System, device and method combining bioabsorbable foam with vacuum technology for neoplastic cysts

A catheter system comprising:

• a catheter having a proximal end, a distal end, and a catheter lumen extending from the proximal end to the distal end;
• a sheath disposed about the distal end of the catheter, the sheath comprising a distal tip of that extends distally beyond the distal end of the catheter to form a chamber distally of the distal end of the catheter;
• an absorbent material having a compressed configuration sized to fit within the chamber of the sheath and an expanded configuration larger than the compressed configuration, the absorbent material comprising a radiolucent material, an echogenic material, a drug eluting material, a bioabsorbable material, or a combination thereof;
• a handle coupled to the sheath and including a release mechanism shaped and configured to release the absorbent material from the chamber;
• and
• a vacuum passage disposed for application of a proximal suction force through the catheter lumen.

A cyst management method comprising:

• advancing a catheter through a body lumen into a cyst, the catheter having a proximal end, a distal end, and a catheter lumen extending therethrough, the catheter including an elongate body disposed within a sheath, the sheath extending distally from the distal end of the catheter to form a chamber having an absorbent material stored therein;
• releasing the absorbent material from the chamber of the sheath into the cyst;
• applying a proximal suction force through the catheter lumen to reduce the cyst and to compress the absorbent material within the cyst;
• and
• removing the catheter from the cyst and the body lumen.