89results about How to "Surgical precision" patented technology

The invention relates to a novel orthopedics restoration device, comprising a bracket used for maintaining the bent-knee position of a suffered limb. The bracket comprises a panel, a substrate and a regulating element for regulating the included angle between the panel and the substrate, and the panel is thereon provided with a traction restoration module which is used for providing immediate traction and location of axial movement and circumferential movement of the limb. On the basis of stabilizing and supporting the suffered limb, the invention realizes the immediate traction of the limb along the axial direction and the circumferential direction and the restoration of the fracture caused by trauma of external force from a plurality of angles. The immediate traction along the circumferential direction solves the problems that precise restoration of the suffered limb can not be realized only by the traction along axial direction, the assistance of force applied by a doctor is required, the maintaining of stability is difficult and traction restoration is inaccurate, thus facilitating the precise restoration of the suffered limb and being convenient for operation.

The invention discloses a 5G remote orthopedic operation robot combining a virtual technology with 3D printing. The 5G remote orthopedic operation robot comprises an operation end part and a control end part which are connected in a wired or wireless mode for near-field or remote communication; the operation end part is provided with an operation robot body, and the control end part comprises a preoperative modeling part and an intraoperative control part; the intraoperative control part comprises a mixed reality device and a simulation operation device; and the simulation operation device andan operation device of the operation end part are connected in real time, and the operation device and the simulation operation device perform an operation in a linkage mode. A robot system is divided into the operation end part and the control end part, the control end part is that a doctor performs a simulated operation on a 3D model, the operation end part is that the operation is completed bythe robot, the two parts are matched through a preoperative scanned image to guarantee that the simulated operation and the formal operation completed by the robot are performed synchronously, and the whole operation process is completed independently by the robot.

The invention relates to a preparation method of a tissue model with a cavity structure and the issue model. The method comprises the following steps: as for a target tissue with a cavity structure, acquiring a first three-dimensional geometric model having the same contour shape and size with a tissue; shrinking the first three-dimensional geometric model in the radial direction according to the wall thickness of the tissue, so as to obtain a second three-dimensional geometric model; manufacturing a bracket according to the second three-dimensional geometric model; coating a material used for manufacturing the tissue model on the surface of the bracket according to the wall thickness of the tissue; removing the bracket after the material is solidified, and obtaining the tissue model with the cavity structure. The high-precision tissue model, of which the size is close to that of the real tissue, is obtained for the tissue with the cavity structure through size design; as the tissue model is obtained through coating, the material of the tissue model is not limited by a consumable item of a traditional 3D printer, and the purpose of preparing the tissue model by choosing any proper material is fulfilled.

The invention provides a three-dimensional fuzzy control device and method of a minimally invasive vascular interventional surgery catheter robot and belongs to the field of minimally invasive vascular interventional surgery robot control. The three-dimensional fuzzy control device comprises a master manipulator device, an upper computer, a secondary terminal DSP (Digital Signal Processor), a first motor, a second motor, a third motor and an attitude sensor. According to the three-dimensional fuzzy control device and method of the minimally invasive vascular interventional surgery catheter robot, the defects of a PID (Proportion Integration Differentiation) control method and a two-dimensional fuzzy control method when a catheter operation robot is controlled are overcome, the control accuracy of the catheter operation robot is improved, and accordingly the operation accuracy on a catheter can be improved, the effect on the catheter movement of environmental factors such as the breathing and the heartbeat of a patient can be reduced, the overshoot caused by catheter operation of an operator can be reduced, and accordingly the surgery can be accurate and safe.

The invention provides a skeleton registration method and system for a surgical navigation system and a storage medium, which are used for determining a transformation relation between a preoperative coordinate system and an intra-operative coordinate system, and the method comprises the following steps: obtaining a source point cloud SPC by using preoperative skeleton image data; obtaining a target point cloud TPC by using point data collected from an actual skeleton surface; selecting four groups of corresponding point pairs from the source two point clouds, and performing initial registration; performing accurate registration through different initial transformation matrices, wherein the initial registration is based on an affine transformation method of singular value decomposition, producing a 4 * 4 dimensional matrix, thereby mapping points of the 3D virtual model to an approximation of patient bone coordinates in an intra-operative coordinate system. According to the invention, the anatomical structures of the patient before and during the operation can accurately correspond to each other, so that a doctor can clearly know the anatomical positions of the surgical instrument and the patient, and the surgical tool can be accurately controlled to reach the required part.

The invention relates to a multi-angle ultrasonic image fusion method and system and electronic equipment. The method comprises the following steps: step a, positioning an ultrasonic probe by using an image processing technology, and obtaining a spatial coordinate point of the ultrasonic probe in a laparoscope binocular video by using a camera coordinate and image pixel coordinate mutual conversion formula; step b, establishing a homogeneous linear equation set according to the spatial coordinate points of the ultrasonic probe, and obtaining a linear equation of the scanning plane of the ultrasonic probe by using singular value decomposition; step c, calculating the spatial coordinates of the ultrasonic image according to the linear equation of the scanning plane of the ultrasonic probe; and step d, acquiring an ultrasonic image by the ultrasonic probe, and converting the space coordinates into corresponding pixel coordinates fused into the video image according to a camera coordinate and pixel coordinate conversion formula to complete the fusion of the ultrasonic image into the video image. The perception ability of doctors to the intra-operative environment can be improved, the intra-operative risk is reduced, and the success rate of the operation is increased.

The invention discloses a surgical robot system based on cloud data technology and an operation method. The surgical robot system comprises a surgical robot host, mechanical arms, a surgical instrument and a camera, cloud data, a surgical doctor, a three-dimensional camera and a three-dimensional display screen; the operation method comprises the following steps: finding previous cases by a surgical robot according to the type of surgery needing to be done, diseases conditions and properties from the cloud; after selecting an optimal scheme, reviewing the scheme by the surgical doctor; in a surgery process, demonstrating each step of operation by the robot after cloud data analysis and learning; after the robot obtains the permission of the surgical doctor, carrying out actual execution, wherein the surgical doctor can interpret the progress at any time to improve the operation. According to the surgical robot system disclosed by the invention, deep learning can be carried out according to surgery big data; the surgical robot capable of automatically performing a surgery task can finally replace a mechanical arm robot to do better, safer, more rapid and more accurate surgeries forhuman beings.

The invention relates to a double-headed scalpel with protective covers. The double-headed scalpel comprises a handle, a first blade, a second blade and two protective covers, wherein the first blade and the second blade are arranged at the two ends of the handle respectively, and each protective cover comprises a pin rod, a first protective piece, a second protective piece, a first elastic piece and a second elastic piece. Pin holes are formed in the scalpel back, and the pin rods are positioned in the pin holes and are in tight contact and match with the pin holes. The inner ends of the first elastic pieces and the inner ends of the second elastic pieces are connected with the upper portions of the pin rods respectively, the upper portions of the first protective pieces and the upper portions of the second protective pieces are connected with the outer ends of the first elastic pieces and the outer ends of the second elastic pieces respectively, and the lower ends of the first protective pieces and the lower ends of the second protective pieces are provided with blunt portions facing cutting edges. By means of the two blades, demands for cutting various tissues are met, and delay of operations is avoided. The protective covers protect the cutting edges, so that the safety of the double-headed cutting edges is ensured. The blunt portions at the lower ends of the first protective pieces and the lower ends of the second protective pieces form blocking surfaces to limit the feeding depth of the scalpel, so that the operations are more accurate, patients' pain is alleviated, and the double-headed scalpel is safer and more reliable.

A surgical navigation system for providing computer-aided surgery. The surgical navigation system includes a handheld surgical tool with computer-aided navigation, an imaging device, an alignment module, and a user interface module. The handheld surgical tool includes at least one sensor for measuring a position of the tool in three dimensions, and at least one set key. A processor and at least one display device are associated with the handheld surgical tool and configured to display a target trajectory of the handheld surgical tool for the surgical procedure.

The invention provides a multifunctional medical support, and relates to the field of medical apparatuses and instruments. The support comprises a base, a support body, a first support body and a second support body; the base is installed at the bottom end of the support body, the first support body is installed in the middle of the support body, the second support body is installed at the top endof the support body, and the first support body comprises a first placement piece, a second placement piece and a third placement piece which are rotationally arranged on the support body; the firstplacement piece, the second placement piece and the third placement piece are each provided with a placement part for containing medical apparatuses and instruments. A sliding assembly is installed onthe base so that the whole device can move. The first placement piece, the second placement piece and the third placement piece can be unfolded to contain a large number of surgical instruments, andcan also be folded, and transportation and storage are conveniently performed. The second support body can be provided with electronic equipment so that a surgeon can observe vital signs of a patientat any time while surgery is performed, and the surgery can be more accurately performed.

The invention relates to the technical field of medical apparatus, and discloses a spinal deformation correcting device. The spinal deformation correcting device comprises pedicle screws, a longitudinal connective bar, a bar presser, a locking nut, transverse connectors and a longitudinal connecting framework, wherein the screw bodies of the pedicle screws are implanted into a vertebral body of aspinal column to be corrected; the longitudinal connective bar is spliced with grooves of the pedicle screws; the bar presser is sleeved on the outer side of the pedicle screws; the locking nut is matched with internal threads of the pedicle screws; the transverse connectors are connected with tail pipes of two pedicle screws positioned on the same vertebral body; and a plurality of the transverse connectors positioned in the longitudinal direction of the spinal column are connected with one another through the longitudinal connecting framework. Besides, the invention also discloses a using method of the spinal deformation correcting device.

The invention relates to a scalpel with a limiting protection function. The scalpel comprises a scalpel handle, a blade, a bottom plate, a support, a rotating shaft and at least one lifting mechanism. The blade is mounted at the lower end of the scalpel handle, the support is mounted on the bottom plate, and a notch is formed in the upper end of the support; the upper end of the scalpel handle is rotatably mounted in the notch through the rotating shaft, the blade extends to the position below the bottom plate from the edge of the bottom plate, the lifting mechanism is mounted on the bottom plate, and a power output end of the lifting mechanism is connected with the middle-lower portion of the scalpel handle. The bottom plate, the support and the lifting mechanism are provided, the bottom plate is used as a supporting face and a reference plane of the scalpel, and the lifting mechanism is used for adjusting the exposing size of the blade below the bottom plate, so that the scalpel feeding depth is limited, the condition that the scalpel is fed to shallow or too deep is avoided, an operation is more precise, pain of patients is reduced, and the scalpel is safer and more reliable; in addition, the lifting mechanism is used for adjusting the exposing size of the blade anytime, and the scalpel feeding depth is adjusted anytime according to requirements of operations.

The present invention relates to a medical injection needle and a manufacturing method therefor. The medical injection needle of the present invention is characterized in that the inside, made of a metal material, is formed as a hollow cylindrical tube; at one end of the tube, a cutting part (10) consisting of an inclined portion (11) and a horizontal portion (12) is formed wherein the inclined portion is downwardly inclined at a certain angle from the upper end on the side and has a lower end positioned lower than the central axis (a) of the tube, and the horizontal portion is connected with the front end of the inclined portion (11) and is formed parallel to the central axis (a) of the tube; at one end of the tube, a flat round part (20) having a convexly rounded shape on the plane is formed; and the shape of the side cross-sectional area of the horizontal portion (12) consists of a protrusion part (14) and a side round part (16), wherein the protrusion part has one front end connected with the front end of the lower inner circumferential surface (13) of the tube, is formed vertically upward from the front end of the lower inner circumferential surface (13) of the tube, and has the other front end connected with the horizontal portion (12); and the side round part has one side connected to the front end of the horizontal portion (12) and has the other side connected with the lower surface (15) of the tube while forming a curve downwardly. According to the present invention, the end of the injection needle takes a rounded shape when seen on the plane and takes a rounded shape in the upward direction from the bottom when seen from the side, and so a pointed portion is not formed and thereby damage to muscles, nerves, and blood vessels does not occur when inserted under the skin. Due to formation of the cutting part consisting of the inclined portion inclined at a certain angle from one side of the upper section when seen from the side, and the horizontal portion in parallel to the direction of the central axis, thread can be smoothly inserted while naturally hung in the cutting part during injection under the skin while a part of the thread is inserted. Particularly, due to formation of the fine protrusion at the end of the injection needle, even though the thread is not a thread provided with a twisted part, the thread is naturally twisted, bent and inserted during insertion of the injection needle under the skin, thereby enabling an exact surgical procedure. In addition, the injection needle is manufactured through sanding finishing following a cutting process of the cutting part after the end of a hollow tube is welded while a rod is placed thereon, and thereby the thread is naturally hung while the inner circumferential surface of the injection needle becomes smooth.

The invention belongs to the field of medical instruments, and particularly relates to a tibial prosthesis. The provided tibial prosthesis comprises a tibial replacement part and a fixing part, wherein the fixing part is used for fixing the tibial replacement part and a healthy bone in a preset replacement position, and the tibial prosthesis is a 3D-printed tibial prosthesis; and the tibial replacement part comprises a tibia medullary cavity insertion unit, a load-bearing unit and a talus fixing unit which are sequentially connected. According to the tibial prosthesis, the 3D-printed personalized distal tibial prosthesis is designed and placed according to CT data or nuclear magnetism data of an invasion range of a removed focus, compared with allogeneic bones and tibial plates used in theprior art, the tibial prosthesis has good stable reliability, moreover, surgery is more precise, the surgical difficulty and risks are greatly reduced, the surgery time is shortened, and recovery ofa patient is more facilitated; and the defects that in the prior art, during bone reconstruction, quick healing cannot be achieved, and good initial stability and long-term stability cannot be ensuredare overcome, and it is further ensured that the patient has good knee joint functions after the surgery.

The invention provides an integrated surgical navigation method and system based on augmented reality and a storage medium, and the method comprises the steps: generating a corresponding virtual 3D organ model image according to image scanning data of a patient; the virtual 3D organ model image comprises a guide graph corresponding to a preset operation scheme; obtaining a positioning tracking image through shooting of a binocular infrared camera of a terminal device; obtaining a real image of the operation area through shooting of a visible light camera of the terminal equipment; calculating a relative position matrix between a target organ and the terminal equipment according to at least three infrared reflective balls in the positioning tracking image; and according to the relative position matrix, generating and displaying a virtual reality fusion image from the real image of the operation area, the virtual 3D organ model image and the guide graph thereof. Surgical navigation assistance is achieved, repeated interruption and switching of visual attention of an operator are avoided, and the operator can conveniently, efficiently, conveniently and accurately perform an operation according to the operation scheme.

The invention discloses a 3D (three dimensional) printed biological compound dental implant implanting device which is fully fitted with tooth gingiva of a human body. The dental implant implanting device is provided with a drilling sleeve cap on a tooth missed part, the drilling sleeve cap is provided with a drilling platform, a drilling guide hole is arranged in the center of the drilling platform, a rigid sleeve is arranged in the drilling guide hole, and air vents are arranged on the dental implant implanting device; the dental implant implanting device is printed by using a 3D printing technology. The 3D printed biological compound dental implant implanting device of the invention has the advantages of simple structure, reasonable design, convenient use and low production cost. According to the actual situation of different patients, different numbers and different diameters of the drilling guide holes are made, and a doctor can use the 3D printing technology according to different conditions of different people in the course of a surgery by utilizing the dental implant implanting device, so that the doctor can use a drill as advanced design each time in the surgery to enable the surgery to be more precise and scientific.

The invention relates to a superficial tumor wrapping and excision device and a using method thereof, and aims to completely wrap a tumor body under the guidance of four-dimensional ultrasonic three-dimensional dynamic data, segment the tumor and suck out the tumor under negative pressure, so the size of a wound is reduced, complete excision of the tumor is ensured, and no residue is left. The extraction sequence and position of the tumor are recorded, the extracted tumor strips are spliced to restore the original shape of the tumor, it is confirmed that the tumor is completely extracted, the conditions of all parts of the tumor can be accurately obtained, and targeted expanded excision is carried out on the lesion position. The tumor body and surrounding tissues can be clearly distinguished in the operation process, unclear boundary caused by bleeding or anesthetic injection in the operation process is avoided, and the integrity and accuracy of tumor body excision are guaranteed. The tumor body is integrally cut, the tumor range is limited, and then excision is performed, so the rotary incision range is limited, the operation is more accurate, the operation is easy, and the operation difficulty and the dependence on the personal experience of doctors are reduced.

The invention provides an operation teaching device, which belongs to the technical field of medical equipment, and comprises a supporting table, an operation platform, a camera, a microprocessor andan operation box, wherein a first driving mechanism and a swing arm are arranged on the supporting table; the operation platform is arranged on the supporting table, one end of the operation platformis hinged to the output end of the first driving mechanism, the middle of the operation platform is hinged to the swing arm, and the operation platform is used for bearing and fixing a to-be-operatedanimal and can be driven by the first driving mechanism to turn over by 0-90 degrees relative to the tabletop of the supporting table; the camera is connected with the operation platform through a flexible supporting piece and used for being aligned with the to-be-operated animal. The microprocessor is arranged on the supporting table, electrically connected with the camera and used for being in wireless connection with a multimedia teaching system; the operation box is arranged on the supporting table and electrically connected with the microprocessor, and a display screen is arranged on theoperation box and used for displaying electronic data of operation steps. According to the operation teaching device, the teaching order can be improved, and postoperative cleaning is facilitated.