Device for targeted, catherized delivery of medications

  • US 5,762,639 A
  • Filed: 06/06/1995
  • Issued: 06/09/1998
  • Est. Priority Date: 04/07/1995
  • Status: Expired due to Fees
First Claim
Patent Images

1. A device for perforating the periodontal ligaments, cortical plate or small bones, and the like and for injecting substances at a predetermined site, comprising:

  • perforator for drilling a hole into the ligament, bone or tissue, wherein said perforator is provided with an inner passage to form a catheter adapted to remain in the hole perforated for directing a hypodermic needle to the predetermined site, and an adaptor at one end of the perforator for latching a latching-type powered dental handpiece thereto for transmitting rotational movement to said perforator;

    a first connector formed inside a first body of a generally cylindrical outer shape, for cooperation with said adaptor;

    a drilling needle extending from said first body along its axis of rotation opposite said first connector, said drilling needle being fixed to said first body;

    said adaptor comprising a second connector formed inside a second body of a generally cylindrical outer shape;

    a driving shank extending along a rotational axis of said second body, said shank having two ends, one end fixed to said second body opposite to said second connector, and the other free end adapted to receive a rotational movement; and

    a rod extending along the rotational axis of said second body in an opposite direction to said driving shank, said rod sized to fit into a passage in said drilling needle.

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