INTRAUTERINE DEVICE AND MEANS FOR INSERTING AND REMOVING THE SAME

• US 3,805,777 A
• Filed: 07/20/1972
• Issued: 04/23/1974
• Est. Priority Date: 07/20/1972
• Status: Expired due to Term

• Current Assignee: Amir H. Ansari
• Original Assignee: Amir H. Ansari
• Inventors: Ansari, Amir H.
• Primary Examiner(s): Gaudet, Richard A.
• Assistant Examiner(s): Dunne, G. F.
• Application Number:
  US05/273,545
• Time in Patent Office: 642 Days
• Field of Search: 128/127,128,129,130,260
• US Class Current: 128/840
• CPC Class Codes: A61F 6/142 Wirelike structures, e.g. loops, rings, spirals
• CPC Class Codes: A61F 6/148 with sheet-like structure
• CPC Class Codes: A61F 6/18 Inserters or removers ; Apparatus for loading an intra-uterine device into an insertion tube

Abstract

An intrauterine device comprising a generally circular ring formed of elastic, inert plastic material. The material is elastically deformed during insertion into the uterine cavity by a specially formed applicator, and magnetic means are imbedded in or associated with the ring for subsequent removal by magnetic extractor means.

Claims

1. An intrauterine device adapted to be inserted in the female uterine cavity comprising a generally ring-shape member made of elastic, inert plastic material, and means formed of magnetic material carried by said member, said device being capable of deformation for insertion through the cervical canal into said cavity, where it regains its original form when released therein, and of removal by magnetic coupling with magnetic extractor means, a tab integrally joined at one end thereof to said member and normally coiled therewithin, with said magnetic material being carried by the free end of said tab for extension of the tab and removal of the member by the extractor means.

2. The device of claim 1, wherein said magnetic material comprises a plurality of circumferentially spaced members imbedded in said plastic material.

3. The device of claim 1, wherein said elastic, inert plastic material is silico-organic rubber.

4. The device of claim 1 in combination with an applicator means for inserting said device in said cavity, said applicator means comprising a rod formed at one end thereof with a notch for receiving a first segment of the ring, and a second spaced notch for receiving a second segment of the ring generally diametrically opposed to said first segment, the spacing of said notches being greater than the normal diameter of said ring so as to effect the radial deformation thereof to generally elliptical shape to facilitate insertion of the ring into the cavity, with rotation of the applicator means releasing the ring therein.

5. The device of claim 1, in combination with extractor means in the form of a probe having magnetic material at one end to effect said magnetic coupling with the ring for removal of the latter.

6. An intrauterine device adapted to be inserted in the female uterine cavity comprising a body made of an elastic, inert plastic material;

magnetic material embedded within at least a portion of said plastic material;

said portion being sufficiently deformable that it is readily removable from the uterine cavity by engagement of the magnetic material with a magnetic probe;

said portion having sufficient resiliency that it assumes a natural shape when in the uterine cavity by which irritation and side effects are avoided;

a normally coiled resilient tab, one end of which is integral with said main body, the tab having a free end, and the magnetic material being at said tab free end.