181results about How to "Simplify the surgical process" patented technology

A method and apparatus for communicating with and monitoring the operation of a device implanted within a patient. A transceiver capable of being implanted within a patient provides a communication interface between an implanted medical device and a monitor external to the patient's body. The external monitor can communicate with a remote monitoring center over a communication network. The external monitor also provides control signals to the implanted device via the transceiver unit. The transceiver apparatus is capable of two-way communication between the implanted device and the external monitor. The transceiver apparatus is also capable of detecting actions performed by the implanted device and physiological signals directly from the patient's body. Thus, the transceiver apparatus provides circuitry for determining whether an implanted medical device is operating properly. The transceiver apparatus provides a way to remotely reprogram one or more implanted medical devices.

The invention provides a method for preparing a bone repair implant on the basis of the selective laser melting technology. The method includes the steps that original data is scanned on the basis of standard medical images of bones of a patient, and a digital three-dimensional model of a primary skeleton of the patient is extracted through image segmentation, editing and three-dimensional computation; according to individual conditions of the patient, osteotomy is directly conducted on the digital three-dimensional model of the primary skeleton to obtain a three-dimensional model of the bone repair implant; a porous structure capable of preventing stress shielding is designed in the three-dimensional model of the bone repair implant; an embedded structure capable of enhancing fixed connection with the primary skeleton is designed on the surface of the three-dimensional model of the bone repair implant; on the basis of the modified and designed three-dimensional model of the bone repair implant, the model is imported into quick forming auxiliary software for processing such as placement positioning, support adding, parameter setting and slicing and layering, a multi-layer slicing two-dimensional data model of the bone repair implant is obtained, metal 3D printing is conducted through the selective laser melting technology, and the bone repair implant is obtained.

The invention discloses a device for conveying a bracket in an operation, which comprises a coating film, a suture and a pulling line, wherein the suture is sewed on the coating film through the pulling line, the suture and the pulling line are used to sew two sides of the coating film, so that the bracket in the operation is closed and coated in the coating film, connection which can be disconnected when the pulling line is pulled out is formed between the suture and the coating film. An aorta is cut open on the end part of a vascular lesion position; the bracket in the operation, which is mounted on the conveying device, is conveniently and fast implanted into the corresponding lesion position including lesion positions of branch vessels; and thereby the corresponding suture can be released only by pulling out the pulling line; and then the bracket with branches in the operation is released and located in a blood vessel with branches, such as the aortic arch; and a cut is sutured after the conveying device is withdrawn. By using the invention, number of anastomotie stomas in the operation is reduced, the operation process is simplified, the operation time is shortened, the complications of the operation are reduced, the survival rate of the patient is improved, the treatment effect is increased, and wounds to patients with aortic arch parts and other diseases are more effectively reduced.

The invention discloses a surgical navigation system, which comprises a space positioning and marking element on a surgical instrument, a tracer on a skeleton structure, a binocular camera and a computer, wherein the tracer is provided with a navigation tracing surface; the space positioning and marking element comprises navigation surfaces; and the binocular camera is connected with the computerand transmits collected information of the tracer and the space positioning and marking element to the computer. Computer programs are separately stored into the computer and a computer-readable storage medium. A surgical navigation method is performed and comprises the steps of generating a three-dimensional model of a skeleton and a three-dimensional model of the surgical instrument and obtaining tracer registration information and calibration information of the space positioning and marking element; receiving real-time information, collected by the binocular camera, of the tracer and the space positioning and marking element; and calculating space position information of the skeleton and the surgical instrument, and carrying out real-time fusion on the space position information and thethree-dimensional models to obtain a dynamic image of a real-time position relationship between the skeleton and the surgical instrument. According to the surgical navigation system, surgical navigation is achieved and intraoperative registration is not needed, so that the surgical process is simplified and the surgical accuracy is improved.

The invention discloses a deep brain stimulation system which comprises an external detection control and ultrasonic sending device and an intracerebral ultrasonic receiving and stimulation treatment device. The external detection control and ultrasonic sending device is positioned outside the body of a patient and mainly comprises a microprocessor, a storage unit, a detection unit, an electrode array, an ultrasonic signal amplifier, a transducer, a display unit, a keyboard unit, a power source unit and a clock unit, and an intracerebral ultrasonic receiving and stimulation treatment device is implanted deeply in brain tissue of the patient and mainly comprises a transducer, a voltage gain and rectifier circuit, a voltage stabilizer, a control circuit unit and a stimulation electrode. The deep brain stimulation system is used for treatment of nervous system diseases like Parkinson's disease, torsion spasm, spasmodic torticollis, chorea and epilepsy.

The invention relates to a blood vessel thrombus-taking device with spine-shaped structures and a thrombus therapeutic instrument thereof. The blood vessel thrombus-taking device comprises a thrombus-taking instrument, a development ring located at the near-end of the thrombus-taking instrument and a development coil located at the far-end of the thrombus-taking instrument. The thrombus-taking instrument comprises a mesh tubular or cage-shaped structure composed of a plurality of mutually connected unit grids, and each unit grid is formed by embracement of mutually connected ribs. The ribs of the unit grids are provided with the spine-shaped structures respectively, and each spine-shaped structure extends into an outer cavity. The thrombus therapeutic instrument comprises the blood vessel thrombus-taking device with the spine-shaped structures, a protective sheath tube, a conveying wire, a micro catheter, a guide catheter and a rotary hemostasis valve. The micro catheter is pushed to the thrombus position in the guide catheter along the guide catheter, the protective sheath tube is communicated with the micro catheter through the rotary hemostasis valve, and the thrombus-taking instrument is placed in the protective sheath tube and pushed into the micro catheter through the conveying wire. The blood vessel thrombus-taking device is good in flexibility, and the thrombus-taking instrument can make the damage to the blood vessel wall smallest by bending a blood vessel or reaching a thin blood vessel at the far-end.

The present invention provides a bending device for use with an instrument for surgical operation which allows a distal end of the instrument to bend freely, an instrument for surgical operation having multiple functions, and a structure to actuate the instrument.

The invention discloses a cutting instrument for cutting a thighbone far side surface before a thighbone component for full knee joint replacement is implanted. The cutting instrument comprises: a, a long and thin rod suitable for being inserted into a marrow inner cavity of a thighbone, b, a thighbone far end cutting block capable of guiding the cutting of the far side surface of the thighbone, and c, a thighbone far end clamp component capable of positioning the thighbone far end cutting block on a left leg or a right leg, wherein the thighbone far end clamp component comprises a thighbone far end clamp; the thighbone far end clamp comprises at least one channel used for glidingly receiving the rod at a preset valgus angle, and a far end surface suitable for being propped against the thighbone far side surface of the left leg or the right leg according to two turning directions; in the first turning direction, the rod is inserted in one of the at least one channel with a preset valgus angle used for one of the left leg and the right leg; in the second turning direction, the thighbone far end clamp turns about 180 degrees around the longitudinal axis of the clamp, and then the rod can be inserted into one of the at least one channel with a valgus angle used for the other of the left leg and the right leg.

The invention relates to a navigation operation system, a registration method thereof and electronic equipment. The navigation operation system comprises a robot system and a navigation system which are in communication connection, the robot system comprises a mechanical arm, and the navigation system comprises navigation tracking equipment. The robot system is provided with a mechanical arm basecoordinate system established on the mechanical arm, and the mechanical arm base coordinate system is configured to be fixed relative to the position of a supporting device. The navigation system is provided with a reference coordinate system which can be recognized by the navigation tracking equipment, and the reference coordinate system is configured to be fixed relative to the position of the supporting device; the navigation operation system is configured to obtain the position relation between the mechanical arm and the navigation tracking equipment according to the position relation between the mechanical arm base coordinate system and the supporting device, and the position relation between the reference coordinate system and the supporting device, so that mechanical arm registration is not needed, the position between the mechanical arm and the navigation tracking equipment can be directly registered, the operation process is simplified, the operation time is shortened, and thereliability and real-time performance of mechanical arm tail end position collection can be guaranteed.

The invention relates to the field of medical instruments, and discloses a left atrial appendage plugging device which comprises a support skeleton e and a choke membrane; the support skeleton is a hollow near-spherical body having elasticity; the choke membrane is cap-shaped and is arranged on the proximal periphery of the support skeleton; an anchor thorn is arranged on the distal circumference of the support thorn, and is used for grasping on the inner wall of a left atrial appendage. The invention further discloses a left atrial appendage plugging system which comprises a conveying device and the left atrial appendage plugging device mentioned in the technical scheme above; the conveying device comprises a conveying sheath and a push rod; the left atrial appendage plugging device is arranged in the conveying sheath; one end of the push rod is arranged in the conveying sheath, and is detachably connected with the fixed end of the left atrial appendage plugging device. According to the left atrial appendage plugging device and system, the damage to vascular access can be reduced so as to reduce the operation risk.

The invention discloses a height-adjustable high-stability interbody fusion cage capable of supplementing and pressuring bone grafting. The height-adjustable high-stability interbody fusion cage comprises a middle frame, a through hole is formed in the rear end of the middle frame, grooves are arranged on the rear end of the middle frame corresponding to the left side and the right side of the through hole, a screw rod is arranged in the through hole in a penetrating mode, the screw rod is axially limited on the through hole through a positioning piece, a sliding block is connected to the endof the screw rod penetrating into the inner side of the middle frame, supporting plates are installed at the upper end and the lower end of the sliding block respectively, and the supporting plates climb or descend through nesting fit between ribs and the guide grooves and the inclined grooves, and threaded holes are arranged in the left side and the right side of the front end of the middle framerespectively, limit pins are arranged on the threaded holes, and a guide wire hole is arranged through the front end of the middle frame corresponding to the position in the axial direction of the screw. According to the height-adjustable structural design of the interbody fusion cage of the invention, through linkage control of the guide pin, the screw rod and the power sliding block, perfect matching of the height of the fusion cage and the height of a physiological intervertebral space is achieved; and the purpose of parallel lifting height of the intervertebral space after implantation isachieved.

The invention provides a bending adjusting handle and a bending adjustable catheter with the bending adjusting handle. The bending adjustable catheter comprises a catheter body, the bending adjustinghandle and at least two traction parts, wherein at least two bending adjustable sections arranged at an interval are arranged at the remote end of the catheter body; the bending adjusting handle comprises a driving mechanism and a control mechanism connected with the driving mechanism; the remote end of each traction part is connected with one of the bending adjustable sections; and the near end of each traction part is connected with a secondary sliding part of the driving mechanism of the bending adjusting handle. By manipulating the bending adjusting handle, the bending adjustable sectionscan be simultaneously driven to be bent to form different composite bending shapes, or one bending adjustable section is separately driven to be bent to finely adjust the bending shape of the corresponding bending adjustable section, so that operations such as a left coronary artery intervention operation and a right coronary artery intervention operation with different requirements on morphologies of the remote end of the bending adjustable catheter can be performed by using one same bending adjustable catheter, and individual differences of physiological anatomical structures of lumens of different paints can be met.

The invention provides a vertebral compression fracture implantation filling-repairing device, comprising a fabric sac that is of sub-gourd shape after being opened; the whole fabric sac is of mesh structure woven with polymer silk threads. Before implantation, there is no need for expanding a balloon, it is possible for direct implantation, bone cement may be injected into the device to repair physiological height of fracture collapsed vertebra to 90% and above, there is no need for a surgical process of bilateral puncture and bilateral balloon expansion, the surgical process is simplified, surgical time is shortened, and the pain and economic burden are decreased for a patient; the fabric sac of sub-gourd shape constrains bone cement in a vertebral cavity to form a double-ball shape, load-bearing area is enlarged, stress concentration is avoided, the problem that bone cement injection causes further vertebral damage is solved, and bone cement leakage is effectively controlled; in addition, the device is all made of polymer material having good biocompatibility, human body implantation safety and postoperative living quality of a patient are guaranteed.

A general thermotherapeutic device for treating tumor by heating in blood vessels is composed of the heat generating seed in the form of strip and transplanted in blood vessel for heating blood, a fixer for said heat generating seed, and an external electromagnetic device opposite to said heat seed for generating an alternative electromagnetic field.

A prosthetic valve apparatus (10), in particular for cardiac applications. The apparatus (10) comprises a valve prosthesis (20) fastened to a suture ring (30). The apparatus (10) further provides for the valve prosthesis (20) to be fastened to the suture ring (30) by means of a plurality of magnets (21d, 30b) which provide a magnetic attraction between the two components.

The invention provides a one-stage type triggering mechanism of a cutting anastomat. The one-stage type triggering mechanism of the cutting anastomat comprises an elastic control subassembly, a pushing subassembly, a resetting subassembly and an attaching and releasing subassembly, wherein one end of the elastic control subassembly is fixed; the other end of the elastic control subassembly is connected to the pushing subassembly; the pushing subassembly is connected with an actuating subassembly which actuates cutting actions and the resetting subassembly and resets through the resetting subassembly; and the attaching and releasing subassembly is attached to the pushing subassembly or released from the pushing subassembly. After the pushing subassembly moves towards the elastic control subassembly to compress the elastic control subassembly, the pushing subassembly is attached to the attaching and releasing subassembly; and when the pushing subassembly is released from the attaching and releasing subassembly, the elastic control subassembly pops up the pushing subassembly. The cutting anastomat and the one-stage type triggering mechanism thereof are simple in structure and high in reliability; potential energy is stored through the elastic control subassembly and is released at one step to push the actuating subassembly to perform cutting actions; and cutting can be finished by triggering once, a surgery process is simplified, and surgical risks are reduced.

The invention discloses an auxiliary device used in PFNA (proximal femoral nail anti-rotation) internal fixation surgery and relates to the technical field of minimally invasive orthopaedic surgery instruments so as to solve the problems that an existing implantation instrument can not position the PFNA entry point easily, and a screw blade can not be accurately implanted into the neck of femur at a time.The auxiliary device used in PFNA internal fixation surgery comprises a positioning and guiding base plate and a guide pin positioning and guiding mechanism connected with the positioning and guiding base plate through a positioning rod assembly.The positioning and guiding base plate is arranged above the hip joint and corresponds to a PFNA to be implanted into the femur in position in the vertical direction, and the positioning and guiding base plate can be used for preliminarily determining the implantation position, depth and diameter of the PFNA.The guide pin positioning and guiding mechanism can be used for further accurately determining the implantation position and depth of the PFNA and a screw blade.The positioning rod assembly can be used for adjusting the implantation direction of the screw blade.The auxiliary device is mainly applied to closed reduction PFNA internal fixation treatment of femoral intertrochanteric fractures.

The invention relates to a sutureless amniotic membrane fixing device applied in ocular surface amniotic membrane covering surgery, in particular to an ocular surface amniotic membrane coverer. The fixing device is in the shape of a fish mouth and is provided with an opening on the outer side, the general profile of the fish mouth is streamline according to forms of an ocular surface and a conjunctival sac, the opening is positioned at an outer canthus, and the fixing device has good supporting performance, can guarantee an amniotic membrane after being clamped by the device to be closely adhered on the ocular surface, and is high in adhesiveness. When the sutureless amniotic membrane fixing device is in use, the amniotic membrane reverses from the bottom of the fixing device to wrap the device, and is fixed in a groove on the surface of the device by means of shackling, and the bottom of the fixing device is completely wrapped in the amniotic membrane, so that friction damage to the ocular surface is reduced, and foreign body sensation is small. After the amniotic membrane is fixed in the device, an operator holds and gently squeeze an upper arm and a lower arm of the fish mouth to enable upper and lower diameters of the fish mouth to be reduced, simultaneously uses another hand to prop open upper and lower eyelids of a patient, disposes the upper arm and the lower arm of the device into upper and lower fornices and releases the arms, so that the device is positioned on the ocular surface after being propped open, thereby being less prone to shedding. The opening of the fixing device is positioned on a temporal side, so that effusion below the amniotic membrane is avoided, and the fixing device is least prone to shedding. By the sutureless amniotic membrane fixing device, the process of the amniotic membrane covering surgery can be simplified, and damage to the ocular surface due to surgical suturing can be avoided; the sutureless amniotic membrane fixing device can be reused, and the surgical process is greatly simplified.