A61B2090/049

Light therapy spot applicator

Phototherapy systems comprising a therapeutic lamp platform for radiant lamps such as LEDs disposed in a holdable spot applicator assembly, the holdable spot applicator assembly including a reflective surface facing towards a patient and a plurality of LEDs for communicating lamp radiation from the lamps to a user. The lamps and associated circuitry are housed within a holdable elongated structure.

SIDE-FIRE LASER SYSTEM WITH STAND-OFF CATHETER, STANDOFF CATHETER, AND METHOD OF USING SURGICAL LASER TO ACHIEVE BOTH TISSUE VAPORIZATION AND RAPID COAGULATION TO PREVENT OR HALT BLEEDING
20210244472 · 2021-08-12 ·

A side-firing laser system with a standoff catheter includes an optical fiber configured to emit therapeutic laser radiation in a direction generally transverse to an axis of the fiber; and a catheter through which the optical fiber is inserted during a surgical procedure. The catheter includes a transparent end section through which the therapeutic laser radiation passes to vaporize tissue outside the catheter, an open distal end to permit exit of irrigation fluid from the catheter, and an opening in a side of the end section, the opening having dimensions that are approximately equal to or less than cross-sectional dimensions of the therapeutic laser radiation. When the fiber is moved to a position at which the therapeutic laser radiation passes through the opening, the laser radiation causes coagulation or vaporization of tissues.

METHODS AND SYSTEMS FOR LASER OPHTHALMIC SURGERY THAT PROVIDE FOR IRIS EXPOSURES BELOW A PREDETERMINED EXPOSURE LIMIT

A laser surgical method for performing a corneal incision while maintaining iris exposure below a predetermined exposure limit includes: determining an initial iris exposure based on an initial treatment scan, determining whether the initial iris exposure is less than the predetermined exposure limit; generating a revised treatment scan comprising one or more treatment scan modifying elements when the initial iris exposure is greater than the predetermined exposure limit, and scanning the focal zone of a pulsed laser beam according to the revised treatment scan, thereby performing the corneal incision, wherein the one or more treatment scan modifying elements causes the iris exposure to be smaller than the predetermined exposure limit.

HAND-HELD DEVICE FOR PERFORMING A TREATMENT OPERATION

According to an aspect, there is provided a hand-held skin treatment device (2) for applying light to skin of a subject to perform a treatment operation. The hand-held device (2) comprises a rigid main housing (4) accommodating a cooling unit (19); a first treatment head portion (12) coupled to the main housing (4) for performing the treatment operation on a first skin portion, wherein the first treatment head portion (12) comprises a first optical waveguide (16) having a first skin-contact surface (17) with a first total surface area, a first light source (14) for generating light and applying the light to the first skin portion via the first optical waveguide (16) and the first skin-contact surface (17), and a first heat sink (18) thermally coupled to the first light source (14) and to the cooling unit (19); a second treatment head portion (20) for performing the treatment operation on a second skin portion adjacent to the first skin portion, wherein the second treatment head portion (20) comprises a second optical waveguide (24) having a second skin-contact surface (25) with a second total surface area, a second light source (22) for generating light and applying the light to the second skin portion via the second optical waveguide (24) and the second skin-contact surface (25), and a second heat sink (26) thermally coupled to the second light source (22); wherein the hand-held device (2) is operable in (i) a first configuration in which the first and second treatment head portions (12; 20) are in a first spatial arrangement relative to the main housing (4) such that, in an operational position of the main housing (4) relative to the skin, only the first skin-contact surface (17) is arranged in a treatment position relative to the main housing (4) such as to be able to contact the skin over the first total surface area; and (ii) a second configuration in which the second treatment head portion (20) is coupled to the main housing (4) and the second heat sink (26) is thermally coupled to the cooling unit (19), and in which the first and second treatment head portions (12; 20) are in a second spatial arrangement relative to the main housing (4), different from the first spatial arrangement, such that, in the operational position of the main housing (4), the first skin-contact surface (17) and the second skin-contact surface (25) are each arranged in a treatment position relative to the mai

Direct Selective Laser Trabeculoplasty

A system (20) includes a radiation source (48) and a controller (44), configured to display a live sequence of images of an eye (25) of a patient (22), while displaying the sequence of images, cause the radiation source to irradiate the eye with one or more aiming beams (84), which are visible in the images, subsequently to causing the radiation source to irradiate the eye with the aiming beams, receive a confirmation input from a user, and in response to receiving the confirmation input, treat the eye by causing the radiation source to irradiate respective target regions of the eye with a plurality of treatment beams. Other embodiments are also described.

Methods and systems for laser ophthalmic surgery that provide for iris exposures below a predetermined exposure limit

A laser surgical method for performing a corneal incision while maintaining iris exposure below a predetermined exposure limit includes: determining an initial iris exposure based on an initial treatment scan, determining whether the initial iris exposure is less than the predetermined exposure limit; generating a revised treatment scan comprising one or more treatment scan modifying elements when the initial iris exposure is greater than the predetermined exposure limit, and scanning the focal zone of a pulsed laser beam according to the revised treatment scan, thereby performing the corneal incision, wherein the one or more treatment scan modifying elements causes the iris exposure to be smaller than the predetermined exposure limit.

Photobiostimulation device and method of using same
11007373 · 2021-05-18 ·

An apparatus and method for directing light radiation onto an intended treatment area to create an optimum power density in order to promote photobiostimulation to aid in the healing of damaged tissue in the intended treatment area. The apparatus includes a light emitting element capable of simultaneously emitting multiple beams of light radiation have multiple wavelengths onto a target surface area. A hand guide protects the hand of a user from being irradiated and a distance control element ensures a optimum distance between the light emitting element and the target surface area. The apparatus includes multiple layers of safety features to prevent thermal damage of the target surface area and to prevent leakage of the non-focussed light radiation into the atmosphere. The method includes steps for using the apparatus of the present invention.

LOUPES PROTECTION SHIELDS USEFUL IN DENTAL APPLICATIONS
20210137630 · 2021-05-13 ·

Described herein are loupes shields. The shields can be easily attached to the loupes. The loupes shield is composed of a single filter that blocks harmful light. Additionally, the loupes shield includes a connector that permits the loupes shield to be attached to the loupes lens or housing that holds the loupes lens. The loupes shields described are useful in applications where it is desirable to protect the user from being exposed to damaging light. The loupes shields are useful in dental applications such as, for example, dental restorations, where light cure is required to cure the resin applied to a tooth during a dental restoration.

Avoiding blood vessels during direct selective laser trabeculoplasty

A system includes a radiation source and a controller. The controller is configured to designate, for irradiation, multiple target regions on an eye of a patient, and to perform an iterative process that includes, during each iteration of the process, acquiring an image of the eye, based on the image, calculating a location of a different respective one of the target regions, processing the image so as to identify any obstruction at the location, and provided no obstruction at the location is identified, causing the radiation source to irradiate the location. Other embodiments are also described.

TIP FOR MULTIPLE BEAM TISSUE THERAPY
20210059753 · 2021-03-04 ·

The invention provides a tip that permits therapeutic electromagnetic energy systems to deliver multiple beams of overlapping, partially overlapping, and non-overlapping electromagnetic energy in the treatment of tissue disorders and conditions. The tip finds use with laser systems, intense pulsed light systems, LED systems, radiofrequency systems, and microwave systems.