35 results about "Micrographic surgery" patented technology

The set of inventions relates to medical devices, in particular to surgical retractors and wound retractors for displacing and securing anatomy of a surgical incision in a given position during surgery to provide access to a surgical region of a patient's body. A removable clip for a surgical retractor, made as an L-shaped curved member, includes a base provided with a device for fixation in a surgical retractor and a microsurgical instrument recess, and a pair of teeth for holding an anatomical structure. The toothing is configured as a profiled plate with a working area widening to ensure contact with the anatomical structure, the widening being formed by a raised pad located at least on the inner and / or outer end edge side of the lower end of the plane of the toothing plate. The included angle between each tooth part and the plane of the base is smaller than 90 degrees, and therefore gaps used for passing of microsurgical instruments are formed between the tooth parts. The surgical retractor comprises a frame with a rack carrying a fixed arm and a movable arm, the fixed arm and the movable arm being hingedly connected to a retainer for the detachable clip, where the retainer is configured to receive at least one of the aforementioned detachable clips. A removable clip assembly for a surgical retractor includes at least one central dual tooth removable clip; the at least one peripheral double-tooth detachable clamp is constructed to be capable of accommodating the central double-tooth clamp between the tooth parts of the central double-tooth clamp; and at least one central single-tooth detachable clamp. The use of the invention provides an increased working space and a higher degree of freedom of surgical instrument operation, enabling access to the lateral region of the operated structure during surgery without extending the skin incision.

The invention relates to the field of medical apparatus and instruments, in particular to microsurgery glasses which comprise a wearing mechanism, and the wearing mechanism is provided with an acquisition module, an adjusting module, a time sequence reference module, a control module, a fitting module and a display module. The acquisition module comprises a plurality of sub-acquisition units, and the sub-acquisition units are used for acquiring image information of a target area in different directions; the adjusting module is used for adjusting the acquisition angle of the sub-acquisition unit; the time sequence reference module is used for storing an image frame sequence collected according to a preset mode; the control module is used for analyzing the law trend of an abnormal area if the abnormal area appears in the image information, and generating an optimal strategy of collection angle adjustment; the fitting module is used for fitting based on the image information in different directions to generate a complete image; and the display module is used for receiving and presenting the complete image generated by the fitting module. Reflection interference can be reduced, tissue detail imaging is enhanced, and therefore the surgical field definition is improved.

A microsurgical device and methods of use thereof can be used to treat various conditions, including eye conditions, such as glaucoma, using minimally invasive surgical techniques. A dual blade device can be used to cut the trabecular meshwork ("TM") in the eye. The device tip provides access to the Schlemm's canal by its size (i.e., e.g., 0.2-0.3 mm wide) and configuration in which a ramp lifts the TM away from the outer wall of the Schlemm's canal and directs the TM to first and second lateral elements to create first and second incisions through the TM. The size and configuration of the blades are such that the entire TM strip is removed without leaving TM leaflets and without causing collateral damage to adjacent tissue.

The application discloses a kind of microsurgical robot end systems based on hybrid structure, belong to medical equipment and surgical robot technical field, it includes four degrees of freedom operating trolley, five degrees of freedom hybrid mechanical arm and microscope adjustment platform;The five degrees of freedom hybrid mechanical arm is installed in degree of freedom operating trolley, and can move and rotate with operating trolley;The five degrees of freedom hybrid mechanical arm is used to realize the pose adjustment in horizontal plane and the pose adjustment in vertical plane;The microscope adjustment platform is installed in hybrid mechanical arm.This application system realizes multi-degree of freedom, high-precision surgical operation by hybrid structure, with compact structure, rigid-flexible combination and path flexible characteristics, aims at providing more efficient, safer, more intelligent auxiliary operation platform for microsurgery.

In some embodiments, a microsurgical instrument includes a trocar having a hollow rigid shaft formed with an internal lumen extending from a proximal end to a distal end of the shaft. The distal end of the shaft can be shaped for tissue penetration. The instrument can further include a composite microcannula slidably engaged with the trocar in the internal lumen. The microcannula includes a light guide and a flexible hollow tube having an outer diameter that is less than an inner diameter of the internal lumen in the trocar. Other embodiments include placing the microcannula in the internal lumen of the trocar, illuminating an end of the trocar by illuminating an 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.

A robotic surgical assembly includes a slave manipulator with an actuator, a pushing device connected to the actuator, a sensor detecting a contact force on the pushing device, a position sensing system, and a control unit. A surgical instrument is detachable to the slave manipulator and separated from the slave manipulator by a sterile barrier. The surgical instrument includes a frame; an articulated link; a tendon associated with the actuator, having proximal and distal portions secured to the link. A transmission device in contact with the tendon proximal portion exerts a traction action. The transmission device has one degree of freedom of motion relative to the frame. The pushing device releasably and selectively connects with the transmission device to transmit a pushing action to the transmission device through the sterile barrier. An elastic device biases the transmission device to exert a traction action on the tendon.

The present invention provides for a surgical robotic system (100) for performing a microsurgery or supermicrosurgery. The surgical robotic system comprises a control system (102) and a robotic system (104). The robotic system (104) comprises a monitoring unit (106) for monitoring a surgical area, and at least one manipulator arm (108) for manipulating a surgical instrument, wherein the control system (102) is configured to control the monitoring unit (106) and the at least one manipulator arm (108), and wherein the monitoring unit (106) and the at least one manipulator arm (108) are configured and designed to have a common reference frame.

The present application relates to the field of microsurgical auxiliary technology, in particular to a kind of finger pulp micro tissue block amputation replantation repair analysis system on anastomosis arch artery.It includes multimodal data acquisition unit, multimodal data acquisition unit is used to collect and blood vessel state and the multi-source data related to tissue survival, finger pulp tissue block survival analysis unit constructs tissue blood supply adequacy evaluation index, generates tissue state parameter set, repair strategy auxiliary decision unit is based on the constraint condition of different blood vessel anastomosis mode to blood flow carrying capacity requirement, outputs repair strategy parameter set, postoperative microcirculation monitoring and early warning unit is used to receive the postoperative monitoring data of finger pulp micro tissue block after replantation repair is completed, and outputs microcirculation state parameter set.Through the construction of tissue blood supply matching degree index, it is used to predict whether the current blood vessel condition is sufficient to support the metabolic demand of specific volume tissue block, effectively avoid the tissue block delayed necrosis caused by insufficient blood supply.

The utility model relates to the technical field of microsurgical instruments, in particular to a microsurgical instrument for anastomosis or suturing of blood vessels and lymphatic vessels. Comprising microscopic tweezers, the microscopic tweezers comprise a tweezers handle and two tweezers arms connected with the tweezers handle, the two tweezers arms are used for opening a tube wall, strip-shaped grooves are formed in the opposite sides of the two tweezers arms, and the strip-shaped grooves extend in the length direction of the tweezers arms and penetrate from the head ends of the tweezers arms to the tail ends of the tweezers arms. The microneedle is used for being matched with a pair of microscopic tweezers to achieve suturing. The head end of the microscopic tweezers is a tilting arc-shaped semi-cylinder, a small-diameter semicircular groove penetrates through the center of the tilting arc-shaped semi-cylinder, and a 1 / 8 radian microneedle with a 10-degree back angle needle tip is matched, so that when lymphatic vessel-vein anastomosis is carried out under an ultra-microscopic condition, effective support and protection on a blood vessel wall can be realized, and the operation is simple and convenient. And safe and flexible migration of the suture needle in the blood vessel cavity is ensured, the clinical operation efficiency and success rate are greatly improved, and wide clinical application prospects are achieved.

A surgical system for performing a goniotomy procedure includes a means for creating a trabecular leaflet at Schwalbe's line in an eye, wherein the trabecular leaflet is characterized by an opening angle of between about 4 degrees and about 45 degrees defined between the trabecular leaflet and the outer wall of the Schlemm's Canal. The means may include, but is not limited to, a handheld microsurgical cutting instrument having at least one sharpened edge, an invasive or non-invasive laser cutting instrument, a vibratory cutting instrument, or a thermal cutting instrument. In one form, the trabecular leaflet is further characterized as having an arcuate, concave portion facing the outer wall of the Schlemm's Canal.

The technical problem to be solved by the utility model is to provide a special needle collection box for ultra-microsurgery, which can conveniently count the number of surgical needles and surgical sutures and ensure that the surgical needles and the surgical sutures are not lost, and comprises a box body with an open top end, a magnet is arranged at the bottom in the box body, and an adhesive layer is arranged around the top of the magnet; the opening of the box body is provided with a cover body, and the cover body is provided with a convex lens through which the interior of the box body can be observed from the outside.

The invention relates to medical technology, in particular to a two-valve antiglaucomatous shunt and can be used in ophthalmologic microsurgery for the surgical treatment of patients with glaucoma.Summary of the invention consists in that the two-valve antiglaucomatous shunt (1) comprises a biocompatible titanium disc (2) with a diameter of 2.5 mm and a thickness of 1 mm, in which are made two perpendicular channels (7), in one of which are placed two valves (5). At the same time, a titanium tube (3) with an outer end bent at an angle of 45° is inserted into one of the channels. Two other channels of smaller diameter start from the other perpendicular channel, into each of which is introduced a silicone tube (4). The disc (2) is covered with a titanium cap (6) with a diameter of 2.5 mm and a thickness of 0.1 mm and fixed by welding.

In various aspects, a microsurgical apparatus disclosed herein includes a shaft having a shaft distal end, a shaft proximal end with a handle mounted to shaft proximal end. The microsurgical apparatus includes a tool package having an actuator at a tool package proximal end of the tool package and a tool at a tool package distal end of the tool package. The actuator cooperates mechanically with the tool. A sleeve lumen disposed within the tool package slidably receives the shaft for releasable lockable engagement of the tool package proximal end with the handle and with the shaft distal end being generally coextensive with the tool package distal end. Light source(s) and image sensor(s) located proximate the shaft distal end allow viewing of regions distal to the shaft including the tool when the tool package is mounted to the shaft. Exemplary methods of use of the microsurgical apparatus are also disclosed herein.

Embodiments of the present disclosure disclose a medical laser suitable for microsurgery. A specific embodiment of the medical laser comprises a mirror, a gain crystal, a prism group, a Q switch and an output coupling mirror. The mirror is located at the starting point of the outgoing laser, and the gain crystal is arranged behind the mirror. The outgoing laser enters the prism group comprising a first prism, a second prism and a translation assembly from the gain crystal. The first prism is installed on the translation assembly and has a triangular prism structure. The second prism has a quadrangular prism structure. The largest side of the first prism is parallel to the largest side of the second prism. The translation assembly is configured to drive the first prism to translate along a direction perpendicular to the direction of the laser beam propagating between the first prism and the second prism. The Q switch and the output coupling mirror are arranged in sequence behind the prism group. By changing the resonant cavity length through the double prisms and the translation assembly, the pulse width is adjusted in a wide range. Thus, the embodiment improves the efficiency of clinical surgery.

The invention discloses a hand and foot microsurgery wound surface negative pressure drainage nursing device, and relates to the technical field of medical apparatus and instruments, the hand and foot microsurgery wound surface negative pressure drainage nursing device comprises a mounting rack and an adjusting assembly; the left end of the upper side of the mounting frame is provided with a negative pressure pump, the right end of the upper side of the mounting frame is provided with a PLC and a storage battery, the left side of the mounting frame is provided with two corresponding gas-liquid separation assemblies, the left side and the right side of each gas-liquid separation assembly are connected with connecting assemblies, and the left ends of the two connecting assemblies on the left side are provided with switching assemblies; a drainage assembly is installed at the left end of the switching assembly, and a fastening assembly is installed on the lower side of the installation frame. And the adjusting assembly comprises a first three-way pipe, a sealing ball, a rotating disc, an L-shaped guide hole and a rubber ring, the airflow path can be accurately controlled through the adjusting assembly so as to ensure the stability of negative pressure, liquid is prevented from entering the pump body through cooperative work of the gas-liquid separation assembly and the connecting assembly, and the cavity can be rapidly replaced.

"Surgical or microsurgical instrument for robotic remote operation comprising a flexible sleeve having at least one electrically conductive passage" A surgical instrument (1) for robotic microsurgery comprising: a proximal portion (2) and a distal portion (3) movable with respect to the proximal portion; at least one motion joint portion (4) between the proximal portion and the distal portion; a flexible sleeve (10) mounted on the at least one motion joint portion (4) - said sleeve comprises a flexible body suitable for deforming to conform to various operational configurations of the at least one motion joint portion -; said flexible sleeve (10) comprises at least one electrical insulating portion (11) and at least one electrically conductive passage (20); and said at least one electrically conductive passage (20) comprises a proximal contact portion (22) located proximal to the at least one motion joint portion (4) of the surgical instrument; a distal contact portion (23) located distal to the motion joint portion (4) of the surgical instrument; and a flexible electrical conductor (21) extending from the proximal contact portion to the distal contact portion; And a flexible electric conductor (21) is located between the electric insulating portion (11) of the flexible sleeve (10) and at least one motion joint portion (4) of the surgical instrument; and a distal contact portion (23) is electrically connected to the distal portion (3) of the surgical instrument, the surgical instrument.

The application relates to the technical field of ophthalmic microsurgery, and discloses an ophthalmic surgery capsule membrane incision system and method. Liquid light-sensitive conductive precursors are injected to the surface of the anterior lens capsule to conformally spread, a composite surgical probe is used to project a structured light spot, and the light-irradiated area is in-situ cross-linked and solidified into a hydrogel electrode ring; a multi-contact microelectrode array establishes physical contact with the hydrogel electrode ring, contact conformal impedance topology mapping is carried out, and a spatial impedance topology map is obtained; the system calculates and generates a spatial energy distribution matrix of multi-channel cutting energy according to the topology map, and finally releases transient high-frequency radio frequency pulses to the hydrogel electrode ring through the multi-contact microelectrode array to cut the anterior lens capsule. The application eliminates solid physical gaps by using material rheological characteristics, combines spatial differential energy distribution based on impedance feedback, and realizes uniform cutting without thermodynamic tearing.

The application discloses a kind of multi-modal wide field microscopic imaging systems for lymphatic-venous anastomosis, to solve the problem of low imaging contrast of micro-vein and near-infrared I region imaging of lymphatic in clinical microsurgery operation, and the positioning accuracy is insufficient.The application adopts upright wide field microscopic imaging system, single silicon-based detector, switchable optical module to realize the near-infrared II region lymphatic fluorescence imaging, vein negative development and bright field imaging under ocular lens.The application is based on the absorption curve of hemoglobin and blood, combined with the characteristics of microscopic objective lens collecting light under the condition of wide field microscopic system, and innovatively introduces the vein negative development of 416-456nm wave band light, significantly improves the contrast of vein and surrounding tissue, and uses near-infrared II region fluorescence imaging to improve the depth and signal background ratio of lymphatic imaging, with low cost, simple principle, suitable for lymphatic-venous anastomosis and other microsurgery, to provide more fine and reliable imaging support for clinic.

A system for performing a microsurgery or ocular surgery including a cannula having an intraocular portion connected to an infusion tube. The intraocular portion includes fenestrations at its distal end. The intraocular portion receives fluid through the infusion tube and dispenses the fluid through the fenestrations lessening the flow at an infusion site in an eye. The surgical apparatus includes a vitreous cutter. The vitreous cutter includes a suction tube at one end and a shaft at another end. The cutting port cuts vitreous into smaller pieces or a laser that liquefies the vitreous. The shaft receives the cut vitreous pieces and the suction tube draws out the cut vitreous pieces from the eye. The surgical apparatus includes a vitreoretinal surgical tool having a vitreoretinal cutter. The vitreoretinal cutter has a scissor-like or forceps-like mechanism. The vitreoretinal cutter holds and / or cuts a membrane in the eye during the ocular surgery.

An unconstrained master controller device (110) comprising a sensorized elongated body (10) comprising at least one tracking sensor (11) for detecting position and orientation of the master controller device; a handle (12); a cylindrical roll joint (13) between the handle (12) and the sensorized elongated body (10), said cylindrical joint being suitable to allow relative rotation between the sensorized elongated body and the handle at least about a roll rotation axis (R); and a sensorized control interface (14), mounted to the sensorized elongated body (10) to actuate rotation of the sensorized elongated body (10) about the roll rotation axis (R).

The present invention provides a robot arm (100) microsurgery or super-microsurgery, said robot arm (100) comprising at least one arm element (102, 116, 124) and at least one direct drive (134, 136), wherein the at least one direct drive is configured and arranged to actuate the at least one arm element (102, 116, 124). The invention further provides a surgical, microsurgical or super-microsurgical robotic system (200) comprising the robot arm described above.

A surgical instrument and an antistatic flexible cannula include a surgical instrument for robotic surgery, the surgical instrument comprising an elongated positioning element and a hinged end at a distal end of the elongated positioning element, wherein the hinged end includes an operating portion for manipulating tissue and / or surgical or microsurgical needles and / or surgical or microsurgical sutures and / or manipulating micro-instruments; and a flexible cannula fitted onto the surgical instrument, the flexible cannula comprising a flexible body made of a dielectric material having an inner surface in contact with the surgical instrument and an outer surface opposing the inner surface; wherein the flexible cannula includes conductive particles dispersed in the dielectric material of its flexible body, thereby forming one or more conductive paths from the inner surface to the outer surface of the flexible cannula.

The present invention provides for a surgical robotic system (100) for performing a microsurgery or supermicrosurgery. The surgical robotic system comprises a control system (102) and a robotic system (104). The robotic system (104) comprises a monitoring unit (106) for monitoring a surgical area, and at least one manipulator arm (108) for manipulating a surgical instrument, wherein the control system (102) is configured to control the monitoring unit (106) and the at least one manipulator arm (108), and wherein the monitoring unit (106) and the at least one manipulator arm (108) are configured and designed to have a common reference frame.

MICROSURGICAL ENDODONTIC ORAL SURGERY RETRACTOR

The disclosure relates to a robotic arm for use in surgery, microsurgery or supermicrosurgery, in particular for anastomosis, comprising: at least one instrument module comprising an instrument actuation submodule, wherein the instrument actuation submodule is configured to operate grasp and roll orientation of an instrument, wherein the instrument actuation submodule comprises a first motor and a first drivetrain for actuation of the instrument roll orientation, and wherein the instrument actuation submodule comprises a second motor and a second drivetrain for actuation of the instrument grasp orientation, at least one pitch module, and at least one yaw module.

The utility model discloses a pair of head-mistake-proof microscopic tweezers, and belongs to the technical field of medical instruments. The micro tweezers overcome the defect that tips of traditional micro tweezers in the prior art are prone to dislocation. The main structure of the forceps comprises a left forceps handle and a right forceps handle which are movably connected, each of the left forceps handle and the right forceps handle comprises a forceps handle clamping section, a forceps handle holding section and a forceps handle connecting section which are sequentially connected, a positioning pin is arranged on the inner side of the forceps handle clamping section of the left forceps handle, and a positioning pin hole matched with the positioning pin is formed in the forceps handle clamping section of the right forceps handle. And the positioning pin is in clearance fit with the positioning pin hole. The utility model is mainly used for clamping tissues, blood vessels and sutures in microsurgery.

The invention relates to the field of medical information, and discloses a microsurgical suture needle real-time management and early warning simulation platform based on AI vision, and the platform comprises an intelligent counting pad which is used for collecting the image data and weight data of a microsurgical suture needle in real time; the AI identification module is used for processing the image data and outputting an identification result of the number of microsurgical suture needles; the simulation workflow engine is used for simulating and managing the microsurgery suture needle counting state in the whole operation process in a digital space on the basis of the recognition result and the weight data; and the early warning and display module is used for displaying the counting result in real time according to the output of the simulation workflow engine and triggering an early warning signal when abnormal counting is detected. According to the application, the intelligent counting pad is designed as a data acquisition terminal, and a deep learning model fusing YOLOv8 and SAM algorithms realizes submillimeter identification and high-precision counting of the microscopic suture needle.