31results about How to "Precise Disinfection" patented technology

The invention discloses an intelligent long-arm disinfection robot based on a vision system. The intelligent long-arm disinfection robot comprises a long-arm six-axis robot body, a base, a disinfection liquid storage tank, a vision device, a spraying device, a power supply device, a main controller and a moving platform; the long-arm six-axis robot body, the vision device and the disinfection liquid storage tank are mounted at the front end, in the middle and at the rear end of the base correspondingly; the spraying device is arranged on the sixth axis of the long-arm six-axis robot body and communicates with the disinfection liquid storage tank through a conveying pipe; the power supply device and the main controller are arranged inside the base; and the base is placed on the moving platform. The intelligent long-arm disinfection robot is simple in structure, the body is flexible and light, the weight of the body is about 10 kg, the arm length is more than 1 m, and thus the disinfection area is wide; the intelligent long-arm disinfection robot can cross obstacles and climb slopes and is suitable for disinfection work of places such as hospitals, factories, farms and zoos; and thesituation that workers are infected by viruses during disinfection operation is avoided, and plague transmission caused by the viruses is effectively contained.

The invention provides a special electro-cardiscope monitor for pediatric nursing and belongs to the technical field of medical equipment. A body device is mounted on a mounting base by use of a support device; a rotating ring is arranged at the joint of the body device and the support device; a display screen device is mounted on the front end of the body device; a sterilizing lamp is mounted on the body device at the upper end of the display screen device; a handle is mounted at the upper end of the body device; a control panel structure is mounted inside the body device; a blood pressure sleeve structure is mounted on the sidewall of the body device; the control panel structure is connected with the input ends of the sterilizing lamp, the display screen structure and the blood pressure sleeve structure, respectively; a wire outlet is mounted on the sidewall of the mounting base; a plug is connected with the wire outlet by use of a lead; the wire outlet is further connected with the control panel structure by use of a lead. Due to the arrangement of the sterilizing lamp and the body device, the special electro-cardiscope monitor is visual in observation and accurate in monitoring; the monitoring effect is improved and the sterilizing operation is simple; besides, the special electro-cardiscope monitor is safe and reliable, and complete in functional diversity.

The invention discloses a sterilization control method and a sterilization cabinet, and relates to the field of the sterilization cabinet. The method comprises the following steps of detecting the weight of a placing article, and generating weight data; judging whether the weight data exceeds the rated weight or not, wherein the rated weight is used for expressing the preset loaded weight of a carrying slide frame corresponding to the placing article; when the weight data exceeds the rated weight, sending reminding or warning information; when the weight data does not exceed the rated weight,performing sterilization work according to the weight data. The method has the advantages that the accurate sterilization can be performed according to the quantity of placing articles in the sterilization cabinet; in addition, the condition of carrying slide frame deformation due to too heavy weight of the placing articles on the carrying slide frame can be avoided.

The invention discloses a female-only catheter. The catheter comprises main pipelines of an inner surface and an outer surface, and further comprises an external urethral orifice fixing component in which a top end of the head of the catheter can be at least arranged in a sleeved mode, a flexible urethral guiding component, a catheter driving component which is connected with a cylindrical main body of the external urethral orifice fixing component in a sleeving mode, a hydrophobic flow stopping component on a urine outlet of the catheter and spatialized structures, such as thin segments, pump pipes and tubular beds, which conduct expanding operations on narrow urethral areas. According to the female-only catheter, not only are drawbacks of a traditional mode of undirected dangling placement eliminated by a safe mode of directed approaching placement, and is pollution of urethral orifice surrounding tissues to the catheter avoided completely, but also urethral intimal injury caused by narrow urethra in a placement process is avoided furthest; the pollution of flowed urine to a catheter outlet is avoided; blockages of blood clots and tissue masses in a urinary bladder to a urine inlet during retention are removed effectively, and the female-only catheter is matched with a special peristaltic pump so that residual urine volume can be reduced to the lowest.

The invention discloses a control method, device and system of a disinfection robot. The control method comprises the following steps that a reference coordinate system is established according to environment information of a space area, and preset parameters and spraying parameters are generated under the reference coordinate system; working parameters of a liquid spraying system are calculated according to the preset parameters and the spraying parameters; the liquid spraying system is controlled to perform related operation according to the working parameters of the liquid spraying system; whether the rotating speed of a nozzle is within an allowable preset value range or not is judged in real time, and prompt information is sent out; according to the prompt information, the liquid spraying system is controlled to perform adjustment treatment work; and whether the preset disinfection track is completed or not is judged, and if so, a moving trolley returns to the original position. According to the control method, device and control system of the disinfection robot, accurate disinfection is achieved according to different disinfection areas through cooperation of movement of the moving trolley and the liquid spraying system, and the utilization rate of a disinfectant is increased; and meanwhile, the spraying efficiency is improved, and the disinfection effect is improved.

An apparatus for treating and disposing of liquid waste, including but not limited to biological fluids, from a waste container includes a motive and carrier liquid flow passageway including a first venturi, a liquid waste flow passageway including a mixing chamber, connected to the first venturi so as to impose a suction and draw waste from a waste container through the liquid waste flow passageway when motive and carrier liquid is flowing through the first venturi; and a disinfectant line connected between a source of liquid disinfectant and the mixing chamber, so as to impose a suction and automatically draw liquid disinfectant through the disinfectant line to mix with the liquid waste when liquid waste is flowing through the mixing chamber. An alternative embodiment includes a backwash passageway with a backwash venturi to which the disinfectant line is connected, for selectively washing a waste container with a disinfectant solution.

A vehicle ultraviolet disinfection system and a method of disinfecting a vehicle using the same are provided. The disinfection system comprises an ultraviolet disinfection device, a vehicle air conditioner, an in-vehicle temperature sensor and a controller, wherein the controller is connected with the ultraviolet disinfection device, the in-vehicle temperature sensor and the vehicle air conditioner and is configured to determine whether the vehicle air conditioner is turned on or not according to the in-vehicle temperature provided by the in-vehicle temperature sensor before the ultraviolet disinfection device is turned on and turn on the vehicle air conditioner after the ultraviolet disinfection device is turned off. Through cooperative control of the ultraviolet disinfection device and the vehicle air conditioner, it is ensured that the maximum disinfection effect is achieved, it is ensured that air in a vehicle is fresh after disinfection, the disinfection effectiveness and safety are ensured through the control strategy of the controller, and multiple control modes are provided for facilitating user operation. The invention further provides an ultraviolet disinfection system with the ultraviolet disinfection device arranged in the armrest of the vehicle, and the ultraviolet disinfection system can meet the requirement of a user for accurate disinfection of a specific object.

The invention discloses an object disinfection system and method, a storage medium and an electronic device. The system comprises a control device, a liquid storage device and a first mechanical arm;the control device is electrically connected with the first mechanical arm; the liquid storage device is electrically connected with the control device; and the first mechanical arm is provided with anozzle for spraying. The control device is used for sending a transmission instruction for instructing transmission of a disinfectant to the liquid storage device under a condition that a disinfection instruction for instructing disinfection of the target object is detected; the liquid storage device is used for responding to the transmission instruction and conveying the disinfectant to the first mechanical arm; the control device is further used for sending a control instruction for movement control to the first mechanical arm; and the first mechanical arm is used for responding to the control instruction, turning to the target object and spraying out the disinfectant from the spray head. The disinfection efficiency can be improved.

The invention discloses a cleaning and disinfecting device for medical apparatus and instruments. The device comprises a cleaning and disinfecting box body, an inner container, a lifting device and a cleaning and disinfecting device body, wherein the cleaning and disinfecting box body comprises a discharging part and a storage part; the inner container is of a box body structure with an opening in the upper end and is detachably connected with an inner cavity of the cleaning and disinfecting box body; the lifting device comprises a lifting support and an overturning clamping support; and the cleaning and disinfecting device comprises a vertical rod, a transverse rod, a longitudinal rod and a cleaning nozzle. According to the cleaning and disinfecting device for the medical apparatus and instruments provided by the invention, a to-be-cleaned medical instrument can be clamped through the overturning clamping support, the instrument can rotate along a shaft of the overturning clamping support, and the to-be-cleaned medical instrument can be driven through the lifting support to move in the vertical direction. Through movement and rotation among the vertical rod, the transverse rod, the longitudinal rod and the cleaning nozzle, flexible movement of the cleaning nozzle in the limited space of the inner container can be achieved, and cleaning and disinfection can be accurately carried out along with the appearance of the to-be-cleaned medical instrument.

The invention provides an ultraviolet disinfection device based on optical waveguide, and a terminal. The ultraviolet disinfection device comprises an ultraviolet light source, an optical coupler andan optical waveguide light-guiding thin film, wherein the optical waveguide light-guiding thin film comprises a basal layer and a flat-slab light-guiding thin film from bottom to top; the refractive index of the basal layer is smaller than the refractive index of the flat-slab light-guiding thin film; the ultraviolet light source is used for providing ultraviolet light used for disinfection; the optical coupler is used for receiving the ultraviolet light and coupling and importing the ultraviolet light into the optical waveguide light-guiding thin film; and the optical waveguide light-guidingthin film is transparent for the ultraviolet light and is used for receiving the ultraviolet light to disinfect the surface of the optical waveguide light-guiding thin film. Through the optical waveguide light-guiding thin film, the ultraviolet light imported from the optical coupler is received, the ultraviolet light generates total reflection in the optical waveguide light-guiding thin film anddoes not generate attenuation along with distance, and the ultraviolet light only generates light leakage on a dirt adhesion position so as to generate small injuries on the human body. The device issimple, can be integrated to display equipment to carry out ultraviolet disinfection on the display equipment if required, and is convenient to use.

A dental ultrasonic drug delivery system capable of accurately cleaning the inside of root canals and killing bacteria in dentin tubules is provided. The dental ultrasonic drug delivery system delivers a drug to a target using an ultrasonic delivery device 800 . The drug is delivered in a mixed state with nanobubbles. A dental therapeutic probe for applying ultrasound is attached to the ultrasonic delivery device 800 . The dental therapeutic probe is selected from: (1) a root canal insertion probe 100 which is configured to be inserted into a root canal and causes ultrasound to propagate in the root canal; (2) a dental caries therapeutic probe which causes ultrasound to propagate in a dental caries portion; (3) a periodontal disease therapeutic probe which applies ultrasound to a periodontal disease portion; and (4) a hyperesthesia therapeutic probe which applies ultrasound to hyperesthesia portion.

The invention relates to a sterilization rod for the obstetrics and gynecology and belongs to the field of medical instruments. The sterilization rod for the obstetrics and gynecology comprises a sponge head, a blind hole formed in the bottom of the sponge head and a rod body connected with the sponge head through the blind hole; the top of the sponge head is hemispherical, and the bottom of the sponge head is trapezoid; a liquid guide pipe is arranged at the top of the rod body, a scale is arranged at the other side of the rod body, a liquid inlet pipe is arranged at one side of the middle ofthe rod body, and an L-shaped handle is arranged at the bottom of the rod body; a liquid storage bag is connected to one end of the liquid inlet pipe. According to the sterilization rod, the sponge head is arranged and can effectively fit skin in the vagina, the scale is arranged at the outer side of the rod body, and the insertion depth and position can be determined; when the sterilization rodis used, the liquid storage bag is disassembled at first, disinfectant is poured into the liquid storage bag, and then the liquid storage bag is screwed in and fixed to the liquid inlet pipe; the L-shaped handle is hold by hand, the sterilization rod is conveyed into the vagina, the liquid storage bag is pressed, the disinfectant flows into the liquid guide pipe through the rod body, the sponge head is wetted through liquid outlets in the liquid guide pipe, and the vagina is sterilized.

The invention relates to a medical auxiliary device, and particularly relates to an automatic disinfectant spraying device, which comprises a nozzle, a disinfectant bottle and a compressed air source, wherein the nozzle comprises a gas inlet, a disinfectant inlet and a disinfectant spraying hole, the disinfectant spraying hole is communicated with the gas inlet and the disinfectant inlet simultaneously through a hole duct inside the nozzle, the gas inlet is communicated with the compressed air source through a compressed air pipe, the disinfectant inlet is connected with one end of a disinfectant pipe, and the other end of the disinfectant pipe is inserted into the disinfectant bottle. By adopting the scheme, the automatic disinfectant spraying device can replace the traditional manual disinfection mode with automated equipment, the skin in puncturing area can be accurately and normatively disinfected, manpower can be saved, procedures can be decreased, and the cross-infection probability between doctors and patients can be reduced while the medical care working efficiency and quality can be improved.

The invention discloses a clinical wound constant-pressure disinfection device for general surgery department. The clinical wound constant-pressure disinfection device comprises a disinfection mechanism and a disinfection pot, wherein the disinfection mechanism is connected with the disinfection pot through a pipeline; a separation plate is arranged in the disinfection pot; the separation plate isused for separating the disinfection pot into a disinfectant region at the upper side and a waste solution region at the lower side; a liquid injection opening is formed in the top of the disinfectant region; a liquid discharging opening is formed in one side of the waste solution region; a first pump body is mounted on an outer wall, located in the disinfectant region, of the disinfection pot; aliquid feeding end of the first pump body extends into the disinfection region; a second pump body is mounted on an outer wall, located on the waste solution region, of the disinfection pot. According to the clinical wound constant-pressure disinfection device disclosed by the invention, the disinfection mechanism is used for carrying out fixed-point disinfection on a wound through a disinfectionspraying nozzle and a waste solution generated by disinfection is collected and refluxed into the disinfection pot through a collection shell body; accurate disinfection can be realized and the disinfection efficiency is improved; the waste solution also can be recycled and a clean and tidy disinfection environment is ensured; the disinfection pot is internally provided with sub-regions for storing a disinfectant and the waste solution respectively, so that cross contamination between the disinfectant and the waste solution is not caused.

The invention discloses a plasma disinfection device for mobile phones. The plasma disinfection device comprises a shell, a supporting rod, a support, a telescopic rod, a fixed seat, a main switch, a power line socket, a control panel, an emergency stop switch, an LED display screen, an LED indicator light, control keys, a tray fixed plate, a handle, a mobile phone placing tray, a sensor, a slide strip, a slide rail, a vertical partition plate, a threading hole, a horizontal partition plate, a shell rear plate, electronic control components, a PLC, a relay, a MeanWell power supply, a circuit board of a control circuit, a bottom surface of the shell, and the like. The plasma disinfection device is good in disinfection effect, and the electrical damage and physical damage on the mobile phones are reduced. Generated plasma is more uniform and more stable, and different sizes of the mobile phones are accurately positioned through the cooperation of a servo motor and the sensor, so that every mobile phone can be disinfected in an optimal disinfection area.

The invention discloses a multifunctional orthodontic auxiliary forceps, comprising a main forceps head and a sub forceps head, the main forceps head and the sub forceps head are movably connected by a pin shaft, and the opposite side of the main forceps head and the sub forceps head A spring is sleeved therebetween, the top ends of the main pliers and the auxiliary pliers are fixedly connected with clamping blocks, and a battery slot is opened on the side away from the main pliers and the auxiliary pliers. In the present invention, two handles hold the two fixing blocks fixed at the bottom ends of the main pliers head and the auxiliary pliers head at the same time, so that the clamping blocks on the main pliers head and the auxiliary pliers head are close to each other, and the spring is squeezed. The button on the head turns on the LED micro-lights in the two installation slots. The light illuminates the interior of the oral cavity through the light-transmitting plate to observe the specific conditions of the teeth. There is no need to use extra searchlights. The matching LED micro-lights can directly illuminate the interior of the oral cavity. In the process of tooth extraction, the internal situation of the oral cavity can be better observed, which improves the convenience of operation.

A device and method for producing pulsating waves of energy for the massaging effect normally associated with high pressure jet systems in whirlpools, pedicure spas, bathtubs and other medical and non-medical devices. The jet assembly includes no external pipes and unlike “pipeless” jet assembly systems in use today, does not require disassembly or circulation of chemical cleaning agents to maintain a sanitary condition of the jet assembly.

The invention discloses a frequency conversion intelligent robot, spray disinfection method and system, and relates to the field of robot disinfection technology. The method includes: determining the spray rate of the frequency conversion intelligent robot, the volume of the area to be disinfected, the length of the planned route of the frequency conversion intelligent robot, and the length of the frequency conversion intelligent robot. Spray mist particle loss ratio; calculate the frequency conversion intelligent robot according to the spray rate of the frequency conversion intelligent robot, the volume of the area to be disinfected, the length of the planned route of the frequency conversion intelligent robot and the spray mist particle loss ratio of the frequency conversion intelligent robot The pace; control the variable frequency intelligent robot to disinfect the area to be disinfected at the pace. The invention can achieve the purpose of precise disinfection.

The patent of the present invention discloses a portable disinfection device, and specifically relates to the technical field of fruit tree pruning tools. A portable disinfection device, comprising an elastic belt, Velcro is provided at both ends of the elastic belt, and a housing is arranged on the elastic belt, and two first sealing plates and first springs are symmetrically arranged in the housing; A disinfection box is provided, and the shells on the front and rear sides of the two disinfection boxes are equipped with fixed plates, and there are a number of through holes on the opposite sides of the two disinfection boxes. The extruding plate is fixedly connected with the corresponding first sealing plate, the disinfection box is provided with a liquid inlet pipe, and a valve is installed on the liquid inlet pipe, and the bottoms of the two disinfection boxes are also provided with a second sealing plate which nests and slides with each other. The technical scheme of the invention solves the problem that the existing pruning tools are not sterilized in time, which leads to the spread of germs by means of the pruning tools, and can be used for tree construction and protection.

The invention relates to the technical field of tail cutting devices, in particular to mutton sheep tail cutting pliers. The pliers comprise a left plier body and a right plier body, grooves are formed in the sides, close to each other, of the upper portions of the left plier body and the right plier body, the left plier body and the right plier body are hinged through a torsional spring and a rotating shaft, and a protection plate is fixedly arranged on the side, located on the front face of the hinged position, of the left plier body and the right plier body and fixedly welded to the rotating shaft. A storage box is arranged at the lower position between the left plier body and the right plier body, a piston is arranged at the position of an inner cavity of the storage box, supporting rods are hinged to the left side and the right side of the end, penetrating through the storage box, of the bottom of the piston, the left supporting rod is hinged to the left plierbody, and the right supporting rod is hinged to the rightplierbody. The upper part of the storage box is fixedly provided with a hollow pipe. The hollow pipe is fixedly installed on the protection plate, the left side and the right side of one end of the top of the hollow pipe are communicated with hoses, the hose located on the left side is fixedly installed on the left forcep body, and in the tail cutting process, the cut part can be disinfected, and infection is avoided.

The invention provides an intelligent drug administration metering system which is used for quantitative drug administration of pills. The intelligent drug administration metering system comprises a medicine pot, a rotatable medicine distribution disc, a pill baffle plate, a rotary table motor, a first light-transmitting medicine outlet pipeline, a first infrared sensing assembly and a controller,wherein a medicine outlet is arranged at the bottom of the medicine pot; the medicine outlet is connected with the first light-transmitting medicine outlet pipeline; the rotatable medicine distribution disc is arranged in the medicine pot and is provided with a plurality of medicine distribution holes; the rotary table motor is used for driving the rotatable medicine distribution disc to rotate;the pill baffle plate is arranged on an inner wall of the medicine pot and close to one side of the medicine outlet, and a distance is preset between the pill baffle plate and the rotatable medicine distribution disc; the first infrared sensing assembly is used for sensing the quantity of pills entering into the first light-transmitting medicine outlet pipeline; when the assembly senses that the pills with a pre-set quantity enter into the first light-transmitting medicine outlet pipeline, a signal is transmitted to the controller and the rotary table motor stops working. The intelligent drugadministration metering system can realize proper-time and quantitative drug administration of the pills and an air disinfection device can be used for accurately and effectively sterilizing and disinfecting air in a space to be disinfected.

The invention relates to moving wingspan equipment of an automatic disinfection robot and an operation method. The moving wingspan equipment comprises a trolley bottom plate for supporting and moving the whole equipment, wherein a case assembly is arranged at the top of the trolley bottom plate; wingspan equipment is arranged in the case assembly; and the wingspan equipment comprises frame platforms; a transmission device is arranged between the frame platforms, is connected with the connecting rod mechanisms and drives the two sets of connecting rod mechanisms which are symmetrically distributed to be unfolded. The moving wingspan equipment realizes efficient and accurate disinfection at different heights in different areas due to a sprayer or an ultraviolet lamp which is arranged on wingspan for spraying disinfectant, the labor intensity of manual operation can be greatly reduced, the work disinfection efficiency is improved, and high practicability is achieved.

The system includes a computer server receiving data representative of the temperature of the cabin and including a database containing, for the aircraft, a predetermined cycle of regulation of the temperature of the air of the cabin; a ground pre-conditioned air unit including: a pre-conditioned air generator and a control module; and a user interface connected to the computer server and transmitting a control signal to the control module; and the control module, upon receiving the control signal, controlling the pre-conditioned air generator, according to the predetermined cycle, which is modulated depending on the data. This system makes it possible to control the temperature of the cabin in real time, so as to correctly disinfect it.

The invention discloses a control method, device and system of an active fog ion disinfection robot. The method comprises the following steps that a reference coordinate system is established according to environment information of a space area, and preset parameters and spraying parameters are generated under the reference coordinate system; working parameters of the liquid spraying system are calculated according to the preset parameters and the spraying parameters; controlling the liquid spraying system to perform related operation according to the working parameters of the liquid spraying system; whether the rotating speed of the nozzle is within an allowable preset value range or not is judged in real time, and prompt information is sent out; according to the prompt information, a liquid spraying system is controlled to carry out adjustment treatment work; and judging whether the preset disinfection track is completed, and if so, returning the mobile trolley to the original position. According to the control method and device of the active fog ion disinfection robot and the control system of the active fog ion disinfection robot, accurate disinfection is achieved according to different disinfection areas through cooperation of movement of the moving trolley and the liquid spraying system, the utilization rate of disinfectant is increased, meanwhile, the spraying efficiency is improved, and the disinfection effect is improved.

The invention discloses a high-stability oversize ethylene oxide sterilizer, which comprises a shell, one side of the shell is rotationally connected with a door plate through a hinge, one end of the door plate is rotationally connected with a hand wheel through a bearing, one end of the hand wheel is fixedly connected with a clamping block, a clamping groove is formed in the position, close to the clamping block, of the shell, the clamping groove is clamped with the clamping block, the top of the shell is fixedly connected with a transmission device. The air pressure in the device is monitored through a pressure detection instrument, when there is no air, a first chain wheel and a chain wheel set are driven to rotate through operation of a motor, then a rotary disc is driven to rotate, a sliding block slides in a sliding groove, then the left and right reciprocating movement of a gas nozzle is realized, the articles inside the device can be disinfected more deeply and quickly. After cleaning is completed, gas in the device is pumped out through a vacuum pump, people only need to open the door plate to take out the articles, and harm caused by ethylene oxide to the human body is prevented.

The invention discloses an edible mushroom inoculator, and relates to the technical field of agricultural cultivation. The edible mushroom inoculators comprises a bottom disc, a plurality of cultivating bags are arranged on the bottom disc, an inoculation disc is arranged above the cultivating bags, a guide pipe is arranged on the upper portion of the inoculation disc, a plurality of inoculators bodies matched with the cultivating bags are arranged on the guide pipe, and a disinfector is further arranged on the surface of the lower portion of the inoculation disc. The guide pipe is connected with a liquid inlet pipe, and the liquid inlet pipe is connected with a liquid inlet pump. Compared with the prior art, the edible mushroom inoculator has the advantages that the problem that the edible mushroom inoculation efficiency is low is solved.

The invention discloses a pair ofmultifunctional orthodontic auxiliary forceps. The pair of multifunctional orthodontic auxiliary forceps comprises a main forceps head and an auxiliary forceps head, wherein the main forceps head and the auxiliary forceps head are movably connected through a pin shaft, a spring is arranged between the opposite sides of the main forceps head and the auxiliary forceps head in a sleeving mode, clamping blocks are fixedly connected to the top ends of the main forceps head and the auxiliary forceps head, and battery grooves are formed in the sides, away from each other, of the main forceps head and the auxiliary forceps head. According to the invention, two fixing blocks fixed to the bottom ends of the main forceps head and the auxiliary forceps head are held through two handles at the same time, so the clamping blocks on the main forceps head and the auxiliary forceps head get close to each other and extrude the spring; LED micro-lamps in the two mounting grooves are turned on through a button on the auxiliary forceps head, and lamplight irradiates the interior of the oral cavity through a light-transmitting plate, so the specific conditions of the teeth are observed, and redundant searchlights are not needed; and the matched LED micro-lamps can directly irradiate the interior of the oral cavity, so conditions in the oral cavity can be better observed in a tooth extraction process, and operation convenience is improved.

A water jet assembly includes a faceplate with at least one opening, a housing constructed to cooperate with the faceplate, and a mover disposed within a chamber of the housing. The mover is configured to move between a first position adjacent the at least one opening of the face plate and a second position offset from the faceplate to provide a variable volume within the chamber. The water jet assembly also includes an exciter connected to the housing and configured to transition the mover between the first position and the second position to increase and decrease the volume to move fluid into and out of the chamber via the at least one opening.