8results about How to "Low operating experience requirement" patented technology

The utility model belongs to the technical field of anesthesia, and discloses an ultrasound-guided nerve block anesthesia puncture device which comprises an ultrasonic probe, a fixing device, a cable, a puncture needle, an anesthetic injection channel, a sensor, an encoder, a high-performance processor, a human-computer interaction interface and a mechanical arm. Through real-time imaging of the ultrasonic probe and accurate control of the control system, the puncture needle can be accurately guided to a target nerve position, and anesthesia accuracy is improved. Due to the introduction of the mechanical arm, the puncture operation is simpler and more convenient, and the requirements on the operation experience and skills of doctors are reduced. Due to the fact that positioning is accurate, operation is easy and convenient, the pain and discomfort of the patient in the puncture process can be reduced. By means of accurate puncture operation, damage to surrounding normal tissue can be reduced, and the occurrence risk of complications is reduced.

The application relates to a blood vessel anastomosis device, which comprises a first support and a connecting piece. The first support is provided with a first opening penetrating the inner and outer walls of the first support, and the first opening is used for being opposite to a first fistula position on a first blood vessel. The connecting piece comprises a pipe part and a first clamping part connected to one end of the pipe part. The connecting piece is provided with a blood flow channel penetrating the pipe part and the first clamping part along the axial direction of the pipe part. The pipe part is arranged in the first opening, and the first clamping part is arranged on the inner wall side of the first support and matched with the inner wall of the first support, so as to seal and clamp the blood vessel wall around the first fistula on the first blood vessel. The blood vessel anastomosis device saves the operation time, improves the operation efficiency, and improves the operation safety and postoperative recovery effect.

The utility model relates to a pipe racking machine which comprises a cofferdam assembly, a track assembly and a gantry crane assembly, and the track assembly comprises a track fixing frame, a track folding frame and a folding lug base assembly; the folding lug base assembly comprises a fixed lug base, a movable lug base and a rotating pin shaft set, the fixed lug base is fixed to the rail fixing frame, the movable lug base is fixed to the rail folding frame, the folding lug base assembly can achieve bidirectional overturning of the rail folding frame relative to the rail fixing frame, and in the oil pipe feeding and discharging process, a first pin shaft located on the inner side is detached; the rail folding frame is outwards turned and opened by taking the second pin shaft as a rotating center line, so that the oil pipe is convenient to load and unload, and interference with the rail folding frame in the loading and unloading process is avoided; in the transportation process of the pipe racking machine, the second pin shafts located on the outer side are detached, the rail folding frames on the two sides are closed inwards with the corresponding first pin shafts as the rotation center lines, the overall size of the pipe racking machine is reduced, transportation and carrying are convenient, and the transportation cost is reduced.

The invention discloses an electric screw-in piercing card, comprising an electric control handle (1), a piercing card sleeve (2) and a piercing card core (3); the electric control handle comprises a handle shell and a screw-in control component in the handle shell, the screw-in control component output end is provided with a coupling bayonet (11), the piercing card sleeve is provided with a control connection part (21) matched with the coupling bayonet, and the control connection part is connected to the electric control handle through the coupling bayonet; a first screw-in thread (22) is provided on the outer tube wall of the piercing card sleeve; the piercing card core is provided with a clamping part (31), the piercing card core penetrates the control connection part and the piercing card sleeve, the needle tip (32) extends to the outside of the piercing card sleeve, the clamping part is clamped with the control connection part, the piercing card core and the piercing card sleeve are screwed into the surgical piercing port and are tightened and contacted with the inner wall of the piercing port through the first screw-in thread. The invention can tighten and screw into the surgical piercing port through the thread, reduce damage to the surgical piercing port tissue, facilitate the piercing card to be sent into and positioned in the abdominal cavity wall, assist laparoscopic surgery to proceed smoothly, and facilitate postoperative recovery.

This invention discloses a compound leavening agent and its application, relating to the field of food processing technology. The compound leavening agent is composed of glucono delta-lactone and sodium bicarbonate in a mass ratio of 1:0.35~0.5. The compound leavening agent provided by this invention has a high degree of synchronization between its peak gas production and the steaming heating process, allowing the dough to be directly shaped, steamed, and cooked after kneading, significantly improving processing efficiency. The formula contains only two components, is free of aluminum, phosphorus, and fillers, making it safe, harmless, low-cost, and simple to process. The resulting pasta products have a smooth surface, fine pores, a pure wheat aroma, and no off-odors. The finished product has stable and uniform quality, is easy to operate, and is suitable for rapid and standardized production in chain restaurants, central kitchens, and home settings.

The utility model relates to the technical field of detection devices, in particular to a circuit board bending performance detection device which comprises an operation table, two bearing plates are welded in the middle of the upper surface of the operation table, and the upper surfaces of the bearing plates are fixedly connected with a support. A sample plate to be detected is placed on the upper surfaces of the two supporting rods, the extending length of the hydraulic cylinder is adjusted, so that the pressure contact block touches the upper surface of the sample plate, the pressure value controlled by the pressure control valve and the horizontal position, displayed by the comparison ruler, of the lower surface of the sample plate are recorded, and along with the increase of the pressure, the detection accuracy is improved. According to the device, the sample plate deforms, the horizontal position of the lower surface of the sample plate also changes, the relation between the pressure acting on the surface of the sample plate and the deformation of the sample plate is finally obtained by continuously adjusting the hydraulic cylinder and recording data for multiple times, the requirement for the operation experience of workers is not high, the force acting on the surface of the circuit board can be controlled, and the working efficiency is improved. The bending test efficiency is improved, the workload of workers is small, and the practicability is higher.

The utility model discloses a yeast adding device for wine product production, which relates to the technical field of wine product production and comprises a yeast bin, a feeding branch pipe, a negative pressure fan and a feeding pipeline. A containing cavity is formed in the koji bin, and a feeding port and a discharging port are formed in the koji bin; the front ends of the at least two feeding branch pipes are respectively communicated with a koji material, the rear ends of the at least two feeding branch pipes are communicated to the front end of the feeding pipeline in parallel, and the rear end of the feeding pipeline is communicated with the feeding hole; and a negative pressure fan is preferably arranged in the feeding branch pipe. According to the utility model, the negative pressure air flow generated by the negative pressure fan is utilized to realize the feeding of the koji material, the feeding speed of the koji material can be controlled by adjusting the wind power of the negative pressure fan so as to meet the requirement of the technology on the koji material ratio, and the koji material feeding device has the advantages of simplicity and convenience in operation, high efficiency, low labor intensity and low requirement on the operation experience of workers.

This invention provides a prosthesis removal device for knee replacement revision surgery based on a high-frequency electrosurgical unit, belonging to the field of medical device technology. It includes a high-frequency electrosurgical pen tip, with a high-frequency electrosurgical pen body fixedly connected to the top of the tip. A connecting plate is located at the top of the pen body, and a first negative pressure tube is mounted on the connecting plate, passing through it. A fixing cap is threadedly connected to the top of the pen body, movably sleeved with the first negative pressure tube, and positioned at the top of the pen body and fitting against the connecting plate. The bottom end of the first negative pressure tube extends to the outside of the bottom end of the pen body, and a suction component is located at the lower end of the tube. This invention uses the high-frequency electrosurgical pen tip to heat and melt the bone cement in the prosthesis, reducing the difficulty of removing the main bone from the prosthesis and lowering the requirements for operator experience and skill. The suction component absorbs the melted bone cement.