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Publication numberUS3645265 A
Publication typeGrant
Publication dateFeb 29, 1972
Filing dateJun 25, 1969
Priority dateJun 25, 1969
Publication numberUS 3645265 A, US 3645265A, US-A-3645265, US3645265 A, US3645265A
InventorsMajzlin Gregory
Original AssigneeMajzlin Gregory
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Intrauterine cauterizing device
US 3645265 A
The present invention relates to a spring member particularly adapted for use in cauterizing the uterus. One potentially large application of this is in cauterization of the openings of the fallopian tubes to prevent pregnancy.
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Description  (OCR text may contain errors)

[ Feb. 29, 1972 United States Patent Maj zlin [54] INTRAUTERINE CAUTERIZING DEVICE [72] Inventor:

2,122,579 7/1938 Meckstroth 3,100,489 8/l963 3,163,165 12/1964 Bagley Isikawa...

Gregory Maizlin, 92 Whitman Drive, Brooklyn, NY. 14034 June 25, 1969 ....12s/130 .....l28/l30 128/303.l3

3,306,286 2/1967 Ahmed......

[22] Filed:

3,374,788 3/1968 Rosenthal...... 3,532,095 10/1970 Milleretal.......................

21 Appl. No.:

t a T 0 M AH T S mL B e A m v im "W ".161 ..m. a xfi E n mum .s mmm n PAA U 86 a1 7 m Jm la i mmm 1 ,4 l 1% 1 0 W A 2 3 m n 0 3 B 0 .00 B m2 8 m 2 "n "r rm G d im UhF HUM 555 [[1 adapted for use in cauterizing the uterus. One potentially large application of this is in cauterization of The present invention relates to a spring member particularly the openings of the fallopian tubes to prevent pregnancy.

2 Claims, 11 Drawing Figures [56] References Cited UNITED STATES PATENTS 662,716 I 1/1900 Gaedeke 632,559 9/1899 Freeman PATENTEDFEBZQ I972 3,645,265

SHEET 1 [1F 2 INTRAUTERINE CAUTERIZING DEVICE It is known that the uterus may be cauterized by means of a probe which supplies electric current to effect the cauterization. But the process has not been widely used because great skill and precision are required to spot the probe in the specific area that is to be cauterized. This is particularly true in those cases where the fallopian tubes are to be cauterized and thereby sealed off to prevent pregnancy.

In accordance with the present invention the difficulty of spotting the probe has been overcome by means of an intrauterine device which may be readily inserted into the uterus to supply electric current in the area to be cauterized. The intrauterine device of the present invention comprises a spring member that is collapsed for insertion into the uterus and thereafter the spring expands to contact the walls of the uterus throughout a substantial area thereof.

The spring member is made of metal, or other material that will conduct electric current, and it is covered with an insulating material. The insulating material is scraped off to bare the metal in that area which will correspond to the area where cauterization is to be effected in the uterus. Electric current is passed through the spring member after it has been inserted into the uterus, with a resulting cauterization in that area where the spring member is bared. Since the spring member will will quite uniformly orient itself in contact throughout a substantial area of the uterus, little, if any, skill is required to place the bared metal in the particular area that is to be cauterized. This is of great advantage since the cauterization may be performed by a midwife, nurse or other semiskilled person and there is no requirement that a physician be present.

The collapsible spring member of the present invention may be constructed in a number of difi'erent ways. For example, the intrauterine spring members described in U.S. Pat. Nos. 3,397,691, 3,410,265 and 3,397,690 may be coated with insulated material and used for carrying out the present invention even though some of these spring members are in contact with only a limited selected area of the walls of the uterus. Best results are achieved, however, when the spring member is is contact throughout a substantial area of the walls of the uterus, and, for this reason, the spring member described in US. Pat. No. 3,397,69l is a preferred structure.

These and other advantages of the present invention may be best understood by reference to the drawings which illustrate preferred embodiments of the present invention and in which:

FIGS. la-lh show a number of spring members which are suitable for use in accordance with the present invention.

FIGS. 2 and 3 illustrate the way in which electric insulation may be applied to the spring member.

FIG. 4 shows a modified form of the spring member of FIG. 2 inserted in the uterus.

In the drawings the same number is employed for identical parts of the described structures. FIG. 1 illustrates a number of collapsible spring members a through I: made of flexible metal or other flexible material that will conduct electricity. In each case thc member is resilient due to the configuration of the flexible metal and, as a result, the member may be collapsed for insertion into the uterus. Once inserted the resilient member will return to its original configuration and automatically orient itself in the uterus. The spring member shown in FIG. may be provided with a pivot as at 10 to increase the flexibility of the member. Each of the spring members is preferably provided with a draw string 11 for removal of the member from the uterus.

The preferred form of structure shown in FIG. 10 comprises a plurality of windings of a stainless steel wire 12 which trace out a three-dimensional volume analogous to that of a flattened spiral spring. In the example shown, the wire is stainless steel of 0.0l8 inch and six windings are employed to give an overall width of about 1.5 inches. The gauge of the wire, the


number of windings and the width of the member may of course be varied. A metal wire is preferably employed in the structure of the spring members of FIGS. la, 1d, 1e, and 1g while a metal leaf spring is used in the structures of FIGS. lb,

10, If and 1h.

As best shown in FIG. 2 an electrically insulated metal wire 14 is attached to the selected spring member (in this case the member of FIG. 1a) and the assembly is provided with a coating of suitable electric insulation 16 which is thereafter removed to expose the bare wire 12 in a selected area as illustrated in FIGS. 2 and 3. After the spring member is inserted into the uterus, wire 14 is connected to a source of electricity conventionally used for cauterization of skin tissue. The pa tient then takes hold of a suitable ground while electric current flows through the assembly to cauterize the uterus in the area of the bared wire 12. Cauterization may be carried out, for example, by feeding a current of 0.25 ampere at 200 volts through the device for a period of about 5 to 7 seconds. After cauterization is complete, the spring member is removed.

FIG. 4 shows the spring member of FIG. 2 inserted in the uterus 18. In this case the spring member was permanently bent at the midpoint 19 before insertion so that the bared wire loops are positioned on opposite sides of the fundus 20 in the area of the fallopian tubes 22. The permanent bend insures a selective orientation of the bared wire for cauterization of the fallopian tubes to seal them off and prevent pregnancy. After the cauterization is complete, the spring member is removed. The patient is examined 2 to 3 weeks later to make sure that the fallopian tubes are indeed closed and, if they are not, the cauterization procedure is repeated. It can be readily seen that the spring member has vast advantages over a normal electric probe. It orients itself in the uterus and there is no need for the extreme skill and precision required to properly spot an electric probe in the area to be cauterized.

The invention is not limited to the embodiments shown, which were chosen solely for the purpose of illustration; it is intended to cover all changes and modifications which do not constitute departures from the spirit and scope of the invention.

What is claimed is:

l. A spring member for use as an electrode in an apparatus for cauterization of the uterus of flexible material that will conduct electricity and is collapsible along a longitudinal axis to a size adapted to be passed through the cervical canal for insertion into the uterus, and is expandable in the uterus in a direction transverse to said longitudinal axis whereby it is selforienting in the uterus, an electric insulating coating except on selected portions of said spring member said selected portions corresponding to the area of the uterus to be cauterized and being automatically aligned with said area by means of the self-orientation of the spring member upon expansion of the spring member in the uterus and an insulated electric conductor attached to said member for feeding an electric current through said member, said conductor being adapted to extend outside the uterus when the member is in place therein.

2. The device of claim 1 wherein the spring member comprises a flattened spiral spring member of resilient material having a plurality of windings which are capable of expanding and contracting, said windings tracing a three-dimensional volume of a generally rectangular shape which contains a central axis of expansion and contraction, said windings being expandable and contractable along axes which are generally parallel to said central axis, the distance between opposite windings measured perpendicularly to said central axis and the distance between the ends of said windings when contracted being such that said spring member when so contracted may be passed through the cervical canal of the user of the device for emplacement and subsequent expansion within the uterus.

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US632559 *May 10, 1899Sep 5, 1899John Andrew FreemanElectromedical appliance.
US662716 *Jul 31, 1900Nov 27, 1900John G L GaedekeIntra-uterine battery.
US2022065 *Jul 7, 1932Nov 26, 1935Frederick C WapplerTherapeutic applicator device
US2102270 *Nov 29, 1935Dec 14, 1937Mortimer N HyamsElectrosurgical device
US2122579 *Jun 13, 1934Jul 5, 1938Meckstroth Louis WIntra-uterine device
US3100489 *Sep 30, 1957Aug 13, 1963Medtronic IncCautery device
US3163165 *Sep 12, 1960Dec 29, 1964Humio IslkawaUterotube-closing instrument
US3306286 *Apr 13, 1965Feb 28, 1967Schueler & CompanyIntrauterine device
US3374788 *Oct 24, 1965Mar 26, 1968Deseret Pharmaceutical CompanyContraceptive devices and methods
US3532095 *Jun 21, 1968Oct 6, 1970Weck & Co Inc EdwardElectrosurgical instrument
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3766666 *Oct 13, 1971Oct 23, 1973Robins Co Inc A HUterine simulator trainer
US3840016 *Mar 7, 1973Oct 8, 1974Lindemann HElectrocoagulation-bougie for the intrauterine tube sterilization
US3973560 *Jul 19, 1974Aug 10, 1976A. H. Robins Company, IncorporatedIntrauterine device of C or omega form
US3985137 *Sep 27, 1974Oct 12, 1976Donohue Brian TTip for veterinary surgical cauterization instrument
US4018220 *Feb 23, 1976Apr 19, 1977Lionel C. R. EmmettMethod of insertion for intrauterine device of C or omega form with tubular inserter
US4103688 *Apr 29, 1976Aug 1, 1978John EdwardsMethod and apparatus for sterilization
US4111196 *Feb 23, 1976Sep 5, 1978Lionel C. R. EmmettIntrauterine contraceptive device of c or omega form with tubular inserter and method of placement
US4616640 *Nov 14, 1983Oct 14, 1986Steven KaaliBirth control method and device employing electric forces
US5188122 *Jun 20, 1990Feb 23, 1993Rocket Of London LimitedMethod of causing endometrial destruction
US5505730 *Jun 24, 1994Apr 9, 1996Stuart D. EdwardsThin layer ablation apparatus
US5558672 *Aug 4, 1994Sep 24, 1996Vidacare, Inc.Thin layer ablation apparatus
US5569241 *Jul 7, 1994Oct 29, 1996Vidacare, Inc.Thin layer ablation apparatus
US5575788 *Oct 6, 1994Nov 19, 1996Stuart D. EdwardsThin layer ablation apparatus
US5681308 *Nov 28, 1994Oct 28, 1997Stuart D. EdwardsAblation apparatus for cardiac chambers
US5769846 *Apr 21, 1995Jun 23, 1998Stuart D. EdwardsFor ablating tissue within a chamber of the heart
US5769880 *Apr 12, 1996Jun 23, 1998NovaceptFor use in delivering energy to tissue for ablation
US5800493 *Apr 26, 1995Sep 1, 1998Gynecare, Inc.Intrauterine ablation system
US5827273 *Apr 5, 1996Oct 27, 1998Stuart D. EdwardsFor ablating a surface in an organ of a body
US5827276 *Dec 12, 1996Oct 27, 1998Board Of Regents Of Univ Of NebraksaApparatus for volumetric tissue ablation
US5855576 *Dec 12, 1996Jan 5, 1999Board Of Regents Of University Of NebraskaMethod for volumetric tissue ablation
US5868740 *Mar 24, 1995Feb 9, 1999Board Of Regents-Univ Of NebraskaMethod for volumetric tissue ablation
US6454765Feb 9, 2000Sep 24, 2002The Board Of Regents Of The University Of NebraskaMethods for volumetric tissue ablation
US6468273Feb 9, 2000Oct 22, 2002The Board Of Regents Of The University Of NebraskaMethods for volumetric tissue ablation
US6575967Feb 9, 2000Jun 10, 2003The Board Of Regents Of The University Of NebraskaMethod and systems for volumetric tissue ablation
US6813520Jun 23, 1998Nov 2, 2004NovaceptMethod for ablating and/or coagulating tissue using moisture transport
US6849063Nov 5, 1999Feb 1, 2005Wit Ip CorporationThermal treatment apparatus
US7512445Aug 3, 2005Mar 31, 2009Cytyc CorporationMoisture transport system for contact electrocoagulation
US7604633Oct 6, 2004Oct 20, 2009Cytyc CorporationMoisture transport system for contact electrocoagulation
US7674260Apr 28, 2005Mar 9, 2010Cytyc CorporationEmergency hemostasis device utilizing energy
US7731712Dec 20, 2004Jun 8, 2010Cytyc CorporationMethod and system for transcervical tubal occlusion
US7846160Dec 21, 2006Dec 7, 2010Cytyc CorporationMethod and apparatus for sterilization
US8486060Sep 18, 2006Jul 16, 2013Cytyc CorporationPower ramping during RF ablation
US8506563Oct 19, 2009Aug 13, 2013Cytyc Surgical ProductsMoisture transport system for contact electrocoagulation
US8551082Mar 19, 2012Oct 8, 2013Cytyc Surgical ProductsRadio-frequency generator for powering an ablation device
USRE37704Mar 28, 2000May 14, 2002Argomed Ltd.Thermal treatment apparatus
DE3717538A1 *May 25, 1987Dec 8, 1988Hermann KeckEmpfaengnisverhuetende vorrichtung
EP0411072A1 *Dec 22, 1989Feb 6, 1991KAALI, StevenElectrified intrauterine device
EP0637943A1 *Apr 22, 1993Feb 15, 1995Vesta Medical, Inc.Endometrial ablation apparatus
WO2006068808A1 *Dec 5, 2005Jun 29, 2006Cytyc CorpMethod and system for transcervical tubal occlusion
U.S. Classification606/49, 128/840, 607/138
International ClassificationA61B18/14, A61B17/42, A61F6/00, A61B17/00, A61F6/14
Cooperative ClassificationA61B2017/00292, A61B2017/4225, A61B2017/4216, A61F6/142, A61B18/1485
European ClassificationA61B18/14S, A61F6/14B