644 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.

Surgical instrument bits are disclosed that mate to a multi-function surgical handle. The surgical instrument bits may include an integrated light source, and they may be disposable or reusable. Surgical instrument bits may comprise scalpel blades, skin hooks, retractors, curettes, comedone extractors, forceps, elevators, dissectors, elevators, bone hooks, suture removers, punch biopsy instruments and probes, reflecting devices such as mirrors, trocars and splinter liberators.

The invention discloses an orthopedic surgical instrument storage and disinfection device, and belongs to the field of medical instruments, the device comprises a disinfection box, the bottom end of the disinfection box is provided with a frame, the bottom end of the frame is provided with a base, and the base is internally provided with a storage and disinfection assembly; a transverse shaft is arranged in the middle of the disinfection box, and containing grooves are formed in the six side walls of the hexagonal box. During use, a handle of a used scalpel is inserted into the slot, a doctor starts to tread the pedal, the pull rod at the top end of the pedal starts to pull the seesaw to move in the process that the pedal is treaded down, and the seesaw and the elastic piece at the end of the seesaw can jack up the ratchet wheel and twist the ratchet wheel by a certain angle; when the hexagonal box and the scalpel on the side wall of the hexagonal box are twisted to the lower portion and immersed in the disinfectant, fat and blood stains on the scalpel can be separated from the surface of the scalpel under the action of ultrasonic waves, the hexagonal box rotates 90 degrees again to enable the scalpel to be separated from the disinfectant, and the scalpel is disinfected under irradiation of an ultraviolet lamp and dried.

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 invention belongs to the technical field of ultrasonic scalpel energy control, and particularly relates to an ultrasonic scalpel energy control method based on a vascular tissue model. According to the method, the blood vessel layering model is established, the mechanical property change of the blood vessel tissue is monitored in real time, the real-time energy loss is accurately calculated, and the real-time output power of the ultrasonic knife system is adjusted in real time according to the real-time loss angle. According to the method, the cavitation, curing and disjunction stages can be judged according to the real-time state of the vascular tissue, energy output is accurately controlled, it is ensured that the large-diameter blood vessel is fully cured, the bursting pressure is increased, and meanwhile thermal damage caused by excessive curing of the small-diameter blood vessel is avoided. The problems that a traditional ultrasonic scalpel system is inaccurate in energy control and poor in adaptability to blood vessels with different diameters can be effectively solved, the heat injury and postoperative bleeding risks in the blood vessel cutting process are remarkably reduced, the operation efficiency is improved, and postoperative recovery of a patient is better facilitated.

The invention discloses a mammary gland puncture ultrasonic knife which is composed of a disposable ultrasonic operation knife and a repeatedly-used ultrasonic operation knife handle, and the ultrasonic operation knife handle further comprises a repeatedly-used transducer. Wherein the cutter collecting bin, the transmission structure and other structures have anti-locked-rotor and anti-tripping design, the problems that the sampling mode may fail, the sampling process is not beneficial to operation and the like are solved, the whole closed negative pressure system is adopted, negative pressure connection is firmer, and the sealing performance is better ensured; the sealing problem of the ultrasonic surgical knife rod and the ultrasonic surgical knife is effectively solved. Sampling tissues are automatically stored, so that the sampling process is safer, and secondary pollution caused by the fact that an open type sampling groove needs to be adopted in the sampling mode is avoided; and a hidden type buckle position capable of being released is adopted, plugging and unplugging are convenient, quick replacement is facilitated, therefore, convenient, fast and effective automatic continuous ultrasonic cutting sampling is achieved, and the problems possibly occurring in various manual operations in tubular ultrasonic breast biopsy treatment are solved.

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.

The invention relates to a scalpel, a scalpel cutting depth tracking method, system and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the steps that in the operation process of a scalpel, state information of a target scalpel after rotation is obtained; the state information after rotation comprises angular velocity information after rotation; determining post-rotation space coordinate information of the target scalpel according to the post-rotation angular velocity information and a preset data fusion algorithm; and determining the cutting depth of the target scalpel according to the space coordinate information after rotation and the original space coordinate information of the target scalpel, and outputting the cutting depth. By adopting the method, the operation efficiency can be improved.

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.

An energy instrument for surgery and an ultrasonic scalpel are provided. The instrument comprises a built-in battery, a control unit, a first power-consumption circuit and a second power-consumption circuit, wherein the first power-consumption circuit is electrically connected to the control unit, and power consumption of the second power-consumption circuit in a working state is greater than power consumption of the first power-consumption circuit in a working state; when the instrument is not connected to an external power supply, the control unit and the first power-consumption circuit can be triggered to respectively connect a loop with the built-in battery; and the second power-consumption circuit stays in stop working state when the instrument is not connected to the external power supply. When the instrument is not connected to the external power supply, a small-power-consumption circuit can be triggered to run temporarily, and a large-power-consumption circuit is not connected to the built-in battery.

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 belongs to the technical field of medical instruments, and discloses a medical instrument production quality detection device which comprises a base and further comprises a supporting frame fixedly installed at the top of the base, and a first fixing plate and a second fixing plate are fixedly installed at the two ends of the interior of the supporting frame. The fixing rod and the contact rod push the surgical knife and the marking pen to make contact with the inner wall of the first fixing plate to move, if the surgical knife breaks in the detection process, the surgical knife breaks away from the contact rod, the contact rod is reset under the action of the first elastic piece, and the writing end of the marking pen does not make contact with the inner wall of the first fixing plate; the marking pen cannot write on the inner wall of the first fixing plate, the writing arc line of the marking pen is observed through image acquisition equipment and is compared with the standard bending arc line of the cutter, and if the writing arc line cannot cover the standard bending arc line of the cutter, the strength resistance of the surgical cutter is unqualified; otherwise, if the marking pen writes and covers the standard bending arc line of the cutter, the strength resistance of the surgical cutter is qualified.

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.

The utility model discloses an ultrasonic surgical instrument with a wireless transmission structure. The ultrasonic surgical instrument comprises an ultrasonic knife head and a transducer handle, the ultrasonic scalpel head comprises a shell and an ultrasonic transmission assembly rotatably installed on the front portion of the shell, the ultrasonic transmission assembly is used for transmitting ultrasonic high-frequency vibration energy generated by the transducer handle, one or more keys are arranged on the outer side of the shell, and the keys can excite corresponding ultrasonic energy; a waveguide rod of the ultrasonic transmission assembly and an amplitude-change pole of the transducer handle are physically connected or detached through threads; according to the ultrasonic scalpel, the wireless transmission structure is arranged between the ultrasonic scalpel head and the transducer handle and used for wireless power supply and / or communication, the situation that signal transmission is affected due to poor contact or short circuit when the ultrasonic scalpel head and the transducer handle are electrically connected through pins can be avoided, and the reliability of the ultrasonic scalpel is improved.

There is provided a device for processing harvested skin. The device includes a bed 104 to hold a skin graft held over a template 110 and a support part 102 with multiple cutting slots 114 running through a length of the support part 102. The support part 102 is positioned over the bed 104 to apply a uniform force to press the support part 102 against the skin graft. A first cut of the skin graft is performed with a scalpel blade by locking the support part 102 at a zero position against the bed 104 and a second cut of the skin graft is performed by lifting the support part 102 facilitated by a lifting element and locking the support part 102 by rotating the support part 102 to 90 degrees from the zero position with respect to the bed 102 to obtain a square shaped skin graft pieces.

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.

An ultrasonic scalpel, an energy instrument for surgery, and a power adjustment method therefor. The ultrasonic scalpel comprises a handheld component, a control module, an ultrasonic generator, and an ultrasonic cutter head, and further comprises the following modules: a load detection module, which is configured to detect the load conditions of the ultrasonic cutter head, the load detection module being electrically connected to an input end of the control module; a power conversion module, an input side thereof being electrically connected to an output end of the control module, and an output side thereof being electrically connected to the ultrasonic generator; the control module is configured to receive a detection signal from the load detection module, and when an activation button is pressed, the control module controls the power conversion module to adjust the output power of the ultrasonic generator.

Disclosed in embodiments described here are cutting devices, such as but not limited to, medical or surgical blades and scalpels, and methods of using the cutting devices of the description that can be used to obtain a skin sample from a subject or to remove a skin sample from a subject.