Sterile tissue access system

Details Sterile tissue access system Sterile tissue access system

2005-05-31

2005-05-31

Gibson, Roy D (Department: 3739)

Surgery

Instruments

Light application

C606S013000, C606S014000

Reexamination Certificate

active

06899708

ABSTRACT:
A tissue access system for tissue ablation without open surgery includes a distally open elongated tube (4) with a handle piece (6) having a through channel (7) in axial alignment with the elongated tube and an infusion fitting (9) that opens into the through channel for supplying a liquid or gaseous medium. An energy guide (16) or a catheter (10) housing such energy guide is arranged in the elongated tube and sealed from the outside. An energy-releasing zone of the energy guide is located in an energy-transparent section of the elongated tube. The medium, introduced into an annular flow channel between the energy guide or catheter and the elongated tube, serves as coolant for the energy-releasing zone and as heat transport medium in the tissue, and can also function as an ablation agent and as a contrast agent for inspection using imaging techniques.

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