Catheter/filament style device and methods for treatment of wounds beneath the surface of the skin
View Patent ↗A reduced pressure treatment system includes a filament delivery conduit having a distal end positioned at a subcutaneous tissue site of a patient and a proximal end positioned extracorporeal to the patient. A continuous filament is positioned in the filament delivery conduit such that one end of the continuous filament extends from the proximal end of the filament delivery conduit and another end of the continuous filament extends from the distal end of the filament delivery conduit. The continuous filament forms a filament mass adjacent the tissue site. A reduced pressure delivery conduit is adapted to fluidly communicate with a reduced pressure source and the filaments mass to deliver a reduced pressure to the tissue site through the filament mass.
1. A reduced pressure treatment system comprising:
a filament delivery conduit having a distal end positioned at a subcutaneous tissue site of a patient and a proximal end positioned extracorporeal to the patient;
a continuous filament positioned in the filament delivery conduit such that one end of the continuous filament extends from the proximal end of the filament delivery conduit and another end of the continuous filament extends from the distal end of the filament delivery conduit, the continuous filament forming a filament mass adjacent the subcutaneous tissue site; and
a reduced pressure delivery conduit adapted to fluidly communicate with a reduced pressure source and the filament mass, the reduced pressure delivery conduit positioned percutaneously to deliver a reduced pressure to the subcutaneous tissue site through the filament mass.
2. The reduced pressure treatment system of claim 1 further comprising:
a guide wire having an end positionable at the subcutaneous tissue site;
wherein the filament delivery conduit is a lumen of a catheter; and
wherein the catheter is advanced to the subcutaneous tissue site over the guide wire.
3. The reduced pressure treatment system of claim 1 further comprising:
a guide wire having an end positionable at the subcutaneous tissue site;
a sheath and dilator capable of being advanced over the guide wire to the subcutaneous tissue site;
wherein the filament delivery conduit is a lumen of a catheter; and
wherein the catheter is advanced to the subcutaneous tissue site through the sheath following removal of the guide wire and the dilator.
4. The reduced pressure treatment system of claim 3 further comprising:
a needle capable of being advanced to the subcutaneous tissue site prior to positioning of the guide wire, the guide wire being delivered to the subcutaneous tissue site through a lumen of the needle.
5. The reduced pressure treatment system of claim 1 , wherein the reduced pressure delivery conduit is the filament delivery conduit.
6. The reduced pressure treatment system of claim 1 , wherein the filament delivery conduit is a first lumen of a catheter and the reduced pressure delivery conduit is a second lumen of the catheter.
7. The reduced pressure treatment system of claim 1 , wherein filament delivery conduit and the reduced pressure delivery conduit are separate catheters.
8. The reduced pressure treatment system of claim 1 , wherein the filament is a monofilament.
9. The reduced pressure treatment system of claim 1 , wherein the filament is a plurality of braided fibers.
10. The reduced pressure treatment system of claim 1 , wherein the filament mass is positioned in a void adjacent the subcutaneous tissue site.
11. The reduced pressure treatment system of claim 1 , wherein the filament is capable of being removed from the subcutaneous tissue site by pulling on the end of the filament extending from the proximal end of the filament delivery conduit.
12. A reduced pressure treatment system comprising:
a catheter having a distal end adapted to be positioned at a subcutaneous tissue site;
a bioabsorbable filament positioned in a lumen of the catheter and deliverable to the tissue site through the lumen of the catheter such that a filament mass is formed at the subcutaneous tissue site by the bioabsorbable filament; and
a reduced pressure delivery conduit adapted to fluidly communicate with a reduced pressure source and the filament mass, the reduced pressure delivery conduit positioned percutaneously to deliver a reduced pressure to the subcutaneous tissue site through the filament mass.
13. The reduced pressure treatment system of claim 12 , wherein a durometer of the catheter is between the range of 80 Shore A and 65 Shore D.
14. The reduced pressure treatment system of claim 12 , wherein the catheter is reinforced and a durometer of the catheter is between 30 and 70 Shore A.
15. The reduced pressure treatment system of claim 12 further comprising:
a guide wire having an end positionable at the subcutaneous tissue site; and
wherein the catheter is advanced to the subcutaneous tissue site over the guide wire.
16. The reduced pressure treatment system of claim 12 further comprising:
a guide wire having an end positionable at the subcutaneous tissue site;
a sheath and dilator capable of being advanced over the guide wire to the subcutaneous tissue site; and
wherein the catheter is advanced to the subcutaneous tissue site through the sheath following removal of the guide wire and the dilator.
17. The reduced pressure treatment system of claim 16 further comprising:
a needle capable of being advanced to the subcutaneous tissue site prior to positioning of the guide wire, the guide wire being delivered to the subcutaneous tissue site through a lumen of the needle.
18. The reduced pressure treatment system of claim 12 , wherein the lumen of the catheter serves as the reduced pressure delivery conduit.
19. The reduced pressure treatment system of claim 12 , wherein the reduced pressure delivery conduit is a second lumen of the catheter.
20. The reduced pressure treatment system of claim 12 , wherein the reduced pressure delivery conduit is a second catheter capable of being positioned at the tissue site.
21. The reduced pressure treatment system of claim 12 , wherein the filament is a monofilament.
22. The reduced pressure treatment system of claim 12 , wherein the filament is continuous.
23. The reduced pressure treatment system of claim 12 , wherein the filament remains at the subcutaneous tissue site following cessation of reduced pressure treatment.
24. The reduced pressure treatment system of claim 12 , wherein the filament mass is positioned in a void adjacent the tissue site.