water outlets 4 are respectively connected to six water production and storage units 7 in the water production and storage device 6, and the extra water outlet 4 is connected to the water quality dynamic monitoring device 5. By setting the water quality dynamic monitoring device 5, the water outlet of the water source device 1 can be monitored in real time to ensure that the water quality meets the standards.

[0040] The water-making and storage equipment 6 of the present embodiment includes an outer shell formed of a metal sheet, and six water-making and storage units 7 are encapsulated in the outer shell. The water-making and storage units 7 have the same structure and are all square box structures with a narrow width. Multiple water-making and storage units 7 with square box structures can be conveniently arranged in parallel to improve the space utilization rate of the equipment. The water-making and storage unit 7 has a volume cavity for containing raw water. The water-making and storage unit 7 is provided with an ultraviolet lamp 12 in the volume cavity. The ultraviolet lamp 12 is used to irradiate and sterilize the raw water in the volume cavity to obtain sterile water. The arrangement of the ultraviolet lamp 12 in the volume cavity of the corresponding water-making and storage unit 7 is based on the principle that the raw water in the volume cavity can be uniformly irradiated without irradiation dead angles.

[0041] A water inlet is provided on the upper part of the water making and storage unit 7, and the water inlet is connected to the water outlet 4 on the water distribution structure 2 through a pipeline to receive the raw water provided by the water source equipment 1; when the volume cavity in the water making and storage unit 7 is filled with raw water, the independent valve 3 at the water inlet end corresponding to the water making and storage unit 7 is closed and enters a locked state; the condition for unlocking the independent valve 3 at the water inlet end is that the sterile water prepared in the water making and storage unit 7 is completely discharged.

[0042] A water outlet is provided at the bottom of the water-making and storage unit 7, and the water outlet is provided with an independent water outlet pipeline with an independent valve 9 at the water outlet end. The corresponding water-making and storage unit 7 realizes one-way water outlet through the independent valve 9 at the water outlet end, and can effectively prevent the outlet water from flowing back into the water-making and storage unit 7. The water-making and storage unit 7 is assembled and connected with the total water outlet 11 of the water-making and storage equipment 6 at the end of the water outlet pipeline, and the total water outlet 11 is the water receiving end of the device; and in order to facilitate use and maintenance, a total water outlet valve 10 is also provided on the total water outlet 11.

[0043] In the water production cycle of the ultraviolet lamp 12 of the water production and storage unit 7, the water production and storage device 6 of this embodiment is continuously turned on, and the independent valve 3 at the water inlet end and the independent valve 9 at the water outlet end of the water production and storage unit 7 are both kept closed and locked. Different from the unlocking condition of the independent valve 3 at the water inlet end, the unlocking condition of the independent valve 9 at the water outlet end is that the lock is unlocked when the water production cycle is completed. After unlocking, the independent valve 9 at the water outlet end can be opened together with the main water outlet valve 10 to realize the water intake operation when the main water outlet 11 needs water.

[0044] In this embodiment, the six water production and storage units 7 in the water production and storage equipment 6 are arranged side by side and assembled into one on the opposite side walls through an assembly structure. This assembly structure allows a single water production and storage unit 7 to be quickly replaced when damaged, and also facilitates daily cleaning and maintenance of the water production and storage unit 7.

[0045] In addition, in actual applications, the water production and storage unit 7 in the water production and storage equipment 6 can also be adjusted and improved according to specific needs. For example, the number, size and arrangement can be adjusted according to the actual water consumption, the water inflow of the water source equipment 1 and the water production capacity of a single water production and storage equipment 6 to meet the water demand of different scenarios; for example: the ultraviolet lamp 12 requires a certain sterilization time (i.e. corresponding to the water production cycle of a single water production and storage equipment 6) for aseptic treatment of raw water, and its sterilization time is affected by many factors. When the ultraviolet lamp 12 in a single water production and storage equipment 6 requires a longer sterilization time, the number of water production and storage equipment 6 can be increased, and the water production cycle time can be evenly distributed through multiple water production and storage equipment 6 to ensure the continuity of water use.

[0046] The present embodiment also involves a pipeline structure for connecting to form a continuous water circuit, and the corresponding pipeline structure has a pumping device for forming a sterile water flow. Those skilled in the art can set the above-mentioned pipelines and pumping devices according to actual needs. At the same time, the pipelines constituting the water circuit of this embodiment and the water production and storage unit 7 are all made of antibacterial materials or lined with an antibacterial material layer to ensure the quality and storage time of the sterile water in the equipment.

[0047] The device of this embodiment also includes a controller, which is a logic controller, which is connected to and controls the independent valve 3 at the water inlet end and the independent valve 9 at the water outlet end of the water production and storage unit 7. When the water source device 1 remains open, the user can use the controller to realize the automatic operation of water production and water use of the device:

[0048] When the water production function is turned on by the controller, the water source device 1 is used to provide raw water, and the raw water is filled into different water production and storage units 7 through the corresponding independent valves 3 at the water inlet end of the water distribution structure 2. The filling process can be selected according to the actual situation. Sequential filling or synchronous filling;

[0049] Under the sequential filling condition, when a single water-making and storage unit 7 is being filled, the independent valve 3 at the water inlet end corresponding to the other five water-making and storage units 7 in the water distribution structure 2 is in a closed state, and the water-making and storage unit 7 connected to the single water outlet 4 with the independent valve 3 at the water inlet end opened is filled with sterile water; when the water level in the water-making and storage unit 7 reaches the set height (full), the independent valve 3 at the water inlet end is automatically closed and enters a forced locking state (the forced locking state can only be released by completely draining the water stored in the corresponding water-making and storage unit 7 or manually releasing it at the controller end).

[0050] When an independent valve 3 at the water inlet end is in a forced locking state, the next independent valve 3 at the water inlet end in the raw water filling cycle sequence is opened, and the water production and storage unit 7 on the corresponding connecting pipeline enters the raw water filling cycle; when all water production and storage units 7 are filled, the raw water filling operation is completed.

[0051] Under the synchronous filling condition, the filling method for a single water production and storage unit 7 is the same, and the only difference is that the water source equipment 1 will fill multiple water production and storage units 7 simultaneously.

[0052] After the raw water filling operation is completed, the sterile water preparation operation can be carried out in the water production and storage unit 7. During the sterile water preparation operation, the ultraviolet lamp 12 in the corresponding water production and storage unit 7 remains on and continues for a sterilization cycle and then goes out. The sterilization cycle duration corresponds to a water production cycle. After the ultraviolet lamp 12 operation is completed, the raw water in the corresponding water production and storage unit 7 can be converted into sterile water.

[0053] Taking into account that sterile water has a certain shelf life, this embodiment further provides a timing controller in the controller, which can be used to set the restart interval of the water production cycle. The restart interval corresponds to the shelf life of the sterile water. The timing controller is triggered at the end of the water production cycle of the corresponding ultraviolet lamp, and restarts the ultraviolet lamp 12 after the sterile water expires and reloads a water production cycle, that is, available sterile water is obtained again in the corresponding water production and storage unit 7.

[0054] During the shelf life of sterile water, the sterile water is kept purely static in the water production and storage unit 7. In this way, the sterile water in the water production and storage unit 7 always remains fresh, avoiding the risk of secondary contamination; it can also ensure that the stored sterile water has a longer shelf life.

[0055] When the water use function is turned on by the controller, the main water outlet valve 10 is opened, and the main water outlet 11 takes water from the water production and storage unit 7 through the parallel water outlet pipeline; in different embodiments, the main water outlet 11 also has two ways of taking water from the water production and storage unit 7:

[0056] The normal water outlet state is sequential water extraction, that is, the total water outlet 11 only extracts water from a single water production and storage unit 7 at the same time, and the independent valve 9 at the water outlet end of the corresponding water production and storage unit 7 opens the next water production and storage unit 7 to extract water in sequence when the water stored in the corresponding water production and storage unit 7 is discharged, so as to realize the sequential water extraction of multiple water production and storage units 7 in the water production and storage equipment 6 by the total water outlet 11.

[0057] In the pressurized water outlet state, the total water outlet 11 can draw water from multiple water production and storage units 7 at the same time. The water intake method is the same, but the water pressure of the total water outlet 11 can be increased by drawing water from multiple water production and storage units 7 at the same time.

[0058] The device of this embodiment can make full use of the idle time and the cross-use time of the water production and storage units 7 to produce water efficiently, ensure the continuous supply of sterile water, and meet the characteristics of the large demand for sterile water in the medical field; and when using water, no matter which of the two water outlet states the device is in, during the water outlet process, a single water production and storage unit 7 can cooperate with the "all-in and all-out" water production and water use method of the water production and storage unit 7 to ensure that the sterile water produced in each water production and storage unit 7 will not be mixed with water from any other channel or other media before it is completely used, thereby reducing the probability of material exchange between the container and the outside and greatly reducing the risk of secondary contamination.

[0059] In this embodiment, the water quality dynamic monitoring device 5 can also be connected to the controller for communication. If an abnormal situation occurs, the controller will immediately start the processing program (such as sending an error code or issuing an audible and visual alarm) to ensure water safety.

[0060] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the purpose of these embodiments is only to illustrate the utility model and is not intended to limit the scope of protection of the utility model. In addition, it should also be understood that after reading the technical content of the utility model, those skilled in the art can make various changes, modifications and / or variations to the utility model, and all of these equivalent forms also fall within the scope of protection defined by the claims attached to this application.

Claims

1. A medical sterile water preparation device, characterized in that: Including water distribution structure and water production and storage equipment; The water distribution structure includes a water inlet and a plurality of water outlets, wherein the water inlet is connected to a water source; The water-making and storage equipment comprises a plurality of water-making and storage units, each of which comprises a volume cavity and a water inlet and a water outlet connected to the volume cavity, and each of the water-making and storage units is provided with independent valves at the water inlet and the water outlet; the water-making and storage units are connected one-to-one with the water outlets on the water distribution structure through pipelines at the water inlet, and the water-making and storage equipment further comprises a total water outlet, and the front end of the total water outlet is correspondingly connected with the water outlets of the water-making and storage units through parallel pipelines; each of the water-making and storage units is provided with an ultraviolet lamp for preparing sterile water in the volume cavity.

2. The medical sterile water preparation device according to claim 1, characterized in that: The number of water outlets on the water distribution structure is greater than the number of water production and storage units, and the extra water outlets of the water distribution structure are connected with water quality dynamic monitoring equipment for dynamically monitoring the water quality of the water source.

3. The medical sterile water preparation device according to claim 1, characterized in that: The pipes used to build the waterway in the device and the water production and storage units are all made of antibacterial materials or are lined with an antibacterial material layer.

4. The medical sterile water preparation device according to claim 1, characterized in that: When the device uses water, water is taken from the corresponding water production and storage unit by opening the unlocked independent valve at the water outlet; When the total water outlet is used to routinely draw water from the water production and storage equipment, multiple water production and storage units whose independent valves at the water outlet ends are unlocked are selected as water intake units, and the independent valves at the water outlet ends of the multiple water intake units are sequentially opened after the sterile water in the previous water intake unit is completely drained, so as to realize the sequential water intake of the multiple water production and storage units in the water production and storage equipment by the device; When the total water outlet is used to pressurize water for water production and storage equipment, the independent valves at multiple water outlet ends are opened simultaneously to obtain a pressurized sterile water flow at the total water outlet.

5. The medical sterile water preparation device according to claim 1, characterized in that: The sterile water prepared in the water production and storage unit has a shelf life. After the sterile water prepared in the water production and storage unit reaches the shelf life, the ultraviolet lamp is restarted to perform secondary water production.

6. The medical sterile water preparation device according to claim 1, characterized in that: The main water outlet is also provided with a water outlet switch which can be independently controlled.

7. The medical sterile water preparation device according to claim 1, characterized in that: The locking state of the independent valve at the water inlet end of the water production and storage unit can be released, and the water production and storage unit with the independent valve at the water inlet end unlocked re-enters the filling process.

8. The medical sterile water preparation device according to claim 1, characterized in that: Before a single water production and storage unit has been operated to draw water and the sterile water in the volume chamber is completely emptied, it has a higher priority for water drawing among multiple available water production and storage units in the water drawing sequence.

9. The medical sterile water preparation device according to claim 1, characterized in that: The device also includes a controller, which is communicatively connected with and controls independent valves arranged at the water inlet and outlet ends of the water production and storage units.

10. The medical sterile water preparation device according to claim 9, characterized in that: The controller is also provided with a timing controller, which can be used to set the restart interval duration of the water production cycle; the timing controller is triggered when the water production cycle of the corresponding ultraviolet lamp ends.

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