Wound edge protector

• US 3,347,227 A
• Filed: 12/11/1964
• Issued: 10/17/1967
• Est. Priority Date: 12/11/1964
• Status: Expired due to Term

• Current Assignee: Harold W. Harrower
• Original Assignee: Harold W. Harrower
• Inventors: Harrower, Harold W.
• Application Number:
  US04/417,560
• Time in Patent Office: 1,040 Days
• US Class Current: 128/850
• CPC Class Codes: A61B 17/0293 with ring member to support retractor elements
• CPC Class Codes: A61B 17/3431 being collapsible, e.g. made of thin flexible material A61B17/3423 takes precedence
• CPC Class Codes: A61B 46/00 Surgical drapes
• CPC Class Codes: A61B 90/40 Apparatus fixed or close to patients specially adapted for providing an aseptic surgical environment

Claims

1. A WOUND CAVITY AND EDGE PROTECTOR COMPRISING A PAIR OF FLEXIBLE AND RESILIENT RINGS PRESHAPED TO ARCUATE FORM, A SHEET OF FLEXIBLE MATERIAL IMPERVIOUS TO BODY LIQUIDS AND SOLIDS AND HAVING A THINNESS SUCH THAT IT WILL CONFORM CLOSELY TO THE WOUND SURFACE AND BEING OF OPENENDED SLEEVE-LIKE SHAPE HAVING A SIZE SUCH THAT ITS END EDGES CAN BE JOINED RESPECTIVELY WITH SAID RINGS EACH END EDGE OF SAID SHEET BEING JOINED WITH A RESPECTIVE ONE OF SAID RINGS TO PROVIDE AN ENDLESS WALL THEREBETWEEN, ONE OF SAID RINGS BEING COMPRESSIBLE AND INITIALLY INSERTABLE INTO A WOUND CAVITY OF SLIGHTLY SMALLER SIZE THAN THE RING AND ALLOWED TO EXPAND SUSBTANTIALLY TO ITS NORMAL FORM AT THE BASE OF THE CAVITY, THE OTHER OF SAID RINGS RETAINABLE EXTERIORLY OF AND IN A SELF-RETAINING MANNER TO OVERLAP THE SKIN EDGE SURFACE OF THE WOUND, WITH THE FLEXIBLE WALL PROTECTIVELY COVERING THE ENTIRE WOUND SURFACE.