Uterotube-closing instrument

• US 3,163,165 A
• Filed: 09/12/1960
• Issued: 12/29/1964
• Est. Priority Date: 09/12/1960
• Status: Expired due to Term

• Current Assignee: Humio Islkawa
• Original Assignee: Humio Islkawa
• Inventors: HUMIO ISLKAWA
• Application Number:
  US04/055,441
• Time in Patent Office: 1,569 Days
• US Class Current: 606/49
• CPC Class Codes: A61B 18/1485 having a short rigid shaft for accessing the inner body through natural openings
• CPC Class Codes: A61B 2017/00084 Temperature

Claims

1. A UTEROTUBE-CLOSING DEVICE FOR STERILIZATION BY CAUTERIZATION OF A UTERINE CORNU COMPRISING, A NON-CONDUCTIVE TIP MEMBER COMPRISING A HEMISPHERICAL, NON-CONDUCTIVE, OUTER LEADING SURFACE, A SPARK DISCHARGING MAIN ELECTRODE COMPRISING AN ARCUATE ELECTRODE MOUNTED PERIPHERALLY OF SAID HEMISPHERICAL MEMBER TO PROVIDE A CONDUCTIVE, ARCUATE OUTER CONTACT SURFACE FOR CONTACTING AN ORGAN TO BE CAUTERIZED, SAID MAIN ELECTRODE HAVING A LENGTH GREATER THAN AND A WIDTH LESS THAN THE DIAMETER OF SAID HEMISPHERICAL SURFACE, MEANS COMPRISING A CONDUCTIVE METAL TUBE ON WHICH SAID TIP MEMBER IS MOUNTED AT ONE END THEREOF TO APPLY AN ELECTRICAL CURRENT TO SAID MAIN ELECTRODE TO HEAT IT TO A SELECTED TEMPERATURE IN DEPENDENCE UPON THE AREA OF SAID CONTACT SURFACE AND THE CONTOUR OF SAID CONTACT SURFACE, MEANS ELECTRICALLY CONNECTING SAID METAL TUBE AND SAID MAIN ELECTRODE WITHOUT IMPAIRMENT OF THE NON-CONDUCTIVENESS OF SAID LEADING SURFACE, SAID TIP MEMBER HAVING A LARGER TRANSVERSE DIMENSION THAN THE DIAMETER OF SAID TUBE, MEANS INTERNALLY OF SAID MAIN ELECTRODE FOR SENSING THE TEMPERATURE OF SAID MAIN ELECTRODE THEREBY TO MEASURE THE CAUTERIZATION TEMPERATURE, MEANS CONNECTED TO THE LAST-MENTIONED MEANS FOR INDICATING THE TEMPERATURE SENSED EXTERNALLY OF SAID DEVICE WHEN SAID DEVICE IS IN POSITION FOR CAUTERIZATION, AN INSULATING SHEATH EXTENDING LONGITUDINALLY OF SAID METAL TUBE AND CIRCUMFERENTIALLY OF SAID TUBE, SAID SHEATH EXTENDING FROM SAID TIP MEMBER IN A DIRECTION AWAY THEREFROM TO INSULATE SAID TUBE FROM THE UTERINE AND VAGINAL TISSUE OF A FEMALE DURING USE OF SAID DEVICE, SAID MEANS TO HEAT SAID MAIN ELECTRODE COMPRISING MEANS TO APPLY A HIGH FREQUENCY CURRENT TO SAID CONDUCTIVE METAL TUBE, AND A HANDLE ON SAID TUBE AT AN END OPPOSITE SAID TIP MEMBER FOR MANIPULATING SAID DEVICE.