Medical probing instrument having flexible, extrudable tubing adapted to be extraverted under pressure into a body cavity

• US 3,168,092 A
• Filed: 06/15/1961
• Issued: 02/02/1965
• Est. Priority Date: 06/15/1961
• Status: Expired due to Term

• Current Assignee: Daniel Silverman
• Original Assignee: Daniel Silverman
• Inventors: Silverman, Daniel
• Application Number:
  US04/117,225
• Time in Patent Office: 1,328 Days
• US Class Current: 600/7
• CPC Class Codes: A61B 1/00151 using everted tubes
• CPC Class Codes: A61B 1/00165 with light-conductive means, e.g. fibre optics A61B1/07 takes precedence
• CPC Class Codes: A61B 10/04 Endoscopic instruments
• CPC Class Codes: A61B 17/3431 being collapsible, e.g. made of thin flexible material A61B17/3423 takes precedence
• CPC Class Codes: A61B 2090/3614 using optical fibre
• CPC Class Codes: A61B 46/13 the drapes entering the patient's body
• CPC Class Codes: A61B 90/40 Apparatus fixed or close to patients specially adapted for providing an aseptic surgical environment
• CPC Class Codes: A61M 25/0119 Eversible catheters
• CPC Class Codes: A61M 31/00 Devices for introducing or retaining media, e.g. remedies, in cavities of the body A61M25/00 takes precedence ; introducing or retaining ophthalmic products into the ocular cavities A61F9/0008

Claims

1. AN INSTRUMENT FOR REMOVABLY PLACING A LONG FLEXIBLE THIN-WALLED TUBING INTO AN ELONGATED TORTUOUS NON-LINEAR TUBULAR CAVITY OF LENGTH L AND DIAMETER D, COMPRISING, (A) A THREE DIMENSIONAL SUBSTANTIALLY RIGID PRESSURETIGHT CASING OF DIMENSIONS GREATER THAN D, COMPRISING CIRCUMFERENTIAL SIDE WALLS AND TWO ENDS WALLS, (B) ONE WALL OF SAID CASING ADAPTED TO BE PLACED AGAINST THE MOUTH OF SAID CAVITY, (C) AN OPENING IN SAID WALL OF DIAMETER LESS THAN D, (D) A COLLAPSED THIN-WALLED FLEXIBLE TUBING, EQUAL IN LENGTH OF A SUBSTANTIAL FRACTION OF LENGTH L INSIDE SAID CASING, (E) MEANS FASTENING IN PRESSURE-TIGHT RELATION ONE AND OF SAID TUBING ACROSS SAID OPENING, (F) THE OTHER END OF SAID TUBING SEALED AGAINST PRESSURE, (G) MEANS FOR INTRODUCING FLUID INTO SAID CASING UNDER PRESSURE, (H) MEANS FOR WITHDRAWING SAID TUBING INTO SAID CASING, AND, (I) MEANS LOCATED IN SAID CASING FOR MAINTAINING PRESSURE IN SAID CASING, SAID INCLUDING PRESSURE INDICATION AND PRESSURE CONTROL MEANS.