US3918445A - Inserter for intra-uterine device (IUD) - Google Patents

Inserter for intra-uterine device (IUD) Download PDF

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Publication number
US3918445A
US3918445A US462582A US46258274A US3918445A US 3918445 A US3918445 A US 3918445A US 462582 A US462582 A US 462582A US 46258274 A US46258274 A US 46258274A US 3918445 A US3918445 A US 3918445A
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Prior art keywords
inserter
iud
cervix
holding
receiving
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Expired - Lifetime
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US462582A
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English (en)
Inventor
Tadao Okamoto
Takeo Komamura
Atsumi Ishihama
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Fuji Latex Co Ltd
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Fuji Latex Co Ltd
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    • 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
    • A61F6/18—Inserters or removers ; Apparatus for loading an intra-uterine device into an insertion tube

Definitions

  • the inserter is designed to receive and hold an intrauterine device (IUD), as well as to insert the IUD in the uterus, and comprises two opposed holding members, which are U-shape in cross-section, which conjointly define an elongated tubular element which preferably is slightly bowed. At a zone intermediate the ends of the inserter, and substantially at its midpoint, the two holding members are spread apart or opened to form an IUD receiving and holding portion.
  • IUD intrauterine device
  • a cervix shield portion of the inserter is inserted into the uterus, the cervix shield portion extending from the receiving and holding portion to the inner end of the inserter, and the inner end is tapered.
  • a plunger is then inserted in the outer end of the inserter to engage the IUD and move it through the cervix shield portion out the inner end of the inserter and into the uterus, after which the inserter is withdrawn.
  • Elastic bands or the like hold the U-shape members in engagement with each other, to form the tubular inserter, while allowing the holding members, in the cervix shield portion, to expand to facilitate movement of the IUD therethrough.
  • the spread apart portion of the inserter may be provided with supporting surfaces for an IUD and may have the shape of a flat trumpet.
  • This invention relates to contraceptive appliances for preventing the fertilized ovum from being deposited on the bed of the uterus by inserting an intra-uterine de vice (IUD) made of synthetic resin into the uterus and, more particularly, to a novel and improved inserter enabling a user to insert and set the IUD in the uterus by setting the IUD in the inserter beforehand and using a plunger to push the IUD through the inserter and out the inner end thereof into the uterine cavity.
  • IUD intra-uterine de vice
  • the invention is directed to an inserter for an intrauterine device (IUD) for contraceptive use, in which the inconveniences of prior art devices are eliminated.
  • IUD intrauterine device
  • the term IUD will be used, hereinafter, to designate an intra-uterine device.
  • An objective of the invention is to provide an IUD inserter by means of which it is possible to insert an IUD into the uterus instantly without mechanical harm to the cervix, merely by introducing a plunger into the inserter in which the IUD has already been set.
  • Another objective is to provide an inserter into which an IUD may be set and kept in its original form, so as to be used without undesired deformation even after a long period of storage.
  • the inserter has a cervix shield portion at its leading end formed of two opposed members, of U-shape cross-section arranged in facing engagement in such a manner as to be freely spread apart to some extent for feeding an IUD through the cervix shield portion, with the IUD being expanded as it passes through the cervix shield portion .without' causing any mechanical injury to the cervix.
  • the inserter For the purpose of receiving an IUD, the inserter has, intermediate its ends, a spread apart or open IUD receiving and holding portion shaped and adapted to hold various types of IUDs, different in shape and size, firmly therein and permitting easy insertion of the IUD into the cervix shield portion of the inserter.
  • a further object of the invention is to provide such an inserter which enables a user to insert an IUD properly in the uterus without the use of any probe, by making good use of an interrelation in length between the inserter and a plunger for inserting the IUD.
  • FIG. 1 is a front elevational view, partly cutaway, of an inserter embodying the invention
  • FIG. 2 is a side view, partly cut away, of the inserter shown in FIG. 1;
  • FIG. 3 is an end elevation view taken along the line III-III of FIG. 2, looking in the direction of the arrows;
  • FIG. 4 is an end elevation view, taken along the line IVIV of FIG. 3, looking in the direction of the arrows;
  • FIG. 5 is a front elevation view, partly broken away, of a plunger for use with the inserter
  • FIG. 6 is an end elevation view, taken along the line VIVI of FIG. 5, looking in the direction of the arrows;
  • FIG. 7 is a front elevation view, partly cut away, of a spread or open portion of the inserter
  • FIG. 8 is a front elevation view of an IUD
  • FIG. 9 is an exploded perspective view of another in serter embodying the invention, and its associated plunger;
  • FIG. 10 is a front elevation view, partly broken away, of the spread or open portion of the inserter shown in FIG. 9;
  • FIG. 11 is a transverse sectional view taken on the line XI-XI of FIG. 10 and looking in the direction of the arrows;
  • FIG. 12 is a front elevation view, partly broken away, of the spread or open portion of still another inserter embodying the invention.
  • FIG. 13 is a transverse sectional view, taken along the line XIIIXIII of FIG. 12, looking in the direction of the arrows;
  • FIG. 14 is a front elevational view of another form of IUD.
  • FIG. 15 is a side elevation view of the IUD shown in FIG. 14;
  • FIG. 16 is an explanatory view illustrating the use of the inserter and showing an IUD just before the setting thereof in the utuerus;
  • FIG. 17 is a view similar to FIG. 16 and illustrating the setting of the IUD in the uterus.
  • the present invention is directed to an inserter for an IUD, such as a contraceptive ring.
  • an IUD such as a contraceptive ring.
  • a ring device In conventional inserters, such a ring device must be set therein at each time a ring device is to be inserted, and in practice, this is very troublesome.
  • the invention is accordingly directed to an inserter which provides for previous setting of an IUD in the inserter, before use of the IUD, and immediate setting of the IUD into the uterus simply by inserting a plunger through the inserter to move the IUD out of the inner end of the inserter and into the uterus.
  • an inserter l for an IUD such as a contraceptive ring
  • an IUD 9 shown in FIG. 8 can be set beforehand or stored in the spread portion 2 of the inserter 1.
  • Inserter 1 has the general form of a tube, being formed by two members a and [2 arranged in facing opposition so as to form the tube, the members a and [2 having a U-shape crossscction.
  • inserter 1 preferably is slightly arcuate, so as to make a users posture, during insertion of the IUD, easy for the insertion.
  • the inserter In order to insert the IUD into the uterus, the inserter is put into the vagina up to the line 11 in FIG. 1, whereby the exit or inner end of the inserter will contact the fundus uteri.
  • a plunger 5, shown more particularly in FIGS. 5 and 6, is introduced into the inserter through the holding ring 3 so as to push the IUD 9 on the tip of the plunger into the uterus.
  • Plunger 5 has a support 6, for the IUD, on the leading end ofa bar 7, the support 6 receiving a vertical shaft portion of the IUD 9.
  • the IUD 9 is inserted into the uterus with the assistance of a grip 8 on the outer end of the plunger 5.
  • the IUD 9 used with the inserter shown in FIGS. 1 through 7 is illustrated, in FIG. 8, as shaped like an inverted unfolded fan, preferably including the vertical shaft 10 having branches 1] extending therefrom.
  • the structure of the IUD is not limited to the shape shown in FIG. 8, but the IUD may have any other form so long as it can be held between the holding members 0 and d of the spread portion 2 of the inserter l, and can be pushed out by means of plunger 5.
  • the branches 11 When the IUD is pushed by the plunger through the forward or inner portion of the inserter 1, the branches 11 are folded inwardly as shown by the dotted lines in FIG. 8.
  • the branches l1 When the IUD is forced out of the setting exit 4 and inserted into the uterus, the branches l1 spread apart and are set stably in the uterus to conform substantially to the uterine shape as shown by solid lines in FIG. 8.
  • inserter l Upon completion of the insertion of the IUD into the uterus, inserter l is withdrawn from the vagina and the IUD is left in the uterus. For removing the IUD from the uterus, there are used threads which have been previously attached to the IUD.
  • inserter 1 containing an IUD beforehand, may be sold as a composite article, permitting simple insertion of the IUD into the uterus by just inserting plunger 5 into the inserter. Furthermore, the IUD is maintained safe against deformation before its sale due to the shape of the spread portion 2, which is adapted to that of the IUD. If an IUD formed of synthetic resin is stored in a cylindrical case, not conforming to the shape of the IUD, the IUD may be deformed, after the lapse of some time, due to permanent deformation of the synthetic resin material, and may not resume its original shape or form. This means a failure of the essential function of the IUD.
  • an IUD when used, is set in the cervix shield portion of the inserter by pulling or pushing the IUD thereinto while deforming the IUD. Under these conditions, the inserter is placed into the uterus, and the IUD is pushed into the uterus from the inserter with a bar,
  • an IUD can be previously carried in a position outwardly of the cer- 5 vix shield portion of the inserter and without deformation, and the plunger may be easily inserted into the inserter when it is desired to use the IUD.
  • an advantage of the invention arrangement is that it is very convenient to use the inserter as it does not require troublesome setting by pulling or pushing an IUD thereinto each time an IUD is to be used,
  • a further advantage of the invention is that, when an IUD is being inserted into the uterus, the cervix is protected from any mechanical injury which otherwise might occur, as a result of the passing of the IUD through the interior of the cervix shield portion and into the uterus.
  • a supporting surface 12 as shown in FIGS. 1 through 7, is provided at the location where the holding members c and d, forming the spread portion 2, engage each other, this supporting surface having a proper area for supporting the IUD.
  • Supporting surface 12 extends in a plane from the inner side of either of the holding members forming the spread portion 2, so as to hold an IUD more positively.
  • Portion 12 further serves to protect stored IUDs, which may be different in shape and size, against accidentally falling out of the inserter.
  • the area of the supporting face 12 may be defined as such as to span the space between holding members c and d, with the supporting surface 12 extending from either of these holding members.
  • an IUD can be guided into the cervex shield portion of the inserter more positively.
  • guide plates 13 are provided in the form of a flat trumpet at the joining positions of the holding members 0 and d.
  • the guide plates 13 are formed at the entrance into the shield portion 1', so as to hold an IUD 9, set in spread portion 2, with the leading end engaged with the cervix shield portion, and thereby protecting the IUD from slipping as well as keeping it secured in position independent of its size and shape.
  • the guide plates 13 also serve as an effective means for guiding and pushing an IUD 9, when used, into cervix shield portion 1, smoothly and without fail by engaging the leading end 6 of the plunger 5 with the stem portion of the IUD.
  • shield portion 1 is formed like a tube by engaging the two opposed members a and b, and these members are elastically retained into engagement so as to be expandable or spreadable to a certain extent.
  • the opposed members a and b are retained in engagement by means of rubber rings r, so as to permit some spreading thereof and smooth passage of an IUD, in accordance with the form and size of the IUD.
  • shield portion 1' is inserted slidably through a slot 14 on a frame 15 which has a fixed bearing piece 16 extending therefrom and cooperable with an opposed movable bearing piece 17.
  • Bearing pieces 16 and 17 are elastically retained in engagement with each other by a rubber band r so that movable bearing piece 17 is elastically displaceable relative to fixed bearing piece 16.
  • Bearing pieces 16 and 17 are engaged and supported in such'a manner as to embrace the two opposed members .a and b.
  • An IUD may pass through the tubular cervix shield portion thus formed by the members a and b.
  • the shield portion is spreadable or expandable laterally, so that limitation due to the difference in size between IUDs is eliminated. It is thus possible to set an IUD in the uterus without mechanical harm to the cervix uteri by inserting the shield portion of the inserter through the cervix, with the shield portion compressed, feeding the IUD from the rear or outer end of the shield portion, and passing the IUD through the shield portion while the latter is expanded or spread.
  • the inserter embodying this invention has a wider and more useful application.
  • the opposed members a and b are provided, at their respective leading ends, with a recess 18 and a protrusion 19, each protrusion on one member being engageable into a recess on the other member. This reinforces the shield portion, as well as prevents the shield portion from undesired distortion or axial misengagement as a result of the spreading of the shield portion at the time of insertion of the IUD into the uterus.
  • marks 20 are provided for measuring the length of the insertion.
  • the mark to indicate the insertion depth is the position of the rubber ring r furthest from the spread portion 2.
  • an indication plate 21 is wound around the inserter.
  • an IUD of synthetic resin has holes 22 for the pulling threads, and these are positioned in a recessed portion 23 of the inserter shown in FIG. 10, for drawing the pulling threads outside.
  • a further object of the present invention is to provide an inserter which permits proper spreading of an IUD in the uterine cavity without the use of any probe.
  • FIGS. 9, l6 and 17 illustrate how this is accomplished in practice.
  • a point P, close to grip 8 on plunger 5 is used as a reference point, plunger 5 having the same length as inserter l, and a point Q is marked, at a position spaced from point P, by the length L of an IUD and in the forward axial direction.
  • the shield portion of inserter l is inserted toward the uterus until' its inner or leading end strikes against the fundus uteri R, illustrated in FIGS.
  • plunger 5 is introduced into the inserter 1 until point Q is aligned with the outer end of inserter 1.
  • the leading or inner end of plunger 5 has pushed an IUD 9 to the inner end of shield portion 1', where the leading end of the IUD is brought into contact with the fundus uteri R.
  • Inserter 1 is now drawn back to the point or marking P on plunger 5, so that shield portion 1 is retracted from the fundus uteri R by the length L with plunger 5 being maintained stationary.
  • the IUD is released from the setting exit 4 of the inserter 1 and remains in the uterus.
  • the distance must be measured by the use of a probe before insertion of the IUD, after which the IUD is inserted so as to engage against the fundus uteri. Such an operation cannot be carried out with external direct perception.
  • An inserter for an intra-uterine device for contraceptive use comprising, in combination, a pair of elongated continuous and facing substantially U-shape cross-section members forming an elongated intrauterine device holding and guiding element, said members being spaced apart only at a relatively short zone intermediate their ends to form a widened receiving and holding portion for an expanded IUD,'said receiving and holding portion being constituted by two opposed and laterally spaced coextensive and uninterrupted intermediate portions of said continuous U- shape cross-section members which latter are otherwise in contact with each other throughout the length of said holding and guiding element.
  • An inserter as claimed in claim 1, including a cervix shield portion extending from said receiving and holding portion and communicating therewith; said cervix shield portion being constituted by uninterrupted portions of said two U-shape cross-section members forming a tube; and means retaining said lastnamed portions of said members in engagement with each other.
  • said retaining means comprises at least one resilient member embracing said cervix shield portion forming portions of said members to provide for elastic lateral spreading thereof to some extent.
  • An inserter as claimed in claim 3, including a tubular plunger guiding portion extending outwardly from said receiving and holding portion to receive and guide a plunger into engagement with an intra-uterine device received and held in said receiving and holding portion to move the intra-uterine device into, through and out of said cervix shield portion.
  • An inserter including an elongated plunger inserted through said holding and guiding element to engage an intra-uterine device to move the device from said receiving and holding portion into, through and out of said cervix shielding portion; said plunger having an outer manipulating end and an inner end engageable with an intra-uterine device in said receiving and holding portion; said plunger having, adjacent its outer end and at a point spaced from its inner end by a distance equal to the length of said holding and guiding element, a first reference 3 ,9l 8,445 7 8 mark, and having. at a distance inwardly from said first 8.
  • An inserter as claimed in claim 4, in which said reference mark equal to the length of an intra-uterine device. a second reference mark; said plunger being insorted through said holding and guiding element up to said first reference mark.
  • cervix shield portion has thereon at least one reference mark indicating the depth of insertion.

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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)
  • Surgical Instruments (AREA)
US462582A 1974-02-26 1974-04-19 Inserter for intra-uterine device (IUD) Expired - Lifetime US3918445A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49021984A JPS50117285A (de) 1974-02-26 1974-02-26

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US3918445A true US3918445A (en) 1975-11-11

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US (1) US3918445A (de)
JP (1) JPS50117285A (de)
DE (1) DE2419228C3 (de)
FR (1) FR2261744B1 (de)
GB (1) GB1431628A (de)
IT (1) IT1023033B (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4094313A (en) * 1975-06-13 1978-06-13 Takeo Komamura Intra-uterine device and tool for insertion of same
US4249525A (en) * 1979-10-15 1981-02-10 G. D. Searle & Co. Instrument for loading an intrauterine device into an insertion tube
US4549652A (en) * 1983-06-29 1985-10-29 Piact IUD Package
WO2001068012A1 (fr) * 2000-03-16 2001-09-20 Solinhac Jean Pierre Dispositif d'insertion pour la mise en place d'un dispositif intra-uterin du type en forme de t
US20050126575A1 (en) * 2003-12-11 2005-06-16 Tapani Luukkainen Frame of an intrauterine system
US20070129734A1 (en) * 2003-11-19 2007-06-07 Ilkka Jutila Plunger
US9492312B2 (en) 2010-10-18 2016-11-15 Bioceptive, Inc. Methods and apparatus for inserting a device or pharmaceutical into a body cavity
CN106781265A (zh) * 2015-06-24 2017-05-31 厦门大学附属中山医院 一种及时提醒的颈部肿胀报警器
US11571329B2 (en) 2019-11-21 2023-02-07 Coopersurgical, Inc. Packaging systems for implantable devices and related methods

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2517539A1 (fr) * 1981-12-03 1983-06-10 Deuil Jacques Dispositif intra-uterin
DE4318941C2 (de) * 1993-05-27 1995-04-27 Schering Ag Kombination aus einer intra-uterin empfängnisverhütenden Vorrichtung und aus einem Einführungsgerät

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US716040A (en) * 1902-04-11 1902-12-16 William Castle Holt Applicator.
US862712A (en) * 1907-02-13 1907-08-06 James S Collins Medical instrument.
US2017783A (en) * 1933-10-09 1935-10-15 Joseph C Clark Capsule administering device
US2435531A (en) * 1945-10-08 1948-02-03 Sr Asa B Carmichael Combination uterine dilator and gauze packer
US3404682A (en) * 1965-11-17 1968-10-08 Tassette Inc Vaginal cup and means for inserting same
US3783861A (en) * 1971-06-11 1974-01-08 Searle & Co Inserter for intrauterine devices

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791734A (fr) * 1971-10-07 1973-03-16 Robins Co Inc A H Appareil universel pour insertion de dispositifs intra-uterins

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US716040A (en) * 1902-04-11 1902-12-16 William Castle Holt Applicator.
US862712A (en) * 1907-02-13 1907-08-06 James S Collins Medical instrument.
US2017783A (en) * 1933-10-09 1935-10-15 Joseph C Clark Capsule administering device
US2435531A (en) * 1945-10-08 1948-02-03 Sr Asa B Carmichael Combination uterine dilator and gauze packer
US3404682A (en) * 1965-11-17 1968-10-08 Tassette Inc Vaginal cup and means for inserting same
US3783861A (en) * 1971-06-11 1974-01-08 Searle & Co Inserter for intrauterine devices

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4094313A (en) * 1975-06-13 1978-06-13 Takeo Komamura Intra-uterine device and tool for insertion of same
US4249525A (en) * 1979-10-15 1981-02-10 G. D. Searle & Co. Instrument for loading an intrauterine device into an insertion tube
US4549652A (en) * 1983-06-29 1985-10-29 Piact IUD Package
WO2001068012A1 (fr) * 2000-03-16 2001-09-20 Solinhac Jean Pierre Dispositif d'insertion pour la mise en place d'un dispositif intra-uterin du type en forme de t
FR2806296A1 (fr) * 2000-03-16 2001-09-21 Jean Pierre Solinhac Dispositif d'insertion pour la mise en place d'un dispositif intra-uterin du type en forme de t
US20070129734A1 (en) * 2003-11-19 2007-06-07 Ilkka Jutila Plunger
US7661429B2 (en) * 2003-11-19 2010-02-16 Bayer Schering Pharma Oy Plunger
US20050126575A1 (en) * 2003-12-11 2005-06-16 Tapani Luukkainen Frame of an intrauterine system
US7926488B2 (en) * 2003-12-11 2011-04-19 Familplan Consulting Ltd. Oy Frame of an intrauterine system
US9492312B2 (en) 2010-10-18 2016-11-15 Bioceptive, Inc. Methods and apparatus for inserting a device or pharmaceutical into a body cavity
CN106781265A (zh) * 2015-06-24 2017-05-31 厦门大学附属中山医院 一种及时提醒的颈部肿胀报警器
CN106781265B (zh) * 2015-06-24 2018-09-25 厦门大学附属中山医院 一种及时提醒的颈部肿胀报警器
US11571329B2 (en) 2019-11-21 2023-02-07 Coopersurgical, Inc. Packaging systems for implantable devices and related methods
US11819450B2 (en) 2019-11-21 2023-11-21 Coopersurgical, Inc. Packaging systems for implantable devices and related methods

Also Published As

Publication number Publication date
DE2419228C3 (de) 1981-05-07
DE2419228A1 (de) 1975-09-18
GB1431628A (en) 1976-04-14
DE2419228B2 (de) 1980-07-31
FR2261744A1 (de) 1975-09-19
JPS50117285A (de) 1975-09-13
IT1023033B (it) 1978-05-10
FR2261744B1 (de) 1979-07-13

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