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

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

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.

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

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

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

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

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

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

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

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

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

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

The utility model discloses a surgical knife with a visual function, and relates to the technical field of medical instruments. The surgical knife with the visual function comprises a mirror tube and a handle arranged at the rear end of the mirror tube. The endoscope tube comprises an outer sleeve and an inner sleeve. A cutter assembly is arranged in the inner sleeve, and the front end of the cutter assembly extends to the outside of the endoscope tube. And an electronic endoscope and a lighting piece are arranged at the front end part of the endoscope tube between the outer sleeve and the inner sleeve. According to the surgical knife with the visual function, the surgical knife and the electronic endoscope are integrated together, so that the operation can be completed by a single hand.

The invention discloses a scalpel facilitating waste discharge, and relates to the field of medical instruments. The scalpel facilitating waste discharge comprises a scalpel holder, an outer scalpel assembly and an inner scalpel assembly. The outer cutter assembly comprises an outer cutter pipe, an inner cavity, a waste containing opening, a waste discharging opening and a water spraying module. The inner knife assembly comprises an inner knife tube, a driving module, a first communicating port and a second communicating port; the inner cutter pipe can shield the waste containing opening or be separated from the waste containing opening in the sliding stroke of the inner cutter pipe, and when the inner cutter pipe shields the waste containing opening, the second communicating opening communicates with the waste discharging opening. According to the scalpel, cut tissue chips can be directly discharged from the waste discharge port, the whole scalpel does not need to be taken out, the operation efficiency is improved, and secondary injury to a patient can be prevented; meanwhile, before the scalpel extends into the body of a patient, air in the inner cavity can be emptied through normal saline sprayed out of the water spraying module, and air blockage caused by the fact that the air enters the ventricle is effectively prevented.

The invention provides a scalpel, relates to the technical field of medical instruments, and is used for solving the problems of high failure rate caused by disinfection of a whole scalpel and high use cost caused by incapability of repeated use in related technologies. The scalpel comprises a sterile bin body, a driving device, a conversion fixing mechanism and a cutter, the driving device is detachably arranged in the sterile bin body, and a sealing cover is arranged at a first port of the sterile bin body; a fixing seat of the conversion fixing mechanism is connected to a second port of the sterile bin body, a conversion connecting shaft is rotationally arranged in the fixing seat, the two ends of the conversion connecting shaft are connected with a rotating shaft of a driving device and a mounting part of a cutter respectively, and the driving device drives the conversion connecting shaft to rotate and drives the cutter to rotate synchronously; the first sealing piece of the conversion fixing mechanism is arranged on the outer circumferential wall of the conversion connecting shaft in a sleeving mode and abuts against the inner circumferential wall of the fixing base, sealing of the second port is achieved, the driving device is detachably arranged in the closed sterile bin body, and the driving device is repeatedly used while the sterile requirement is met.

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.

1. The name of the design product: the main body of a scalpel (ophthalmology). 2. The use of the design product: the product as a whole is a tool for ophthalmic surgery, and the part to be protected is the main body of the scalpel. 3. The design points of the design product: the shape drawn in solid lines. 4. The picture or photo that best indicates the design points: perspective view. 5. Other circumstances that need to be explained: in each view, the part drawn in solid lines is the part to be protected, and the part drawn in dashed lines is not the part to be protected.

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.

The utility model discloses a spinal cord semi-cutting positioning device with a dura mater protection function, which comprises a semi-cutting positioning structure and a dura mater protection sheet, and is characterized in that the semi-cutting positioning structure comprises a mounting frame, a lifting driving module mounted on the mounting frame and a positioning guide pin mounted below a telescopic rod of the lifting driving module; the lifting driving module drives the positioning guide pin to lift; the dura mater protection sheet is in a lifting hook shape, an inner hook section and an outer arm section integrally connected with the inner hook section are formed, a depressed position of the inner hook section is a marrow containing groove so that the dura mater can be cut open, the dura mater protection sheet enables the inner hook section to stretch into an incision, after the spinal cord is placed in the marrow containing groove, the lifting driving module drives the positioning guide needle to descend, and then the dura mater is cut. The positioning guide needle is inserted into a central shaft of the spinal cord until the positioning guide needle abuts against the marrow containing groove. When the positioning guide needle punctures the spinal cord and the scalpel cuts down along the positioning guide needle, the dura mater can be protected by the dura mater protection sheet.

The invention discloses an ultrasonic scalpel handle sterile connecting sleeve, and relates to the technical field of medical instruments, the ultrasonic scalpel handle sterile connecting sleeve comprises a fixing cylinder, a sealing member, a fixing member and a protective sleeve, the protective sleeve is used for sterile protection of the tail part of a scalpel handle part and a cable thereof; the bottom of the fixing cylinder is provided with an opening used for buckling the fixing cylinder on the tool bit part, and the opening enables the fixing cylinder to form a semi-open type inverted-U-shaped cover-shaped structure. The sealing piece comprises an air bag ring which surrounds the edge of the opening by a circle and is embedded in the fixing cylinder, and an inflation piece used for inflating the air bag ring. The fixing piece comprises a first pull rope used for hanging the front end of the tool bit part, a second pull rope used for hanging a handle of the tool bit part and a positioning piece used for abutting against the top face of the tool bit part. The fixing cylinder is buckled at the top of the handle of the scalpel head part, and a gap is filled through the air bag ring, so that the ultrasonic scalpel is adaptive to various ultrasonic scalpels, and the adaptability is higher; the fixing cylinder is tensioned and fixed on the tool bit handle through the two pull ropes, traditional binding is replaced, and operation is easy and convenient.

The utility model relates to the technical field of biological experiments, and discloses a simple rat and mouse skin drag hook which comprises a drag hook body, and the drag hook body serves as an integral part of the whole drag hook, serves as a main basic component of surgical operation and is further used for assembling and bearing a lower structural component which the drag hook body belongs to. The skin hooking area is used as a skin hooking function part of the whole retractor body during an operation; the two combination areas are used as parts with a supporting function during storage and placement; the hanging area is used as a fixing part during surgical operation; and a suspension assembly. According to the utility model, in rat or mouse experimental research, a scalpel is used for cutting open the skin surface, an operator pinches the hanging area to penetrate the skin hooking area into the skin to stretch so as to expand space, a needle tube penetrates through the inner side of the hanging area, and the needle tube is inserted into a table top, so that the drag hook body can be fixed, or the drag hook body is fixed by a pull rope; assistants are not needed, the operation space is enlarged, and the operation is more convenient.

The application belongs to the technical field of medical devices, and particularly relates to a medium-range type composite structure ultrasonic surgical knife center rod. The application comprises a surgical knife main body, wherein the surgical knife main body is provided with a first center rod section, a second center rod section, a third center rod section, a fourth center rod section, a fifth center rod section, a sixth center rod section, a seventh center rod section, an eighth center rod section and a ninth center rod section, and the ninth center rod section is connected with the surgical knife main body. The application is applied to a laparoscopic surgery, adopts a medium-range center rod, realizes the effect that the front end center beam of a working surface of the center rod is 10-15 dB lower than the rear end beam, thereby greatly weakening the concentrated output of the center beam tip energy, eliminating the static impedance reduction of the center whole, reducing the energy consumption (surgical knife rod self-heating reduction) of the center rod itself during work, greatly optimizing the minimum emission response of the center rod, and greatly improving the effect of the center rod during cutting and hemostasis.

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.