Release date: 2014-06-18
British media reported that British patients were first implanted with a tablet-sized wireless pacemaker.
The surgery is seen as a milestone that revolutionizes the treatment of heart rate disease while reducing the risk of traditional pacemakers.
The new pacemaker is one-tenth the size of current pacemakers and is the smallest of the current pacemakers implanted by catheters.
Since the device is self-contained, it does not require the implantation of a wire that is required for a normal pacemaker into the heart, and a thoracotomy is often required after a wired pacemaker is damaged.
At the same time, the surgical procedures used to implant new devices are minimally harmful, reducing the risk of potentially fatal infections and allowing patients to recover quickly.
Although the wired pacemaker is getting smaller, it requires a 2 inch incision to be implanted. At the same time, the pacemaker needs to be connected to the heart by wire, but the wire may need to be pulled out in advance. The incidence of the event is one percent, which means that the patient has to undergo a second operation.
In contrast, the new device, called the Micra Transforming Catheter Rhythm System, is small in size and can be implanted by a femoral vein catheter. At the same time, the device does not need to be connected to the heart.
The surgeon said that the most significant innovation in the device is wireless pacing, minimizing damage and reducing complications.
Source: Kexun Medical Network
Freeze-drying powder process includes: fresh fruit selection - cleaning - cutting - blanching - cooling - drying - grinding beating - gel grinding - sterilization - pre-freezing - vacuum freeze-drying - ultra-fine grinding - weighing packaging - testing - finished product.
Firstly, fresh and mature fruits with good quality were selected in the pre-treatment area of the food lyophilizer, and the leaves were removed to remove impurities. Then, preliminary cleaning and simultaneous sterilization of fruit surface were carried out. After sterilization, the fruits were cleaned and drained again. After the drain, the fruit is sliced and treated by blanching process. After the color preservation, the fruit is treated by pulping, and then pasteurized. The pretreatment process is finished before lyophilization.
The processing core of freeze-drying powder is the equipment area of food freeze-drying machine. After pre-treatment, the fruit enters the equipment of food freeze-drying machine and crystallizes into a solid state at low temperature, and then sublimates and dries in a vacuum environment to obtain freeze-drying products with little water content. Freeze-dried products out of the warehouse into the food freeze-dried post-processing area, ultrafine grinding, and then according to the need to do weighing packaging, after testing the finished products packed into storage.
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