Abstract: The present disclosure relates to a crystal form of a pyridopyrimidine derivative and a preparation method thereof, and specifically relates to the crystal form of the compound of formula (I) and a preparation method thereof. The new crystal form has good physical and chemical properties, thereby facilitating clinical treatments.

Abstract: Disclosed is a nursing machine that includes a wearable working head and a urine detection circuit. The urine detection circuit includes at least two first urine sensors and at least two second urine sensors that are arranged on the working head. In response to more than one first urine sensor each outputting a liquid detected signal or in response to more than one second urine sensor each outputting the liquid detected signal, the urine detection circuit is configured to output a urine signal. In response to only one first urine sensor or only one second urine sensor outputting the liquid detected signal or in response to only one first urine sensor and only one second urine sensor each outputting the liquid detected signal, the urine detection circuit doesn't output the urine signal.

Abstract: Disclosed is a method for preparing a benzofuran derivative. In particular, provided is a method for preparing a benzofuran derivative, wherein according to the method provided, reaction steps required to synthesize the benzofuran substance in the prior art can be effectively shortened.

Abstract: Provided is a vacuum cleaner. The switching valve apparatus of the vacuum cleaner includes an outer casing and a counterflow air passage. The outer casing is provided with a first vent opening and a second vent opening arranged side by side along the circumferential direction of the outer casing. In the case where the counterflow air passage is at the first angular position, the outer casing seals the counterflow air outlet of the counterflow air passage; in the case where the counterflow air passage is at the second angular position, the counterflow air outlet communicates with the first vent opening and is staggered with the second vent opening; and in the case where the counterflow air passage is at the third angular position, the counterflow air outlet communicates with the second vent opening and is staggered with the first vent opening.

Abstract: A wearable working head for a nursing machine includes a front wearing part, where the front wearing part includes a toilet recess and a urine hood. The urine hood includes a hood wall and a recess enclosed by the hood wall, where the recess is located at an inner side of the hood wall. The hood wall is provided with at least one air vent communicating the recess to the outside of the hood wall.

Abstract: A wearable working head for a nursing machine includes a front wearing part, where the front wearing part includes a toilet recess and a urine hood. The urine hood includes a hood wall and a recess enclosed by the hood wall, where the recess is located at an inner side of the hood wall. The hood wall is provided with at least one air vent communicating the recess to the outside of the hood wall.

Abstract: Provided is a main unit of a nursing machine, including a sewage bucket accommodating sewage, a water blocking device, a first water tank, a second water tank, a water pump, a first waterway, a second waterway, and a third waterway. The water blocking device includes a labyrinth-type channel communicating with a water storage cavity and a float accommodation cavity, and multiple division boards extending up and down to perform separation to form the labyrinth-type channel. The labyrinth-type channel is located between the water storage cavity and the float accommodation cavity, and communicates between the water storage cavity and the float accommodation cavity. The second water tank is provided with a first water inlet and a first water outlet. The water pump joins the third waterway.

Abstract: Provided are a preparation method of pyrrolo-amino-pyridazinone compound and an intermediate thereof. The reaction conditions are easy to control, the processing following the reaction is simple, the production rate is high, and the method is advantageous for industrial production.

Abstract: Disclosed is a method for preparing a benzofuran derivative. In particular, provided is a method for preparing a benzofuran derivative, wherein according to the method provided, reaction steps required to synthesize the benzofuran substance in the prior art can be effectively shortened.

Abstract: A weight loading system for fitness equipments includes a fitness equipment support, a rally rope, a motor, a motor driving and a motor control unit. The motor is a permanent magnet brushless DC motor with an external rotor structure, and the motor includes a stator mounted onto the fitness equipment support and an external rotor sheathed on the stator and rotatable with respect to the stator, and the rally rope is wound around the external rotor of the motor, and an end of the rally rope is coupled to the external rotor of the motor, and the other end of the rally rope is coupled to the power driving mechanism of the fitness equipment; the power driving mechanism is provided for driving the external rotor of the motor through the rally rope to rotate and generate a rally, and the motor control unit controls the motor to rotate in an opposite direction through the motor driving module, so as to produce a load force opposite to the rally.

Abstract: Disclosed is a nursing machine that includes a wearable working head and a urine detection circuit. The urine detection circuit includes at least two first urine sensors and at least two second urine sensors that are arranged on the working head. In response to more than one first urine sensor each outputting a liquid detected signal or in response to more than one second urine sensor each outputting the liquid detected signal, the urine detection circuit is configured to output a urine signal. In response to only one first urine sensor or only one second urine sensor outputting the liquid detected signal or in response to only one first urine sensor and only one second urine sensor each outputting the liquid detected signal, the urine detection circuit doesn't output the urine signal.

Abstract: An automated nursing system for handling waste material from a patient includes a mattress including an opening; a workhead for accepting the waste material, the opening of the mattress sized to accept the workhead; a main unit in water flow and pneumatic pressure communication with the workhead; and a main processor carried by the main unit, the main processor programmed to at least partially (i) cause negative pneumatic pressure to be applied to the workhead to remove the waste material from the workhead, and (ii) cause water to be delivered to the workhead to rinse the patient.

Abstract: Disclosed is an inner bowl of a working head of a nursing machine, comprising a bowl body, a baffle, and a drying device; the front part of the bowl body is provided with a bowl mouth, the top surface of which is a horizontally arranged drain port, the bottom surface of which is an obliquely arranged U-shaped arc bottom, and both sides of the U-shaped arc bottom of which are uniformly provided with infrared-reflective feces sensors; the outer bottom surface of the bowl body is provided with a urine sensor; the baffle is vertically arranged on the bowl body and is connected to the drain port; the drying device is arranged at the rear side of the bowl body, and an air outlet of the drying device is arranged on the rear side wall of the bowl body below the baffle. Also disclosed is a nursing machine.

Abstract: A central integrated nursing machine includes a main unit and a plurality of working heads, wherein the main unit is provided with a sewage suction device, a water supply device, a main unit processor and a main unit communication module, the sewage suction device is provided with a sewage discharging pipe connected with a sewer, the water supply device is provided with a water taking pipe connected with a tap water source, and the main unit processor is connected with the sewage suction device, the water supply device and the main unit communication module through circuits, respectively; and a plurality of working heads are connected with the sewage suction device and the water supply device on the main unit through pipelines, respectively, and the plurality of working heads are connected with the main unit communication module on the main unit through data transmission interfaces, respectively.

Abstract: A circulating hot water nursing machine includes a main unit and a working head, wherein a water tank support, a clean water tank, a small water pump and a PTC heater are arranged on the main unit; a heating tank is arranged at a lower part of the water tank support, the clean water tank is arranged at an upper part of the water tank support, a shunt valve is arranged on the water tank support, a water inlet of the shunt valve is connected with the heating tank and the clean water tank, and a water outlet of the shunt valve, the small water pump, the PTC heater and the heating tank are connected successively; a control system and a main power supply are arranged on the main unit, and the small water pump, the PTC heater and the shunt valve are connected with the main power supply.

Abstract: A weight loading system for fitness equipments includes a fitness equipment support, a rally rope, a motor, a motor driving and a motor control unit. The motor is a permanent magnet brushless DC motor with an external rotor structure, and the motor includes a stator mounted onto the fitness equipment support and an external rotor sheathed on the stator and rotatable with respect to the stator, and the rally rope is wound around the external rotor of the motor, and an end of the rally rope is coupled to the external rotor of the motor, and the other end of the rally rope is coupled to the power driving mechanism of the fitness equipment; the power driving mechanism is provided for driving the external rotor of the motor through the rally rope to rotate and generate a rally, and the motor control unit controls the motor to rotate in an opposite direction through the motor driving module, so as to produce a load force opposite to the rally.

Abstract: A circulating hot water nursing machine includes a main unit and a working head, wherein a water tank support, a clean water tank, a small water pump and a PTC heater are arranged on the main unit; a heating tank is arranged at a lower part of the water tank support, the clean water tank is arranged at an upper part of the water tank support, a shunt valve is arranged on the water tank support, a water inlet of the shunt valve is connected with the heating tank and the clean water tank, and a water outlet of the shunt valve, the small water pump, the PTC heater and the heating tank are connected successively; a control system and a main power supply are arranged on the main unit, and the small water pump, the PTC heater and the shunt valve are connected with the main power supply.

Abstract: A central integrated nursing machine includes a main unit and a plurality of working heads, wherein the main unit is provided with a sewage suction device, a water supply device, a main unit processor and a main unit communication module, the sewage suction device is provided with a sewage discharging pipe connected with a sewer, the water supply device is provided with a water taking pipe connected with a tap water source, and the main unit processor is connected with the sewage suction device, the water supply device and the main unit communication module through circuits, respectively; and a plurality of working heads are connected with the sewage suction device and the water supply device on the main unit through pipelines, respectively, and the plurality of working heads are connected with the main unit communication module on the main unit through data transmission interfaces, respectively.

Abstract: Disclosed is an inner bowl of a working head of a nursing machine, comprising a bowl body, a baffle, and a drying device; the front part of the bowl body is provided with a bowl mouth, the top surface of which is a horizontally arranged drain port, the bottom surface of which is an obliquely arranged U-shaped arc bottom, and both sides of the U-shaped arc bottom of which are uniformly provided with infrared-reflective feces sensors; the outer bottom surface of the bowl body is provided with a urine sensor; the baffle is vertically arranged on the bowl body and is connected to the drain port; the drying device is arranged at the rear side of the bowl body, and an air outlet of the drying device is arranged on the rear side wall of the bowl body below the baffle. Also disclosed is a nursing machine.

Abstract: An automated nursing system for handling waste material from a patient includes a mattress including an opening; a workhead for accepting the waste material, the opening of the mattress sized to accept the workhead; a main unit in water flow and pneumatic pressure communication with the workhead; and a main processor carried by the main unit, the main processor programmed to at least partially (i) cause negative pneumatic pressure to be applied to the workhead to remove the waste material from the workhead, and (ii) cause water to be delivered to the workhead to rinse the patient.