摘要:
Methods and compositions are provided here to manage tractional membranes, as well as other diseases and disorders of the eye. Compositions comprising microbubbles associated with enzymes or vitreolytic agents, are provided. The method of the present invention involves administration of the microbubble and an enzyme or vitreolytic agent to a subject in need thereof, followed by application of ultrasound.
摘要:
Systems, devices, and methods are presented for a prosthetic injectable intraocular lens. One or more silicone elastomeric patches located outside the optical path on the anterior side but away from the equator can be accessed by surgical needles in order to fill or adjust optically clear fluid within the lens. The fluid can be adjusted in order to set a base dioptric power of the lens and otherwise adjust a lens after its initial insertion. The elastomeric patches are sized so that they self-seal after a needle is withdrawn. A straight or stepped slit in the patch can allow a blunt needle to more easily access the interior of the lens.
摘要:
A multiplexed OCT imaging system includes a plurality of sample arms, an imaging engine, and an optical controller. The sample arms are optically coupled to the imaging engine via the optical controller; the optical controller multiplexes optical signals from the sample arms to permit some of the sample arms to operate sequentially or simultaneously.
摘要:
A biological tissue cutting and fluid aspiration system provides a plurality of surgical instruments operable independent of an external control console. In some embodiments, each surgical instrument may include all sensors and controls directly applicable to the surgical instrument, and may be used independently. In some embodiments, instruments communicate status information to each other, and adjust operating parameters based on the communications.
摘要:
The disclosure provides methods and materials suitable for preparing coating layers on substrates. The coatings comprise quaternary amine groups and therefore impart anti-bacterial properties to the substrate. In one embodiment, for example, there is provided a quaternary amine-containing polymeric coating comprising propylene and ethylene repeat units.
摘要:
Thin parylene C membranes having smooth front sides and ultrathin regions (e.g., 0.01 μm to 5 μm thick) interspersed with thicker regions are disclosed. The back sides of the membranes can be rough compared with the smooth front sides. The membranes can be used in vitro to grow monolayers of cells in a laboratory or in vivo as surgically implantable growth layers, such as to replace the Bruch's membrane in the eye. The thin regions of parylene are semipermeable to allow for proteins in serum to pass through, and the thick regions give mechanical support for handling by a surgeon. The smooth front side allows for monolayer cell growth, and the rough back side helps prevents cells from attaching there.
摘要:
A surgical apparatus for use by a surgeon can include a tray and a plurality of surgical instruments. The tray can have a plurality of structures located on an upper side of the tray for receiving the plurality of surgical instruments. The tray can receive a separate control unit. The tray can also have a fluid reservoir receiver for receiving a bottle or container of fluid, such as balanced salt solution. The fluid reservoir receiver can include one or more features, including, a spike, an air vent, and a light. A separate container can be used to place the bottle or container of fluid into the fluid reservoir receiver on the tray. This separate container can include a collapsible section.
摘要:
A sterile surgical tray includes structure for receiving a plurality of surgical instruments, a pump fluid reservoir within the tray, a pump contained within the sterile tray and connected to the pump fluid reservoir, and a motor contained within the sterile tray and connected to the pump. Sterile surgical tray 10 also may include electrical input and output connectors attached to tray.
摘要:
Various adjustable cannula systems are provided. The systems can include an adjustable cannula capable of expansion and/or contraction having an elongate body with a distal end and a proximal end. The adjustable cannula can be coupled to an upper housing and a lower housing such that rotation of the upper housing results in expansion or contraction of the adjustable cannula. The adjustable cannula can also have a proximal end having a lumen larger than a distal end lumen. A plurality of flanges can be formed in the elongate body by a plurality of slits that span a majority of a length of the cannula, including along or proximate to its proximal end and distal end.
摘要:
A probe assembly includes a forward-imaging optical coherence tomography (OCT) probe having a field of view and an instrument, adjacent to the probe, for performing manipulations at least within the OCT field of view.