65 results about "Micrographic surgery" patented technology

A microsurgical robot slave end system based on a series-parallel structure belongs to the technical field of medical equipment and surgical robots and comprises a four-degree-of-freedom surgical trolley, a five-degree-of-freedom series-parallel mechanical arm and a microscope adjusting platform. The five-degree-of-freedom series-parallel mechanical arm is mounted on the degree-of-freedom surgical trolley and can move and rotate along with the surgical trolley; the five-degree-of-freedom series-parallel mechanical arm is used for achieving pose adjustment in the horizontal plane and pose adjustment in the vertical plane. The microscope adjusting platform is installed on the series-parallel mechanical arm. The system realizes multi-degree-of-freedom and high-precision surgical operation through a series-parallel structure, has the characteristics of compact structure, rigid-flexible combination and flexible path, and aims to provide a more efficient, safer and more intelligent auxiliary operation platform for microsurgery.

The utility model discloses a radiofrequency ablation electrode for infant laryngeal airway microsurgery, and belongs to the technical field of radiofrequency ablation electrodes, the radiofrequency ablation electrode for infant laryngeal airway microsurgery comprises a handle shell, a telescopic mechanism is arranged in the handle shell, the interior of the telescopic mechanism is fixedly connected with a sleeve, and the sleeve is fixedly connected with the handle shell. An electrode stem and a smoke tube are arranged in the sleeve, the other end of the smoke tube is connected with a hose, and the other end of the electrode stem is fixedly connected with an electrode needle. The telescopic mechanism is designed to control the electrode rod to stretch out and draw back, the electrode needle head is designed to be bent, a doctor can conveniently observe and position a target spot during an operation, the smoke tube is designed to solve the problem of mist generated during tissue electric resection during the operation, the mist generated during the operation is sucked away through the smoke tube by being connected with a negative pressure tube of a hospital, and the operation is convenient. The interference of smoke on the sight of a doctor is avoided, the use is very convenient, and medical personnel can be helped to perform an operation better.

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.

The invention belongs to the technical field of oral medicine education, and particularly relates to a dental microscope operation simulation training system based on a virtual reality technology. The system comprises a machine shell, a simulation head assembly, a microscopic lifting mechanism and a binocular microscopic observation device, a supporting plate capable of extending outwards is arranged on the front portion of the machine shell, a 3D operation mouse is arranged on the outer side of the outer supporting plate, and the simulation head is installed on the outer side of the outer supporting plate. An operation display screen capable of extending outwards is fixedly installed on the side portion of the machine shell, and a treatment virtual simulation system under a digital dental microscope is integrated in the operation display screen. Through combination of the dental microscope virtual reality equipment and the force feedback mechanism, real treatment feedback is provided for the hands and eyes of an operator in the training process, and the immersion and simulation degree of treatment operation training under the dental microscope are remarkably improved; and the requirement of oral medicine microsurgery teaching on high-fidelity simulation training is met.

An access device for accessing an intervertebral disc having an outer shield comprising an access shield with a larger diameter (˜16-30 mm) that reaches from the skin down to the facet line, with an inner shield having a second smaller diameter (˜5-12 mm) extending past the access shield and reaches down to the disc level. This combines the benefits of the direct visual microsurgical / mini open approaches and the percutaneous, “ultra-MIS” techniques.

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.

Methods and membranes are disclosed for healing one’s body wounds, such as surgical wounds that may result from Mohs micrographic surgery. One or more membranes comprising membrane materials may be adhered to skin proximal to the body wound. The membrane(s) may be placed such that any reinforcing fibers of the membrane material(s) are generally parallel to a longitudinal axis of the body wound. The body wound may then be closed with sutures which may burrow into and out of the membrane material(s). There may be a connector which can increase and maintain tension between the membrane materials. After a period of time, such as at least 14 days, the sutures can be removed but the membrane(s) may remain on the skin. After another period of time has passed, the body wound may heal such that only a faint scar remains.

A method of treating glaucoma in an eye includes obtaining a surgical instrument having a cutting means and severing / cleaving an anterior attachment of a portion of trabecular meshwork of the eye proximate to Schwalbe's line with the cutting means while leaving the ciliary muscle tendons attached to the scleral spur of the portion of trabecular meshwork to create a trabecular meshwork leaflet. The surgical instrument including the cutting means is preferably a handheld microsurgical cutting instrument having at least one sharpened edge. Alternatively, the instrument may be an invasive or non-invasive laser cutting instrument with a laser cutting means; a vibratory cutting instrument with a vibratory cutting means; or a thermal cutting instrument with a thermal cutting means. The step of severing the portion of trabecular meshwork is preferably characterized by a linear cleavage plane severing the attachment portion without removing substantially any trabecular meshwork from the eye.

The invention relates to the technical field of surgery, and provides an adjustable hand and foot microsurgery blood vessel anastomosis clamp which comprises an anastomat body, a supporting frame is arranged on the upper surface of the anastomat body, an adjusting assembly is arranged at the top of the supporting frame, a hollow plate is fixedly connected to the outer portion of the adjusting assembly, and the hollow plate is fixedly connected to the outer portion of the supporting frame. An anastomosis clamp is arranged at one end of the anastomat body, an illuminating lamp is arranged on one side of the hollow plate, a connecting plate is fixedly connected to one side of the illuminating lamp, fixing pieces are arranged on the two sides of the interior of the hollow plate, and a pushing piece is arranged between the fixing pieces; according to the adjustable hand and foot microsurgery blood vessel anastomosis clamp, by adopting the adjusting assembly, the angle of the illuminating lamp can be adjusted, so that the illuminating lamp can be efficiently matched with the anastomat body to treat a patient, and meanwhile, the illuminating lamp can be taken out to be maintained or replaced.

Apparatus and methods are described that include a control component tool (30) that includes a handle (52) and an input receiving component (50) disposed on the handle (52). The input receiving member (50) includes one or more light sources (56) disposed on a first radial wall (60), one or more light detectors (58) disposed on a second radial wall (62) facing the first radial wall (60), and a deformable sleeve (54), the deformable sleeve (54) extends axially between the first radial wall and the second radial wall and is configured to reduce light directed from the one or more light sources (56) toward the one or more light detectors (58) in response to being pressed. The computer processor (28) receives a signal from the one or more light detectors (58) indicating a reduction in light and controls the surgical tool (21) in response to the signal. Other applications are also described.

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.

An apparatus and method for an articulating microsurgical instrument is disclosed herein. The articulating microsurgical instrument may be configured to be operable with a Doppler probe, bone grasper, soft tissue grasper / dissector, scissors, flexible forceps, or a suction / irrigation line configured to provide tools within a surgical location that can be adjusted to a desired angle of operation. A tip assembly may comprise an articulating portion at a distal tip and the articulating portion may be configured to deflect upon actuation of an articulation control. The articulation control may be a trigger assembly or a roller wheel. A bayonet-style handle may include a set of posts configured to interact with the one or more control wires during actuation of the articulation control. One or more control wires may be housed in a lumen and actuated using a articulation control of a handle assembly.

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 belongs to the technical field of medical devices, and discloses a blood vessel end-to-end telescopic intraluminal anastomat, which comprises a main handle, a guide rod connected to the front end of the main handle, and an anastomosis head installed at the front end of the guide rod; an anastomosis assembly, which comprises a curved nail forming structure and a plurality of anastomosis nails, the plurality of anastomosis nails are arranged on the anastomosis head in a circumferential direction, the curved nail forming structure is arranged outside the blood vessels to be anastomosed, the anastomosis nails pass through the blood vessel wall from inside to outside of the blood vessels to be anastomosed, and enter the curved nail forming structure to complete bending and fixation; the blood vessels to be anastomosed comprise a first blood vessel and a second blood vessel, the second blood vessel extends into the first blood vessel, the anastomosis nails are arranged across the edge of the broken end of the second blood vessel, so that one side of the nail foot of the anastomosis nail passes through the first blood vessel and the second blood vessel, and the other side of the nail foot passes through the first blood vessel. The present application can realize rapid and uniform circumferential fixation of the broken end of the blood vessel, shorten the anastomosis time, improve the anastomosis quality, and is suitable for the fields of vascular surgery, organ transplantation and microsurgery, and is especially suitable for anastomosis reconstruction of the superior and inferior vena cava of liver transplantation.

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.

A minimally invasive therapeutic device for single-session ablation of cutaneous and mucosal lesions up to 1 cm in diameter is disclosed. The apparatus comprises an ultra-fine (0.2 mm) titanium micro-needle, guided by integrated impedance sensors to ensure accurate penetration depth, and a compact pulsed steam generator that delivers controllable steam (100–150 °C, 1–3 bar) directly into the lesion base. A built-in microsurgical camera provides real-time visualization of lesion borders, enabling precise alignment and confirmation of complete ablation. Modular tips permit safe access to both skin and cervical mucosa, while an ergonomic needle-height adjustment mechanism ensures targeted treatment of deep-seated tissue without harming surrounding healthy areas. This system overcomes the limitations of cryotherapy, laser ablation, and surgical excision by achieving full thermal desiccation and ashing of abnormal tissue in one session, reducing patient discomfort, lowering recurrence rates, and shortening recovery time.

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 present disclosure generally relates to microsurgical instruments having variable stiffness such as microsurgical instruments having variable stiffness for ophthalmic surgical procedures. In one embodiment, a surgical instrument includes a probe and a stiffener assembly. The stiffener assembly further includes a stiffener formed of a hollow tubular member substantially surrounding at least a portion of a length of the probe. Actuation of the stiffener along the length of the probe adjusts the stiffness of the probe, thus providing a user better control of the surgical instrument.

The invention discloses a microscopic electromagnetic needle holder which comprises a needle holder upper arm, a connecting mechanism is mounted on the needle holder upper arm, the microscopic electromagnetic needle holder relates to the technical field of microsurgery, a power connector can be connected with an external low-voltage power source, so that the power connector can enable an electric wire to be powered on, and when current passes through the spiral electric wire, the electric wire can be powered on through the connecting mechanism. When the needle holder is used for suturing, a uniform magnetic field can be made in the solenoid, the upper arm of the needle holder can be magnetized at the moment, and after an operation area is amplified through a microscope in the suturing operation process, the operation view becomes small, and the suture needle can be automatically attracted to the upper arm of the needle holder under the magnetic action of the upper arm of the needle holder and is not prone to being lost. Even if the suture needle is located outside the visual field, the suture needle can be attracted to the needle holder by increasing the current and the magnetic field intensity, and the suture needle can be found quickly. When the suture needle is attracted to the microscopic electromagnetic needle holder and leaves the tissue, the position of the clamping needle is adjusted for suture, tissue damage caused by the fact that the tissue is stabbed or clamped is not prone to occurring, and therefore the actual using effect is better.

The utility model discloses a microsurgical operating instrument with a mistaken touch prevention mechanism. The microsurgical operating instrument is used for solving the installation safety problem of the operating instrument. A cavity is formed by an instrument box shell and an instrument box base; a button fool-proof block is mounted in the cavity, and an accommodating cavity is formed in the button fool-proof block; the two opposite sides of the instrument box shell are each provided with an instrument box button in mirror symmetry, the side, located in the cavity, of each instrument box button is provided with a limiting protruding part, the button fool-proof block is connected with the instrument box shell through a first compressed spring, and the two instrument box buttons can move in the opposite directions or away from each other; the instrument box base outside the cavity is detachably connected with the sterile adapter; the end, away from the first pressure spring, of the button fool-proof block penetrates through a guide hole in the instrument box base to fall on a boss of the sterile adapter, symmetrical buckles are arranged on the sterile adapter, penetrate through the instrument box base to stretch into the cavity to be locked on the instrument box base, each buckle comprises a tripping face, and the lower edge of the instrument box button makes contact with the tripping face.