The interchange of the optical fiber guide light needle and the needle core of a retainable needle are not needed when in use, and the blood efflux because of inexperienced operation can be avoided.

使用时无需进行光纤导光针与置留针针芯的互换，可避免因操作不熟练造成的血液外流。

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The Angle of rotation, which provides a measure of the current flowing in the coil, is measured by the movement of the needle or by the deflection of a Beam of light reflected from the mirror.

旋转角度可用来度量线圈内通过的电流，角度用指针的转动或镜面反射光线的偏转来测定。

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A biopsy device having a handpiece, an elongated hollow needle with a lateral tissue receiving port, and an apparatus for providing a guide path, such as a light apparatus, is described.

描述了一种活检装置，所述活检装置具有手持件、带侧向组织接纳端口的细长中空针和用于提供引导路径的设备，例如光设备。

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A special needle is inserted directly into the tumor and light energy is passed through a laser.

VOA: special.2010.11.23

When a pulse of light is sent into the tumor using fiber optic cable that is threaded into a tumor using a biopsy needle, the molecule absorbs the light energy, converts it electrical energy that then causes tumor cells to self destruct.

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Highly polished beveled edges reflect light in two directions for better legibility and emphasize needle-sharp tips, lending an air of Germanic precision.

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Gout is most easily and commonly diagnosed by placing a needle into the inflamed joint and withdrawing fluid that is examined under a polarized light microscope.

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