Hydrogel adhesive for attaching medical device to patient

Details Hydrogel adhesive for attaching medical device to patient Hydrogel adhesive for attaching medical device to patient

1995-06-07

1997-09-09

Lovering, Richard D.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

128640, 2523154, 252518, 427 212, 4272071, 427516, 428461, 522 42, 523177, 524916, 5263171, B32B 2730, A61L 2500, B05D 510, C09J 402

Patent

active

056654774

ABSTRACT:
A biocompatible hydrogel adhesive which is prepared from a precursor containing acrylic acid and an alcoholamine and is adhesive under both wet and dry conditions. The use of diisopropanolamine provides these unexpected and unique wet tack properties and permits adhesion to wet tissue. Additionally, the use of a polyol which contains hydroxyl groups, such as glycerine, and a diamine, such as 2-methylpentamethylenediamine, is found to provide a hydrogel having wet adhesive properties and longer shelf life. The hydrogel adhesive can be used as an attachment means in conjunction with a biomedical detection or monitoring means. The adhesive may be used to attach a sensor on the skin of an intrautero fetus and to monitor the well being of the fetus during labor and delivery. The hydrogel having wet adhesive properties permits the attachment of a sensor or sensors onto wet tissue. The biocompatible adhesive is used to attach a fetal probe securely to a fetus. The adhesive can be used as an attachment means for a drug delivery or prosthetic device or as an attachment means for fixing a contraceptive device to the wall of the uterus. The attachment means could also be used in the oral cavity to fix a sensor or for oral therapies.

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