67 results about "Operation microscopes" patented technology

An improved system and method for macroscopic and microscopic surgical navigation and visualization are presented. In exemplary embodiments of the present invention an integrated system can include a computer which has stored three dimensional representations of a patient's internal anatomy, a display, a probe and an operation microscope. In exemplary embodiments of the present invention reference markers can be attached to the probe and the microscope, and the system can also include a tracking system which can track the 3D position and orientation of each of the probe and microscope. In exemplary embodiments of the present invention a system can include means for detecting changes in the imaging parameters of the microscope, such as, for example, magnification and focus, which occur as a result of user adjustment and operation of the microscope. The microscope can have, for example, a focal point position relative to the markers attached to the microscope and can, for example, be calibrated in the full range of microscope focus. In exemplary embodiments of the present invention, the position of the microscope can be obtained from the tracking data regarding the microscope and the focus can be obtained from, for example, a sensor integrated with the microscope. Additionally, a tip position of the probe can also be obtained from the tracking data of the reference markers on the probe, and means can be provided for registration of virtual representations of patient anatomical data with real images from one or more cameras on each of the probe and the microscope. In exemplary embodiments of the present invention visualization and navigation can be provided by each of the microscope and the probe, and when both are active the system can intelligently display a microscopic or a macroscopic (probe based) augmented image according to defined rules.

The invention discloses an optical coherence tomography based microsurgical operation system and a navigation method. The microsurgical operation system comprises an objective lens, an operation microscope unit, an optical coherence tomography unit, a processor and an output unit. The operation microscope unit is configured to perform two-dimensional imaging in an operative region via the objective lens. The optical coherence tomography unit is configured to perform two-dimensional tomography imaging in the operative region via the objective lens, and an imaging view of the optical coherence tomography unit is calibrated according to an imaging view of the operation microscope unit. The processor is configured to acquire navigation information on the basis of a two-dimensional imaging result of the operation microscope unit and a two-dimensional tomography imaging result of the optical coherence tomography unit, and the navigation information includes information of the operation region for performing operation and positions of surgical instruments used for operation on the operative region. The output unit is configured to output navigation information to guide the operation instruments to reach the operative region.

There is proposed an apparatus for eye surgery, which comprises a stand (24) having a stand base (32) that is movable or realized for mounting on a wall or ceiling, and having a stand arm arrangement (34, 36) that is manually adjustable, at least partially, relative to the stand base, an operation microscope (38) being attached to the stand arm arrangement. Further, the eye-surgery apparatus comprises a laser appliance, which provides pulsed, focused laser radiation having radiation properties suited to the application of incisions in the human eye (14). The laser appliance comprises a laser source (20) and a laser treatment head (26) that is attached to the stand arm arrangement (34, 36) and emits the laser radiation, a flexible transmission fiber (22) or a jointed beam transport arm being provided for the purpose of transporting the laser radiation to the laser treatment head. The laser treatment head (26) is positioned or positionable in an observation beam path of the operation microscope (38) and provides a passage (52) for an observation beam going along the observation beam path. According to one embodiment, the laser treatment head (26) can be moved out of a position of use, in which it is positioned over the eye (14) and under the operation microscope (38), into a non-use position, in which it is at a distance from the working region of the operating physician (40) and the latter, through the operation microscope (38), has a direct view of the eye (14) to be treated.

The invention discloses a decellularized heterogeneous corneal stromal carrier and its preparation method and application. The carrier is an animal lamellar cornea from which epithelial cells and stromal cells have been removed through hypertonic solution combined with enzyme digestion. The preparation method of the carrier is as follows: firstly, take Fresh animal eyeballs are aseptically operated under an operating microscope, and the lamellar cornea with a thickness of 150 μm to 400 μm is drilled with a graduated trephine drill with a diameter of 5 mm to 12 mm, and then removed under the combined action of hypertonic solution and trypsin/pancreatin substitute The cells are finally dehydrated and dried to obtain the decellularized heterogeneous corneal stroma carrier, which is stored for future use. The decellularized heterogeneous corneal stroma carrier can be used as a corneal transplant donor to directly perform therapeutic corneal transplantation, and can also be used as an artificial biological corneal scaffold to construct a full-layer or lamellar artificial biological cornea. The decellularized heterogeneous corneal stroma carrier prepared by the invention has the following characteristics: the collagen is neatly arranged, similar to normal corneal tissue, and has good transparency after rehydration.

Provided is an operation microscope where manipulations to be performed in response to switching between methods for observing an eye to be operated are performed in an interlocked manner, thereby improving manipulability. When recognizing that a change-over switch is switched to its upper position, a control circuit controls a drive apparatus so that an operator microscope is raised, controls a drive mechanism so that an optical unit is moved to an inverter-on position, changes the turned-on position of a light source so that an illumination light flux forms a small angle with respect to an observation optical axis, and controls a solenoid so that a stereo variator is moved to be arranged on an optical path of an observation light flux.

Provided is an operation microscope capable of obtaining bright and wide range red reflex on an observation image. Further, an operation microscope suitable for an observation of a retina and a vitreous body is provided. A pair of deflection members composed of two deflection mirrors are provided as a deflection means for deflecting illumination light guided from a light source to the vicinity of an optical axis of an observation optical system and guiding it to an eye to be operated through an objective lens. The deflection mirrors are disposed to sandwich the optical axis therebetween and simultaneously guide the illumination lights to the eye to be operated at substantially the same oblique angles with respect to the optical axis from the respective opposite sides. In addition, a stereo variator is made insertable onto the observation optical axis, so that relative positions of optical axes of right and left observation fluxes can be changed.

There are provided an operation microscope and an observation prism which are capable of conducting a high-visibility observation with less glare. The operation microscope includes an objective lens opposed to an eye to be operated, a front lens which is provided between the eye to be operated and an anterior focal point of the objective lens and condenses illumination light to illuminate an interior of the eye to be operated, and the observation prism disposed near the front lens to observe fundus and its surroundings of the eye to be operated. An oblique surface (refractive surface) of the observation prism has a curved shape in which the curved shape shows a certain negative curvature in a direction to an intersection with a refractive surface. Therefore, aberrations caused on images of entrance pupils of an observation system and an image of an exit pupil of an illumination system can be corrected. The images of the entrance pupils and the image of the exit pupil are sufficiently separated from one another on a cornea of the eye to be operated, so that an observation with less glare can be conducted.

The invention relates to a surgical operation microscope device, and belongs to the technical field of medical apparatuses. The surgical operation microscope device comprises an operation microscope device body, a microscopic operation lens and a microscopic image operation box, wherein a positioning steering device is arranged at the right side of the operation microscope device body; a steering shaft is arranged in the positioning steering device; the operation microscope device body is provided with a display screen base, the display screen base is connected with a display screen bracket, and the display screen bracket is connected with an information display screen; the left side of the operation microscope device body is connected with a vertical support arm, the right side of the vertical support arm is connected with a fixed rotary button, a telescopic rod is arranged in the vertical support arm, and a fixing clamp is arranged in the telescopic rod. The surgical operation microscope device has the advantages that the functions are complete, and the convenience in use is realized; when the microscopic operation is performed on a surgical patient, the time and labor are saved, the operation is scientific and rapid, the safety is realized, the efficiency is high, and the working difficulty of medical staff is greatly decreased.

The invention discloses a neurosurgery operation microscope which comprises an adjustable sickbed, wherein the adjustable sickbed is fixedly connected with a telescopic rod; the telescopic rod is electrically connected with a control device through a wire; a base is arranged below the adjustable sickbed and fixedly connected with an electric control moving wheel; a motor is fixedly mounted above the base; a hydraulic telescopic rod is mounted on the left side of the motor and movably connected with a mechanical arm; an illuminating lamp is arranged below the mechanical arm; a microscope is fixedly mounted on the right side of the illuminating lamp; an eyepiece is mounted on the outer surface of the microscope; an objective is fixedly mounted below the eyepiece; a microscope control rod is arranged on the outer surface of the left side of the microscope; and an adjusting knob is mounted on the right side of the microscope. The neurosurgery operation microscope disclosed by the invention has the advantages of reasonable structure design, easiness in operation and convenience in moving, can realize a microscopic function at the time of neurosurgery operation, and can be widely popularized and applied.

A mouth switch is provided for a multifunction operation microscope (1). Signals to be outputted to the operation microscope can be switched from one provided when only a long main lever (21) is held with a mouth (lips, teeth, and the like) to another provided when a sub-lever (25) is held together with the main lever. Even if the number of functions to control increases, the mouth switch can cope with them. The mouth switch can change signals through the simple operation of holding the levers with a mouth, and therefore, possibility of an operation error can be reduced. As a changeover switch (22) is OFF, the mouth switch provides four kinds of signals including focus-up, focus-down, zoom-in, and zoom-out signals, and as for ON state, other four kinds of signals relating to X(+) direction, X(−) direction, Y(+) direction, and Y(−) direction for shifting field of view are provided.

The embodiment of the invention discloses an operation microscope. The operation microscope comprises an illumination system, an imaging system and an image processing system, wherein a plurality of optical imaging subsystems are adopted for imaging at the same time, different optical imaging systems correspond to different imaging functions, a left eye view and a right eye view which are large indepth of field and high in resolution are obtained through fusion calculation of the multi-light-path multifunctional images, the two images are subjected to 3D interweaving, and the finally obtainedobject 3D image is obviously reduced in depth and effectively improved in definition and has the characteristics of large depth of field and high resolution. Meanwhile, the microscope also has good use comfort and can well meet the application requirements of doctors.

A light-shielding member is provided at an optically conjugative position with an optical system composed of optical components (including a corneal convex mirror) interposed between an entrance pupil and the light-shielding member on an optical path of an illumination optical system in order to prevent a virtual image of a light source from being observed in an observation optical system. The position where the light-shielding member is located is the vicinity of an illumination field stop and closer to the eye to be examined than the illumination field stop. A size of the light-shielding member is theoretically determined by a product of a diameter of the entrance pupil of the observation optical system, and an observation magnification of the optical system composed of the corneal convex mirror and a relay lens.

The invention discloses an operation microscope illumination zooming adjusting system and method and belongs to the field of a medical apparatus. An intelligent illumination zooming control system is designed for a surgical operation microscope to realize linkage control to make focal length of an illumination device automatically change along with an amplification multiplying power of the microscope. The operation microscope illumination zooming adjusting system is connected with the operation microscope, the operation microscope comprises the illumination device and a zoom device, an ideal focal length value of the illumination device and each multiplying power of the zoom device are in the determined curve relationship, the operation microscope illumination zooming adjusting system comprises an induction device and a control device, the present multiplying power is determined through the present position of the zoom device fed back by the induction device, the ideal focal length value of the illumination device under the present multiplying power is determined according to the curve relationship, and the illumination device is driven to move till the present position of the illumination device fed back by the induction device corresponds to the ideal focal length value under the present multiplying power. The operation microscope illumination zooming adjusting system is advantaged in that the structure is simple, cost is low, and work efficiency of the operation process is improved.

An operation microscope apparatus includes: an operation microscope (25) supported to a pillar through an electrically-operated elevating device for rough-motion (first upward-and-downward micro motion device 17) ; a lens support arm (51) supported to a support portion of the operation microscope (25) so as to be movable between a use position at which the lens support arm (51) is extended downward and a storage position at which the lens support arm (51) is stored upward; a front lens (74) held by the lens supported arm (51); a control unit for controlling the electrically-operated elevating device (arithmetic and control circuit 27) ; a switch for upward-and-downward rough-motion (30,31 or 94,95); and a detection unit for detecting a storage state of the lens support arm (51) to output a detection signal (microswitch 91). In the apparatus, only when the detection signal is received, the control unit (arithmetic and control circuit 27) controls the electrically-operated elevating device (first electrical upward-and-downward micro motion device 17) by operating the switch (30,31 or 94,95) to allow the operation microscope (25) to roughly move upward and downward.

An operation microscope support comprises a pedestal, a support arm installed on the pedestal, a cantilever installed on the support arm and a microscope clamp installed on a cantilever tail end. The pedestal and the support arm, the support arm and the cantilever, and the cantilever and a microscope clamp support are connected through fin positioning devices. The cantilever is a telescoping cantilever mechanism. The telescoping cantilever mechanism comprises a transverse arm seat, a balance arm arranged on the transverse arm seat, a lens fixing seat and a balance arm engine base, wherein the lens fixing seat and the balance arm engine base are hinged to two ends of the balance arm respectively. Compared to the prior art, by using the support of the invention, locking is firm, operation is convenient, and the structure is compact and novel.

The invention discloses a multi-ocular rotary adjusting type operation microscope. The multi-ocular rotary adjusting type operation microscope comprises an ocular mounting head, a cavity is formed ata middle location in the ocular mounting head, a micro motor is fixedly arranged at the middle location of one end of a bottom surface in the cavity, a rotating end of the micro motor is fixedly connected with a driving shaft; a pinion is fixedly sleeved at an outer wall of the driving shaft, the pinion is engaged with a gear wheel; a driven shaft is fixedly sleeved on an inner ring of the gear wheel, a bottom end of the driven shaft is rotatably connected with a bottom surface in the cavity, and an upper end of the driven shaft extends to the external of the cavity and is located at a centerlocation above the ocular mounting head, and a lantern ring is fixedly sleeved on a driven shaft outer wall extending to the external of the cavity; multiple mounting racks are fixedly arranged at theouter wall of the lantern ring, and oculars in different models are inserted into penetrating holes formed at outer ends of the mounting racks, and the lower end of each ocular is movably inserted into a mounting hole formed at the outer end of the ocular mounting head. The device disclosed by the invention can realize fast model change for the oculars without dismounting the same, and the working efficiency is greatly improved.

The invention discloses a microsurgery 3D digital imaging system, and relates to the technical field of medical equipment, the microsurgery 3D digital imaging system comprises a 3D microsurgery camera, a video workstation and a 3D display module, the 3D microsurgery camera is used for collecting a three-dimensional video in a microsurgery field and transmitting the three-dimensional video to the video workstation; the video workstation is used for processing the received three-dimensional video and transmitting the three-dimensional video to be displayed to the 3D display module; and the 3D display module is used for displaying the received three-dimensional video. The invention further discloses a 3D microsurgery camera. The three-dimensional imaging technology and the clinical microsurgery are combined, through multi-view imaging, real-time digital three-dimensional reconstruction and immersive three-dimensional display of a surgery area, adverse factors such as large physical strength and uncomfortable visual observation of a direct-view eyepiece of a traditional operation microscope are eliminated, dependence and constraint of the eyepiece are removed, and the visual observation effect of the eyepiece is improved. And an operator can obtain more flexibility, degree of freedom and comfort.

The invention relates to an operating microscope. The operating microscope comprises a main microscope body and a binocular lens barrel seat, wherein the main microscope body can swing towards two sides of the binocular optical axis in the plane perpendicular to the binocular optical axis of the binocular lens barrel seat with respect to the binocular optical axis, and a large objective lens group and a zoom group are arranged in the main microscope body along the first optical axis. A small objective lens group and an eye lens group are arranged in the binocular lens barrel seat. The operating microscope further comprises an image deflecting and inverting system, wherein the image deflecting and inverting system comprises a first image inverting lens group for expanding imaging ray beams, an image inverting prism for converting an imaging light angle and a second inverting lens group for gathering imaging ray beams, the first image inverting lens group and the image inverting prism are fixed in the main microscope body along the first optical axis, the second inverting lens group is fixed in the binocular lens barrel seat, and imaging rays are observed along the large objective lens group, the zoom group, the first image inverting lens group, the image inverting prism, the second inverting lens group, the small objective lens group and the eye lens group. The operating microscope is compact in structure and clear and complete in imaging.

The invention provides a multifunctional turn button of an operation microscope and the operation microscope. The operation microscope comprises a main lens body casing, wherein the main lens body casing has a left surface, a right surface opposite to the left surface and a front surface arranged between the left surface and the right surface, the multifunctional turn button comprises a focusing assembly, the focusing assembly comprises a turn button, and the turn button is arranged at the front surface of the main lens body casing. The multifunctional turn button of the operation microscope has the shooting and focusing functions, a shooting video assembly and the focusing assembly are combined in a mechanical mode and have no mutual interference, moreover, wiring of the shooting video assembly and the focusing assembly is not mutually influenced, and wire break can be avoided.

The invention provides a multi-position stereoscopic mesoscopic multi-wavelength video ophthalmologic operation microscope in the field of microscopes. The microscope comprises a zoom drum which is provided with a first microscope objective group position in the middle, and is symmetrically provided with a plurality of second microscope objective group positions around the first microscope objective group position; a multi-position three-dimensional microscopic camera assembly mounted on the zoom drum through the second microscope objective group; a middle-path microscopic camera mounted on the zoom drum through the first microscopic objective lens group; a multi-wavelength multi-angle lighting assembly arranged under the zoom drum; a multi-position three-dimensional monitor arranged underthe zoom drum and connected with the multi-position three-dimensional microscopic camera assembly; and a multi-directional middle-path monitoring screen arranged under the zoom drum, positioned between the multi-wavelength multi-angle lighting assembly and the multi-position three-dimensional monitor, and connected with the middle-path microscopic camera. The microscope has the advantages that the use convenience, the safety and the image display effect of the microscope are greatly improved, the fatigue of a user is reduced, and the cooperation of multiple persons is facilitated.

The invention discloses a clinical auxiliary device for craniotomy, and effectively solves the problem that the time and labor are wasted when an ocular lens of an operation microscope is wiped. The clinical auxiliary device comprises an upper shell, wherein a lower shell is detachably connected to the lower end of the upper shell; a guide pipe is arranged at the lower end of the lower shell; a main bevel gear is rotationally connected into the upper shell; cannulas capable of being coaxial with the guide pipe are arranged at the left side and the right side of the main bevel gear respectively; a fixed block is coaxially arranged in the cannula at the left side; a cleaning box is coaxially arranged in the cannula at the right side; cotton columns are detachably connected to the lower side of the fixed block and the lower side of the cleaning box correspondingly; rectangular grooves are arranged in the upper end of the fixed block and the upper end of the cleaning box correspondingly; a sleeve is arranged in the upper shell; a rotating column is arranged on the sleeve; a tamping column is slidably connected into the sleeve; a rectangular block capable of being matched with the rectangular groove is arranged at the lower end of the tamping column; a bearing block is arranged on the right side wall of the upper shell; a tooth column is rotationally connected to the left end of the bearing block; an auxiliary bevel gear is arranged at the left end of the tooth column; and a rack is slidably connected to the left end of the bearing block. The clinical auxiliary device is simple in structure, novel in conception, convenient to use and strong in usability.