Endoscopic ultrasound-guided biopsy needle
A technique of biopsy and tissue sampling, applied in trocar, medical science, inoculation and ovulation diagnosis, etc.
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[0014] As used herein, the term "proximal" means the handle end of the device that is held by the user, while the term "distal" means the opposite end. The term "surgical imaging device" means an endoscope that includes CCD, ultrasound, fiber optic and CMOS devices, as well as other devices used to visualize internal parts of a patient's body, such as a laparoscope or bronchoscope.
[0015] The reference shows the tissue sampling needle device 100 Figures 1A-1D One embodiment of a tissue sampling needle device will be described. Such as Figure 1A As shown in a side plan view of , the device includes a proximal handle or hub 102 from which an elongated tubular sleeve 104 extends distally. Cannula 104 includes a cannula wall 106 that defines a cannula lumen 108 . The distal end 110 of the cannula 104 is beveled so as to include a long side 110a that is substantially parallel to the central longitudinal axis of the cannula 104 and extends to its most distal tip end. The shor...
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