An adjustable electrode surface RF-pencil

Problem: Electrode tip of RF-pencil is too large causing inaccuracy.

NEED Statement: Develop a RF-pencil which has a mechanism allowing surgeon to limit the electrode surface during the surgery without the help of the nurses and additional polymer material.

Beneficiary: Surgeon

Description:

• The wheel can be turned upwards to move the movable part upwards and limit the electrode surface or downwards for prolonging the electrode length by moving the movable part downwards.
• A small mechanical display will show the adjusted electrode length in millimetre.

Result:

• Change limitation of electrode surface during coagulation process (interactive)
• No need for manual adjustment
• Time-saving

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