| 摘要 |
PCT No. PCT/DE89/00295 Sec. 371 Date Mar. 4, 1991 Sec. 102(e) Date Mar. 4, 1991 PCT Filed May 11, 1989.There has been provided a catheter system which can be percutaneously implanted through a skin opening and which can be inserted for example by being pushed along a guide wire. An embodiment provides an infusion chamber which can be changed between a condition of reduced cross-section, upon being inserted, and a position of use which is expanded in relation thereto, in the implanted condition, and which is provided with expandable means which after expansion remain in the expanded condition, for shape retention purposes. The expansion means may be for example a balloon catheter which can be removed after the expansion operation. Another embodiment makes use of an infusion chamber which is of a stiff configuration.
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