14 results about "Driver syringe" patented technology

The present invention relates to a chemiluminescent in vitro diagnostic device using a cartridge having a plurality of wells. The in vitro diagnostic device of the present invention comprises: a syringe having an outlet part at a lower end thereof; a plunger configured to move up and down in a state of being in close contact with the inside of the syringe; a magnet rod attached to the lower portion of the plunger in a height direction and configured such that the lower end thereof can pass through the outlet part of the syringe; a first driving unit for moving the syringe up and down; and a second driving unit for moving the syringe up and down.

The invention is suitable for the technical field of artificial insemination equipment, and provides accurate positioning insemination equipment for artificial insemination of mutton sheep. A mounting groove is formed in the flow guide sleeve, the mounting groove extends and penetrates in the length direction of the flow guide sleeve, and an injector for storing semen is arranged in the mounting groove; the injector comprises an injector body and an injection rod, and the injection rod is inserted into the injector body; an extending pipe is arranged at the output end of the injector; the rotating seat is rotationally arranged at the end part of the flow guide sleeve; the first micro camera is arranged at one end, away from the rotating seat, of the guide sleeve; the second micro camera is arranged at the output end of the extending pipe; the driving mechanism is arranged between the rotating seat and the injector and is used for driving the injector to move or inject; and a display device. The first micro camera, the second micro camera and the display device are arranged to be matched so that semen can be accurately injected to a proper position, meanwhile, the grab handle is arranged, operation can be achieved with one hand, operation is easy, and use is convenient.

The invention relates to an electric puncture injection device with a force feedback function, belongs to the technical field of medical instruments, and solves the problems that in the prior art, a puncture injection device is poor in puncture injection precision and prone to misoperation. The device comprises an injector, a fixing mechanism, a propelling device, a sensor unit and a driving device, wherein the injector can be fixedly mounted in the fixing mechanism; the fixing mechanism, the sensor unit and the driving device are connected in sequence; the sensor unit and the driving device are connected with an external controller; the propelling device is installed on the injector and used for driving the injector to complete injection or extraction. The functions of automatically monitoring the current puncture angle and evaluating whether puncture is in place or not are achieved, medical staff can quickly and accurately adjust the puncture angle to meet the requirement of the standard puncture angle, and therefore the operation precision is improved, the probability of misoperation is reduced, damage to a patient is avoided, and the safety of the puncture injection device is improved.

The present disclosure relates to an automatic injection device for automatically injecting a fluid in an injector to a target injection site. The syringe includes a barrel for containing a fluid, a needle disposed at a proximal end of the barrel, and a movable plunger rod axially movable within the barrel. The automatic injection device includes: a syringe holding assembly for loading and holding a syringe; the injector driving assembly comprises a shell and a driving mechanism arranged in the shell in a releasable mode, and the driving mechanism comprises a movable body capable of moving after the driving mechanism is released, a first driving spring and a second driving spring; a second drive spring configured to drive a barrel of the syringe to move proximally to insert a needle of the syringe into a target injection site, and a first drive spring configured to drive a movable plunger rod of the syringe to move proximally to perform an injection; the first drive spring and the second drive spring have different spring stiffness.

A control method for an automatic analyzer that can improve robustness, throughput, and measurement accuracy. The automatic analyzer includes a sample loop connected between two sample ports of a plurality of sample ports of a switch valve. The method includes the steps of: adjusting a drive parameter of the syringe corresponding to a viscosity of the sample acquired in advance; switching the switch valve to a first state in which the sipper and the syringe contact with each other without through the sample loop; driving the syringe based on the drive parameter to draw and introduce the sample through the sipper; switching the switch valve to a second state in which the syringe and the sample loop conduct with each other; and driving the syringe based on the drive parameter to introduce the sample into the sample loop.

The invention relates to an injector clamping mechanism of an RPR separating device, and belongs to the technical field of clamping mechanisms, the injector clamping mechanism comprises a clamping frame, the clamping frame is U-shaped, and the clamping frame and the bottom of a separating machine are fixedly installed; the injector is used for extracting a sample solution; the drawing rod is composed of a round block at the top, a round rod in the middle and a piston at the bottom, the piston is located in the injector, and the round rod is in sliding connection with the inner wall of the top of the injector; the needle head is fixedly connected to the top of the drawing rod; and a clamping installation structure. By arranging the driving transmission structure and the clamping and fixing structure, an injector can be clamped, meanwhile, the injector can be driven to be close to the sampling tube and carry out extraction and sampling on the interior of the sampling tube, meanwhile, the injector can rotate in the sampling process, and then a needle head of the injector can rotate in the inclined direction; furthermore, the interior of the sampling tube can be sampled.

An automatic injection device is disclosed. The syringe includes a barrel for containing the fluid, a needle arranged at a proximal end of the barrel, and a movable plunger rod movable within the barrel. The automatic injection device includes a syringe retaining assembly for retaining the syringe; and a syringe driving assembly including a housing and a driving mechanism releasably arranged in the housing. The driving mechanism includes a movable body moveable after the driving mechanism is released, a first driving spring and a second driving spring, wherein the second driving spring is configured to drive the barrel of the syringe to move proximally to insert the needle of the syringe into an injection site of a target, and the first driving spring is configured to drive the movable plunger rod to move proximally to carry out injection; and the first and second driving springs have different spring stiffnesses.

This application discloses an auxiliary device and method for water sample purification. The auxiliary device includes a fixed support, which has an upper functional section, a middle functional section, and a lower functional section arranged vertically. The upper functional section includes a mechanical gripper that generates thrust on a syringe and a conveyor belt for transporting the syringe. The mechanical gripper drives the internal push rod of the syringe through a pressure pump. The middle functional section includes at least one adjustable support platform with a syringe fixing mechanism for docking the syringe with the purification column. The lower functional section includes a waste liquid cup and a receiving container for receiving purified water samples. The device adopts a four-section functional structure design with the fixed support as the main body. It is compact, moderately sized, and meets the portability requirements for experimental operations in various scenarios.

The utility model discloses a powder injection diluting device, which relates to the technical field of medical instruments, and comprises an injection bottle base, an injection driving mechanism and a controller, the injection bottle base is used for supporting an injection bottle, a first weight sensor is arranged on the injection bottle base, the first weight sensor can measure the weight of an object borne on the injection bottle base, and the controller is used for controlling the injection driving mechanism. The injection driving mechanism can drive the injector to inject a dissolving agent into the injection bottle, the controller is in signal connection with the first weight sensor and the injection driving mechanism, the first weight sensor can transmit measured weight information to the controller, and the controller can control starting and stopping of the injection driving mechanism. According to the powder injection diluting device, the first weight sensor is used for measuring the weight of a medicament in the injection bottle and transmitting the weight to the controller, and the controller controls the injector to inject a dissolving agent into the injection bottle or stop injecting the dissolving agent, so that the accuracy of the adding amount of the dissolving agent can be improved, and the accuracy of the dilution concentration of the powder injection is improved.

The utility model discloses a propulsion mechanism and an injector, and relates to the technical field of injectors, the propulsion mechanism comprises a rotating unit, the rotating unit comprises a mounting shell, a shell cover arranged on one side of the mounting shell, a connecting assembly arranged on one side of the mounting shell, a reciprocating motor arranged in the mounting shell, and a circuit board and a battery arranged in the mounting shell. The device has the advantages that the reciprocating motor is driven, the threaded rod is elaborately triggered to accurately move along a linear track, the mechanism further drives the injector to achieve automatic extraction and injection functions, in the experiment process, after an experimenter accurately places an injection needle into a mouse body, only the reciprocating motor needs to be simply started, and the operation is convenient. Therefore, the injection operation can be smoothly completed, the cumbersome step that two persons need to cooperate traditionally is thoroughly abandoned, and the whole injection process becomes unprecedented, convenient and efficient.

This invention relates to the field of transformer oil moisture content detection, and in particular to an automatic sampling method and apparatus for detecting transformer oil moisture. The method includes: setting a preset displacement trajectory for the syringe plunger; controlling a drive mechanism to drive the syringe plunger along the preset displacement trajectory, and acquiring the current position and thrust torque of the plunger in real time; determining the displacement deviation between the current position and the theoretical position, and dynamically adjusting the torque threshold; initiating torque compensation when the thrust torque exceeds the torque threshold; and pre-compensating the control command based on the torque change rate and displacement deviation. By setting the preset displacement trajectory of the plunger and acquiring the current position and thrust torque of the plunger in real time, the torque threshold is dynamically adjusted. When the thrust torque exceeds the limit, torque compensation is initiated. Simultaneously, the control command is pre-compensated based on the torque change rate and displacement deviation, overcoming problems such as insufficient thrust, missed steps, and poor repeatability caused by sudden changes in resistance or local blockage during micro-sample injection.

In a control method of an automatic analysis device provided with a sample loop connecting between two of a plurality of sample ports connected to a switching valve, there are a step of adjusting a drive parameter of a syringe in accordance with viscosity of a sample obtained in advance, a step of switching the switching valve to a first state in which a carrier and the syringe are conducted without passing through the sample loop, a step of driving the syringe based on the drive parameter to introduce and conduct the sample into the carrier, a step of switching the switching valve to a second state in which the syringe and the sample loop are conducted, and a step of driving the syringe based on the drive parameter to conduct the sample to the sample loop. Thus, robustness, productivity, and measurement accuracy can be improved.

A syringe pump system (2) comprises a syringe (4) with a syringe sleeve (6) and a syringe plunger (8) movable in the syringe sleeve (6), wherein the syringe sleeve (6) has an opening (71) for receiving and dispensing a fluid; a changeover valve (40) fluidically connected to the opening (71) in the syringe sleeve (6); and a syringe pump body (16) configured to support the syringe (4) and the changeover valve (40); wherein the syringe pump body (16) has at least one actuator (20, 22) configured to actuate the syringe plunger (8) and / or the changeover valve (40). The changeover valve (40) has a changeover valve data memory (52) in which changeover valve data is stored. The syringe pump body (16) includes a processor (26) which is designed to read the switching valve data from the switching valve data memory (52).At least one interface (54, 58) is provided between the syringe pump body (16) and the changeover valve (40), which makes it possible to transfer the changeover valve data from the changeover valve data memory (52) to the processor (26) in the syringe pump body (16).

A syringe pump system (2) comprises: a syringe (4) having a syringe sleeve (6) and a syringe plunger (8) which is movable in the syringe sleeve (6), wherein the syringe sleeve (6) has an opening (71) for receiving and dispensing a fluid; a switchover valve (40) which is fluidically connected to the opening (71) in the syringe sleeve (6); and a syringe pump body (16) which is designed to support the syringe (4) and the switchover valve (40); wherein the syringe pump body (16) has at least one drive (20, 22) which is designed to drive the syringe plunger (8) and / or the switchover valve (40). The switchover valve (40) has a switchover valve data memory (52) in which switchover valve data are stored. A processor (26) is provided in the syringe pump body (16) and is designed to read the switchover valve data from the switchover valve data memory (52). At least one interface (54, 58) is formed between the syringe pump body (16) and the switchover valve (40), which interface makes it possible to transmit the switchover valve data from the switchover valve data memory (52) to the processor (26) in the syringe pump body (16).