| 摘要 |
PCT No. PCT/GB94/01446 Sec. 371 Date Apr. 3, 1996 Sec. 102(e) Date Apr. 3, 1996 PCT Filed Jul. 4, 1994 PCT Pub. No. WO95/01752 PCT Pub. Date Jan. 19, 1995Angioplasty apparatus comprises a hand-held unit which reciprocates a wire within a catheter. It is found that, by using a highly flexible wire and a reciprocation frequency of 50-1000 Hz a diffuse vibration is caused at the distal end of the wire which enables the wire to pass relatively easily through difficult blockages. |
