42results about How to "Injection achieved" patented technology

The invention discloses a syringe pump. The syringe pump includes: a syringe pump body, a transmission mechanism, a monitoring mechanism, a control mechanism, and an alarm mechanism; wherein, the transmission mechanism includes: a slider, a slide rail, a push rod, and a push handle , the slider can move back and forth along the slide rail; the monitoring mechanism includes: a sensor for monitoring the moving position of the slider, which is arranged on the slider and can move synchronously with the slider; the control The mechanism receives the data of the moving position of the slider monitored by the sensor, calculates the current position of the slider and/or the remaining liquid medicine in the syringe and/or the remaining time of injection according to the moving position data, and sends an alarm to the The mechanism sends an alarm instruction; the alarm mechanism sends an alarm signal according to the received alarm instruction. By using the syringe pump, the monitoring process of the injection state of the medicinal liquid can be made stable and reliable, and the detection process is not affected by restrictive factors such as the structure of the syringe.

The invention relates to the field of medical apparatuses, and discloses a combined assembly of a bottle for medicine and an injection device. The combined assembly comprises the bottle for medicine and the injection device, wherein the bottle for medicine comprises a bottle body the inner wall of which is a straight tube; a piston is arranged in the bottle body close to a bottle opening; a push plate is wrapped in the piston, and a needle guide hole is arranged in the centre of the push plate; a sealing rubber plug and a close cover are arranged at the bottle opening; the injection device comprises an injection tube; an inner needle located in the injection tube is arranged at the bottom of the injection tube, and a trocar needle is arranged outside the inner needle; the trocar needle is greater than the needle guide hole in diameter; the needle head of the inner needle extends out of the trocar needle, the tail part of the inner needle is communicated with the outlet of the injection tube, and an outer needle is arranged at the outlet of the injection tube; and the inner tube wall of the injection tube is in clearance fit with the outer edge of the bottle opening.

The invention provides a fully electric super speed injection molding machine, which is mainly composed of a mold closing device, an injection device and a support. The mold closing device and the injection device are placed on the support; the injection device consists of a nozzle, a machine barrel, a heating ring, a threaded rod, a loading hopper, a hopper seat, a hopper seat moving unit, a plasticizing unit, an injection ball screw, a high speed brake unit, two injection motors and an injection platform; the plasticizing unit comprises a linkage support plate, a plasticizing motor, a plasticizing toothed timing belt and a belt wheel; the high speed brake unit comprises a caliper support plate, brake calipers, a brake disc, a bearing end cap, a transmission shaft, a deep groove ball bearing, a thrust bearing, an injection toothed timing belt and a belt wheel; and the injection servo motors provide driving power for the high speed break unit. Compared with the prior art, the injection molding machine does not need high power linear motor drive injection, equipment cost is greatly reduced, the machine has the advantages of being high in responsiveness, energy saving and environment-friendly, and the like, and solves problems that hydraulic super speed injection molding machine is large in energy consumption, difficult to speed up, and the like.

The invention provides a full-electric plastic injection molding machine, comprising a single-servo motor injection molding mechanism and an electric die locking mechanism, wherein the single-servo motor injection molding mechanism comprises a servo motor, a main shaft driven by the servo motor, a ball screw barrel, two clutches, an injection molding push plate, a ball nut, a driving piece and an injection molding screw; a one-way overrunning clutch on the main shaft drives the ball screw barrel to rotate during the forward rotation of the servo motor; when the servo motor is in backward rotation and under the state that the mobile electromagnetic clutch is electrified, the ball screw barrel is drive to rotate reversely; the injection molding push plate moves as the ball nut rotates and the ball nut is engaged with the ball screw barrel; the driving piece is arranged on the injection molding push plate; the driving piece is connected with the injection molding screw; the driving piece is matched with the main shaft through a screw electromagnetic clutch. The full-electric plastic injection molding machine is capable of realizing a plurality of complex actions such as feeding and injection molding of the injection molding mechanism by virtue of the servo motor and the front and rear clutches. The mold locking mechanism perfectly completes the whole injection molding process by employing the innovated full-electric crank-link mechanism. Furthermore, the full-electric plastic injection molding machine is ingenious in structure, and economic and practicable.

The invention relates to a piston pump for thick matter, in particular for high-solids sewage sludge, coal sludge and concrete. The piston pump has at least one delivery cylinder (16) which contains a motor-driven or hydraulically driven delivery piston (20) and which has an orifice (12) which communicates alternately with the interior of a material feed container (10) and with a pressure delivery line (30) in a slide-controlled manner in accordance with the movement of the delivery piston (20). In order to significantly increase the degree of filling of the at least one delivery cylinder (16), an annular nozzle (32) opening into the delivery cylinder (16) in the region of the orifice (12) is provided, and this annular nozzle (32) is connected to an external pressure line (34) to which a lubricant can be admitted.

The invention relates to the field of a medical appliance, in particular to a disposable esophagus medicine applicator in department of gastroenterology. The disposable esophagus medicine applicator in department of gastroenterology comprises a silica gel air bag and an injector which are connected by a double-layer sleeve pipe, wherein the double-layer sleeve pipe comprises an outer pipeline andan inner pipeline arranged in the outer pipeline; and a plurality of groups of medical tough bars are respectively arranged on the curve surface side wall of the silica gel air bag. The disposable esophagus medicine applicator in department of gastroenterology has the advantages that the structure is simple; the cost brought by the use of a sphygmomanometer type latex air bag is reduced; in addition, by controlling the clamp blocks and conical clamp strips, the fixation of an elastic opening supporter and the double-layer sleeve pipe is realized; the displacement of the silica gel air bag dueto the swallowing of a patient can be avoided; the smearing effect is further improved; in addition, the operation and the use by a doctor are convenient; meanwhile, the medical tough bars have certain telescopic performance and can maintain the three-dimensional performance, so that the inner walls of the two sides of a medicine cavity cannot be in contact because the silica gel air bag becomes big, so that the deformation of the medicine cavity is reduced; further, medicine liquid can be conveniently injected into the medicine cavity; and the medicine liquid can be conveniently smeared ontothe esophagus position through a medicine leaking hole.

The invention discloses a carried animal epidemics long-arm syringe, relates to the field of a carried animal epidemics long-arm syringe and particularly relates to the carried animal epidemics long-arm syringe. The carried animal epidemics long-arm syringe comprises a syringe body and an auxiliary rod; the syringe body comprises a shell and a push rod which is movably arranged in the shell and extends out of one end of the shell; a syringe needle is arranged at the other end of the shell; one end of the auxiliary rod is fixedly connected with one end, which is far away from the syringe needle, of the push rod by a connection device; the shell is movably arranged in the connection device, and the shell slides in the connection device along the direction of the center axis of the shell. The carried animal epidemics long-arm syringe disclosed by the invention is simple in structure and easy to operate; by utilizing the auxiliary rod, a distance between veterinarian personnel and an animal is increased, so that security of the veterinarian personnel in the operation process is ensured; after the syringe needle is inserted into an injection point of the animal by utilizing the auxiliary rod, the push rod is pushed to implement injection.

The invention discloses a device for keeping fixed state and automatic medication for cattle breeding plants. The device comprises a plurality of mechanisms for keeping fixed state and automatic medication, which are distributed in an equal spacing manner, each mechanism for keeping fixed state and automatic administration comprises a barrier for keeping fixed state, and an automatic medication machine and a PLC which are mounted on the barrier for keeping fixed state; the automatic medication machine comprises a medication box, an automatic injector and a second hydraulic cylinder, and an automatic injection opening is formed in the medication box; and the automatic injector comprises a housing and a medicine pipe, an injection plunger, an injection plunger rod, a guide device, a drivingplate, a ball screw mechanism, a motor and a disposable replaceable syringe needle which are located in the housing. According to the device disclosed by the invention, the movement of livestock can be effectively limited, besides, the automatic medication machine can perform disinfection on injection sites and injection for medication, is free from artificial keeping of fixed state and injection,can realize fully-automatic screening, keeping of fixed state, disinfection, injection and data counting intelligent management, is convenient to use, accurate in injection measurement, labor-saving,simple in structure and low in manufacturing cost, and is particularly suitable for scaleable breeding enterprises to use.

The invention discloses a direct-connected full-electric injection plasticizing and driving system, which comprises a rectangular injection bench, a linear guide rail, an annular moment motor, a ribbed slab, a connection disc, a ball bearing lead screw nut, a bearing, a bearing sleeve, a mold movement sleeve support bench, a mold movement sleeve, a chute, a projection, a servo motor, a screw, a machine cylinder and a feed inlet, two rectangular through holes are opened at side edge of the rectangular injection bench, a linear guide rail is fixed on each through hole, a rotor of the annular moment motor is connected to the screw, the projection is arranged at end of the ball bearing lead screw nut, and the projection is capable of sliding in the chute. Compared with the full-electric injection plasticizing driving system in prior art, member rotation shafts capable of performing revolution motion is positioned on same line, vibration due to machine unbalance can be reduced, the injection motor is removed from the injection bench simultaneously, injection bench vibration due to rotation of the injection motor can be avoided, screw wearing due to vibration can be reduced, injection bench weight is reduced, and injection speed is increased.

The invention discloses a syringe lengthening device for dairy cows. The device comprises a base, an actuating part and an injection part. The actuating part is installed above the base, and the frontend of the execution part is provided with the injection part. The base is provided with an actuating rod installation column and an operation rod installation column, and the upper ends of the actuating rod installation column and the operation rod installation column are respectively provided with a hinged through hole. The actuating part comprises an operation rod, a middle rod and two actuating rods, the front end of the operation rod is provided with an installation groove, two sides of the installation groove are provided with two hinged through holes communicating the left and right sides of the operation rod, the bottom of the operation rod is provided with an installation convex, the installation convex is provided with a hinged through hole, the two ends of the middle rod are provided with hinged through holes, and one end and the middle part of the actuating rod are respectively provided with hinged through holes. The operator can press the operation rod once to realize thelong-distance insertion and injection of the syringe with no touching of the syringe directly by hand to inject, thereby avoiding the pricking injury to the operator and ensuring the personal safetyof the operator.

The invention provides a puncture device suitable for an epidural space and an epidural catheter in the anesthesiology department, and relates to the technical field of anesthesia appliances, the puncture device suitable for the epidural space and the epidural catheter in the anesthesiology department comprises a base plate, two fixing seats of the base plate are symmetrically arranged, and open grooves are formed in the outer sides of the two fixing seats; a sliding rod is arranged in the open slot; a sliding plate is connected to the two sliding rods; during puncturing, the puncturing mechanism is in a vertical state, then the base plate is attached to the back of a patient, the puncturing mechanism is aligned with the midpoint of a spinous process gap of the patient, then the plum blossom handle drives the screwing pipe to move forwards slowly, after the screwing pipe is screwed into the connecting cylinder continuously, a puncturing needle penetrates through the conical auxiliary pipe firstly, and then the puncturing needle is inserted into the conical auxiliary pipe. The puncture needle is arranged on the waist of a patient and then slowly punctures the skin of the patient, so that puncture of the waist of the patient is achieved, the patient can be stably punctured in the process, the puncture needle cannot deviate, and the puncture needle cannot be bent under the assistance of the conical auxiliary tube.

The invention relates to a combination method of a step-by-step focusing-axial mixing-high-performance liquid chromatographic separation system. The combination method includes the steps: (1) respectively setting duration of a first high-pressure six-way switching valve positioned at a sample carrying gear and a sample injection gear according to the mixing ratio of sample liquid and a flowing phase; (2) positioning the first high-pressure six-way switching valve at the sample carrying gear, positioning a second high-pressure six-way switching valve at a mixing gear, starting a high-pressure pump and an automatic sample injector; (3) starting a detector, positioning the first high-pressure six-way switching valve at the sample carrying gear, positioning a second high-pressure six-way switching valve at a non-mixing gear, and performing gradient elution, separation and detection. Timing is started after the automatic sample injector completely injects the sample liquid into a quantitative loop, the first high-pressure six-way switching valve is switched to the sample injection gear after reaching the set duration of the sample carrying gear, and then the first high-pressure six-way switching valve is switched back to the sample carrying gear after reaching the set duration of the sample injection gear. The process is repeated until sample injection is finished, and analyte is focused at a chromatographic column. By the method, sample injection volume can be further increased.

The invention relates to the technical field of blasting, in particular to a fully-automatic static blasting expanding agent automatic filling device. The device comprises a remote control device anda moving trolley wirelessly connected with the remote control device, a bearing plate which is horizontally arranged is arranged on the top of the moving trolley, a stirring mechanism is arranged on the top of the bearing plate, an expansion agent injection mechanism is arranged on the front end of the bearing plate, and a conveying mechanism is arranged between the stirring mechanism and the expansion agent injection mechanism. The device has the beneficial effects that through the stirring mechanism, automatic stirring of an expansion agent can be achieved, labor intensity of a worker is reduced, the stirring mechanism is mounted on the moving trolley, the moving trolley is wirelessly controlled by the remote control device to move, after the moving trolley is moved to an air hole, the conveying mechanism works, the expansion agent in the stirring mechanism is conveyed to the expansion agent injection mechanism, the expansion agent injection mechanism is responsible for guiding the expansion agent into the air hole, automatic expansion agent injection work is achieved, work efficiency is improved, labor intensity of a worker is reduced, and the construction period is shortened.

The invention discloses a horizontal automatic sampling device for ultraviolet fluorescence sulfur, which comprises a sampling mechanism and a sample injection mechanism. The sampling mechanism comprises a base, a rotating disc, a plurality of sample bottles, a sampling needle and a sampling pipeline, a plurality of fixed clamping grooves are formed in the rotating disc, a plurality of sample bottles are respectively arranged in the fixed clamping grooves in a matched manner, the sampling needle is communicated with the sampling pipeline, and the sampling needle is driven by a stepping motor to vertically move up and down. The sample injection mechanism comprises a sample loop, a six-way valve, an emptying port, a negative pressure pump, a carrier gas inlet and a connecting mechanism, sixvalves of the six-way valve are respectively communicated with the sampling pipeline, one end of the sample loop, the carrier gas inlet, the connecting mechanism, the other end of the sample loop andthe emptying port, and the sample injection mechanism is communicated with a sulfur and nitrogen analyzer through the connecting mechanism. The device provided by the invention can realize automatic and horizontal sample injection on the basis of the existing manual equipment, and can improve the detection precision while improving the detection work efficiency.

The invention provides a lead screw transmission mechanism and a booster for local anesthesia in the oral cavity, which belong to the field of medical devices and are used to be installed on the booster for local anesthesia in the oral cavity, including a screw main body, a drive nut, a motor, a guide, a first The Hall sensor assembly and the controller, wherein the output shaft of the motor is driven and connected to the main body of the screw, the drive nut is screwed on the main body of the lead screw, the drive nut is slidably connected to the guide, and the rotation of the drive screw drives the drive nut to reciprocate relative to the guide Movement; the signal of the first Hall sensor is connected to the controller for detecting the rotational speed of the motor, and the controller controls the connected motor. The screw drive mechanism is applied to a booster for local anesthesia in the oral cavity, which can accurately control the injection amount of medicine and improve the safety of medicine injection, and is convenient and quick to operate, sensitive to control, can be made into a pen type, and is easy to operate.

The invention discloses a combustible liquid high-pressure explosion limit measuring device and a molar fraction gas distribution method. The combustible liquid high-pressure explosion limit measuringdevice comprises an explosion container and a compressed air storage tank, wherein the explosion container is connected with the compressed air storage tank, and the explosion container and the compressed air storage tank are each provided with a temperature measuring part, a temperature control part and a pressure sensor; an end cover is arranged at the top of the explosion container, an ignition part and a liquid sample inlet are arranged on the end cover, and a liquid sample inlet device is arranged at the liquid sample inlet. By means of the mode that a high-pressure sealing plug is additionally arranged on the outer side of a liquid inlet sealing gasket and the outer side of a sample inlet plug, the injection sample inlet mode can be successfully applied to a pressure measurement method explosion limit testing device, the sample inlet amount of combustible liquid steam under the high-pressure initial condition can be accurately controlled, and therefore accurate testing of the explosion limit is achieved. The device is simple in structure and easy to implement.

An electromagnetically driven non-backpressure electronically controlled diesel fuel injector, including a fuel injector housing with an oil inlet passage and an oil return passage, a nut sleeve, an electromagnetic driver, a two-position three-way valve without backpressure, a lock nut, Adjusting gasket, transition block, pressure spring, fuel injector coupler, install transition block, non-back pressure two-position three-way valve, adjusting gasket, lock nut, and electromagnetic driver in sequence in the axial direction of the injector housing , install the pressure spring, the injector assembly, the upper and lower end surfaces of the injector housing, the transition block, the two-position three-way valve without back pressure and the two end surfaces of the adjusting gasket, and the lower end surface of the electromagnetic driver in sequence in the nut sleeve. It is a high-flatness plane, and the end faces of each part are closely connected to form a seal, which constitutes a mechanism for the axial movement of the needle of the fuel injection nozzle of the non-backpressure two-position three-way valve controlled by an electromagnetic driver under the high-pressure diesel state; The actuator is free from external interference during the driving process and has good high-frequency response characteristics, which can realize more accurate and higher-frequency high-pressure diesel injection.

The invention relates to the technical field of medical instruments, and discloses a cardiovascular medicine clinical angiograhic injector. The injector comprises a needle cylinder, wherein a push rodwith one end penetrating through and extending into the needle cylinder is movably installed at the top of the needle cylinder, a right side piston is fixedly installed at the bottom of the push rod,and an injection needle is fixedly installed at the bottom of the needle cylinder. According to the cardiovascular medicine clinical angiograhic injector, during injection, a worker only needs to hold the needle cylinder with one hand and then presses a pressing rod with fingers, a connecting rod extrudes a moving rod, the moving rod moves downwards, then a rubber sealing block does not seal a vent hole any more, compressed air enters the needle cylinder to extrude the right side piston, the right side piston moves downwards, therefore injection of a contrast agent is achieved, in the whole injection process, the worker only needs to operate with one hand, the worker only needs to press the pressing rod in the operation process, and compared with a traditional pushing injection mode, theinjector is easier and more labor-saving, and injection is more stable.