27results about How to "Shorten surgery time" patented technology

The invention discloses a glue injection device for treating varicosity, and relates to the technical field of medical instruments for treating varicosity, the glue injection device comprises a handle shell and a piston type glue injection mechanism, the piston type glue injection mechanism is arranged in the handle shell, the glue injection device further comprises a gear shifting mechanism and an elastic locking mechanism, the gear shifting mechanism is used for driving the piston type glue injection mechanism to inject glue; and the elastic locking mechanism is used for locking the piston type glue injection mechanism. The main gear, the transmission gear and the rack are matched and integrated on the handle shell, an operator can conveniently hold the handle shell with one hand for single-hand operation, the main gear is shifted through hand movement, the glue injection speed is conveniently controlled, the rack drives the piston body in the glue containing piston barrel to move, and therefore glue injection is completed; and the other hand of the operator can conveniently carry out other related operations, so that the operation convenience and the operation efficiency are improved.

An inner conveying catheter is movably arranged in an inner cavity of an outer conveying catheter in a penetrating mode, the inner conveying catheter comprises a first main body catheter section and a first bending adjusting catheter section in the axial direction of the inner conveying catheter, the far end of the first main body catheter section is connected with the near end of the first bending adjusting catheter section, and the first bending adjusting catheter section has the bendable function; the inner control silk thread is connected with the first bending adjusting pipe section and used for controlling the first bending adjusting pipe section to be bent actively, and the pushing inner core rod piece is movably arranged in an inner cavity of the inner conveying guide pipe in a penetrating mode. Therefore, the artificial valve ring has good regulation and delivery performance, the multi-angle space regulation performance of the artificial valve ring effectively improves the success rate of a mitral valve replacement operation, the mitral valve replacement operation can be carried out in various ways such as femoral artery, atrial septum (femoral vein) and cardiac apex, the release paths of the artificial valve ring are diversified, and the artificial valve ring has good application prospects. The operation range is greatly widened, the operation method is simple and easy to learn, and the learning curve and the operation duration of an operator can be effectively shortened.

The present application provides a kind of puncture needle positioning guide device, including four translation modules;Under the action of the former stage translation module, the latter stage translation module can move along corresponding direction;First support rod assembly is assembled on the third translation module, and the first support rod assembly includes first support rod and the first connecting assembly that is detachably connected with the first support rod, when being in the connection state, the first connecting assembly can rotate relative to the first support rod;Second support rod assembly is assembled on the fourth translation module, and the second support rod assembly includes second support rod and the second connecting assembly that is detachably connected with the second support rod, when being in the connection state, the second connecting assembly can rotate relative to the second support rod;Positioning guide assembly is detachably assembled at the first and second connecting assemblies, for positioning and guiding puncture needle, and the positioning guide assembly includes steel ball used in cooperation with navigation system.The above-mentioned device can be used in cooperation with navigation system to realize accurate positioning and guiding of puncture needle.

The utility model provides a dredging assembly and medical equipment, and the dredging assembly comprises a retraction catheter which is provided with a through operation channel; the guiding assembly can be arranged in the operation channel in a penetrating mode, and the guiding assembly is provided with a through guiding channel; the balloon catheter assembly can be arranged in the guide channel in a penetrating manner; the locking assembly is arranged on the guiding assembly and used for locking or unlocking when the guiding assembly slides in the axial direction of the balloon catheter assembly. When the locking assembly is in the locking state, the relative positions of the guiding assembly and the balloon catheter assembly are fixed. When the locking assembly is in the unlocking state, the guiding assembly can slide in the axial direction of the balloon catheter assembly, the relative position of the guiding assembly and the balloon catheter assembly is changed, and the retracting catheter is driven to stretch forwards or retreat. The balloon catheter assembly conducts transverse flexible minimally invasive retraction on the brain tissue, iatrogenic trauma is reduced, an operation channel is created, and damage such as hot burning, cutting and contusion-out cannot be caused.

This invention provides an automated screw placement system and an orthopedic surgical robot, comprising: a Kirschner wire, including a wire body and a needle tip, the wire body and the needle tip being fixedly connected, the needle tip including a needle point located at the end of the needle tip; a pedicle screw, including a screw body and a milling assembly; and a power platform, including a wire placement module and a screw placement module. The wire placement module is used to place the Kirschner wire into the patient's spine, and the screw placement module is used to place the pedicle screw into the pedicle of the patient's spine. Through the collaborative design of the wire placement module and the screw placement module, the Kirschner wire positioning and screw implantation process are integrated into the same robotic arm operating platform. With the command control of the robot system, the operation time is significantly shortened, the surgical risk is further reduced, and the entire process from Kirschner wire placement to pedicle screw placement is automated.

The invention discloses a pulmonary nodule real-time positioning method and a pulmonary nodule real-time positioning device based on artificial intelligence multi-modal image fusion technology applied to a sub-pulmonary lobe resection operation, which are applied to the technical field of data processing, a three-dimensional collapsed lung model is generated by acquiring a lung medical image and a three-dimensional model in combination with operation parameters, and features of the three-dimensional collapsed lung model are automatically identified. Endoscope dynamic images are collected in real time in an operation, and the three-dimensional collapse lung model is finely adjusted after image features are extracted, so that the three-dimensional collapse lung model is accurately matched with an actual lung tissue form in the operation. By means of the artificial intelligence multi-mode image fusion technology, the endoscope image and the three-dimensional model are deeply fused, and the lung three-dimensional structure and the accurate pulmonary nodule position under the endoscope view field are presented in real time. By integrating artificial intelligence, computer vision, a collapse algorithm and a multi-modal image fusion technology, a doctor is assisted to clearly identify lung tissue and nodule positions in an operation, the accuracy of the operation is effectively improved, the operation time is shortened, and the operation is safely completed with high quality.

The present invention belongs to the technical field of ablation catheters, and specifically relates to a pulse ablation catheter, which includes a handle assembly, a catheter assembly, and a pulse electrode assembly; the handle assembly includes a first adjustment wheel, an anti-slip handle, and a second adjustment wheel arranged in sequence from one end to the other end, and the first adjustment wheel is rotatably connected to one end of the anti-slip handle. The present invention enables the device to adjust the length and diameter of the flexible circuit board according to the shape of the target tissue by rotating the first adjustment wheel and the second adjustment wheel, so that the ablation electric field can better adapt to the target tissue, avoiding problems such as inability to completely ablate the entire area and insufficient ablation area. At the same time, through the cooperation of the first pointer and the first variable mark, the second pointer and the second variable mark, and the mark surface and the third variable mark, the operator can quickly and accurately obtain the diameter change and length change of the flexible circuit board driven by the second adjustment wheel.

The application provides a blood vessel center line data application method, an electronic device and a storage medium, and the application method comprises the following steps: adopting a preset algorithm to explore center points on a blood vessel center line of a blood vessel region in a medical image, so as to extract the corresponding blood vessel center line; setting an index serial number for each center point on the blood vessel center line according to a first preset rule; determining two target center points on the blood vessel center line according to position information of two rough selection points on the medical image; determining all center points on a center line segment of interest on the blood vessel center line according to the index serial numbers corresponding to the two target center points; and acquiring a blood vessel parameter and / or simulating stent unfolding information of a blood vessel stent according to related data of the center points on the center line segment of interest. The application can help doctors to quantitatively analyze the health status of patients, reduce the risk in operation, shorten the operation time and reduce the physical burden of patients.

This invention relates to the field of interbody fusion device technology, specifically a 3D-printed porous interbody fusion device, comprising a fusion device body, a first filling hole penetrating through the middle of the fusion device body, and a plurality of internal reinforcing ribs evenly distributed circumferentially on the inner wall of the first filling hole. Based on the biomimetic mechanical design concept of the biomedical engineering industry, this interbody fusion device can break through the limitations of traditional fixed-width fusion devices, and can accurately match the anatomical width of the intervertebral space of different patients without the need for manual cutting and modification during surgery. It can fully adapt to the individualized needs of various heights, weights and disease segments, and fundamentally avoid the risks of endplate damage, infection and anchoring structure damage caused by cutting. After implantation, the self-locking component can achieve immediate rigid locking, completely blocking the reverse rebound path of the adjustment block. Combined with the multi-occlusal tooth structure, it forms a stable mechanical anchor, eliminating postoperative micromovement, displacement and slippage problems, and greatly improving the overall stability of the fusion device in the early stage of implantation.

The utility model provides an adjuvant therapy device for eliminating eosinophilic otitis media, which comprises a major component and an auxiliary component, the major component comprises a main control handle, a power pump, a main operating rod and a main working probe, and a function switching knob is rotatably mounted on the rear side of the upper end of the main control handle. Compared with the prior art, the otitis media treatment device has the following advantages that due to the arrangement of the main treatment assembly and the auxiliary assembly, in actual use, when a doctor removes otitis media of an acidophilic otitis media patient, the otitis media treatment device can be used for treating otitis media of the acidophilic otitis media patient, and therefore the otitis media treatment device can be used for treating otitis media of the acidophilic otitis media patient. The double hands of a doctor can carry out operation work simultaneously, namely, medicine injection after left hand puncture and right hand suction of effusion in the tympanic chamber, so that the tedious operation that the left hand holds an otoscope or an otoendoscope and the right hand sequentially carries out medicine injection and medicine suction in a traditional operation is changed, repeated dilution and extraction are not needed, the operation duration is greatly shortened, and the discomfort of a patient is reduced.

The invention relates to an anti-fogging self-cleaning laparoscope which is characterized in that a transparent glass sheet is fixedly arranged at the outer end of an objective lens at the far end of the laparoscope, and a closed carbon dioxide gas groove is formed in a gap between the transparent glass sheet and the objective lens; an air inlet pipeline is fixed along the inner wall of an outer tube of the laparoscope, a corresponding air inlet hole is formed in the near end of the air inlet pipeline, and the far end of the air inlet pipeline penetrates through the objective lens and extends into the carbon dioxide gas groove; a gas outlet pipeline is fixed along the inner wall of the outer tube of the laparoscope, the far end of the gas outlet pipeline extends into the carbon dioxide gas groove, and the near end of the gas outlet pipeline exhausts gas through a gas exhaust hole; and the air inlet is externally connected with a carbon dioxide air source. The laparoscope solves the technical problems that an existing laparoscope is prone to causing fogging of an objective lens and infection of tissue fluid in a minimally invasive abdominal surgery, consequently, the surgical field is blurred, and surgical operation needs to be interrupted due to the fact that a real-time processing function does not exist.

The invention discloses a biopsy device, which relates to the technical field of medical instruments and comprises a biopsy needle, a driving handle, an energy source, a fluid component and a controller, the energy source is in circuit communication with at least one of the outer needle tube, the cutting tube and the puncture needle tip of the biopsy needle, so that at least one of the outer needle tube, the cutting tube and the puncture needle tip forms an electrode acting on target tissue; the controller can respond to mode selection operation of a user to control working modes of the biopsy device to be switched, and the working modes of the biopsy device comprise a sampling mode, a first ablation mode and a second ablation mode. According to the technical scheme, the problem that an existing biopsy device cannot change the acting range on tissue is solved.

The utility model belongs to the technical field of medical equipment, and particularly relates to an ultrasonic scalpel head and a surgical scalpel. The knife body (10) is columnar; the cutting part (20) is arranged at one end of the knife body (10), and a plurality of spikes (21) which are spirally distributed are arranged on the surface of the cutting part (20); and the suction channel (11) penetrates through the knife body (10) and the cutting part (20) along the length direction of the knife body (10). According to the ultrasonic scalpel head, the spines (21) on the surface of the cutting part (20) vibrate in a high-frequency and small-amplitude mode, so that soft tissue can be broken and cut more quickly, and the operation duration is shortened; and the suction channel (11) is used for collecting and discharging the cut or broken tissues, so that the aim of removing the diseased tissues is fulfilled.

The utility model relates to the technical field of medical instruments, and discloses a precise positioning orthopedic drilling guider which comprises a fixing plate, the rear surface of the fixing plate is fixedly connected with an attaching plate, the upper surface of the fixing plate is provided with a rotating groove, and the inner wall of the rotating groove is fixedly connected with a rotating shaft. The angle of the limiting sleeve can be rapidly adjusted by arranging the adjusting assembly, during drilling, the accuracy of the drilling angle can be improved by limiting the drill bit through the limiting sleeve, a large amount of time is saved compared with the cumbersome process that a doctor manually uses tools such as a protractor to repeatedly compare and adjust the angle in a traditional operation, and the operation efficiency is improved. A doctor can complete preparation work before drilling more quickly, the operation process is more compact and efficient, especially when a plurality of drilling requirements or complex orthopedic operations are processed, the operation duration can be remarkably shortened, and the anesthesia time of a patient and the risks of operation infection and the like are reduced.

The invention discloses a construction method and application of a cutting state classification model during human bone cutting by a medical bone swing saw. The construction method comprises the following steps: S1, preparing an artificial cancellous bone as an experimental material; s2, classifying the cutting states; the three states are respectively a cutting preparation state, a pre-cutting state, a real-time cutting state, a critical state and a penetrating state; the acceleration signal characteristics of all the states are defined respectively, and the cutting process is determined according to vibration and frequency changes; s3, the sampling frequency of the acceleration signals is set to be 4000 Hz, every 64 ms is a sampling frame, and 15-dimensional features are obtained through feature extraction; the features include one-dimensional frequency domain features, five-dimensional wavelet features and nine-dimensional time domain features; s4, according to the fifteen-dimensional features obtained through feature extraction, the acceleration signals in the cutting process are manually divided into the five cutting states defined in the step S2, and the starting point and the ending point of each state are marked according to different feature changes; s5, establishing a classification model; a support vector machine SVM classification model is used, and a polynomial kernel function is adopted.

A spine internal fixing device with a fusion function comprises a pedicle screw, the pedicle screw comprises a screw body, a screw tail is arranged at the upper end of the screw body, a nut is connected to the screw tail through internal threads, the screw body and the screw tail are of a honeycomb structure simulating cancellous bone, and solid external threads are arranged on the outer surface of the screw body. According to the spinal internal fixation device with the fusion function, a full-assembly simulation cancellous bone honeycomb structure of a pedicle screw rod nut and a matched connecting piece is prepared by adopting a 3D printing technology, and meanwhile, solid structures of key stress parts such as an external thread tip threaded connection surface are reserved so as to guarantee early mechanical fixation strength; after the components are assembled, a continuous bone ingrowth channel is formed, so that the transformation of internal fixation of the spine from temporary mechanical support to permanent osseous fusion is realized, and various intervertebral, intervertebral, posterior lateral and transverse process bone grafting fusion steps in a traditional spine fusion operation can be omitted.

The embodiment of the present specification discloses a device driving control method, a surgical robot and a storage medium. The device driving control method comprises: determining a first calcification removal path according to a preoperative medical image of a target site; obtaining first position data of the device when the device moves in the target site; driving the device to reach a calcification area according to the first position data along the first calcification removal path; and driving the device to remove calcification in the calcification area after reaching the calcification area. The embodiment of the present specification can drive and control the device, thereby reducing the operation time and reducing the operation risk.

The invention discloses a guide-in method of an extended catheter, which comprises the following steps: S1, placing a catheter body in the circumferential direction of an interventional catheter, and enabling a first guide-in part and / or a second guide-in part to abut against the outer circumferential surface of the interventional catheter; s2, applying an acting force towards the direction of the interventional catheter to the catheter body, so that the first guide-in part and the second guide-in part are separated to form an opening through which the interventional catheter can penetrate; the intervention catheter enters the second inner cavity from the opening, and the first guide-in part abuts against the second guide-in part to close the opening; and S3, acting force in the axial direction of the pipe body is applied to the pipe body, so that the pipe body extends into the first inner cavity. The extension catheter can be arranged on the periphery of the interventional catheter in a sleeving mode from the opening in the peripheral side, then the extension catheter is pushed to the guiding catheter in the axial direction of the interventional catheter, the operation duration is shortened, and the operation risk is reduced.

The application provides an adjustable ureteral sheath, which comprises a supporting piece, a Y-shaped main body, a rotating mechanism, a guide sheath tube and an expansion mechanism; the Y-shaped main body comprises a first connecting port and a second connecting port, and the second connecting port is used for connecting a vacuum device; the expansion mechanism comprises an expander seat and an expander tube body, the expander seat is arranged on the first connecting port, and the supporting piece wraps the expander seat; the guide sheath tube wraps the expander tube body; the rotating mechanism comprises a rotating handle, a cam ring and a steel wire, the rotating handle is arranged on the cam ring, one end of the steel wire is arranged on the cam ring, the other end of the steel wire is arranged on the guide sheath tube, and the cam ring is arranged on the supporting piece. Through the rotating mechanism, the ureteral sheath can be adjusted and positioned, a stable channel is established, and an endoscope or a surgical instrument can conveniently enter and exit a lesion position.

The working cannula for the single-port laparoscope comprises a cannula body and further comprises a fixing plate, and the cannula body is movably sleeved with the fixing plate; the number of the shifting sliding seats is two, and the two shifting sliding seats are arranged on the two sides of the fixing plate correspondingly; according to the working cannula for the single-port laparoscope, the working cannula for the single-port laparoscope is different from the prior art, so that when a medical worker punctures a patient, the two shifting sliding seats can be driven by the unfolding and folding assembly to synchronously shift towards the two sides; the fixing plate can be placed at the puncture position of a human body by utilizing the positioning assembly; the angle between the cannula body and the fixing plate can be adjusted and controlled through the measuring assembly, then normal use of the cannula body is guaranteed, the workload of a doctor and the operation duration are reduced, meanwhile, discomfort of a patient is reduced, and the accuracy of the puncture process is guaranteed.

The present application provides a registration method and device for X-ray images, including: acquiring an X-ray image, the X-ray image being obtained by an image acquisition device photographing a lesion; using the X-ray image to obtain a first positional relationship, the first positional relationship being the positional relationship between the image acquisition device and a locator, the locator being fixed around the lesion; fitting the X-ray image with a plurality of pre-generated digitally reconstructed radiographic images; using the first positional relationship to obtain a second positional relationship, the second positional relationship being the positional relationship between the image acquisition device and the lesion in the fitted digitally reconstructed radiographic image. By fitting the positional relationship between the lesion and the image acquisition device reflected in the X-ray image to the digitally reconstructed radiographic image, it is no longer necessary to manually pair the points on the wound surface and the digitally reconstructed radiographic image one by one to establish a positional relationship, thereby achieving the effect of reducing the duration of the operation and the size of the wound surface.

The invention discloses a capsular bag tension ring assembly which comprises a capsular bag tension ring, a suture line and a suture needle, one end of the suture line is connected with the capsular bag tension ring, and the other end of the suture line is connected with the tail of the suture needle. The invention further discloses a using method of the capsular bag tension ring assembly, and the using method comprises the following steps that S1, the capsular bag tension ring is stored in a releaser needle tube, and the suture line and the suture needle are located outside the needle tube; s2, one end of a suture is fixed to the capsular bag tension ring, then the suture and the capsular bag tension ring are implanted into the lens capsular bag together, and the suture is adjusted to be located in the center of the dislocation capsular bag; and S3, inserting a needle from the main incision, penetrating through the anterior chamber and passing through the rear part of the iris, withdrawing the needle from the edge of the keratosclera, fixing the capsular bag tension ring by using a suture technology after withdrawing the needle, and keeping the lens capsular bag, the capsular bag tension ring and a suture in the center and constant, so that the artificial lens is safely implanted and the dislocation condition is corrected. The invention is mainly used for maintaining the stability of the lens capsular bag in the moderate and severe lens imperfect dislocation operation.

The invention relates to the technical field of medical instruments, in particular to a bone focus removing and bone grafting surgical robot which comprises a mounting frame and a sliding adjusting assembly slidably arranged on the upper portion of the mounting frame. Wherein the interior of the mounting frame body is provided with a cavity, the upper part of the mounting frame body is provided with a moving groove, the moving groove is communicated with the cavity, one side of the mounting frame body is fixedly provided with a moving motor, and an output shaft of the moving motor is arranged in the cavity along the axial direction of the mounting frame body; the sliding adjusting assembly comprises a rotating base arranged in the moving groove in a sliding mode, a supporting arm rotationally arranged on the upper portion of the rotating base, and a first lifting device rotationally arranged on one side of the upper portion of the supporting arm. According to the method, frequent interruption caused by visual field cleaning, repositioning and the like in a traditional operation is not needed, the operation duration is greatly shortened, and a better, more efficient and safer solution is provided for a bone focus removing and bone grafting operation on the whole.

The utility model discloses a spine segment and vertebral pedicle body surface positioning device which comprises a frame, the frame is provided with a grid, the grid is composed of a plurality of transverse developing lines and longitudinal developing lines, developing marks are arranged in the grid, a measurer is installed at the right-angle position of the frame, and the measurer is connected with the frame. The measuring rod of the measurer rotates around the measurer; according to the utility model, accurate positioning can be realized for spinal surgeries such as percutaneous thoracolumbar plasty, thoracolumbar internal fixation and percutaneous foramen intervertebrale endoscope, the accuracy of spinal surgery lesion excision and the safety of screw rod and fusion cage placement can be improved, the surgery time is shortened, the cost of a patient is reduced, the X-ray fluoroscopy frequency and the radiation quantity of the patient and medical personnel are reduced, and the working efficiency is improved. And safety is improved for spine operation planning, cone forming, lesion excision, nail rod installation and fusion cage arrangement.

The utility model discloses a balloon catheter which comprises a catheter body and a plurality of functional balloons, the functional balloons are installed on the catheter body, a plurality of pressurizing cavities used for pressurizing the functional balloons are arranged in the catheter body, each pressurizing cavity correspondingly pressurizes one functional balloon, each pressurizing cavity is provided with a corresponding balloon liquid inlet portion, and the balloon liquid inlet portion is provided with a balloon liquid outlet portion. And the balloon liquid inlet part penetrates through the outer wall of the tube body so as to communicate the pressurizing cavity channel corresponding to the balloon liquid inlet part with the interior of the functional balloon. According to the multifunctional balloon catheter, liquid filled into the pressurizing cavity can enter the functional balloons to expand the functional balloons so that the corresponding function of repairing lesion blood vessels can be achieved, different repairing functions can be achieved through the different functional balloons, and therefore the functions of multiple balloon catheters are integrated on one balloon catheter, and the balloon catheter is convenient to use. The situation that different balloons need to enter and exit from the coronary artery of a patient repeatedly when the balloons are used alternately is avoided, the use amount of instruments in an operation is reduced, the operation duration is shortened, the operation efficiency is improved, and the operation risk and the medical burden are reduced.

The present invention discloses a real-time corneal damage prevention warning system and method for an ocular plastic surgery robot, wherein the warning system comprises: a corneal deformation monitoring unit, a corneal biomechanics analysis unit, an ocular plastic surgery robot, a robot control unit, an ultrasonic thickness measurement unit, and an ultrasonic data analysis unit. The present invention can clearly feedback the robot and the actual eyelid position and posture, accurately identify and feedback the force of the puncture needle passing through different tissues, and through the simulation preset of corneal biomechanics, the surgical robot has standardized force feedback when puncturing different tissues, thereby ensuring safety when cutting different tissues.

This application provides a hemostatic electrode, including an electrode assembly, a rod assembly, a holder, and an electrical connector. The electrode assembly includes a first conductive wire and a second conductive wire; the rod assembly includes an electrode rod and an electrode head located at the end of the electrode rod; the holder is connected to the end of the electrode rod away from the electrode head; and the electrical connector is used to connect to an energy device. The hemostatic electrode also includes a mating assembly, which includes a first connecting seat and a first connecting pipe connected thereto. The delivery pipe includes a first liquid cavity, one end of which is open at the electrode head, and the other end is connected to the first connecting pipe. By setting the mating assembly on the holder and fitting the delivery pipe with the mating assembly in the receiving cavity inside the holder, communication can be created between the inside and outside of the delivery pipe, facilitating the operation of aspirating or injecting liquid. Furthermore, by placing the liquid delivery channel and the conductive wire inside the delivery pipe, the space of the electrode rod can be fully utilized, optimizing the device size.