Foldable anastomat anvil base
A stapler and foldable technology, applied in the field of stapler anvils, can solve the problems of patients’ esophagus injury, difficulty in placing stapler anvils, etc., and achieve the effect of reducing the difficulty of surgery and improving the efficiency of surgery
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[0049] see Figure 1-7 , a foldable stapler anvil, comprising an anvil bar 1 and a pair of semicircular anvils 3 that can be assembled into a complete circle, and one end of the pair of semicircular anvils 3 close to the anvil bar 1 is fixedly connected with a connecting piece 31, the anvil assembly 2 is connected between the anvil rod 1 and the connecting piece 31, the anvil assembly 2 includes a first assembly 21 and a second assembly 22 fixedly connected, and the first assembly 21 controls the anvil rod 1 and the semicircular nail The anvils 3 are vertically distributed, and the second component 22 controls a pair of semicircular nail anvils 3 to expand to the two outer sides to contact with the side wall of the nail anvil rod 1, so that the cross section of the pair of semicircular nail anvils 3 is reduced;
[0050] The second assembly 22 includes an expansion recovery mechanism and a center point limiting mechanism 22g. The expansion recovery mechanism controls a pair of ...
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