1282 results about "Forceps" patented technology

The pair of expandable foreign body forceps comprises an outer sleeve and a foreign body forceps body, a limiting assembly is arranged at one end of the outer sleeve, and an expansion assembly is arranged at one end of the outer sleeve; the expansion assembly comprises a first notch formed in one end of the outer sleeve, an expansion air pipe is arranged in the first notch, one end of the expansion air pipe is fixedly connected with an expansion air bag, one end of the expansion air pipe is fixedly connected with a three-way pipe, one end of the three-way pipe is fixedly connected with an injector, and one end of the three-way pipe is provided with an expansion valve. A rotating plate is rotationally installed on the outer surface of the cylinder, an arc-shaped plate is fixedly installed on one side of the rotating plate, and an anti-skid pad is fixedly installed on the inner surface of the arc-shaped plate. According to the pair of expandable foreign body forceps, foreign bodies can be blocked while an esophageal cavity is expanded through the arranged expansion assembly, so that the situation that the foreign bodies are pushed to deeper tissues is prevented, and the efficiency of taking out the foreign bodies by the pair of expandable foreign body forceps is improved.

The utility model relates to the technical field of medical instruments, in particular to a pair of anti-slip rotatable bent three-blade forceps with a suction function for laparoscopic surgery, which comprises a forceps seat, blades, an opening mechanism, a forceps tube, a rotating mechanism, an inner tube, a rotating wheel, a pull rod, a pull wire, a handle and a suction tube, the blade is connected with the clamp seat through an opening mechanism, a rotating opening is formed in the head end of the clamp pipe, the clamp seat is installed on the rotating opening, the inner pipe is located in a pipe cavity of the clamp pipe, a rotating hole is formed in the tail end of the clamp pipe, the inner pipe penetrates through the rotating hole, the head end of the inner pipe is connected with the clamp seat through a rotating mechanism, and the rotating axis of the clamp seat is perpendicular to the rotating axis of the inner pipe. The utility model has the advantages that the front end of the blade is provided with the arc-shaped hook claw, so that deep pelvic tissues can be firmly grasped, and slipping can be effectively avoided; the rotating wheel is operated to adjust the angle of the clamp seat at the rotating opening through the inner pipe and the rotating mechanism, so that the traction effect of the blades is improved; a special suction channel is arranged in the forceps tube and used for sucking smoke, blood and interstitial fluid generated in the operation process.

The utility model relates to a surgical electric coagulation forceps device which is characterized in that the surgical electric coagulation forceps device comprises two forceps piece assemblies which can move between a first position where the forceps piece assemblies are far away from each other and a second position where the forceps piece assemblies are close to each other, each forcep piece assembly is provided with a forcep handle at the near end, a forcep tip at the far end and a forcep rod located between the forcep handle and the forcep tip, and the forcep handle and the forcep rod are separately formed and connected with each other. The forceps have the beneficial effects that the forceps handle and the forceps rods are formed by being separated from each other and can be made of different materials, technologies and / or geometric structures, so that the respective special requirements of the forceps handle and the forceps rods are met.

The utility model discloses bipolar electrocoagulation forceps capable of adjusting directions. The bipolar electrocoagulation forceps comprise a handle part, a rotating unit and an operating part, the operating part is fixed at one end of the rotating unit, and the other end of the rotating unit is connected with the handle part; the operating part comprises a forceps rod with an insulating rod sleeve and electrocoagulation forceps mounted at the top end of the forceps rod, and a snake bone is arranged at the front end of the forceps rod; the rotating unit comprises an adjusting knob, a fixing buckle installed at the front end of the adjusting knob and a fixing cap matched with the fixing buckle. The handle part comprises a handle shell, an operation handle installed in the shell and a power transmission line connected with the conductive cable. According to the bipolar electrocoagulation forceps capable of adjusting the direction, the direction of the electrocoagulation forceps and the bending degree of the snake bone are adjusted through the adjusting knob structure of the rotating unit, meanwhile, the operating handle is adjusted to drive the conductive cable to enable the electrocoagulation forceps to be opened and closed, and an operator can rapidly change the working angle of the electrocoagulation forceps according to needs.

The invention provides a breast endoscopic surgery simulation training system. The breast endoscopic surgery simulation training system comprises a hardware end and a software end, the hardware end comprises a simulation human body model, and the software end is provided with a 3D mesh model corresponding to the simulation human body model; the simulation surgical instrument comprises a simulation electrotome, a simulation endoscope, simulation grasping forceps and a simulation incision protection sleeve, and the software end is provided with an electrotome model, an endoscope model, a grasping forceps model and an incision protection sleeve model which correspond to one another; the pose detection device is used for detecting the current pose of the simulation surgical instrument in real time and sending the current pose to the software end, so that interaction between the simulation surgical instrument and the simulation human body model is mapped to interaction between the instrument model and the 3D mesh model; the software end further comprises a display screen, and the display screen is used for displaying interaction between the instrument model and the 3D mesh model in real time. According to the scheme, breast endoscopic surgery training, teaching and research which are closer to a real surgery scene can be provided, so that the safety and the operation precision in an actual breast endoscopic surgery are improved.

The invention relates to the technical field of surgical instruments, in particular to operating forceps for temporal-mandibular arthroscopic glide membrane chondroma surgery, which comprise a forceps head assembly, a rotating sleeve, a fixed block, an arc-shaped rod, a gas-driven unit and an adjustable elbow, the forceps head assembly is a working end of the operating forceps; the rotating sleeve is of a cylindrical structure and is fixedly arranged at the tail of the tong head assembly. The fixed block is fixedly arranged at one end of the rotating sleeve away from the tong head assembly; one end of the arc-shaped rod is fixedly connected with the fixed block, and the axis of the arc-shaped rod and the axis of the rotating sleeve are collinear; the gas driving unit is arranged on one side of the arc-shaped rod and used for driving the arc-shaped rod to rotate around the axis of the arc-shaped rod. The adjustable bent pipe is arranged on the side, away from the tong head assembly, of the rotating sleeve. The device can meet the path requirement of a complex anatomical space, can improve the lesion tissue removal efficiency through angle adjustment, greatly reduces the secondary operation frequency, and gives consideration to the operation flexibility and the removal accuracy at the same time.

An extremely-miniature surgical operation instrument belongs to the field of medical instruments and comprises an outer rod component, a forceps head component and an outer tube inner pull rod, the outer rod component and the forceps head component can be detached from each other, and the outer tube inner pull rod is mounted in the outer rod component in a penetrating manner. The forceps head is driven to be opened or closed under the mechanical movement of the forceps seat inner pull rod, the outer rod assembly and the forceps seat are detachably installed, the outer inner pull rod and the forceps seat inner pull rod are detachably installed, the outer rod assembly comprises a first outer pipe and a reinforcing pipe embedded in the first outer pipe, and the reinforcing pipe is connected with the first outer pipe. The rigidity and the toughness of the micro-rod instrument are considered through the combination of the reinforcing tube and the outer tube.

The invention relates to the technical field of medical equipment, in particular to an angle-adaptive anterior cervical dilator. An auxiliary plier body is connected with a main plier body. The plurality of supporting rods are mounted at respective working ends; the self-adaptive opening assembly is used for automatically adjusting and fixing according to the intervertebral space of a patient, and comprises a sliding adjusting part which is fixed on the main forceps body and is used for opening the main forceps body and the auxiliary forceps body in a semicircular rotating direction; the hydraulic triggering part is installed in the main clamp body and acts on the sliding adjusting part so that the main clamp body and the auxiliary clamp body can be locked after the cervical vertebra of the patient is opened. The clamping blocks are driven through the hydraulic action to lock the piston block located in the inner cavity of the clamp body, and then the main clamp body and the auxiliary clamp body fix the intervertebral space at the current opening distance; the clamping distance adjusting assembly is designed, the auxiliary supporting rod and the ratchet bar are combined with the locking block with the rack structure to fix the auxiliary supporting rod, and the fixing device has the advantages of being good in fixing effect, high in flexibility and convenient to use.

The invention discloses 3mm-level micro rope-driven needle forceps for minimally invasive surgery, and belongs to the technical field of medical instruments, the needle forceps are composed of an instrument tube, an instrument base, an instrument wrist part, a forceps head and a superfine rope, and precise clamping and flexible rotation are cooperatively realized; the instrument tube is a hollow titanium alloy long rod and allows the superfine rope to penetrate through. The instrument base comprises a base connecting part and a forked cavity part, and the forked cavity part is provided with a superfine rope hole, an arc-shaped guide surface and an arc-shaped lug plate and is connected with the wrist part; the instrument wrist part is provided with a lug plate structure, a main body structure and a cross structure, the lug plate structure is provided with an annular groove and a shaft hole, the main body structure is provided with a superfine rope through hole, an additional material protrusion and a limiting swing angle, and the cross structure is provided with a protruding block, a limiting end and a limiting tong head; the clamp heads are two symmetrical clamp bodies, and clamp teeth are meshed in a crossed mode to improve stability. The superfine ropes are three sets of medical stainless steel ropes or tungsten wire ropes and drive the forceps head to be opened and closed and the wrist to rotate. The needle holding forceps are optimized in structure, accurate in operation, high in space adaptability and capable of meeting fine operation requirements of minimally invasive surgery.

The invention relates to the technical field of medical instruments, in particular to a breaking device for blood clots in a digestive tract, an inner guide shaft is arranged in a catheter in a penetrating mode, a breaking head comprises a breaking cutting strip connected between an end piece and the catheter, and the breaking cutting strip is in an initial state that the breaking cutting strip elastically stretches and is folded at the periphery of the inner guide shaft. The end of the crushing head extends into the digestive tract through one end of an endoscope clamp channel, the movable finger ring is pulled upwards in the length direction of the handle, the movable finger ring drives the inner guide shaft and the end piece to synchronously and transversely move, so that the crushing cutting strips are in the state of being elastically bent and opened outwards, namely the crushing head is in the shape of an opened lantern, and then the crushing cutting strips are crushed by rotating the handle or the movable finger ring in the axial direction. The crushing head is driven to integrally and synchronously rotate, the crushing cutting strip on the outermost ring can push away digestive tract mucosa tissue to prevent mucosa from being damaged, the crushing cutting strip on the inner ring rotates around the inner guide shaft at a low speed, blood clots are crushed through a rotary cutting method, and the crushing effect is good.

The utility model relates to the technical field of operating forceps production, and aims to solve the technical problem of insufficient detection precision. In order to solve the technical problem, the utility model provides the device for detecting the straightness and the curvature of the forceps head of the minimally invasive surgical forceps. A rotating assembly is connected to the top of one end of a base; the axis of a laser beam of the first laser measuring instrument is perpendicular to the axis of the forceps head of the operating forceps to be measured in an initial state, and the first laser measuring instrument is used for detecting the straightness of the forceps head of the operating forceps to be measured; the axis of a laser beam of the second laser measuring instrument is perpendicular to the axis of the forceps head to be measured in a set state, and the second laser measuring instrument is used for detecting the curvature of the forceps head of the operating forceps to be measured; the operating forceps fixing assembly is connected to the top of the other end of the base; a handle fixing assembly of the operating forceps fixing assembly is used for fixing a handle of the operating forceps; the rod body fixing assembly is used for fixing and supporting the rod part of the operating forceps. According to the utility model, the straightness and curvature of the tong head can be measured with high precision.

The utility model relates to the technical field of medical instruments, and discloses a pair of separating forceps for endoscopic thyroid surgery, which comprises a connecting tube, one end of the connecting tube is communicated with a mounting cylinder, a draw bar penetrates through the connecting tube in a sliding manner, two groups of forceps heads are rotatably mounted at one end of the draw bar, and the other end of the draw bar penetrates through the mounting cylinder and is provided with two groups of limiting blocks. A spring is connected between the top of the mounting cylinder and the closer set of limiting blocks, a rotating plate is rotationally mounted at the top of one side wall of the mounting cylinder, a bending frame is arranged on the side, away from the connecting pipe, of the rotating plate, and the side wall, away from the rotating plate, of the bending frame is located between the two sets of limiting blocks and internally provided with a sliding way matched with the traction rod to slidably penetrate through. Compared with the prior art, the separating forceps have the advantages that the rotating plate is pressed towards the direction of the mounting cylinder through the thumb, opening and closing of the two sets of forceps heads are achieved, fingers cannot be pressed in the operation process, and the separating forceps are convenient to take up in the operation process.

A self-removal device for intrauterine device (IUD) extraction is described that includes a housing having a proximal handle and a distal aperture, and a grasper mechanism with stationary and movable elements for engaging and securing IUD threads, wherein the grasper is actuated by a lever positioned at the housing. Systems are also described comprising the device and ancillary components such as locking elements, grips, linkage assemblies, as well as kit embodiments that may include visualization aids, light sources, forceps, measuring tools, and instructions for use. A patient using the device, with or without assistance, can independently or semi-independently remove an IUD using the device and system in non-clinical settings, optionally with remote digital guidance or confirmation.

The application relates to a rotary cutting type myocardial biopsy forceps, which comprises a sleeve assembly, a catheter and a handle assembly, the distal end of the handle assembly is connected with the proximal end of the catheter, and the distal end of the catheter is connected with the sleeve assembly; the sleeve assembly comprises a sleeve body, the proximal end of the sleeve body is connected with the catheter, the distal end of the sleeve body is provided with an open port, the inside of the sleeve body is slidably provided with a rotary cutting knife, the inside of the catheter is provided with a first driving member, the handle assembly is drivingly connected with the rotary cutting knife through the first driving member, so as to drive the rotary cutting knife to extend out of the sleeve body and cut myocardial tissue; the distal end of the sleeve body is movably provided with a closing assembly, the inside of the catheter is provided with a second driving member, the handle assembly is drivingly connected with the closing assembly through the second driving member, so as to control the closing assembly to selectively open or close the open port at the distal end of the sleeve body. The rotary cutting type myocardial biopsy forceps can accurately control the sampling depth, and the open port at the distal end of the sleeve body can be closed after sampling, so that myocardial cells are prevented from falling off.

The rotary cutting type myocardial biopsy forceps comprise a sleeve assembly, a catheter and a handle assembly, the far end of the handle assembly is connected with the near end of the catheter, and the far end of the catheter is connected with the sleeve assembly; the sleeve assembly comprises a sleeve body, the near end of the sleeve body is connected with the catheter, the far end of the sleeve body is provided with an opening, a rotary cutter is slidably arranged in the sleeve body, a first driving part is arranged in the catheter, and the handle assembly is in driving connection with the rotary cutter through the first driving part and used for driving the rotary cutter to stretch out of the sleeve body. The cardiac muscle tissue is subjected to rotary cutting; a closing assembly is movably arranged at the far end of the sleeve body, a second driving part is arranged in the catheter, and the handle assembly is in driving connection with the closing assembly through the second driving part and used for controlling the closing assembly to selectively open or close an opening in the far end of the sleeve body. The rotary cutting type myocardial biopsy forceps can accurately control the sampling depth, and the opening in the far end of the sleeve body can be closed after sampling, so that myocardial cells are prevented from falling off.

The invention discloses a pair of air bag type push-stripping operating forceps used in a laparoscopic surgery. The pair of operating forceps comprises forceps, a first rod body, a second rod body, a handheld piece, a knob, a fillable balloon and an air pipe, wherein the pliers are connected with the first rod body, the first rod body is rotationally connected with the second rod body, and the first rod body is connected with the handheld piece; the handheld piece is connected with the pliers through an opening and closing control structure; the fillable balloon is integrally connected with the second rod body and is connected with an external air source through an air pipe; the end, close to the first rod body, of the handheld piece is in threaded connection with the rotary knob, so that the rotary knob does linear movement relative to the first rod body when rotating, the rotary knob is connected with the second rod body through a traction assembly and an eccentric rotating assembly which are inserted into the first rod body in a penetrating mode, and the rotary knob drives the fillable balloon to do bending movement within a certain angle range. The operating forceps can achieve multiple purposes, the structure is simple, operation is convenient and fast, after the balloon is inflated, the liver or other organs can be pushed in a lossless mode, the organs are not damaged, and surgical operation can be efficiently carried out.

The utility model discloses a multi-hole concentric positioning device which comprises a platform, a working face is arranged on the platform, a push-out device is arranged on the working face, clamping pliers are arranged on the periphery of the working face, and a product A and a product B can be bonded and clamped through the clamping pliers. A vertical driving device is connected to the lower part of the push-out device and can drive the push-out device to vertically move on the working surface, and a combined product is taken out from the working surface after clamping combination; a plurality of locking pins are also arranged on the matching working surface; the locking pin is used for concentrically locking the product A and the product B into a whole, and the problems of dislocation of the product A and the product B and the like cannot occur even if the product leaves the working face. The multi-hole concentric positioning device is further matched with the platform to be provided with a suction cup above the platform, the suction cup is matched with the push-out device to achieve outward movement of the product composition above the platform, and physical operation of operators is better facilitated.

A guiding apparatus, system, method, and forceps device for facilitating placement of sutures in a surgical procedure. The apparatus including a shaft portion having a non-circular aperture extending laterally therethrough and a blade portion having a shank extending at an angle from the shaft portion and a blade having a blade aperture extending from the shank. The system includes a plurality of the apparatuses held substantially parallel by an elongated rod through the apertures of the shafts. The blade apertures guide the at least one suture to a desired location to pierce through a target body tissue.

A surgical device includes a forceps device that performs a bending movement and opening and closing movements of grasping portions of the forceps device, driven portions to which a driving force is transmitted from outside the surgical device, and plural cords, each being fixed to one of the driven portions, the cords transmitting movements of the driven portions to the forceps device. The forceps device performs one or both of the bending movement and the opening and closing movements when all or a portion of the cords are pulled.

The invention discloses a sliding block type tong head mechanism which comprises a jaw seat, a sliding block, a first tong claw and a second tong claw, the near ends of the two tong claws are connected with a base disc, the jaw seat is rotationally connected with the base disc, and the sliding block is connected with a traction rope, so that when the traction rope moves, the sliding block is driven to move in the jaw seat, and opening and closing of the tong claws are controlled; the problems that an existing gripper jaw is insufficient in opening force and cannot open tissue are solved, and the pair of forceps is simple in structure and easy to operate.

The invention relates to a head end mechanism and an endoscope comprising the same. The head end mechanism has an insertion direction, and includes: a lens whose optical axis intersects the insertion direction; the head end seat is connected to the lens, the head end seat comprises an instrument channel and a flushing channel which are arranged in the insertion direction, a far-end water outlet of the flushing channel is located in the near side of the lens, in the cross section of the insertion direction, the head end mechanism is provided with a flat radial direction perpendicular to the insertion direction and the optical axis, and the lens, the flushing channel and the instrument channel are sequentially arranged in the flat radial direction. The far-end water outlet is deflected to the lens relative to the instrument channel; the forceps lifting device is located on the far side of the instrument channel, the forceps lifting device can rotate relative to the head end base, and at least one part of the forceps lifting device can protrude out of the lens along the optical axis. According to the head end mechanism, a good view field is obtained, and meanwhile the situation that a lifted treatment instrument is obstructed with a flushing channel is well avoided.

The invention discloses a pediatric infant tracheal foreign body taking-out device in the technical field of pediatric oral cavities, which comprises foreign body forceps and an endoscope, and further comprises an inflatable outer pipe sleeve, an inner sleeve is arranged in the outer pipe sleeve, and a plurality of connecting rods are arranged between the inner sleeve and the outer pipe sleeve. Two ends of the connecting rod are fixedly connected with the outer wall of the inner sleeve and the inner wall of the outer sleeve respectively; a plurality of annular grooves are formed in the outer wall of the outer pipe sleeve in a linear array mode in the axis direction, liquid collecting grooves are formed in the inner bottom walls of the annular grooves in the circumferential direction, and a plurality of first adsorption holes are formed in the inner side walls of the liquid collecting grooves in an annular array mode. Friction force between the expanded outer pipe sleeve and the trachea of the infant is increased through the annular groove, meanwhile, when secreted liquid in the liquid collecting groove is sucked through the first adsorption holes, certain negative pressure is formed in the annular groove, the stabilizing force between the inner wall of the trachea of the infant and the outer wall of the outer pipe sleeve is further increased, and therefore the situation that the outer pipe sleeve slides due to disordered movement of the child is reduced; and the foreign body forceps fall off the protection range.

The present application provides an ERCP surgical robot system comprising: an endoscope, the endoscope action of which is electrically driven for extending into a body cavity and capturing an endoscope image, the endoscope action at least comprising lifting of a forceps lifter at the distal end of the endoscope; a treatment tool which is electrically driven in operation, is inserted from an insertion port of the treatment tool of the endoscope, is raised by the forceps raising device, and protrudes from a side surface of a distal end portion, and which comprises a guide wire capable of positioning a target site; the control device is used for controlling the endoscope action and the instrument action of the treatment instrument according to the endoscope image and / or the instrument state of the treatment instrument; and the visual interaction device is used for collecting and displaying the running state information of the control device and providing operation feedback. In the surgical operation process, the direction of a treatment instrument can be visually judged, the accuracy of intubation and treatment operation is improved, and medical staff can conveniently observe the surgical process and execute surgical operation in combination with multi-modal interaction.

The application provides a medical bipolar electrocoagulation forceps performance quantitative evaluation method, and belongs to the field of medical instrument performance detection. The method comprises the following steps: obtaining pinch force and clamping force data of the forceps at different time points in a working process; drawing a curve diagram of the pinch force and the clamping force changing with time; selecting the size of a slope mutation point in a pinch force rising stage as a pinch force compensation value in the curve diagram; selecting a region between the mutation point and a pinch force maximum point as an analysis region; calculating a ratio of the clamping force plus the compensation value to the pinch force in the region according to a physics force principle; if the ratio extreme value is in a set range, drawing a curve diagram of the pinch force and the ratio; and integrating the curve in the pinch force direction in the set range of the ratio to obtain a medical bipolar electrocoagulation forceps performance index. The application uses the medical bipolar electrocoagulation forceps performance index to quantitatively evaluate the performance of the medical bipolar electrocoagulation forceps, thereby making up for defects of existing bipolar electrocoagulation forceps performance evaluation methods.

The utility model relates to the technical field of clamping forceps, and discloses a pair of circular anastomat anvil head clamping forceps which comprises a clamping assembly, the clamping assembly comprises two main rods hinged to each other, forceps heads are arranged at the ends of the two main rods, clamping grooves are formed in the sides, close to each other, of the two forceps heads, and the two main rods are hinged to each other through the clamping grooves. An adjustable handle is arranged at the end, away from the forceps head, of the main rod and comprises two grab handles hinged to the main rod, and a connecting disc is arranged between the two grab handles. Through cooperative use of the clamping assembly, the adjustable handle and the limiting plate, hinging of the grab handle and the clamping assembly is achieved through the connecting disc and the forceps handle, the angle of the grab handle relative to the main rod can be adjusted according to needs, the clamping angle can be conveniently adjusted according to the operation habit of a doctor, the clamping accuracy is improved, and after clamping, the clamping angle can be adjusted conveniently. And the clamping position is locked through the limiting plate and the clamping column, loosening caused by misoperation is prevented, and the effects of flexible operation and stable clamping are achieved.

The invention relates to the technical field of medical instruments, in particular to superconductive low-temperature non-stick bipolar tweezers which comprise tweezers single pieces and a fixing shell, the two elastic tweezers single pieces are oppositely distributed, the fixing shell is arranged at one end, the two tweezers single pieces are clamped and fixed through the fixing shell, each tweezers single piece comprises a fixing part, a handle part, a supporting part and a tweezers tip part, the four parts are sequentially connected; a water conveying part is arranged among the fixing part, the handle part, the supporting part and the forceps tip part, the four parts are communicated through a water conveying pipe in the water conveying part, the water conveying part is connected with water conveying equipment, and cooling water stored in the water conveying pipe can cool the forceps tip part; the middle of the handle part is provided with a wire part, and the output end of the wire part is assembled with the forceps tip part and connected with high-frequency equipment through the wire part. According to the superconducting low-temperature non-stick bipolar tweezers, the risk that the bipolar tweezers adhere to human tissue can be reduced.

The present invention relates to a two-stage electrosurgical device for vessel closure. A forceps includes an end effector assembly having a first jaw having a tissue sealing surface and an electrode on the sealing surface and a second jaw having a tissue sealing surface and an electrode on the sealing surface. The first jaw and the second jaw move between an open position and a closed position. The sealing surface of at least one of the first jaw and the second jaw has a flexible inner section and a rigid outer section.

The application discloses a kind of head crescent boss processing methods of pin shaft structure bite cutting forceps, comprising the following steps: (1) the head of bite cutting bite cutting forceps is aged hardening;(2) the lower forceps tube of bite cutting forceps is clamped on five-axis engraving machine;(3) whether workpiece clamping on tool is in place is detected;(4) detection end mill, run program, carry out roughing to blank;(5) detection T-shaped milling cutter I, the wear condition of tool is detected in machine using tool detector, whether tool wear exceeds limit value is judged, if exceeding tool wear, machine tool automatically alarms, prompts operator to replace tool;(6) run program, outer circular surface is processed using T-shaped milling cutter I, (7) tool is replaced for T-shaped milling cutter II, T-shaped milling cutter II is detected again, and detection steps are as in step (5);(8) run program, inner circular surface is processed using T-shaped milling cutter II.The method can be processed crescent structure at a time, guarantee processing efficiency, precision and stability.

The right-angle separating forceps for the subclavian approach endoscopic surgery comprise a right-angle separating forceps head, a forceps rod, an inner rod, a rotating wheel, an operating handle and a fixing handle, the right-angle separating forceps head is installed at the front end of the forceps rod, and the inner rod is hinged to the rear end of the right-angle separating forceps head; the inner wall of the forceps rod is provided with an inner rod fixing groove, the outer side of the forceps rod is provided with a forceps rod rotating groove, and the rear end of the forceps rod is provided with a dismounting groove; fixing blocks are arranged on two sides of the middle part and are connected with the forceps rod, and a ball head is arranged at the rear end and is connected with the operating handle; a forceps rod clamping block is arranged in the rotating wheel and in an inner rod channel, and a channel opening is provided with a forceps rod clamping block clamped into the forceps rod rotating groove. The forceps are easy to disassemble, the forceps rod and the inner rod are detachable, and instruments can be thoroughly cleaned and disinfected conveniently; the clamp rod is matched with the rotating wheel, so that the clamping and separating range can be expanded; the flushing joint is vertically downward, so that the view at the upper end of the right-angle separation tong head is prevented from being blocked and the operation of a doctor is prevented; the tong head is a right-angle separating tong, so that fine operation in a narrow space is facilitated.

To enable a control body for controlling an end effector of a forceps device to be easily and properly attached and detached.SOLUTION: A forceps device comprises: an end effector capable of performing a predetermined operation on a target object; a shaft portion on which the end effector is disposed at a distal end side; a control body 63 connected to the end effector and inserted into the shaft portion; a chuck portion 9 which is slidable in an axial direction of the shaft portion and attachable / detachable to / from the control body 63 according to an axial position; and handles 81a, 82. The handles 81a, 82 are connected to the chuck portion 9, and by sliding the chuck portion 9 in the axial direction of the shaft portion, attachment / detachment between the chuck portion 9 and the control body 63 is operable, and further, by sliding the chuck portion 9 in the axial direction of the shaft portion, the end effector 7 can be operated via the control body 63 attached to the chuck portion 9.SELECTED DRAWING: Figure 13