Fluidic endoscope tip locator
OwnerJames K. Brannoninventor
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Abstract
The present invention provides an improved tip position determining assembly for visually and fluidically determining the entry of an instrument tip into an internal surgical site, the assembly comprising an endoscopic portal having a chamber housing a membrane having a plurality of slit openings associated with a slit for sealingly receiving a trephine and an irrigant and vacuum source connectably secured to said assembly for observing an instrument tip entering a surgical site.
Claims20
A tip position determining assembly for fluidically determining the entry of an instrument tip into an internal surgical site, the assembly comprising:
- an endoscopic portal having a proximately positioned chamber having a membrane sealingly positioned therein;
- said chamber having a rear port rearwardly extending therefrom and an elongated portal cannula extending forwardly from said chamber towards a portal tip, the rear port and the portal cannula being axially aligned;
- a trephine extending from a trephine body towards an elongated trephine cannula;
- an endoscopic side port extending radially from said chamber and in communication therewith on a distal side of the membrane, said membrane having at least one slit formed for passage of said trephine therethrough;
- a plurality of slit openings associated with said slit for fluidic communication of said rear port with said chamber;
- and
- an irrigant source connectably secured to said trephine body and a vacuum source connectably secured to said endoscopic portal whereby said irrigant is observed passing through said member along said trephine cannula and into said portal tip as said instrument tip enters said surgical site.
An improved tip position determining assembly for determining the entry of an instrument tip into an internal surgical site, the assembly comprising:
- a transparent endoscopic portal having a proximately positioned chamber having a membrane sealingly positioned therein;
- said chamber having a rear port rearwardly extending therefrom and an elongated portal cannula extending forwardly from said chamber towards a portal tip, the rear port and the portal cannula being axially aligned;
- a trephine extending from a trephine body towards an elongated trephine cannula;
- said elongated trephine cannula extending from a distal end of said trephine body towards a trephine cannula tip;
- an endoscopic side port extending radially from said chamber and in communication therewith on a distal side of the membrane, said membrane having at least one slit formed for passage of said trephine therethrough;
- a plurality of slit openings associated with said slit for fluidic communication of said rear port with said chamber;
- and
- a visual instrument received by said trephine and sealingly secured by said slit as said visual instrument travels along said elongated trephine cannula providing images of a visual horizon associated with an exterior surface of said endoscopic portal.
Dependencies are inferred from the claim text.