US3438369A - Intrauterine device - Google Patents

Info

Publication number: US3438369A
Authority: US; United States
Prior art keywords: body portion; intrauterine device; legs; base; lobes
Prior art date: 1966-03-11
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Lifetime

Application number

US533543A

Inventor

Michael S Burnhill

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

ICD CORP

Original Assignee

I C D Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1966-03-11

Filing date

1966-03-11

Publication date

1969-04-15

1966-03-11Application filed by I C D CorpfiledCriticalI C D Corp

1969-04-15Application grantedgrantedCritical

1969-04-15Publication of US3438369ApublicationCriticalpatent/US3438369A/en

1986-04-15Anticipated expirationlegal-statusCritical

StatusExpired - Lifetimelegal-statusCriticalCurrent

Images

Classifications

- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F6/00—Contraceptive devices; Pessaries; Applicators therefor
- A61F6/06—Contraceptive devices; Pessaries; Applicators therefor for use by females
- A61F6/14—Contraceptive devices; Pessaries; Applicators therefor for use by females intra-uterine type
- A61F6/142—Wirelike structures, e.g. loops, rings, spirals

Definitions

the present inventionrelates to an intrauterine device and more particularly to an improved intrauterine device which will resist efforts by the uterus to eject it.
the present inventionis an improvement over these prior intrauterine devices and has for one of its objects the provision of an improved intrauterine device which will not be ejected from the uterus.
Another object of the present inventionis the provision of an improved intrauterine device which can be easily introduced into the uterus.
Another object of the present inventionis the provision of an improved intrauterine device which is of simple construction.
Another object of the present inventionis the provision of an improved intrauterine device in which folding of the device is facilitated.
FIG. 1is a perspective view showing one embodiment of the intrauterine device of the present invention
FIG. 2is a diagrammatic view of the uterus showing the intrauterine device shown in FIG. 1 positioned in the uterus;
FIG. 3is a side view of the intrauterine device positioned in the uterus
FIG. 4is a front view of another form of the intrauterine device in accordance with the present invention.
FIG. 5is an exaggerated side view of the embodiment shown in FIG. 4;
FIG. 6is another modification of the intrauterine device of the present invention.
FIG. 7is another modification of the present intrauterine device
FIG. 8is another modification of the present intrauterine device
FIG. 9shows another form of the present invention.
FIG. 10is another embodiment similar to FIG. 9;
FIG. 11is still another embodiment of the present invention.
FIG. 12is a side view of the intrauterine device shown in FIG. 11;
FIG. 13is a side view showing the position of the device shown in MG. 12 when in use.
FIG. 14shows another embodiment similar to FIG. 11.
the present inventioncomprises an intrauterine device having a front body portion 2 and a real body portion 3 integral with each other and preferably of symmetrical configuration.
the front body portion 2is substantially in the form of a truncated triangle and comprises front and rear bases 4 and 5, respectively, joined by legs 6 and 7.
the rear body portion 3is also substantially triangular and comprises a rear base 8 and legs 9 and 10 which form an apex 11 integral with the rear base 5 of front body portion 2 at substantially its midpont.
the corners 12 and 13 which connect the rear base 8 and legs 9 and 10, respectively,are each made of much thinner material.
the intrauterine device 1is inserted into the uterus (shown diagrammatically in BIG. 2) and lies in the uterus as shown in FIG. 2 and FIG. 3 with the rear body portion 3 in the fundus portion and the front portion in the isthmic portion.
the wall of the uterus 14will hold the intrauterine device 1 tightly in place by applying pressure to the legs 6 and 7 of body portion 2 and legs 9 and 10 of body portion 3 thereof to snugly hold the posterior and anterior portions of the device.
the intrauterine devicelies more comfortably in the uterus and will not be ejected.
the intrauterine devicemay be bowed or curved as it is shown in FIG. 3.
FIG. 4The modification shown in FIG. 4 is similar to the one shown in FIGS. 1 to 3. However instead of the front body portion 2 having a front base 4, the legs 6 and 7 converge on each other to form an apex 16.
FIG. 5is similar to the structure shown in FIG. 4.
the legs 9 and 10 of the rear body portion 3are tapered in cross section and are thicker than the cross section of the legs of the front body portion in order to permit more pressure to be applied to the fundus: portion of the uterus than to isthmic portion.
the embodiment shown in 'FIG. 6illustrates an in trauterine device in which rear, intermediate and front body portions 20, 21 and 22, respectively, are provided.
the rear body portion 20has rear and front bases 23 and 24, respectively, connected together by angled legs 25.
Intermediate body portion 21has rear and front bases 26 and 27, respectively, connected together by angled legs 28.
Front body portion 22has rear and front bases 29 and 30, respectively, connected together by angled legs 31.
the front base 24 of rear body portion 20 and rear base -26 of intermediate body portion 21are connected together by a stem 32.
the front base 27 of intermediate body portion 21 and rear base 29 of front body portion 22are connected together by stem 33.
the legs 25, 28 and 31are preferably in axial alignment with each other to give the devicve the general appearance of a truncated triangle. 'It will be understood that while three body portions 20, 21 and 22 have been shown in FIG. 6, the device may utilize any number of body portions, as may be desired, without departing from the scope of the invention.
FIG. 7has a body portion 35 comprising rear and front bases 36 and 37, respectively, connected together by angled legs 38.
An elongated stem 39extends from front base 37. Portions of the stem 39 are axially aligned with legs 38 to give the device a generally triangular configuration.
FIG. 8The embodiment in FIG. 8 is similar to that of FIG. 7 in that it has a body portion 40 having front and rear bases 41 and 42, respectively, connected by legs 43. However the stem 44 extends from the rear or longer base '42 rather than from the front or shorter base as in FIG. 7.
the embodiment in FIIG. 9shows'a body portion 45 having front and rear bases 46 and 47, respectively, connected together by legs 48.
a stem 49extends from the rear base 47 and is provided with diverging integrally formed closed pressure lobes 50 which are connected to stem 49 by stem branches 51 which are radially angled with respect to each other.
the pressure lobes 50as shown in the drawings as being rectangular with round corners, however, it will be understood, the lobes 50 may assume any desired configuration.
the pressure lobes 50are adapted to apply pressure to the side walls of the uterus when it is inserted therein.
FIG. 10is a modified form of the structure shown in FIG. 9.
the device shown in FIG. 10includes a body portion 45 and a pair of pressure lobes 50. However the lobes 50 are independently mounted on the body portion 45 by a pair of stems 53.
PlIGS. 11, 12 and 13shows another embodiment which is provided with a body portion 55 and a pair of anterior and posterior pressure lobes 56 and 57, respectively, connected to the body portion by stems 58.
the pressure lobesare angled to each other and to the plane of the body portion 55 and are biased in an outward direction. tIn the uterus the lobes are squeezed together as shown in FIG. 13. The tendency of the lobes to spread apart will hold the device firmly in place.
FIG. 14is similar to the one shown in FIGS. 11 to 13. However the lobes 56 and 57 extend from a common stem 59 rather than separate stems.
the present inventionprovides an improved intrauterine device which resists expulsion because of the lateral compression of the end legs by the walls of the uterus and because of the bow effect given to the rear base by the compression of the end legs.
An intrauterine devicecomprising a front body portion and at least one rear body portion integral with said front body portion, said front body portion having a substantially straight rear base and a pair of legs integral with the rear base and extending therefrom in a direction away from the rear base, the rear body portion being connected to, integral with and extending from the rear base of the front body portion.
An intrauterine devicecomprising a front body portion having a straight rear base and a pair of legs integral with and extending from the rear base in a direction away from the rear base, at least one pressure lobe extending rearwardly from said rear base of the front body portion in a direction opposite to the direction of the legs and being integral with and connected to said rear base of the front body portion.
An intrauterine devicecomprising a body portion having rear and front bases, end legs connecting said bases together and an undulating stem extending from one of said bases.

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Health & Medical Sciences (AREA)
Reproductive Health (AREA)
Engineering & Computer Science (AREA)
Biomedical Technology (AREA)
Heart & Thoracic Surgery (AREA)
Vascular Medicine (AREA)
Life Sciences & Earth Sciences (AREA)
Animal Behavior & Ethology (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Orthopedics, Nursing, And Contraception (AREA)

Description

April 15, 1969 M. s. BURNHILL INTRAUTERINE DEVICE Filed March 11, 1966 United States Patent 3,438,369 INTRAUTERINE DEVICE Michael S. Burnhill, Brooklyn, N.Y., assignor to LCD. Corporation, Brooklyn, N.Y., a corporation of New York Filed Mar. 11, 1966, Ser. No. 533,543 Int. Cl. A61f /46 US. Cl. 128-130 19 Claims ABSTRACT OF THE DISCLOSURE The present invention relates to an intrauterine device and more particularly to an improved intrauterine device which will resist efforts by the uterus to eject it.

For a number of years intrauterine devices have been used which have a number of constructions, for example, rings and coils have also been used in recent years a bow has become prevalent.

The present invention is an improvement over these prior intrauterine devices and has for one of its objects the provision of an improved intrauterine device which will not be ejected from the uterus.

Another object of the present invention is the provision of an improved intrauterine device which can be easily introduced into the uterus.

Another object of the present invention is the provision of an improved intrauterine device which is of simple construction.

Another object of the present invention is the provision of an improved intrauterine device in which folding of the device is facilitated.

Other and further objects of the invention will be obvious upon an understanding of the illustrative embodiment about to be described, or will be indicated in the appended claims, and various advantages not referred to herein will occur to one skilled in the art upon employment of the invention in practice.

A preferred embodiment of the invention has been chosen for purposes of illustration and description and is shown in the accompanying drawings, forming a part of the specification, wherein:

FIG. 1 is a perspective view showing one embodiment of the intrauterine device of the present invention;

FIG. 2 is a diagrammatic view of the uterus showing the intrauterine device shown in FIG. 1 positioned in the uterus;

FIG. 3 is a side view of the intrauterine device positioned in the uterus;

FIG. 4 is a front view of another form of the intrauterine device in accordance with the present invention;

FIG. 5 is an exaggerated side view of the embodiment shown in FIG. 4;

FIG. 6 is another modification of the intrauterine device of the present invention;

FIG. 7 is another modification of the present intrauterine device;

FIG. 8 is another modification of the present intrauterine device;

FIG. 9 shows another form of the present invention;

FIG. 10 is another embodiment similar to FIG. 9;

FIG. 11 is still another embodiment of the present invention;

FIG. 12 is a side view of the intrauterine device shown in FIG. 11;

FIG. 13 is a side view showing the position of the device shown in MG. 12 when in use; and

FIG. 14 shows another embodiment similar to FIG. 11.

Referring to the drawings and more particularly to FlIGS. l to 3, the present invention comprises an intrauterine device having afront body portion 2 and a real body portion 3 integral with each other and preferably of symmetrical configuration. Thefront body portion 2 is substantially in the form of a truncated triangle and comprises front and

rear bases

4 and 5, respectively, joined by

legs

6 and 7. The rear body portion 3 is also substantially triangular and comprises a rear base 8 andlegs 9 and 10 which form an apex 11 integral with therear base 5 offront body portion 2 at substantially its midpont. In order to facilitate flexing of the device, the

corners

12 and 13 which connect the rear base 8 andlegs 9 and 10, respectively, are each made of much thinner material.

Theintrauterine device 1 is inserted into the uterus (shown diagrammatically in BIG. 2) and lies in the uterus as shown in FIG. 2 and FIG. 3 with the rear body portion 3 in the fundus portion and the front portion in the isthmic portion. The wall of theuterus 14 will hold theintrauterine device 1 tightly in place by applying pressure to the

legs

6 and 7 ofbody portion 2 andlegs 9 and 10 of body portion 3 thereof to snugly hold the posterior and anterior portions of the device. Hence the intrauterine device lies more comfortably in the uterus and will not be ejected. If desired the intrauterine device may be bowed or curved as it is shown in FIG. 3.

The modification shown in FIG. 4 is similar to the one shown in FIGS. 1 to 3. However instead of thefront body portion 2 having afront base 4, the

legs

6 and 7 converge on each other to form an apex 16.

The embodiment shown in FIG. 5 is similar to the structure shown in FIG. 4. However thelegs 9 and 10 of the rear body portion 3 are tapered in cross section and are thicker than the cross section of the legs of the front body portion in order to permit more pressure to be applied to the fundus: portion of the uterus than to isthmic portion.

The embodiment shown in 'FIG. 6 illustrates an in trauterine device in which rear, intermediate and

front body portions

20, 21 and 22, respectively, are provided. Therear body portion 20 has rear and

front bases

23 and 24, respectively, connected together byangled legs 25.Intermediate body portion 21 has rear and

front bases

26 and 27, respectively, connected together byangled legs 28.Front body portion 22 has rear and

front bases

29 and 30, respectively, connected together byangled legs 31.

Thefront base 24 ofrear body portion 20 and rear base -26 ofintermediate body portion 21 are connected together by a stem 32. Thefront base 27 ofintermediate body portion 21 andrear base 29 offront body portion 22 are connected together bystem 33. The

legs

25, 28 and 31 are preferably in axial alignment with each other to give the devicve the general appearance of a truncated triangle. 'It will be understood that while three

body portions

20, 21 and 22 have been shown in FIG. 6, the device may utilize any number of body portions, as may be desired, without departing from the scope of the invention.

The embodiment shown in FIG. 7 has abody portion 35 comprising rear and

front bases

36 and 37, respectively, connected together byangled legs 38. Anelongated stem 39 extends fromfront base 37. Portions of thestem 39 are axially aligned withlegs 38 to give the device a generally triangular configuration.

The embodiment in FIG. 8 is similar to that of FIG. 7 in that it has abody portion 40 having front and

rear bases

41 and 42, respectively, connected bylegs 43. However thestem 44 extends from the rear or longer base '42 rather than from the front or shorter base as in FIG. 7.

The embodiment in FIIG. 9 shows'abody portion 45 having front and

rear bases

46 and 47, respectively, connected together bylegs 48. Astem 49 extends from therear base 47 and is provided with diverging integrally formed closedpressure lobes 50 which are connected tostem 49 by stem branches 51 which are radially angled with respect to each other. Thepressure lobes 50 as shown in the drawings as being rectangular with round corners, however, it will be understood, thelobes 50 may assume any desired configuration. Thepressure lobes 50 are adapted to apply pressure to the side walls of the uterus when it is inserted therein.

FIG. 10 is a modified form of the structure shown in FIG. 9. The device shown in FIG. 10 includes abody portion 45 and a pair ofpressure lobes 50. However thelobes 50 are independently mounted on thebody portion 45 by a pair ofstems 53.

PlIGS. 11, 12 and 13 shows another embodiment which is provided with abody portion 55 and a pair of anterior and

posterior pressure lobes

56 and 57, respectively, connected to the body portion bystems 58. The pressure lobes are angled to each other and to the plane of thebody portion 55 and are biased in an outward direction. tIn the uterus the lobes are squeezed together as shown in FIG. 13. The tendency of the lobes to spread apart will hold the device firmly in place.

The embodiment shown in FIG. 14 is similar to the one shown in FIGS. 11 to 13. However the

lobes

56 and 57 extend from acommon stem 59 rather than separate stems.

It will thus be seen that the present invention provides an improved intrauterine device which resists expulsion because of the lateral compression of the end legs by the walls of the uterus and because of the bow effect given to the rear base by the compression of the end legs.

As various changes may be made in the form, construction and arrangement of the parts herein without departing from the spirit and scope of the invention and without sacrificing any of its advantages, it is to be understood that all matter herein is to be interpreted as illustrative and not in a limiting sense.

Having thus described my invention, I claim:

1. An intrauterine device comprising a front body portion and at least one rear body portion integral with said front body portion, said front body portion having a substantially straight rear base and a pair of legs integral with the rear base and extending therefrom in a direction away from the rear base, the rear body portion being connected to, integral with and extending from the rear base of the front body portion.

2. An intrauterine device as claimed inclaim 1, wherein the legs of the rear body portion are angled toward each other to form an apex which is connected to and integral with the rear base of the front body portion.

3. An intrauterine device as claimed inclaim 1, wherein said front body portion has a front base and legs connected to and integral with the rear base thereof.

4. An intrauterine device as claimed inclaim 1, wherein the legs of the front body portion are angled toward each other to form an apex.

5. An intrauterine device as claimed inclaim 1, wherein the legs of the rear body portion have a tapered cross-sectional configuration.

6. An intrauterine device as claimed inclaim 1, wherein the corners of the rear body portion formed by the rear base and the legs are thinner in cross-section than the cross-section of the legs.

7. An intrauterine device as claimed inclaim 1, wherein at least one intermediate body portion is provided between the rear and front body portions, said intermediate body portion having a rear base, a front base and angled legs connecting the bases together, the front base of the rear body portion being integral and connected to the rear base of the intermediate body portion and the from base of the intermediate body portion being integral with the rear base of the front body portion.

8. An intrauterine device as claimed inclaim 7, wherein the legs of the three body portions are in axial alignment with each other.

9. An intrauterine device as claimed inclaim 1, wherein the bases of the front and rear body portions are substantially parallel to each other.

10. An intrauterine device comprising a front body portion having a straight rear base and a pair of legs integral with and extending from the rear base in a direction away from the rear base, at least one pressure lobe extending rearwardly from said rear base of the front body portion in a direction opposite to the direction of the legs and being integral with and connected to said rear base of the front body portion.

11. An intrauterine device as claimed inclaim 10, wherein a pair of pressure lobes extend from the rear base of said body portion.

12. An intrauterine device as claimed inclaim 11, wherein said pressure lobes are radially angled relative to said front body portion.

13. An intrauterine device as claimed inclaim 11, wherein said pair of lobes are angled with respect to each other.

14. An intrauterine device as claimed inclaim 11, wherein said lobes are angled with respect to the plane of the body portion.

15. An intrauterine device as claimed inclaim 11, wherein said lobes extend from a single stem on the rear base of the body ortion.

16. An intrauterine device as claimed inclaim 11, wherein said lobes extend from separate stems on the rear base of the body portion.

17. An intrauterine device as claimed in claim 16, wherein said lobes are angled to the plane of the body portion.

18. An intrauterine device comprising a body portion having rear and front bases, end legs connecting said bases together and an undulating stem extending from one of said bases.

19. An intrauterine device as claimed in claim 17, wherein said end legs are angled with respect to each other and wherein portions of said stem are in axial alignment with said angled end legs.

References Cited UNITED STATES PATENTS 533,120 1/1895 Ferguson 128130 662,716 11/1900 Gaede-ke 128130 3,230,953 1/1966 Birnberg et al 128-130 3,234,938 2/1966 Robinson 128-430 3,291,125 12/1966 Robinson 12813O 3,230,953 1/1966 Birnberg et a1. 128130 ADELE M. EAGER, Primary Examiner.

US533543A1966-03-111966-03-11Intrauterine deviceExpired - LifetimeUS3438369A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US53354366A	1966-03-11	1966-03-11

Publications (1)

Publication Number	Publication Date
US3438369Atrue US3438369A (en)	1969-04-15

Family

ID=24126422

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
US533543AExpired - LifetimeUS3438369A (en)	1966-03-11	1966-03-11	Intrauterine device

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US (1)	US3438369A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3516403A (en)*	1967-07-14	1970-06-23	Apamed Etablis	Intrauterine contraception device and instrument for placing this device in position
EP0011143A1 (en)*	1978-10-16	1980-05-28	I.R.MED. S.r.l.(Istituto Ricerche Mediche)	Intra-uterine contraceptive device
FR2477868A1 (en)*	1980-03-17	1981-09-18	Arts Tech Nles	CONTRACEPTIVE DEVICE FOR LOCATION IN THE UTERINE CAVITY

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US662716A (en)*	1900-07-31	1900-11-27	John G L Gaedeke	Intra-uterine battery.
US3230953A (en)*	1963-01-30	1966-01-25	Charles H Birnberg	Intrauterine device
US3234938A (en)*	1963-05-27	1966-02-15	Ralph R Robinson	Intra-uterine u stem pessary
US3291125A (en)*	1965-09-23	1966-12-13	Ralph R Robinson	Intrauterine u-shaped pessary

1966
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US533120A (en)*		1895-01-29		Frank c
US662716A (en)*	1900-07-31	1900-11-27	John G L Gaedeke	Intra-uterine battery.
US3230953A (en)*	1963-01-30	1966-01-25	Charles H Birnberg	Intrauterine device
US3234938A (en)*	1963-05-27	1966-02-15	Ralph R Robinson	Intra-uterine u stem pessary
US3291125A (en)*	1965-09-23	1966-12-13	Ralph R Robinson	Intrauterine u-shaped pessary

Cited By (4)

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Publication number	Priority date	Publication date	Assignee	Title
US3516403A (en)*	1967-07-14	1970-06-23	Apamed Etablis	Intrauterine contraception device and instrument for placing this device in position
EP0011143A1 (en)*	1978-10-16	1980-05-28	I.R.MED. S.r.l.(Istituto Ricerche Mediche)	Intra-uterine contraceptive device
FR2477868A1 (en)*	1980-03-17	1981-09-18	Arts Tech Nles	CONTRACEPTIVE DEVICE FOR LOCATION IN THE UTERINE CAVITY
EP0036805A1 (en)*	1980-03-17	1981-09-30	ARTS ET TECHNIQUES NOUVELLES Société à responsabilité limitée dite:	Intra-uterine contraceptive device

Publication	Publication Date	Title
US5494047A (en)	1996-02-27	Intrauterine contraceptive device
US2410460A (en)	1946-11-05	Medicinal applicator and dispenser
US4117838A (en)	1978-10-03	Intrauterine contraceptive device
USD885594S1 (en)	2020-05-26	Ankle brace
CA2167280A1 (en)	1995-03-02	A device for arrangement in vagina for prevention of involuntary urination with females and the combination of such device with an applicator for use in insertion of the device
US2164926A (en)	1939-07-04	Catheter stylet
US3438369A (en)	1969-04-15	Intrauterine device
JPS6232951A (en)	1987-02-12	intrauterine contraceptive device
US4125113A (en)	1978-11-14	Applicator for inserting hygienic media into body cavities
US3457915A (en)	1969-07-29	Intrauterine device
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US3397690A (en)	1968-08-20	Intra-uterine contraceptive device
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US2138735A (en)	1938-11-29	Attaching device
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US2581274A (en)	1952-01-01	Necktie clasp
US2193611A (en)	1940-03-12	Belt buckle
US2522822A (en)	1950-09-19	Disposable vaginal diaphragm
USD980989S1 (en)	2023-03-14	Abdominal cosmetic mask
Hutcherson et al.	1966	Long-term study of oral contraception with norethindrone 2 mg. and mestranol 0.1 mg
USD202593S (en)	1965-10-19	Tape dispenser

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ID=24126422

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Cited By (3)

Citations (5)

Patent Citations (5)

Cited By (4)

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