359 results about "Surgical knife" patented technology

The invention relates to the field of intelligent control, and particularly discloses a shadowless lamp control method based on behavior recognition and prediction, which comprises the following steps: S1, establishing a three-dimensional rectangular coordinate system by taking an initial mounting position of a shadowless lamp as an original point, and determining coordinates as follows by adopting image data acquired by at least two groups of directional image acquisition equipment with different visual angles; s2, capturing the real-time position of the scalpel in real time through an image acquisition device, outputting coordinates, acquiring data of a plurality of continuous durations to form a historical trajectory data set, calling an operation scene template library preset with a plurality of types of typical operation trajectory features by the control terminal for the acquisition times, matching a trajectory feature template corresponding to the current operation type, and outputting the historical trajectory data set; performing feature alignment processing on the data and the input data by a fusion module to obtain adaptive trajectory data; according to the technical scheme, pre-judgment can be carried out in advance, the scene adaptability is high, and sterile fine adjustment is facilitated.

The utility model relates to a cervical conization knife, and belongs to the field of gynecological operation instruments. Comprising a knife handle and a detachable blade. And the front end 2 of the knife handle tilts and forms an angle with the longitudinal axis of the handheld end 1 of the knife handle. According to different angles between the longitudinal axis of the front end 2 of the scalpel handle and the longitudinal axis of the handheld end 1 of the scalpel handle, the scalpel is divided into three models of A, B and C which are respectively at angles of 27 degrees, 31 degrees and 37 degrees. The cross section of the blade body is arc-shaped, the radian is consistent with that of the cervix uteri, the arc length is 1 / 8 of the circumference of the cervix uteri, namely 1cm, the two sides of the blade are both blade faces 3, the front ends of the blade faces 3 converge to enable the blade tip 4 to be an arc-shaped triangle, the rear end 5 of the blade is a parallel blunt face, and the longitudinal axis of the blade is provided with scales 6. Compared with a traditional cold knife, the novel cervical cold knife can be applied to gynecology cervical cold knife conization, surgical operation is facilitated, a cut cone can be regular, cervical injury is reduced, and the shape and the function of the cervix are reserved to the maximum extent.

The present application is directed a Joint Revision Surgery Apparatus which includes a surgical knife blade guide block which has a plurality of rearward blade guide slots, a central cavity and a large forward slot having an adjustable knife blade guide pressure plate. The surgical knife blade guide block central cavity houses a stem trunnion securing member and is positioned over the trunnion end of the existing prosthesis to be removed and secured to the prothesis. The guide blade block is secured to the trunnion of the prosthesis to be extracted using a stem trunnion securing member housed within the guide block. Straight, curved and compound curved knife blades are guided by the blade guide slots to cut the prothesis free. The Joint Revision Surgery Apparatus facilitates rapid, efficient and complete removal of an existing prosthesis during joint revision surgery, and significantly increases positive medical outcomes for joint revision procedures.

The present application is directed a Joint Revision Surgery Apparatus which includes a surgical knife blade guide block which has a plurality of rearward blade guide slots, a central cavity and a plurality of guide slots having a two-way adjustable L-shaped guide plate. The surgical knife blade guide block central cavity houses a stem trunnion securing member and is positioned over the trunnion end of the existing prosthesis to be removed and secured to the prothesis. The guide blade block is secured to the trunnion of the prosthesis to be extracted using a stem trunnion securing member housed within the guide block. Straight, curved and compound curved knife blades are guided by the blade guide slots to cut the prothesis free. The Joint Revision Surgery Apparatus facilitates rapid, efficient and complete removal of an existing prosthesis during joint revision surgery, and significantly increases positive medical outcomes for joint revision procedures.

A medical devices en-vivo positional determination system using a plurality of optical time of flight (TDF) transceivers along with gyroscopic angular and mechanical distance sensors for the determination of absolute linear and angular positional information of the tool bit tip for the purposes of more accurate hand-held drilling or cutting, on the workpiece using forward kinematic equations calculated on a microcomputer to provide a real-time display of the 3-linear position and 2-angular orientation of the tool bit (such as a drill, scalpel, or wire driver).

The invention discloses an ultrasonic surgical knife transducer wiring and a waterproof production process thereof.A first waterproof block, a second waterproof block and a third waterproof piece are arranged through six steps, and the first waterproof block achieves water prevention of the surface of an insulating layer of an inner cover and is called as first water prevention; the second waterproof block realizes water resistance of the surface of the outer cover, and also realizes water resistance of gaps among the outer cover, the inner shell and the second waterproof block, which is called second water resistance; and the third waterproof piece realizes the waterproof effect among the first waterproof block, the insulating layer, the outer shell and the inner shell of the inner cover, which is called as the third waterproof effect. After the design and molding, the waterproof grade can reach IP68, which means that the product can be soaked, cleaned and used in water for a long time without water inflow.

The invention relates to the field of scalpel coatings, in particular to a self-repairing wear-resistant coating, a preparation method and a scalpel applying the self-repairing wear-resistant coating. The self-repairing wear-resistant coating comprises a vapor deposition layer and a self-repairing coating layer which are sequentially coated from inside to outside, the self-repairing coating layer is formed by drying and curing self-repairing coating liquid, and the wear-resistant and self-repairing dual functions are achieved through the synergistic effect of the vapor deposition layer and the self-repairing coating layer. The vapor deposition layer serves as a bottom layer and provides basic hardness and wear resistance, and the self-repairing coating layer is formed by curing a coating liquid and comprises poly (N-isopropylacrylamide) microgel, an antibacterial agent and self-repairing particles. The self-repairing particles realize microscopic repairing through chemical bond recombination when the coating is damaged, and the integrity of the coating is maintained. According to the double-layer structure, physical wear resistance and chemical self-repairing are combined, so that the service life of the surgical knife is remarkably prolonged, and the pollution risk in an operation is reduced.

Presented herein are methods, systems, devices, and computer-readable media for image management in image-guided medical procedures. Some embodiments herein allow a physician to use multiple instruments for a surgery and simultaneously provide image-guidance data for those instruments. Various embodiments disclosed herein provide information to physicians about procedures they are performing, the devices (such as ablation needles, ultrasound transducers or probes, scalpels, cauterizers, etc.) they are using during the procedure, the relative emplacements or poses of these devices, prediction information for those devices, and other information. Some embodiments provide useful information about 3D data sets and allow the operator to control the presentation of regions of interest. Additionally, some embodiments provide for quick calibration of surgical instruments or attachments for surgical instruments.

The invention discloses a scalpel assembly special for tendon sheath release. The scalpel assembly comprises a grip and a scalpel body. The front end of the grip is rotationally connected with the cutter body; the upper portion of the knife body is provided with a covering end, the lower portion is provided with a tendon end, and the middle of the rear end is provided with a connecting rod rotationally connected with the handle. The front end of the tendon end is fusiform, and a binding surface is arranged on one surface far away from the knife body; the binding face is arranged to be an inwards-concave curved face. In the tendon sheath release operation, the binding face can be tightly attached to the surface of the tendon, the situation that due to the fact that a traditional scalpel is difficult to be tightly attached to the tendon, the tendon is cut by mistake due to slight deviation in the operation process is effectively avoided, the operation risk is greatly reduced, and the occurrence probability of postoperative tendon dysfunction and other serious complications is reduced.

The invention discloses a tail-end-bendable ultrasonic scalpel based on rope drive, and relates to the technical field of medical instruments, the tail-end-bendable ultrasonic scalpel comprises a scalpel head assembly, a transducer, a handle shell, a circuit board and a battery, and the front end of the transducer is in threaded connection with the scalpel head assembly. The snakelike joint structure based on the rope driving principle is adopted, a traditional ultrasonic energy transmission mode is innovated and improved, multi-angle and multi-direction flexible bending of the tail end of the tool bit is achieved, accurate movement of the tail end joint in multiple dimensions can be controlled by adjusting the tension of the steel wire rope at the position of the handle, and the tool bit can be flexibly bent in multiple directions. The scalpel can go deep into a complex anatomical area inside a human body, including a narrow or bent part which a traditional linear ultrasonic scalpel cannot reach, the snakelike joint structure enables the scalpel head to have good flexibility and controllability, a doctor can flexibly adjust the direction of the scalpel head according to the requirement in an operation, and therefore the scalpel head can be flexibly adjusted on the premise that the operation path is not changed. And multi-angle treatment of focus tissues is realized.

Scalpel guides for use with a tool guide of a surgical system are described. In one version, the scalpel guide includes a body defining a first guide slot sized and shaped to receive a body of a scalpel to guide a blade of the scalpel along a central axis without any lateral movement of the scalpel. The body also defines a second guide slot arranged such that the body of the scalpel inserted in the second guide slot is guided vertically by the sides of the second guide slot and allowed to move horizontally across the channel along the trajectory plane. Other versions of the scalpel guide are also described.

The utility model belongs to the technical field of minimally invasive surgery, and relates to an arthroscope composite plasma knife which comprises a handle, a knife body tube shell, a hook-shaped electrode knife head and a horseshoe-shaped electrode knife head. The hook-shaped electrode tool bit and the horseshoe-shaped electrode tool bit are respectively wrapped by insulating materials and installed in the tool body tube shell, the top end of the horseshoe-shaped electrode tool bit extends out of the upper portion of the tool body tube shell, the hook-shaped electrode tool bit is of a telescopic structure, and the top end of the hook-shaped electrode tool bit in the extending state is higher than the top end of the horseshoe-shaped electrode tool bit. And the top end of the hook-shaped electrode tool bit in the retracted state is lower than that of the horseshoe-shaped electrode tool bit. By designing the hook-shaped electrode tool bit and the horseshoe-shaped electrode tool bit, switching between the hook-shaped electrode tool bit and the horseshoe-shaped electrode tool bit can be achieved quickly, surgical tools do not need to be replaced frequently, surgical difficulty is reduced, surgical efficiency is improved, and purchasing and maintaining cost of surgical instruments is reduced.

This utility model relates to a surgical skin-cutting device, belonging to the field of medical device technology. It solves the problems of uneven incisions, increased patient injury, and prolonged surgery time caused by the use of flat scalpels in existing skin-cutting surgeries. This utility model includes a cutting unit and a handle unit. The cutting unit includes a first blade and a second blade, both of which are fixedly connected to the handle unit. Both the first and second blades are arc-shaped, and their ends are fixedly connected. The surgical skin-cutting device of this utility model features arc-shaped first and second blades, with their ends fixedly connected. The first and second blades can simultaneously make a regular, continuous arc-shaped incision on the skin in one operation, resulting in a smooth incision, avoiding unnecessary damage to the patient, simplifying the surgical procedure, and shortening the operation time.

The utility model discloses a kind of key structure and scalpel pen, including shell and key part;The mounting hole and the clearance hole are opened in the shell;The key part is set in shell, including multiple keys, connecting rib and adjusting positioning column, multiple the keys are sequentially connected by multiple connecting ribs, the adjusting positioning column is set on connecting rib, the key and mounting hole clearance fit, the adjusting positioning column and clearance hole clearance fit, the one end of the adjusting positioning column located outside shell is equipped with reverse buckling face, the reverse buckling face can be abutted with the outer wall of shell. Use above-mentioned one kind of key structure, multiple keys and adjusting positioning column are connected as a whole by connecting rib, more convenient manufacturing and assembly, also reduce production cost.And by buckling adjusting positioning column can provide larger resilience to key, improve the pressing feeling of key.

The ultrasonic scalpel handle comprises a handle body and a power connecting line, the handle body is provided with a mounting hole used for being connected with a scalpel, and the power connecting line comprises a conductive wire and a connecting base fixedly arranged at one end of the conductive wire. The other end of the electric lead is electrically connected with a circuit element located in the handle body, the connecting base is provided with a connecting structure used for being connected with an external power source, the connecting base can be inserted into the mounting hole in a matched mode, and the connecting base is inserted into the mounting hole in the front portion of the handle body during cleaning and disinfection. According to the handle, the mounting hole can be blocked, so that liquid is prevented from entering the inner cavity of the handle body from the mounting hole to damage internal circuit elements in the cleaning and disinfection process, the operation is convenient, and a waterproof end plug does not need to be additionally arranged; and the problems of independent storage, easy loss and the like caused by independent configuration of the waterproof end plug are avoided.

The utility model relates to the technical field of medical equipment, especially to a soft tissue emulsification suction cutting ultrasonic operating knife and ultrasonic operating handle, including the knife bar and the knife head connected in the knife bar front end, the knife bar includes the knife handle section and the transition section gradually from back to front, the front end of the most front end extension section forms the knife head, and the diameter of extension section gradually decreases according to the order from back to front, the front part peripheral wall of the most front end extension section forms the heat dissipation section, and its beneficial effect is that the transition section can be multiple groups, and the different groups of amplitude section and extension section are connected with each other, form an energy transmission path of gradual transition, and further optimize the amplitude of the whole knife bar, the front part peripheral wall of the most front end extension section forms the heat dissipation section and is used for radiating the heat generated in the operation process. The design of heat dissipation section helps to prevent the scalpel from overheating, thereby protecting the surrounding tissue and reducing the operation risk.

The application provides a surgical knife, relates to the technical field of medical instruments, and is used for improving surgical efficiency. The surgical knife comprises a handle, the handle comprises a main handle and an auxiliary handle, the main handle is provided with a first accommodating cavity, the first accommodating cavity is provided with a first opening, the auxiliary handle is slidably arranged through the first opening, the auxiliary handle is provided with a second accommodating cavity, two sides of the second accommodating cavity are provided with a second opening and a third opening, the second opening is opposite to the first opening, a telescopic assembly, the telescopic assembly comprises a rack, a first gear and a driving piece, the rack is arranged in the second accommodating cavity, the first gear is arranged in the first accommodating cavity and passes through the third opening, the first gear is in transmission connection with the rack, the driving piece is arranged on the main handle and is used for driving the first gear to rotate, and a blade, the blade is arranged on a side of the main handle away from the auxiliary handle and is detachably connected with the main handle.

1. Name of the product in this design: Ceramic surgical knife. 2. Purpose of this design: As a cutting tool used in surgery. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1. 5. The top view is already shown in perspective view 1, so it is omitted; the bottom view is already shown in perspective view 2, so it is omitted.

The scalpel comprises a first scalpel handle and a first scalpel head, the first scalpel head is detachably arranged at the front end of the first scalpel handle, a connecting insertion block is arranged at the front end of the first scalpel handle, and a step-shaped clamping groove is formed in the outward end of the connecting insertion block; the tail end of the first tool bit is provided with a connecting groove matched with the stepped clamping groove and the connecting inserting block in appearance, the front end of the first tool bit is provided with an integrally-formed extending part, the extending part is bent outwards, and the width of the end is gradually reduced to form a tip in the outward extending process of the extending part. Blades are arranged on the two side surfaces of the extension part; the extension part which is bent outwards can be suitable for narrow and irregular spaces around wisdom teeth, especially at different tooth position angles, and can be conveniently inserted into a gap between a gingiva and an alveolar bone, so that the connection between the gingiva and a dental crown neck as well as between the gingiva and an alveolar is completely cut and separated, and the end part of the extension part is a sharp end; and accurate puncture and combination of the starting point of the epithelium are facilitated, and damage to healthy tissues is reduced.

The present invention provides a method for preparing a surgical graft outside of the body. Specifically, the device is configured to hold a graft in place while a surgical tool, such as a scalpel, is used to puncture it. The device is comprised of a tray for the graft to sit in and a lid that features a plurality of guide holes that are large enough for a scalpel to completely pass through.

The dissection scalpel comprises a scalpel head and a scalpel handle, the scalpel head is detachably installed at the front end of the scalpel handle, the scalpel handle comprises a first scalpel handle half body and a second scalpel handle half body which are fixed to each other, a driving cavity is formed in the front section of the first scalpel handle half body and the front section of the second scalpel handle half body, and a blade installation plate is axially installed in the driving cavity in a sliding mode; the tail portion of the cutter head and the blade mounting plate are detachably fixed, a driving mechanism is further installed in the driving cavity and comprises a driving plate, the driving plate and the blade mounting plate are detachably connected, an axial strip hole is formed in the cutter handle, an exposed operation button is arranged on the driving plate, and the blade mounting plate is detachably connected with the axial strip hole. A locking structure is arranged between the first knife handle half body and the blade mounting plate or between the second knife handle half body and the blade mounting plate, and an unlocking structure is arranged on the driving plate. According to the dissecting scalpel, the position of the scalpel head can be controlled more conveniently, and therefore the scalpel head can be replaced and locked more conveniently.

The invention discloses a minimally invasive scalpel welding device, and belongs to the technical field of precision manufacturing of medical instruments, the minimally invasive scalpel welding device comprises a feeding base, one side of the feeding base is connected with a connecting base, and the top of the connecting base is provided with a welding assembly and a supporting assembly. According to the minimally invasive scalpel welding device, scalpels can be positioned through the positioning assembly, the position can be adjusted in cooperation with the moving assembly, the minimally invasive scalpel welding device is suitable for welding work of minimally invasive scalpels of different sizes, all-directional welding work can be automatically conducted, welding slag and welding fume are automatically cleaned, safety and working efficiency are improved, and the device is very practical.

The application discloses a kind of mechanical arms for medical operation, including mechanical arm body, mobile type setting in operating table side by a movable trolley, mechanical arm body lower end is fixed on movable trolley, and mechanical arm body terminal end is equipped with searchlight;Light tracking device can automatically track the position of surgeon scalpel in real time, provide light for surgeon operation, and light tracking device is set on mechanical arm body;Activation device can activate light tracking device when scalpel is above operating table, and activation device is set on operating table;Compared with prior art: 1, linear positioning assembly is used, in the operation process, the searchlight of mechanical arm terminal end moves in real time according to the moving position of scalpel, without manual adjustment;2, when light is blocked, mechanical arm moving assembly can move searchlight search path to the gap between doctors, then find point position and irradiate, and search point position is accurate and convenient.

The utility model discloses a transducer, which belongs to the technical field of medical instruments and comprises a prestressed bolt, a front cover plate and an amplitude-change pole, the amplitude-change pole is divided into an amplitude-change pole large end and an amplitude-change pole small end, the prestressed bolt sequentially penetrates through a rear cover plate and a piezoelectric ceramic wafer stack and is in threaded connection with one end of the front cover plate, the other end of the front cover plate is connected with the amplitude-change pole large end, and the amplitude-change pole small end is connected with the piezoelectric ceramic wafer stack. The end, away from the front cover plate, of the amplitude-change pole large end is connected with a transition section, the end, away from the amplitude-change pole large end, of the transition section is connected with the amplitude-change pole small end, the radius of the transition section is gradually decreased from the amplitude-change pole large end to the amplitude-change pole small end to form a cambered surface, and the curve of the cambered surface of the transition section is a steepest curve. According to the scheme, the design that the steepest curve serves as the transition curve is adopted, the steepest curve serves as the transition curve to be applied to the step of the amplitude-change pole, and therefore the longitudinal vibration frequency of the ultrasonic scalpel transducer is closer to the ideal frequency, vibration is more stable, and the cutting hemostasis effect in an operation is improved.

The invention provides a mandibular angle osteotomy surgical robot system which is characterized in that an osteotomy guide plate assembly comprises a first osteotomy guide plate and a second osteotomy guide plate, the second osteotomy guide plate comprises a supporting guide plate and a fixed guide plate, and the supporting guide plate and the fixed guide plate are assembled to form an osteotomy groove body; the special-shaped scalpel comprises a saw blade part and a handle part, the handle part is provided with a bent structure, and an observation space is formed below the handle part. The driving module is used for driving the special-shaped scalpel to execute cutting operation according to a preset track; the monitoring module monitors the cutting operation state of the saw blade part through the observation space; the main control module is used for establishing a human jaw three-dimensional model, generating a personalized osteotomy guide plate assembly based on the human jaw three-dimensional model, obtaining the cutting operation state of the saw blade part through the monitoring module, and controlling the special-shaped scalpel to execute cutting operation through the driving module.

The invention discloses a dermatological scraping device, and relates to the field of medical instruments, the dermatological scraping device comprises a surgical knife handle and a scraping frame clamped on the surgical knife handle, a curled blade and a blade are slidably arranged on two sides of the scraping frame respectively, a spatula is slidably arranged at the end of the scraping frame, and the dermatological scraping device further comprises a sliding mechanism arranged on the scraping frame, the scraping frame is used for sliding adjustment of the curling blade, the blade and the spatula, the curling blade, the blade and the spatula are connected to the interior of the scraping frame in a limited and sliding mode through a plurality of limiting sliding blocks, so that the curling blade, the blade and the spatula can be stored in the scraping frame when not used, transportation and protection are facilitated, and when in use, the curling blade, the blade and the spatula can be stored in the scraping frame. The skin scraping device is simple in structure and convenient to use, can be pushed out in a sliding mode for use according to the skin scraping condition requirement of a patient, so that the situation that skin scraping and sampling are inconvenient is avoided, and the skin scraping and sampling convenience of the dermatology department is improved.

The utility model relates to the technical field of ultrasonic scalpel grasping manipulators, in particular to an ultrasonic scalpel grasping manipulator which comprises a first shell and a second shell, the first shell and the second shell are installed in a clamped mode, a rotating wheel is installed between the first shell and the second shell in a clamped mode, and a scalpel rod is connected to the middle of the rotating wheel in an inserted mode. An inner rod is inserted in the middle of the cutter rod, a control handle is slidably connected between the first shell and the second shell, multiple sets of second clamping grooves are formed in one side wall of the shell, multiple sets of second clamping plates are fixedly connected to the side wall of the second shell, and the multiple sets of second clamping plates are matched with the multiple sets of second clamping grooves in a clamped mode; the scalpel rod and the inner rod are clamped and installed through the rotating wheel, the control handle controls the ultrasonic scalpel to be clamped, the first shell and the second shell are clamped and installed, disassembly and assembly are convenient, and when parts in the grabbing manipulator go wrong, the connecting portion between the first shell and the second shell is pressed, the second shell is disassembled from the first shell through extrusion, and operation is convenient. And parts in the ultrasonic scalpel grasping manipulator can be conveniently overhauled.

The application discloses a navigation type scalpel for surgical robot and relates to the technical field of medical devices.The scheme comprises a guider provided with a through guide channel at one end and used for detachable connection with an external navigation device;the navigation scalpel comprises a navigation handle and a cutting blade, the cutting blade is detachably connected with one end of the navigation handle, the other end of the navigation handle is provided with a tracer, and the tracer is used for identification and positioning by the external navigation device;the outer wall of the navigation handle is circumferentially limitedly connected with the inner wall of the guide channel, the navigation handle is used for insertion into the guide channel, and the guide channel is used for axial and circumferential guidance of the advancing path of the cutting blade.Through the arrangement of the guider and the navigation scalpel, the external navigation device can position the scalpel, monitor the cutting path and the cutting depth of the scalpel, and through the axial and circumferential limitation of the guide channel on the scalpel, the cutting position and direction of the scalpel are ensured to be accurate.

Embodiments describe a light-based medical device that uses light to luminesce tissue, and collect the reflected light, to perform analysis on the reflection characteristics in real-time to detect the type of surrounding tissue as well deeper tissue in the trajectory of the luminescence. Such device can be incorporated inside needles, catheters, tubes or piercing or biopsy tools, surgical blades, surgical tweezers, and so on, to direct their insertions and operations in specific zones. Importantly, because of the easy-to-use design, embodiments can be used without the need of highly trained personnel or expensive hospital equipment. Therefore, embodiments can be utilized in emergency situations that require fast responses, performed in ERs, moving vehicles, ambulances, and battlefields.

The utility model relates to the technical field of medical instruments, and discloses a safe and reliable disposable medical scalpel which comprises a grip, the left side of the grip is fixedly connected with a scalpel handle, the left side of the scalpel handle is fixedly connected with a scalpel point, the periphery of the scalpel handle is connected with a shell in a sliding mode, and the top of the shell is fixedly connected with a first clamping block. A plurality of first clamping grooves are formed in the top of the cutter handle, the first clamping blocks are arranged in the middles of the first clamping grooves, a second clamping block is fixedly connected to the bottom of the cutter handle, and a second clamping groove and a sliding groove are sequentially formed in the bottom of the shell from left to right. According to the protective device for the disposable scalpels, the disposable scalpels are protected, doctors or nurses are prevented from being hurt when the disposable scalpels are taken, staff are prevented from being hurt easily when the disposable scalpels are treated, and the used disposable scalpels or the unused disposable scalpels can be distinguished; and cross infection of a patient caused by using a used disposable scalpel is avoided.