Adhesive-containing wound closure device and method
a wound closure and adhesive technology, applied in the field of medical and surgical wound closure and management, can solve the problems of additional pain and cosmetically unattractive wound closure marks, and additional trauma to the patient, so as to improve the approximation of the wound, improve the durability of the microbial barrier, and improve the effect of wound closur
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example 1
[0102] The working and setting times of the inventive composite device, using a flexible textile material and a cyanoacrylate polymerizable adhesive formulation, are compared to the working and setting times of conventional available cyanoacrylate devices. The conventional available cyanoacrylate devices used are the DERMABOND® topical skin adhesive products comprising a polymerizable monomer dispersed from an applicator having a porous tip containing polymerization initiator. Two DERMABOND® adhesive formulations are tested namely, a low viscosity adhesive formulation, referred to here as DERMABOND LV and a high viscosity adhesive formulation, referred to here as DERMABOND HV (both manufactured by Closure Medical Corporation and available from Ethicon). The composite devices of the present invention are also prepared using the cyanoacrylate polymerizable adhesive compositions of the DERMABOND LV and DERMABOND HV formulations, with the cyanoacrylate polymerizable adhesive composition...
example 2
[0112] The tensile strength of film samples of DERMABOND LV adhesive are compared to the tensile strength of Composite A, described in Example 1 above.
[0113] Thin films of DERMABOND LV adhesive are prepared by expressing the adhesive from a DERMABOND LV applicator onto a glass plate. Subsequently, a second glass plate of the same size is placed on top of the adhesive such that the adhesive is pressed between the two plates. Once the adhesive polymerizes, the glass plates are separated and the film of adhesive is removed. This film was then cut into strips with dimensions 4.0 inch×0.5 inch. Ten DERMABOND LV film strips are thus prepared.
[0114] Strips of Composite A are prepared using SPECTRA MESH® filtration material loaded with initiator by dip coating in an 0.1 M solution of BHC in methanol, as described above. Dip coated strips are allowed to dry for 24 hours prior to their use. Mesh strips, measuring 4.0 inch×0.5 inches, are saturated with DERMABOND LV adhesive by expressing th...
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