29 results about "Suction drainage" patented technology

The buffer device comprises a sensor, an alarm and a buffer structure and is used for increasing the buffer capacity of a drainage tube when the drainage tube is pulled and protecting connection between a drainage device connector and a human body. A protection structure and a drainage structure are adopted, the buffer tube is a spiral tube to increase the buffer capacity of the drainage device when the drainage device is pulled, collided and extruded, the sensor reminds a patient, family members or nursing personnel at the moment, meanwhile, the compressed air bottle switch is turned on to enable the filling layer to expand, and the buffer tube and the drainage connector in the fixing plate are subjected to filling protection; meanwhile, the position of the drainage device is fixed, the joint of the drainage tube and the human body is protected, only liquid or gas can flow into the liquid inlet tube, only gas or liquid can flow out of the liquid outlet tube under control, the drained liquid cannot enter the human body any more, the negative pressure cavity can exhaust gas many times, negative pressure in the collector is increased, suction drainage is increased, and the effect of the drainage device is improved.

The utility model relates to a suction and aspiration device for hepatobiliary surgery, and belongs to the technical field of medical machinery. The device mainly comprises a base, a liquid extraction assembly, a liquid guide assembly and a liquid storage assembly. The base comprises universal wheels, a four-corner support and a bottling device, the universal wheels are installed at the bottom of the four-corner support respectively, the bottling device is installed on the upper portion of the four-corner support, the liquid pumping assembly comprises a liquid pumping bottle, a motor and a drainage pipe, the drainage pipe is communicated with the liquid pumping bottle, and a drainage suction head is arranged at the other end of the drainage pipe. A flow adjusting valve and a first one-way valve are installed on the upper portion of the liquid pumping bottle, the motor is installed above the liquid pumping bottle, the liquid guiding assembly is connected to the lower portion of the liquid pumping bottle and the lower portion of the liquid storage bottle, a second one-way valve is installed in the middle of the liquid guiding assembly, the liquid storage assembly comprises the liquid storage bottle, an alarm and a liquid outlet hole, and the liquid storage bottle is installed on the bottling frame. A liquid level sensor and an alarm are arranged at the upper part; drainage can be conducted in the hepatobiliary surgical operation process or after the operation, and the drainage mode can effectively solve the problems that a drainage bag is not replaced in time, body fluid is blocked in the drainage process and the like in traditional manual drainage.

The application relates to a suction drainage device, comprising a cleaning assembly and a suction assembly. The cleaning assembly can move between the first end and the second end of the urinary tube through the stretching action of the first transmission line. The suction assembly comprises a sensor element and a suction pump, the sensor element is composed of a flow sensor and a temperature sensor, the sensor element is arranged in the first chamber of the urinary tube, and whether the urinary tube is blocked is judged based on the liquid and temperature information in the first chamber detected by the flow sensor and the temperature sensor. The first chamber of the urinary tube is cleaned of the blocking substances by the cleaning assembly, and the cleaned blocking substances are sucked out by the suction assembly. Compared with the prior art which adopts negative pressure or separately adopts suction to clean the blocking substances of the urinary tube, the cleaning efficiency of the application is higher, and a large amount of blocking substances adhered in the urinary tube can also be cleaned through the pulling and / or rotating and / or vibrating of the cleaning assembly.

The utility model discloses a suction type drainage pipe fitting, and belongs to the technical field of soft soil foundation consolidation treatment. The suction type drainage pipe fitting comprises the filter body used for permeating water or / and gas in soil and the pipe body capable of sucking water or / and gas in the soil to form the suction type drainage pipe fitting, so that the filter cavity and the pipe body are arranged, on one hand, water or / and gas can be gathered, and on the other hand, the suction type drainage pipe fitting is formed; on the other hand, soil moisture or / and gas can be rapidly discharged, the drainage and exhaust effects are effectively improved, the soft soil foundation construction time is shortened, and application and popularization are facilitated. Furthermore, the suction type drainage pipe fitting can be used for direct vacuum suction drainage gas consolidation treatment of ultra-soft sludge, float sludge, sludge surface layers and sand-free cushion layers, the one-time suction area can reach 5-10 meters, the suction depth is 2-8 meters, the suction type drainage pipe fitting can replace on-site drainage plate connecting pipe construction, and the construction efficiency is effectively improved.

The present invention provides a laser fiber operator. The laser fiber operator includes a first pipe sleeve for mounting, and the first pipe sleeve is provided with a front passage for threading of an optical fiber in an axially through manner. Moreover, a first guide pipe, a second guide pipe, and a third guide pipe are axially mounted at a front end of the first pipe sleeve, and flow guide passages are formed between the guide pipes. Similarly, a second pipe sleeve and a third pipe sleeve are coaxially mounted at a rear end of the first pipe sleeve, and a flow guide passage is also formed between the second pipe sleeve and the third pipe sleeve. As the passages at the front end and the rear end of the first pipe sleeve are correspondingly connected and independently provided, effects of suction drainage and flushing drainage can be achieved according to requirements of use. Moreover, valves are disposed on the corresponding passages to achieve control over suction and flushing. An incision is rapidly and accurately flushed and cooled during cutting of a laser surgery, a field of view can be improved, and surgical efficiency and safety are improved. In addition, cutting, flushing and suction functions are integrated, and a surgeon can achieve the above operations with one hand, and usage is more convenient.

The drainage device for municipal engineering comprises a pump body, a connecting hose is fixedly arranged in the middle of the surface of the pump body, a hard pipe is fixedly arranged at the end, away from the pump body, of the connecting hose, and a filtering mechanism used for filtering impurities is arranged on the outer side of the hard pipe. The filtering mechanism comprises a fixed frame, a fixed block, a rotary drum filter element, a fixed ring and a floating cavity, the fixed frame is fixedly arranged at one end of the hard pipe, the fixed block is fixedly arranged on the side, away from the fixed pipe, in the fixed frame, and the rotary filter element is movably arranged on the outer side surfaces of the fixed block and the hard pipe through bearings. According to the utility model, the use effect is good, a filter element of a traditional drainage device is changed into the rotary drum filter element, the rotary drum filter element can be rotated at any time and then cleaned during suction drainage work, the filtering work of the whole filter element is not influenced, the suction work of the pump body is not influenced, and the progress of the whole drainage work can be ensured.

The utility model relates to a tube assembly, which is characterized by comprising a suction tube, a tube cover and a tube cover, the flushing tube and the suction tube are nested with each other; the near ends of the suction tube and the flushing tube are fixed in the tube fixing seat; the locking bush is arranged on the pipe fixing seat in a sleeving manner and is axially limited relative to the pipe fixing seat, a locking structure is arranged on the peripheral wall of the locking bush, and the locking structure is provided with a locking bulge; the unlocking protection sleeve is arranged on the locking lining in a sleeving mode, an unlocking hole where the locking protrusion is embedded is formed in the circumferential wall of the unlocking protection sleeve, a part of section of the locking protrusion can extend outwards in the radial direction from the unlocking hole to the outer side of the unlocking protection sleeve, and the locking protrusion can be driven inwards in the radial direction by the unlocking protection sleeve so that the part of section can move inwards in the radial direction. The pipe assembly has the advantages that the pipe assembly can be detachably connected to the surgical flushing, suction and drainage instrument in an inserted mode, and locking and unlocking can be easily achieved on the pipe assembly. The utility model further relates to a tube assembly kit and a surgical flushing, suction and drainage instrument.

The present application relates to a kind of road surface residual water drainage device, including the seat plate for supporting on the underside of road surface, the extrusion part being arranged in the upper side of seat plate, the through hole being formed on the seat plate and being communicated with the upper and lower sides of seat plate corresponding to the position of extrusion part, and the water pumping and drainage part being arranged in the through hole and the upper end being used to resist the extrusion part, the lower end being used to resist the position of road surface depression, extrusion part is used to deform and extrude water pumping and drainage part when being rolled by vehicle, extrusion part is also used to restore shape when being separated from vehicle, water pumping and drainage part is used to compress deformation when being extruded by extrusion part, to extrude water in its water cavity from drainage port, water pumping and drainage part is also used to restore shape when extrusion part restores shape, to absorb water in its water cavity from the position of road surface depression through water suction port.In the road surface residual water drainage device described in the present application is placed in the position of road surface depression, the passage of vehicle is not blocked during the process of draining the position of road surface depression.

The utility model relates to the technical field of emergency rescue equipment, in particular to a low-water-level water pumping mechanism of a drainage vehicle. A low-water-level water pumping mechanism of a drainage vehicle comprises a chassis and a vehicle body arranged on the chassis, traveling crawler belts are arranged on the two sides of the chassis, an avoiding space is formed between the bottom of the chassis and the ground, a linearly-lifting drainage pump is arranged in the avoiding space, and a water inlet of the drainage pump is connected with a water inlet bent pipe with a downward pipe opening. The drainage pump descends to make the opening of the water inlet elbow close to the ground. According to the drainage pump, the water inlet elbow with the downward pipe opening is adopted, and the pipe opening of the water inlet elbow can be close to the ground during water pumping, so that the drainage pump can meet the water pumping and drainage requirements of a lower water level; in addition, the height of the drainage pump can be flexibly adjusted according to actual requirements through the linearly-lifted drainage pump, and the flexibility of drainage operation and the trafficability of the vehicle body are improved.

This utility model discloses a foundation pit drainage device for building construction, comprising: a deep foundation pit; a foundation pit pumping assembly mounted on the deep foundation pit, the foundation pit pumping assembly being used for pumping and draining water; and a sludge preliminary sedimentation and removal assembly mounted on one side of the foundation pit pumping assembly. The device performs secondary deep filtration of the water through a second filter plate to further remove residual impurities. A water level detector monitors the water level in real time to ensure stable filtration. The filtered water is discharged into a drainage ditch via a drainage pipe through a pump. If sludge is generated during filtration, a second sludge suction pipe transports it to a sludge pump for discharge. The advantages of this device are that the secondary filtration assembly further improves water quality, reduces impurities from clogging the drainage system, and improves drainage efficiency and quality. Simultaneously, the water level detector enables automated monitoring, improves the system's intelligence level, reduces manual intervention, and further optimizes the drainage effect.

The utility model discloses a visual hematoma smashing suction drainage tube, and particularly relates to the technical field of medical drainage tubes, which comprises a drainage tube body, two liquid inlets are arranged on the surface of the drainage tube body, a connecting hose is fixedly arranged on one side of the drainage tube body, and a smashing mechanism is fixedly arranged on one side of the connecting hose. The smashing mechanism comprises a fixed hose fixedly arranged on one side of the connecting hose, a sleeve joint is fixedly arranged on one side of the fixed hose, a smashing rod is slidably connected into the sleeve joint, a threaded smashing rod is fixedly arranged at one end of the smashing rod, and a handle is fixedly arranged at the other end of the smashing rod. The hematoma and blood clots can be smashed, the overall visual design is adopted, the position, the size and the shape of the hematoma can be observed conveniently, the using effect is improved, meanwhile, due to the design of the hose, intracranial tissue cannot be damaged, and safety is enhanced.

The invention relates to the technical field of medical infusion appliances, in particular to a medical injection infusion bag integrated with a self-suction drainage mechanism, which comprises an infusion bag and a hanging hole, an injection tube and an infusion tube are fixedly connected to the left side and the right side of the bottom of the infusion bag respectively, and an elastic drainage bag is fixedly connected to the top of the inner wall of the infusion bag; a communicating pipe is fixedly connected to the bottom of the elastic drainage bag, a one-way valve is installed on the outer surface of the communicating pipe, a liquid treatment cavity is fixedly connected to the bottom of the communicating pipe, a temperature control module is connected to the exterior of the liquid treatment cavity, and a medical filter element is fixedly installed at the top in the liquid treatment cavity. According to the medical injection infusion bag integrated with the self-suction drainage mechanism, self-suction drainage, liquid pretreatment and pressure regulation and control are integrated, operations such as autologous blood transfusion and lacuna effusion drainage after trauma can be completed, and the elastic drainage bag is matched with the micro elastic driving piece to achieve automatic drainage; the problem that a traditional infusion bag only depends on gravity for infusion and lacks drainage capacity is solved.

The application discloses an ultrasonic-assisted water jet laser processing system, which comprises a clamping mechanism, a cleaning mechanism, a purifying mechanism, a fiber laser and a high-pressure water nozzle. The clamping mechanism is provided with a rotatable mounting plate and two groups of symmetrical clamps, and 180-degree work position switching is driven by a servo motor to realize parallel operation of upper laser processing and lower ultrasonic cleaning. The upper fiber laser cooperates with off-axis high-pressure water jet to implement layered laser processing on a workpiece cavity, and molten slag is washed in real time to inhibit thermal damage. The lower work position utilizes a cam mechanism to drive an ultrasonic vibrator close to the workpiece, and solidified residues in the cavity are stripped through water cavitation effect, and a shovel plate is automatically scraped to remove deposited debris at the bottom of the tank. Meanwhile, mechanical automatic water pumping and drainage are realized through a linkage piston assembly, and sewage is filtered and purified through filter cotton and then collected in a cycle. The application solves the problems of low efficiency, incomplete residue removal, poor processing precision and low automation degree of traditional single-station laser processing.

The utility model discloses a drainage device for open-cast mining, which belongs to the technical field of drainage equipment and comprises a floating plate, a drainage mechanism is arranged on the inner side of the floating plate and comprises a water pumping pipe movably mounted on the inner side of the floating plate, a connecting pipe is connected to the outer wall of the top of the water pumping pipe, and the drainage device further comprises a positioning mechanism slidably connected with the floating plate. The positioning mechanism comprises a plurality of cutting rods slidably connected with the floating plate, a positioning plate is mounted among the cutting rods, a filter frame is connected to the bottom of the floating plate, and the bottom end of the water pumping pipe is located on the inner side of the filter frame. Through the arrangement of the floating plate and the drainage mechanism, the drainage mechanism is installed on the floating plate and can directly float on the water surface to pump water, the drainage mechanism can automatically descend along with the descending of the water surface, the water pumping pipe can always keep the depth deep into the water, the height does not need to be manually adjusted, and the water pumping pipe cannot be directly embedded into an ore bed to cause blockage; and through the arrangement of the positioning mechanism, the floating plate can be prevented from floating at will to affect drainage.

This invention relates to a tubing assembly, characterized in that it comprises: a suction tube; an irrigation tube nested within the suction tube; a tube retainer therein, wherein the suction tube and the irrigation tube are secured at their proximal ends; a locking bushing fitted onto the tube retainer and axially limited relative to the tube retainer, having a locking structure on its peripheral wall, the locking structure having a locking protrusion; and an unlocking sleeve fitted onto the locking bushing, having an unlocking hole on its peripheral wall into which the locking protrusion is embedded, wherein a portion of the locking protrusion is radially outwardly protruding from the unlocking hole to the outside of the unlocking sleeve, and the locking protrusion is radially inwardly driven by the unlocking sleeve, causing the portion to move radially inward. The advantages include: the tubing assembly can be detachably inserted into and connected to a surgical irrigation and aspiration drainage device, and can be easily locked and unlocked thereon. This invention also relates to a tubing assembly kit and a surgical irrigation and aspiration drainage device.

The utility model relates to the technical field of construction site drainage, in particular to a municipal public engineering drainage dredging device which comprises a drainage pipe, installation frames are fixedly installed on the top of the left end and the bottom of the right end outside the drainage pipe through bolts, motor boxes are installed on the outer surfaces of the installation frames, and shaft sleeves are fixedly arranged on the motor boxes. And a first rotating shaft and a second rotating shaft are rotationally arranged at the left end and the bottom end in the drainage pipe correspondingly, and the bottom end of the drainage pipe is fixedly communicated with a sewage storage tank. According to the drainage dredging device for the municipal public engineering, the filter screen and the two sets of rotatable pipe brushes are additionally arranged in the drainage dredging device for the municipal public engineering, pumped and discharged sewage is subjected to preliminary physical filtration, the inner wall of a pipeline is cleaned, and blockage caused by dirt attachment and accumulation is prevented; and dirt and impurities can be continuously accumulated in the dirt storage tank under the action of gravity, so that dirt discharge and cleaning are facilitated, and the operation pressure of subsequent equipment of the water pumping and draining system is relieved.

This invention discloses a cruise-type water quality testing device, including a hull assembly, a water pressure assembly, and a mowing assembly. The hull has a first inner compartment and a second inner compartment. The second inner compartment contains a rotating assembly for synchronous reverse rotation. The hull assembly forms the basic structure of the overall testing device and facilitates cruise operation. The water pressure assembly controls the weight of the entire device by pumping water from the outside. The mowing assembly cuts aquatic plants encountered by the hull during cruise to prevent entanglement. This invention uses a dual-suction pump to pump water from the outside, allowing for adjustments to the water volume in the tanks to control the overall weight of the device. For example, when the device needs to float or sink, the weight can be adjusted to better adapt to different water depths for water quality testing, improving the adaptability and flexibility of the device in various aquatic environments.

The application discloses a dewatering well sealing sleeve, which comprises a dewatering well, a sleeve coaxially arranged on the dewatering well, a containing groove provided on the bottom of the sleeve and used for containing a local part of the end face of the opening of the dewatering well, a sealing member arranged on the bottom of the sleeve and used for sealing the opening of the containing groove, a pouring groove formed by the gap between the inner circumferential wall of the containing groove and the outer circumferential wall of the opening of the dewatering well and the sealing member, a pouring port arranged on the bottom of the sleeve and used for connecting the output end of external pouring equipment and pouring concrete fluid into the pouring groove, a sealing hole penetrating through the sleeve and communicating with the dewatering well, and an opening and closing member arranged on the sleeve and used for sealing or dredging the sealing hole. The application solves the problems that the dewatering well is difficult to pump and drain before sealing, the water pressure of the dewatering well is too high to be discharged from the dewatering well, and the subsequent sealing of the dewatering well is troublesome.

The invention discloses a disposable ureter lithotripsy and discharge system and device, and belongs to the technical field of urinary surgery minimally invasive surgical instruments, and the system comprises an acquisition module which is used for obtaining a pressure value and a temperature value in a ureter; a peristaltic pump; filling a drainage tube; the filling module is used for controlling the filling flow through the filling pump according to the pressure value and the temperature value; a suction pump; a first suction drainage tube; a second suction drainage tube; the suction module is used for controlling the suction flow of the second suction drainage tube through the suction pump according to the pressure value and the temperature value; the disposable ureter lithotripsy and calculus discharging system and device are used in a laser lithotripsy operation, intelligent temperature and pressure measurement is achieved, compared with a traditional host, perfusion flow and suction pressure are regulated in real time in the operation, clear view and nephrology safety are maintained, the pressure in the pelvis is regulated through perfusion flow, the negative pressure suction sheath is tightly attached to the lithotripsy part, fragments are adsorbed in real time and sucked out of the body, and the operation efficiency is improved. And residues are reduced.

The utility model discloses a power generation energy storage type automatic siphon system, which relates to the technical field of siphon drainage, and comprises a siphon water filling device, a water flow power generation control assembly, an adjustable magnetic suction drainage device and a remote terminal device, and the position of the water flow power generation control assembly is higher than the position of the siphon water filling device and the position of the adjustable magnetic suction drainage device. The siphon water filling device is communicated with the water flow power generation control assembly through a siphon, the water flow power generation control assembly is communicated with the adjustable magnetic suction drainage device through a siphon, and the drainage pressure of the adjustable magnetic suction drainage device is adjustable. The device is convenient to install, does not need external power supply, and has no electric shock risk in a humid environment. Safety risks in other aspects are avoided, manual guarding is not needed, full-automatic siphoning can be achieved, and the water level is accurately controlled. The device can be charged by solar energy, wind energy and the like according to different use scenes.

The utility model relates to the technical field of pipe gallery drainage, in particular to a concealed drainage structure for municipal pipe gallery construction, which comprises a pipe gallery body, a famous ditch is arranged at the front part of the inner lower wall of the pipe gallery body, a water collecting well is arranged at the front part of the inner lower wall of the pipe gallery body, and a water diversion diversion trench is arranged at the upper part of the inner left wall of the water collecting well. The water collecting well is located on the right side of the famous ditch, a left-right through water flowing through opening is formed in the inner right wall of the famous ditch, the water flowing through opening is located on the lower side of the right side of the water guiding and guiding groove, the famous ditch is communicated with the interior of the water collecting well through the water flowing through opening, and a primary filtering structure is movably connected to the position over the famous ditch in a clamped mode. According to the concealed drainage structure for municipal pipe gallery construction, the ditch is communicated with the water collecting well, the primary filtering structure is matched with the secondary filtering structure, and the water suction pump is used for pumping and draining water, so that efficient drainage is achieved, maintenance is convenient, the layout of pipe gallery facilities is not affected, and safe and stable operation of the pipe gallery is guaranteed.

The utility model discloses a sewage discharge device and relates to the technical field of sewage discharge devices. The sewage disposal device comprises a sewage disposal barrel, a water tank and a water tank, wherein a cavity is formed in the sewage disposal barrel; the negative pressure pump is arranged above the sewage discharge barrel and is communicated with the cavity so as to generate negative pressure in the cavity; the water suction pipeline is arranged above the sewage discharge barrel, is communicated with the cavity and is used for sucking sewage into the cavity from the water suction pipeline; and the drainage mechanism comprises a drainage port which is arranged at the bottom of the sewage discharge barrel and is communicated with the cavity, and a control assembly which is used for controlling the opening and closing of the drainage port and realizing the start and stop of sewage discharge in the cavity. The technical scheme has the advantages of automatic drainage, good water pumping and drainage effects and difficulty in blockage.

The invention discloses a portable negative pressure suction drainage device and a using method thereof, and belongs to the technical field of medical instruments, a supporting assembly is adjusted to drive two guide hoppers to rotate, through holes in the left side and the right side are communicated with the space below a partition plate, and normal filtering work is conducted; residues and viscous secretions in the filter cartridges on the left side and the right side enter the guide hoppers through the through holes, then the guide hoppers guide out the mixture, the four filter cartridges are alternately unblocked by switching the positions of the two guide hoppers, the filter cartridges are continuously knocked in cooperation with the unblocking assembly, and impurities left on the inner walls of the filter cartridges and in filter holes are shaken off. By means of the working mode that the four filter cartridges are alternately grouped and matched with the rotatable supporting assembly and the guide hopper, long-term load accumulation of a single filter cartridge can be avoided by switching the working states of the filter cartridges, when residues adhere to the filter cartridges and filter holes are blocked, the device does not need to be disassembled or drainage is not interrupted, and the aim of parallel blockage clearing and drainage is achieved; the treatment cannot be interrupted.

The invention discloses water treatment equipment for waste mine pumped storage, and relates to the technical field of water treatment equipment.The water treatment equipment comprises a composite water passing barrel, relay barrels are fixedly installed on the upper side and the lower side of the composite water passing barrel correspondingly, first flange plates are fixedly installed on the relay barrels correspondingly, and a water collecting barrel is fixedly installed in the composite water passing barrel; a filter cylinder is fixedly mounted on one side of the water collecting cylinder, and a sewage draining disc is movably mounted in the filter cylinder; and the dirt collecting mechanism comprises a telescopic motor and a strong magnetic stick, and the telescopic motor is arranged on one side of the composite water passing barrel. The water treatment device is compact in structure, can be directly connected to a water pumping and draining pipeline, is small in occupied space, is convenient to install, can adapt to the situation that no appropriate terrain is provided for installing water treatment equipment, improves the adaptability of the equipment in use, and can automatically switch the flowing direction of a water path through a two-way mechanism no matter the equipment pumps and stores water.

The utility model relates to the technical field of drainage apparatuses, in particular to a trachea cannula drainage apparatus which comprises a guide strip, a mouthpiece, a mounting plate and a collecting box, the guide strip is provided with a vent hole, the mouthpiece is arranged at one end of the guide strip, one side of the mouthpiece is provided with the mounting plate, and one side of the mounting plate is provided with the collecting box. The drainage mechanism is arranged on the collection box, a drainage hole is formed in the guide strip, and the drainage mechanism is matched with the drainage hole; the sealing mechanism is matched with the drainage mechanism, and air guide holes are formed in the guide strips and matched with the drainage mechanism; according to the device, under the action of the micro air pump and the two air bags, the expectoration position of the throat of a patient can be isolated and closed, then sufficient suction and flow suction can be conveniently conducted on the spittoon, and through the action of the vent holes in the guide strip, when the spittoon is sucked, the spittoon can be conveniently sucked out, so that the spittoon can be conveniently sucked out. The spittoon can facilitate normal breathing of a patient, and the operation of suction and drainage of the spittoon cannot be affected.

The present application relates to the technical field of enclosure shrimp culture, in particular to a waste cleaning device for enclosure shrimp fry culture, which comprises: a mounting base, a filter cylinder rotating around the mounting base is arranged on the outer side of the mounting base, a fixed cylinder is fixedly arranged in the middle of the filter cylinder; a water suction pipe and a drain pipe are respectively arranged in the upper half and the lower half of the filter cylinder, and the water suction pipe and the drain pipe are respectively communicated with two compartments in the filter cylinder; a drain port is arranged on the surface of the drain pipe; the beneficial effects are as follows: the mounting base is fixed at the bottom of the culture pond, the filter cylinder rotating around the mounting base is arranged on the outer side of the mounting base, the drain port is arranged on the surface of the drain pipe, the water pump performs water suction through the water suction pipe, the water flow is discharged downwardly through the inclined drain port to impact the bottom of the pond, the reaction force generated by the water flow on the drain pipe pushes the drain pipe and the water suction pipe to rotate as a whole around the mounting base, so that the cleaning area can be automatically changed, manual on-site intervention is not needed, and the device is more convenient and labor-saving to use.

The invention discloses an aircraft floating test device in a water flow environment, the aircraft floating test device comprises a pool body, an anchoring assembly and a flow making assembly, the pool body is used for storing water, the anchoring assembly is provided with an anchoring end arranged in the pool body, and the anchoring end has a first state for fixing an aircraft model and a second state for releasing the aircraft model; the flow making assembly comprises a water pumping end and a water draining end which communicate with the two ends of the pool body, the water pumping end is used for pumping water, and the water draining end is used for draining water to form water flow in the pool body. In the using process, the anchoring end needs to be adjusted to the first state, and then the aircraft model is fixed through the anchoring end. And then the anchoring end is adjusted to the second state, so that the aircraft model is separated from the anchoring end and floats upwards. The water pumping end of the flow making assembly is used for pumping water, and the water draining end is used for draining water, so that water flow is formed in the pool body. The aircraft floating test device in the water flow environment can be used for researching the influence of water flow on icebreaking of an underwater aircraft.

A surgical drain system includes an adherent flange, a drainage tubing, and a suction drainage container. The adherent flange is attached to a skin surface of a patient's body, via a washer, external to an incision site, thereby securing the surgical drain system to the body, free of sutures. The drainage tubing includes a flexible corrugated section connected in fluid communication between two flexible drain sections. A proximal end of a first flexible drain section is inserted into the incision site, while the flexible corrugated section and a second flexible drain section are disposed external to the incision site. The suction drainage container suctions and collects fluid from a wound or surgical site through the drainage tubing. A flexible, cone-shaped, hollow member is inserted into and disposed inside the incision site to preclude the proximal end of the first flexible drain section from being accidentally dislodged from the incision site.

The application provides a laser fiber operator, which comprises a first pipe sleeve for installation, an axial center of the first pipe sleeve is provided with a front channel for penetrating a fiber, and a front end of the first pipe sleeve is coaxially provided with a first guide pipe, a second guide pipe and a third guide pipe, and a guide channel is formed between the guide pipes; similarly, a second pipe sleeve and a third pipe sleeve are coaxially provided at a rear end of the first pipe sleeve, a guide channel is also formed between the second pipe sleeve and the third pipe sleeve, the front and rear channels of the first pipe sleeve are correspondingly guided and communicated, and are independently arranged, the effect of suction drainage and flushing drainage can be realized according to use requirements, and valves are arranged on the corresponding channels respectively, so that the suction and flushing can be controlled. During laser surgery cutting, the cutting affected part is quickly and accurately flushed and cooled, the visual field can be improved, and the operation efficiency and safety can be improved. In addition, the cutting, flushing and suction functions are integrally arranged, and a surgeon can realize the above operation by using one hand, and the use is more convenient.