Surgical suction device

• US 3,308,825 A
• Filed: 08/02/1963
• Issued: 03/14/1967
• Est. Priority Date: 08/02/1963
• Status: Expired due to Term

• Current Assignee: Joseph R. Cruse
• Original Assignee: Joseph R. Cruse
• Inventors: Cruse, Joseph R.
• Application Number:
  US04/299,561
• Time in Patent Office: 1,320 Days
• US Class Current: 604/267
• CPC Class Codes: A61M 1/84 Drainage tubes; Aspiration tips for negative pressure wound therapy A61M1/90; for surgical cutting instruments A61B17/32
• CPC Class Codes: Y10S 604/902 Suction wands

Claims

1. IN A SURGICAL SUCTION DEVICE, A SUCTION TIP WHICH COMPRISES, AN OUTER TUBE HAVING AN END WALL AT ITS FREE END, AND EXTERNAL HELICAL GROOVE PROVIDED SUBSTANTIALLY ALONG THE LENGTH OF SAID OUTER TUBE, A PLURALITY OF SIDE PORTS COMMUNICATING SAID GROOVE WITH THE INTERIOR OF SAID OUTER TUBE, AN EXTERNAL TRANSVERSE GROOVE PROVIDED AT THE FREE END PORTION OF SAID OUTER TUBE, A PORT COMMUNICATING SAID TRANSVERSE GROOVE WITH THE INTERIOR OF SAID OUTER TUBE, AN OPEN END INNER SUCTION TUBE AXIALLY SLIDABLE INWARDLY OF SAID OUTER TUBE FOR WITHDRAWING FLUID MATERIAL INTRODUCED THROUGH SAID PORTS, ANNULAR MEANS CARRIED EXTERIORLY OF SAID INNER TUBE FOR SHEARING NON-FLUID MATERIAL PROTRUDING THROUGH THE SIDE PORTS OF SAID OUTER TUBE AS SAID INNER TUBE SLIDES ACROSS SAID SIDE PORTS, AND MEANS FOR LOCKING SAID INNER TUBE IN SELECTED POSITION RELATIVE TO SAID OUTER TUBE.