1. NEOVEIL :
PGA Reinforcement Felt
BIO DISTRIBUTION
Staff Training UZ Leuven, March 23

2.  Bioabsorbable reinforcement material :
Polyglycolic Acid ( PGA )
 Soft non woven fabric with elasticity :
specific fabrication process
 Excellent biocompatibility : PGA used as
suture material
Material characteristics
Staff Training UZ Leuven, March 23

3. SHEET Type TUBE Type
Material types
Staff Training UZ Leuven, March 23

4.  Mechanism :
1. Strength decreased by hydrolysis
2. Absorption
3. Metabolization
 Complete absorption : 15 weeks
Absorption process
Staff Training UZ Leuven, March 23

5. Tensile strength in saline water at 37°
Absorption process
Staff Training UZ Leuven, March 23
Immersion
date
Retention of
strength
10 days 50 %
20 days 20 %
30 days 0 ％
Time of immersion ( weeks )
Retentionofstrength(%)

6. Appearance
Absorption process
Staff Training UZ Leuven, March 23
Initially After 4 weeks After 12 weeks

7.  Prevention of air leakage ( bullae )
 Reduction of pneumothorax
 Reinforcement of weak organs ( bronchi,
lungs )
Indications
Staff Training UZ Leuven, March 23

8.  One piece method
 Patchwork method
Instructions for Use : Sheet
Staff Training UZ Leuven, March 23

9.  Spread the sheet across a wide area
inside the thorax using forceps
 Gently apply on semi-inflated lung
 Continue 2 – 3 minutes until completion
One piece method
Staff Training UZ Leuven, March 23

10. Patchwork method

11. Instructions for use : Tube
Staff Training UZ Leuven, March 23
Mount the larger size of the
product to the cartridge side
of stapler and the smaller
size to the anvil side
Hold the regions for
stapling operation properly
with the stapler
Execute normal operation
(fire, cut) of the stapler

12. Instructions for use : Tube
Staff Training UZ Leuven, March 23
Pull out the tacking threads
followed by separation of
PGA felt and elastic knit,
and gently remove the
stapler
Cut apart the end of the felt
by scissors or the like, if
necessary

13. The covering with forceps-assisted polymeric biodegradable
sheet and endostapling method: a simplified technique for
wide coverage and reinforcement of staple-line in video-
assisted thoracoscopic bullectomy for spontaneous
pneumothorax
T. Saito, H. Kaneda, T. Konobu and Y. Saito
Interactive CardioVascular and Thoracic Surgery. 2011; 12:
103–105
Scientific publications
Staff Training UZ Leuven, March 23

14. An Evaluation of the Surgical Morbidity of Polyglycolic
Acid Felt in Pulmonary Resections
T. Nakamura, K. Suzuki, T. Mochizuki, Y. Ohde, H. Kobayashi
and F. Toyoda
Surg Today. 2010; 40:734–737
Scientific publications
Staff Training UZ Leuven, March 23

15. Thank you !