A glaucoma drainage tube is provided. The glaucoma drainage tube is a glaucoma drainage tube for draining aqueous humor, and includes a canal through which the aqueous humor flows, and a displacement member that is arranged at an inlet of the canal and is displaced so as to reciprocate in response to a flow of the aqueous humor flowing therein.

A corneal device comprising a base surface and a top surface, and having a water content ranging from about 78%-92% (w/w), inclusive. The corneal device can be used to treat, for example without limitation, ectatic corneal disease by supporting corneal structure weakened by the disease and/or changing an anterior curvature of the cornea.

A corneal device comprising a base surface and a top surface, and having a water content ranging from about 78%-92% (w/w), inclusive. The corneal device can be used to treat, for example without limitation, ectatic corneal disease by supporting corneal structure weakened by the disease and/or changing an anterior curvature of the cornea.

A glaucoma drainage device includes an elongated body extending axially from a distal end to a proximal end. The distal end forms a wedge with a leading distal edge. During implantation of the device into the suprachoroidal space of the eye, the wedge can facilitate penetration into and spreading open the tissue of the suprachoroidal space. The elongate body has one or more outer surfaces that define at least one open groove extending from at or near the proximal end towards the distal end of the body. With the distal end of the elongate body located in the suprachoroidal space of the eye and the distal end of the elongate body extending into the anterior chamber of the eye, the at least one open groove is configured such that aqueous humor flows along the open groove from the anterior chamber of the eye to the suprachoroidal space of the eye.

The present invention relates to a device adapted to create a sterile environment located at the patient’s head and face level, necessary during surgical and para-surgical procedures, for example in the dermatological, aesthetic-plastic, reconstructive and ophthalmic fields. Said device, small in size and easily transportable, allows to create a sterile environment located in the surgical area without the need for an operating theatre.

The present invention relates to a device adapted to create a sterile environment located at the patient’s head and face level, necessary during surgical and para-surgical procedures, for example in the dermatological, aesthetic-plastic, reconstructive and ophthalmic fields. Said device, small in size and easily transportable, allows to create a sterile environment located in the surgical area without the need for an operating theatre.

Disclosed is a surgical instrument for cataract eye surgery. The instrument generally includes a handpiece that delivers sub-ultrasonic and ultrasonic vibrations in either a steady-state emulsification mode or with on-off pulses that dynamically drives a hollow needle in either a pulsed fragmentation mode or a pulsed emulsification mode. The pulsed fragmentation mode is efficient at cutting lens tissue and the pulsed emulsification mode is efficient and emulsifying the cut lands tissue. The pulsed modes manage heat buildup from becoming excessive in the eye during the cataract surgery. While in the pulsed fragmentation mode, the hollow needle is never given the chance to vibrate at an established resonant frequency of the handpiece due to the short on-off period. In contrast, the pulsed emulsification mode has a long enough on-off period to permit an ultrasonic resonant frequency in the handpiece to develop thereby driving the hollow needle at a higher energy than the pulsed fragmentation mode.

In some embodiments, a microsurgical instrument includes a trocar having a rigid, hollow shaft formed with a lumen extending from a proximal end to a distal end of the shaft. The distal end of the shaft may be shaped for tissue penetration. The instrument may further include a composite microcannula slidably engaged with the trocar in the lumen. The microcannula includes a light guide and a flexible hollow tube having an outer diameter less than an inner diameter of the lumen in the trocar. Other embodiments include placing the microcannula in the lumen of the trocar, illuminating the end of the trocar by illuminating the end of the microcannula, advancing the trocar from a selected entry point on an eye into a selected structure in the eye, and extending the illuminated end of the microcannula from the trocar into the selected structure.

Provided is an ophthalmic instrument that is for retaining a tube member for providing communication between the inside and the outside of an eyeball, such that the tube member is stuck into an outer membrane of the eyeball and that is suitable for retaining the tube member at an outer peripheral portion of a cornea. An ophthalmic instrument includes a main body and a needle portion connected to the main body. The main body has a straight portion and a bent portion. When attaching a tube member to an eyeball, first, the needle portion is inserted through the tube member, and the tube member is stuck into an outer peripheral portion of a cornea as the outer membrane of the eyeball while a hole is made in the outer peripheral portion of the cornea with the needle portion.

Provided is an ophthalmic instrument that is for retaining a tube member for providing communication between the inside and the outside of an eyeball, such that the tube member is stuck into an outer membrane of the eyeball and that is suitable for retaining the tube member at an outer peripheral portion of a cornea. An ophthalmic instrument includes a main body and a needle portion connected to the main body. The main body has a straight portion and a bent portion. When attaching a tube member to an eyeball, first, the needle portion is inserted through the tube member, and the tube member is stuck into an outer peripheral portion of a cornea as the outer membrane of the eyeball while a hole is made in the outer peripheral portion of the cornea with the needle portion.