Uterocervical cannula

• US 3,312,215 A
• Filed: 08/02/1963
• Issued: 04/04/1967
• Est. Priority Date: 08/02/1963
• Status: Expired due to Term

• Current Assignee: Jeffery Silber
• Original Assignee: Jeffrey N. Silber
• Inventors: Silber, Max N.
• Application Number:
  US04/299,669
• Time in Patent Office: 1,341 Days
• US Class Current: 128/841
• CPC Class Codes: A61B 10/0291 for uterus A61B10/0045 takes precedence
• CPC Class Codes: A61F 6/142 Wirelike structures, e.g. loops, rings, spirals
• CPC Class Codes: A61F 6/146 Occluders for the cervical canal occluding by internal devices A61B17/12022; dilators A61M29/00
• CPC Class Codes: A61M 3/0279 Cannula; Nozzles; Tips; their connection means
• 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
• CPC Class Codes: A61N 5/1014 Intracavitary radiation therapy

Claims

1. A UNITARY UTERINE CANNULA COMPRISING:

A TUBULAR STEM PORTION ADAPTED TO FIT SNUGLY IN THE CERVIX;

AND A HEAD PORTION ADAPTED TO BE EMBRACED BY THE WALLS OF THE UTERUS, THE HEAD PORTION CONSISTING OF A PLURALITY OF LOOPING FLEXIBLE ARMS DEFINING A DEFORMABLE BULBOUS PORTION, THE ARMS HAVING THEIR ENDS UNITARY WITH THE STEM PORTION, SAID STEM PORTION DEFINING A SERIES OF LONGITUDINALLY AXIALLY SPACED BULBAR ENLARGEMENTS ALONG WITH THE SAID STEM, THE END OF SAID STEM REMOTE FROM THE HEAD PORTION DEFINING AN INTERNAL THREADED CONFORMATION ADAPTED TO RECEIVE AN EXTERNALLY THREADED ROD FOR INSERTION AND WITHDRAWAL OF SAID CANNULA INTO AND FROM THE UTERUS, RESPECTIVELY.