A trocar knife for cystic solid mass puncture biopsy
A needle biopsy and cystic-solid technique, which is applied in the field of medical devices, can solve the problem that interstitial fluid cannot be diagnosed pathologically, and achieve the effect of minimal trauma
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[0023] The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.
[0024] see figure 1 A trocar knife for puncture biopsy of a cystic-solid mass is composed of two parts: an outer sheath 1 of a puncture biopsy needle and an inner core trocar knife 2 .
[0025] see figure 2 and image 3 The outer sheath 1 of the biopsy needle is composed of three parts: the outer sheath slot needle seat 11, the outer sheath hollow needle shaft 12 and the outer sheath side pinhole terminal 13, which are sequentially connected in a straight line.
[0026] see Figure 4 and Figure 5 , the inner core trocar knife 2 is composed of three parts: the inner core buckle needle seat 21, the inner core hollow needle bar 22 and the inner core cut away needle knife end 23, which are sequentially connected in a straight line.
[0027] In the present invention, the outer sheath 1 of the puncture biopsy needle and the inner core trocar knife...
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