摘要:
An implantable drug delivery device that uses multiple reservoir elements to contain and release doses of active pharmaceutical ingredients. The device includes a first shell element, which has a first enclosed cavity volume and forms a low-permeability barrier. The first shell element is configured to absorb light irradiation from a laser source, the laser irradiation causing a breach in the first shell element. A first active pharmaceutical ingredient is contained in the first enclosed cavity volume and is released when the first shell element is breached. The device also includes a second shell element, which has a second enclosed cavity volume and also forms a low-permeability barrier. A second active pharmaceutical ingredient is contained in the second enclosed cavity volume. The device also includes an envelope element containing the first and second shell elements.
摘要:
An implantable drug delivery device that uses multiple reservoir elements to contain and release doses of active pharmaceutical ingredients. The device includes a first shell element, which has a first enclosed cavity volume and forms a low-permeability barrier. The first shell element is configured to absorb light irradiation from a laser source, the laser irradiation causing a breach in the first shell element. A first active pharmaceutical ingredient is contained in the first enclosed cavity volume and is released when the first shell element is breached. The device also includes a second shell element, which has a second enclosed cavity volume and also forms a low-permeability barrier. A second active pharmaceutical ingredient is contained in the second enclosed cavity volume. The device also includes an envelope element containing the first and second shell elements.
摘要:
The present disclosure relates to methods for visualizing the opening of a drug reservoir of an implantable medical device. In particular, the present disclosure provides methods for observing the release or exposure of contents from a drug reservoir of a medical device placed within the vitreous of an eye of a subject. The methods include implanting a drug delivery device within an anatomy of a subject. The drug device includes a plurality of reservoirs, each loaded with a therapeutic agent and a marker. Furthermore, the drug delivery device comprises a plurality of barrier layers for separating the contents of one of the plurality of reservoirs from the anatomy. The method further includes irradiating at least one of the plurality of barrier layers such that at least one of the plurality of reservoirs is breached, thereby triggering release of the therapeutic agent and the marker from the device. By visually detecting release of the marker into the anatomy, release of the therapeutic agent into the anatomy is verified.
摘要:
This disclosure relates generally to soft tissue augmentation threads, methods of making such threads and uses thereof, for example, in aesthetic applications (e.g., facial contouring, soft tissue augmentation products), surgery (e.g., sutures), drug delivery, negative pressure wound therapy, moist wound dressing, and the like.
摘要:
A valve array for supporting objects such as paper with controlled fluid flow is disclosed. Optional valve arrays can be used to controllably eject marking agents for marking or coating a paper or other suitable substrate. Each valve in the valve array has one or more flap elements positioned in a valve chamber. These flap elements are movable to alternatively block the fluid flow through valve chamber outlets with the aid of various catch mechanisms for controllably latching the flap elements. The catch mechanisms have a disabled state and an activated state for holding and allowing release of the flap elements. Once the catch mechanism are disabled, the flap elements are free to move to another position, provided they can overcome the mechanical fluid flow forces that tend to hold it in position. To counter and utilize such forces for moving the flap elements, an impulse mechanism kicks the flap element into the valve chamber, away from the catch mechanisms. Since the position of the flap elements is unstable, oscillations of the flap elements in the fluid flow will eventually bring the flap element into catchment range of another catch mechanism in an activated state.
摘要:
This disclosure relates generally to cross-linked hyaluronic acid compositions, threads made from such compositions, methods of making such threads and uses thereof, for example, in aesthetic applications (e.g., facial contouring, soft tissue augmentation products), surgery (e.g., sutures), drug delivery, negative pressure wound therapy, moist wound dressing, and the like.
摘要:
This invention relates generally to threads of hyaluronic acid, methods of making such threads and uses thereof, for example, in aesthetic applications (e.g., facial contouring, dermal fillers), surgery (e.g., sutures), drug delivery, negative pressure wound therapy, moist wound dressing, and the like.
摘要:
Methods and apparatus for delivering therapy from an implanted neurostimulator to a patient are provided. One feature is an external controller that acts as a gateway for therapy. The external controller can be a handheld controller that communicates wirelessly with the implanted neurostimulator. In some embodiments, the controller communicates with a database to determine a therapy approval status of the neurostimulator. Therapy can be approved by a physician prescription, or by prepayment, for example. In some embodiments, the neurostimulator is deactivated when no approved therapies remain.
摘要:
Apparatus and methods for nipple and breast formation are described where devices precondition or expand a target nipple tissue to reduce the pressure exerted by the skin on an eventual implant. Generally, the apparatus comprises a mold having a contact surface which is curved in conformance with a breast upon which the mold is positionable, the contact surface having an adhesive for securement upon the breast, and the mold defining a cavity along the contact surface which conforms to a size of a nipple to be formed upon the breast and where the cavity further comprises the adhesive for securement to the nipple. A breast enlargement device comprises a cup larger than the target breast and further defines an inner surface which adheres to the breast when contacted.
摘要:
Methods and apparatus for delivering therapy from an implanted neurostimulator to a patient are provided. One feature is an external controller that acts as a gateway for therapy. The external controller can be a handheld controller that communicates wirelessly with the implanted neurostimulator. In some embodiments, the controller communicates with a database to determine a therapy approval status of the neurostimulator. Therapy can be approved by a physician prescription, or by prepayment, for example. In some embodiments, the neurostimulator is deactivated when no approved therapies remain.