39 results about "Intracranial surgery" patented technology

Minimally invasive neurosurgical intracranial robot system is introduced to the operative site by a neurosurgeon through a narrow surgical corridor. The robot is passed through a cannula and is attached to the cannula by a latching mechanism. The robot has several links interconnected via revolute joints which are tendon-driven by tendons routed through channels formed in the walls of the links. The robot is teleoperatively guided by the neurosurgeon based on real-time images of the intracranial operative site and tracking information of the robot position. The robot body is equipped with a tracking system, tissue liquefacting end-effector, at as well as irrigation and suction tubes. Actuators for the tendon-driven mechanism are positioned at a distance from the imaging system to minimize distortion to the images. The tendon-actuated navigation of the robot permits an independent control of the revolute joints in the robot body.

Natural and / or synthetic materials to form a strong barrier between the skeletal system and the great vessels. In the preferred embodiments, a natural or synthetic material is used to prevent scar tissue from forming around the vessels and / or to act as barrier placed between the vessels and the skeletal system, including the spine. Devices according to the invention may also be used over the dura and nerves following laminectomy procedures, between the sternum and the pericardium or heart following cardiac procedures, in intra-abdominal procedures such as intestinal or vascular surgery, over the brain in intra-cranial surgery, over the ovaries or other organs or tissues in the female genitourinary system, over the prostate or other organ or tissues in the male genitourinary system, or in other surgeries on humans or animals.

A medical bi-directional in-out switchable irrigation-drainage system for intracranial surgery according to the present invention has a four-way adapter containing a knob having a rotatable interior baffle and four hollow connectors. The knob is assembled to the center of the four-way adapter. A passageway interconnects two hollow connectors next to each other and two separately isolated division passageways are formed by turning the knob. The system further has a pressure control bottle; a first connecting tube for connecting the pressure control bottle and the four-way adapter; a second connecting tube for connecting to a target tissue; and a third connecting tube for connecting to the other target tissue. The first, second and third connecting tubes are connected to different connectors of the four-way adapter respectively, and the rotatable interior baffle is actuated together with the knob.

An endoscope particularly suited for endocranial procedures and a method of using the endoscope. In some examples the endoscope is rigid except for a bend / tilt portion near a distal end of a rigid tube that is inserted in a patient's cranium, which distal end is controlled in a degree and direction of tilt with a finger operated controller at the endoscope's handle. Some examples use telescoping tubes that allow customizing the endoscope size for specific procedures. A distal portion of the endoscope can be disposable, supplied in a sterile package for a single procedure, thus taking into account contamination dangers that are particularly high for intracranial and certain other interventions and the fact that it can be difficult or impossible to effectively autoclave heat-sensitive components of certain endoscopes or effectively sterilize them using other techniques.

The invention belongs to the technical field of medical devices, and particularly discloses a VR simulation traction device for neurosurgery. The VR simulation traction device comprises a detection rod made of a titanium alloy material. The head portion of the detection rod is provided with a 360-degree panoramic camera. A group of high-light lamps are circumferentially and evenly distributed on the outer circle of the camera. The camera is electrically connected with external VR glasses. The camera outputs signals which are then processed by the VR glasses, and the simulation intracranial surgery environment is generated. A smashing unit is arranged in the middle of the detection rod. The smashing unit comprises a mandrel, a driving motor, a slide ring, a first connecting rod, a second connecting rod, a smashing claw and a piston. The VR simulation traction device is simple in structure, the simulation intracranial surgery environment is generated after data transmitted by the 360-degree panoramic camera is received and processed by the VR glasses, the advancing route of the detection rod is modified in real time, and the smashing unit smashes and cleans away blood clots around intracranial nerves when the detection rod reaches a preset position.

Various cranial surgery OSS registration device embodiments of the present disclosure encompass a cranial surgery facial mask (128), a mask optical shape sensor (126b) having a mask registration shape extending internally within the cranial surgery facial mask (128) and / or externally traversing the cranial surgery facial mask (128), a cranial surgery tool (101), and a tool optical shape sensor (126d) having a tool registration shape extending internally within the cranial surgery tool (101) and / or externally traversing the cranial surgery tool (101). The mask registration shape of the mask optical shape sensor (126b) and the tool registration shape of the tool optical shape sensor (126d) interactively define a spatial registration of the cranial surgery facial mask (128) and the cranial surgery facial mask (128) and the cranial surgery tool (101) to a cranial image.

The invention discloses a surgical positioning device for intracranial lesions. The surgical positioning device comprises a guide plate base, a guide plate support, bosses and support clamping bases,wherein the guide plate base is arranged in a facial anatomy marking area of a patient, and a first groove is formed in the guide plate base; the bosses and the support clamping bases are separately arranged at the two ends of the guide plate support; projections of the guide plate support, the bosses and the support clamping bases are of concave-shaped structures, and a second groove is formed inthe end face of the guide plate support; the bottom face of the second groove is a curved face and is used for forming a guide pipe tunnel through which a guide pipe passes; the bosses are separatelyinserted into the first groove in a matching manner; the guide plate support is separately connected with the guide plate base; the support clamping bases separately and tightly press scalp of the patient toward the end face of the head of the patient, and an intersection point formed by the direction of a central line of the guide pipe tunnel, the scalp surface of the patient and the surface ofa deep skull is set as a puncturing central point of the intracranial lesions surgery. The surgical positioning device for the intracranial lesions provided by the invention is convenient to use, is small in size, and can improve the puncturing accuracy of the intracranial lesions surgery.

A robot for the cerebrosurgical operation is composed of hydraulic supporting frame with hydraulic cylinder installed between vertical and transverse beams and the guide track on said transverse beam, the slide box on said guide track, robot fingers, drum, the light source and imaging system on said pilot tube and robot fingers, and console. Its advantages are simple structure and wide visual field.

The invention provides a method for rapid detection of postoperative intracranial bacterial infection by multiple real-time fluorescent PCR (Polymerase Chain Reaction) and belongs to the technical field of molecular biology. The method adopts a multiple fluorescent PCR technology to detect the cerebrospinal fluid of a patient with intracranial surgery fever so as to realize the typing detection ofa plurality of common intracranial infection bacteria. The method provided by the invention can realize rapid detection of postoperative intracranial bacterial infection, can quickly identify commonbacterial types in patients with intracranial infection after surgery, and solves the problems that a culture method can not identify new strains and can not culture bacteria. The detection method hashigh specificity and sensitivity, reduces the false positive of PCR detection, shortens the detection period, can realize timely and rapid diagnosis of intracranial bacterial infection, and has significant significance for blocking clinical infection and guiding medication.

The invention provides a surgical endomicroscope device for the neurosurgery department. The device comprises a surgical microscope body, a neuroendoscope and a mounting mechanism;the surgical microscope body comprises a bracket and a microscope mounted on the bracket, a cylinder is arranged on the lower portion of the microscope, an objective lens is arranged atthe lower end of the cylinder, a cylindrical mirror handle is arranged on the upper portion of the neuroendoscope, a video interface is formed in the upper end of the mirror handle, directly faces and is connected with the objective lens, and the mounting mechanism is used for fixing the neuroendoscope to the objective lens. By means of the technical scheme, the possibility that the neuroendoscope hurts a patient is lowered; a surgeon can observe the surgical site from an eyepiece of the microscope, does not need to observe through a display screen and observes a more visual three-dimensional image directly from the microscope,and the accuracy of surgery is improved; when intracranial surgery is preformed,the position which cannot be observed only through the surgical microscope body can be observed, and the surgical effect is improved.

The invention discloses a craniocerebral operation channel, belonging to the technical field of medical instruments. The craniocerebral operation channel comprises a guiding device, a trocar and an outer sheath tube, wherein the guiding device is used for penetrating into the brain of a patient; a communicating hole is formed in the middle part of the trocar; the communicating hole penetrates through the trocar in the direction of the central axis of the trocar and is coaxially arranged with the trocar; the trocar can be arranged on the periphery of the guiding device in a sleeving mode through the communicating hole and can slide in the length direction of the guiding device; the interior of the outer sheath tube is hollow and used for providing an operation channel; and the outer sheathtube can be arranged on the periphery of the trocar in a sleeving mode. The craniocerebral operation channel is accurate in positioning and can effectively protect the brain tissue of the patient.

A medical device and a method of use thereof for frameless stereotaxy guided intracranial surgery. The medical device includes a central section made from a material that is transparent to ultrasound providing a sonic window, and an ultrasound reflective frame surrounding the central section. The method includes the steps of registering the ultrasound reflective frame with the frameless stereotaxy system for localization of the medical device during surgery. The medical device allows use of ultrasound imaging wherein the output of ultrasound imaging can be computationally combined with MRI or CT imaging data to compensate for anatomical changes in brain during surgery and enhanced localization and navigation to the surgery target.

The embodiment of the invention relates to the technical field of clinical medical devices and discloses a craniocerebral operation tube. The craniocerebral operation tube provided by the embodiment of the invention comprises a tube body, a drainage tube and an operation tube, wherein the tube body comprises an intracranial end for inserting into the brain of a patient and an extracranial end reserved outside the brain of the patient; the drainage tube and the operation tube are both arranged in the tube body and extend from the extracranial end to the intracranial end, the end of the drainagetube close to the intracranial end is provided with a drainage port, the drainage tube discharges liquid in the brain to the extracranial end through the drainage port, and the operation tube is usedfor performing operation on a target position in the brain. The embodiment of the invention also provides an application method of the craniocerebral operation tube. The craniocerebral operation tubeand the application method of the craniocerebral operation tube provided by the embodiment of the invention can make the operation wound surface small and the time short, achieve more functions, andcan better meet the requirements of the concept of clinical rapid rehabilitation surgery.

The invention relates to medical craniocerebral operation channel sealing apparatus. The sealing apparatus comprises an expandable water bag and a supporting frame, wherein the expandable water bag comprises an elastic water bag, a water pipe and a valve, the supporting frame comprises an outer fixing support, a smooth plate and a supporting column, one end of the water pipe is connected with thevalve, the other end of the water pipe is connected with an opening hole of the elastic water bag, the front face of the smooth plate is fixedly connected with the side face of the elastic water bag,the back face of the smooth plate is fixedly provided with the supporting column, and the outer fixing support is fixedly connected with the supporting column. The sealing apparatus can be inserted between the scalp and skull through the outer fixing support and is stably fixed to the scalp and skull, and a proper amount of sterile normal saline is pushed into the elastic water bag from the valvethrough an injector and the valve is closed, so that the elastic water bag is rapidly expanded and inflated, the inflated elastic water bag abuts against tissues such as the skull or scalp muscles, anoperation channel is rapidly and tightly sealed, the brain tissue is isolated from the outside, the cerebrospinal fluid loss is prevented, the brain tissue deformation is reduced, the stimulation ofair and the like to the brain tissue is reduced, and the situation that the intracranial water environment is not disturbed by the outside is guaranteed.

The invention discloses a craniocerebral extubation plugging device and a using method thereof.The device comprises a drainage tube, one end of the drainage tube is a hydrops inlet, the other end of the drainage tube is a hydrops outlet, and the hydrops inlet enters the craniocerebral part from a craniocerebral operation incision; one end of the plugging tube is connected with the hydrops outlet of the drainage tube; absorbable expansion sponge is arranged in the plugging pipe; the diameter of the traction tube is smaller than that of the drainage tube and that of the plugging tube, and the traction tube can move in the drainage tube and the plugging tube; wherein the traction tube can enter from the other end of the plugging tube to push the absorbable expansion sponge into the drainage tube and then push the absorbable expansion sponge into the brain from the effusion inlet, and the absorbable expansion sponge expands after encountering effusion in the brain to plug the effusion inlet and a craniocerebral operation incision. According to the plugging device, the absorbable expansion sponge is fed into the brain to plug an effusion inlet and a craniocerebral operation incision, and tube drawing is performed after plugging, so that the effusion can be prevented from emerging from the craniocerebral operation incision to cause infection.

The invention discloses a cranial decompression connector, which is suitable for patients undergoing cranial surgery for decompression, and belongs to the technical field of medical devices. A skull decompression connector comprises two screws and an elastic connecting piece connected between the two screws, two ends of the elastic connecting piece are respectively connected with the two screws, one screw is used for fixed connection on a bone window, the other A screw is used to secure the connection to the bone plate. When the patient undergoes craniotomy, two screws are respectively fixed on the bone window and the bone plate, and the two ends of the elastic connecting band are respectively connected with the two screws, so as to connect the bone window and the bone plate together. As the pressure of the patient's brain tissue increases, the bone plate shifts to the outside and protrudes out of the bone window, reducing the intracranial pressure; the swelling of the patient's brain tissue subsides, and the intracranial pressure returns to the normal range. The plate automatically returns to its original position, and the bone plate gradually fuses with the bone window into a whole, realizing the self-repair of the skull and avoiding the second skull repair of the patient.

The invention relates to an intracranial operation navigation system based on magnetic resonance imaging. The system includes a preoperative planning module, a positioning conversion module, a three-dimensional neuroimaging visualization module, a three-dimensional neuroimaging rapid segmentation module, and an intraoperative guidance module. The operation navigation system of the invention can apply a computer aided technology and a magnetic resonance imaging technology to an intracranial surgery process, effectively helps doctors to perform preoperative surgical planning and intraoperative surgical positioning and guidance, and assists surgical operation, thereby reducing difficulty of surgery and treatment accuracy and effects are improved.

The invention discloses a flexible-to-use medical device comprising a shell, a notch, a sharp object, a handle and a surrounding object. The inner part of the shell is equipped with a partition device; the inner part of the shell is equipped with the notch; a solid object is arranged above the notch, and the left side of the inner part of the notch is equipped with the sharp object; the surface ofthe sharp object is equipped with a measuring tool, a sharp edge is arranged below the sharp object, and a fixing device is arranged on the right side of the sharp object; a needle opening is arranged on the right side of the surrounding object. The flexible-to-use medical device includes the handle and a cutter body and is characterized in that anti-skid lines are formed on the handle and an elastic band is arranged at the back end of the handle. The flexible-to-use medical device has simple structure, medical personnel can prevent a scalpel from dropping when intracranial surgery is performed on patients, and thus the work difficulty of the medical personnel is alleviated.

Disclosed is an agent for preventing the bleeding from a cerebral cortical vein, which comprises an aqueous solution containing 120 to 160 mEq / L of a sodium ion, 1 to 5 mEq / L of a calcium ion and 75 to 165 mEq / L of a chlorine ion. The agent may further contain 1 to 5 mEq / L of a potassium ion. Also disclosed is a packaged product of a container accommodating the agent therein. The agent can preventor reduce the bleeding from a cerebral cortical vein effectively in the field of neurosurgery including intracranial surgery, thereby providing a sufficiently spacious operation field during a surgery or preventing the occurrence of any disorder after a surgery.

The invention relates to the technical field of brain surgery assistant instruments and particularly relates to a fixing device for craniocerebral operation, and a using method of the fixing device. The fixing device comprises a device body, wherein the device body comprises a brain clamping mechanism used for brain clamping, a brain supporting plate mounted at the bottom of the brain clamping mechanism, and a brain tightening mechanism mounted at the top of the brain clamping mechanism. In the fixing device for craniocerebral operation and the using method thereof, by injecting water into a compass bar, the compass bar is deformed and expanded, the compass bar is clung to a brain outer wall, the traditional rigid support for fixing is avoided, damages to brain are reduced, meanwhile when tightly compressing the brain, the compass bar can receive a pressure feedback by the brain, the feedback pressure reacts on one side of the compass bar, so that the size of the compass bar can be adjusted automatically, fine adjustment on the compass bar is achieved, and the brain fixing effect is improved.

The present invention provides: a superficial cerebral vascular bleeding inhibitor comprising an aqueous solution containing 120 to 160 mEq / L of sodium ion, 1 to 5 mEq / L of calcium ion, and 75 to 165 mEq / L of chloride ion; the superficial cerebral vascular bleeding inhibitor further comprising 1 to 5 mEq / L of potassium ion; and a packaged container containing the superficial cerebral vascular bleeding inhibitor (with or without potassium ion). The superficial cerebral vascular bleeding inhibitor of the present invention can effectively prevent or inhibit bleeding from superficial cerebral blood vessels in the field of neurosurgery such as intracranial surgery and the like, thereby capable of securing a clear operating field during intracranial surgery and inhibiting the occurrence of post-surgery damage.

The aspirator for the transnasal endoscopic intracranial surgery comprises a main body part and an operation part connected to the rear end part of a tube main body, and the main body part comprises the tube main body and a snake bone structure arranged at the front end part of the tube main body, the tube main body is provided with a front end part and a rear end part which are opposite to each other. The snake bone structure forms a first bendable part of the aspirator for the transnasal endoscopic intracranial operation, and the bending direction and the bending angle of the first bendable part can be controlled and changed when the first bendable part is located in the cranium, so that the first bendable part can be adjusted in real time according to the actual condition of the operation. In addition, the pipe body can provide support for the snake bone structure, so that the snake bone structure is prevented from being broken.

The invention discloses a positioner for an intracranial operation. The positioner comprises a fixing arm, a transverse adjusting arm, a longitudinal positioning arm, a longitudinal positioning nail,a transverse positioning nail, an auxiliary positioning nail and an auxiliary operation mechanism. The fixing arm is equipped with a horizontal transverse part and a vertical longitudinal part. The longitudinal positioning nail can be arranged at the left end of the transverse part in an adjustable manner. The longitudinal positioning nail can be positioned at the top of an external skull. The longitudinal positioning arm is arranged at the lower end of the longitudinal part along the direction being parallel to the longitudinal part in a position-adjustable manner. The transverse positioningnail is arranged at the lower end of the longitudinal positioning arm in a position-adjustable manner along the direction being parallel to the transverse part. The transverse positioning nail can bepositioned on one side part of the skull. The transverse adjusting arm is arranged on the transverse part along the direction being parallel to the transverse part in a position-adjustable manner. Theauxiliary positioning nail and the auxiliary operation mechanism can be arranged on the transverse adjusting arm in the mutually detaching and replacing manner. The auxiliary positioning nail can bepositioned on the other side part, departing from the transverse positioning nail, of the skull. The auxiliary operation mechanism can be used for assisting an intracranial surgery operation.

The invention relates to the technical field of humidifying devices, in particular to a device for continuous constant-temperature humidification in craniocerebral surgery. The device comprises an elastic liquid bottle, a flow guide flexible tube and a constant-temperature adjustment device. The flow guide flexible tube is communicated with the elastic liquid bottle, and the tail section of the flow guide flexible tube is provided with a plurality of moistening holes. The constant-temperature adjustment device comprises an outer shell, an airtight water container, heating wires and a constant-temperature control component in electrical connection with the heating wires, and each of the upper end and the lower end of the water container is provided with a flow guide hole. The constant-temperature adjustment device comprises two T-shaped soft rubber sleeves, the middle portion of the flow guide flexible tube penetrates the water container through the two flow guide holes, and the T-shaped soft rubber sleeves internally sleeve the flow guide holes and externally sleeve the flow guide flexible tube to guarantee constant airtightness of the flow guide holes. The device is capable of replacing a mode of manually moistening brain tissues outside a surgical area and capable of continuously moistening the brain tissues outside the surgical area by surgical cotton, and brain tissue losscaused by personnel negligence or surgical cotton adhesion can be avoided.

The invention relates to the technical field of auxiliary instruments for the thoracic surgery department, in particular to a three-point locating type craniocerebral operation locating device. The device comprises a head fixing device used for fixing the head and a fixing installing assembly used for installing the head fixing device. According to the three-point locating type craniocerebral operation locating device, two clamping plates and a fixing belt fix the three surfaces of the head, three-point head fixing is achieved, and the head fixing effect is improved; the reactive force generated from bending of a clamping strip can make the clamping strip tightly fit the surface of the head, the head fixing effect is further improved, and the clamping stability of the head fixing device isimproved; a supporting rod pushes a connecting piece to shift integrally, the integral position of an adjusting box is adjusted, and an installing rod rotates in a rotation groove to adjust the integral angle of a connecting block; an internal threaded cylinder rotates in a swivel to adjust the inclining angle of a connecting base, the installing angle of the adjusting box is adjusted, and multi-angle installment is convenient.

The invention discloses a bush fixing device for a craniocerebral operation. The bush fixing device comprises: a supporting body; a fixing piece arranged in the middle of the supporting body; and at least three supporting legs arranged on the supporting body, wherein the ends, away from the supporting body, of the supporting legs can be in lap joint with a bone window, and each supporting leg comprises at least two supporting sections and a damping part. According to the invention, during use, the supporting legs are respectively lapped on the bone window, the bush is mounted in the clamping hole, and when the distance between the bush and the bone window needs to be adjusted, external force is applied to the direction close to or far away from the bone window so as to change the angles ofthe adjacent supporting sections, and in the adjusting process, all the supporting sections can be stably kept in the adjusted posture under the limiting effect of the damping part, and finally the purpose of adjusting the distance between the sleeve and the bone window is achieved; and due to the adoption of the scheme, the bush can be well supported, and the corresponding distance can be flexibly adjusted as required during an operation, so that the fatigue of an operator can be relieved, and the difficulty of operative treatment is reduced.

The invention relates to a cranial brain model and its preparation method and application. The model includes an upper skull and a lower skull, the upper skull and the lower skull are detachably closed and connected, and a skull cavity is formed inside, and cortical brain tissue with a gully structure on the surface is arranged in the skull cavity, and the cortical brain tissue is distributed There are blood vessels and nerves; the cortical brain tissue is made of silicone elastomer. The cranial brain model provided by the present invention has skulls, cortical brain tissue, blood vessels and nerve components similar to the real cranial brain structure, can simulate the physical structure and touch of the real cranial brain, and can realistically and intuitively reproduce the anatomical structure of the cranial brain. It can be widely used in the teaching of medical cranial structure, clinical cranial surgery simulation, surgical training and operation practice.

The invention discloses a unidirectional telescopic skull fixation device, which belongs to the technical field of bone fixation and repair. The fixation device includes a bone flap side fixation structure, a skull side fixation structure and sliding rods, and the bone flap side fixation structure is connected with the skull side fixation structure by the sliding rods. The fixation device providesa new means and method for return and fixation of a bone flap after a craniocerebral operation, a new option is added between pure complete fixation and removal of the bone flap, the fixation deviceis used for patients who may have increased intracranial pressure after surgery, the problem of the increased intracranial pressure after pure skull fixation can be effectively solved, the fixation device can help to control the risk of postoperative brain tissue swelling of the patients, and at the same time, the strength of the device is stronger than that of a traditional nail plate fixation system and a skull locking system, and the stability of the bone flap after the return is ensured.