37 results about "Bipolar electrocoagulation" patented technology

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 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 discloses a pair of bipolar electric coagulation forceps, which comprises a connecting seat, a left forceps handle and a right forceps handle, wherein the rear end portion of the left tweezers handle and the rear end portion of the right tweezers handle are both connected to the connecting base, a left tweezers tip is arranged at the front end portion of the left tweezers handle, a right tweezers tip is arranged at the front end portion of the right tweezers handle, the left tweezers tip and the right tweezers tip are oppositely arranged, and the left tweezers handle and the right tweezers handle are respectively sleeved with an anti-skidding sleeve. The anti-skidding sleeve is arranged, the anti-skidding effect can be improved, the anti-skidding sleeve can be stably grasped to avoid skidding, the anti-skidding sleeve is firmly connected, and loosening and falling can be avoided.

The pair of cooling anti-sticking bipolar electric coagulation forceps comprises two core bodies, forceps tips are formed at the tail ends of the core bodies, and cooling fluid channels extending to the forceps tips from the ends, away from the forceps tips, of the core bodies are formed in the core bodies; each forceps tip comprises a connecting section located at the near end and a working section located at the far end. At least one water outlet communicated with the cooling fluid channel is formed in the electrocoagulation surface of the connecting section; a hollow heat dissipation channel is formed in the working section, and a plurality of heat dissipation micropores communicated with the hollow heat dissipation channel are formed in the non-electrocoagulation face of the working section. According to the invention, a dual heat dissipation mechanism is formed through a passive heat dissipation system formed by the hollow heat dissipation channels and the heat dissipation micropores and an active cooling system formed by the cooling fluid channels and the water outlets; according to the electric coagulation forceps, the water outlet and the heat dissipation micropores are arranged in a partitioned mode, targeted cooling of the electric coagulation face is achieved, the temperature of the forceps tips is effectively reduced, tissue eschar attachment is prevented, and the use efficiency and safety of the electric coagulation forceps are improved.

This invention discloses a bipolar electrocoagulation forceps with internal anti-adhesion and external insulation in the field of electrocoagulation forceps technology. It includes two sets of forceps bodies symmetrically arranged on the left and right sides and insulating strips. The rear ends of both sets of forceps bodies are fixedly mounted on an electrode holder, and the front ends of both sets of forceps bodies are provided with conductive tips. The two sets of insulating strips are located on the outside of the two sets of forceps bodies, and the rear ends of both sets of insulating strips are fixedly mounted on the electrode holder. A limiting component is installed between the insulating strips and the electrode holder to limit the movement range of the insulating strips. This invention solves the problems of existing bipolar electrocoagulation forceps, which are difficult to effectively block surrounding human tissue during actual operation, and the risk of accidental injury to surrounding human tissue on the outside of the heated bipolar electrocoagulation forceps. Furthermore, when using high temperatures generated by current for hemostasis, tissue coagulation can easily cause adhesion to the inside of the bipolar electrocoagulation forceps, increasing the risk of blood vessel re-rupture when the forceps are opened.

The embodiment of the utility model provides a multi-mode operation electrode used under the abdominal cavity, and relates to the field of medical equipment, the multi-mode operation electrode comprises an operation handle, a sheathing canal, an inhaul cable, a bipolar electrocoagulation clamp assembly and a monopolar electrocoagulation hook; the sheathing canal is connected with the operating handle, and the operating handle is connected with the bipolar coagulation forceps assembly through the inhaul cable and used for controlling the bipolar coagulation forceps to be opened or closed; at least one of the bipolar electrocoagulation clamp assembly and the monopole electrocoagulation hook is in sliding fit with the sheathing canal, so that the monopole electrocoagulation hook or the bipolar electrocoagulation clamp assembly can extend out of the far end of the sheathing canal and work independently. Through the design of the operation electrode, the difficulty of switching different instruments in the operation process can be reduced, the time is shortened, the operation efficiency is improved, the infection risk is reduced, and the operation success rate is improved.

The invention discloses a pair of reusable bipolar electrocoagulation forceps, and belongs to the technical field of electrosurgical operating instruments. According to the bipolar electrocoagulation forceps, the first shell and the second shell can be detachably connected through the magnetic attraction assembly, the actuator assembly is arranged at the far end of the rod assembly, and the forceps rod driving mechanism and the cutter rod driving mechanism of the control assembly are arranged on the support, so that after the bipolar electrocoagulation forceps are used, the shell assemblies can be rapidly disassembled, and the operation is convenient. The rod assembly of the integrated structure is detached from the support, so that the forceps head and the cutting blade are more convenient to clean, sterilize and disinfect; besides, the cutting mechanism, the forceps rod and the outer rod are nested and connected into an integrated structure from inside to outside, the forceps rod driving mechanism is in transmission connection with the part, exposed out of the outer rod, of the forceps rod, and the cutter rod driving mechanism is in transmission connection with the part, exposed out of the forceps rod, of the cutter rod. On the other hand, the control assembly can control the cutter bar and the forceps rod more stably and reliably.

The application relates to the technical field of medical devices, in particular to a bendable bipolar electrocoagulation forceps with a holding structure; the bipolar electrocoagulation forceps comprises a handle assembly, an electrode assembly, a control assembly, a bending assembly and a forceps head assembly, the electrode assembly comprises an electrode tube, an outer conductive tube and an inner conductive rod, the control assembly comprises a fixing seat, a rotating unit and a mounting seat arranged in sequence, the control assembly is installed at one end of the handle assembly through the fixing seat, a handle is arranged at the other end of the handle assembly, the outer conductive tube of the electrode assembly is arranged in the mounting seat and extends out, the electrode tube is arranged in the handle assembly and is electrically connected with the outer conductive tube, the two ends of the bending assembly are connected with the outer conductive tube and the forceps head assembly respectively, one end of the inner conductive rod is connected with the forceps head assembly, and the other end of the inner conductive rod is connected with the handle for controlling the opening and closing of the forceps head; the rotating unit is further provided with a function tube connected with the bending assembly; the application can make the bending process of the surgical instrument more stable, the current conduction more reliable and the operation more convenient.

The invention relates to a medical instrument, in particular to the technical field of instruments special for brain diseases, in particular to a multifunctional surgical instrument special for an endoscope, and provides the multifunctional surgical instrument special for the endoscope aiming at the problem that instruments with different functions need to be replaced during an operation of an existing endoscope. The outer surface of the electronic endoscope is sleeved with an operation inner tube, a quick-release knob is arranged on the operation inner tube, a first channel is formed in the electronic endoscope, an aspirator is arranged in the first channel, a second channel is formed in the aspirator, and a bipolar electrocoagulator is arranged in the second channel; when in use, the electronic endoscope is inserted into the surgical inner tube, the quick-release knob is tightened to clamp the surgical inner tube, then the surgical inner tube is inserted into the skull of a human body in place, the quick-release knob is loosened to withdraw the electronic endoscope, and a surgical channel is established; according to the instrument, the ventriculoscope body, the suction module and the 3D imaging module channel are integrated, various split instruments do not need to be frequently replaced, and the number of times that the instruments enter and exit from the cranium is reduced.

The invention provides a novel forceps head structure of bipolar coagulation forceps, which belongs to the technical field of medical instruments, and comprises a fixed forceps head, a second forceps head and a third forceps head, the movable tong head comprises a second working part; the supporting body is made of an insulating material; the movable tong head is rotationally connected to a rotating point arranged on the supporting body; the rotating point is not in contact with the fixed tong head; the second working part can be attached to or separated from the first working part through rotation of the movable tong head. The rotating point of the movable tong head is supported outside the fixed tong head through the supporting body and is far away from the fixed tong head as much as possible, the physical distance between the rotating point of the movable tong head and the movable tong head access point of the fixed tong head access end is directly increased, and it is ensured that current preferentially flows to the effective action area where the second working part makes contact with the first working part; the creepage distance is prolonged, so that the resistance of current creepage along the insulating surface is increased, thereby avoiding hidden short circuit caused by insufficient creepage distance, and further enhancing the electrical isolation effect between the two electrodes.

An adjustable bipolar electrocoagulation forceps, including a shell, a bipolar outer tube, a bipolar forceps, a bipolar inner core, bipolar positive and negative electrode wires, a tail, the bipolar forceps is arranged in the bipolar outer tube and is extruded by the tube wall of the bipolar outer tube, the forceps tip of the bipolar forceps is partially exposed from one side of the bipolar outer tube and the bipolar inner core, the tail is arranged on the other side outside the shell, the bipolar positive and negative electrode wires are connected with the positive and negative poles of the bipolar forceps, the shell is composed of an upper cover and a lower cover, the upper cover is provided with a sliding groove, the shell is further provided with an adjusting assembly, the adjusting assembly is composed of an adjusting screw, a fixed block, a spring, a tube core pin and a bipolar outer tube push block, the tube core pin penetrates the bipolar inner core and the bipolar outer tube, the bipolar outer tube push block is connected with the bipolar outer tube in a nested manner through the tube core pin, the spring is sleeved on the bipolar outer tube and is in contact with the bipolar outer tube, the fixed block is installed on the bipolar forceps and is arranged in the shell, and the adjusting screw is in contact with the bipolar outer tube push block through the sliding groove and the fixed block.

The invention discloses a quick release mechanism for rod forceps and bipolar electrocoagulation forceps, and belongs to the technical field of electrosurgical operating instruments. According to the quick release mechanism for the rod forceps, an actuator assembly is arranged at the tail end of a rod assembly and comprises a clamp at least used for making contact with tissue, a rotary knob is arranged at the other tail end, away from the actuator assembly, of the rod assembly in a sleeving mode, a quick release assembly is connected into the rotary knob, and the quick release assembly comprises an excitation piece and a locking base; the rod assembly is at least partially inserted into the locking seat, the excitation part can slide relative to the locking seat, so that the excitation part has an unlocking state and a locking state, when the excitation part is in the locking state, the rod assembly and the excitation part are in locking fit, and the knob can drive the rod assembly to rotate; when the excitation piece is in the unlocking state, the rod assembly can be detached from the locking base, the detaching process is more convenient and faster, and operation is easy.

The utility model relates to the technical field of medical instruments, in particular to novel controllable dripping bipolar electric coagulation forceps which comprise two forceps pieces, pipe grooves are formed in the inner sides of the two forceps pieces, water supply pipes are arranged in the pipe grooves, the tail ends of the forceps pieces are connected with a fixing box, and a control assembly is arranged between the tail portions of the forceps pieces. According to the utility model, the extrusion assembly is arranged, and the water supply pipe is extruded by the extrusion roller, so that water dripping is blocked; by arranging the transmission assembly, when the tweezers pieces approach each other, the heads of the rotating plates approach each other, the sliding sleeve can be driven to be away from the fixed box, and therefore the connecting rod is driven to slide, the extrusion assembly is driven to move towards the fixed plate, extrusion on the water supply pipe is relieved, and water drips after the tweezers tips approach to a certain distance; by rotating the connecting rod, the distance from the knob to the sliding sleeve can be controlled, meanwhile, the moving distance of the connecting frame is controlled, and then the tweezers tip distance at the beginning of dripping is controlled.

A pair of length-adjustable bipolar electric coagulation forceps relates to the technical field of medical instruments, and comprises a fixed seat and forceps rods, one end of the fixed seat is connected with a plug through a cable, the other end of the fixed seat is fixedly provided with a forceps handle, and the end part of the forceps handle is provided with a through hole; according to the length-adjustable bipolar electric coagulation forceps, the material is cheap, the processing cost is low, the inventory cost and the production management cost of manufacturers are greatly reduced, the length is convenient to adjust, and the length of the length-adjustable bipolar electric coagulation forceps is convenient to adjust. The operation attention of a doctor is not distracted, and the extra operation duration of a patient is prolonged, so that the patient is conveniently treated in time.

The bipolar electric coagulation forceps comprise a first forceps body and a second forceps body, a first forceps tip and a second forceps tip are arranged at the front ends of the first forceps body and the second forceps body, and a first control element and a second control element are arranged on the first forceps body and the second forceps body respectively; a third control element is arranged on the electrode holder; the two bipolar telescopic mechanisms are arranged in cavities of the first tweezers body and the second tweezers body, and a third control element drives the first tweezers tip and the second tweezers tip to synchronously stretch out or retract; a first channel and a second channel are arranged in the first forceps body and the second forceps body respectively, an outlet of the first channel is arranged at the front end of the first forceps body, the first control element controls opening or closing of the first channel, an inlet of the second channel is arranged at the front end of the second forceps body, and the second control element controls opening or closing of the second channel. The bipolar electric coagulation forceps can achieve electric coagulation, water dripping, flushing and suction at the same time, secondary damage to tissue caused by replacement of other instruments in an operation is avoided, and the safety of the operation is improved.

The invention discloses a bipolar electrocoagulation surgical device with a rotary visual module, and relates to the field of bipolar electrocoagulation surgeries, the bipolar electrocoagulation surgical device comprises bivalve forceps, one side of the bivalve forceps is fixedly connected with an electrode tip II, and the other side of the bivalve forceps is provided with an adjusting mechanism; according to the bipolar electrocoagulation operation device, through the arrangement of the adjusting mechanism, the mechanism for clamping the endoscope stably rotates along the annular sliding groove in the disc, and continuous visual angle adjustment of the endoscope around the first electrode tip in the circumferential direction is achieved; by matching with a multi-gear inserting structure of the inserting hole and the inserting rod, an operator can autonomously and quickly lock a required observation angle without intervention of an assistant, meanwhile, through a clamping mechanism composed of the arc-shaped clamp, the U-shaped clamp, the lower pressing plate, the spring damper and the handle, the pitching posture of the endoscope can be released and manually and finely adjusted when needed, and by combining with the stable rotating platform, the angle of the endoscope can be accurately adjusted. It is ensured that an operation area is always in a clear and unshielded visual field, blind areas are eliminated, reaction time is shortened, and accidental injury risks are reduced.

The invention relates to a polypropylene insulating material for bipolar coagulation forceps and a preparation method of the polypropylene insulating material, and belongs to the technical field of high polymer materials. A rutile phase solid solution formed by doping europium ions and niobium ions in the modified ceramic powder with titanium dioxide provides a deep trap and can capture free carriers in the material, nano-zinc oxide provides a shallow trap and assists ordered migration of the carriers, and the nano-zinc oxide and the shallow trap form a double-trap synergistic effect. Free carriers with high energy are preferentially captured by a deep trap of europium ion and niobium ion doped titanium dioxide, the carriers can be fixed at lattice defects by the strong binding force of the deep trap and prevented from forming a conductive path, part of low-energy carriers can be captured by a shallow trap and prevented from gathering towards a deep trap area, and space charge accumulation is reduced.

The invention discloses a nerve monitoring electrocoagulation cutter used in cooperation with a trachea cannula. The nerve monitoring electrocoagulation cutter comprises a shell, bipolar electrocoagulation forceps, a nerve detection electrode arranged between two forceps arms of the bipolar electrocoagulation forceps and a control device. The control device is used for driving the nerve detection electrode to move between the extending position and the retracting position. When the nerve detection electrode is in the extending position, the detection end extends to the front of the electrode tip, and the control device prevents the electrode tip from being folded; and when the nerve detection electrode is in the retraction position, the detection end of the nerve detection electrode retracts to the electrode tip, and the electrode tip can be folded at the moment. The nerve detection function and the electric coagulation function are integrated, and mechanical interlocking is achieved through the control device: during detection, the electric coagulation forceps cannot be closed; and during electrocoagulation, the detection electrode retracts. By means of the design, it is mechanically ensured that two kinds of operation cannot be conducted at the same time, the operation process is simplified, and the operation safety is improved.

This utility model discloses a bipolar electrocoagulation aspirator, specifically relating to the field of medical electrocoagulation technology. It includes two electrocoagulation forceps handles arranged side-by-side, each with an upwardly bent electrocoagulation head fixed to one end. A suction tube for aspirating the smoke and blood generated during electrocoagulation is embedded between the two forceps handles. The suction tube includes a rigid tube body, one end of which is connected to a tube connector. The tube connector is connected to a rubber tube that connects to a negative pressure suction machine. A groove is formed on the adjacent side of each of the two forceps handles, and the rigid tube body, tube connector, and rubber tube are located inside the groove. This utility model, by detachably installing the suction tube between the two forceps handles, retains two electrocoagulation heads while allowing medical personnel to control the forceps handles and suction tube with one hand, greatly improving the ease of operation.

The invention belongs to the technical field of medical instruments, and relates to a miniature bipolar electrocoagulation rod with parallel electrode tips. The device comprises a device body structure, the device body structure comprises an electric rod outer tube, a stainless steel wire, an electric rod head, a pole ring and a pole head, one end of the stainless steel wire is connected with the electric rod head, the other end of the stainless steel wire is connected with the pole head, and one end of the electric rod outer tube is connected with the pole ring. The two electrode tips are arranged side by side in the radial direction of a product to form a parallel structure, so that during use, according to the position of a treatment part and the visual field condition, the side face or the front face can be flexibly selected for electrocoagulation and ablation operation, the limitation that only the side face can be used for existing axially arranged electrodes is solved, and more operation scenes are covered.

The invention discloses a sleeve type bipolar electric coagulation hemostasis device which comprises a handle, an outer pipeline, an inner pipeline, a first end piece, a second end piece and a tail piece. The whole handle is cylindrical and is hollow; the rear end of the handle is connected with the front end of the tail part; the rear end of the outer pipeline is fixedly connected with the first end piece; the rear end of the inner pipeline is fixedly connected with the second end piece; a cavity is formed in the tail part, and the first end part and the second end part are both arranged in the inner cavity of the tail part; the outer pipeline penetrates through the inner cavity of the handle, and the front end of the outer pipeline extends forwards from the front end of the handle; the inner pipeline penetrates through the first end piece and an inner cavity of the outer pipeline, the front end of the inner pipeline is flush with the front end of the outer pipeline, and the front ends of the inner pipeline and the outer pipeline are arranged to be capable of discharging electricity under the condition that the inner pipeline and the outer pipeline are electrically connected with the two poles of a high-frequency alternating-current power source respectively. And insulating coatings are arranged on the outer circumferential surface and the inner circumferential surface of the outer pipeline. The hemostasis device can avoid the short circuit phenomenon.

The application discloses a nerve monitoring and electrocoagulation cutter used in cooperation with a trachea cannula, which comprises a shell, a bipolar electrocoagulation forceps, a nerve detection electrode arranged between two forceps arms of the bipolar electrocoagulation forceps and a control device. The control device is used for driving the nerve detection electrode to move between an extended position and a retracted position. When the nerve detection electrode is in the extended position, the detection end of the nerve detection electrode is extended to the front of the electrode tip, and the control device prevents the electrode tip from closing; when the nerve detection electrode is in the retracted position, the detection end of the nerve detection electrode is retracted to the back of the electrode tip, and at this time, the electrode tip can be closed. The application integrates the functions of nerve detection and electrocoagulation into one, and realizes mechanical interlocking by using the control device: the electrocoagulation forceps cannot be closed when detecting, and the detection electrode is retracted when electrocoagulating. The design mechanically ensures that the two operations cannot be performed at the same time, simplifies the operation process and improves the safety of the operation.

The utility model discloses bipolar electrocoagulation cutting pliers convenient to position and install. The bipolar electrocoagulation cutting pliers comprise a shell, a driving handle, a push rod and a conductive assembly. One end of the push rod is connected with the driving handle, and the other end of the push rod is connected with a tong head assembly which comprises a first tong head and a second tong head; the conductive assembly comprises a conductive sleeve, a first conductive ring, a second conductive ring, a first wire and a second wire, the conductive sleeve sleeves the push rod and is electrically connected with the first tong head, a first positioning groove and a second positioning groove are formed in the inner wall of the shell, the first conductive ring sleeves the conductive sleeve, the first conductive ring is provided with a first insertion part to be inserted into the first positioning groove, and the second conductive ring is provided with a second insertion part to be inserted into the second positioning groove. The first wire is electrically connected with the first conducting ring, the second conducting ring is sleeved on the push rod and provided with a second inserting portion to be inserted into the second positioning groove, the second wire is electrically connected with the second conducting ring, and the push rod is electrically connected with the second clamp head. According to the embodiment of the utility model, the electrical structure can be simplified, and positioning installation is facilitated.

The utility model provides a kind of welding-free bipolar electrocoagulation forceps, including two oppositely distributed forceps and a forceps seat, wherein each the forceps includes oppositely arranged discharge end and conducting end, the conducting end of two the forceps is connected forceps seat, to realize the discharge end of two forceps can be relatively close or far away, the forceps seat includes: two installation grooves, open in the left and right sides of forceps and with the conducting end of forceps compatible;Two line pressing grooves are respectively opened in two the installation groove, for the conducting part of wire that is pressed tightly, by the conducting end of forceps installation into installation groove, the conducting part of wire that can be directly placed in line pressing groove is physically pressed tightly, so that forceps and wire can be quickly, stably assembled, avoid the material damage, operation complexity and welding not firm etc. Problem that appears in traditional welding process, simplifies assembly process, effectively reduces production time, and improves production efficiency.

The utility model belongs to the field of high frequency electrotome control, concretely relates to a handheld bipolar automatic coagulation device, the utility model discloses a handheld bipolar automatic coagulation device utilizes the power module to power supply for the device, is suitable for the convenient use environment of outside. Utilize the tissue control detection module to collect the analog voltage and current signal of target tissue between the clamp in real time and feed back to the controller, the controller generates the tissue impedance state parameter according to the analog voltage and current signal of target tissue of tissue control detection module feedback, and adjusts the PWM duty ratio of PWM driver based on tissue impedance state parameter, and PWM driver controls the output voltage of transformer to clamp through driving MOS tube. The device can automatically judge whether the working power is outputted, and the power required by the coagulation tissue is automatically adjusted in the coagulation process, and the equipment automatically inducts the size of tissue resistance and outputs real-time power, so that the handheld bipolar electrocoagulation can play a more simple and efficient role in various complex treatment scenes.

The utility model provides a pair of bipolar suction forceps. The pair of bipolar suction forceps comprises a forceps body, a suction device, an electrocoagulation device and an operating handle, one end of the clamp body is connected with a clamp head assembly, and the other end of the clamp body is connected with an operating handle used for controlling opening and closing of the clamp head assembly. The electrocoagulation device is electrically connected with the forceps head assembly so as to perform electrocoagulation hemostasis on the wound surface when the forceps head assembly clamps the tissue; a hollow structure communicated with the tong head assembly is arranged in the tong body, and the tong head assembly is provided with at least one through hole. The suction device penetrates through the hollow structure to be communicated with the forceps head assembly, and the suction device is used for sucking wound exudation liquid from the through hole and the hollow structure when the forceps head assembly clamps and closes the tissue and flushing the wound. According to the utility model, the bipolar electrocoagulator is combined with the aspirator, so that the tissue can be clamped and closed, the exudation liquid of the wound surface can be attracted, the wound surface can be flushed, the time for frequently replacing instruments is reduced, and the operation duration is shortened; operation wound bleeding is reduced, and postoperative recovery of a patient is facilitated; manpower is saved, and operation efficiency is improved.

This application relates to the field of medical devices, providing an electrocoagulation hemostatic pen for the nasal cavity to address the problem that current bipolar or electrode electrocoagulation devices have a small heating element area, which cannot cover the area around the bleeding point in one go, often requiring multiple electrocoagulations and thus increasing patient discomfort. It includes: a pen-shaped body with a pen tip; an electrocoagulation head disposed on the pen tip, the electrocoagulation head including a first electrode tube, a second electrode tube, and a heating element, the second electrode tube being disposed on one side of the first electrode tube, the two ends of the heating element being connected to the first and second electrode tubes respectively, the heating element being a ring-shaped heating element, the width of the middle portion of the heating element being greater than the distance between the first and second electrode tubes; and a suction assembly including a suction conduit, one end of the suction conduit being disposed within the pen-shaped body, and the other end extending out to the outside of the pen tip and located within the ring-shaped area of ​​the heating element.

The application belongs to the technical field of electric coagulation hemostasis, and particularly relates to a disposable deep liver bipolar electrocoagulation needle, which comprises an electrocoagulation needle body, a locking bushing, a movable needle adjusting mechanism, a fixed needle assembly and an automatic indicating assembly. The fixed needle assembly comprises a fixed frame and a turnover part, the turnover part is rotationally arranged on one side of the fixed frame, and the movable needle adjusting mechanism comprises an automatic clamping assembly, an adjusting assembly, a transmission assembly and a pre-tightening and rebounding assembly. The first slide plate and the second slide plate can automatically clamp and release the movable electrocoagulation needle body through the change of the interval and the extrusion force between the first slide plate and the second slide plate. Through linkage of the transmission assembly, when the rotating handle part is rotated, the two slide nuts are synchronously moved close to or away from each other, so that the position of the first slide plate is adjusted, and the interval between the two electrocoagulation needle bodies is adjusted.

The application discloses a bipolar electrocoagulation forceps, comprising: a forceps body assembly, the forceps body assembly is provided with a liquid injection port, the liquid injection port is provided with a liquid injection pipe, and the liquid injection port is connected with a liquid adding pump; a forceps head assembly, the forceps body assembly and the forceps head assembly are connected through a shaft, the forceps head assembly comprises: a forceps head connecting seat and a forceps head, one end of the forceps head connecting seat is fixedly connected with the shaft, the other end is in transmission connection with the forceps head, the forceps head connecting seat is provided with a pipe guiding part towards the forceps head, the liquid injection pipe extends to the pipe guiding part from one end of the liquid injection port through the shaft, and then is led out towards the forceps head; wherein the liquid adding pump provides liquid, the liquid is introduced from the liquid injection port, reaches the forceps head through the liquid injection pipe and is led out. The pipe guiding part arranged at the position of the forceps head assembly realizes the guiding effect of the liquid injection pipe, reduces the shaking of the end of the liquid injection pipe, reduces the bending or deviation of the liquid injection pipe at the position of the forceps head assembly, and improves the accuracy of replacement of the liquid injection pipe.

The utility model discloses a telescopic forceps mouth structure for bipolar electrocoagulation forceps, and belongs to the field of bipolar electrocoagulation forceps, the telescopic forceps mouth structure comprises a circular tube and elastic handles, two elastic plates are symmetrically and fixedly mounted on the outer side of the circular tube, the two elastic plates are inserted into the inner walls of the two elastic handles, connecting seats are fixedly mounted on the inner walls of the elastic handles, and the connecting seats are fixedly connected with the circular tube. The inner wall of the connecting seat is rotationally connected with one side of a connecting arm, and the other side of the connecting arm is rotationally connected with a telescopic seat; the two elastic handles are clenched, the connecting arms rotate on the inner walls of the connecting base and the telescopic base, then the movable pipe can be pushed to move forwards through the positioning pipe, the first gripper arm and the second gripper arm can be closed and stored to the inner wall of the movable pipe at the moment, the positioning pipe can drive the movable pipe to retreat when the two elastic handles are loosened, and then the first gripper arm and the second gripper arm can be opened; the problem that pollution is easily caused due to the fact that the device is prone to making contact with other instruments used in the operation process when the device is not used is solved.