Intercostal catheters

• US 3,190,290 A
• Filed: 02/08/1962
• Issued: 06/22/1965
• Est. Priority Date: 02/08/1962
• Status: Expired due to Term

• Current Assignee: David S. Sheridan, Ralph D. Alley
• Original Assignee: David S. Sheridan, Ralph D. Alley
• Inventors: Alley, Ralph D., Sheridan, David S.
• Application Number:
  US04/171,906
• Time in Patent Office: 1,230 Days
• US Class Current: 604/529
• CPC Class Codes: A61M 2025/0656 having a tip larger than the rest of the body
• CPC Class Codes: A61M 25/0021 characterised by the form of the tubing A61M25/0054 takes precedence
• CPC Class Codes: A61M 25/007 Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
• CPC Class Codes: A61M 25/01 Introducing, guiding, advancing, emplacing or holding catheters A61M25/10 takes precedence
• CPC Class Codes: A61M 25/0108 using radio-opaque or ultrasound markers

Claims

1. A CATHETER HAVING A DISTAL END AND A PROXIMAL END COMPRISING A TUBE OF FLEXIBLE MATERIAL TRANSPARENT TO X-RAYS, A LONGITUDINAL LINE OF X-RAY OPAQUE MATERIAL EMBEDDED IN SAID MATERIAL, AND AN INLET OPENING INTERRUPTING SAID LINE OF X-RAY OPAQUE MATERIAL NEAR THE DISTAL END.

2. A SURGICAL CATHETER HAVING A DISTAL END AND A PROXIMAL END ADAPTED TO BE WITHDRAWN THROUGH A SECONDARY INCISION DURING A SURGICAL PROCEDURE SUBSEQUENT TO ITS INSERTION INTO THE BODY THROUGH A PRIMARY INCISION COMPRISING A TUBE OF FLEXIBLE MATERIAL AND A PROXIMAL END PORTION HAVING AN END OPENING LYING SUBSTANTIALLY IN A PLANE WHICH FORMS LESS THAN 45* ANGLE WITH A CENTERLINE OF SAID PROXIMAL END PORTION WHEREBY A SLANTED END SECTION IS FORMED WHICH IS ADAPTED TO BE GRASPED BY FORCEPS FOR WITHDRAWING THE PROXIMAL END PORTION THROUGH AN INCISION, SAID SLANTED END SECTION SMOOTHLY PARTING TISSUE SURROUNDING THE INCISION TO ALLOW FOR THE PASSAGE OF THE PROXIMAL END PORTION WITHOUT RIPPING SAID TISSUE DURING SAID WITHDRAWAL.