Handheld animal and plant tissue ablation instrument based on ultrasonic principle

Abstract

The invention discloses a handheld animal and plant tissue ablation instrument based on an ultrasonic principle. The instrument comprises a shell and an ultrasonic vibrator, wherein the shell is internally provided with a control panel and a driving board, and the ultrasonic vibrator is fixedly connected to the front end of the shell; the ultrasonic vibrator comprises an ultrasonic transducer andan amplitude transformer which is fixedly connected to the front end of the ultrasonic transducer and transmits vibration input by the ultrasonic transducer after the amplitude of the vibration is changed; the control panel is provided with a power supply, a DCDC conversion unit, a main control unit, a DCDC power adjusting unit and a sampling unit; the driving board is provided with a driving unit, a voltage transformation unit and a resonance unit. The handheld shell comprises a first section and a second section between which an obtuse angle is formed, and the end, away from the second section, of the first section is the front end of the shell. According to the handheld animal and plant tissue ablation instrument, a low-hertz ultrasonic method is utilized to achieve the purpose of rapidly and simply ablating tissue blocks into cell suspensions, and therefore subsequent extraction of tissue RNA and DNA or protein is facilitated. The instrument has the advantages of being convenient to hold, install, maintain and dismantle, firm, great in effect and long in service life.

Description

technical field [0001] The invention belongs to the technical field of RNA, DNA or protein extraction, in particular to a handheld animal and plant tissue ablation instrument based on the principle of ultrasound. Background technique [0002] The ultrasonic vibrator is also called the ultrasonic vibrator. The ultrasonic vibrator realizes the mutual conversion of electrical energy and mechanical energy (sonic vibration) by the piezoelectric effect of piezoelectric ceramics, and is amplified by the front and rear radiation blocks with matching acoustic impedance. The ultrasonic vibrator is an ultrasonic vibration system composed of an ultrasonic transducer and an ultrasonic horn. The ultrasonic transducer is a device that can convert high-frequency electrical energy into mechanical energy. The ultrasonic horn is a passive device that does not generate vibration itself. It just changes the amplitude of the vibration input by the ultrasonic transducer and then transmits it. Imp...

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Problems solved by technology

[0003] Common applications of ultrasonic vibrators are: ultrasonic cleaners, ultrasonic nebulizers, B-ultrasound probes, etc., but the existing ultrasonic vibrators have the problems of inconvenient structural installation and inconvenient hand-holding of the finished product structure after installation.

[0004] From the above content, it is known that there is no relevant ultrasonic vibrator application in the existing methods for rapid extraction of RNA, DNA or protein from tissues. Aiming at the rapid extraction of RNA, DNA or protein from tissues, a tissue fragmentation product produced by Thermo Company of the United States The principle of the machine: use the irregular high-speed motion of the magnetic beads in the electromagnetic field to grind the tissue into a tissue homogenate, but the machine is expensive and can only homogenize the tissue into smaller tissue clumps; the US PR0*PR0200 handheld, desktop two With the homogenizer and Bioprep-24 biological sample homogenizer high-throughput biological sample homogenization instrument, there are also expensive machines, and the tissue can only be homogenized into smaller tissue clumps

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