Ureter sheath
A technology of ureter and sheath, applied in the field of ureter sheath, can solve the problems of unclear surgical field, affecting surgical operation, and inability of fluid to be discharged smoothly through the sheath, etc., and achieve the effect of clear surgical field.
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[0018] Such as Figure 1-10 As shown, the ureteral sheath includes a flexible mirror sheath 1 and a sheath core 2. The flexible mirror sheath 1 includes a sheath main body 101 and a guide head 102 arranged at the front end of the sheath main body 101. The outer sheath main body 101 is a tubular member The diameter of the outer sheath body 101 of the flexible scope outer sheath 1 can be the same as that of the existing flexible scope sheath, and can be matched with the flexible ureteroscope, and the same material can be used. The guide head 102 is tapered with a small front and a large rear Tubular, with the tip facing forward, the diameter of the rear end is preferably smaller than the diameter of the outer sheath body 101, and a section of the tube wall at the front end of the outer sheath body 101 (preferably at a suitable angle of inclination) extends to form a connecting portion 103 connected with the guide head 102 Integral, while openings are formed on the sides. The ma...
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