US3840016A - Electrocoagulation-bougie for the intrauterine tube sterilization - Google Patents

Electrocoagulation-bougie for the intrauterine tube sterilization Download PDF

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US3840016A
US3840016A US00339015A US33901573A US3840016A US 3840016 A US3840016 A US 3840016A US 00339015 A US00339015 A US 00339015A US 33901573 A US33901573 A US 33901573A US 3840016 A US3840016 A US 3840016A
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bougie
probe
hysteroscope
electrocoagulation
heat
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US00339015A
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H Lindemann
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/42—Gynaecological or obstetrical instruments or methods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/08—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by means of electrically-heated probes
    • A61B18/082—Probes or electrodes therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/42—Gynaecological or obstetrical instruments or methods
    • A61B2017/4233—Operations on Fallopian tubes, e.g. sterilization

Definitions

  • the invention relates to an electrocoagulationbougie for the intrauterine tube sterilization.
  • Intrauterine sterilization of the tube by means of heat radiation is known.
  • the devices used are, however, not appropriate to generate a punctiform heat radiation to irradiate only the tissue piece which is to be eliminated.
  • the field surrounding the tissue piece which is to be eliminated is equally reached and destroyed so that lesions caused by heat occur frequently.
  • an electrocoagulationbougie for intrauterine sterilization which is characterized by a hysteroscope constructed in a manner known per se and including, in the interior of its insulated tubular shaft a filamentary conductor having an elongated piece protruding from the upper end of the shaft, said piece having between two insulated sections a non-insulated section emitting joulean heat.
  • FIG. 1 shows a hysteroscope introduced into the uterus and being equipped with an electrocoagulationbougie, partly as an elevation, partly as a vertical section, and
  • FIG. 2 is a magnified illustration of the free end of the electrocoagulation-bougie given as a perspective view.
  • FIG. 1 shows a hysteroscope 10 designed in a manner known per se and consisting, in the main, of a tubular shaft 11 having a lateral inlet at 12 for an electrocoagulation-bougie 13.
  • the hysteroscope l moreover reveals a cap-formed connection body 14 which is, in the embodiment shown in FIG. 1, set upon the os uteri 21 of a uterus shown at 20 and comprising the two oviducts 22, 23.
  • the shaft 11 of the hysteroscope is, togetherwith the piece lying above the set-up body 14, introduced into the uterus 20 up to the zone of the uterine fundus 25.
  • the shaft 11 of the hysteroscope disposes of an aperture through which the prolonged end 13a of the e1ectrocoagulation-bougie 13 is taken out.
  • the electrocoagulation-bougie 13' consists of an insulated conductor whose prolonged end 13a which protrudes from the shaft 11 of the hysteroscope 10 reveals a section 130 emitting joulean heat and being disposed between two insulated sections 13b and 13d.
  • the insulated section 13d represents the end of the prolonged piece 13a of the electrocoagulation bougie l3 and is formed like a cap (FIG. 2).
  • the filamentary conductor 13 which is arranged in the shaft 11 of the hysteroscope forms, during the operation of the electrocoagulation-bougie, one of the poles of the conductor, whereas the human body itself forms the other pole. It is, however, equally possible to arrange in the interior of the shaft 11 of the hysteroscope 10 two filamentary conductors which are insulated against each other and whose free ends taken out through the upper end of the shaft 11 are connected via a section of the conductor of high resistance through which the joulean heat is emitted. Lamellar contact plates with vaporized filamentary conductors can equally be used. The temperature of the heat emitted by the electrocoagulation-bougie can be controlled by a series resistor.
  • the special advantage of the electrocoagulationbougie constructed according to the invention consists in that a radial field emitting joulean heat is formed at the end of the bougie'so that sterilization is made possible by irradiating specific parts of the tissue.
  • the free end of the electrocoagulation-bougie which joins the joulean heat emitting section 130 has an exterior envelope of insulating material, healthy parts of the tissue are not damaged and frontal irradiation is avoided.
  • a high-temperature conductor shown by No. 30 in FIG. 2 which can be used for measuring, regulating and controlling.
  • the high-temperature conductor 30 is connected to a control and regulating device given at 31 and 32 in' which the temperature measured at the place where the heat is emitted is stored and used for controlling the electric voltage for the bougie.
  • the high-temperature conductor 30 can exist in form of a filamentary semi-conductor which is specially arranged in the interior of the shaft 11, or the bougie 13 itself can be used as high-temperature conductor.
  • An electro-coagulation bougie for intra-uterine 2.

Abstract

The object of the invention is an electrocoagulation-bougie for the intrauterine sterilization of the tube, the bougie consisting of a hysteroscope and an electric conductor section emitting joulean heat, the conductor being installed at the bougie''s free end protruding from the upper end of the hysteroscope so that a radial heat radiation is obtained for the destruction of tissue pieces in the field of the section emitting joulean heat without hurting sound tissue pieces.

Description

United States Patent 1191 [111 3,840,016
Lindemann Oct. 8, 1974 [54] ELECTROCOAGULATION-BOUGIE FOR 2,102,270 12/1937 Hyams 128/303.17
3,163,165 12/1964 TUBE $645,265 2/1972 Majzlin 128/408 X [76] Inventor: Hans-Joachim Lindemanni Kleiner Schaferkamp 43 2000 Hamburg 6 Przmary ExammerChann1ng L. Pace Germany Attorney, Agent, or FirmErnest F. Marmorek [22] Filed: Mar. 7, 1973 [211 Appl. No.: 339,015 ABSTRACT The object of the invention is an electrocoagulation- [30] Foreign Application Priority Data bougie for the intrauterine sterilization of the tube, the, Mar. 10,1973 Germany 7305041 bougie Consisting of a hysteroscope andan electric V conductor section emitting joulean heat, the conduc- [52] U.S. Cl. 128/303.17, 128/408 tor being installed at the ug s free nd pr truding 51 Int. Cl. A61n 3/00, A6lb 17/36 a from the pp end of the hysteroscope so that a [58] Field of Search 128/303.17, 401, 408 dial heat radiation is obtained for the destruction of tissue pieces in the field of the section emitting jou- [56] R f r Cit d lean heat without hurting sound tissue pieces.
UNITED STATES PATENTS' 1,943,543 1/1934 McFadden 128/303.l7 2 i 2 Drawmg F'gures ELECTROCOAGULATION-BOUGIE. FOR THE INTRAUTERINE TUBE STERILIZATION SUMMARY or THE INVENTION Reference is had to applicants co-pending application Ser. No. 339,011 filed Mar. 7, 1973.
The invention relates to an electrocoagulationbougie for the intrauterine tube sterilization. Intrauterine sterilization of the tube by means of heat radiation is known. The devices used are, however, not appropriate to generate a punctiform heat radiation to irradiate only the tissue piece which is to be eliminated. During irradiation, admission of heat respectively, the field surrounding the tissue piece which is to be eliminated is equally reached and destroyed so that lesions caused by heat occur frequently.
It is an object of the invention to construct a bougie with which the elimination of specific tissue pieces is made possible without hurting the surrounding tissue fields. As a solution to this task an electrocoagulationbougie for intrauterine sterilization is suggested which is characterized by a hysteroscope constructed in a manner known per se and including, in the interior of its insulated tubular shaft a filamentary conductor having an elongated piece protruding from the upper end of the shaft, said piece having between two insulated sections a non-insulated section emitting joulean heat.
The object of the invention is shown in the drawing as follows:
FIG. 1 shows a hysteroscope introduced into the uterus and being equipped with an electrocoagulationbougie, partly as an elevation, partly as a vertical section, and
.FIG. 2 is a magnified illustration of the free end of the electrocoagulation-bougie given as a perspective view.
FIG. 1 shows a hysteroscope 10 designed in a manner known per se and consisting, in the main, of a tubular shaft 11 having a lateral inlet at 12 for an electrocoagulation-bougie 13. The hysteroscope l moreover reveals a cap-formed connection body 14 which is, in the embodiment shown in FIG. 1, set upon the os uteri 21 of a uterus shown at 20 and comprising the two oviducts 22, 23. The shaft 11 of the hysteroscope is, togetherwith the piece lying above the set-up body 14, introduced into the uterus 20 up to the zone of the uterine fundus 25.
At its upper end the shaft 11 of the hysteroscope disposes of an aperture through which the prolonged end 13a of the e1ectrocoagulation-bougie 13 is taken out. The electrocoagulation-bougie 13'consists of an insulated conductor whose prolonged end 13a which protrudes from the shaft 11 of the hysteroscope 10 reveals a section 130 emitting joulean heat and being disposed between two insulated sections 13b and 13d. The insulated section 13d represents the end of the prolonged piece 13a of the electrocoagulation bougie l3 and is formed like a cap (FIG. 2).
.By the fact that the part of the conductor which is taken out of the hysteroscope 10 has got only one sec- I tion 13c which is emitting joulean heat, it is possible to heat a zone in the intra-uterine field of the oviduct of the uterus.
The filamentary conductor 13 which is arranged in the shaft 11 of the hysteroscope forms, during the operation of the electrocoagulation-bougie, one of the poles of the conductor, whereas the human body itself forms the other pole. It is, however, equally possible to arrange in the interior of the shaft 11 of the hysteroscope 10 two filamentary conductors which are insulated against each other and whose free ends taken out through the upper end of the shaft 11 are connected via a section of the conductor of high resistance through which the joulean heat is emitted. Lamellar contact plates with vaporized filamentary conductors can equally be used. The temperature of the heat emitted by the electrocoagulation-bougie can be controlled by a series resistor.
The special advantage of the electrocoagulationbougie constructed according to the invention consists in that a radial field emitting joulean heat is formed at the end of the bougie'so that sterilization is made possible by irradiating specific parts of the tissue. By the fact that the free end of the electrocoagulation-bougie which joins the joulean heat emitting section 130 has an exterior envelope of insulating material, healthy parts of the tissue are not damaged and frontal irradiation is avoided.
In order to be able to control the temperature in the field of section 130 of the bougie there exists the possibility to use a high-temperature conductor shown by No. 30 in FIG. 2which can be used for measuring, regulating and controlling. The high-temperature conductor 30 is connected to a control and regulating device given at 31 and 32 in' which the temperature measured at the place where the heat is emitted is stored and used for controlling the electric voltage for the bougie. The high-temperature conductor 30 can exist in form of a filamentary semi-conductor which is specially arranged in the interior of the shaft 11, or the bougie 13 itself can be used as high-temperature conductor.
I claim:
1. An electro-coagulation bougie for intra-uterine 2. The electro-coagulation bougie for intra-uterine tube sterilization as claimed in claim 1, wherein said connecting means comprises temperature sensing means for sensing the temperature in the vicinity of said probe.

Claims (2)

1. An electro-coagulation bougie for intra-uterine tube sterilization, comprising a hysteroscope having a tubular shaft, an electrically conductive probe part extending from one end of said hysteroscope for providing Joulean heat radiation, two spaced apart insulating layers on said probe with the surface of said probe therebetween free of insulation whereby said Joulean heat is localized away from the end of said probe, and connecting means for making an electrical connection to said probe through said hysteroscope whereby said Joulean heat can be generated by a voltage potential difference between said probe and a portion of tissue.
2. The electro-coagulation bougie for intra-uterine tube sterilization as claimed in claim 1, wherein said connecting means comprises temperature sensing means for sensing the temperature in the vicinity of said probe.
US00339015A 1972-03-10 1973-03-07 Electrocoagulation-bougie for the intrauterine tube sterilization Expired - Lifetime US3840016A (en)

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Cited By (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057063A (en) * 1975-04-11 1977-11-08 U.S. Philips Corporation Device for sterilization by transuterine tube coagulation
US4142529A (en) * 1977-06-20 1979-03-06 Bio-Tronics, Inc. Process and device for the therapeutic treatment of hemorrhoids
EP0170482A2 (en) * 1984-07-24 1986-02-05 Cedric Rex Ellis Instruments for use in treating deformed nails on a human patient
US5095917A (en) * 1990-01-19 1992-03-17 Vancaillie Thierry G Transuterine sterilization apparatus and method
US5188122A (en) * 1989-06-20 1993-02-23 Rocket Of London Limited Electromagnetic energy generation method
US5277201A (en) * 1992-05-01 1994-01-11 Vesta Medical, Inc. Endometrial ablation apparatus and method
US5366490A (en) * 1992-08-12 1994-11-22 Vidamed, Inc. Medical probe device and method
US5385544A (en) * 1992-08-12 1995-01-31 Vidamed, Inc. BPH ablation method and apparatus
US5409453A (en) * 1992-08-12 1995-04-25 Vidamed, Inc. Steerable medical probe with stylets
US5421819A (en) * 1992-08-12 1995-06-06 Vidamed, Inc. Medical probe device
US5435805A (en) * 1992-08-12 1995-07-25 Vidamed, Inc. Medical probe device with optical viewing capability
US5443470A (en) * 1992-05-01 1995-08-22 Vesta Medical, Inc. Method and apparatus for endometrial ablation
US5456662A (en) * 1993-02-02 1995-10-10 Edwards; Stuart D. Method for reducing snoring by RF ablation of the uvula
US5470308A (en) * 1992-08-12 1995-11-28 Vidamed, Inc. Medical probe with biopsy stylet
US5505730A (en) * 1994-06-24 1996-04-09 Stuart D. Edwards Thin layer ablation apparatus
US5514131A (en) * 1992-08-12 1996-05-07 Stuart D. Edwards Method for the ablation treatment of the uvula
US5542915A (en) * 1992-08-12 1996-08-06 Vidamed, Inc. Thermal mapping catheter with ultrasound probe
US5556377A (en) * 1992-08-12 1996-09-17 Vidamed, Inc. Medical probe apparatus with laser and/or microwave monolithic integrated circuit probe
US5562720A (en) * 1992-05-01 1996-10-08 Vesta Medical, Inc. Bipolar/monopolar endometrial ablation device and method
US5575788A (en) * 1994-06-24 1996-11-19 Stuart D. Edwards Thin layer ablation apparatus
EP0750886A1 (en) * 1995-06-30 1997-01-02 The Regents Of The University Of California Apparatus for endovascular thermal treatment
US5599295A (en) * 1992-08-12 1997-02-04 Vidamed, Inc. Medical probe apparatus with enhanced RF, resistance heating, and microwave ablation capabilities
US5630794A (en) * 1992-08-12 1997-05-20 Vidamed, Inc. Catheter tip and method of manufacturing
US5672153A (en) * 1992-08-12 1997-09-30 Vidamed, Inc. Medical probe device and method
US5681308A (en) * 1994-06-24 1997-10-28 Stuart D. Edwards Ablation apparatus for cardiac chambers
US5720719A (en) * 1992-08-12 1998-02-24 Vidamed, Inc. Ablative catheter with conformable body
US5769880A (en) * 1996-04-12 1998-06-23 Novacept Moisture transport system for contact electrocoagulation
EP0890342A1 (en) * 1997-07-11 1999-01-13 Gynecare, Inc. Instrument for operations on the uterus
US5954715A (en) * 1997-06-05 1999-09-21 Adiana, Inc. Method and apparatus for tubal occlusion
US6066139A (en) * 1996-05-14 2000-05-23 Sherwood Services Ag Apparatus and method for sterilization and embolization
US6712810B2 (en) 1999-02-01 2004-03-30 Adiana, Inc. Method and apparatus for tubal occlusion
US6813520B2 (en) 1996-04-12 2004-11-02 Novacept Method for ablating and/or coagulating tissue using moisture transport
US20050033281A1 (en) * 2002-05-23 2005-02-10 Adiana, Inc. Catheter placement detection system and operator interface
US20050085880A1 (en) * 1996-04-12 2005-04-21 Csaba Truckai Moisture transport system for contact electrocoagulation
US20090036840A1 (en) * 2006-11-22 2009-02-05 Cytyc Corporation Atraumatic ball tip and side wall opening
US20090125023A1 (en) * 2007-11-13 2009-05-14 Cytyc Corporation Electrosurgical Instrument
US7674260B2 (en) 2005-04-28 2010-03-09 Cytyc Corporation Emergency hemostasis device utilizing energy
US7731712B2 (en) 2004-12-20 2010-06-08 Cytyc Corporation Method and system for transcervical tubal occlusion
US7846160B2 (en) 2006-12-21 2010-12-07 Cytyc Corporation Method and apparatus for sterilization
US7921848B2 (en) 1995-06-07 2011-04-12 Conceptus, Inc. Contraceptive transcervical fallopian tube occlusion devices and methods
US7934504B2 (en) 1999-08-23 2011-05-03 Conceptus, Inc. Deployment actuation system for intrafallopian contraception
US8066007B2 (en) 1995-06-07 2011-11-29 Conceptus, Inc. Contraceptive transcervical fallopian tube occlusion devices and their delivery
US8231619B2 (en) 2010-01-22 2012-07-31 Cytyc Corporation Sterilization device and method
US8486060B2 (en) 2006-09-18 2013-07-16 Cytyc Corporation Power ramping during RF ablation
US8551082B2 (en) 1998-05-08 2013-10-08 Cytyc Surgical Products Radio-frequency generator for powering an ablation device
US8550086B2 (en) 2010-05-04 2013-10-08 Hologic, Inc. Radiopaque implant
US8702727B1 (en) 1999-02-01 2014-04-22 Hologic, Inc. Delivery catheter with implant ejection mechanism
WO2023237354A1 (en) 2022-06-10 2023-12-14 Innopath Gynaecological device for permanent tubal sterilization using a bendable radiofrequency applicator

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Cited By (104)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057063A (en) * 1975-04-11 1977-11-08 U.S. Philips Corporation Device for sterilization by transuterine tube coagulation
US4142529A (en) * 1977-06-20 1979-03-06 Bio-Tronics, Inc. Process and device for the therapeutic treatment of hemorrhoids
EP0170482A2 (en) * 1984-07-24 1986-02-05 Cedric Rex Ellis Instruments for use in treating deformed nails on a human patient
EP0170482A3 (en) * 1984-07-24 1986-04-23 National Research Development Corporation Instruments for use in treating horny structures on animal bodies
US4702246A (en) * 1984-07-24 1987-10-27 Cedric R. Ellis Heating instrument for treating a deformed nail
US5188122A (en) * 1989-06-20 1993-02-23 Rocket Of London Limited Electromagnetic energy generation method
US5095917A (en) * 1990-01-19 1992-03-17 Vancaillie Thierry G Transuterine sterilization apparatus and method
US5443470A (en) * 1992-05-01 1995-08-22 Vesta Medical, Inc. Method and apparatus for endometrial ablation
US5277201A (en) * 1992-05-01 1994-01-11 Vesta Medical, Inc. Endometrial ablation apparatus and method
US6041260A (en) * 1992-05-01 2000-03-21 Vesta Medical, Inc. Method and apparatus for endometrial ablation
US5713942A (en) * 1992-05-01 1998-02-03 Vesta Medical, Inc. Body cavity ablation apparatus and model
US5562720A (en) * 1992-05-01 1996-10-08 Vesta Medical, Inc. Bipolar/monopolar endometrial ablation device and method
US5554110A (en) * 1992-08-12 1996-09-10 Vidamed, Inc. Medical ablation apparatus
US5599294A (en) * 1992-08-12 1997-02-04 Vidamed, Inc. Microwave probe device and method
US5421819A (en) * 1992-08-12 1995-06-06 Vidamed, Inc. Medical probe device
US5366490A (en) * 1992-08-12 1994-11-22 Vidamed, Inc. Medical probe device and method
US5470309A (en) * 1992-08-12 1995-11-28 Vidamed, Inc. Medical ablation apparatus utilizing a heated stylet
US5470308A (en) * 1992-08-12 1995-11-28 Vidamed, Inc. Medical probe with biopsy stylet
US6022334A (en) * 1992-08-12 2000-02-08 Vidamed, Inc. Medical probe device with optic viewing capability
US5514131A (en) * 1992-08-12 1996-05-07 Stuart D. Edwards Method for the ablation treatment of the uvula
US5531677A (en) * 1992-08-12 1996-07-02 Vidamed, Inc. Steerable medical probe with stylets
US5542915A (en) * 1992-08-12 1996-08-06 Vidamed, Inc. Thermal mapping catheter with ultrasound probe
US6102886A (en) * 1992-08-12 2000-08-15 Vidamed, Inc. Steerable medical probe with stylets
US5556377A (en) * 1992-08-12 1996-09-17 Vidamed, Inc. Medical probe apparatus with laser and/or microwave monolithic integrated circuit probe
US6206847B1 (en) 1992-08-12 2001-03-27 Vidamed, Inc. Medical probe device
US5409453A (en) * 1992-08-12 1995-04-25 Vidamed, Inc. Steerable medical probe with stylets
US5895370A (en) * 1992-08-12 1999-04-20 Vidamed, Inc. Medical probe (with stylets) device
US6464661B2 (en) 1992-08-12 2002-10-15 Vidamed, Inc. Medical probe with stylets
US5385544A (en) * 1992-08-12 1995-01-31 Vidamed, Inc. BPH ablation method and apparatus
US5435805A (en) * 1992-08-12 1995-07-25 Vidamed, Inc. Medical probe device with optical viewing capability
US5599295A (en) * 1992-08-12 1997-02-04 Vidamed, Inc. Medical probe apparatus with enhanced RF, resistance heating, and microwave ablation capabilities
US5607389A (en) * 1992-08-12 1997-03-04 Vidamed, Inc. Medical probe with biopsy stylet
US5630794A (en) * 1992-08-12 1997-05-20 Vidamed, Inc. Catheter tip and method of manufacturing
US5672153A (en) * 1992-08-12 1997-09-30 Vidamed, Inc. Medical probe device and method
US5848986A (en) * 1992-08-12 1998-12-15 Vidamed, Inc. Medical probe with electrode guide for transurethral ablation
US5370675A (en) * 1992-08-12 1994-12-06 Vidamed, Inc. Medical probe device and method
US5720718A (en) * 1992-08-12 1998-02-24 Vidamed, Inc. Medical probe apparatus with enhanced RF, resistance heating, and microwave ablation capabilities
US5720719A (en) * 1992-08-12 1998-02-24 Vidamed, Inc. Ablative catheter with conformable body
US7201731B1 (en) 1992-08-12 2007-04-10 Lundquist Ingemar H Treatment device with guidable needle
US5456662A (en) * 1993-02-02 1995-10-10 Edwards; Stuart D. Method for reducing snoring by RF ablation of the uvula
US5769846A (en) * 1994-06-24 1998-06-23 Stuart D. Edwards Ablation apparatus for cardiac chambers
US5827273A (en) * 1994-06-24 1998-10-27 Stuart D. Edwards Thin layer ablation apparatus
US5681308A (en) * 1994-06-24 1997-10-28 Stuart D. Edwards Ablation apparatus for cardiac chambers
US5575788A (en) * 1994-06-24 1996-11-19 Stuart D. Edwards Thin layer ablation apparatus
US5569241A (en) * 1994-06-24 1996-10-29 Vidacare, Inc. Thin layer ablation apparatus
US5558672A (en) * 1994-06-24 1996-09-24 Vidacare, Inc. Thin layer ablation apparatus
US5505730A (en) * 1994-06-24 1996-04-09 Stuart D. Edwards Thin layer ablation apparatus
US8066007B2 (en) 1995-06-07 2011-11-29 Conceptus, Inc. Contraceptive transcervical fallopian tube occlusion devices and their delivery
US7921848B2 (en) 1995-06-07 2011-04-12 Conceptus, Inc. Contraceptive transcervical fallopian tube occlusion devices and methods
US8171936B2 (en) 1995-06-07 2012-05-08 Conceptus, Inc. Contraceptive transcervical fallopian tube occlusion devices and methods
US8327852B2 (en) 1995-06-07 2012-12-11 Conceptus, Inc. Occlusion devices and methods
US8356599B2 (en) 1995-06-07 2013-01-22 Conceptus, Inc. Occlusion devices and methods
US8733361B2 (en) 1995-06-07 2014-05-27 Bayer Essure Inc. Occlusion devices and methods
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US20050267468A1 (en) * 1996-04-12 2005-12-01 Csaba Truckai Moisture transport system for contact electrocoagulation
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US6813520B2 (en) 1996-04-12 2004-11-02 Novacept Method for ablating and/or coagulating tissue using moisture transport
US8506563B2 (en) 1996-04-12 2013-08-13 Cytyc Surgical Products Moisture transport system for contact electrocoagulation
US20050085880A1 (en) * 1996-04-12 2005-04-21 Csaba Truckai Moisture transport system for contact electrocoagulation
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US6066139A (en) * 1996-05-14 2000-05-23 Sherwood Services Ag Apparatus and method for sterilization and embolization
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