Self contained illuminated infusion cannula systems and methods and devices

Abstract

A cannula is described having a housing, a first lumen, a second lumen, and a port capable of fluid communication with the first lumen. The second lumen configured to receive fluid from the first lumen and to direct the fluid to a surgical site. A light emitting diode light source is positionable within the housing and configured to direct light through the second lumen to the surgical site.

1 . A cannula system comprising:
 a body;   a light source contained within the body;   an infusion port formed in the body for receiving fluids to be delivered to a surgical site; and   a cannula formed with the body and having a lumen for delivering the fluids received through the infusion port and for transmitting light from the light source.   
     
     
         2 . The system of  claim 1 , further comprising a lens held within the body between the light source and the cannula. 
     
     
         3 . The system of  claim 2 , further including at least one length of fiber optic coupled to the lens and extending at least partially through the cannula. 
     
     
         4 . The system of  claim 1 , further including a power source contained within the body for powering the light source. 
     
     
         5 . The system of  claim 1 , further including a power source connected to and remote from the light source. 
     
     
         6 . The system of  claim 1 , wherein the light source is movable relative to the body for allowing a trocar to be inserted through the cannula to create an incision through which the cannula is inserted. 
     
     
         7 . The system of  claim 6 , further including a light source-containing portion that is removable relative to the body. 
     
     
         8 . The system of  claim 6 , the body comprising a cap, wherein the light source is contained in the cap. 
     
     
         9 . The system of  claim 1 , wherein the cannula is transparent. 
     
     
         10 . The system of  claim 1 , wherein the light source comprises at least one of a light emitting diode (LED), an organic light emitting diode (OLED), a light bulb, and a lamp. 
     
     
         11 . A cannula system comprising:
 a housing element having a lumen and a port configured to provide a flow of fluid to the lumen; and   a light emitting diode light source positionable within the housing element, the light emitting diode light source configured to direct light through the lumen when disposed within the housing element;   wherein the lumen is transparent and configured to permit light to pass through the lumen from the light emitting diode light source to a surgical site, lumen also configured to direct fluid to the surgical site.   
     
     
         12 . The cannula system of  claim 11 , further comprising a trocar, the lumen sized to allow the trocar to pass through the lumen. 
     
     
         13 . The cannula system of  claim 11 , wherein the transparent lumen having a length capable of extending from the outer surface of the eye into the interior of the eye, the length being less than one-half of the diameter of the eye. 
     
     
         14 . The cannula system of  claim 11 , further comprising a lens to direct light through the lumen. 
     
     
         15 . The cannula system of  claim 14 , wherein the lens comprises a plurality of circumferential optical prism elements spaced along the length of the lumen. 
     
     
         16 . The cannula system of  claim 11 , further comprising a power source for the light emitting diode light source. 
     
     
         17 . The cannula system of  claim 16 , wherein the power source comprises at least one battery within the housing element. 
     
     
         18 . The cannula system of  claim 11 , further comprising a phosphorescence material applied to the lumen, wherein light is dispersed from the lumen through the phosphorescence material. 
     
     
         19 . A cannula system comprising:
 a body having a proximal portion and a distal portion, a first lumen extending between the proximal portion and the distal portion, a port coupled to a second lumen, the second lumen communicating with the first lumen, and a first aperture extending to the first lumen at the proximal portion;   an insert element comprising a light source positionable within the first aperture to permit light from the light source to pass through the first lumen;   an elongate transparent member having a first portion and a second portion, a third lumen extending through the elongate member from the first portion to the second portion, the first portion coupled to the distal portion of the first lumen, the transparent member third lumen configured to permit light to pass from the light source to a surgical site, the transparent member third lumen capable of fluid communication with the port, the first lumen, and the second lumen.   
     
     
         20 . The cannula system of  claim 19 , wherein the light source is a light emitting diode light source. 
     
     
         21 . The cannula system of  claim 19 , further comprising a resilient member coupled to the insert and the body. 
     
     
         22 . The cannula system of  claim 21 , wherein the resilient member is configured to allow the insert to slide laterally within the body when an instrument is positioned within the first lumen. 
     
     
         23 . The cannula system of  claim 21 , wherein the resilient member is configured to allow the insert to pivot within the first lumen when an instrument is positioned within the first lumen. 
     
     
         24 . The cannula system of  claim 19 , wherein the elongate transparent member is configured to disperse light in a selective angular distribution pattern. 
     
     
         25 . The cannula system of  claim 19 , wherein the insert is positioned such that the light source is substantially downstream of the second lumen. 
     
     
         26 . The cannula system of  claim 20 , wherein the light emitting diode light source is substantially encapsulated in a transparent body, the light source directed through the transparent body into the elongate transparent member. 
     
     
         27 . The cannula system of  claim 19 , wherein the insert is removably located adjacent the first aperture to provide access to the first lumen by a surgical instrument. 
     
     
         28 . The cannula system of  claim 19 , wherein the insert is lockingly engaged adjacent the first aperture, the locking engagement providing a fluid sealing engagement between the insert and the body.