Surgical instrument with laser target

Details Surgical instrument with laser target Surgical instrument with laser target

1997-07-28

1999-05-25

Leubecker, John P.

Surgery

Instruments

Light application

606 13, 606 6, 606 2, A61B 1736

Patent

active

059066113

ABSTRACT:
A surgical needle with an open distal port at which tissue to be fractured is positioned contains an optical fiber for providing pulses of laser energy and a titanium target that receives these pulses. The target converts the energy in the electromagnetic pulses to shockwaves that impinge on the tissue at the port causing the tissue to fracture. The target has one or more steps such that vaporization of the target by the laser pulses leaves a surface which directly faces the port so that the continued conversion of laser energy to mechanical shockwaves will provide shockwaves that are not blocked in traveling to the port at which the tissue is located.

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