US3405711A - Intrauterine contraceptive device - Google Patents

Intrauterine contraceptive device Download PDF

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US3405711A
US3405711A US567181A US56718166A US3405711A US 3405711 A US3405711 A US 3405711A US 567181 A US567181 A US 567181A US 56718166 A US56718166 A US 56718166A US 3405711 A US3405711 A US 3405711A
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uterus
arms
stem
extremities
intrauterine contraceptive
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Maurice I Bakunin
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F6/00Contraceptive devices; Pessaries; Applicators therefor
    • A61F6/06Contraceptive devices; Pessaries; Applicators therefor for use by females
    • A61F6/14Contraceptive devices; Pessaries; Applicators therefor for use by females intra-uterine type
    • A61F6/142Wirelike structures, e.g. loops, rings, spirals

Definitions

  • Intrauterine contraceptive device which is roughly V- shaped and comprises a central stem having a pair of slender divergent arms formed with bulbous extremities which are engageable with the Fallopian region of the uterus when the stem is in the os, thereby to position and retain the device in the uterus.
  • This invention relates to contraceptive devices of the type intended to be retained in the uterus.
  • Objects of the invention are to provide a novel and improved intrauterine contraceptive device which will be reliably retained in the uterus; a device as thus characterized, which is comfortable and safe to use and which minimizes the likelihood of irritation, chafing and the like; a device as above, which may be easily inserted without requiring special tools or the skills of trained personnel, and also easily removed; a device of the kind outlined, which may serve as a carrier and dispenser for medicaments, therapeutic agents and the like; and a device in accordance with the foregoing which is nevertheless especially simple and economical to manufacture.
  • FIG. 1 is a plan view of the device, disposed in the uterus.
  • FIG. 2 is a view of the device in collapsed condition, as it is being inserted in the uterus.
  • FIG. 3 is a fragmentary view of a modified form of contraceptive device as provided by the invention.
  • FIGS. 1 and 2 there is illustrated a human uterus or womb having an internal os 12, external os 14 and regions 16, 18, to which Fallopian tubes 20, 22 are respectively joined, adjoining the fundus 24.
  • an intrauterine contraceptive device designated generally by the numeral 26, said device comprising a soft, resilient, non-reactive piece which is preferably made of plastic or other suitable resilient material, said piece having in accordance with the present invention a roughly V-shaped portion including a central hollow or tubular stem 28 and a pair of slender divergent arms 30, 32 extending from the stem 28 and having bulbous extremities 34, 36 which are engageable with the Fallopian regions 16, 18 of the uterus.
  • the stem 28 is shown as occupying the mouth or os portions 12, 14 of the uterus.
  • the V-shaped configuration comprising the stem 28 and arms 30, 32 is especially advantageous in effecting a proper positioning of the device 26 in the uterus, as shown in FIG. 1.
  • the arms 30, 32 will extend in the shown divergent directions and the bulbous extremity portions 34, 36 will normally seek the regions 16, 18 and will tend to occupy the mouth areas of the Fallopian tubes 20, 22.
  • This will, in conjunction with the stem 28, eifect a predetermined positioning of the V-shaped portion of the plastic piece in the uterus which, positioning will normally be maintained as long as the device is retained.
  • additional retainer means are provided, including means by which 3,405,71 1 Patented Oct. 15, 1968 "Ice the device 26 comprising the V-shaped portion may be actuated to a collapsed position such as is indicated in FIG. 2.
  • the said means comprises a pair of cross arms 38, 40 joined respectively to the said divergent arms 32, 30 at locations adjacent the extremities 36, 34.
  • the cross arms 38, 40 extend transversely of the divergent arms 30, 32 and have enlargements 42, 44 at their free extremities, for engagement with the walls of the uterus.
  • pendent strings or cords 46, 48 are attached respectively to the enlargements 42, 44 at the free extremities of the cross arms 38, 40 to enable the latter to be shifted for the purpose of folding the device to a smaller size.
  • FIG. 2 wherein arrows indicate a pulling force on the cords 46, 48 forcing the cross arms 38, 40 and also the divergent arms 30, 32 to be folded toward each other so that the device 26 has a more compact configuration.
  • the plastic piece 26 is preferably made of a yieldable and resilient or flexible plastic substance, such as that knownby the trade name Alathon or of similar stable and non-reactive plastic formulations including polyethylene, polypropylene and the like; or the piece can be made of non-plastic substances which might be found to be suitable.
  • the cords 46, 48 are preferably of nylon or similar strong plastic.
  • a handle 50 is provided, connected to the stem 28 by a frangible connector 52, constituting a detachable or separable connection.
  • the device 26 may be arranged by pulling on the cords 46, 48 to occupy a size small enough to facilitate its insertion in the uterus 10.
  • the user With the device maintained in the collapsed condition shown in FIG. 2, the user while grasping the handle 50 and the cords 46, 48 can insert the device by careful manipulation into the uterus, this being possible Without the necessity for a special tool and without requiring specialized skills.
  • the user breaks off the handle 50 and removes it, by a simple twisting movement, this being made possible by virtue of the frangible reduced connector portion 52.
  • FIG. 3 A modification of the invention is illustrated in FIG. 3, wherein the contraceptive device 26a has divergent arms 30a, 32a which are hollow or tubular, and wherein the bulbous extremities 34a, 36a are also hollow.
  • the extremity 34a is shown as having openings 58
  • the bulbous extremity 36a is shown as having a hollow protuberance 60.
  • the protuberance 60 tends to seek the opening at the Fallopian tube, aiding in the positioning of the device.
  • the cross arms 38a, 40a and the enlargements thereof may also be made hollow as shown.
  • the arms 32a and 38a may have openings 32b and 38b respectively.
  • the hollow arms and the enlargements or bulbous extremities may contain a medicament or other substance intended to be discharged slowly into the uterus or Fallopian tubes.
  • treatment or other action may be etfected, by means of the hollow device 26a containing the desired treating substances.
  • a simple and effective intrauterine contraceptive device comprising a flexible or resilient plastic piece having a unique configuration by which it is accommodated and retained in the human uterus, and by which portions may be disposed adjacent the opening of the Fallopian tubes.
  • the device is operable to place it in collapsed condition, and may be readily inserted in the uterus by a relatively unskilled person, without the use of special tools. Further, by the provision of the nylon cords, the device at a later time may be readily removed at the will of the user.
  • the likelihood of chafing is minimized by the provision of the bulbous extremities or enlargement, and the soft, yieldable nature of the plastic, and it will be understood that the arms 30, 32, 38 and 40 are of relatively thin cross section and characterized by a great yieldability, whereby there is a minimum of discomfort and tendency to irritation.
  • An intrauterine contraceptive device comprising a flexible piece having a roughly V-shaped portion including a central stem and a pair of slender divergent arms extending from the stem, said V-shaped portion being adapted to fit in the human uterus with the stem at the inner as, said arms having bulbous extremities engageable with the Fallopian region of the uterus to effect, in conjunction with the stem placement in the os, a predetermined positioning of said V-shaped portion in the uterus, and having cross arms joined respectively to them at locations adjacent the said bulbous extremities, said cross arms extending transversely of the divergent arms and having enlargements at their free extremities for engagement with the walls of the uterus.
  • a device as in claim 1 and including cords attached to the free extremities of the cross arms, to effect a shifting of the same for the purpose of folding the device to a smaller size.
  • An intrauterine contraceptive device comprising a flexible piece having a roughly V-shaped portion including a central stem and a pair of slender divergent arms extending from the stem, said V-shaped portion being adapted to fit in the human uterus with the stem at the inner os, said arms having bulbous extremities engageable with the Fallopian region of the uterus to effect, in conjunction with the stern placement in the 0s, a predetermined positioning of said V-shaped portion in the uterus, said central stem having an elongate handle and a frangible connector tie detachably joining the handle to said stem.
  • An intrauterine contraceptive device comprising a flexible piece having a roughly V-shaped portion including a central stem and a pair of slender divergent arms extending from the stern, said V-shaped portion being adapted to fit in the human uterus with the stem at the inner os, said arms having bulbous extremities engageable with the Fallopian region of the uterus to effect, in conjunction with the stem placement in the 0s, a predetermined positioning of said V-shaped portion of the uterus, said arms and bulbous extremities being hollow, said extremities having openings to permit the passage of substances disposed within the arms and extremities.

Description

0a. 15, 1968 M. 1. BAKUNIN 3,4
INTRAUTERINE CONTRACEPTIVE DEVICE v Filed July 22, 1966 2 Sheets-Sheet 1 INVENTOR. Maumce 1. Bakunln 0 1963 M. BAKUNIN 3,405,711
INTRAUTERINE CONTRACEPTIVE DEVICE Filed July 22. 1966 2 Sheets-Sheet 2 INVENTOR. Maumce LBaKunin United States Patent 3,405,711 INTRAUTERINE CONTRACEPTIVE DEVICE Maurice I. Bakunin, 881 Lafayette St., Bridgeport, Conn. 06603 Filed July 22, 1966, Ser. No. 567,181 7 Claims. (Cl. 128-430) ABSTRACT OF THE DISCLOSURE Intrauterine contraceptive device which is roughly V- shaped and comprises a central stem having a pair of slender divergent arms formed with bulbous extremities which are engageable with the Fallopian region of the uterus when the stem is in the os, thereby to position and retain the device in the uterus.
This invention relates to contraceptive devices of the type intended to be retained in the uterus.
Objects of the invention are to provide a novel and improved intrauterine contraceptive device which will be reliably retained in the uterus; a device as thus characterized, which is comfortable and safe to use and which minimizes the likelihood of irritation, chafing and the like; a device as above, which may be easily inserted without requiring special tools or the skills of trained personnel, and also easily removed; a device of the kind outlined, which may serve as a carrier and dispenser for medicaments, therapeutic agents and the like; and a device in accordance with the foregoing which is nevertheless especially simple and economical to manufacture.
Other features and advantages will hereinafter appear.
In the drawings:
FIG. 1 is a plan view of the device, disposed in the uterus.
FIG. 2 is a view of the device in collapsed condition, as it is being inserted in the uterus.
FIG. 3 is a fragmentary view of a modified form of contraceptive device as provided by the invention.
Referring to FIGS. 1 and 2, there is illustrated a human uterus or womb having an internal os 12, external os 14 and regions 16, 18, to which Fallopian tubes 20, 22 are respectively joined, adjoining the fundus 24.
Disposed in the uterus 10 is an intrauterine contraceptive device designated generally by the numeral 26, said device comprising a soft, resilient, non-reactive piece which is preferably made of plastic or other suitable resilient material, said piece having in accordance with the present invention a roughly V-shaped portion including a central hollow or tubular stem 28 and a pair of slender divergent arms 30, 32 extending from the stem 28 and having bulbous extremities 34, 36 which are engageable with the Fallopian regions 16, 18 of the uterus. The stem 28 is shown as occupying the mouth or os portions 12, 14 of the uterus.
The V-shaped configuration comprising the stem 28 and arms 30, 32 is especially advantageous in effecting a proper positioning of the device 26 in the uterus, as shown in FIG. 1. For, with the stem 28 at the mouth of the uterus, the arms 30, 32 will extend in the shown divergent directions and the bulbous extremity portions 34, 36 will normally seek the regions 16, 18 and will tend to occupy the mouth areas of the Fallopian tubes 20, 22. This will, in conjunction with the stem 28, eifect a predetermined positioning of the V-shaped portion of the plastic piece in the uterus which, positioning will normally be maintained as long as the device is retained.
Further, in accordance with the invention, additional retainer means are provided, including means by which 3,405,71 1 Patented Oct. 15, 1968 "Ice the device 26 comprising the V-shaped portion may be actuated to a collapsed position such as is indicated in FIG. 2. The said means comprises a pair of cross arms 38, 40 joined respectively to the said divergent arms 32, 30 at locations adjacent the extremities 36, 34. The cross arms 38, 40 extend transversely of the divergent arms 30, 32 and have enlargements 42, 44 at their free extremities, for engagement with the walls of the uterus. Further, in accordance with the invention, pendent strings or cords 46, 48 are attached respectively to the enlargements 42, 44 at the free extremities of the cross arms 38, 40 to enable the latter to be shifted for the purpose of folding the device to a smaller size. This is illustrated in FIG. 2 wherein arrows indicate a pulling force on the cords 46, 48 forcing the cross arms 38, 40 and also the divergent arms 30, 32 to be folded toward each other so that the device 26 has a more compact configuration.
The plastic piece 26 is preferably made of a yieldable and resilient or flexible plastic substance, such as that knownby the trade name Alathon or of similar stable and non-reactive plastic formulations including polyethylene, polypropylene and the like; or the piece can be made of non-plastic substances which might be found to be suitable. The cords 46, 48 are preferably of nylon or similar strong plastic.
Further, in accordance with the invention, a handle 50 is provided, connected to the stem 28 by a frangible connector 52, constituting a detachable or separable connection. Thus, as seen in FIG. 2, the device 26 may be arranged by pulling on the cords 46, 48 to occupy a size small enough to facilitate its insertion in the uterus 10.
With the device maintained in the collapsed condition shown in FIG. 2, the user while grasping the handle 50 and the cords 46, 48 can insert the device by careful manipulation into the uterus, this being possible Without the necessity for a special tool and without requiring specialized skills. After the insertion to the approximate position illustrated in FIG. 1, the user breaks off the handle 50 and removes it, by a simple twisting movement, this being made possible by virtue of the frangible reduced connector portion 52.
The tendency to opening up or extension of the device to the configuration shown in FIG. 1 wherein the cross arm 38, 40 engage the side walls of the uterus and wherein the extremity 34, 36 become located in the regions 16, 18 respectively of the Fallopian tubes, causes a retention of the device in the uterus, whereby it will not be accidentally expelled.
It is understood by those skilled in the art that the presence of a foreign structure in the uterus has the elfect of preventing contraception. The normal peristaltic action of the uterus and Fallopian tubes, and the action of the cilia of the Fallopian tubes results in a suction elfect which tends to seat the enlargements 34, 36 in conjunction with the shape of the uterus, in the areas 16, 18 as illustrated in FIG. 1.
A modification of the invention is illustrated in FIG. 3, wherein the contraceptive device 26a has divergent arms 30a, 32a which are hollow or tubular, and wherein the bulbous extremities 34a, 36a are also hollow. The extremity 34a is shown as having openings 58, and the bulbous extremity 36a is shown as having a hollow protuberance 60. The protuberance 60 tends to seek the opening at the Fallopian tube, aiding in the positioning of the device. Further, the cross arms 38a, 40a and the enlargements thereof may also be made hollow as shown. The arms 32a and 38a may have openings 32b and 38b respectively. The hollow arms and the enlargements or bulbous extremities may contain a medicament or other substance intended to be discharged slowly into the uterus or Fallopian tubes. Thus, treatment or other action may be etfected, by means of the hollow device 26a containing the desired treating substances.
It will now be seen from the foregoing that I have provided a simple and effective intrauterine contraceptive device comprising a flexible or resilient plastic piece having a unique configuration by which it is accommodated and retained in the human uterus, and by which portions may be disposed adjacent the opening of the Fallopian tubes. The device is operable to place it in collapsed condition, and may be readily inserted in the uterus by a relatively unskilled person, without the use of special tools. Further, by the provision of the nylon cords, the device at a later time may be readily removed at the will of the user. The likelihood of chafing is minimized by the provision of the bulbous extremities or enlargement, and the soft, yieldable nature of the plastic, and it will be understood that the arms 30, 32, 38 and 40 are of relatively thin cross section and characterized by a great yieldability, whereby there is a minimum of discomfort and tendency to irritation.
With the organization illustrated in FIG. 3, suction action in the Fallopian tubes 20, 22 tends to release or suck out the medication in the device 26a, as will now be understood.
Variations and modifications may be made within the scope of the claims, and portions of the improvement may be used without others.
I claim:
1. An intrauterine contraceptive device comprising a flexible piece having a roughly V-shaped portion including a central stem and a pair of slender divergent arms extending from the stem, said V-shaped portion being adapted to fit in the human uterus with the stem at the inner as, said arms having bulbous extremities engageable with the Fallopian region of the uterus to effect, in conjunction with the stem placement in the os, a predetermined positioning of said V-shaped portion in the uterus, and having cross arms joined respectively to them at locations adjacent the said bulbous extremities, said cross arms extending transversely of the divergent arms and having enlargements at their free extremities for engagement with the walls of the uterus.
2. A device as in claim 1, and including cords attached to the free extremities of the cross arms, to effect a shifting of the same for the purpose of folding the device to a smaller size.
3. A device as in claim 1, wherein the divergent arms and cross arms and the bulbous extremities and enlargements thereof are hollow, said extremities and enlargements having discharge openings to permit the passage of substances disposed within the arms.
4. A device as in claim 1, wherein the divergent arms tend to outline a V-shape, and wherein each one of the cross arms and its associated divergent arm tend to outline a V-shape.
5. An intrauterine contraceptive device comprising a flexible piece having a roughly V-shaped portion including a central stem and a pair of slender divergent arms extending from the stem, said V-shaped portion being adapted to fit in the human uterus with the stem at the inner os, said arms having bulbous extremities engageable with the Fallopian region of the uterus to effect, in conjunction with the stern placement in the 0s, a predetermined positioning of said V-shaped portion in the uterus, said central stem having an elongate handle and a frangible connector tie detachably joining the handle to said stem.
6. An intrauterine contraceptive device comprising a flexible piece having a roughly V-shaped portion including a central stem and a pair of slender divergent arms extending from the stern, said V-shaped portion being adapted to fit in the human uterus with the stem at the inner os, said arms having bulbous extremities engageable with the Fallopian region of the uterus to effect, in conjunction with the stem placement in the 0s, a predetermined positioning of said V-shaped portion of the uterus, said arms and bulbous extremities being hollow, said extremities having openings to permit the passage of substances disposed within the arms and extremities.
7. A device as in claim 6, and including a hollow and tubular protuberance on a bulbous extremity, arranged for disposition in the mouth of a Fallopian tube of the uterus.
References Cited UNITED STATES PATENTS 662,716 11/1900 Gaedeke 128130 1,982,001 11/1934 Haas 128-130 2,232,258 2/1941 McCormick et a1. 128l31 3,200,815 8/1965 Margulies 128-130 3,234,938 2/1966 Robinson 128-130 ADELE M. EAGER, Primary Examiner.
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Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3628530A (en) * 1969-03-24 1971-12-21 Jerome Schwartz Intrauterine device for contraception
US3675639A (en) * 1970-05-11 1972-07-11 Hugo S Cimber Device for and method of temporary sterilizing a female
US3683905A (en) * 1970-03-16 1972-08-15 Marc E Chaft Intra-uterine contraceptive devices
US3779241A (en) * 1971-10-20 1973-12-18 Ethyl Corp Intrauterine contraceptive device and method for its use
US3802425A (en) * 1971-10-14 1974-04-09 T Moulding Intrauterine contraceptive device
US3911911A (en) * 1969-06-16 1975-10-14 Reese Hospital Michael Anti-fertility device
US3933152A (en) * 1971-10-14 1976-01-20 Moulding Thomas S Intrauterine contraceptive device
US3991760A (en) * 1975-12-02 1976-11-16 The Procter & Gamble Company Vaginal medicament dispensing means
US3995633A (en) * 1975-12-02 1976-12-07 The Procter & Gamble Company Vaginal Medicament dispensing device
US3996932A (en) * 1974-03-18 1976-12-14 Laszlo Kalman Csatary Intra-uterine contraceptive device
EP0010812A1 (en) * 1978-10-26 1980-05-14 Karel Johan Hendrik Verschoof Contraceptive device
EP0070068A2 (en) * 1981-07-14 1983-01-19 Cimber, Hugo, Dr. med. Occlusive pessary
EP0117818A1 (en) * 1983-03-01 1984-09-05 LABORATOIRE CENTRAL DE CHIMIOTHERAPIE ET DERMOCHIMIE ( C.C.D.) Société anonyme dite: Intrauterine contraceptive device
US4537186A (en) * 1982-05-17 1985-08-27 Verschoof Karel J H Contraceptive device
US4628924A (en) * 1983-01-20 1986-12-16 Hugo Cimber Intrauterine contraceptive device
EP0208653A1 (en) * 1985-07-11 1987-01-14 Cimber, Hugo, Dr. med. Occlusive pessary
US4724832A (en) * 1984-09-18 1988-02-16 Strubel Bernd Jochen Size-variable intrauterine pressay and contraceptive device
US4841991A (en) * 1987-09-03 1989-06-27 Nauchno-Proizvodstvennoe Obiedinenie "Medinstrument" Intrauterine contraceptive device
WO1990001310A1 (en) * 1988-08-12 1990-02-22 Jason Otto Gardosi Intrauterine contraceptive device and forceps for removal
US5935137A (en) * 1997-07-18 1999-08-10 Gynecare, Inc. Tubular fallopian sterilization device
US6679266B2 (en) 1995-06-07 2004-01-20 Conceptus, Inc. Contraceptive transcervical fallopian tube occlusion devices and their delivery
US6684884B2 (en) 1995-06-07 2004-02-03 Conceptus, Inc. Contraceptive transcervical fallopian tube occlusion devices and methods
US20050187561A1 (en) * 2004-02-25 2005-08-25 Femasys, Inc. Methods and devices for conduit occlusion
US20080047563A1 (en) * 2005-02-15 2008-02-28 Tal Michael G Intrauterine fallopian tube occlusion device
US20090178682A1 (en) * 2005-02-15 2009-07-16 Tal Michael G Intrauterine fallopian tube occlusion device
US8048101B2 (en) 2004-02-25 2011-11-01 Femasys Inc. Methods and devices for conduit occlusion
US8052669B2 (en) 2004-02-25 2011-11-08 Femasys Inc. Methods and devices for delivery of compositions to conduits
US8662081B2 (en) 2005-02-15 2014-03-04 Yale University Intrauterine device
US9180039B2 (en) 2010-08-16 2015-11-10 Yale University Intrauterine device
US9238127B2 (en) 2004-02-25 2016-01-19 Femasys Inc. Methods and devices for delivering to conduit
US9554826B2 (en) 2008-10-03 2017-01-31 Femasys, Inc. Contrast agent injection system for sonographic imaging
US10070888B2 (en) 2008-10-03 2018-09-11 Femasys, Inc. Methods and devices for sonographic imaging
US10905583B2 (en) * 2014-12-11 2021-02-02 Ocon Medical Ltd. Device positionable in the uterine cavity

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US1982001A (en) * 1933-01-19 1934-11-27 Earle C Haas Pessary
US2232258A (en) * 1938-06-14 1941-02-18 Mccormick William Klie Pessary
US3200815A (en) * 1962-04-24 1965-08-17 Mount Sinai Hospital Res Found Coil spring intra-uterine contraceptive device and method of using
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US662716A (en) * 1900-07-31 1900-11-27 John G L Gaedeke Intra-uterine battery.
US1982001A (en) * 1933-01-19 1934-11-27 Earle C Haas Pessary
US2232258A (en) * 1938-06-14 1941-02-18 Mccormick William Klie Pessary
US3200815A (en) * 1962-04-24 1965-08-17 Mount Sinai Hospital Res Found Coil spring intra-uterine contraceptive device and method of using
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Cited By (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3628530A (en) * 1969-03-24 1971-12-21 Jerome Schwartz Intrauterine device for contraception
US3911911A (en) * 1969-06-16 1975-10-14 Reese Hospital Michael Anti-fertility device
US3683905A (en) * 1970-03-16 1972-08-15 Marc E Chaft Intra-uterine contraceptive devices
US3675639A (en) * 1970-05-11 1972-07-11 Hugo S Cimber Device for and method of temporary sterilizing a female
US3802425A (en) * 1971-10-14 1974-04-09 T Moulding Intrauterine contraceptive device
US3933152A (en) * 1971-10-14 1976-01-20 Moulding Thomas S Intrauterine contraceptive device
US3779241A (en) * 1971-10-20 1973-12-18 Ethyl Corp Intrauterine contraceptive device and method for its use
US3996932A (en) * 1974-03-18 1976-12-14 Laszlo Kalman Csatary Intra-uterine contraceptive device
US3995633A (en) * 1975-12-02 1976-12-07 The Procter & Gamble Company Vaginal Medicament dispensing device
US3991760A (en) * 1975-12-02 1976-11-16 The Procter & Gamble Company Vaginal medicament dispensing means
EP0010812A1 (en) * 1978-10-26 1980-05-14 Karel Johan Hendrik Verschoof Contraceptive device
EP0070068A2 (en) * 1981-07-14 1983-01-19 Cimber, Hugo, Dr. med. Occlusive pessary
EP0070068A3 (en) * 1981-07-14 1983-10-19 Hugo Dr. Med. Cimber Occlusive pessary
US4612924A (en) * 1981-07-14 1986-09-23 Hugo Cimber Intrauterine contraceptive device
US4537186A (en) * 1982-05-17 1985-08-27 Verschoof Karel J H Contraceptive device
US4628924A (en) * 1983-01-20 1986-12-16 Hugo Cimber Intrauterine contraceptive device
EP0117818A1 (en) * 1983-03-01 1984-09-05 LABORATOIRE CENTRAL DE CHIMIOTHERAPIE ET DERMOCHIMIE ( C.C.D.) Société anonyme dite: Intrauterine contraceptive device
FR2541891A1 (en) * 1983-03-01 1984-09-07 Central Chimiotherap Lab INTRA-UTERINE CONTRACEPTIVE DEVICE
US4724832A (en) * 1984-09-18 1988-02-16 Strubel Bernd Jochen Size-variable intrauterine pressay and contraceptive device
EP0208653A1 (en) * 1985-07-11 1987-01-14 Cimber, Hugo, Dr. med. Occlusive pessary
US4841991A (en) * 1987-09-03 1989-06-27 Nauchno-Proizvodstvennoe Obiedinenie "Medinstrument" Intrauterine contraceptive device
WO1990001310A1 (en) * 1988-08-12 1990-02-22 Jason Otto Gardosi Intrauterine contraceptive device and forceps for removal
US8327852B2 (en) 1995-06-07 2012-12-11 Conceptus, Inc. Occlusion devices and methods
US7686020B2 (en) 1995-06-07 2010-03-30 Conceptus, Inc. Contraceptive transcervical fallopian tube occlusion devices and methods
US6684884B2 (en) 1995-06-07 2004-02-03 Conceptus, Inc. Contraceptive transcervical fallopian tube occlusion devices and methods
US20040159324A1 (en) * 1995-06-07 2004-08-19 Conceptus, Inc. Contraceptive transcervical fallopian tube occlusion devices and their delivery
US8733361B2 (en) 1995-06-07 2014-05-27 Bayer Essure Inc. Occlusion devices and methods
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