| 摘要 |
PCT No. PCT/CH88/00217 Sec. 371 Date Jul. 21, 1989 Sec. 102(e) Date Jul. 21, 1989 PCT Filed Nov. 17, 1988 PCT Pub. No. WO89/05131 PCT Pub. Date Jun. 15, 1989.A retractor of human or animal tissue comprises two arms with a spoon at one end, the other end being connected to a housing. The housing contains a spring which produces a force which spreads the two arms apart. The foot is connected to the housing by means of the spindle and a ball-joint. The lower face of the foot has a double-face adhesive.
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