| 摘要 |
Device for thromboembolectomy and extraction of calculi, made up of: a double-channel tube, one channel being longer and of smaller diameter, having a steel tube, inserted as far as the start of the channel of greater diameter, and two cables, emerging from one end in the form of a loop with a spring and joined at the other by means of control; a bag of impermeable film stretched between the mouth of the channel of greater diameter and the loop, which closes or opens the entrance thereof; openings in the wall of the channel of greater diameter above the bag, which are closed when there is movement of the tube, inserted at the opposite end to that of the bag and having there a haemostatic valve and a three-way switch; a crusher made up of elastic threads, forming a basket, which are connected to a cable passing through a tube and both connected to a motor.
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