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Device and method for carpal tunnel release

  • US 5,325,883 A
  • Filed: 02/04/1993
  • Issued: 07/05/1994
  • Est. Priority Date: 11/04/1991
  • Status: Expired due to Term
First Claim
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1. A method for incising a carpal ligament in a patient who is experiencing carpal tunnel syndrome comprising the steps of:

  • providing a cannula having a closed blunt end and an open end through which a knife and an endoscope may be inserted, the cannula having a slot extending between its ends for allowing simultaneous viewing and cutting of the carpal ligament;

    making an incision near the patient'"'"'s wrist;

    inserting the closed blunt end of the cannula through the incision and under the carpal ligament;

    inserting the endoscope into the open end of the cannula and viewing the carpal ligament through the cannula slot; and

    inserting a knife into the open end of the cannula and sectioning the ligament.

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