170 results about "Postoperative recovery" patented technology

The invention discloses an anorectal postoperative rehabilitation intelligent supervision method and system based on multiple modes, and belongs to the technical field of intelligent supervision. A temperature, humidity, air quality and other multi-mode sensor group is arranged in each anorectal postoperative rehabilitation management inpatient area, the body temperature, heart rate and wound surface images of a patient are synchronously collected, and the wound surface area and seepage color are extracted through image processing; the method comprises the following steps: by taking a time node as a unit, adding a time label to an environment and patient basic data set, constructing a multi-modal comprehensive data set in a unified format, calculating an environment comprehensive index and a physiological comprehensive index, fusing the environment comprehensive index and the physiological comprehensive index to calculate a postoperative rehabilitation risk value, setting a threshold interval to generate low, medium and high three-level risk labels, and the patient risk label set is pushed to the doctor end in real time, a dynamic supervision system is constructed, the anomaly recognition rate and the clinical response speed are improved, the complication occurrence rate is reduced, the rehabilitation period is shortened, and reliable data support is provided for nursing quality improvement and evidence-based medical research.

The invention relates to the technical field of intelligent medical treatment, in particular to a urinary surgery postoperative risk layering intelligent nursing management system which comprises the steps of preprocessing dynamic sign flow data of a patient to obtain regular sign time sequence data; and separating a core vital sign track, a wound exudation quantitative sequence and an autonomous perception discomfort record through modal analysis. The feature calculation module compares the vital sign trajectory with a standard recovery trajectory library to generate a sign bias spectrum, analyzes the exudation sequence to obtain a wound humidity distribution vector, and calculates a time attenuation factor of the pain event according to the discomfort record. And the space construction and layering module combines the features to construct a multi-dimensional risk base space, and identifies boundary coordinates of high-risk, medium-risk and low-risk risk clusters through clustering. And the strategy generation module divides risk levels and allocates corresponding monitoring and intervention measures according to the risk levels. According to the system, dynamic and multi-dimensional quantitative evaluation of the postoperative recovery state and objective automatic layering of risks are achieved.

The invention relates to an AI image navigation method, device and equipment for prostatic hyperplasia minimally invasive surgery and a medium thereof. The method comprises the following steps: acquiring a prostate three-dimensional image and an intraoperative real-time image sequence, and fusing the three-dimensional image after preliminary filtering to obtain an optimized and enhanced image; based on the enhanced image and the preoperative three-dimensional image, a three-dimensional offset vector is obtained through a multi-modal registration algorithm combined with an anatomical structure reference, and optimized prostate three-dimensional attitude data is generated in combination with anatomical constraints; combining the attitude data and the three-dimensional image, determining boundary area distribution characteristics, calculating a risk assessment value, mapping a risk level, and generating a path correction instruction to obtain an instrument navigation path if the risk level exceeds a threshold value; and based on the navigation path, constructing a clinical recovery model in combination with the anatomical structure, generating postoperative recovery index simulation data, and performing adjustment and verification until preset requirements are met to obtain a final operation execution scheme. According to the method, precision and individuation of surgical navigation are achieved, and comprehensive technical support is provided for precise implementation of minimally invasive surgery.

The invention discloses a thoracic surgery postoperative drainage monitoring data processing method and a thoracic surgery postoperative drainage monitoring data processing system. The method comprises the following steps: synchronously acquiring thoracic respiration dynamic characteristics of a patient and fluid dynamic characteristics of a thoracic closed drainage system through a data acquisition module; the central processing server establishes a time sequence mapping relationship between the two, performs feature fusion analysis, and calculates to obtain a thoracic cavity-pipeline coupling efficiency index; performing logic judgment on the postoperative recovery state of the patient on the basis of the index, and identifying a chest-pipeline fluid transmission state including breathing work limitation, drainage channel blockage and pleural cavity air leakage; and dynamically generating a grading equipment response strategy including adjusting training intensity and triggering pipeline maintenance early warning or analgesia intervention according to an identification result. According to the method, accurate recognition and closed-loop management of postoperative complications are achieved by quantitatively evaluating the linkage relation between respiration driving and drainage response.

The invention provides a method and a system for predicting early gastric cancer prognosis by a circulating marker, and relates to the technical field of auxiliary diagnosis. The method comprises the following steps: performing multi-omics detection on a blood sample based on a preset sampling time sequence to obtain a multi-dimensional time sequence characteristic data set containing three groups of heterogeneous data of circulating tumor DNA, exosomes and protein markers; calculating a change slope and a fluctuation variance of the heterogeneous data in adjacent time sequence intervals, constructing a dynamic variation feature matrix in combination with a standard attenuation weighting factor, and deeply mining spatial cross-correlation and sequence dependence features of the matrix to generate a multi-modal fusion feature fingerprint; and performing regression operation on the feature fingerprints by using an integrated learning stack model to obtain a dynamic prognosis risk score, and further retrieving a risk hierarchical mapping table to generate a prognosis evaluation result containing a survival curve. According to the method, multi-modal heterogeneous data can be effectively fused, the biological dynamic characteristics in the tumor postoperative recovery phase are captured, and the accuracy and timeliness of early gastric cancer prognosis prediction are remarkably improved.

The invention discloses a digital management system for the health state of a patient after an anorectal operation, and relates to the technical field of digital management of the health state after the operation. Comprising a data acquisition and processing module which is used for calling an anorectal postoperative clinical path rule engine based on real-time symptom data input by a patient and the number of postoperative days, and dynamically generating and pushing a corresponding structured interactive data acquisition sequence; and the feature extraction module is used for carrying out real-time feature extraction on a postoperative recovery related image provided by a patient through a preset image analysis model at a patient terminal side so as to generate a multi-modal structured data set containing time sequence physiological indexes and image feature vectors. According to the method, clinical priori knowledge is fused through the multi-modal neural network, a compound and atypical early complication mode is deeply recognized from time sequence physiological indexes and image features, the early discovery rate of complication is increased, and the false alarm rate caused by conventional recovery variation is reduced through explainable risk contribution factor output.

The invention discloses an electric turbine anaesthesia machine with an automatic air supply function of an air storage bag and a method, and the anaesthesia machine comprises a turbine which is used as an active inspiration air source; a detachable air storage bag; an air supply one-way valve; the breathing circuit is connected between the turbine outlet and the patient end and comprises an inspiration branch provided with a flow diaphragm, an expiration branch provided with an expiration EV valve and an expiration flow diaphragm, and a patient breathing circuit tank assembly containing the air storage bag and the soda lime tank; a plurality of sensors; the control unit is electrically connected with and controls the turbine and the expiration EV valve, receives signals of the sensor and is used for achieving different breathing ventilation modes. According to the anesthesia machine and method, turbine driving is adopted, the tidal volume adjusting range is wide, and physical limitation of a folding bag is avoided; the air storage bag is externally arranged and replaceable, so that cleaning and maintenance are facilitated; a one-way valve automatic gas supply mechanism ensures continuous and stable gas supply; the device supports various breathing modes, and is suitable for various scenes such as anesthesia maintenance, postoperative awakening, oxygen therapy and the like.

The application relates to a blood vessel anastomosis device, which comprises a first support and a connecting piece. The first support is provided with a first opening penetrating the inner and outer walls of the first support, and the first opening is used for being opposite to a first fistula position on a first blood vessel. The connecting piece comprises a pipe part and a first clamping part connected to one end of the pipe part. The connecting piece is provided with a blood flow channel penetrating the pipe part and the first clamping part along the axial direction of the pipe part. The pipe part is arranged in the first opening, and the first clamping part is arranged on the inner wall side of the first support and matched with the inner wall of the first support, so as to seal and clamp the blood vessel wall around the first fistula on the first blood vessel. The blood vessel anastomosis device saves the operation time, improves the operation efficiency, and improves the operation safety and postoperative recovery effect.

The utility model provides a surgical interventional operation instrument, which relates to the field of medical instruments, and comprises an interventional component, a sheathing canal, a handle, a flexible joint linkage assembly and a locking assembly, and the flexible joint linkage assembly comprises a control joint assembly, an execution joint assembly and at least two control lines; the execution joint assembly is connected between the far end of the sheathing canal and the near end of the intervention component; the locking assembly comprises an inner ball body and an outer ball sleeve which is movably sleeved outside the inner ball body so as to be in spherical hinge connection with the inner ball body, and the inner ball body is fixedly connected with the handle; under the action of external force, the outer ball sleeve can abut against and lock the inner ball body, so that the inner ball body and the outer ball sleeve jointly lock and control the motion posture of the joint assembly. The utility model can at least alleviate the technical problems in the prior art that the straight sheathing canal of a surgical interventional operating instrument (such as an electrosurgical operating instrument) is inconvenient for an operator to operate, complicated in operation and long in operation time, the trauma of a patient during the operation is large, and the postoperative recovery of the patient is not facilitated.

The utility model provides a kind of for the hemostatic pad of pressing tongue base mucosa, belong to medical instrument technical field, comprising: hemostatic pad main body, with patient sublingual is conformed to;Compression component, convex is formed on hemostatic pad main body, and compression component corresponds to the tongue mucosa area of patient sublingual tongue taking;Fixed component, set up in the both sides of hemostatic pad main body, fixed component can be operatively fixed tongue from the both sides of patient tongue.It is beneficial to effect: through with patient sublingual is conformed to hemostatic pad main body and the compression component that convex is formed on it, can aim at the tongue mucosa area of patient sublingual taking, so that it better conforms to sublingual physiological camber, enhance patient comfort, can better carry out compression to bleeding site, improve compression hemostatic effect, reduce the possibility of secondary infection, be favorable to the postoperative recovery of patient.

The magnetic suspension bracket used after hip replacement comprises an upper structural component, a lower supporting structural component and a supporting body, and the supporting body is placed on the upper structural component. The upper structural component, the supporting body and the lower structural component are combined to form a physical distance, so that the abduction degree of the affected leg is kept, and dislocation of the hip joint caused by adduction of the affected leg is avoided. Magnetic materials are placed on the upper structural component and the lower structural component respectively, the upper structural component and the lower structural component are installed oppositely through homopolar magnetism, suspension force is generated through repulsion of the homopolar magnetism, the two structural components freely rotate in the magnetic suspension state, and the lower limbs of a patient can be placed in a relatively free and relaxed body position when the patient sleeps or has a rest in the side-lying position. The lower structural component is of a hollow structure, and when a user lies on the side, the legs do not bear the gravity of the upper affected legs to affect blood circulation. The magnetic suspension principle is ingeniously utilized, the degree of freedom of movement of the two legs and the sleeping habit of a patient are met to the maximum degree while it is guaranteed that the affected leg keeps a certain abduction degree, experience is improved, and postoperative recovery is facilitated.

The invention discloses an application of a DHA-RXR-PPAR signal channel in promotion of postoperative recovery of hysteromyoma after HIFU (high intensity focused ultrasound). Clinical sample metabolic spectrum analysis and in-vitro cell function experiments are combined, and research proves that the differential metabolite DHA drives macrophage metabolism reprogramming through an RXR-PPAR signal axis, so that the macrophage is promoted to be transformed into an anti-inflammatory and phagocytosis-promoting repair phenotype, the absorption and repair process of the HIFU postoperative hysteromyoma is accelerated, and the treatment effect of the HIFU postoperative hysteromyoma is improved. A new intervention target spot (RXR-PPAR gamma axis) and a new potential medicine are provided for HIFU (high intensity focused ultrasound) postoperative rehabilitation.

The present application relates to the technical field of prosthesis lattice design, in particular to a kind of orthopedic implant lattice design method, system and application, by establishing parameterized lattice model sample set, and the polynomial regression model of elastic modulus and permeability coefficient is combined with the bayesian optimization framework with comprehensive score objective function as optimization goal, so that it can be iteratively optimized in parameter range efficiently, finally output optimal design parameter to make the mechanical property and mass transfer performance reach the best balance, fundamentally solve the problem that existing PEEK lattice implant design lacks double performance collaborative optimization, further improve lattice prosthesis postoperative recovery effect.

The utility model discloses a minimally invasive incision protection device for cardiothoracic surgery, which belongs to the technical field of cardiothoracic surgery postoperative recovery, and comprises a silica gel ring which is pasted on the surface of skin and is used for fixing drug delivery cotton, and a protection shell which forms a closed space with the surface of the skin to protect an incision is arranged at the top of the silica gel ring. An air cavity communicated with the closed space is formed in the top of the protective shell; cooling liquid is arranged in the cooling cavity, the cooling cavity is arranged in a circumferential array, a cooling pipe is arranged in the cooling cavity, an air inlet and an air outlet of the cooling pipe are communicated with the air cavity and the closed space respectively, and the air outlet of the cooling pipe is located at the bottom of the closed space and faces the medicine feeding cotton. By means of the protective shell, the cooling pipe, the air cavity and the cooling cavity, ventilation and heat dissipation can be conducted on an incision, skin surface ulceration caused by non-ventilation at the incision is effectively avoided, and meanwhile bacteria in the external environment can be effectively prevented from infecting a wound in an internal circulation ventilation mode.

1. The name of the design product: breast postoperative bandage (enhanced). 2. The use of the design product: for breast postoperative recovery. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: use state figure 1. 5. The design product is a thin product, and other views are omitted. 6. The dress model in the design picture is a prop and does not belong to the protected design content.

The invention discloses a precise drilling positioner for orthopedic clinical surgery, which comprises two groups of arc-shaped supporting parts, moving sleeves are movably arranged on the outer surfaces of the arc-shaped supporting parts, a drilling support is arranged between the two groups of moving sleeves, arc-shaped grooves are formed in the two sides of the arc-shaped supporting parts, and a plurality of lock holes are formed in the arc-shaped grooves; four locking mechanisms which work synchronously are arranged on the drilling support, and the drilling support is moved to drive the four locking mechanisms to move in the arc-shaped grooves; and one locking mechanism is rotated to be locked in the arc-shaped groove so as to lock the drilling support. The drilling position can be flexibly adjusted through the arc-shaped supporting part, the movable sleeve and other structures, different drilling requirements are met, stable positioning during drilling is guaranteed through a double-locking structure, vibration deviation is avoided, the drilling machine linearly moves through guiding of the movable pipe, precision is guaranteed, stable drilling in the radial direction of a skeleton can be guaranteed through the overall design, and the drilling efficiency is improved. The operation effect and the postoperative recovery quality of a patient are improved.

This invention relates to the field of medical testing equipment, specifically to a pulsatile tinnitus detection device. The device includes a wearable body worn on the user's head, with symmetrically arranged sensing mechanisms on the wearable body for contacting specific areas of the user's skull to collect physiological signals. The wearable body also includes an intervention mechanism for simulating different hemodynamic states; the intervention mechanism includes an actuator and a compression head, the actuator driving the compression head to perform controllable compression and release. A control unit is also included, communicatively connected to the sensing and intervention mechanisms. The control unit controls the actions of the intervention mechanism, receives and analyzes the physiological signals collected by the sensing mechanisms, and correlates changes in physiological signals with the timing of compression and release actions to generate assessment information for determining the cause of pulsatile tinnitus, intraoperative effects, or postoperative recovery. This invention is used to objectively assess vascular recovery status, providing standardized and comparable assessment indicators for diagnosis and treatment.

The utility model discloses a traction patch for crissum surgery. The traction patch comprises traction assemblies which are in bilateral symmetry. The sticking piece is composed of a release paper layer, a sticking layer made of acrylic ester sticking materials, a polyurethane middle layer, a soft rubber reinforcing layer and a nylon outer coating layer, and the sticking layer can be torn and replaced. The outer covering layer is provided with three traction belts made of flat elastic bands, the upper traction belt and the lower traction belt are tightened and fastened on the fixing rod for standby traction, the middle traction belt is connected with an air bag, the air bag is connected with a pedal type air pump through an air pipe and used for inflation traction and capable of accurately adjusting force, and notches are formed in all the layers so that drainage can be facilitated. The traction patch can accurately and stably draw crissum tissue, enables the operation view to be completely exposed, is controllable in exposure range, reduces operation interference and tissue damage, has a reliable standby traction mode, can reduce cost, guarantees sanitation and safety, effectively improves the quality and safety of crissum operation, and promotes postoperative recovery of a patient.

The present application belongs to the technical field of medical operation auxiliary, and particularly relates to a precise tension control method and system for aortic repair operation. By acquiring the edge information and repair displacement of the repair area, the present application can not only evaluate the feasibility of the repair operation, but also obtain multiple executable repair plans through simulation calculation, so that the doctor can pre-plan the best repair scheme before the operation is implemented, greatly improving the success rate and safety of the operation. At the same time, the tension parameters in the repair process can be monitored in real time during the operation, ensuring that the repair process is carried out within a safe range, preventing the repair area from being stretched or compressed excessively, avoiding surgical risks, and through precise control of tension and optimization of repair plans, the operation time is shortened, the operation efficiency is improved, and the postoperative recovery time and complication risk of the patient are reduced.

The utility model discloses a compression hemostasis device after femoral artery puncture operation, which comprises a binding belt, a hemostasis piece and a shading piece, the upper side of the binding belt is adjustably connected with the hemostasis piece, and the shading piece is arranged on the upper side of the hemostasis piece. The defects that in the prior art, after a femoral artery puncture operation, a femoral artery puncture point hemostasis device is poor in hemostasis effect, the hemostasis strength is not convenient to adjust, and postoperative recovery of a patient is affected are overcome. The pressurizing hemostasis device after the femoral artery puncture operation can be stably fixed to the puncture point position of a patient, a cold compress piece can be arranged in the hemostasis piece, and the hemostasis effect is improved. Furthermore, through the supporting effect of the air bag, the hemostasis pressure is adjusted, and the comfort level of the patient is improved on the premise that the hemostasis effect is achieved. Through the arrangement of the covering part, the puncture point and the private part of the patient are covered, the privacy effect of the patient is improved, and the defect that in the prior art, a covering part such as a bed sheet is directly used for covering a wound, and secondary strain is likely to happen to the patient is overcome.

The invention discloses a novel clinical uterine curettage device for gynaecology and obstetrics, and relates to the technical field of uterine curettage devices, the novel clinical uterine curettage device for gynaecology and obstetrics comprises a handle, a length adjusting mechanism, an angle adjusting mechanism and a rotating mechanism are arranged on the inner side of the handle, a movable cylinder is arranged on the inner surface of the length adjusting mechanism, and a deformation mechanism is arranged at one end of the movable cylinder. According to the novel clinical uterine curettage device for the obstetrics and gynecology department, by arranging the deformation mechanism, the opening amplitude and shape of the deformable curettage ring can be precisely adjusted, the deformable curettage ring is made to adapt to the sizes and shape differences of uterine cavities of different patients, compared with a fixed arc-shaped structure, friction and extrusion generated when the curettage assembly enters the uterine cavity are reduced, the operation entering difficulty is lowered, and the pain feeling of the patients is reduced; the problems that most scraping assemblies of an existing clinically-used uterine curettage device are of a fixed-shape arc-shaped structure, the entering difficulty is increased, the operation time is prolonged, high pain can be brought to a patient, even complications such as uterine cavity mucosa injury can be possibly caused, and postoperative recovery of the patient is affected are solved.

1. Name of the product in this design: Electromagnetic wave infrared therapy instrument. 2. Application of this design: It is an electromagnetic infrared therapy instrument suitable for medical institutions or families for the treatment of patient pain, postoperative recovery, and daily physical health care and rehabilitation. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

This invention provides an internal fixation device for cancellous bone, belonging to the field of medical device technology. It includes a fixation plate with a plurality of screw holes and positioning holes arranged in a linear array on its top outer wall; and a guide assembly connected to the fixation plate, used to guide the hollow self-drilling screws. By incorporating the guide assembly, this invention not only guides the hollow self-drilling screws, preventing them from deviating from their pre-operatively assessed position during insertion, thus affecting their fixation effect on the fracture site, but also holds the screws during the guiding process, preventing the screw head from tilting and protruding, which could cause skin irritation and affect postoperative recovery.

The invention discloses an implant with a honeycomb-shaped micro-nano topological structure on the surface and a preparation method and application thereof, and the implant with the honeycomb-shaped micro-nano topological structure on the surface is a honeycomb-shaped micro-nano topological structure layer prepared on the surface of a titanium substrate through a template method. According to the invention, a unique hydrogenated titanium dioxide honeycomb-shaped surface micro-nano topological structure is designed on the surface of the titanium-based implant through a template method and plasma hydrotreating on the basis of not introducing an antibacterial substance coating and complex chemical components; the special surface treatment not only has excellent 800-815nm near-infrared light response photocatalytic performance and can generate a large number of reactive oxygen species to quickly eliminate bacterial infection, but also can regulate polarization of macrophages due to the unique surface morphology, effectively inhibit inflammatory response and regulate and control bone immune microenvironment to promote osteogenesis, and has a good application prospect. And therefore, more than two invasive operations are not required to be carried out on the patient, and the postoperative healing effect is better.

This invention discloses a method, system, and computer-readable storage medium for detecting post-microneedling transdermal drug delivery skin recovery after cosmetic procedures, relating to the field of skin condition assessment technology after microneedling cosmetic procedures. The detection method sequentially performs primary macroscopic screening, secondary state mechanism analysis, and tertiary precise risk localization, simultaneously collecting multimodal skin data and fusing and analyzing it through an AI model. Based on the highest positive level, it outputs low / medium / high risk conclusions and corresponding cosmetic care plans. The detection system includes primary, secondary, and tertiary detection modules and a control and decision-making module, with each module working collaboratively to achieve comprehensive detection and process control. The computer-readable storage medium stores the corresponding computer program capable of implementing the above detection method. This invention solves the problems of subjectivity, simplification, and low efficiency in existing detection methods, improves detection sensitivity and specificity, clarifies the mechanism of post-operative pigmentation abnormalities, provides a basis for individualized cosmetic care, and facilitates its promotion in cosmetic settings.

1. Name of the product in this design: Postoperative Ophthalmic Recovery Pillow. 2. Purpose of this design: For use as an adjunct to postoperative rehabilitation therapy in ophthalmology. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The application relates to the technical field of kidney stone operation management, and discloses a multi-dimensional management system based on clinical data of kidney stone operation. A preoperative data integration module of the system receives and integrates image data from CT, ultrasound, X-ray and other devices, and generates a three-dimensional stone distribution model through spatial registration. A surgical risk assessment module extracts parameters such as stone volume, density and position based on the model, combines physiological indicators and historical operation data of the patient, and calculates a surgical difficulty coefficient and a complication probability. An intraoperative real-time monitoring module collects endoscope video, laser parameter and flushing liquid pressure data, and updates the stone crushing state and residual volume in real time. A tissue damage early warning module analyzes the laser energy distribution and the tissue contact time, assesses the thermal damage risk and generates a safe operation boundary. A postoperative recovery prediction module integrates the operation data and the metabolic characteristics of the patient, and predicts the stone clearance rate and the recovery progress of the kidney function.

The utility model discloses a postoperative recovery physiotherapy belt which comprises a physiotherapy belt body, installation assemblies are oppositely arranged on the left side and the right side of the physiotherapy belt body respectively, binding belts are installed on the sides, away from each other, of the two installation assemblies respectively, the physiotherapy belt body is provided with a skin-friendly layer, and through the arrangement of the skin-friendly layer, a magnetic strip and an ice bag, the physiotherapy belt body can be used for rehabilitation. During use, the skin-friendly layer can be opened, so that the ice bag is added into the skin-friendly layer, then the skin-friendly layer is fixed through the magnetic strip, a postoperative patient may suffer from pain and swelling, the ice bag can assist in relieving the symptoms in a cold compress mode, cold compress can shrink blood vessels and reduce blood flowing to an injured area, and therefore the swelling and pain feeling is relieved; although the ice compress temporarily contracts blood vessels, the ice compress can subsequently help to improve blood circulation, and by reducing initial inflammatory response, the ice compress is helpful to improve local blood circulation for a long time and accelerate the recovery process.

The utility model discloses a breast protection and rehabilitation device for a breast cancer patient, and relates to the technical field of medical devices. The bra comprises a bra body, wherein a protective cover is fixedly connected to one side of the bra body; a protection assembly is arranged in the protection cover and comprises a spring, the spring is fixedly connected to the inner wall of the protection cover, and one end of the spring is fixedly connected with a fixing cover. Through the arrangement of the protective cover, breasts can be better supported, the risks of breast sagging and deformation after operation are effectively reduced, uniform pressure distribution can be provided, the burden of breast tissues is relieved, postoperative recovery is promoted, and the comfort of a patient is improved; the supporting strength can be automatically adjusted according to changes of breast shapes and patient activities, it is ensured that the best supporting effect can be provided under different conditions, and therefore the comfort and stability are further improved, and the patient is helped to go through the rehabilitation period better.

The utility model discloses a combined nail for an edentulous jaw implantation guide plate, which comprises a retention nail and a positioning nail, and the retention nail is detachably connected to the top of the positioning nail; the positioning nail comprises a nail head and a positioning rod, the positioning rod is connected with one end of the nail head, and a connecting groove used for being connected with the retention nail is formed in the end, away from the positioning rod, of the nail head. The nail head comprises a hexagonal part and a conical part, the hexagonal part is connected with the positioning rod, and the connecting groove is formed in the end, away from the hexagonal part, of the conical part. The combined nail disclosed by the technology is applied to the technical field of edentulous jaw implantation, the registration, positioning and fixing effects on an implantation guide plate are good, by using the combined nail, the implantation precision can be improved, the operation stability can be improved, the hole preparation precision and the hole preparation quality can be improved, and the practicability is high. More rational conditions are provided for postoperative recovery and combination of the dental implant and the alveolar bone, and the success rate of an edentulous jaw implantation operation is increased.