A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 27/14 (2006.01) A61F 6/20 (2006.01) A61L 24/06 (2006.01) A61L 27/16 (2006.01) A61L 27/50 (2006.01) A61L 27/52 (2006.01) C08F 297/00 (2006.01) C08L 51/00 (2006.01) C08L 51/08 (2006.01) C08L 53/00 (2006.01)
Patent
CA 2427543
The invention relates to the use of a thermal reversible gel, such as a copolymer composition, as a biological filler or implant. The gel has a semi-solid form at body temperature, but upon cooling to a temperature below a threshold level, the gel is liquefied and can be re-shaped, re-sized, manipulated or removed from the body. The gel may be used as a subcutaneous implant, a biological filler, joint or tissue spacer, for wrinkle filling or other cosmetic implants, as a soft-tissue replacement for reconstructive surgery, or as a barrier within the lumen of a biological structure, such as a blood vessel. The implant may be used to provide reversible birth control by providing, for example, a reversible barrier to the cervix or a reversible blockage of the lumen of the vas deferens.
Cheng Yu-Ling
Lin Hai-Hui
May Michael
Semple John L.
Borden Ladner Gervais Llp
Cheng Yu-Ling
Lin Hai-Hui
May Michael
Semple John L.
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