摘要:
A transdermal permeant delivery system for delivery of at least one permeant composition into a tissue membrane of a subject including a disposable substrate having at least a portion of a bottom surface of a first release liner connected to an upper surface of the substrate and a patch having a backing layer and a reservoir that is selectively removable from the top surface of the first release liner. In a connected position, a first portion of the backing layer of the patch is releaseably mounted to a top surface of the first release liner in spaced registration with a portion area of the substrate.
摘要:
A system for delivering a permeant into a biological membrane, wherein said system comprises a microporation system for borming at least one delivery opening in an area of a biological membrane and a patch for delivering a permeant across said area, wherein said at least one delivery opening has a mean opening depth of between about 40 and about 90 microns.
摘要:
The invention provides for improved devices and methods for forming openings in a biological membrane for delivering substances into an animal through the biological membrane for treatment applications, or extracting substances from the animal through the biological membrane for monitoring or other diagnosis applications and for increased transmembrane flux.
摘要:
A method of enhancing the permeability of the skin (120,274) to an analytic for diagnostic purposes or to a drug for therapeutic purposes is described utilizing micro-pore and optionally sonic energy and a chemical enhancer. If selected, the sonic energy may be modulated by means of frequency modulation, amplitude modulation, phase modulation, and/or combinations thereof. Micro-pore is accomplished by (a) ablating the stratum corneum (274) by localized rapid heating of water such that water is vaporized, thus eroding cells; (b) puncturing the stratum corneum (274) which a micro-lancet calibrated to form a micro-pore of up to about 1000 µm in diameter; (c) ablating the stratum corneum (274) by focusing a tightly focused beam of sonic energy onto the stratum corneum (274); (d) hydraulically puncturing the stratum corneum (274) with a high-pressure jet of fluid to form a micro-pore of up to about 1000 µm in diameter; or (e) puncturing the stratum corneum (274) with short pulses of electricity to form a micro-pore of up to about 1000 µm in diameter.
摘要:
A device and methods of use for delivering a drug to the body, or monitoring an analyte found in the body, are described. The device (10) comprises a base (14), a plurality of puncturing members (18) extending therefrom, a plurality of holes (26) extending through the base for the passage of drug or the analyte therethrough, and a network of channels (66) for distributing the drug or collecting the analyte. Methods of trans-dermal or trans-mucous delivering a drug or monitoring an analyte are also disclosed.
摘要:
A tissue interface device (10) suitable for positioning on or about one or more artificial openings in a biological membrane of an organism and for coupling to a monitor and control unit and a vacuum source. The tissue interface device (10) comprises a housing (100), a sensor channel (130), and a sensor (150). The housing (100) defines an orifice (120), the orifice (120) having an open inlet port (122) on the bottom end (102) of the housing (100) and a distal end (124) that is in fluid communication with the sensor channel (130). The orifice (120) is in fluid communication with fluid that flows from the artificial opening formed in the biological membranes. The sensor channel (130) is for coupling to, and fluid communication therewith, the vacuum source. The sensor (150) is positioned in the sensor channel (130) in a flow path of the fluid for sensing a characteristic of the fluid as it flows out from the artificial opening. The sensor generates a sensor signal representative thereof.
摘要:
The invention provides for improved devices and methods for forming openings in a biological membrane for delivering substances into an animal through the biological membrane for treatment applications, or extracting substances from the animal through the biological membrane for monitoring or other diagnosis applications and for increased transmembrane flux.
摘要:
The invention provides for a transdermal drug delivery device for forming a drug delivery patch system comprising: a) an actuator comprising; i) an outer body defining a top of the actuator, the outer body containing a cavity; ii) a controller board comprising driving electronics and a battery, the controller board being positioned within the cavity; and iii) an interface connection port for receiving a porator array, the interface connection port containing an anode and a cathode; b) the porator array comprising: i) a top surface, with a removable adhesive attached to the top surface, the top surface containing two concentric electrical contact rings for contacting the interface connection port at the anode and the cathode upon removal of the adhesive layer; ii) a bottom surface comprising a tissue interface membrane, the tissue interface membrane further comprising a substrate with at least one porator contained on or within the substrate, the bottom surface further comprising an adhesive layer for attaching the porator array to a tissue membrane; and iii) an extension tab laterally and removably attached to the bottom surface, the extension tab including an adhesive applied on the bottom thereof, thereby allowing the extension tab to remain on the tissue membrane upon removal of the porator array; and iv) a release liner removably attached to the bottom surface; and c) a reservoir patch attached to the extension tab, the reservoir patch being applied to the microporated area of the tissue membrane after poration. The invention also provides for methods of making and methods of using the same.
摘要:
A system and method for extracting a biological fluid from an organism and continuously monitoring its characteristics. The system comprises a tissue interface device (100) suitable for positioning on or about the surface of the biological membrane of the organism and a monitor and control unit (200) coupled to the tissue interface device (100). The tissue interface device (100) comprises a sensor (115) positioned in a flow path of the fluid for continuously sensing a characteristic of the biological fluid as it flows out from the one or more artificial openings formed in the biological membrane. The sensor (115) generates a sensor signal representative thereof. The monitor and control unit (200) electrically or optically reads the sensor (115) to obtain a measurement of a characteristic, such as concentration of a particular analyte, of the biological fluid on a continuous basis.