Johnson & Johnson Ethicon Endo-Surgery ULTRACISION HARMONIC SCALPEL Service Manual page 11

5.1
Symptom:
Trouble Shooting
The instrument blade fails to cut or coagulate or has less power than usual,
Guide,
continued
and the Generator emits intermittent beeps when the Hand Piece is activated.
Probable cause
Instrument blade is not attached securely
to the Hand Piece.
Symptom:
The instrument blade fails to cut or coagulate or has less power than usual,
and the Generator emits a steady tone when the Hand Piece is activated.
Probable cause
Contact with tissue or fluid is excessive and is
preventing the instrument blade from resonating.
Tissue fragment or coagulum is clinging to the
instrument blade and preventing it from resonating. instrument in air to remove tissue, etc. If this fails, allow the
Inside of Hand Piece is still warm from steam or
flash sterilization.
For Models HP050, HP051, H1TUV, HPTUV
only: Inside of Hand Piece is still damp from
steam or flash sterilization.
Instrument blade is not attached securely to
the Hand Piece.
Instrument blade has visible or invisible defect
which prevents it from resonating.
For Models HP050, HP051, H1TUV, HPTUV only: Replace Hand Piece.
Hand Piece failure caused by immersion in liquid,
damage to power cable, or end of useful life.
Generator failure.
Chapter 5 - Upper Level Diagnostics
Corrective Action
After pushing the Standby Button on the Generator,
manually tighten the instrument onto the Hand Piece
(finger tight only). Use the blade wrench to secure the
instrument completely to the Hand Piece by turning the
wrench clockwise until a "snap" is heard.
Corrective Action
Withdraw the instrument from tissue or fluid and use less
pressure when pushing against tissue.
Activate the Hand Piece for 1 or 2 seconds with the
blade to cool and then wipe it with a sterile cloth. Handle
the instrument with caution as it may become hot during
operation in air.
Allow Hand Piece to cool at room temperature for 15-30
minutes.
Leave both Hand Piece connectors attached to the Generator
and leave the Generator power on and in STANDBY mode
for 5 minutes to allow the Hand Piece air flow to cool and
dry the Hand Piece.
After pushing the Standby Button on the Generator,
manually tighten the instrument onto the Hand Piece (finger
tight only). Use the blade wrench to secure the instrument
completely to the Hand Piece by turning the wrench
clockwise until a "snap" is heard.
Push the Standby Button on the Generator and replace
instrument blade and/or sheath.
Refer to section 6 for a module by module diagnosis or call
for service. (Numbers are listed at the beginning of this
chapter)
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