81 results about "Laser surgery" patented technology

According to the anti-blocking adsorption laser operation endoscope and the method, the anti-blocking adsorption laser operation endoscope is installed at the position far away from an endoscope body and an adsorption opening through an adsorption switch, or the adsorption opening is a plane or a curved surface and comprises a structure of at least two open holes and matched size design. Or an ultrasonic device and an installation mode of the ultrasonic device are adopted, so that the probability that the broken stones block the suction channel is greatly reduced, and blockage is prevented, and meanwhile, the stones are continuously reset at the position of the suction port through a method that the suction switch repeatedly and continuously connects and disconnects the suction port and the suction source; therefore, the continuous laser lithotripsy performance during the operation is kept; through the program control of the suction switch of the anti-blocking adsorption laser operation endoscope, the working intensity of an operation doctor during the operation for controlling an instrument is reduced, so that the operation is more convenient and simpler; through the design of the quick-connection type connector of the anti-blocking broken stone adsorption laser operation endoscope component, instrument sterilization is more convenient, function expansion is more flexible, or independent production is arranged; the invention relates to a method for treating human and animal focuses, especially calculi, by using an anti-clogging laser surgery endoscope catheter.

The invention relates to the technical field of laser control, and discloses a laser control method and device for an ultra-pulse thulium-doped fiber laser operation system, and the method comprises the steps: generating a PWM time-base waveform through an FPGA, and generating a reference duty ratio instruction based on a target pumping current value; the total response delay time of the acousto-optic modulator is calculated, the FPGA sends a trigger pulse to the acousto-optic modulator according to the total response delay time, the gated modulation laser is output to the optical fiber output end to obtain an analog voltage signal, and the analog voltage signal and the numerical value of the target power register are used for calculating a duty ratio correction increment; the duty ratio correction increment and the reference duty ratio instruction are updated to a duty ratio register of a PWM time base waveform, and multiple paths of pump cooperative driving waveforms are output. The technical problems of pump current response lag, acousto-optic modulator triggering jitter and optical power nonlinear saturation in an ultra-pulse thulium-doped fiber laser operation system are solved; and the laser pulse energy stability, the response speed and the long-term reliability are improved.

The invention belongs to the technical field of control systems, and particularly relates to a control system based on combination of dynamic focal length adjustment and vision correction, which comprises a bearing plate and a parameter configuration and feedback module, the two sides of the top of the bearing plate are rotationally connected with lens groups, and the parameter configuration and feedback module is used for collecting user information and initial matching training core parameters and sending the initial matching training core parameters; continuously receiving multi-dimensional real-time feedback, and iteratively optimizing parameters based on the feedback; the dynamic training content generation module is used for generating dynamic 2D and 3D contents and interactive games of adaptive set and adjustment training according to the training parameters optimized by the parameter configuration and feedback module; on the basis, through an adjusting and training mechanism combining hardware and software, personalized adaptation to vision requirements of different users is achieved, medical risks and high cost of laser surgery are avoided, and the problems that traditional glasses and contact lenses are limited in adaptability and inconvenient to use in daily life are solved.

Disclosed are systems and methods for determining target characteristics during a laser procedure, comprising (i) obtaining a relationship between (i) a number of pixels associated with a light beam reflected from a target or an object located in proximity to the target on an endoscopic image obtained from a video sensor coupled to an endoscope and (ii) a distance of the target from a tip of the endoscope. The method further comprising (ii) measuring the number of pixels associated with the light beam reflected from the target or the object located in proximity to the target during a procedure, and (iii) based at least in part on the relationship obtained in step (i) and the measured number of pixels in step (ii), determining at least one of a size of the target or a distance of the target from the tip of the endoscope.

The utility model discloses a time division multiplexing coated lens for laser surgery, which comprises a substrate lens and a film material layer, the film material layer is fixed on the substrate lens, the film material layer is provided with at least two kinds of film materials, including a high refractive index film and a low refractive index film, the high refractive index film and the low refractive index film form an irregular film system, particularly an anti-reflection film system, and the film material layer is provided with at least two kinds of film materials. According to the utility model, the K9 glass is used as the substrate, the H4 and MgF2 film material combination is selected and used, and an anti-reflection film system which simultaneously plays an anti-reflection role in visible light wave bands of 400-700 nm and three near-infrared laser wavelengths of 980 nm, 1064 nm and 1470 nm is designed, so that the light energy efficiency and the signal-to-noise ratio of an optical system are effectively improved; in the laser operation process, laser sources with multiple wavelengths can be switched and used, and real-time imaging and monitoring can be achieved.

The invention discloses a medical recombinant collagen repair liquid preparation method, which is prepared from the following raw materials by weight: 1-100 g of recombinant collagen, 1-100 g of sodium hyaluronate, 1-100 g of glycerol, 1-100 g of purified water, and 1-10 g of methylparaben. The medical recombinant collagen repair liquid can effectively repair skin barriers and treat skin injuries caused by multiple reasons such as burns, wounds and laser postoperations, and meanwhile, the medical recombinant collagen repair liquid has remarkable advantages in the fields of gynecological inflammation treatment, private anti-aging, micro-ecological balance maintenance, wound healing promotion, tissue elasticity and compactness improvement and the like. Adverse reactions such as allergy are effectively reduced, and the requirements of people for high efficiency and safety of skin repairing products are met.

In certain embodiments, a patient interface for an ophthalmic laser system comprises an interface portion and a mounting portion. The interface portion comprises a contact portion, a conical wall, and one or more structures. The contact portion has an abutment surface configured to contact the cornea of ​​the eye. The conical wall is disposed outwardly of the contact portion and defines an interior of the cone. The conical wall has an inner surface and an outer surface, the inner surface defining the interior of the cone. The conical wall has an upper portion and a lower portion, the lower portion being coupled to the contact portion. The one or more structures direct light from the conical wall toward the interior of the cone. The mounting portion mounts the interface portion to the cornea of ​​the eye.

The trachea cannula comprises a cannula body, a fixing air bag, an anti-burning air bag and an anti-burning layer, on the first hand, the cannula body can be a hose, the cannula body can directly pass through the glottis, it is avoided that airflow influences the stability of tissue in an operation area, and the operation stability and safety are guaranteed; secondly, an anti-burning air bag can be arranged on the subglottic part, the air pipe and the glottis are directly blocked through the anti-burning air bag after the anti-burning air bag is ventilated, and the subglottic air pipe is prevented from being damaged by CO2 laser in the operation process; thirdly, the surface of the anti-burning air bag is covered with an anti-burning layer made of a contractile flame-retardant material, and serious complications caused by spontaneous combustion induced in the CO2 laser operation process can be prevented; fourthly, through the arrangement of an anti-burning air bag and an anti-burning layer, the gap between the glottis and the airway can be completely sealed conveniently, and the situation that bleeding and seepage flow into the airway in the operation process to cause related complications of the lung is prevented.

Systems, devices, and methods for direct user control of a medical laser system to provide adjustable laser treatment to a target without shutting off laser emissions during a medical laser procedure are described. An exemplary medical laser system comprises a laser system to emit laser pulses via an optical fiber to an anatomical target of a patient, an actuator operable by a user to spontaneously activate or adjust laser system operation, and a controller circuit to provide a feedback to the user about the spontaneous activation or adjustment of the laser system operation. The controller circuit may generate a control signal to cause the laser system to emit laser pulses in accordance with the spontaneous activation or adjustment of the operation of the laser system.

The invention belongs to the technical field of laser surgery, and particularly discloses a path broadening and overlap removing laser surgery positioning method and system and a program product, which can greatly improve the efficiency and accuracy of laser surgery by performing path construction, path broadening and overlap removing processing on continuous path points in a surgical area automatically acquired by a robot; a non-overlapping path widening area is ensured through a refined overlapping removing mechanism, and the precision and safety of laser operation path positioning are effectively improved; the path widening and splitting degree can be flexibly adjusted according to the requirements of the laser surgery, so that the precision requirements under different laser surgery scenes are met; by automatically generating the standard format laser operation coordinate positioning file, the system compatibility and clinical operation convenience can be improved. The system has the capabilities of automatically collecting and splitting the laser operation path, precisely widening and removing overlapping of the path and standardizing positioning output, and can realize efficient processing and precise control of the robot-assisted laser operation path.

A micromanipulator (1) for manipulating a laser beam (L in , L scan ) of a laser surgery device, comprising a scanner (10) for generating at least one scan figure (60) and at least one control element for controlling the scanner (10), wherein the control element comprises a rotating element (51), wherein a rotation (D d) of the rotating element (51) causes a rotation (D s) of the scan figure (60), which depends on the size and / or speed of the rotation (D d) of the rotating element (51), wherein the rotating element (51) can rotate freely without limiting the angle of rotation and the scan figure (60) follows this free rotation without restrictions, and a laser surgery device with said micromanipulator (1).

The utility model discloses a femtosecond laser surgery system based on wavefront modulation, a laser device of the femtosecond laser surgery system emits double-pulse laser, the first pulse laser is low in energy and is used for exciting glow / fluorescence signals in a turbid crystalline lens; the excitation light signal penetrates through the turbid medium and is imaged on the wavefront measurer through the focusing lens; the excitation signal light wave front carries turbid medium scattering information on a light propagation path. The wavefront measurer carries out conjugate processing on captured wavefront information and loads the information to the wavefront modulator, wavefront pre-modulation is carried out on a second strong pulse laser, and scattering of light in a turbid medium is compensated. The second cutting intense pulse laser is focused in the turbid medium in a high-quality mode, and effective focusing is achieved.

A laser surgery apparatus equipped with a cooling system according to an embodiment of the present application includes a laser module that irradiates a patient's skin with a laser beam; a sensor for detecting the temperature of the patient's skin surface before, during, or after the skin is heated by the laser beam; an inlet for receiving a coolant from a coolant storage portion; a nozzle for spraying the coolant toward the skin; a conduit connecting the inlet and the nozzle; a flow rate regulator that controls the amount of spraying of the coolant by using a valve located on the conduit and connecting or disconnecting the inlet and the nozzle; and a coolant condition regulator that applies heat energy to the coolant by using a thermoelectric element located between the flow rate regulator and the nozzle.

The present invention relates to a laser surgical system for cutting hard tissue on an object, comprising a handheld laser applicator, a collaborative robot with a robot arm to which the handheld laser applicator is attached, a navigation system with which the instantaneous position of the laser applicator relative to the object can be detected, and a controller for the collaborative robot. The laser applicator has a measuring device with which the cutting depth of a kerf produced by a processing laser beam and the residual thickness of the hard tissue in the kerf can be measured.The control system directs the collaborative robot during the execution of a cut based on data from the navigation system and the measuring device in such a way that it maintains a cutting distance of the laser applicator to the object required for cutting via the robot arm and only allows a feed movement of the laser applicator along a cutting line by the operator when a cut that has just been carried out is completely finished.

Systems, devices and methods are provided to deliver microporation medical treatments to improve biomechanics, wherein the system includes a laser for generating a beam of laser radiation on a treatment-axis not aligned with a patient's visual-axis, operable for use in subsurface ablative medical treatments to create an array pattern of micropores that improves biomechanics. The array pattern of micropores is at least one of a radial pattern, a spiral pattern, a phyllotactic pattern, or an asymmetric pattern.

The invention discloses a femtosecond laser operation flat-topped beam shaping optical system which comprises a laser, a beam expander, a DOE shaping module and a focusing scanning module. The laser is used for outputting a femtosecond Gaussian laser beam, and the femtosecond Gaussian laser beam sequentially passes through the beam expander, the DOE shaping module and the focusing scanning module and then acts on an operation area; the beam expander is used for expanding the diameter of the femtosecond Gaussian laser beam to the beam diameter used for cutting the light path; the DOE shaping module comprises a DOE diffractive optical element; the DOE diffractive optical element is arranged on a path of the femtosecond Gaussian laser beam and is used for converting an incident Gaussian beam into a flat-topped beam with uniformly distributed energy through phase modulation; the flat-topped light beam has no local energy peak value, thermal damage and excessive ionization of traditional Gaussian laser to normal tissues of eyes are avoided, postoperative inflammatory response is light, the tissue recovery speed is increased, and the risk of operative complications is reduced.

Methods of treating an eye are provided that entail partially penetrating the sclera and delivering light energy from an optical fiber within the penetration to treat the a target tissue in the eye, for example, to coagulate vasculature underlying the sclera within a planned incision area. Also provided are treatment probes for treating an eye of a patient includes an elongate body that defines a handle and an advanceable penetrating member and optical fiber housed within the elongate body. The probe is configured to advance the penetrating member so as to penetrate the sclera, only partially, and advance the treatment fiber into the penetration to deliver treatment light energy to coagulate the vasculature underlying the sclera. The probe can include one or more penetrating members and corresponding optical fibers to form one or more penetrations concurrently within the planned incision area.

In certain embodiments, an ophthalmic laser surgical system for treating a floater in a vitreous of an eye includes a floater detection system, a laser device, and a computer. The floater detection system determines the location of the floater in the vitreous of the eye. The laser device directs a laser beam along a laser beam path towards the floater. The computer accesses a three-dimensional scan pattern for the laser beam that yields a three-dimensional pulse pattern of laser pulses. The three-dimensional pulse pattern has a bubble shield pulse pattern at the posterior side of the three-dimensional pulse pattern. The bubble shield pulse pattern forms a bubble shield that reduces laser radiation exposure at a retina of the eye. The computer instructs the laser device to direct the laser beam towards the floater according to the three-dimensional scan pattern.

This invention discloses a holmium ion-doped yttrium gadolinium oxide single-crystal optical fiber, its preparation method, and its applications, belonging to the field of laser materials and laser technology. The chemical formula of the single-crystal optical fiber is Ho. 3+ YGdO3, wherein the Ho ion doping concentration is 0.2-1.0 at.%, is a cubic C-type sesquioxide crystal structure with space group Ia-3. This crystal exhibits characteristic absorption peaks at wavelengths of 1100-1200 nm and Ho-derived absorption peaks at 2.80-2.90 μm. 3+ ion 5 I6→ 5 Broad-spectrum mid-infrared fluorescence emission with I7 level transition; this crystal possesses a wide gain bandwidth, a large emission cross section, and excellent thermal properties, making it less prone to thermal lensing and thermal depolarization under continuous or high-repetition-rate pumping of single-crystal fibers, thus ensuring high stability of laser output. It is particularly suitable for realizing broadband tunable and ultrafast mode-locked mid-infrared lasers, and has broad application prospects in laser surgery, environmental monitoring, remote sensing, and other fields.

This invention relates to the field of optical objective lens technology specifically designed for medical applications, specifically to an optical lens for laser surgery, comprising ten lenses arranged sequentially along the optical axis from the object side to the image side: a first lens with negative optical power, a second lens with positive optical power, a third lens with positive optical power, a fourth lens with positive optical power, a fifth lens with negative optical power, a sixth lens with negative optical power, a seventh lens with positive optical power, an eighth lens with negative optical power, a ninth lens with negative optical power, and a tenth lens with positive optical power. This invention solves the problem of low energy density in the prior art.

Particular embodiments disclosed herein provide methods and systems for aligning multi-core fibers with multi-spot laser beam patterns of laser surgical systems. In particular, certain aspects provide techniques for aligning a rotational angle, or “clocking” angle, of a multi-core fiber with a fixed multi-spot laser beam pattern of a laser system utilizing digital imaging and analysis.

A method of enhancing the quality of a skin scar by topical application of an agent for improving scar quality is characterised in that said agent is pre-emptively applied to a potential surgical cutaneous site in advance of surgery, including surgery involving use of lasers. The topical agent may be a polyphenol, such as (-)-epigallocatechin-3-gallate (EGCG). Use of such a topical agent in advance of surgery leads to significant beneficial effects on dermal scarring by reducing mast cells, angiogenesis, skin thickness and simultaneously increasing elastin content. The topical agent may be applied directly or incorporated in a dressing, such as in a dermal patch comprising an adhesive silicone sheet, and can be worn both in the lead up to surgery and post-operatively.

This application provides an image processing method, system, and device for eliminating laser delamination. This application locates and corrects the laser delamination area in an image frame so that the corrected laser delamination area and other image areas in the current image frame meet preset approximation conditions. This ensures that the display of the current image frame (including the corrected laser delamination area) is close to a normal image, avoiding the phenomenon of dynamic "bright light bars" appearing from time to time when it is displayed. This can reduce the visual discomfort of physicians during laser surgery and enable the surgery to achieve the desired effect smoothly.

The application discloses a wave aberration sensor compatible with high precision and large dynamic range, and belongs to the field of optical precision measurement and detection. The wave aberration sensor comprises a projection module, an array structured light chip and a detection module. The core idea of the wave aberration sensor is that different characteristic phases are encoded in each sub-aperture based on an array structured light chip, so that a plurality of structured light spots with obvious characteristics can be generated in the focal plane, and the different sub-aperture light spots can be distinguished. Based on the array structured light chip, the wave aberration sensor can realize measurement with a larger dynamic range without sacrificing the measurement precision. The wave aberration sensor can realize measurement of various laser wavefronts and wave aberration detection of various lenses. Therefore, the wave aberration sensor has important practical value in the fields of laser processing, laser surgery, ophthalmic detection and optical imaging.

The application belongs to the technical field of laser surgery, and specifically discloses a laser surgery positioning method, system and program product for path widening and overlap removal. The method can greatly improve the efficiency and accuracy of laser surgery by performing path construction, path widening and overlap removal processing on the continuous path points in the surgery area collected by the robot automation. The method ensures the non-overlapping path widening area through a fine overlap removal mechanism, effectively improving the accuracy and safety of laser surgery path positioning. The method can flexibly adjust the path widening and splitting degree according to the requirements of laser surgery to meet the accuracy requirements in different laser surgery scenarios. The method can automatically generate a standard format laser surgery coordinate positioning file, improving the system compatibility and clinical operation convenience. The application has the ability of automatic collection and splitting of laser surgery path, accurate widening and overlap removal of path, and standardized positioning output, and can realize efficient processing and accurate control of the robot-assisted laser surgery path.

The present invention provides a laser fiber operator. The laser fiber operator includes a first pipe sleeve for mounting, and the first pipe sleeve is provided with a front passage for threading of an optical fiber in an axially through manner. Moreover, a first guide pipe, a second guide pipe, and a third guide pipe are axially mounted at a front end of the first pipe sleeve, and flow guide passages are formed between the guide pipes. Similarly, a second pipe sleeve and a third pipe sleeve are coaxially mounted at a rear end of the first pipe sleeve, and a flow guide passage is also formed between the second pipe sleeve and the third pipe sleeve. As the passages at the front end and the rear end of the first pipe sleeve are correspondingly connected and independently provided, effects of suction drainage and flushing drainage can be achieved according to requirements of use. Moreover, valves are disposed on the corresponding passages to achieve control over suction and flushing. An incision is rapidly and accurately flushed and cooled during cutting of a laser surgery, a field of view can be improved, and surgical efficiency and safety are improved. In addition, cutting, flushing and suction functions are integrated, and a surgeon can achieve the above operations with one hand, and usage is more convenient.

The application provides a center positioning system for femtosecond laser ophthalmic corneal refractive surgery, which comprises an iris recognition component, a central processing component and a real-time display component, the iris recognition component is used for converting a real-time image of a patient into a digital image; the central processing component is electrically connected with the iris recognition component, and the central processing component is used for converting the digital image into an iris simulation image with a size equal to that of a pre-recorded patient examination iris image; the real-time display component is electrically connected with the central processing component, is used for receiving the iris simulation image transmitted by the central processing component, and presents the iris information transmitted by the central processing component in real time. Meanwhile, a center positioning method is also provided, which takes the corneal vertex as the center, calculates the self-rotation angle of a treated eye of a patient by comparing the image angle difference between the iris simulation image and the pre-recorded real-time image, improves the positioning accuracy, significantly reduces the residual myopia and astigmatism, and improves the safety of the ophthalmic femtosecond laser surgery.

A patient interface device (PID) for contacting an eye surface and having a meniscus conversion component. A pin, clip and ridge configuration for holding a window and holding an open BSS reservoir in the PID. A PID for an integrated system and method for performing laser and phacoemulsification procedures. A PID for a reconfigurable system for performing laser surgery in a laser configuration and then reconfigured to a phacoemulsification configuration to perform phacoemulsification and then reconfigured back to the laser configuration.

The utility model relates to the technical field of goggles, in particular to a turnover ophthalmology laser operation goggle which comprises a long-strip-shaped supporting frame, first blocking parts are arranged at the two ends of the supporting frame, and a second blocking part is arranged in the middle of the supporting frame; the first blocking part and the second blocking part form a placing groove for placing an ophthalmic operation microscope eyepiece; the fixing part is arranged on the support frame and is used for fixing the support frame on the ocular lens of the ophthalmologic operation microscope; the protective lens is hinged to the supporting frame through the connecting part. The ophthalmic laser operation goggles can be accurately placed on an eyepiece of a microscope through the placing groove, and when laser protection is needed, the protective lens can be put down to block in front of the eyepiece of the microscope, so that the protective effect is achieved; when the laser protection is not needed, the surgical field can recover to the conventional light only by turning over the protective lens upwards, the operation is simple and convenient, and the operation continuity of a doctor is not influenced.

1. The name of the design product: thulium laser surgical instrument (vertical SHE-LSP601). 2. The use of the design product: for facial beauty. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.