46 results about "Surgical knife" patented technology

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 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.

This utility model discloses a multi-angle gingival scalpel, relating to the field of scalpel technology. It includes a handle, a base, a blade, and an angle adjustment mechanism. One end of the handle is connected to the base via the angle adjustment mechanism, and the blade is detachably mounted on the base. The angle adjustment mechanism includes a knob, a limiting block, a limiting plate, a ball, an elastic element, and a connecting rod. The angle adjustment mechanism allows for flexible adjustment of the base angle, which in turn adjusts the blade angle. This enables the surgeon to precisely position and operate the blade according to the patient's oral condition, ensuring that cutting and trimming operations are accurately applied to the target gingival tissue. This improves surgical precision and reduces surgical errors caused by operational deviations.

Title: power connection cable for ultrasonic scalpel handle; usage of the product of this design: the overall usage is ultrasonic scalpel handle for surgical procedures such as hemostatic separation of soft tissues and tissue coagulation; the local usage is that the connection cable on the handle connects to the power source; key points: the design is a partial design and doesn’t claim color protection; the protection is in the shape of the claimed parts; color is only for distinguishing protection scope; the content in yellow in each view is for protection, the content in grey is not for protection.

1) The present invention relates to a gingival scalpel blade intended to provide precise control of the width and depth of the tissue to be removed. 2) Its standardised blades and integrated depth marker provide greater safety, efficacy and predictability in dental procedures. 3) This device reduces the duration of surgeries, minimises unnecessary tissue removal and protects adjacent structures, resulting in superior outcomes.

This utility model discloses a waterproof structure for the wiring of an ultrasonic surgical instrument transducer, comprising one or more wires and a housing for connecting the wires. The wires are wrapped with a smooth insulating layer, and a rigid first waterproof block is provided outside the insulating layer. The first waterproof block is seamlessly integrated with the insulating layer. Because the first waterproof block connected to the wires is rigid and seamlessly integrated with the wires, when the wires undergo an airtightness test, the rigid material of the first waterproof block prevents gas and liquid from passing through the gap between the first waterproof block and the wires due to the poor contractility of the wires inserted within it. This enhances the waterproof and airtight effect of the structure.

This utility model discloses a minimally invasive scalpel sharpening fixture, including a positioning block. The positioning block includes a mounting surface with multiple protrusions. A receiving groove for accommodating a scalpel holder assembly is formed between the protrusions. A limiting protrusion that abuts against the scalpel holder assembly is provided within the receiving groove. The positioning block has a contoured mounting hole, through which a contoured limiting rod passes. The contoured limiting rod has a limiting position that extends out of the mounting surface and a retracted position that is received within the contoured mounting hole. In use, when the contoured limiting rod is in the limiting position, it can cooperate to limit and fix the scalpel holder assembly; when the contoured limiting rod is in the retracted position, it can avoid and, through the limiting protrusion, limit and fix another type of scalpel holder assembly. Therefore, this sharpening fixture is adaptable to different types of scalpel holder assemblies.

The utility model discloses a kind of blood vessel and tissue separation knives, relate to scalpel technical field, including: handle and blade, the side of the blade is provided with cutting edge, the both sides of the cutting edge are asymmetric structure;The utility model makes the both sides of cutting edge asymmetric structure, makes both sides stress uneven when cutting, cutting resistance is smaller, and it is not easy to tear tissue;Because two sides are asymmetric, wear will not concentrate in the cutting edge of cutting edge, prolongs the service life of tool;And adapt to the composite cutting scene of different hardness tissue.

A kind of suction device for surgical instrument, it is easy to assemble, including embracing component and smoking component.The embracing component includes embracing piece and rotating nut, and embracing nut.The smoking component includes smoke exhaust cavity component, smoking pipe, locking nut, and smoke exhaust pipe.The suction device is arranged on scalpel, and the scalpel includes knife rod component.The embracing piece includes gripper hand, and is located on the wedge surface of gripper hand.When the rotating nut pushes the embracing nut towards the smoking component, the gripper hand moves along the wedge surface towards the inner wall of the embracing nut, and is inwards retracted to embrace the knife rod component.The smoking pipe is sleeved on the knife rod component.The smoking pipe, the smoke exhaust cavity component, the smoke exhaust pipe form a smoking channel for suctioning away smoke.

This invention relates to the field of medical device technology, and more particularly to a multifunctional surgical scalpel specifically for oncology, comprising: a handle and a connecting assembly disposed at the bottom of the handle; a mounting groove is provided at the end of the handle away from the connecting assembly; a suction assembly is disposed inside the mounting groove, the suction assembly including a suction tube, the suction tube being vertically fixedly installed in the middle of the mounting groove; an electrosurgical assembly is disposed inside the mounting groove, the electrosurgical assembly being slidably disposed on the suction tube; the electrosurgical assembly includes an electrosurgical rod and a sliding rod; the sliding rod is fixedly connected to the bottom end of the electrosurgical rod and slidably disposed inside the mounting groove; a telescopic component is provided at the bottom end of the sliding rod, the telescopic component being used to drive the electrosurgical assembly to slide; the telescopic component is provided with a locking component, the locking component being used to fix the position of the electrosurgical assembly. This invention promptly removes newly generated debris, greatly improving the continuity of surgery and the clarity of the surgical field.

This utility model relates to the technical field of medical devices, and in particular to an ultrasonic surgical aspiration device adapter, including a handle assembly and a blade module detachably connected to the front end of the handle assembly. The front end of the handle assembly is formed with various different angles, so that the ultrasonic scalpel can be formed with various different angles. Its beneficial effect is that by changing the angle of the handle, a corresponding ultrasonic scalpel can be obtained, allowing scalpels with different angles to share the blade module. Therefore, it also reduces the overall cost of the ultrasonic surgical aspiration device adapter, and enables more efficient and precise surgical operations, greatly improving the flexibility of the ultrasonic surgical aspiration device adapter.

The utility model relates to medical instrument technical field especially is a kind of scalpel quick replacement device, including handle, the outside of handle is provided with quick replacement assembly;The quick replacement assembly includes the scalpel plate slot of setting in the one end of handle, the middle part of scalpel plate slot is provided with irregular clamping block, the outer wall of irregular clamping block is embedded with scalpel, the middle part of scalpel is equipped with irregular slot, the inboard of one end of irregular slot close to handle is equipped with round groove, the inside of round groove is provided with connecting block, the side of connecting block is provided with spring, in the utility model, by designing a kind of scalpel quick replacement device, utilize the irregular slot of scalpel and be set in irregular clamping block middle part, by protruding clamping block and be set in irregular clamping block one end inside, fixed, simple structure, it is convenient to operate, it is convenient to scalpel quick replacement, to improve the speed of scalpel replacement scalpel.

The utility model relates to the technical field of scalpel preparation, in particular to a scalpel with an antibacterial coating, which comprises an antibacterial scalpel body, an anti-release mechanism is arranged on the left surface of the antibacterial scalpel body, the anti-release mechanism comprises a connecting steel rod, a cross-shaped groove is arranged on the left surface of the connecting steel rod, and the cross-shaped groove is arranged on the right surface of the connecting steel rod. A movable steel rod is slidably connected to the inner surface of the cross-shaped groove, round holes are formed in the front surface of the movable steel rod in a linear array shape, a disposable knife handle body is slidably connected to the inner surfaces of the round holes, and an elastic movable buckle penetrates through the upper surface of the movable steel rod and is slidably connected with the upper surface of the movable steel rod; through the arrangement of the elastic movable buckle, the elastic block, the F-shaped clamping rod and the disposable scalpel handle body, the disposable scalpel handle body can be conveniently installed, meanwhile, the disposable scalpel handle body can be conveniently disassembled, after an operation is finished, the function of disassembling the disposable scalpel handle body is achieved, and the scalpel handle of the scalpel is more convenient to replace.

A dual-energy scalpel includes a handle assembly, a conductive socket, an electrosurgical assembly, and an ultrasonic assembly. The ultrasonic assembly includes a transducer and a wire. The wire is connected to two poles of the ultrasonic assembly. The electrosurgical assembly includes a blade assembly and a second wire. The blade assembly includes a waveguide rod, an insulating tube, an inner sleeve, an outer sleeve, an upper jaw, and an ultrasonic blade tip. When the electrosurgical assembly is used, the wire of one pole of the ultrasonic assembly is disconnected, and the electrosurgical assembly borrows the one pole of the ultrasonic assembly. The second wire connects the outer sleeve to connect the other pole of the electrosurgical assembly. When the ultrasonic blade tip is clamped and cuts human tissue with the upper jaw, a complete circuit is formed, and the waveguide rod is insulated from the outer sleeve. The dual-energy scalpel is provided with the ultrasonic assembly and the electrosurgical assembly to realize a scalpel with both ultrasonic scalpel and electrosurgical scalpel functions.

The application discloses a combined debridement device for surgery, and relates to the technical field of medical devices, which comprises a device shell and a surgical cutter, the surgical cutter is fixedly inserted into the inside of the device shell, the bottom end of the surgical cutter is exposed from the device shell, and a debridement auxiliary mechanism is arranged on the surface of the device shell, the debridement auxiliary mechanism comprises guide shells arranged on the two sides of the device shell, a moving plate is slidably connected to the inside of the guide shell, a connecting branch is fixedly connected to the bottom end of the moving plate, a cutter support strip is fixedly connected to the bottom end of the connecting branch, the cross section of the cutter support strip is in the shape of an arc, a second screw rod is threadedly inserted into the top end of the moving plate, and a driven wheel is rotatably connected to the inside top end of the guide shell, so that the stability requirement of the operator using the surgical cutter in the process of removing necrotic tissues is higher, and the debridement operation threshold is higher.

The application belongs to the technical field of ultrasonic scalpel, and particularly relates to a long-distance type composite structure ultrasonic scalpel center rod. The application comprises a scalpel main body. The application is applied to single-hole supplementary surgery, adopts a long-distance type composite structure center rod, and is used for reducing indexes according to the difference in the length of the center rod. The stress elimination structure, longitudinal wave transmission structure, stress concentration structure, anti-overflow amplification structure, energy transition structure, amplitude quality balance structure, middle section anti-overflow structure, tail section anti-overflow structure, tail section anti-overflow structure, transverse wave control structure, end transition zone and high amplitude output structure can realize the effect that the energy of the front end center beam of the long-distance type composite structure center rod working surface is reduced by 8-12 dB than that of the rear end beam, so that the center static impedance is greatly reduced, the tissue is instantaneously dehydrated and coagulated, and the specification of the ultrasonic scalpel long single hole and robot surgery in the domestic and international markets is filled.

A safety suture kit has layers of simulated tissue that move and close semi-independently of one another. Prefabricated incisions in the various tissue layers and prefabricated pathways coupled to the prefabricated incisions provide for a blunted needle to travel through the prefabricated incisions and pathways in order to move the tissue layers towards a closed position of a prefabricated incision. Elimination of sharps instrumentation such as needles, scissors and scalpel provides a safety suture kit suitable for suture simulation by users of all ages and abilities.

1. Name of the product in this design: Ultrasonic High-Frequency Surgical Equipment. 2. Purpose of this design: To provide power for ultrasonic high-frequency surgical blades in medical surgical procedures. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model discloses a disposable sterile ophthalmic bag relates to medical instrument technical field, including sterile bag, the tray is sealed in sterile bag, and the tray is formed by left tray and right tray, and one side of tray is equipped with the connecting hinge for swing joint left tray and right tray, and the clamping groove for placing medical operation film is equipped between left tray and right tray, and the outer surface of right tray of left tray is equipped with a plurality of recesses for embedding and fixing disposable sterile ophthalmic scalpel, polyvinyl alcohol sponge, disposable sterile flusher, medical cotton ball, medical cotton swab, medical absorbent gauze piece, disposable medical cap, disposable surgical gown, bending dish, medicine cup and medicine bowl. The utility model can shorten the operation preparation time, improve the operation efficiency, can very good solution ophthalmic operation instrument's stability in the operation bag, can effectively ensure that the operation bag is effectively protected to medical instrument in the transfer, can reduce the risk of medical instrument damage.

1. Name of the designed product: scalpel blade. 2. Use of the designed product: for surgical operation. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 2.

FIELD: medicine.SUBSTANCE: invention relates to simulators for practicing skills of applying surgical sutures to the skin and techniques of tying surgical knots. The simulator includes a multi-layer cushion simulating human tissues, a simulation of vessels in the tissues, and has a rectangular shape with rounded edges measuring 20 by 15 cm and a height of 1.8 cm. The simulator is made of hypoallergenic polymers and contains four layers simulating human tissues - epidermis, dermis, subcutaneous fat, muscles. Vessels of various diameters, filled with a liquid imitating blood, run in the subcutaneous layer. A flap of PVC artificial leather having a skin texture, treated with liquid release wax IZHWAX SP, is placed on a platform with legs measuring 25 by 20 cm. A part in the form of a side 1.75 mm high, printed on a 3D printer, is placed on the flap. A nylon stretch mesh with a density of 110 g / m2 is stretched over the part. The stretch mesh is fixed to the platform with clamps. A part in the form of an outer side with 'ears' 17 mm high, printed on a 3D printer, is installed on the mesh. The entire structure is completely pressed against the base using clamps so that the nylon mesh remains stretched. Platinum silicone rubber of appropriate parameters is poured into a separate container. The components are mixed and coloured with a dye for epoxy resin, and after the last layer hardens, all the existing 3D-printed sides and other parts are separated. The excess stretch mesh is cut off.EFFECT: possibility of performing training of intramuscular injection, layer-by-layer dissection of the simulator layers with a scalpel down to the underlying layers and applying sutures in hard-to-reach places, in particular on the muscle layer, fascia, aponeurosis.1 cl, 1 dwg

The application discloses a kind of endoscope surgical knives for realizing stable cutting and blade collection by secondary push, to solve the problems of existing endoscope surgical knives, such as inconvenient operation and low reliability, which comprises a pipe fitting, an elastic telescopic push rod, a first limiting component and a second limiting component.A first limiting portion is provided on the inner wall of the pipe fitting.The elastic telescopic push rod is movably arranged in the pipe fitting, with a second limiting portion provided at one axial end and a blade provided at the end of the end portion, the other end is elastically connected with the pipe fitting, and the end is provided with an unlocking portion.The first limiting component is elastically movably connected with the pipe fitting, and has a locking end.The second limiting component is elastically movably connected with the pipe fitting, and has a driving portion and a matching portion.The driving portion is acted on by the unlocking portion, and the matching portion is matched with the first limiting component.The application is convenient to operate, and the state of the surgical knife can be guaranteed stable during operation, with high reliability.

This invention provides an insulating coating for surgical blades, relating to the field of coating preparation technology. The coating, by weight, comprises the following components: 0.1-3 parts boron oxide; 0.1-1 parts zinc oxide; 2-6 parts silicon dioxide; 0.1-1 parts aluminum oxide; 0.1-1 parts calcium oxide; 0.1-1 parts magnesium oxide; 0.1-0.5 parts titanium dioxide; 0.1-0.5 parts iron oxide; 2-5 parts potassium oxide; 0.1-3 parts sodium oxide; 1-10 parts cobalt black; and 20-60 parts water. The coating of this invention possesses advantages such as good anti-adhesion, high lubricity, high hardness, and high-temperature resistance. The preparation method of this invention is simple, the materials are readily available, and the process is green and environmentally friendly.

The present application relates to the technical field of surgical knives, and discloses a trabeculectomy knife with adjustable knife distance, which comprises a knife handle, a knife rod connected with the knife handle, and a knife head connected at the end of the knife rod, wherein the knife head is boat-shaped, has a knife tip and two side edges, the rear sections of the two side edges are connected and the front ends thereof meet at the knife tip, the knife head has a concave cavity, the concave cavity is provided with a chevron-shaped gap for separating the knife tip, a pair of parallel first sliding grooves are arranged in the side wall of the concave cavity, an arc-shaped plate is slidably arranged in the first sliding grooves, and the two parallel edges of the arc-shaped plate are respectively clamped in the two first sliding grooves. The trabeculectomy knife can realize mode switching of the knife head and width adjustment of the side edges by single-handed holding, the big thumb can accurately control power transmission by rotating the knob, the friction fit of the threaded transmission and the wedge structure ensures smooth movement without slipping, and the operation difficulty is reduced without the need for additional instrument assistance or double-handed operation.

This utility model discloses an ultrasonic scalpel handle, including a handle body and a power connection cable. The handle body has a mounting hole for connecting the scalpel. The power connection cable includes a conductive wire and a connector fixed at one end of the conductive wire. The other end of the conductive wire is electrically connected to a circuit element located in the handle body. The connector has a connection structure for connecting to an external power source. The connector can be inserted into the mounting hole. During cleaning and disinfection, inserting the connector into the mounting hole at the front of the handle body can seal the mounting hole, thereby preventing liquid from entering the inner cavity of the handle body from the mounting hole during cleaning and disinfection and causing damage to its internal circuit elements. This is not only convenient to operate, but also eliminates the need for a separate waterproof end plug, avoiding the problems of needing to store the waterproof end plug separately and being easily lost.

A surgical knife including indices corresponding to a measurement is disclosed, including a handle portion releasably connected to a blade. The blade includes a tip, a cutting edge, and a body portion. A plurality of indices are provided on a top of the body portion to enable the accurate measurement of a depth while utilizing the blade to make an incision.

This application relates to a cobalt-free titanium carbonitride-based cermet for surgical scalpels and its preparation method. The cobalt-free titanium carbonitride-based cermet for surgical scalpels of this application uses a cobalt-free Ti(C,N)-based cermet with a binder phase. It can achieve near-net-shape integration of the handle and blade through powder injection molding. Optimized material formulation and sintering process result in a scalpel that combines high sharpness, high toughness, excellent biocompatibility, and sterilization resistance, fully meeting the requirements for safety and precise operation in medical surgery.

The utility model relates to the technical field of ultrasonic operating knives, especially to a sawtooth ultrasonic bone knife and an ultrasonic operating handle, which comprise a rod body and a tool bit integrally formed at the head end of the rod body, the rod body comprises, in sequence along the direction from back to front, a base section, a first transition section, an amplitude variation section and a second transition section of an integral structure, the diameter of the first transition section is greater than that of the second transition section; further comprising cutting teeth integrally formed with the tool bit, a plurality of cutting teeth are continuously distributed on at least one edge of the tool bit in the width direction to form a first cutting section; the cutting teeth are symmetrical along the line connecting the tooth tip to the middle of the tooth root, so that the cutting force in the positive direction and the reverse direction can be balanced when the cutting section vibrates axially, and the beneficial effects are that the cutting teeth are symmetrical along the line connecting the tooth tip to the middle of the tooth root, the cutting force in the positive direction and the reverse direction can be balanced when the cutting section vibrates axially, and the cutting consistency of the first cutting section is improved when the ultrasonic bone knife vibrates, and the cutting effect is improved.