| 摘要 |
<p>An implantable access device (1) suitable for delivering a liquid medication to a site remote from the site of device implantation is disclosed, which contains a filter assembly (20) for removing particulate material from fluid injected into the device. The filter assembly of the invention contains a first reservoir chamber (30) having cutouts, recesses, and/or sharp corners in which particulate material may be trapped, and additionally having a first wall (25) forming a filter barrier capable of 360° of fluid flow therethrough. The implantable access device may also include an infusion pump apparatus (110) coupled to the access device. A filter assembly (20) for insertion into an implantable treatment material device (1) is also described.</p> |
