Water temperature control and injection system for digestive endoscopy and control method of water temperature control and injection system

Abstract

The invention discloses a water temperature control and injection system for a digestive endoscope and a control method of the water temperature control and injection system. The system comprises a preparation unit, a monitoring unit and a water injection control unit, the control method can be used for monitoring the temperature change of the water for the endoscope so as to adjust and restore the preset water temperature. The system can be used for preparing two types of endoscope water, namely warm water and ice water, so that the requirements of clinical use are fully met; two types of endoscope water, namely warm water and ice water, are continuously and automatically prepared, and water supply can be prompted, so that the endoscope program work is efficient and guaranteed.

Description

Technical Field

[0001] The invention relates to a digestive endoscope water temperature control and injection system and a control method thereof, belonging to the field of medical technology. Background Art

[0002] Traditional gas-insertion endoscopy uses gas to expand the gastrointestinal tract to fully expose the visual field, but it often causes discomfort such as abdominal distension and abdominal pain, which reduces the patient's tolerance and compliance with reexamination. In recent years, water-assisted endoscopy has gradually become popular, that is, water is used instead of gas to expand the gastrointestinal tract for endoscopic examination and treatment. Normal saline is commonly used as endoscopic water. Compared with traditional gas-insertion endoscopy, water-assisted endoscopic surgery basically does not change the operation process, and only needs to use water instead of gas to expand the gastrointestinal tract. Studies have shown that under water injection, the intestinal mucosa and submucosal layer float in the water-filled lumen like seaweed, while the muscle layer always remains round. Flat lesions are in a contracted state in water, making resection relatively easy. Water-assisted endoscopy can reduce gastrointestinal spasm, reduce patient discomfort, reduce sedation requirements, and assist in cecal intubation. In addition, water-assisted endoscopy can not only be used for examination, but also for lesion resection, lower gastrointestinal bleeding and sigmoid colon volvulus treatment. During the lesion resection process, the temperature of the colon serosal side was measured before and during the operation. Compared with the 6.1°C increase in the air group, the water-assisted group only increased by 1.4°C, reducing the risk of thermal injury. Water also has a heat dissipation effect, and the risk of mucosal burns and perforation during water-assisted endoscopic resection of lesions is greatly reduced. In terms of endoscopy training, novices are easier to master water-assisted endoscopy, and its overall effectiveness and safety are also better than traditional air-injection endoscopy.

[0003] In daily clinical activities, there are different application scenarios for endoscopic water of different temperatures. For example, iced saline can reduce the temperature of local tissues, which is conducive to promoting vasoconstriction, reducing blood flow and inhibiting gastric secretion and digestion. The activity of fibrinolytic enzymes in the bleeding site is weakened, which increases blood viscosity and promotes platelet aggregation, thereby achieving the purpose of hemostasis; it can improve the body fluid environment in the stomach and reduce body temperature; gastric acid stimulates ruptured blood vessels and causes pain, while iced saline can reduce the sensitivity of nerve endings and help alleviate the perception of pain. Pain stress will cause emotional changes in patients, and they are prone to irritability, anxiety and other emotions, which will not only reduce compliance, but also may aggravate the condition of gastrointestinal bleeding. At a certain temperature, such as between 25℃ and 40℃, as the temperature rises, the metabolism of gastrointestinal smooth muscle tissue accelerates, enzyme activity increases, and the contraction amplitude and rhythm gradually increase; injecting saline close to body temperature until the lesion is completely submerged, relaxes the digestive tract muscles and relieves symptoms. When the temperature exceeds 40°C, the smooth muscle mucosa of the digestive tract is damaged, the enzymes are inactivated, and the contraction amplitude and rhythm tend to decrease with increasing temperature. How to choose endoscopic water of different temperatures and inject saline close to body temperature into the body is an urgent problem to be solved. Summary of the invention

[0004] The technical problem to be solved by the present invention is: when injecting physiological saline close to body temperature into the human body, how to control the temperature of the injected water.

[0005] In order to solve the above technical problems, the technical solution of the present invention is to provide a water temperature control and injection system for digestive endoscopy, characterized in that it includes a preparation unit, a monitoring unit and a water injection control unit;

[0006] The preparation unit is used to prepare the endoscopic water at room temperature to the set temperature, and has two independent temperature adjustment units, namely the warm water preparation subunit and the ice water preparation subunit; the preparation unit also includes a preparation switch subunit, which is connected in parallel to the warm water preparation subunit and the ice water preparation subunit and is connected to the power supply; the preparation switch subunit controls the start and stop of the endoscopic water preparation function at different temperatures;

[0007] The monitoring unit is used to determine whether the real-time parameter value of the system function reaches the preset parameter value, and then adjust and prompt the function status;

[0008] A water injection control unit is used to start or stop driving the position where the endoscope water is injected into the endoscope direction, and is provided with a warm water injection line and a cold water injection line to respectively control the warm water and ice water to be injected into the endoscope direction;

[0009] The monitoring unit includes a temperature monitoring subunit and a weight monitoring subunit. The preparation unit and the temperature monitoring subunit are connected to each other to form a loop. The weight monitoring subunit and the temperature monitoring subunit are respectively connected to the water injection control unit. The signals given by the weight monitoring subunit and the temperature monitoring subunit are used to determine whether to perform water injection.

[0010] The temperature monitoring subunit is used to monitor the real-time water temperature of the endoscope water and interact with the preparation unit;

[0011] The weight monitoring subunit is used to monitor the weight change of the water used for endoscopy and to monitor whether there are any heavy objects placed in the container.

[0012] Preferably, the warm water preparation subunit is provided with a heater to heat the water in the endoscope water bag in the first holding cup; the ice water preparation subunit is provided with a refrigerator to absorb the heat energy of the water in the endoscope water bag and transfer it to the outside of the second holding cup to reduce the temperature of the endoscope water; the preparation switch subunit has two independent control units, namely a temperature adjustment switch module and a water injection control module; the temperature adjustment switch module is used to start or stop the function of temperature adjustment of the endoscope water, and control the warm water preparation and cold water preparation respectively.

[0013] Preferably, the first container of the warm water preparation subunit is provided with an insulation layer to reflect the heat radiation of the heated water back into the container, thereby slowing down the cooling rate of the water; the second container of the ice water preparation subunit is provided with an insulation layer to isolate the external heat radiation outside the container, thereby slowing down the temperature recovery rate of the water.

[0014] Preferably, the temperature monitoring subunit independently monitors the temperature for preparing warm water and the temperature for preparing ice water. If the real-time water temperature value is not within the preset monitoring water temperature value range, the preparation unit starts to adjust the water temperature until the real-time water temperature value reaches the preset water temperature value range, and the preparation unit stops adjusting the water temperature; when it is detected that there are no weight items in the holding cup, the weight monitoring subunit issues an empty cup prompt and cuts off the water filling drive circuit until the water bag for endoscope water is placed in the holding cup, stops the empty cup prompt, and connects the water filling drive circuit.

[0015] Preferably, the warm water preparation subunit is provided with a first container and a heater, the heater is arranged in the cup wall of the first container, and the heating surface of the heater faces the inner cavity of the first container, the inner cavity of the first container accommodates a water bag filled with water for endoscopy, and the bottom of the container is provided with a hole for a water injection hose to pass through; the warm water preparation subunit is provided with a second container and a refrigerator, the refrigerator is arranged in the cup wall of the second container, and the cooling surface of the refrigerator faces the inner cavity of the second container, and the heat dissipation surface faces the outside of the container, the inner cavity of the second container accommodates a water bag filled with water for endoscopy, and the bottom of the container is provided with a hole for a water injection hose to pass through;

[0016] The temperature monitoring subunit is provided with a first temperature monitoring module, a second temperature monitoring module, a temperature controller module and a parameter setting display module. The first temperature monitoring module and the second temperature monitoring module are respectively arranged in the first container and the second container wall, and are arranged on the half side opposite to the container wall where the heater and the refrigerator are located, and the monitoring surface thereof faces the inner cavity of the container; the parameter setting display module is used to set the preset value of the temperature controller; the temperature controller module connects the first temperature monitoring module and the second temperature monitoring module to the power supply in parallel, and receives the signal of the temperature monitoring module;

[0017] The weight monitoring subunit is provided with a first weight monitoring module, a second weight monitoring module and an empty cup prompting module. The first weight monitoring module and the second weight monitoring module are respectively arranged at the bottom of the first container cup and the second container cup, and the monitoring surfaces thereof face the inner cavity of the container cup; the empty cup prompting module is connected in parallel with the first weight monitoring module and the second weight monitoring module to a power supply;

[0018] The water injection control unit is provided with a water injection drive module, a first peristaltic pump module, a second peristaltic pump module and a foot-operated dual switch module, a water injection hose and a three-way pipe. The water injection drive module connects the first peristaltic pump module and the second peristaltic pump module to a power supply in parallel. The foot-operated dual switch module controls the rotation of the first peristaltic pump module and the second peristaltic pump module through the water injection drive module. The water bags containing water for endoscope placed in the first container cup and the second container cup are connected to the two pipe openings of the three-way pipe through two independent water injection hoses respectively. The middle sections of the two independent water injection hoses are clamped by the first peristaltic pump module and the second peristaltic pump module respectively. The other pipe opening of the three-way pipe is connected to the water injection channel of the endoscope.

[0019] Preferably, the temperature monitoring subunit further comprises a parameter setting display unit, which is used to set monitoring preset values ​​and display specific values ​​and functional status. The parameter setting display unit sets warm water preset values ​​and ice water preset values ​​respectively and displays specific values.

[0020] Preferably, the parameter setting display unit can prompt the preparation function status of heating or cooling; the monitoring preset value is a fixed value, which is the weight value of the endoscope water bag in the empty bottle state.

[0021] Preferably, the temperature controller module includes a memory and a processor, the memory stores custom settings for monitoring temperature parameter preset values, setting warm water preset values ​​and ice water preset values; the processor compares the real-time signal received from the temperature monitoring module with the preset values ​​stored in the memory, and issues instructions that can be loaded and executed by the prepared switch.

[0022] A method for controlling the temperature control and injection system of water for digestive endoscopy, characterized in that it comprises the following steps:

[0023] S1: Place the water bag containing endoscopic water in two containers, connect the water filling hose to the endoscopic water bag, turn on the preparation switch to start the preparation function, set the temperature parameter value, and obtain the current thermostat trigger instruction; the heater generates heat radiation to start warm water preparation, and the refrigerator absorbs and removes heat to start ice water preparation, until the monitoring reaches the preset temperature, the thermostat cuts off the circuit to stop the preparation;

[0024] S2: When the real-time temperature value in any container monitored by the temperature monitoring unit is consistent with the preset temperature value, the temperature monitoring unit keeps monitoring the temperature; when the real-time temperature value in any container monitored is inconsistent with the preset temperature value, the temperature controller triggers the instruction connection circuit to start the preparation of endoscopic water in the container;

[0025] S3: The endoscopic water in the endoscopic water bag in any container cup flows into the water injection hose, any one of the foot-operated double switches is turned on to connect the control circuit, the injected water driving module issues a peristaltic pump working instruction, the peristaltic pump continuously drives the endoscopic water to be injected into the endoscope water injection channel, any one of the foot-operated double switches is turned off to cut off the control circuit, and the injected water driving module issues an instruction to the peristaltic pump to stop working;

[0026] S4: When there is weight in any container monitored by the weight monitoring unit, the peristaltic pump can continue to drive water injection. When there is no weight in any container monitored by the weight monitoring unit, the empty cup prompt lights up, and the water injection drive module is cut off from issuing the peristaltic pump working instruction, and the peristaltic pump stops working. Until a water bag containing endoscopic water is placed in the container again, the empty cup prompt goes out, and the water injection drive module resumes controlling the peristaltic pump working instruction.

[0027] The system of the present invention directly uses the physiological saline commonly used in endoscopic examination rooms as endoscopic water, which is easy to obtain and can be replenished in time, and the source is clean, safe and hygienic; at the same time, two types of endoscopic water, warm water and ice water, can be prepared, which fully meets the needs of clinical use; two types of endoscopic water, warm water and ice water, can be prepared continuously and automatically, and the water volume can be prompted for replenishment, so that the endoscopic procedure is efficient and guaranteed; if the empty cup state is accidentally encountered during the water filling process, the water filling work can be automatically interrupted to avoid idling, fully protect the system itself, and extend the service life.

[0028] Through the system of the present invention, endoscopic water of different temperatures can be prepared, and the prepared endoscopic water can be quickly driven and injected into the human digestive tract cavity through a digestive endoscope. Endoscopic water of different temperatures has different uses in digestive endoscopy diagnosis and treatment procedures: warm water can reduce gastrointestinal spasm, reduce patient discomfort, reduce sedation requirements, and assist in cecal intubation; ice water is used for lesion resection, lower gastrointestinal bleeding, etc.

[0029] At the same time, the control method of the present invention can monitor the temperature change of the water used in the endoscope, and then adjust and restore the water temperature to the preset value; further, the change of the water capacity of the endoscope can be monitored, and then the user can be prompted to replenish the weight in time, thereby ensuring the implementation of the digestive endoscopy diagnosis and treatment procedure. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a simplified diagram of a water temperature control and injection system for digestive endoscopy;

[0031] Figure 2 It is a specific schematic diagram of a water temperature control and injection system for digestive endoscopy. DETAILED DESCRIPTION

[0032] In order to make the present invention more clearly understood, preferred embodiments are described in detail below with reference to the accompanying drawings.

[0033] The present invention provides a water temperature control and water injection system for digestive endoscopy, such as Figure 1 , Figure 2 As shown, it includes a preparation unit, a monitoring unit, and a water injection control unit.

[0034] The preparation unit consists of a warm water preparation subunit, an ice water preparation subunit and a preparation switch subunit. The preparation switch subunit can connect the warm water preparation subunit and the ice water preparation subunit in parallel to the power supply. The preparation unit is used to prepare room temperature endoscopic water (Note: bagged saline is commonly used as endoscopic water) to the set temperature. There are two independent temperature adjustment units, namely the warm water preparation subunit and the ice water preparation subunit.

[0035] The warm water preparation subunit is used to heat the room temperature endoscope water to a certain temperature, about 35℃~40℃. A heater is provided to convert electrical energy into thermal energy, which is radiated into the container to heat the water in the endoscope water bag; further, the container is provided with an insulation layer to reflect the thermal radiation of the heated water back into the container to slow down the cooling speed of the water.

[0036] The ice water preparation subunit is used to adjust the room temperature endoscope water to a certain temperature, about 0℃~4℃. A refrigerator is provided, which converts electrical energy into kinetic energy, absorbs the heat energy of the water in the endoscope water bag and transfers it to the outside of the container, thereby reducing the temperature of the endoscope water; further, the container is provided with an insulation layer to isolate the external heat radiation outside the container, so as to slow down the temperature recovery speed of the water.

[0037] The preparation switch subunit controls the start and stop of the preparation function of endoscope water at different temperatures. It has two independent control units, namely the temperature adjustment switch module and the water injection control module. The temperature adjustment switch module is used to start or stop the function of temperature adjustment of endoscope water. It can control warm water preparation and cold water preparation separately.

[0038] The monitoring unit consists of a temperature monitoring subunit, a weight monitoring subunit and a parameter setting display unit. The monitoring unit is used to determine whether the real-time parameter value of the system function reaches the preset parameter value, and then adjust and prompt the function status.

[0039] The temperature monitoring subunit is used to monitor the real-time water temperature of the endoscope water and interact with the preparation unit. The temperature of the warm water and the temperature of the ice water can be monitored independently. If the real-time water temperature is not within the preset monitoring water temperature range, the preparation unit starts to adjust the water temperature until the real-time water temperature reaches the preset water temperature range, and the preparation unit stops adjusting the water temperature.

[0040] The temperature monitoring subunit further includes a parameter setting display unit, which is used to set the monitoring preset value and can display the specific value and function status. The warm water preset value (35℃~40℃) and the ice water preset value (0℃~4℃) can be set respectively, and the specific value is displayed in the parameter setting display unit. In addition, the parameter setting display unit can also prompt the preparation function status of heating or cooling.

[0041] The weight monitoring subunit is used to monitor the weight change of the water used for the endoscope. In the system of the present invention, the weight change of the water used for the endoscope indicates the change of the water volume. It can monitor whether there are any weighted items placed in the container. When it is detected that there are no weighted items in the container, the system issues an empty cup prompt and cuts off the water injection drive circuit until the water bag for the endoscope water is placed in the container. The system stops the empty cup prompt and turns on the water injection drive circuit. Furthermore, as a basis for issuing instructions that can be loaded and executed by the water injection drive, the preset value of the monitored weight is a fixed value, which is close to the weight value of the water bag for the endoscope water in an empty bottle state.

[0042] The water injection control unit is used to start or stop the function of driving the injection of endoscopic water into the endoscope direction. It consists of a water injection drive, a peristaltic pump, a foot-operated double switch, a water injection hose and a three-way pipe. The warm water injection line and the cold water injection line can be controlled separately to inject warm water and ice water into the endoscope direction respectively.

[0043] The control method of the present invention comprises the following steps:

[0044] S1: Place the water bag containing endoscopic water in the container, connect the water filling hose to the endoscopic water bag, turn on the preparation switch to start the preparation function, set the temperature parameter value, and obtain the current thermostat trigger instruction; the heater generates heat radiation to start warm water preparation, and the refrigerator absorbs and removes heat to start ice water preparation, until the monitoring reaches the preset temperature, the thermostat cuts off the circuit to stop the preparation.

[0045] S2: During digestive endoscopy diagnosis and treatment, when the real-time temperature value in any container monitored by the temperature monitoring unit is consistent with the preset temperature value, the temperature monitoring unit keeps monitoring the temperature; when the real-time temperature value in any container monitored is inconsistent with the preset temperature value, the temperature controller triggers the instruction connection circuit to start the preparation of endoscopic water in the container.

[0046] S3: With the progress of digestive endoscopy diagnosis and treatment, the endoscopic water in the endoscopic water bag in any container cup flows into the water injection hose, any one of the double foot switches is turned on to connect the control circuit, the injected water drive module issues a peristaltic pump working instruction, the peristaltic pump continuously drives the endoscopic water to be injected into the endoscope water injection channel, any one of the double foot switches is closed to cut off the control circuit, and the injected water drive module issues an instruction to the peristaltic pump to stop working.

[0047] S4: When there is weight in any container monitored by the weight monitoring unit, the peristaltic pump can continue to drive water injection. When there is no weight in any container monitored by the weight monitoring unit, the empty cup prompt lights up, and the water injection drive module is cut off from issuing the peristaltic pump working instruction, and the peristaltic pump stops working. Until a water bag containing endoscopic water is placed in the container again, the empty cup prompt goes out, and the water injection drive module resumes controlling the peristaltic pump working instruction.

[0048] like Figure 2 As shown, the warm water preparation subunit is provided with a first container and a heater. The heater is placed in the cup wall of the first container, and the heating surface of the heater faces the inner cavity of the first container. The inner cavity of the first container can accommodate a water bag containing water for endoscopy, and a hole for a water injection hose to pass through is provided at the bottom of the container; the heater converts electrical energy into thermal energy, and the thermal energy is radiated into the container to heat the water for endoscopy in the water bottle; the first container is provided with a cup wall with an insulation layer, and the container is provided with an insulation layer that can reflect the thermal radiation of the heated water back into the container to slow down the cooling rate of the water.

[0049] The warm water preparation subunit is provided with a second container and a refrigerator. The refrigerator is placed in the cup wall of the second container, and the cooling surface of the refrigerator faces the inner cavity of the second container, and the heat dissipation surface faces the outside of the container. The inner cavity of the second container can accommodate a water bag containing water for endoscopy, and a hole for a water filling hose to pass through is provided at the bottom of the container; the refrigerator converts electrical energy into kinetic energy, and the heat energy is radiated into the container to heat the water for endoscopy in the water bottle; the second container is provided with a cup wall with an insulation layer, and the container is provided with an insulation layer to isolate the external heat radiation outside the container to slow down the stabilization speed of the water body.

[0050] The temperature monitoring subunit is provided with a first temperature monitoring module, a second temperature monitoring module, a temperature controller module and a parameter setting display module. The first temperature monitoring module and the second temperature monitoring module are respectively arranged in the first container and the second container wall, and are arranged on the half side opposite to the container wall where the heater and the refrigerator are located, and the monitoring surface thereof faces the inner cavity of the container; the parameter setting display module is used to set the preset value of the temperature controller; the temperature controller module is connected in parallel with the first temperature monitoring module and the second temperature monitoring module to the power supply, and receives the signal of the temperature monitoring module.

[0051] Furthermore, the temperature controller module includes a memory and a processor. The memory can store custom settings for monitoring temperature parameter preset values, including warm water preset values ​​(35℃~40℃) and ice water preset values ​​(0℃~4℃); the processor compares the real-time signal received from the temperature monitoring module with the preset values ​​stored in the memory, and issues instructions that can be loaded and executed by the prepared switch.

[0052] The weight monitoring subunit is provided with a first weight monitoring module, a second weight monitoring module and an empty cup prompting module. The first weight monitoring module and the second weight monitoring module are respectively arranged at the bottom of the first container and the second container, and their monitoring surfaces face the inner cavity of the container. The empty cup prompting module is connected to the power supply in parallel with the first weight monitoring module and the second weight monitoring module. Furthermore, as a basis for issuing instructions that can be loaded and executed by the water injection drive, the preset value of the monitoring weight is a fixed value, which is close to the weight value of the water bag for the endoscope in the empty bottle state.

[0053] The water injection control unit is provided with a water injection drive module, a first peristaltic pump module, a second peristaltic pump module, a foot-operated dual switch module, a water injection hose and a three-way pipe. The water injection drive module connects the first peristaltic pump module and the second peristaltic pump module to the power supply in parallel, and the foot-operated dual switch module controls the rotation of the first peristaltic pump module and the second peristaltic pump module through the water injection drive module. The water bags containing water for endoscopes placed in the first and second containers are connected to the two pipe openings of the three-way pipe through two independent water injection hoses, and the middle sections of the two independent water injection hoses are clamped by the first peristaltic pump module and the second peristaltic pump module, respectively, and the remaining pipe opening of the three-way pipe is connected to the water injection channel of the endoscope.

[0054] The heater is used to convert electrical energy into thermal energy, and heat the endoscopic water through thermal radiation. In some preferred embodiments, the electric heating tube medium generates heat itself, and then the heat generated by the heating medium is radiated to the inner cavity of the container through a non-conductive heat-conducting medium, and then conducted to the endoscopic water stored in the water bag. When the water temperature reaches the preset temperature value, the heater will automatically stop heating.

[0055] The refrigerator is used to convert electrical energy into kinetic energy, and remove the heat energy of the endoscope water to the outside. In some preferred embodiments, a semiconductor refrigerator is used. When the cooling plate absorbs the heat energy in the container and starts cooling, the heat emitted by the hot surface of the cooling plate is guided out by the aluminum heat sink. Due to the serious heat generation, a fan is added to dissipate the heat from the heat sink for better cooling effect. When the water temperature reaches the preset temperature value, the refrigerator will automatically stop cooling.

[0056] The temperature monitoring module is used to monitor the recovery state of the temperature in the container as a basis for comparison with the preset value. In some preferred embodiments, a thermistor sensor is used. Under normal temperature conditions, the two poles of the temperature control processor are turned on, current can flow through, and the preparation unit starts working; when the temperature of the endoscopic water in the container is monitored to reach the preset value, the internal part of the temperature controller component is disconnected, the power supply circuit of the preparation unit is cut off, and the work is automatically stopped; during the digestive endoscopy diagnosis and treatment process, the endoscopic water temperature is continuously monitored, the temperature-sensitive semiconductor returns to normal temperature, the temperature controller is automatically turned on again, and the preparation unit starts working again.

[0057] The weight monitoring module is used to monitor whether there is a weight object in the container as a basis for determining whether the amount of water used for endoscope has changed. The weight monitoring module is set at the bottom of the container. In some preferred embodiments, a pressure switch sensor can be used. When a water bag filled with water for endoscope is placed in the container, the weight causes the pressure switch to connect to the water injection drive circuit, the empty cup prompt cut-off circuit goes out, and the water injection control unit can enter the working state; when the water bag filled with water for endoscope is placed in the container and is in an empty bottle state, the lack of weight causes the pressure switch to connect to the empty cup prompt circuit to light up, the water injection drive cut-off circuit, and the water injection control unit stops entering the working state.

[0058] The use process of the present invention is as follows:

[0059] 1. Place the water bag for endoscope into the container, connect the water bag to one end of the water injection hose, install the middle section of the water injection hose in the pump head of the peristaltic pump, and connect the other end of the water injection hose to the endoscope through a three-way pipe.

[0060] 2. Connect the system to the power supply, press the preparation switch, the preparation unit is powered on, the heater and / or refrigerator starts running, and the warm water preparation and / or ice water preparation indicator lights up.

[0061] 3. When the temperature of warm water preparation or ice water preparation reaches the preset value, the system stops the preparation work, while continuously monitoring the real-time temperature and automatically starts the preparation unit.

[0062] 4. The endoscopist uses a foot-operated double switch to control the driving of warm water and ice water toward the endoscope, and then injects the water into the gastrointestinal cavity of the human body through the water injection channel of the endoscope.

[0063] 5. When the amount of water used in any endoscope is insufficient, the system will issue an empty cup prompt and the water injection control unit will stop working. The water bag for the endoscope should be replaced in time. The water injection control unit will resume working and the preparation unit will start working.

Claims

1. A water temperature control and injection system for digestive endoscopy, characterized in that: It includes a preparation unit, a monitoring unit and a water injection control unit; The preparation unit is used to prepare the endoscopic water at room temperature to the set temperature, and has two independent temperature adjustment units, namely the warm water preparation subunit and the ice water preparation subunit; the preparation unit also includes a preparation switch subunit, which is connected in parallel with the warm water preparation subunit and the ice water preparation subunit, and is connected to a power supply; The preparation switch subunit controls the start and stop of the preparation function of endoscope water at different temperatures; The monitoring unit is used to determine whether the real-time parameter value of the system function reaches the preset parameter value, and then adjust and prompt the function status; A water injection control unit is used to start or stop driving the position of injecting endoscope water into the endoscope direction, and is provided with a warm water injection line and a cold water injection line to respectively control warm water and ice water to be injected into the endoscope direction; The monitoring unit includes a temperature monitoring subunit and a weight monitoring subunit. The preparation unit and the temperature monitoring subunit are connected to each other to form a loop. The weight monitoring subunit and the temperature monitoring subunit are respectively connected to the water injection control unit. The signals given by the weight monitoring subunit and the temperature monitoring subunit are used to determine whether to perform water injection. The temperature monitoring subunit is used to monitor the real-time water temperature of the endoscope water and interact with the preparation unit; The weight monitoring subunit is used to monitor the weight change of the water used for endoscopy and to monitor whether there are any heavy objects placed in the container.

2. A digestive endoscopy water temperature control and injection system as claimed in claim 1, characterized in that: The warm water preparation subunit is provided with a heater to heat the water in the endoscope water bag in the first container; the ice water preparation subunit is provided with a refrigerator to absorb the heat energy of the water in the endoscope water bag and transfer it to the outside of the second container to reduce the temperature of the endoscope water; the preparation switch subunit has two independent control units, namely a temperature adjustment switch module and a water injection control module; the temperature adjustment switch module is used to start or stop the function of temperature adjustment of the endoscope water, and control the warm water preparation and cold water preparation respectively.

3. A digestive endoscopy water temperature control and injection system as claimed in claim 2, characterized in that: The first container of the warm water preparation subunit is provided with an insulation layer, which reflects the heat radiation of the heated water back into the container, thereby slowing down the cooling rate of the water; the second container of the ice water preparation subunit is provided with an insulation layer, which isolates the external heat radiation outside the container, thereby slowing down the temperature recovery rate of the water.

4. A digestive endoscopy water temperature control and injection system as claimed in claim 3, characterized in that: The temperature monitoring subunit independently monitors the temperature for preparing warm water and the temperature for preparing ice water. If the real-time water temperature value is not within the preset monitoring water temperature value range, the preparation unit starts to adjust the water temperature until the real-time water temperature value reaches the preset water temperature value range, and the preparation unit stops adjusting the water temperature. When it is detected that there is no weight object in the holding cup, the weight monitoring subunit issues an empty cup prompt and cuts off the water filling drive circuit until the water bag for endoscope water is placed in the holding cup, stops the empty cup prompt, and connects the water filling drive circuit.

5. A digestive endoscopy water temperature control and injection system as claimed in claim 1, characterized in that: The warm water preparation subunit is provided with a first container and a heater, the heater is arranged in the cup wall of the first container, and the heating surface of the heater faces the inner cavity of the first container, the inner cavity of the first container accommodates a water bag filled with water for endoscopy, and the bottom of the container is provided with a hole for a water injection hose to pass through; the warm water preparation subunit is provided with a second container and a refrigerator, the refrigerator is arranged in the cup wall of the second container, and the cooling surface of the refrigerator faces the inner cavity of the second container, and the heat dissipation surface faces the outside of the container, the inner cavity of the second container accommodates a water bag filled with water for endoscopy, and the bottom of the container is provided with a hole for a water injection hose to pass through; The temperature monitoring subunit is provided with a first temperature monitoring module, a second temperature monitoring module, a temperature controller module and a parameter setting display module. The first temperature monitoring module and the second temperature monitoring module are respectively arranged in the first container and the second container wall, and are arranged on the half side opposite to the container wall where the heater and the refrigerator are located, and the monitoring surface thereof faces the inner cavity of the container; the parameter setting display module is used to set the preset value of the temperature controller; the temperature controller module connects the first temperature monitoring module and the second temperature monitoring module to the power supply in parallel, and receives the signal of the temperature monitoring module; The weight monitoring subunit is provided with a first weight monitoring module, a second weight monitoring module and an empty cup prompting module. The first weight monitoring module and the second weight monitoring module are respectively arranged at the bottom of the first container cup and the second container cup, and the monitoring surfaces thereof face the inner cavity of the container cup; the empty cup prompting module is connected in parallel with the first weight monitoring module and the second weight monitoring module to a power supply; The water injection control unit is provided with a water injection drive module, a first peristaltic pump module, a second peristaltic pump module and a foot-operated dual switch module, a water injection hose and a three-way pipe. The water injection drive module connects the first peristaltic pump module and the second peristaltic pump module to a power supply in parallel. The foot-operated dual switch module controls the rotation of the first peristaltic pump module and the second peristaltic pump module through the water injection drive module. The water bags containing water for endoscope placed in the first container cup and the second container cup are connected to the two pipe openings of the three-way pipe through two independent water injection hoses respectively. The middle sections of the two independent water injection hoses are clamped by the first peristaltic pump module and the second peristaltic pump module respectively. The other pipe opening of the three-way pipe is connected to the water injection channel of the endoscope.

6. A digestive endoscopy water temperature control and injection system as claimed in claim 4 or 5, characterized in that: The temperature monitoring subunit further includes a parameter setting display unit, which is used to set monitoring preset values ​​and display specific values ​​and functional status. The parameter setting display unit sets warm water preset values ​​and ice water preset values ​​respectively and displays specific values.

7. A digestive endoscopy water temperature control and injection system as claimed in claim 6, characterized in that: The parameter setting display unit can prompt the preparation function status of heating or cooling; the monitoring preset value is a fixed value, which is the weight value of the endoscope water bag in the empty bottle state.

8. A digestive endoscopy water temperature control and injection system as claimed in claim 5, characterized in that: The temperature controller module includes a memory and a processor. The memory stores custom settings for monitoring temperature parameter preset values, setting warm water preset values ​​and ice water preset values; the processor compares the real-time signal received from the temperature monitoring module with the preset values ​​stored in the memory, and issues instructions that can be loaded and executed by the prepared switch.

9. A method for controlling the temperature control and injection system of water for digestive endoscopy as claimed in claim 5, characterized in that: The following steps are involved: S1: Place the water bag containing endoscopic water in two containers, connect the water filling hose to the endoscopic water bag, turn on the preparation switch to start the preparation function, set the temperature parameter value, and obtain the current thermostat trigger instruction; the heater generates heat radiation to start warm water preparation, and the refrigerator absorbs and removes heat to start ice water preparation, until the monitoring reaches the preset temperature, the thermostat cuts off the circuit to stop the preparation; S2: When the real-time temperature value in any container monitored by the temperature monitoring unit is consistent with the preset temperature value, the temperature monitoring unit keeps monitoring the temperature; when the real-time temperature value in any container monitored is inconsistent with the preset temperature value, the temperature controller triggers the instruction connection circuit to start the preparation of endoscopic water in the container; S3: The endoscopic water in the endoscopic water bag in any container cup flows into the water injection hose, any one of the foot-operated double switches is turned on to connect the control circuit, the injected water driving module issues a peristaltic pump working instruction, the peristaltic pump continuously drives the endoscopic water to be injected into the endoscope water injection channel, any one of the foot-operated double switches is turned off to cut off the control circuit, and the injected water driving module issues an instruction to the peristaltic pump to stop working; S4: When there is weight in any container monitored by the weight monitoring unit, the peristaltic pump can continue to drive water injection. When there is no weight in any container monitored by the weight monitoring unit, the empty cup prompt lights up, and the water injection drive module is cut off from issuing the peristaltic pump working instruction, and the peristaltic pump stops working. Until a water bag containing endoscopic water is placed in the container again, the empty cup prompt goes out, and the water injection drive module resumes controlling the peristaltic pump working instruction.

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