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4847results about How to "Reduce breakage" patented technology

Staple cartridge assembly of disposable intracavity cutting and edge incising anastomat

The invention provides a staple cartridge assembly of a disposable intracavity cutting and edge incising anastomat. The staple cartridge assembly comprises a staple cartridge, a staple cartridge base and a staple butting plate, wherein the staple cartridge is arranged in the staple cartridge base, a cutting slot is formed in the middle of the staple cartridge, multiple rows of suturing staple slots are formed in two sides of the cutting slot in the staple cartridge, staple pushing piece groups corresponding to the suturing staple slots are arranged in the staple cartridge seat below the staple cartridge, tissue pressing block slots are further formed in the staple cartridge on one side of the cutting slot and are located on the staple cartridge between one row of suturing staple slots on the innermost layer and the cutting slot, tissue pressing structures are arranged on the staple pushing piece groups and/or staple butting plate corresponding to the tissue pressing block slots, and the tissue pressing structures are tissue pressing blocks at certain heights. With the adoption of the tissue pressing structures, pathological frozen sections after an operation can be made while complete tissue is reserved, the stability of the tissue during the operation can also be guaranteed, blood vessel breakage is reduced, and the operation risk is reduced.
Owner:PRECISION CHANGZHOU MEDICAL INSTR

Powered lower bobbin feed system for deflector type rotary braiding machines

A Powered Lower Bobbin Feed (“PLBF”) system is disclosed for improving the operation of deflector type rotary braiding machines, such as the Wardwell Rapid Braider. The PLBF eliminates or reduces the impulsive tension spikes set up by the deflection and feed process in current rotary braiding machines by uniquely controlling the lower bobbin filament feed. These tension spikes result from: the rapid rotational acceleration and deceleration required of the lower bobbin as a result of the feed process; the lever arm tension control and bobbin ratchet mechanism; and the shape of the filament deflector surface. Such failure limits the operating speed of rotary braiding machines, the minimum size of filament that can be braided effectively, or the ability to maintain the quality of the braid produced. By eliminating or reducing these spikes, the PLBF therefore can increase the working speed of circular braiding machines and improve the uniformity of braided filaments generated by such machines at a given speed. In the preferred embodiment, the PLBF comprises: a slip ring designed to provide power to the lower bobbins; a variable speed powered lower bobbin concept; a feedback control system for the bobbins to assure bobbin feed matches braid consumption; and an improved, more contoured, deflector surface to minimize feed tension spikes. The new contour can be created: by retrofitting existing deflectors with a spline; or, by making new deflectors that incorporate the overall contour of a retrofitted deflector.
Owner:STOLBERGER

Device and method for continuous block metal glass shaping

InactiveCN101543885ASolve the vacuum problemIncrease cooling intensityMetallic materialsPressure difference
The invention relates to a device and method for continuous block metal glass shaping, belonging to the technical field of metal material preparation. A heat insulating ring is arranged between a graphite casting mould and a water cooling copper mould which are arranged in a first vacuum chamber, an air cooler is arranged in a second vacuum chamber, and a traction rod enters the graphite casting mould and horizontally moves by a traction device. The method uses the graphite casting mould and the water cooling copper mould for primary main cooling and the air cooling mode for secondary auxiliary cooling, and the two vacuum chambers have a certain air-pressure difference. The device and the method have a high cooling speed, satisfy the requirements of the amorphous phase change of the block metal glass material. The shaping pressure of a metal melting body can be easily controlled, and the good shaping performance of the metal melting body is ensured by adjusting the pressure in the vacuum chambers. The metal passes through the graphite casting mould in a liquid state and is solidified in the water cooling copper mould, and the casting graphite casting mould has long service. The composite casting mould and the traction device have exchangeability to be convenient for realizing the continuous shaping of rod wires, boards, pipes and abnormal-shaped materials of different section sizes.
Owner:江苏苏州洲盛非晶科技有限公司
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