Fluorescent and/or NIR coatings for medical objects, object recovery systems and methods

A composition for coating a medical device, the composition comprising a polymeric matrix comprising two different wavelength emitting non-toxic quantum dots, and/or a fluorophores, wherein the polymeric matrix contains the quantum dots and/or fluorophores and binds as a coating to the medical device, and the non-toxic quantum dots and/or fluorophores are selected to provide response in both of a visible and near infrared (NIR) light range to be located using human vision in response to stimulation by a low-power ultraviolet black light source with an excitation wavelength between 320 nm to 400 nm and with a detector in response to an NIR excitation source, wherein the quantum dots are selected from the group consisting of III-V group compounds, I-III-VI2 group compounds, and ZnS/ZnSe nanocrystals.

A composition for coating a medical device, the composition comprising a polymeric matrix comprising two different wavelength emitting non-toxic quantum dots, and/or a fluorophores, wherein the polymeric matrix contains the quantum dots and/or fluorophores and binds as a coating to the medical device, and the non-toxic quantum dots and/or fluorophores are selected to provide response in both of a visible and near infrared (NIR) light range to be located using human vision in response to stimulation by a low-power ultraviolet black light source with an excitation wavelength between 320 nm to 400 nm and with a detector in response to an NIR excitation source, wherein the fluorophore comprises dansyl chloride.

A composition for coating a medical device, the composition comprising a polymeric matrix comprising two different wavelength emitting non-toxic quantum dots, and/or a fluorophores, wherein the polymeric matrix contains the quantum dots and/or fluorophores and binds as a coating to the medical device, and the non-toxic quantum dots and/or fluorophores are selected to provide response in both of a visible and near infrared (NIR) light range to be located using human vision in response to stimulation by a low-power ultraviolet black light source with an excitation wavelength between 320 nm to 400 nm and with a detector in response to an NIR excitation source, wherein the polymer matrix comprises epoxy glue or cyanoacrylate glue.

A composition for coating a medical device, the composition comprising a polymeric matrix comprising two different wavelength emitting non-toxic quantum dots, and/or a fluorophores, wherein the polymeric matrix contains the quantum dots and/or fluorophores and binds as a coating to the medical device, and the non-toxic quantum dots and/or fluorophores are selected to provide response in both of a visible and near infrared (NIR) light range to be located using human vision in response to stimulation by a low-power ultraviolet black light source with an excitation wavelength between 320 nm to 400 nm and with a detector in response to an NIR excitation source, having one of InP/ZnS quantum dots and rubrene for the response in the visible light range and indocyanine green for the response in the NIR light range, and the polymer matrix consists of one of methyl 2-cyanoacrylate, polymeric organosilicon and epoxy glue.

A medical device coated with a coating approximately 5 μm to 20 μm in thickness, wherein the coating is a composition comprising a polymeric matrix comprising two different wavelength emitting non-toxic quantum dots, and/or a fluorophores, wherein the polymeric matrix contains the quantum dots and/or fluorophores and binds as a coating to the medical device, and the non-toxic quantum dots and/or fluorophores are selected to provide response in both of a visible and near infrared (NIR) light range to be located using human vision in response to stimulation by a low-power ultraviolet black light source with an excitation wavelength between 320 nm to 400 nm and with a detector in response to an NIR excitation source.