100 results about "Implant surgery" patented technology

The application provides a valve support and an artificial valve with the same, and belongs to the technical field of heart valves. The valve support comprises a support body, a positioning ring and an elastic connecting wire. The positioning ring is arranged in a compressed state and is adapted to be sequentially and serially arranged along an axis with the support body. When the positioning ring is elastically deformed from the compressed state to an expanded state, the positioning ring can be coaxially sleeved on the support body through the traction of the elastic connecting wire. After the valve support is implanted, the positioning ring can be self-expanded to the expanded state through elastic deformation and can be coaxially sleeved on the support body according to the traction of the elastic connecting wire. Therefore, the positioning ring and the support body can be simultaneously positioned during the implantation operation. Due to the traction of the connecting wire, the support body can be self-positioned according to the positioning ring, thereby saving the separate positioning operation of the positioning ring and the support body and making the operation more convenient.

Disclosed herein is a “condensing screw for an implant procedure.” A “condensing screw for an implant procedure” of the present invention is provided with: a screw main body which is inserted into an implant planting hole formed by an pilot drilling process, enlarges the implant planting hole to a size large enough to insert an implant fixture, and forms osseodensification regions on the side surfaces and the inside of the implant planting hole; and a shank which extends upward from the screw main body, is coupled to a driving unit, and transmits the torque of the driving unit to the screw main body. The condensing screw can enlarge the implant planting hole and perform the osseodensification process simultaneously, and can be used for maxillary sinus augmentation.

Systems and methods for providing assistance to a surgeon during an implant surgery are disclosed. A method includes defining areas of interest in diagnostic data of a patient and defining a screw bone type based on the surgeon's input. Post defining the areas of interest, salient points are determined for the areas of interest. Successively, an XZ angle, an XY angle, and a position entry point for a screw are determined based on the salient points of the areas of interest. Successively, a maximum screw diameter and a length of the screw are determined based on the salient points. Thereafter, the screw is identified and suggested to the surgeon for usage during the implant surgery.

Systems and methods for providing assistance to a surgeon during an implant surgery are disclosed. A method includes defining areas of interest in diagnostic data of a patient and defining a screw bone type based on the surgeon's input. Post defining the areas of interest, salient points are determined for the areas of interest. Successively, an XZ angle, an XY angle, and a position entry point for a screw are determined based on the salient points of the areas of interest. Successively, a maximum screw diameter and a length of the screw are determined based on the salient points. Thereafter, the screw is identified and suggested to the surgeon for usage during the implant surgery.

The utility model provides a sheet-shaped electrode and an implantation device, the sheet-shaped electrode comprises an electrode slice, the surface of the electrode slice is provided with an electrode contact, the electrode slice has flexibility, and the electrode slice can be curled and contracted into a cylindrical shape matched with a pushing catheter, or the electrode slice can be unfolded into a sheet shape outside the pushing catheter; and the electrode wire is connected to one end of the electrode plate, the electrode wire is electrically connected with the electrode contact, the electrode wire can be arranged in the pushing catheter or the withdrawing catheter in a penetrating manner, and the electrode wire is used for dragging the electrode plate, so that the electrode plate and the withdrawing catheter are matched with each other and are curled and contracted in the withdrawing catheter. Surgical operations such as laminectomy or laminotomy are not needed in the implanting operation process, the invasive property is small, trauma and operation risks are reduced, and the sheet-shaped electrode plates are not prone to displacement. In addition, the electrode plate can be withdrawn from the body along with the withdrawing catheter, and withdrawing and recycling of the electrode plate are achieved.

A bone foundation guide system has a bone foundation guide including a body that is contoured to reversibly affix to a bone segment of a dental implant surgical site, the body being further contoured accept and to guide the cutting of a portion of the bone segment from a dental implant surgical site and as well as to alternatively support a dental implant surgical guide; the dental implant surgical guide; and a bone foundation guide prosthesis as an alternative to the dental implant surgical guide. The bone foundation guide prosthesis combines with the body to accommodate the bone segment portion as placed through the body prior to the bone segment portion being removed from the dental implant site through the use of the body.

The invention relates to an isolator for tumor radiotherapy protection, the isolator comprises an absorbable polymer and an X-ray impermeable substance, and the X-ray impermeable substance is introduced into the isolator through physical blending with the absorbable polymer. Aiming at the technical problems of short isolation period, poor self-developing effect under CT, tedious manufacturing process, poor flexibility and the like of the absorbable PGA isolator in the prior art, the isolator provided by the invention can be self-developed under CT, the problem of inaccurate positioning of the existing PGA isolator is solved, the isolator is integrally manufactured by adopting a spinning process, and the production cost is reduced. The flexibility of the isolator is improved so as to be matched with an endoscopic implantation operation, and the manufacturing technological process is simplified. In addition, through function decoupling in the time dimension, the effective isolation period of the isolator is longer than 3 months, the degradation period is shorter than 12 months, and the characteristic enables the isolator to provide reliable protection in the key treatment period.

The utility model provides a split type kirschner wire and a kit for an orthopedic surgery robot, and belongs to the technical field of kirschner wires, the split type kirschner wire comprises a front kirschner wire body used for puncturing bones and a rear kirschner wire body used for being connected with an end effector of the orthopedic surgery robot, the front kirschner wire body is detachably connected with the rear kirschner wire body. Compared with Kirschner wire bending operation in the prior art, after the split type Kirschner wire is driven into the human body, the front Kirschner wire body with the proper length can be obtained more conveniently and safely, the problem of positioning displacement or loss caused by excessive pulling of the Kirschner wire is solved, and the Kirschner wire is more convenient to use. After the front kirschner wire body is detached and separated, due to the fact that the connecting end of the front kirschner wire body is smooth and clean, follow-up balloon dilatation kyphoplasty or pedicle screw implanting operation is facilitated, operation risks are reduced, and related operation operations can be carried out more safely, more reliably and more conveniently.

An insertion device for an ocular implant for regulating intraocular pressure includes a cannula having an internal space for receiving at least a portion of an ocular implant having a stent and an implant opening for inserting the ocular implant; a handle configured to be connected to the cannula and held by a surgeon; and a holder configured to be coupled to the handle and including a receiving portion configured to receive the stent of the ocular implant. The ocular implant insertion device appropriately fixes the stent inserted into the tube of the ocular implant in a manner attached to the insertion device, thereby preventing problems such as the stent coming out of the tube, the implant being separated from the insertion device by the stent, or the stent obscuring the surgeon's field of vision during implant implantation surgery.

The present invention provides a flexible electrode automatic implantation surgical system, belonging to the field of electrode implantation surgical systems, comprising an implantation robot, a flexible electrode fixing platform, an optoelectronic navigator, a first positioning marker, a second positioning marker, a third positioning marker, a cranial support plate, and an optical platform; the implantation robot can be moved to the side of the optical platform, and the flexible electrode fixing platform is fixed on the optical platform; a first positioning marker is arranged on the cranial support plate, a second positioning marker is arranged on the implantation head at the end of the implantation robot, and a third positioning marker is arranged on the flexible electrode fixing platform, for unifying the position and posture information of the implantation robot, the flexible electrode fixing platform, and the cranial support plate into the optoelectronic navigator coordinate system; the optoelectronic navigator automatically adjusts the flexible electrode and cranial support plate to the working area of ​​the implantation robot. The present invention does not require human intervention and effectively improves the efficiency of implantation surgery.

The present invention discloses an orthodontic anchorage pin implantation navigation system and method based on mixed reality technology, which relates to the field of orthodontic surgical navigation technology, including collecting patient orthodontic anchorage pin implantation surgical data, and performing spatial registration based on a deep learning feature matching algorithm to generate a patient-specific three-dimensional anatomical model; generating anchorage pin implantation point coordinates and an angle planning scheme based on the patient-specific three-dimensional anatomical model, and synchronously setting a safety boundary threshold to adjust the implantation point and angle parameters; loading the patient-specific three-dimensional anatomical model and the final planned implantation point coordinates into customized MR glasses, and using an occlusion elimination algorithm to superimpose virtual navigation markers on a real surgical field to generate a three-dimensional postoperative simulation report. The present invention achieves high precision and high reliability of the implantation anatomical basis, can effectively improve the controllability and safety of surgical operations, and improve the accuracy, efficiency and treatment effect of orthodontic anchorage pin implantation.

The invention discloses a pressing push type built-in pigment marking pen, belongs to the technical field of medical marking tools, and is suitable for accurate cornea marking before ophthalmology astigmatism intraocular lens implantation operation. The pen comprises a pen cap, a pen holder, a storage tube, a locking plate assembly, a reset spring, a fine needle, a pen point and an annular sealing ring. The pen cap can axially move along the pen holder, an axial guide rib and a conical extrusion surface are arranged on the inner wall of the pen holder, the material storage tube is sealed and filled with biocompatible pigment, the locking plate assembly comprises three elastic clamping pieces, and the reset spring is pre-compressed and sleeved outside the fine needle. The pen cap is pressed to push the fine needle to overcome spring force to move, the locking plate assembly is opened under the action of the extrusion face to allow the fine needle to extend out, the clamping piece resets and locks the fine needle after loosening, and a slightly-sharp structure at the front end of the fine needle pierces the cornea tear film and adheres pigment to complete marking. The marking pen is accurate and stable in marking and convenient to operate, pollution is completely eradicated through the sealing design and the disposable property, and medical safety is guaranteed.

The invention discloses a preparation method of a nano copper selenide antibacterial peptide-loaded multistage microporous titanium alloy. The preparation method comprises the following steps: 1, preparing a substrate; 2, surface modification; and 3, carrying out functionalization treatment to obtain the multistage microporous titanium alloy loaded with the nano copper selenide antibacterial peptide. The invention further provides the multistage microporous titanium alloy loaded with the nano copper selenide antibacterial peptide. The load design and photo-thermal synergistic mechanism of the nano copper selenide antibacterial peptide-loaded multistage microporous titanium alloy can effectively inhibit bacterial breeding and greatly reduce the infection risk of implantation operations, and on the aspect of promoting osseointegration, the multi-scale structure and ion slow release design can accelerate bone tissue growth and material fusion and reduce long-term complications, so that the titanium alloy can be used as a medical material for treating osteoporosis. The bone repair microenvironment is optimized, a new thought, good stability and safety are developed for complex disease treatment, long-term stable effect in vivo is guaranteed, strict standards are met, a solid foundation is laid for large-scale clinical application, and the bone implantation medical field is expected to be innovated.

A surgical robotic system for executing a bone implant surgical plan—includes a surgical robot. The surgical robot includes a first robotic arm for manipulating a surgical tool during a surgical procedure at a surgical site. A control unit of the surgical robotic system includes a processor programmed to direct the surgical robot to position the surgical tool. The processor program includes instructions for executing an act of defining the location of the surgical tool with respect to the surgical site. The processor program also includes instructions for executing further acts of moving the surgical tool to a bone located within the surgical site, the location of which being predefined within the surgical plan, and of marking the bone with the surgical tool, the marking corresponding to the position of a bone implant to be implanted in the bone according to the surgical plan.

The utility model relates to the technical field of tooth implantation, in particular to an artificial ceramic implant for a premolar, which comprises an implant root implanted into a gum and an abutment connected with a dental crown, the implant root part comprises a smooth column head part, a threaded part and an implant neck part which are sequentially adjacent to one another from bottom to top; wherein the bottom end of the smooth column head is hemispherical; the upper surface of the neck part of the implant neck part is quadrilateral, the lower surface of the neck part is circular, and the side wall of the neck part is arc-shaped; and the base station is arranged on the upper surface of the neck part. The structure is implanted in a knock-in mode, the implanting operation time is short, the operation difficulty is low, postoperative recovery is fast, and the problems of intraoperative bleeding and postoperative swelling can be solved.

The utility model provides a position adjusting instrument for an intraocular lens implantation operation of a lens eye, and relates to the field of ophthalmology medical instruments, the position adjusting instrument comprises a handle and a position adjusting hook acting piece; the position adjusting hook acting piece comprises a straight rod connected to the front end of the handle, a transition rod connected to the front end of the straight rod and a position adjusting rod connected to the front end of the transition rod. A first included angle alpha is formed between the transition rod and the straight rod; a position adjusting part is arranged at the front end of the position adjusting rod, and a second included angle beta is formed between the position adjusting rod and the transition part. According to the position adjusting instrument, through the unique structural design, the operation performance in a crystalline lens implantation operation is remarkably improved; wherein the position adjusting hook acting piece is composed of a straight rod, a transition rod and a position adjusting rod, and the operation position adjusting difficulty is effectively reduced through the specific angle design.

The application discloses a biological implant robot machining posture planning and error compensation method based on a global stiffness model, belongs to the technical field of biological manufacturing and surgical robot auxiliary machining, and comprises the following steps: a biomechanical stiffness atlas covering the whole posture space of the implant is constructed by sparse modal sampling combined with an inverse distance weighting algorithm. The application effectively solves the problem that the cell responses are inconsistent due to the machining quality differences of different regions of the complex curved surface implant through the global surface biological activity consistency, and significantly improves the long-term success rate of implant surgery. The application is easy to deploy on the existing medical robot through hardware pollution. Through micron-level functional molding, the micron-level biological texture depth is accurately controlled, and the manufacturing level of the personalized implant is improved from simple geometric shape customization to a new height of surface biological function customization.

The application provides a kind of composite multi-section structure medical catheter in technical field, including composite layer and bending wire, and bending wire is set through and out of composite layer.Composite layer includes inner tube layer and outer tube layer, and outer tube layer is set to wrap inner tube layer.Inner tube layer one end is connected to pull ring, and bending wire is set through and out of inner tube layer, and one end of bending wire is connected to pull ring, and the other end of bending wire is set out of one end of inner tube layer.Spring is set in outer tube layer, and spring is oppositely set outside inner tube layer.The application sets outer tube layer to wrap inner tube layer, and inner tube layer adopts three-section snake bone tube structure, which can reach different bending degree according to specific use requirement in different bending sections, such as head section, middle section and tail section, so as to guarantee the requirement of bending degree of each part of catheter in implantation operation, so that bending section can reach specific requirement bending degree.

The invention belongs to the technical field of flap retraction, and particularly relates to a flap retraction device for artificial cochlea electrode implantation surgery, which comprises a top plate, electric telescopic rods are fixedly connected to the two sides of the bottom wall, movable boxes are symmetrically and slidably connected to the bottom wall of the top plate, and guide rods are slidably connected to the bottom walls of the movable boxes in a linear array; the guide rod is hollow, the hollow part of the guide rod is communicated with the hollow part of the moving box, and the bottom end of the guide rod is coaxially and fixedly communicated with a connecting seat; the bottom wall of the suction cup is completely attached to the skin of a patient, the problem that local skin is bruised due to untight attachment in traditional rigid traction is avoided, the suction cup automatically adsorbs the skin and retracts the skin, when the skin is stretched to the limit, transverse traction is stopped, longitudinal lifting is conducted, and through linkage of a touch switch and a touch switch, the skin can be automatically pulled out. Excessive skin stretching caused by traditional traction is avoided, transverse and longitudinal two-dimensional traction is achieved, and a deep operation area is fully exposed.

The application discloses a kind of implant planning methods, comprising: collecting the relevant position parameters of implant implant position;Implant surgery robot with bone surface follow-up technology calculates the implant path according to the relevant position parameters;If there is no flap phenomenon, implant surgery robot executes the implant path completed by the completion of the planned completion, and completes implantation work;If there is a flap phenomenon, pause the implantation work of implant surgery robot, the problem that the flap situation encountered in the implant surgery process needs to be re-planned implant method is converted into the mathematical problem of coordinate transformation, and then the problem that implant surgery cannot be implemented according to the path planned in advance due to the phenomenon that flap is prone to appear in implant surgery process is solved by matrix transformation.

This utility model discloses a positionable dental implant healing abutment and a matching screwdriver. The positionable dental implant healing abutment includes an abutment body and a rubber column. An installation hole is formed at the center of the upper end face of the abutment body, and a connecting groove is formed below the installation hole, communicating with the installation hole. The rubber column includes a connecting section and a protruding section, with the connecting section installed within the connecting groove. The rubber column is connected to the abutment body via the connecting groove, preventing it from becoming loose. During the first-stage implant surgery, the rubber column can be trimmed according to the gingival height to make it flush with the gingiva, thus preventing impact on the integration of the implant and alveolar bone due to occlusal collision during implant healing. By setting the rubber column on the abutment body, it can be used to position the implant during the second-stage implant surgery, greatly reducing clinical operation time and avoiding incorrect incisions, as well as reducing the chance of bleeding and infection.

The utility model relates to the technical field of bone fetchers, in particular to a bone fetcher for tooth implantation, which comprises a connecting rod, a clamping groove and a stop guide component, the clamping groove is arranged on the inner side of the connecting rod, the stop guide component is fixedly connected with the tail end of the lower side of the connecting rod and comprises a stop plate, and a clamping hole is arranged on the inner side of the stop plate. The guide limiting assembly comprises a clamping pin, a limiting clamping ring is fixedly connected to the tail end of the lower side of the clamping pin, a rubber ring is arranged on the inner side of the limiting clamping ring, a fixing rod is fixedly connected to the outer side of the lower end of the limiting clamping ring, and a guide limiting ring is fixedly connected to the tail end of the lower side of the fixing rod. According to the bone meal collecting and storing device, the device can adapt to work at different angles, the phenomenon of deviation and inclination of the stopping ring is avoided, the bone meal collecting and storing effect and the rotating performance of a drill bit are guaranteed, and therefore the efficiency and safety of a dental implant operation are improved.

The utility model relates to the field of oral implantation, in particular to a mouth gag special for an implantation operation, which comprises a main support, an auxiliary support is rotatably connected to one side of the main support, a baffle is fixedly connected to one end of each of the main support and the auxiliary support, and a handle A is rotatably connected to one end, far away from the baffle, of the main support. The end, away from the baffle, of the auxiliary support is rotationally connected with a handle B. According to the mouth gag special for the implantation operation, the limiting plate is separated from the limiting frame, the sliding block is completely moved into the sliding groove in the main support, and at the moment, the angle between the main support and the auxiliary support is limited through meshing of the short rack and the long rack; then the handle A and the handle B are rotated through resilience force of the torsional spring, the handle A and the handle B are rotated, and the handle A and the handle B are attached to the face of the patient, so that the problem that the main support and the auxiliary support are too long and transversely arranged on one side of the mouth of the patient, and the follow-up implanting operation is prone to being affected can be solved.

The disclosure provides compositions and methods for directing the growth of blood vessels in a tissue graft. The compositions and methods provide the advantage of directing the growth, size and pattern of blood vessels from the periphery of the graft, which recapitulates or improves the native blood vessel orientation in the host tissue. The compositions comprise a tissue graft that comprises a matrix attached to a barrier. The barrier comprises a porous membrane that permits passage of water and nutrients but blocks blood vessel growth. The methods comprise implanting the tissue graft on a host tissue in a subject and incubating the graft on the host tissue such that blood vessels grow around the edges (periphery) of the barrier or through intentional internal openings in the barrier and into the matrix. The methods can further comprise transplanting the vascularized tissue graft to a second location in the subject. Thus, the methods can be used in a staged implant procedure to create autologous, vascularized bioengineered tissue grafts.

An exemplary system comprises a memory that stores instructions and a processor communicatively coupled to the memory and configured to execute the instructions to perform a process. The process may comprise accessing an individual three-dimensional (“3D”) cochlea model of a cochlea of a recipient of a cochlear implant system that includes a stimulating lead inserted into the cochlea during a lead insertion procedure, generating, based on the individual 3D cochlea model and procedure data associated with one or more lead insertion procedures performed with respect to one or more other recipients, an individualized drug delivery profile for the recipient, and transmitting a command to the cochlear implant system to cause release of a drug from the stimulating lead in accordance with the individualized drug delivery profile.

Disclosed is a method for displaying a nerve canal and an implant surgical plan establishment apparatus therefor. The present invention provides a nerve canal visual information map in which, during detection of a nerve canal area in a patient's CT data, when there are areas where the nerve canal area fails to be detected, a virtual nerve canal area is generated, and identified and represented as visual information such that a user can check the virtual nerve canal area. Accordingly, during establishment of an implant placement plan, risk factors can be easily identified, and the position of an implant can be determined in consideration of the risk factors.

The application discloses an oral orthodontic anchorage nail implantation operation patient's physical and mental state monitoring system and method, relates to the oral orthodontic treatment technical field, and comprises a patient physiological signal information acquisition unit, which is used for collecting patient physiological signal information and transmitting the patient physiological signal information to a processing and analysis unit for processing and analysis; the processing and analysis unit is used for processing and analyzing the collected patient physiological signal information, determining the patient's physical and mental state according to the patient physiological signal information, and triggering an early warning mode; and a mobile terminal platform is used for displaying the early warning mode output by the processing and analysis unit to doctors and patients and recommending a treatment mode according to the early warning mode. The application can record, analyze and feedback the patient's physical physiological information and changes before, during and after operation in a whole cycle, help doctors and nursing staff understand the real-time health condition change trend of the patient, provide guidance and support for clinical operation, help the patient better accept and adapt to the anchorage nail treatment, and improve the patient's acceptance and satisfaction.

The instant disclosure is directed to implantable electrospun structures for the delivery of active agents. An electrospun structure may comprise a first sheet and a second sheet. The first sheet and the second sheet may each comprise two supporting layers and an inner layer positioned between the two supporting layers, wherein a perimeter of one supporting layer is affixed to a perimeter of the other supporting layer, encasing the inner layer. The supporting layers may comprise a co-electrospun polymer fiber composition, and each inner layer may comprise an active agent blend-electrospun with a polymer fiber composition. All but one edge of the first sheet may be affixed to all but one edge of the second sheet, forming the electrospun structure, which may be a pouch. A method of using the pouch may comprise implanting it in a surgical site and, optionally, placing a medical device in the pouch.

The utility model discloses a tooth loss implantation model, and relates to the technical field of dental models, the tooth loss implantation model comprises a simulation jaw body, a plurality of simulation teeth are fixedly arranged at the positions corresponding to the teeth, and a loss groove is formed in the tooth loss position; the simulated gingiva is adhered to the simulated jaw body and is arranged at the missing groove in an avoiding manner; the simulated prosthesis is stuffed into the missing groove, a gingival layer is adhered to the top of the simulated prosthesis, and the gingival layer and the simulated gingival are made of the same material. The method has the effect of reducing the practice cost of the implant surgery for tooth loss.

The utility model belongs to the technical field of medical instruments, and particularly relates to a dental drill for implant surgery, which comprises a drill handle and a drill body arranged at one end of the drill handle, the drill body is provided with a plurality of blades axially and spirally distributed, and the blades converge on the end face far away from the drill handle to form an invasion cutting portion with taper. The cutting edges form a chambering part extending spirally on the cambered surface of the drill body, and end chip grooves with the number smaller than that of the cutting edges are formed in the cutting part. The axial end of the drill body is provided with the cutting blade with taper, the inclined groove for cuttings to invade is formed in the hole opening of the pre-formed small hole, so that the dental drill can smoothly drill into the pre-formed small hole, the blade is prevented from being clamped in the small hole, the cutting part is provided with the end chip grooves with the number unequal to that of the blade, and the blade back with the axial compression area unequal to that of the blade is arranged, so that the tooth drill can smoothly drill into the pre-formed small hole. The blades on the invasion cutting part are subjected to different axial pressures, and single blade concentrated stress is formed by using the pressure difference, so that the invasion efficiency is improved.