452 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.

An ultrasonic surgical blade includes a body having a proximal end, a distal end, and an outer surface. The distal end is movable relative to a longitudinal axis in accordance with ultrasonic vibrations applied to the proximal end. At least a portion of the outer surface of the body comprises a lubricious coating adhered thereto. The lubricious coating has a coefficient of friction that is less than the coefficient of friction of the outer surface of the body.

The invention relates to the technical field of ultrasonic scalpels, in particular to an ultrasonic scalpel for pediatric surgery, which comprises a handle part, and a beveling blade surface, a main blade surface and an auxiliary blade surface which are arranged on the handle part, the auxiliary blade face extends from the cutter head end to the tail end to form a second transition blade face, the second transition blade face is designed to be an inwards-concave arc face, an assembling groove is formed in the handle portion, a capsule type flushing head is rotationally installed in the assembling groove in a damping mode, the capsule type flushing head is in a notch shape, and the capsule type flushing head is connected with the auxiliary blade face. The two ends of the capsule type flushing head are the output end and the tail end respectively, an open window communicated with the assembling groove is formed in the outer wall of the arc face of the second transition blade face, the output end of the capsule type flushing head is allowed to rotate out through the open window, and a first straight pipeline is arranged in the handle part in the direction from the cutter handle to the cutter head. The three-effect integrated function of debridement crushing, flushing dosing and waste liquid suction is achieved, flushing dosing can be conducted in time after debridement crushing, and a flushing channel in the tool bit is perfected.

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 utility model relates to a one-handed safety scalpel, comprising a handle, a blade fixed to one end of the handle, and a movable protective cover capable of protecting the blade, the handle comprising a detachably connected upper handle and a lower handle, the protective cover being slidably connected to the upper handle and the lower handle, thereby covering or exposing the blade, the upper handle being provided with a guide groove and a front locking groove, the protective cover having a convex block extending outside the guide groove and capable of sliding along the guide groove, and a front locking block capable of being embedded in the front locking groove and limiting the sliding of the protective cover, the lower handle being provided with a rear locking groove, the protective cover having a rear locking block capable of being embedded in the rear locking groove and limiting the sliding of the protective cover. The one-handed safety scalpel can realize one-handed operation through the mutual cooperation of the upper handle, the lower handle and the protective cover, greatly reducing the difficulty of operation for doctors, preventing the blade from bumping, and being convenient and safe to use.

A multi-portal method for treating a subject's spine includes using a marking guide to align spinal incisions. The marking guide can include alignment features, such as radiopaque structures or elements that align with features such as anatomical elements, planes, implants, and / or the like. The marking guide can fit multiple access instruments, such as expandable scalpels, depth guides, surgical instruments, and / or the like. A user can position the access instrument relative to a feature using an alignment feature of the marking guide. The access instruments can be used to create incision sites and prepare entrances for multiple cannulas, cannulas and surgical instruments, multiple surgical instruments, and / or the like. One or more access instruments can be used to enlarge a working space between the entrances for delivery of an interbody fusion implant. The patient's spine can be visualized using endoscopic techniques to view the working space throughout the surgical procedure.

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.

An inflation-free single-port laparoscope abdominal wall fixing device comprises a fixing plate, a handle is arranged on the rear side of the fixing plate, the handle gradually inclines upwards, an operation hole is formed in the fixing plate, connecting plates are arranged on the left inner side and the right inner side in the operation hole respectively, the connecting plates are connected with the fixing plate through an adjusting device, and the adjusting device is connected with the fixing plate. A connecting plate is arranged on the handle, a side drag hook is arranged below the connecting plate, a suction tube is arranged on the handle, a connector is arranged at one end of the suction tube, the connector is connected with a negative pressure suction device, a flat tube which is bent downwards is arranged at the other end of the suction tube, one side of the flat tube is connected with the fixing plate in a welded mode, and suction holes which are communicated with each other are formed in the flat tube and the suction tube. The flat tube can be used as a suction tube to suck smoke and water mist generated in the abdominal cavity during an operation, and can also be used as a drag hook structure on the rear side to tension and support the rear side abdominal wall of an abdominal incision of a human body, the rear drag hook structure is replaced by the flat tube, and the suction tube does not interfere with the scalpel.

An ultrasonic scalpel bit, comprising a bit body in a flat structure, two symmetrical end faces being respectively provided in the thickness direction. At least one side of each end face is provided with a cutting part in the axial direction thereof; the cutting part comprises a surface, at least two saw tooth rows being provided on the surface, and each saw tooth row being formed by arranging a row of saw teeth in the axial direction of the bit body; and a cutting direction of the saw teeth is parallel to the axial direction of the bit body, and the saw tooth rows are arranged side by side at intervals; a cooling channel is provided between the adjacent saw tooth rows. The cooling channels having a flow guide effect extend from the proximal end of the bit body to a tip part at the distal end, thus guaranteeing that cooling water can be effectively transferred to the tip so as to achieve a good cooling effect on tissue at a deep position. The cooling channels are close to the saw teeth so that heat exchange can be performed quickly.

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.

The invention discloses an osteotomy surgical robot with a cutter capable of moving in multiple directions, and relates to the technical field of medical surgical instruments. The device comprises a fixing plate, two first sliding rails are installed on one side of the fixing plate, a first sliding seat is slidably connected between the two first sliding rails, a second sliding rail and a vertical moving piece are installed on one side of the first sliding seat, a second sliding seat is installed between the second sliding rail and the vertical moving piece, a mechanical arm is installed on one side of the second sliding seat, and a positioning part is installed at one end of the mechanical arm. A cutting piece is rotationally connected to the end of the positioning part, a vision washing pipe is installed on one side of the cutting piece, a handle and a display screen are installed on one side of the end of the positioning part, and a scalpel is installed in the cutting piece. By arranging the two sliding seats and installing the mechanical arm with the cutting part, the robot has multiple degrees of freedom in use, so that the cutting positioning precision is improved, and the cutting is more fit with a prosthesis standard part by limiting the scalpel and providing a cutting visual angle, so that the wearing comfort is improved.

The utility model discloses a disposable radio frequency plasma scalpel head for narrow window surgery. The disposable radio frequency plasma scalpel head comprises a handle, a scalpel head body, a water injection pipe and a power line, wherein the scalpel head body, the water injection pipe and the power line are respectively connected with the handle; the tool bit body comprises a tool body installed on the handle, an electrode base installed at the front end of the tool body, an electrode body installed on the electrode base and an electrode insulating sleeve arranged on the electrode body in a sleeving mode. The power line is electrically connected with the electrode body and the knife body. When the front end of the electrode body extends outwards, the thickness is gradually reduced to form a cutting edge shape, and the tail end of the electrode body is completely attached to the end face of the matched position of the electrode base. The electrode body is used for stripping soft tissues and performing excision ablation treatment on minimal lesions in narrow positions, so that the problems of weak cutting energy, long operation time, poor hemostatic effect, limited working electrode angle and incapability of realizing fine cutting in the field of the conventional narrow window surgical knife head are solved.

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.

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 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 discloses a dental operating knife handle assembly which comprises a blade and a knife handle, a holding point according to the human engineering principle is arranged at the front end, close to the blade, of the knife handle, round protrusions are arranged on the two sides of the middle end of the knife handle, concave holding points are arranged opposite to the round protrusions, and a spoon head is arranged at the end, away from the blade, of the knife handle. The outer edge of the knife handle is arranged to be in the shape of a hand-shaped fitting curve. The dental scalpel is reasonable in structural design, an operator holds the scalpel handle in the working process, the outer edge of the scalpel handle is arranged to be in the shape of a hand fit curve, holding is convenient, the spoon head arranged at the rear end can be used for repairing false teeth in the false tooth machining process, the installation position of the false teeth can be slightly adjusted, and comfort, holding feeling and operability are improved when the dental scalpel is used.

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 utility model relates to a medical planing grinding head and relates to the field of medical instruments, the medical planing grinding head comprises an inner knife and an outer knife, the inner knife comprises an inner knife head, an inner knife rod and an inner knife handle, the outer knife comprises an outer knife head, an outer knife rod and an outer knife handle, the inner knife rod is inserted into the outer knife rod, a groove is formed in one end of the outer knife handle, and the outer knife handle is inserted into the groove. One end of the inner cutter handle is inserted into the groove, the side face, provided with the groove, of the outer cutter handle is a contact face, the side face, close to the contact face, of the inner cutter handle is a contact face, and the inner cutter handle is connected with a driving motor driving the inner cutter handle to rotate relative to the outer cutter handle. And a ball bearing is arranged between the first contact surface and the second contact surface. The surgical knife has the advantages that the situation that the inner knife and the outer knife are locked is reduced, and normal operation can be guaranteed.

1. Name of the Design Product: Surgical Blade Head (III). 2. Use of the Design Product: For coagulation and resection of tissues during surgical operations. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective view.

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.