351results about How to "Improve the effect of surgery" patented technology

A robot aided surgical system for the bone setting operation with the locking intramedullary nail is composed of multifunctional automatic operation bed, robot, bone setting regulator on said robot, bone fixing mechanism, high-accuracy full-automatic X-ray machine with C-shaped arm, navigation robot, robot controller, master hand control station, and slave hand control station.

The invention discloses a master-slave minimally invasive vascular interventional surgery remote operation system and belongs to the technical field of medical equipment. The system comprises a doctor control platform, a master-end control computer, visual feedback detection equipment, a wire and tube guiding manipulator, a slave-end control computer and a slave-end pose adjusting platform. The doctor control platform conducts motion of simulating the medical behavior of guiding a tube and a wire according to operation of a doctor and transmits motion information corresponding to the motion to the master-end control computer; the master-end control computer transmits the received motion information as a motion control command to the slave-end control computer; the slave-end control computer transmits the received motion control command to the wire and tube guiding manipulator; the wire and tube guiding manipulator moves according to the received motion control command and then conducts the medical behavior on a patient. Through the system, intervention can be completed according to operation information of the doctor, haptical information can be fed back to the doctor in real time, and therefore safety and operability of interventional surgery are improved.

The invention discloses an artificial half pelvic prosthesis with a support structure, comprising an ilium side prosthesis and an acetabulum side prosthesis which are provided with a plurality of bolt holes, and a hook-like support structure arranged at the sacrum part justly is arranged at the edge end of the ilium side prosthesis; the ilium side prosthesis is hemispherical, an extension arm is arranged inwards, and a hook-like support structure arranged below the public rami at the same side or the opposite side is arranged at the tail end below the arm. In the invention, by adopting the support structure, interfacial stress between the prosthesis and the residual pelvis is converted into pressure stress from shearing or tensile stress, so as to improve the stability of the prosthesis. Moreover, a special inserted support structure or an inserted intramedullary stem structure is adopted at the connecting part of the prosthesis and a horizontal ramus of pubis, more femoral blood vessels and nerves on the surface are not needed to be exposed in the operation, the inserted type support structure or the intramedullary stem is directly inserted in the stump of the horizontal ramus of pubis, so as to simplify the operation and reduce risks of bleeding and injuring vital nerves and blood vessels.

The invention relates to a tissue restoration fiber membrane, a production method and an application thereof, and a tissue restoration product. The tissue restoration fiber membrane is formed by interlacing fiber yarns with the diameter of 10 nm to 100 [mu]m, the fiber membrane has a pore structure formed by interlacing the fiber yarns, every fiber yarn is provided with an annular projection structure in a radial direction, and the bulkiness of the fiber membrane is not less than 2 cm<3>/g and less than 200 cm<3>/g. The invention also discloses the production method of the tissue restoration fiber membrane, the application of the tissue restoration fiber membrane in the production of the tissue restoration product, and the tissue restoration product produced by using the fiber membrane.

The invention provides a balloon guide catheter, and in particular relates to the technical field of medical apparatus and instruments. The catheter is a composite pipe composed of an outer tube, an inner tube, and a suction tube positioned at the far end of the catheter which are coaxial, and a flexible balloon capable of realizing the full or contraction state is connected to the outer layer ofthe far end of the outer tube; an annular cavity between the inner tube and the outer tube forms a balloon filling cavity; the far end of the inner tube is welded to the near end of the suction tube;an inner cavity of the inner tube is connected with the inner cavity of the suction tube in series to form a guide cavity of the catheter, namely, a thrombus suction cavity; a main inner hole of a Y-shaped joint communicates with the inner cavity of the inner tube to form a wire guide cavity and the thrombus suction cavity; and the axis of side holes of the Y-shaped joint and the axis of the maininner hole of the Y-shaped joint have intersection at the near end direction of the catheter to form an acute angle, and the side holes of the Y-shaped joint and a gap between the outer wall of the inner tube and the inner wall of the outer tube communicate to form the balloon filling cavity. For the balloon guide catheter, during the interventional treatment process, blood flow can be blocked, sothat small broken thrombus is prevented from blocking the far end, and meanwhile, large thrombus blocks at the near end can be sucked, so that the surgery effect is greatly improved.

The present disclosure provides methods, systems, techniques and apparatus related to an instrumentation used to classify tissue before and/or during removal. The tissue can include any hard tissue/soft tissue interface, such as a cataract within a lens. Before an operation, an ultrasound image can be provided that gives a full scan of the targeted region, e.g., a lens, and provide a hardness profile. The profile could include a two or three dimensional map of the tissue hardness, assisting a surgeon to choose a suitable surgical procedure and strategy. During the operation, hardness measurements can be carried out real-time, in a constant manner, while the surgeon is working. This data can allow the handpiece to automatically adjust to the surgical conditions including the tissue hardness, increasing surgical performance, decreasing surgical procedure time and reducing the rate of complications.

The invention relates to a feature-based quick bone plate design method. The method is characterized in that the method includes the following steps that 1, an interesting region is selected through border lines according to a bone model, and surface reconstruction is conducted on the interesting region; 2, feature definition and parameter setting are conducted on the reconstructed surface region, and a surface feature is generated; 3, a bone plate entity feature is built through the generated surface feature, a mapping relation between the surface feature parameters and the bone plate entity feature parameters is built, and later quick editing and altering are facilitated. The feature-based quick bone plate design method provides a certain theoretical basis for the bone plate design, particularly the individualized design of bone plates, the design cycle of the bone plates is shortened, and design efficiency is improved.

The invention discloses a customized far-end dissect type bone plate design method based on patient femur parameters; the method comprises the following steps: leading in a patient fracture model, and measuring effective femur model parameters; using the effective femur parameters to build up a patient femur curved surface characteristic model, projecting a main fracture line to the femur model, restoring main fracture traces, and building up a femur fracture reset curved surface model; drafting a customized contour sketch on a femur sagittal surface, projecting the contour to the femur reset model, obtaining a local curved surface to form a femur binding surface, parameterizing the binding surface contour, and building up mapping between the femur parameters and the binding surface parameters; extending the binding surface outwards at unequal pitchs in a sagittal surface direction so as to build up a bone plate entity, defining entity characteristics, building up mapping between the binding surface and entity characteristic parameters, and forming bone plate characteristics; leading out the characteristics so as to generate a customized bone plate. The customized far-end dissect type bone plate design method uses patient femur parameters to directly and accurately build up the customized dissect type bone plate, can fast generate a same kind bone plate according to parametric modification, thus providing important meanings for customized design of the patient bone plate in a bone surgery.

The invention provides a fabrication template system for custom individual artificial total hip replacement operation acetabulum. The system comprises an acetabulum positioning guide plate, a depth control drill and a colored depth indication rod. The acetabulum positioning guide plate comprises a fossa ovalis positioning plate, an acetabulum bottom positioning plate and a depth guide cylinder. The fossa ovalis positioning plate is attached to the fossa ovalis according to the fossa ovalis dissection shape. The acetabulum bottom positioning plate is arranged at the outer edge of the fossa ovalis positioning plate and is attached to the acetabulum cartilage face according to the acetabulum dissection shape. The depth guide cylinder is arranged on the acetabulum bottom positioning plate and performs guide and depth limitation on the depth control drill. The depth control drill performs drill on the acetabulum through the depth guide cylinder, a depth limit ring protruding from the drill is arranged on the body portion of the depth control drill, and the depth limit ring is limited at the end of the depth guide cylinder through the depth guide cylinder. The length of the colored depth indication rod is identical to the drill hole depth, and the colored depth indication rod is inserted into the hole to indicate the depth and direction. By means of the template system, the ideal acetabulum prosthesis arranging position can be obtained, and accordingly, the acetabulum prosthesis can be arranged accurately, and the operation effect is improved.

The invention provides a water injection device of a medical operation electrode and a manufacturing method of the water injection device, and particularly discloses a water injection device of a double-pole operation electrode, which can be applied to histological anatomy or tissue drying or tissue ablation or low-temperature hemoglutination. The water injection device consists of a water inlet tube joint of an electrode, a water inlet catheter, an electrode internal pipeline and a tool nose water outlet, wherein the water inlet tube joint is matched with the outer conical joint of a medical infusion set; and the tool nose water outlet is formed in the back part or close to an electrode working end. The water injection device has the beneficial effects that the electrode is more suitable for the practical requirements of different types of surgical operation; and meanwhile, physiological saline is conveniently guided to a surgical treatment position simultaneously in an oriented way on the double-pole electrode, so that the working effect of the double-pole electrode is improved greatly, surgical operation is simplified, the treatment function of the electrode is brought into play to the maximum extent, the operation effect and safety are improved, and side injuries in a treatment process are controlled and reduced to the maximum extent.

The invention discloses a fixing device for medical apparatuses and instruments, and belongs to the technical field of implantation-type medical systems, wherein the fixing device for the medical apparatuses and instruments is used for fixing electrode wires or other thin tubular articles on the skull. The fixing device can locate an electrode accurately, the electrode can be controlled to only generate tiny displacement no matter when it is in a surgery process or after the surgery, the fact that tiny influences are generated on the effect of the surgery by the fixing device is guaranteed, the success rate of a deep brain stimulation surgery is improved in an electrode fixing link, and the surgery effect is improved.

The invention discloses a three-dimensional model reconstructing method for keeping a fracture line of a jaw bone. The method is characterized by comprising the following steps that 1, CT data, in accordance with a Dicom protocol, of an injured jaw bone are input; 2, a surface model of the jaw bone is extracted by using a Marching Cube isosurface algorithm; 3, a segmentation algorithm which combines a Gaussian mixture model with Graph Cut is used for rapidly completing segmentation of broken bone blocks and a main bone block; 4, automatic replacement is conducted on the broken bone blocks on the basis of the symmetry, and a complete jaw bone model is obtained by splicing the broken bone blocks and the main bone block; 5, positioning devices which are each composed of a pair of coupling block devices are additionally arranged on the seams of the complete model obtained through splicing; 6, a complete three-dimensional solid model is obtained through assembling according to the positioning devices. By means of the three-dimensional model reconstructing method for keeping the fracture line of the jaw bone, in a jaw bone repairing operation, particularly when chimerism, fixation and repair are conducted between the broken bone blocks and between the broken bone blocks and the main bone block, the fracture line information of the defect parts is kept, so that errors in the operation are reduced, the wounds of a patient are reduced, the process of the operation is accelerated, and the operation effect is guaranteed.

The invention discloses a catheter coated with rapamycin. The outer surface of part catheter is coated with catheter. It is used for preventing disease recurrence for urine injured patient or urethral stricture patient.

The invention discloses a control method and device of a grinding and filing tool, electronic equipment and a storage medium. The control method of the grinding and filing tool comprises the steps that the initial posture of the grinding and filing tool under a base coordinate system and position coordinates of key points are obtained; based on the transformation matrix, the grinding and filing tool is transformed into a moving posture from the initial posture; the position coordinates of the top end of the grinding and filing tool are fixed, a mechanical arm controls the grinding and filing tool to grind and file in the motion posture, and the posture of the grinding and filing tool is adjusted according to the motion trail of a flange original point of the mechanical arm; and when a coordinate difference value between a current position coordinate of the sphere center of the inner spherical surface of an acetabular cup and the grinding and filing depth limiting point is smaller than or equal to a preset threshold value, the grinding and filing tool is controlled to stop moving through the mechanical arm. In this way, the movement angle and depth of the grinding and filing tool can be controlled in the acetabulum grinding and filing process of an operator, the acetabulum is prevented from being abraded, and therefore the use safety of the grinding and filing tool and the operation effect of patients are improved.

The invention discloses an autonomous dental implant robot system, device and method thereof. The system comprises a robot for executing dental implanting; a computer controlled system used as a processing, analysis and decision center for dental implant information; a visual scanning navigation and tracking device for determining oral reference marks and the association between the dental implantposition in an oral cavity of a patient and the dental implant medical device. Under the work state of the system, relationship among the visual scanning navigation and tracking device, the dental implant robot system, the computer controlled system and the oral cavity of the patient are established so as to provide complete autonomous dental implant operation solution schemes, which ensures theaccuracy of the position of the implant and the accuracy of the occlusion, greatly improving the service life of the dental implant and the comfort of the patient after surgery.

The invention discloses a space mapping method of an assisted surgery for robots. The space of an assisted surgery for robots comprises an image space, a robot space and a patient space during surgery. The method mainly comprises the steps: an affine coordinate system of different spaces is set up through three or more than three identification points for the connection of all the spaces; and the mutual mapping between the spaces of an assisted surgery for robots is realized through obtaining the affine matrix and the origin coordinate of each affine coordinate system on a basic coordinate system. The invention can realize non-contact identification point positioning independent of any mechanical equipment, has a quick positioning process and can realize sub-second grade positioning. In addition, the mutual positioning error between a camera coordinate system and an image coordinate system is smaller than 1 mm.

The invention discloses a student health monitoring system based on big data. The system comprises a hand-foot-and-mouth disease detection module, an eyesight detection module and a sports bracelet detection module. The hand-foot-and-mouth disease detection module is used for obtaining a disease index value which is used for reflecting the risk that the detected person suffers from the hand-foot-and-mouth disease. The eyesight detection module is used for obtaining a pupil diameter value, siphon response time, pupil response time and pupil-corneal reflection vector coordinates, wherein the pupil diameter value is used for reflecting the pupil diameter of the detected person under the irradiation of natural light; the siphon response time is used for reflecting the response time of capturing a bright pattern by the vision of the detected person; the pupil response time is used for reflecting the adaptive time of the pupil to the illumination brightness change; and the pupil-corneal reflection vector coordinates are used for reflecting the offset of the pupil center and the corneal reflection facula center. The information is input into a database to serve as big data information tobe analyzed, and the big data analysis step is used for analyzing the big data information to be analyzed to obtain analytical judgment information.

The invention discloses a surgical instrument locating assembly used in the laparoscopic surgery. A surgical instrument is fixed on a fixing device, and comprises an actuating end extending into the abdominal cavity and a power end mounted on the fixing device (2), wherein a long pipe structure is arranged between the power end and the actuating end, a locating assembly carries out locating on thelong pipe structure, and the locating assembly at least comprises a sleeve (211) fixed on the fixing device and used for passing through of the long pipe structure.

The invention provides an aorta blocking device for total aortic arch replacement and stented elephant trunk surgery. The aorta blocking device comprises a supporting artificial blood vessel and a blocking device body, the blocking device body comprises a catcher, a balloon arranged at one end of the catcher and a pressurizing and depressurizing device capable of enabling the balloon to expand andcontract, and the balloon after expanding by pressurizing can be fixed in the supporting artificial blood vessel and can block the same at a supporting position. The blocking device comprising the balloon is creatively applied in total aortic arch replacement and stented elephant trunk surgery and combined with the supporting artificial blood vessel arranged in a descending aorta to block blood flow of the aorta, so that deep hypothermia is avoided, deep hypothermia circulation arrest time of the descending aorta is shortened remarkably, postoperative complication is reduced greatly, and operative effect is improved.