| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an inexpensive long-term sustained release medicine epidural placement system with a simple configuration, which prevents fall of ADL and a risk of infection to be caused by frequent epidural puncture or catheter placement and is minimally invasive and excellent in biocompatibility and safety. <P>SOLUTION: This long-term sustained release medicine epidural placement system 1 for placing a long-term sustained release medicine 40 in an epidural cavity 33 in epidural anesthesia or epidural block includes: at least string-like catheter type placement members 20 and 20A-20C which are formed of a medically compatible biodegradable material and carry a long-term sustained release medicine inside releasably in a sustained manner; and an injection means 10 which includes an epidural needle comprising a needle assembly having an inner needle 16 inserted in an outer needle 15, or a CV port. The string-like catheter type placement members are held in the outer needle of the injection means and are extruded into and placed in the epidural cavity, from the outer needle pierced from the back of a patient and inserted into the epidural cavity. <P>COPYRIGHT: (C)2012,JPO&INPIT |
