Novel uterine cavity expander
A dilator and uterine cavity technology, applied in the field of uterine expansion device and gynecological surgical instruments, can solve the problems of inability to suction out the target gestational sac tissue, inability to apply abortion, affecting surgical observation and operation, etc., and achieves simple structure and reliable performance. , the effect of convenient disinfection
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[0018] The present invention will be further explained below in conjunction with the drawings.
[0019] As attached figure 1 As shown, a new type of uterine cavity dilator includes several dilation wires 2, an inner tube 3, an outer sheath 4, and a tee 5. The dilation wire 2 is a closed ring composed of a material with a shape memory function, such as Nitinol wire. A number of expansion wires 2 are evenly arranged at the end of the inner tube 3 in a radial shape along the circumferential direction. By moving the outer sheath 4, the expansion wire 2 can be contracted in the outer sheath 4, or extended out of the outer sheath 4, and expanded into a shape suitable for the uterine cavity. Due to its own shape and material properties, the expansion wire 2 has extremely high flexibility, and the contour shape of the uterine cavity formed when the expansion wire 2 is expanded and formed well conforms to the uterine cavity and greatly reduces the stimulation to the uterine cavity. And ...
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