EP0198883A4 - Intravaginal device. - Google Patents

Intravaginal device.

Info

Publication number
EP0198883A4
EP0198883A4 EP19850905253 EP85905253A EP0198883A4 EP 0198883 A4 EP0198883 A4 EP 0198883A4 EP 19850905253 EP19850905253 EP 19850905253 EP 85905253 A EP85905253 A EP 85905253A EP 0198883 A4 EP0198883 A4 EP 0198883A4
Authority
EP
European Patent Office
Prior art keywords
sheet member
pair
sides
flap valve
attached
Prior art date
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.)
Withdrawn
Application number
EP19850905253
Other languages
German (de)
French (fr)
Other versions
EP0198883A1 (en
Inventor
Robert E Willis
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.)
Individual
Original Assignee
Individual
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0198883A1 publication Critical patent/EP0198883A1/en
Publication of EP0198883A4 publication Critical patent/EP0198883A4/en
Withdrawn legal-status Critical Current

Links

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
    • A61F6/08—Pessaries, i.e. devices worn in the vagina to support the uterus, remedy a malposition or prevent conception, e.g. combined with devices protecting against contagion

Definitions

  • the present invention relates to a reuseable intravaginal barrier.
  • intravaginal devices which have specialized uses.
  • One such device is the reuseable cervical pessary which is utilized to prevent contraception.
  • Typical pessaries include the diaphragm, the cervical cap, the vault cap and the vimule.
  • Another type of intravaginal device is the tampon which is utilized to absorb the flow of menses.
  • U.S. Patent No. 2,522,822 issued to H.E. Harris discloses a disposable uterine pessary.
  • the device is formed of a pad of partially compressed, fibrous material with a highly compressed peripheral bead surrounding the pad and maintaining the shape thereof.
  • a cup-like cavity formed in the forward portion of the pad, two diagonally extending, indented grooves formed in the pad and extending outwardly and rearwardly from the cavity, and a substantially triangular, resilient apron portion closing the rear portion of the cavity between the indented grooves cooperate so that when the sides of the pessary are compressed toward each other, the apron portion will bow rearwardly to form a receiving socket for receiving the vaginal neck of the uterus.
  • 3,169,894 discloses a diaphragm comprising a dome or a receptacle body portion having a rim enclosing a continuous coil spring.
  • Two curved or arched pin sections are arranged in the coils of the spring in an opposed relationship to each other.
  • the pins are shaped to conform to the diameter contour of the spring and to maintain this contour in the rigid state even when the diaphragm is flexed.
  • U.S. Patent No. 3,261,353 issued to T.H. Johnson discloses vaginal devices which are formed from a laminated sheet of natural or synthetic rubber foam or other plastic foam which is laminated or cemented to a lightly cured surgical gum rubber diaphragm. The rubber or other organic foam laminate then is saturated by alternate compression and release of spermicidal chemicals which may also contain anti-venereal agents and lubricants.
  • U.S. Patent No. 3,371,664 issued to N. Pleshette discloses an intravaginal diaphragm having a circular peripheral frame formed of a flexible material. Attached to the frame is a relatively thin membrane of elastomeric material and a removal band connected to extend across the perimeter of the frame and adjacent thereto so as to produce an optimum change in the operative shape to facilitate removal of the diaphragm.
  • Strickman et al. discloses a disposable contraceptive cervical barrier formed in one or more layers in the form of standard pessaries with at least one layer impervious to the passage of sperm, with a medicament such as a spermicide, germicide, or an abortion inducing agent either impregnated into a foam plastic layer or in the form of a layer of gel or powder, the medicament being activatible upon contact with an aqueous solution.
  • U.S. Patent No. 4,428,370 issued to P. G. Keely discloses an insertion unit for a vaginal diaphragm.
  • the diaphragm has a stiff resilient rim and the interior surface of the diaphragm could be provided with a spermicidal substance.
  • the present invention concerns an intravaginal device which functions as a reuseable barrier.
  • a central sheet of resilient impermeable material has a supporting ring attached to a border of the sheet to force the sheet into a cup-shape with four sides.
  • One pair of opposing sides has a wire core in the ring portion and the sides are inwardly bent in a central portion thereof.
  • the other pair of opposed sides has one side outwardly rounded and the other side in a fork configuration.
  • a user can squeeze the sides with the wire core to move such sides adjacent one another to aid in the insertion and removal of the device.
  • the central sheet can be formed of a rubber material with a layer of foam rubber attached to both surfaces to trap sperm and bacteria.
  • An opening can be formed in a central portion of the sheet material and covered by a flap to form a normally closed flap valve.
  • An extension formed on the flap can be utilized to open the valve to release trapped material or insert medicaments without removing the device.
  • FIGURE 1 illustrates a cross section of a preferred intravaginal device, in use
  • FIGURE 2 is a perspective view of the preferred device
  • FIGURE 3 is a view illustrating how the device may be squeezed to a fraction of its normal width
  • FIGURE 4 is a cross-sectional view taken along line 4-4 of Figure 3;
  • FIGURE 5 is a front elevational view of an alternate embodiment of the present invention.
  • FIGURE 6 is a cross-sectional view taken along the line 6-6 of Figure 5.
  • Figure 2 illustrates a preferred intravaginal device 10 comprising a ring 12 attached to the border of a cup-shaped sheet 14.
  • Ring 12 is preferably formed of a resilient material, such as a neoprene non-absorbent rubber material, and has a generally four-sided shape with sides 16 and 18 having a wire core 20 as illustrated in Figure 4.
  • the other two sides 22 and 24 have a central section without wire core as illustrated in Figure 1.
  • the user by squeezing the ring with fingers 26, as illustrated in Figure 3, can move sides 16 and 18 closely adjacent one another.
  • the stiff wire core in sides 16 and 18 prevent sides 22 and 24 from being moved toward one another.
  • Sides 16 and 18 are bent as at 30 and 32, and side 24 has a generally rounded configuration while side 22 has a slight fork configuration as illustrated at 34.
  • the diameter of the ring element is about three-eights of an inch.
  • the overall size of the ring is chosen to accommodate the size of the user.
  • Sheet 14 is preferably formed of a rubber material and includes a central impermeable membrane 36.
  • a layer 38 of foam rubber is attached to one side of membrane 36 and a second layer 40 of foam rubber is attached to the other side of the membrane. Both layers 38 and 40 are each approximately one-eighth of an inch thick and formed of a foam rubber adapted to trap sperm and bacteria.
  • Figure 1 illustrates the manner in which the device is mounted with one side adjacent the rear wall 50 of the vaginal recess and the opposite side adjacent the pubic bone 52 such that sheet 14 provides a barrier to cervix 54.
  • the user can squeeze the ring in the manner illustrated, in Figure 3 for insertion or removal of the device.
  • the shape of the ring is such that it can be easily inserted into the vagina to remain there for a month.
  • the ring although preferably formed of a neoprene rubber, can also be formed of a plastic material.
  • the device can be periodically removed, washed, and reinserted for reuse. The manufacturing cost is inexpensive so that it can be discarded if necessary.
  • An intravaginal device 60 comprises a ring 62 attached to the border of a cup-shaped sheet 64.
  • a layer 72 of foam rubber can be attached to one surface of the sheet 64 and another layer 74 of foam rubber can be attached to the other surface of the sheet.
  • the device 60 is generally four-sided with an upper side 66 having a generally fork shape, a lower side 68 having a generally rounded shape, and a pair of opposed r e ⁇ sides 82 and 84 each being inwardly bent in a central portion thereof.
  • the sheet 64 has a central opening 76 formed therein for the release of bodily fluids or the insertion of medicaments.
  • the opening 76 is normally closed by a flap 78 forming a valve.
  • An extension 80 formed on the flap 78 can be utilized to selectively actuate or operate the valve by pulling the flap 78 away from the opening 76. Once the valve is open, bodily fluids can be discharged without removing the device 60. Also, medicaments can be inserted through the opening 76 and retained by the device 60.

Description

INTRAVAGINAL DEVICE
CROSS-REFERENCE TO RELATED APPLICATIONS This application is a continuation-in-part of copending U.S. Patent Application Serial No. 452,449, filed December 23, 1982, which is a continuation of U.S. Patent Application Serial No. 215,624, filed December 12, 1980, now abandoned.
BACKGROUND OF THE INVENTION The present invention relates to a reuseable intravaginal barrier. There are many forms of intravaginal devices which have specialized uses. One such device is the reuseable cervical pessary which is utilized to prevent contraception. Typical pessaries include the diaphragm, the cervical cap, the vault cap and the vimule. Another type of intravaginal device is the tampon which is utilized to absorb the flow of menses.
U.S. Patent No. 2,522,822 issued to H.E. Harris discloses a disposable uterine pessary. The device is formed of a pad of partially compressed, fibrous material with a highly compressed peripheral bead surrounding the pad and maintaining the shape thereof. A cup-like cavity formed in the forward portion of the pad, two diagonally extending, indented grooves formed in the pad and extending outwardly and rearwardly from the cavity, and a substantially triangular, resilient apron portion closing the rear portion of the cavity between the indented grooves cooperate so that when the sides of the pessary are compressed toward each other, the apron portion will bow rearwardly to form a receiving socket for receiving the vaginal neck of the uterus. U.S. Patent No. 3,169,894 discloses a diaphragm comprising a dome or a receptacle body portion having a rim enclosing a continuous coil spring. Two curved or arched pin sections are arranged in the coils of the spring in an opposed relationship to each other. The pins are shaped to conform to the diameter contour of the spring and to maintain this contour in the rigid state even when the diaphragm is flexed.
U.S. Patent No. 3,261,353 issued to T.H. Johnson discloses vaginal devices which are formed from a laminated sheet of natural or synthetic rubber foam or other plastic foam which is laminated or cemented to a lightly cured surgical gum rubber diaphragm. The rubber or other organic foam laminate then is saturated by alternate compression and release of spermicidal chemicals which may also contain anti-venereal agents and lubricants.
U.S. Patent No. 3,371,664 issued to N. Pleshette discloses an intravaginal diaphragm having a circular peripheral frame formed of a flexible material. Attached to the frame is a relatively thin membrane of elastomeric material and a removal band connected to extend across the perimeter of the frame and adjacent thereto so as to produce an optimum change in the operative shape to facilitate removal of the diaphragm. U.S. Patent No. 4,198,965 issued to R. L.
Strickman et al. discloses a disposable contraceptive cervical barrier formed in one or more layers in the form of standard pessaries with at least one layer impervious to the passage of sperm, with a medicament such as a spermicide, germicide, or an abortion inducing agent either impregnated into a foam plastic layer or in the form of a layer of gel or powder, the medicament being activatible upon contact with an aqueous solution.
U.S. Patent No. 4,428,370 issued to P. G. Keely discloses an insertion unit for a vaginal diaphragm. The diaphragm has a stiff resilient rim and the interior surface of the diaphragm could be provided with a spermicidal substance.
SUMMARY OF THE INVENTION The present invention concerns an intravaginal device which functions as a reuseable barrier. A central sheet of resilient impermeable material has a supporting ring attached to a border of the sheet to force the sheet into a cup-shape with four sides. One pair of opposing sides has a wire core in the ring portion and the sides are inwardly bent in a central portion thereof. The other pair of opposed sides has one side outwardly rounded and the other side in a fork configuration. A user can squeeze the sides with the wire core to move such sides adjacent one another to aid in the insertion and removal of the device.
The central sheet can be formed of a rubber material with a layer of foam rubber attached to both surfaces to trap sperm and bacteria. An opening can be formed in a central portion of the sheet material and covered by a flap to form a normally closed flap valve. An extension formed on the flap can be utilized to open the valve to release trapped material or insert medicaments without removing the device.
It is an object of the present invention to provide an intravaginal barrier device which can be reused.
It is another object of the present invention to provide an intravaginal device which does not have to be removed to permit release of a bodily discharge or the insertion of a medicament. These and still further objects and advantages of the invention will become readily apparent to those skilled in the art to which the invention pertains upon reference to the following detailed description. DESCRIPTION OF THE DRAWINGS The description refers to the accompanying drawings in which like reference characters refer to like parts throughout the several views, and in which;
FIGURE 1 illustrates a cross section of a preferred intravaginal device, in use;
FIGURE 2 is a perspective view of the preferred device; FIGURE 3 is a view illustrating how the device may be squeezed to a fraction of its normal width;
FIGURE 4 is a cross-sectional view taken along line 4-4 of Figure 3;
FIGURE 5 is a front elevational view of an alternate embodiment of the present invention; and
FIGURE 6 is a cross-sectional view taken along the line 6-6 of Figure 5.
DESCRIPTION OF THE PREFERRED EMBODIMENT Referring to the drawing. Figure 2 illustrates a preferred intravaginal device 10 comprising a ring 12 attached to the border of a cup-shaped sheet 14.
Ring 12 is preferably formed of a resilient material, such as a neoprene non-absorbent rubber material, and has a generally four-sided shape with sides 16 and 18 having a wire core 20 as illustrated in Figure 4. The other two sides 22 and 24 have a central section without wire core as illustrated in Figure 1. The user, by squeezing the ring with fingers 26, as illustrated in Figure 3, can move sides 16 and 18 closely adjacent one another. The stiff wire core in sides 16 and 18 prevent sides 22 and 24 from being moved toward one another.
Sides 16 and 18 are bent as at 30 and 32, and side 24 has a generally rounded configuration while side 22 has a slight fork configuration as illustrated at 34. The diameter of the ring element is about three-eights of an inch. The overall size of the ring is chosen to accommodate the size of the user.
Sheet 14 is preferably formed of a rubber material and includes a central impermeable membrane 36. A layer 38 of foam rubber is attached to one side of membrane 36 and a second layer 40 of foam rubber is attached to the other side of the membrane. Both layers 38 and 40 are each approximately one-eighth of an inch thick and formed of a foam rubber adapted to trap sperm and bacteria.
Figure 1 illustrates the manner in which the device is mounted with one side adjacent the rear wall 50 of the vaginal recess and the opposite side adjacent the pubic bone 52 such that sheet 14 provides a barrier to cervix 54. The user can squeeze the ring in the manner illustrated, in Figure 3 for insertion or removal of the device. The shape of the ring is such that it can be easily inserted into the vagina to remain there for a month. The ring, although preferably formed of a neoprene rubber, can also be formed of a plastic material. The device can be periodically removed, washed, and reinserted for reuse. The manufacturing cost is inexpensive so that it can be discarded if necessary.
Although a spermicidal gel or spray can be used, it is believed that the natural ability of the vaginal secretions to form an acid pH which will kill both sperm and bacteria makes such spermicide material unnecessary. There is shown in Figures 5 and 6 an alternate embodiment of the present invention. An intravaginal device 60 comprises a ring 62 attached to the border of a cup-shaped sheet 64. A layer 72 of foam rubber can be attached to one surface of the sheet 64 and another layer 74 of foam rubber can be attached to the other surface of the sheet. The device 60 is generally four-sided with an upper side 66 having a generally fork shape, a lower side 68 having a generally rounded shape, and a pair of opposed re¬ sides 82 and 84 each being inwardly bent in a central portion thereof.
The sheet 64 has a central opening 76 formed therein for the release of bodily fluids or the insertion of medicaments. The opening 76 is normally closed by a flap 78 forming a valve. An extension 80 formed on the flap 78 can be utilized to selectively actuate or operate the valve by pulling the flap 78 away from the opening 76. Once the valve is open, bodily fluids can be discharged without removing the device 60. Also, medicaments can be inserted through the opening 76 and retained by the device 60.
In accordance with the provisions of the patent statutes, the principle and mode of operation of the invention have been described and illustrated in its preferred embodiments. However, it must be understood that the invention can be practiced otherwise than as specifically illustrated and described without departing from its spirit or scope.

Claims

WHAT IS CLAIMED IS:
1. An intravaginal device comprising: a sheet member of flexible, fluid-impermeable material; and a supporting ring attached to a border of said sheet material to force said sheet material into a cup-shape with four sides, one pair of opposing ones of - said sides including a wire core defining said ring sides as inwardly bent in a central area thereof, and another pair of said sides opposite one another, one said side being outwardly rounded and the other said side having having a fork configuration.
2. The device according to Claim 1 including a foam rubber layer attached to each of two opposing surfaces of said sheet member.
3. The device according to Claim 2 wherein said sheet member is formed of a rubber material.
4. The device according to Claim 1 wherein said one pair of opposed sides can be moved to a position adjacent one another.
5. The device according to Claim 1 including a normally closed flap valve formed in said sheet member.
6. The device according to Claim 5 including means for actuating said flap valve between said normally closed position and an open position. 7. The device according to Claim 6 wherein said means for actuating includes an extension attached to said flap valve.
8. An intravaginal device comprising: a sheet member of flexible, fluid-impermeable material attached to and positioned between a pair of sheets of porous material; a supporting ring attached to a border of said sheet member to force said sheet member into a cup-shape; and a normally closed flap valve formed in said sheet member.
9. The device according to Claim 8 wherein said sheet member is generally rectangular in shape having a first pair of opposed sides and said supporting ring includes a wire core adjacent said first pair of opposed sides inwardly bent in a central area thereof.
10. The device according to Claim 9 wherein said sheet member has a second pair of opposed sides, one side of said second pair being outwardly rounded.
11. The device according to Claim 9 wherein sheet member has a second pair of opposed sides, one side of said second pair having a fork configuration.
12. The device according to Claim 9 wherein said sheet member has a second pair of opposed side, one side of said second pair being outwardly rounded and another side of said second pair having a fork configuration.
13. The device according to Claim 8 including an extension attached to said flap valve for actuating said flap valve between said normally closed position and a normally open position.
14. An intravaginal device comprising: a sheet member of flexible, fluid-impermeable material; a supporting ring attached to a border of said sheet member; and a normally closed flap valve formed in said sheet member.
15. The device according to Claim 14 including porous material attached to opposite sides of said sheet member, an extension attached to said flap valve for actuating said flap valve between said normally closed position and an open position, and wherein said supporting ring forces said sheet member into a generally cup-shaped rectangle having a first pair of opposed sides with a wire core inwardly bent in a central area thereof and a second pair of opposed sides, one being outwardly rounded and another having a fork configuration.
AMENDED CLAIMS
[received by the International Bureau on 10 March 1986 (10.03.86); original claim 1 amended; claims 8-15 cancelled; new claim 8 added; other claims unchanged (2 pages)]
1. An intravaginal device comprising: a sheet member of flexible, fluid-impermeable material; and a supporting ring formed of resilient material attached to a border of said sheet material to force said sheet material into a cup-shape with four sides, one pair of opposing ones of said sides including a wire core defining said ring sides as inwardly bent in a central area thereof, and another pair of said sides opposite one' another formed entirely of said resilient material, one said side being outwardly rounded and the other said side having an inwardly rounded configuration.
2. The device according to Claim 1 including a foam rubber layer attached to each of two opposing surfaces of said sheet member.
3. The device according to Claim 2 wherein said sheet member is formed of a rubber material.
4. The device according to Claim 1 wherein said one pair of opposed sides can be moved to a position adjacent one another.
5. The device according to Claim 1 including a normally closed flap valve formed in said sheet member.
6. The device according to Claim 5 including means for actuating said flap valve between said normally closed position and an open position. 7. The device according to Claim 6 wherein said means for actuating includes an extension attached to said flap valve.
8. An intravaginal device comprising: a sheet member of flexible, fluid-impermeable material including porous material attached to opposite sides of said sheet member; a supporting ring attached to a border of said sheet member; a normally closed flap valve formed in said sheet member; and an extension attached to said flap valve for actuating said flap valve between said normally closed position and an open position, and wherein said supporting ring forces said sheet member into a generally cup-shaped rectangle having a first pair of opposed sides with a wire core inwardly bent in a central area thereof and a second pair of opposed sides, one being outwardly rounded and another having an inwardly rounded configuration.
EP19850905253 1984-10-05 1985-10-04 Intravaginal device. Withdrawn EP0198883A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US65827984A 1984-10-05 1984-10-05
US658279 1996-06-05

Publications (2)

Publication Number Publication Date
EP0198883A1 EP0198883A1 (en) 1986-10-29
EP0198883A4 true EP0198883A4 (en) 1987-11-02

Family

ID=24640599

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19850905253 Withdrawn EP0198883A4 (en) 1984-10-05 1985-10-04 Intravaginal device.

Country Status (6)

Country Link
EP (1) EP0198883A4 (en)
JP (1) JPS62500636A (en)
BR (1) BR8506965A (en)
DE (1) DE3590494T1 (en)
GB (1) GB2177303B (en)
WO (1) WO1986001998A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0009914D0 (en) 2000-04-20 2000-06-07 Metris Therapeutics Limited Device
US10159597B2 (en) 2016-04-25 2018-12-25 Gamal Ragheb Birth control assembly

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE355943C (en) * 1922-07-10 Julius Frankenstein Dr Occlusive pessary
US1926518A (en) * 1928-11-16 1933-09-12 Daue Surgical Appliance Corp Pessary construction
DE822877C (en) * 1949-07-24 1951-11-29 Dr Med Nico Goossens pessary

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2310564A (en) * 1941-03-31 1943-02-09 Earl L Younkins Pessary
US2522822A (en) * 1949-06-30 1950-09-19 Harris Harry Elton Disposable vaginal diaphragm
US3169894A (en) * 1962-05-28 1965-02-16 Monett Edward Method of producing a rimmed diaphragm
US3261353A (en) * 1963-05-13 1966-07-19 Thomas H Johnson Vaginal devices
US3371664A (en) * 1965-10-21 1968-03-05 Pleshette Norman Diaphragm
US4198965A (en) * 1978-07-17 1980-04-22 Fournier E P Disposable contraceptive cervical barrier
US4326510A (en) * 1979-11-20 1982-04-27 World Health Organization Barrier contraceptive torus
US4428370A (en) * 1982-02-08 1984-01-31 Keely Patricia G Insertion unit for a vaginal diaphragm

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE355943C (en) * 1922-07-10 Julius Frankenstein Dr Occlusive pessary
US1926518A (en) * 1928-11-16 1933-09-12 Daue Surgical Appliance Corp Pessary construction
DE822877C (en) * 1949-07-24 1951-11-29 Dr Med Nico Goossens pessary

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO8601998A1 *

Also Published As

Publication number Publication date
GB2177303B (en) 1988-04-07
JPS62500636A (en) 1987-03-19
EP0198883A1 (en) 1986-10-29
GB8610406D0 (en) 1986-06-04
DE3590494T1 (en) 1987-03-12
WO1986001998A1 (en) 1986-04-10
GB2177303A (en) 1987-01-21
BR8506965A (en) 1986-12-23

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