Carvalho, R

Gentil, R

Gomes, N

Leite, R

Mendonça, L

Sousa, K

Vaz, F

English

Institutional repository of Hospital de Braga

Developing	  an	  Acessory	  Light	  Source	  for	  Pars	  Plana	  Vitrectomy:	  The	  Technique	  Keissy	  Sousa1,	  Rui	  Carvalho2,	  Luís	  Mendonça1,	  Rita	  Gen<l1,	  Ricardo	  Leite1,	  Fernando	  Vaz1,	  Nuno	  Gomes1	  1	  Hospital	  de	  Braga,	  Portugal	  2	  Hospital	  Pedro	  Hispano,	  Unidade	  Local	  de	  Saúde	  de	  Matosinhos;	  Portugal	  September	  2014	  Chandelier	  •  A	   variety	   of	   accessory	   ligh<ng	   systems	   have	   been	   developed	   to	  provide	   sta=onary,	  wide-­‐angle	   and	   uniform	   endoillumina=on	   for	  obtaining	  adequate	  visualiza<on	  of	  the	  re<na	  during	  surgery.	  •  Available	   as	   a	   single-­‐fiber	   system	   -­‐	   25	   and	  27G	  or	   independent	  2-­‐fiber	  systems	  -­‐	  27	  and	  29G.	  •  True	  bimanual	  performance	  Hirokazu	  Sakaguchi,Yusuke	  Oshima.	  Re=nal	  Physician,	  2012.	  Pros	  /	  Cons	  Bimanual	  Technique;	  	  Safety?	  Cost;	  Lack	  of	  Availability;	  	  Light	  Toxicity?	  Material	  and	  Methods	  •  An	   accessory	   light	   source	   was	   developed	   using	   a	   light	   pipe	   and	   an	  infusion	   line	   from	   two	   different	   manufacturing	   companies	   (Alcon®	  and	  Bausch	  &	  Lomb®).	  •  For	  the	  Alcon®	  Accurus	  system	  we	  manufactured	  a	  new	  light	  source	  using	  a	  23G	  light	  pipe	  and	  a	  23G	  infusion	  cannula.	  	  •  For	  the	  B&L®	  plaSorm	  we	  used	  a	  25G	  widefield	  op=c	  fiber	  and	  a	  23G	  infusion	  line.	  	  •  Both	  light	  sources	  can	  be	  used	  with	  a	  trocar	  system.	  	  	  The	  authors	  have	  no	  financial	  interest	  in	  any	  of	  the	  materials	  discussed.	  	  Stellaris	  PC	  pla`orm	  (B&L®)	  	  1.  23G	  infusion	  line	  and	  a	  25G	  widefield	  light	  pipe.	  2.   Separate	   the	   white	   plas<c	   cover	   from	   the	   light	   fiber	  contained	  in	  it.	  3.   Cut	  the	  infusion	  cannula.	  4.   Pass	   the	   op<c	   fiber	   through	   the	   distal	   end	   of	   the	  infusion	  cannula.	  5.  Insert	  it	  into	  the	  trocar.	  23G	  Alcon	  MIVS®	  System	  	  1. Separate	  the	  plas<c	  cover	  of	  the	  light	  pipe	  exposing	  the	  op<c	  fiber	  inside. 2. The	  metallic	  por<on	  of	  the	  op<c	  fiber	  and	  the	  infusion	  cannula	  are	  cut	  using	  a	  surgical	  scissor.	   3. The	  op<c	  fiber	  is	  then	  passed	  through	  the	  end	   f	  the	  infusion	  cannula. The	  remaining	  silicone	  por< n	  of	  the	  infusion	  cannula	  wraps	  the	  light	  fiber	  on	  a	  bulge	  that	  exist 	  in	  the	  middle	  of	  the	  exposed	  por<on	  –	  stabiliza<on. 4.	  The	  op<c	  fiber	  is	  cut	  at	  the	  desired	  length	  close	  to	  the	  metallic	  <p	  of	  the	  infusion	  cannula.	   Endoillumina<on	  Efficacy	  Follow-­‐up	  •  More	  than	  12	  months	  of	  follow-­‐up.	  •  No	  complica<ons	  related	  to	  material	  manipula<on:	  ü  	  stripping	  of	  the	  fiber	  surface	  ü  entrance	  of	  contaminants	  into	  the	  eye	  	  ü  inflamma<on	  	  ü  Infec<on	  	  ü  light	  toxicity	  Developing	  an	  Acessory	  Light	  Source	  for	  Pars	  Plana	  Vitrectomy:	  The	  Technique	  Keissy	  Sousa1,	  Rui	  Carvalho2,	  Luís	  Mendonça1,	  MD2,	  Rita	  Gen<l1,	  Ricardo	  Leite1,	  Fernando	  Vaz1,	  Nuno	  Gomes1	  	  	  	  1	  Hospital	  de	  Braga,	  Portugal	  2	  Hospital	  Pedro	  Hispano,	  Unidade	  Local	  de	  Saúde	  de	  Matosinhos;	  Portugal	  

Developing an Acessory Light Source for Pars Plana Vitrectomy: The Technique

http://repositorio.hospitaldebraga.pt/bitstream/10400.23/809/1/chandelier%20evrs.pdf

Developing an Acessory Light Source for Pars Plana Vitrectomy: The Technique

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