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10 results about "Phacoemulsification" patented technology

Phacoemulsification is a modern cataract surgery in which the eye's internal lens is emulsified with an ultrasonic handpiece and aspirated from the eye. Aspirated fluids are replaced with irrigation of balanced salt solution to maintain the anterior chamber.

Apparatus, system and method of providing custom vacuum and aspiration in a surgical system

ActiveUS12667487B2Nonlinear algorithmsAspirator
An apparatus, system and method for providing a may include at least a phacoemulsification surgical console having a customizable non-linear custom aspiration mode. The console may include at least an aspirator; a foot pedal; and a non-transitory computing code resident on a computing memory associated with a computing processor which, when executed by the processor, causes to be executed the steps of: receiving a percentage actuation of the foot pedal; calculating, including from a non-linear algorithm, a percentage actuation for the aspirator corresponded to the received percentage foot pedal actuation; and dictating the calculated percentage aspirator actuation to the aspirator.
Owner:JOHNSON & JOHNSON SURGICAL VISION INC

Intelligent ophthalmic phacoemulsification instrument

The present application relates to a kind of intelligent ophthalmic phacoemulsification instrument, belong to medical instrument technical field, to solve the needle and bottle mouth sterile barrier of existing ophthalmic surgery liquid supply equipment in standby state are vulnerable to damage, and the switching delay caused by manual cap / cap is removed.The instrument includes body, solution suspension rod, Y-shaped infusion tube, replacement mechanism and handle.The replacement mechanism includes protection device with embedded rubber plug protection cylinder, and extension linkage structure for automatically opening bottle cap.In work, idle puncture needle is inserted into the rubber plug of protection cylinder and kept sterile wet state;When main infusion bottle is exhausted, motor and electric push rod linkage, drive replacement frame rotation and lifting, in the synchronous use of extension block automatic pull open the pop can of standby bottle, and the puncture needle pulled out from the protection plug is accurately inserted into new bottle.The present application not only realizes the automatic replacement of infusion bottle, ensures that perfusion liquid is in before entering the whole link sterile safety in eye.
Owner:HANGZHOU XIFAN MEDICAL DEVICE TECHNOLOGY CO LTD

A perfusion bottle detection device

ActiveCN224416191Ueasy to useprevent collapseBottleFluid level
The utility model provides a kind of perfusion bottle detection device, for cataract phacoemulsification instrument, perfusion bottle detection device includes support part and detection part, support part is used to place perfusion bottle, and detection part is used to detect the liquid level condition in perfusion bottle;Support part is the cylindrical structure with opening in side face and is surrounded to form a placement area, and perfusion bottle is placed in the placement area;Two sides of support part are all penetrated and are equipped with adjusting slide, two adjusting slides are symmetrically laid out, and detection part includes first detection piece and second detection piece, and first detection piece and second detection piece are respectively located in two adjusting slides and are slidably connected;In addition, first detection piece and second detection piece are connected by support band.
Owner:TONGJI HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI TECH

Intelligent phacoemulsification device and method of use

PendingCN122440401AOphthalmologyPhacoemulsification
The application relates to an intelligent ophthalmic ultrasonic emulsifier and a use method, and belongs to the technical field of ophthalmic surgical instruments, which comprises a main machine body, an operating handle, an anchor component and a viscosity type self-locking mechanism, an ultrasonic amplitude rod, a perfusion pipeline and a suction pipeline are arranged in the operating handle, an emulsification needle head and a perfusion sleeve are arranged at one end of the operating handle, a liquid inlet chamber is formed between the emulsification needle head and the perfusion sleeve, the anchor component is arranged in the liquid inlet chamber and is used for anchoring a hard nucleus in front of an opening of the emulsification needle head, and the viscosity type self-locking mechanism is arranged in the suction pipeline and comprises a hairspring disc body provided with a plurality of micropores; the hairspring disc body is configured to be deformed to block the suction pipeline when a high-viscosity fluid cannot pass through the micropores; the hard nucleus is anchored by the anchor component, so that the ocular tissue is prevented from being damaged by the rebound of the nucleus block; meanwhile, the viscosity type self-locking mechanism is used for instantaneously blocking the suction pipeline when the vitreous body is sucked, so that the retina is prevented from being damaged by traction, and the surgical safety and efficiency are improved.
Owner:JIAXING XIRAN MEDICAL EQUIP CO LTD

An actuator unit, a method and a computer program product

Title: An actuator unit, a method and a computer program product Abstract The invention relates to an actuator unit for operating an ophthalmic surgical phacoemulsification device. The actuator unit comprises a stack of driving piezo elements for driving a tip of the ophthalmic surgical phacoemulsification device. Further, the device comprises a driver circuit arranged for generating a driver signal for actuating the stack of piezo elements. In addition, the device comprises a probing circuit arranged for generating a probing signal for ultrasonically probing an environment of the tip. Furthermore, the device comprises a sensing circuit arranged for receiving a sensing signal resulting from probing the tip environment. The invention also relates to a method and a computer program product. Fig. 1
Owner:DUTCH OPHTHALMIC RES CENT INT

Intelligent assisted phacoemulsification system for phakic intraocular lens

ActiveCN115358144BImage enhancementGeometric CAD3d imageTopographical mapping
The present application relates to a kind of intelligent auxiliary prescription systems of lens eye intraocular lens, comprising: haptics landing line acquisition module, obtain the three-dimensional structure data of anterior chamber and posterior chamber, construct 3D topographic map of ciliary sulcus area by AI three-dimensional image semantics analysis, obtain the best fitting ciliary sulcus line by fitting, with the best fitting ciliary sulcus line as reference, calculate and obtain haptics landing line;Ideal haptics determination module, according to the lateral depth difference between each point on haptics landing line, obtain the ideal haptics position combination sequence of intraocular lens;Crystal matching module, obtain the inventory data of crystal, based on the arch height prediction range and ideal haptics position combination sequence obtained in advance, obtain the best matching intraocular lens and its implant rotation position scheme from the crystal inventory.Compared with prior art, the present application has the advantages of high accuracy of crystal size matching, meeting the stability requirements of crystal implantation, more accurately guiding how to rotate and adjust arch height of crystal and optimizing crystal prescription process.
Owner:EYE & ENT HOSPITAL SHANGHAI MEDICAL SCHOOL FUDAN UNIV

Surgical system priming with pressure calibration utilizing handpiece orientation

ActiveUS12636187B2Eye surgeryDiagnosticsPressure dataPhacoemulsification
A phacoemulsification system and a method are described. The system including: a handpiece having a needle and a sleeve at a distal end and an orientation detection unit; an irrigation module configured to supply irrigation fluid into the eye; an aspiration module configured for aspiring eye fluid; a priming cover for fitting over the distal end of the handpiece during a priming process; external pressure sensors coupled with the priming cover; one or more sensors for monitoring at irrigation and spiration pressure; and a processor configured to operate in a priming process. The priming process includes operating the irrigation module to fill the irrigation channel with fluid and remove air bubbles. The one or more processors are configured for obtaining calibration pressure data from the external pressure sensors and orientation data from the orientation detection unit and for calibrating the sensors of the system in accordance with orientation data.
Owner:JOHNSON & JOHNSON SURGICAL VISION INC

System and methods for a cassette capture mechanism for phacoemulsification surgical applications

ActiveUS12642696B2Eye surgerySurgeryReoperative surgeryPhacoemulsification
A system and method for detecting and / or capturing a cassette is disclosed. The cassette capture mechanism may be used with a surgical console of a surgical system, wherein the system has a cassette receiving area having at least two alignment sensors and a plurality of capture plungers; and at least two capture hooks which may engage with a cassette, wherein at least one of the at least two alignment sensors produces a signal indicative of the presence of a cassette.
Owner:JOHNSON & JOHNSON SURGICAL VISION INC

Ophthalmic flushing and phacoemulsification integrated machine

ActiveCN121401040BSurgical infectionApparatus instruments
The application relates to an ophthalmic flushing and phacoemulsification integrated machine, and belongs to the technical field of medical instruments. The machine comprises a machine body, an I / A handle, a perfusion / suction module, a connecting box and a cleaning mechanism. In view of the problems of the cleaning blind area of the inner wall of the needle screw and the detection dead angle of the sleeve, the application designs a new cleaning logic: the I / A handle is fixed on a U-shaped positioning frame, a cleaning rod is inserted into the needle, the end rubber block of the cleaning rod is matched with the spiral groove, and the adhered impurities in the deep groove bottom are scraped off along the spiral track in the pressing process; meanwhile, the rotating action drives the camera to move around the sleeve, and the transparent tube wall is dynamically and optically detected; and the sewage discharge is controlled in cooperation with the sewage discharge assembly. The application realizes the mechanical precision recovery of the inner wall of the special-shaped flow channel and the non-blind area damage detection of the core component, and effectively reduces the operation infection and operation risk.
Owner:HANGZHOU XIFAN MEDICAL DEVICE TECHNOLOGY CO LTD