1782 results about "Forceps" patented technology

The invention relates to the technical field of medical instruments, and provides electric coagulation forceps with an intraoperative nerve detection function and a control method for the electric coagulation forceps to automatically switch a nerve stimulation function and an electric coagulation function, and the electric coagulation forceps comprise a high-frequency excitation identification circuit, a controller and a nerve monitoring switching circuit. The high-frequency excitation identification circuit is used for generating a corresponding induction signal according to whether the high-frequency excitation signal is detected; the controller generates a first control signal, starts timing and determines target delay time after determining that the electrocoagulation cutting function of the pair of electrocoagulation forceps is converted from an on state to an off state according to the induction signal, and generates a first prompt signal to indicate the prompt device to generate first prompt information after the timing time reaches the target delay time; the user is prompted; the nerve monitoring switching circuit is used for responding to the first control signal and outputting a nerve stimulation signal of the nerve monitor through the forceps tips, so that the nerve tissue damage probability is reduced while automatic function switching is achieved.

The invention relates to the technical field of medical instruments, and discloses a pulling forceps type continuous-shooting hemostatic clip capable of turning, rotating and repeatedly opening and closing, the pulling forceps type continuous-shooting hemostatic clip comprises a hemostatic clip assembly and an inner guide assembly which are sequentially connected in an outer tube assembly, the hemostatic clip assembly comprises two hemostatic clips, a hemostatic clip transmission block and a hemostatic clip sleeve, and the front end of each hemostatic clip is provided with a buckling part; the rear ends of the two hemostatic clips are hinged to the front end of a hemostatic clip transmission block, a clamping part is arranged on the rear portion of the hemostatic clip transmission block, the hemostatic clip transmission block penetrates through the hemostatic clip sleeve, and the clamping part is connected with the buckling part of the adjacent hemostatic clip on the rear side in a clamped mode. An opening and closing mechanism for opening or closing the two hemostatic clips is arranged between the two hemostatic clips and the hemostatic clip sleeve; a protruding part is arranged on the outer side of the hemostatic clip sleeve, and a reducing part matched with the protruding part is arranged at the front end of the outer tube assembly. According to the hemostatic clip, tedious operation steps of a doctor can be reduced, operation time is saved, resource waste is reduced, operation efficiency is improved, and operation cost is reduced.

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 invention discloses an in-vivo foreign matter extraction device which comprises a basic part, a control assembly, a flexible pipeline and a pipeline head, the control assembly is arranged at the upper end of the flexible pipeline, the pipeline head is arranged at the lower end of the flexible pipeline, and the basic part is arranged in the flexible pipeline. The invention belongs to the technical field of medical equipment. The shape and the material of the foreign matter in the body of a patient can be clearly displayed through the endoscope, and a doctor selects the foreign matter forceps suitable for clamping the foreign matter by rotating the foreign matter forceps selection ring; the steel rope is pulled by operating the direction adjusting rod, and the steel rope pulls the head of the pipeline to rotate, so that a doctor can observe foreign matters in the body of a patient conveniently, foreign matter forceps can be operated to take out the foreign matters conveniently, and the selected foreign matter forceps are controlled by operating the finger handles to take out the foreign matters in the body of the patient.

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.

A detachable multi-loop traction device for insertion into a body through a forceps tube of an endoscope, in which when a diseased mucous membrane in the body is resected by an extracorporeal operation, the traction device is provided with a plurality of loops for traction of the diseased mucous membrane. The detachable multi-ring traction device is configured to be fixed to the lesion mucous membrane and a normal mucous membrane opposite to the lesion mucous membrane through clamps. The detachable multi-ring traction device is provided with a plurality of annular rings having a large circle and a small circle, and two adjacent rings are connected with each other in a manner of being connected with each other in the diameter direction of the large circle in a state that outer edge parts of the two adjacent rings are connected with each other.

Gripping forceps according to the present invention include a sheath which extends in a longitudinal direction; and a gripping portion which has a rod provided at a distal end of the sheath and extending in the longitudinal direction, a first jaw coupled to a proximal end side of the rod and being opened and closed toward a distal end side of the rod, and a second jaw coupled to the proximal end side of the rod on a side opposite to the first jaw with the rod sandwiched therebetween and being opened and closed toward the distal end side of the rod. The rod has a distal end portion which includes a first convex portion protruding to a first protrusion side toward the first jaw.

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.

Forceps including a housing, a first body, a second body and a drive shaft. The first body has a passageway extending therethrough. The drive shaft extending through the passageway and connected to the first body such that the first body and the drive shaft are slidable with respect to the housing to drive jaws located at a distal portion of the drive shaft between an open position and a closed position. The second body having a second passageway. The drive shaft extending through the second passageway such that the second body is guided by the drive shaft and is slidable relative to the first body and the drive shaft to displace a blade shaft between a retracted position and an extended position.

The utility model discloses bracket clamping forceps with a photocuring lamp, and relates to the technical field of oral tooth orthodontics. The bracket clamping forceps with the light curing lamp comprise forceps bodies, the forceps bodies comprise the left forceps body and the right front body, the lower end of the left forceps body and the lower end of the right forceps body are provided with a left clamping part and a right clamping part respectively, the right clamping part and the left clamping part can clamp a bracket when being separated, the light curing lamp is installed on the side face of a right straight plate, and the right straight plate is provided with the light curing lamp. And the light curing lamp is used for irradiating the adhesive between the teeth and the bracket and fixing the bracket on the teeth. According to the bracket clamping forceps with the light curing lamp, the light curing lamp is arranged on the side surface of the straight plate at the front end of the bracket clamping forceps, so that the bracket clamping forceps can cure an adhesive between teeth and a bracket.

The invention discloses a pair of surgical clip running-firing ligature forceps which comprises a fixed handle, a handle, a push-pull rod, a clip bin rod and a forceps head, surgical clips are arranged in the clip bin rod, the ligature forceps further comprise an outer sleeve arranged outside the clip bin rod in a sleeving mode and a clip pushing elastic piece arranged on the clip bin rod in a sliding mode, and a transverse cylinder is formed at one end of each surgical clip; a plurality of push-out elastic pieces obliquely extending towards the front end of the inner wall of the bin clamping rod are formed on the push-clamp elastic pieces, push-out limiting openings which are integrally in a semi-arc shape and abut against and limit the transverse column body are formed in the front ends of the push-out elastic pieces, and a plurality of anti-retreating elastic pieces obliquely extending towards the front ends of the inner walls of the push-clamp elastic pieces are formed on the bin clamping rod. The front end of the anti-retreating elastic piece is provided with an anti-retreating limiting opening which is integrally in a semi-arc shape and abuts against and limits the transverse column body. A plurality of surgical clips can be contained and accurately and stably pushed out, falling is prevented, the safety of an operation is effectively improved, the triggering design of the handle is beneficial for a user to control the pushing-out condition, and the operation is facilitated.

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 utility model relates to the field of medical instruments, and discloses a tissue suction assembly and a surgical robot system.The tissue suction assembly comprises a suction tool which comprises a suction catheter and a suction cup arranged at the far end of the suction catheter; the clamping tool comprises an arm body and a clamp arranged at the far end of the arm body, the clamp is used for clamping the suction catheter, and the arm body is used for driving the suction catheter to move. Suction force can be evenly applied to the surface of a tissue or an organ through the suction cup, the tissue or the organ can be attracted more firmly, the suction force applied to the surface of the tissue or the organ is softer, the situation that the tissue or the organ is damaged due to the fact that a rigid instrument directly clamps the tissue or the organ is avoided, and the use process is safer.

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 provides a decoupling RCM mechanism optimization and modular instrument fusion ophthalmic surgical robot which comprises a surgical instrument quick change module, a novel decoupling RCM mechanism and a position adjusting mechanism, and the position adjusting mechanism is used for adjusting linear motion of the novel decoupling RCM mechanism in the X direction, the Y direction and the Z direction. The novel decoupling RCM mechanism is characterized in that the novel decoupling RCM mechanism comprises a deflection base, an FH rod, an AC rod, a BD rod, a CE feed driving linear module, a GI rod, an HJ rod, an MN pitching driving linear module, an HI rod, an IK rod and a connecting flange; the AC rod and the BD rod are equal in length. According to the novel ophthalmologic surgical robot integrating decoupling RCM mechanism optimization and modular instrument, various surgical instrument modules can be rapidly installed and replaced, and the ophthalmologic surgical robot comprises an intraocular illumination module, an electric microforceps module, an injection needle module and the like. RCM mechanism rigidity-size collaborative optimization is carried out on the novel ophthalmic surgical robot integrating decoupling RCM mechanism optimization and modular instrument optimization, compared with the maximum deformation before optimization, the maximum deformation is reduced by 70%, and the overall length is reduced by 28%.

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.

The invention discloses a pair of controllable laparoscope dripping bipolar electric coagulation forceps, which belongs to the technical field of medical instruments and comprises a hollow grip connected with a rotating component. The rotating assembly is provided with an electric coagulation forceps assembly; the electric coagulation forceps assembly comprises an electric coagulation assembly, a liquid spraying assembly, a quick connection assembly and an opening and closing assembly, the electric coagulation end of the electric coagulation assembly is installed at the opening and closing end of the opening and closing assembly, the power connection end of the electric coagulation assembly is fixedly connected with the opening and closing assembly, the end, away from the electric coagulation assembly, of the opening and closing assembly is fixedly connected with the quick connection assembly, and the opening and closing assembly is connected with the liquid spraying assembly. The opening and closing assembly is in threaded connection with the rotating assembly; the liquid spraying assembly is communicated with a liquid inlet assembly; the electrocoagulation assembly is provided with a power supply assembly; the quick connection assembly is connected with a quick connection type driving assembly; the quick connection type driving assembly is connected with a locking assembly; by means of the mode, the peritoneoscope catheter is suitable for the operation condition of a peritoneoscope, local temperature can be reduced, generation of eschar is reduced, surrounding tissue is protected, working efficiency is improved, and operation prognosis is improved.

A clamping system for use during a surgical procedure and the clamping head used in such a system. The clamping system includes a clamp head, forceps, and a mechanical actuator. The clamp head has a housing, a first jaw and a second jaw. The first jaw is attached to the housing with a hinged connection. A removable retention clip maintains the hinged connection. A ring clamp is provided on the forceps that opens and closes with the forceps. The ring clamp receives and retains the housing of the clamp head. The ring clamp can be closed around a neck of the housing across a wide range of approach angles. A mechanical actuator is attached to the forceps. The mechanical actuator has an elongated shaft that aligns with the clamp head when the ring clamp is closed around the tubular neck of the clamp head.

The utility model discloses a pair of multifunctional pliers, and belongs to the technical field of operation tools. The forceps comprise a first forceps handle; the second forceps handle is hinged to the front end of the first forceps handle; the plier head is detachably connected to the hinged position of the first plier handle and the second plier handle; and the accommodating space is arranged on the first plier handle and / or the second plier handle, and an auxiliary tool is detachably connected into the accommodating space. According to the multifunctional pliers, the plier head is detachably connected to the hinged position of the first plier handle and the second plier handle, and the plier head and the plier handles can be independently separated and replaced. During operation, operation of different types of plier heads can be achieved only by carrying one multifunctional plier and a plurality of plier heads, and therefore the purpose of reducing the carrying weight is achieved. Besides, the first plier handle or the second plier handle is provided with the containing space, common auxiliary tools are contained in the containing space, when the plier is used, the auxiliary tools can be directly taken out from the containing space of the plier, and more other tools can be carried in the saved space.

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 utility model discloses an ear tag device for animal husbandry veterinary, which belongs to the technical field of animal husbandry, and comprises an ear tag forceps body, the ear tag forceps body comprises an upper clamping plate and a lower clamping plate which are mutually hinged, an ear tag needle is fixedly connected inside one end of the upper clamping plate, a male tag is sleeved on the outer circular surface of the ear tag needle, and a limiting mechanism is arranged on one side of the upper surface of the lower clamping plate. A U-shaped notch is formed in the other side of the upper surface of the lower clamping plate, the lower clamping plate is provided with a female label through a limiting mechanism, and a correcting mechanism is arranged at the end, close to the U-shaped notch, of the lower clamping plate. According to the device, after the female label is limited by the U-shaped pressing plate, the electric telescopic rod can be started to be in an extension state, so that the correction supporting plate limits and clamps the female label, the female label is located under the male label at the moment, the position of the female label does not need to be manually and repeatedly adjusted, and the central axes of the male label and the female label can be located on the same horizontal plane; the operation process is simple and rapid, and the work efficiency of the whole ear tag is effectively improved.

The invention relates to the technical field of medical instruments, in particular to a pair of capsular scissors for cataract surgery, which comprises a first rod body, a second rod body, a first blade, a second blade, a connecting assembly, a first elastic sheet, a second elastic sheet, a rotating assembly and a telescopic assembly. Through cooperation of the connecting assembly and the rotating assembly, the force application angle during operation is changed, a cornea incision needing to be formed is reduced, subsequent patient recovery is facilitated, the situation that the cornea incision is enlarged due to vertical opening and closing of conventional capsulorhexis scissors is prevented, and the problem that capsulorhexis forceps are difficult to control the size and position of the capsulorhexis incision can be solved; compared with the prior art, the capsular membrane can be cut more accurately, the size is controllable, the cutting edge is smooth, follow-up patient recovery and surgical operation are facilitated, the operability when the cutting angle is reduced is ensured through the telescopic assembly and the elastic piece, the surgical accuracy is improved, and damage to intraocular tissue in the surgical process is prevented; and the safety and the effect of the operation are improved.

The utility model discloses a pair of adjustable nerve bruise forceps with pressure sensing function, which comprises a first forceps body, a second forceps body and a bruise clip, one end of the forceps body far away from a user is provided with a buckle, the buckle is connected with the bruise clip, and the first forceps body and the second forceps body drive the bruise clip to close after applying external force so as to bruise nerves. The bruise clamp is provided with various types of adaptive buckles, the bruise width of the nerve bruise clamp is adjusted to adapt to different experiment requirements and requirements of experiment objects, a pressure sensor is arranged at the position, close to the buckles, of the clamp body, the pressure sensor sends a sensing signal to a controller, an operator can control own force through a display screen of the sensor, and the operation is convenient. And the nerve injury degree is kept consistent. The dependence of the crushing degree on an operator is reduced, the operation fatigue is relieved, and a more accurate, scientific and efficient medical instrument is provided for animal experiment modeling of nerve crushing injuries.

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.