17 results about "Bipolar coagulation" patented technology

The invention discloses a coagulation and bipolar coagulation integrated control system for a surgical operating instrument, and relates to the field of medical equipment. The system comprises an interface module, an energy detection module, a storage module, a load model matching module and an energy output control module. According to the system, an energy detection signal is output to a surgical instrument before energy output, and a real-time biological impedance spectrum of a target object is obtained; determining a target model from pre-stored electrical load models according to the impedance spectrum, and calling a corresponding adaptive energy output strategy; and in the energy output process, the impedance change of the target object is monitored, and the energy parameters are dynamically adjusted, so that the energy output is automatically stopped after the impedance change conforms to the preset stable target state. The self-adaptive precise energy control based on the real-time state of the tissue is realized, the problems of tissue carbonization, adhesion or incomplete coagulation and the like are effectively avoided, and the operation safety and effect are improved.

Bipolar electrosurgical forceps are provided with dual irrigating tubes that deliver irrigating liquid to the opposed surfaces of the tips of the forceps to prevent the sticking of body tissue to the tips. To reduce the manufacturing costs of the forceps and enable the forceps to be single use, disposable forceps, each tube of the dual irrigating tools is a plastic tube adhered along one of the opposing surfaces of the pair of forceps arms. Each tube also has a flat nozzle at the distal end of the tube that disburses irrigating liquid across the opposed surfaces of the forceps arm distal and tips.

The invention relates to the technical field of surgical devices, in particular to a pair of efficient bipolar electrocoagulation forceps for electrocoagulation and electroexcision. Comprising a handle and a grip which are hinged to each other, the grip is connected with a tong head through a connecting rod set, the tong head comprises a first tong head body and a second tong head body which are matched with each other, and opening and closing movement of the first tong head body and the second tong head body can be achieved by adjusting the grip. The working end face of the first clamp head and the working end face of the second clamp head are smooth contact faces without teeth, a cutting rib is arranged at the end of the first clamp head, and a cutting groove matched with the cutting rib is formed in the end of the second clamp head. The inner surfaces of the forceps heads are working end faces and are designed to be smooth contact face structures without teeth, and cutting ribs and cutting grooves are arranged at the ends of the forceps heads, so that the forceps have the functions of efficient electric coagulation hemostasis and accurate electric resection, and tissue adhesion can be better avoided.

1. The name of this design product: Handle of bipolar hollow coagulation forceps. 2. Purpose of the product with this design: The product with this design is mainly used for vascular closure, multi-mode coagulation, tissue cutting, clamping, etc. in clinical surgical operations. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture. 5. Other situations that require explanation Other explanations: Already reflected in the enlarged left view and the enlarged right view, the left view and the right view are omitted.

The utility model relates to the field of medical instruments, in particular to a pair of bipolar forceps and a surgical system. The pair of bipolar forceps comprises a body, one end of the body is provided with a first forceps tip and a second forceps tip which are correspondingly arranged, the first forceps tip and the second forceps tip are respectively provided with a containing space, a first cooling pipe and a second cooling pipe are arranged in the body, the first cooling pipe extends into the containing space of the first forceps tip, and the second cooling pipe extends into the containing space of the second forceps tip. The second cooling pipe extends into the accommodating space of the second forceps tip, the first cooling pipe is used for cooling the first forceps tip, and the second cooling pipe is used for cooling the second forceps tip. The utility model solves the problem that normal tissues adjacent to a focus area are damaged due to the fact that the high temperature of the forceps tips of the bipolar electric coagulation forceps in a narrow space of a nasal cavity is high, thereby providing the bipolar forceps and the operation system.

The invention provides bipolar electric coagulation forceps capable of being used for detecting neural signals, and relates to the technical field of medical instruments, the bipolar electric coagulation forceps are characterized in that the bipolar electric coagulation forceps comprise two groups of forceps handles and a handle seat, the two groups of forceps handles are oppositely arranged, the two ends of each forceps handle are respectively provided with a mounting end and a forceps tip, and the tip part of each forceps tip is partially exposed in metal and is used for collecting the neural signals; a change-over switch is slidably connected to one side of the handle seat, a switching structure is arranged in the handle seat, the change-over switch is in transmission connection with the switching structure and used for driving the switching structure to change in position, and a bipolar wire and a nerve detection connecting wire are arranged on the side, away from the forceps handles, of the handle seat. The two ends of the switching structure are provided with connecting ends which are connected with the bipolar electric wire and the nerve detection connecting wire respectively, and the switching structure is used for flexibly switching and using the electric heating function and the nerve detection function. The device has the advantages that hemostasis cutting and neural signal collection operation can be rapidly switched, and the overall operation efficiency is improved.

A colpotomy system includes a colpotomy cup, an electromagnet that is coupled to the colpotomy cup (thereby forming an electromagnetic colpotomy cup), and a bipolar electrocautery wand configured for use with the colpotomy cup and electromagnet. The electromagnet is used to generate an inwardly directed force, known as the Lorentz force, to direct the electrocautery wand towards the center of the colpotomy cup. This allows the physician to direct the wand towards the center of the uterine axis and away from the bladder as well as other surrounding structures in the pelvic cavity.

The invention provides a quantitative evaluation method for the performance of medical bipolar electric coagulation forceps, and belongs to the field of medical instrument performance detection.The method comprises the steps that pinching force and clamping force data of the forceps at different moments in the working process are obtained; drawing a curve graph of the pinching force and the clamping force changing along with time; selecting the size of a slope abrupt change point in the kneading force rising stage in the curve graph as a kneading force compensation value; selecting a section of area between the mutation point and the maximum pinching force as an analysis area; calculating the ratio of the clamping force added with the compensation value to the kneading force according to the physics stress principle in the area; if the ratio extreme value is in a set range, drawing a curve graph of the kneading force and the ratio; and integrating the curve in the set range of the ratio in the pinching force direction to obtain the performance index of the medical bipolar coagulation forceps. According to the method, the performance of the medical bipolar coagulation forceps is quantitatively evaluated by adopting the performance index of the medical bipolar coagulation forceps, so that the defects of an existing bipolar coagulation forceps performance evaluation method are overcome.

The invention discloses a push broach structure of bipolar coagulation forceps and the bipolar coagulation forceps, and belongs to the technical field of electrosurgical instruments. The push broach structure of the bipolar coagulation forceps is used for driving a cutting blade of a cutting mechanism and comprises a trigger, a connecting mechanism and a sliding block which are arranged on a support, the sliding block is connected with the support in a sliding mode and used for abutting against the end of one end of a cutter bar of the cutting mechanism, and the trigger is in linkage with the sliding block through the connecting mechanism; when the trigger moves relative to the support, the connecting mechanism drives the sliding block to slide relative to the support so as to push the end portion of one end of a cutter bar of the cutting mechanism, so that a cutting blade located at the other end of the cutter bar is driven to be pushed in the first direction, a bar assembly with the cutter bar can be directly detached under the condition that the sliding block is not detached, and more convenience is achieved. Meanwhile, when the trigger moves relative to the support, the connecting mechanism drives the sliding block to slide relative to the support so as to push the end portion of one end of a cutter bar of the cutting mechanism, so that a cutting blade located at the other end of the cutter bar is driven to be pushed in the first direction, and the cutter bar can be stably pushed under the condition that the sliding block and the cutter bar are not connected together; therefore, reliable cutting of tissues is realized.

The invention discloses an ultrasonic positioning system for brain tumor surgery, belongs to the technical field of medical instruments, and solves the problems that an existing two-dimensional ultrasonic scanner is poor in intuition and cannot clearly display the spatial position of bipolar coagulation forceps tips. The method comprises the following steps: acquiring a two-dimensional ultrasonic image in a brain operation process in real time by a two-dimensional ultrasonic scanner; positioning rigid bodies are respectively fixed on a handle of the two-dimensional ultrasonic scanner and a handle of the bipolar electric coagulation forceps; the infrared optical locator is used for spatially locating the two-dimensional ultrasonic scanner and the bipolar electric coagulation forceps by the locating rigid body; based on this, the spatial position of the extension line of the tip of the bipolar coagulation forceps and the coordinates of the intersection point of the extension line and the spatial area of the two-dimensional ultrasonic image are obtained, a bipolar coagulation forceps model is established by adopting a three-dimensional visualization technology, and the two-dimensional ultrasonic image is obtained according to the spatial area coordinates of the two-dimensional ultrasonic image and the spatial coordinates of the tip of the bipolar coagulation forceps and the extension line of the bipolar coagulation forceps. Establishing a spatial region three-dimensional scene image of the bipolar coagulation forceps and the two-dimensional ultrasonic image; and displaying the three-dimensional scene image. The method is suitable for surgical ultrasonic positioning.

The invention relates to a bipolar electrocoagulation device for ophthalmology, which belongs to the technical field of medical instruments and comprises a machine body, the machine body is connected with bipolar electrocoagulation forceps through a connecting wire, a water spraying assembly is arranged on a forceps body of the bipolar electrocoagulation forceps, and normal saline is sprayed to forceps heads through the water spraying assembly to realize cooling; a supporting arm is arranged on the machine body, a sliding strip of the supporting arm is connected with a holding ball through a pull rope, and the pull rope can bear the gravity of the arm when the holding ball is held; a cleaning mechanism is arranged on one side of the supporting arm, a rotatable scraping plate and a fixed scraping block are arranged in a cleaning box of the cleaning mechanism, the scraping plate is attached to the outer wall of the tweezers head, and the scraping block cleans the inner side of the tweezers head when the tweezers head is taken out. Precise cooling of the tweezers head is achieved through the water spraying assembly, and tissue thermal damage is avoided; the cleaning mechanism can quickly clean the inner and outer sides of the forceps heads to reduce the operation interruption time; the supporting structure effectively relieves operation fatigue of doctors, safety, efficiency and operation comfort of the ophthalmologic operation are integrally improved, and the ophthalmologic operation support is suitable for various fine ophthalmologic operation scenes.

The invention belongs to the technical field of high-frequency electrotomes, and particularly relates to a high-frequency electrotome automatic blood coagulation and automatic output stopping circuit which thoroughly gets rid of dependence on external button control and does not need to depend on subjective operation of doctors to control start and stop of blood coagulation. According to the device, the tissue state can be sensed in real time through a built-in monitoring mechanism, the tissue resistance can be accurately recognized, the blood coagulation process is automatically adjusted according to the tissue resistance, accurate control over blood coagulation operation is achieved, unfavorable conditions such as tissue carbonization or insufficient blood coagulation are effectively avoided, and the safety and accuracy of blood coagulation operation are greatly improved. In addition, starting, stopping and process control of double-pole blood coagulation or single-pole blood coagulation can be carried out under the conditions of no pedal and the like, and the cost of accessories is reduced.

The invention provides a surgical robot system with a nerve detection function and a control method thereof. The system comprises an intraoperative nerve monitor, a high-frequency energy generation device, a laparoscopic robot, a function switcher, a console and a processing device. The intraoperative nerve monitor is used for outputting nerve electrical stimulation signals and collecting nerve information. A bipolar coagulation instrument and an endoscope are arranged on the laparoscopic robot; the endoscope is used for collecting a target image of a surgical site of a patient. The function switcher is used for outputting a nerve electrical stimulation signal when it is not detected that the high-frequency energy generating device outputs the high-frequency energy. The console is used for controlling the laparoscopic robot to execute laparoscopic surgery. And the processing device is used for fusing the target image and the neural information to obtain a fused image, and sending the fused image to the console so as to display the fused image in the display device. In this way, a doctor can watch the image and neural information collected by the endoscope at the same time through the console, and the safety of an operation can be improved.

A forceps system for sealing a blood vessel can include a first jaw and an opposing second jaw. At least one of the first and second jaws includes at least a first electrode having first and second electrode portions that are laterally separated to permit electrical isolation between the first and second electrode portions, and the first and second electrode portions are independently addressable to permit individual testing by the first and second electrodes portions of a blood vessel characteristic. This can help permit individual testing of each side of a target seal region of the blood vessel.

The present application relates to the technical field of medical devices, in particular to a bipolar electrocoagulation separating forceps for open surgery. The handle of the present application is connected with an electrocoagulation forceps head, which comprises a first forceps head and a second forceps head connected movably like scissors. The handle comprises a first handle connected with the first forceps head and a second handle connected with the second forceps head. A blade pushing mechanism and a blade assembly are arranged in the first handle. The blade pushing mechanism is connected with the blade assembly. One end of the blade assembly is located in the first handle and the other end is located in the electrocoagulation forceps head. A forceps head connecting wire electrically connected with the first forceps head and the second forceps head is arranged in the second handle. The bipolar electrocoagulation separating forceps is easy to operate, has good effect on tissue electrocoagulation, and can effectively cut and separate the tissue after electrocoagulation, so that the operator can complete the tissue electrocoagulation and separation operation without changing other surgical instruments during the operation.

The application provides an intracranial hematoma removing special ventriculoscope, and relates to the technical field of medical devices, which comprises a soft insertion part, a bending adjusting part, a double-path imaging part, an image display part, an auxiliary sealing part and a guiding and positioning part; the bending adjusting part is installed on the soft insertion part; the double-path imaging part is installed on the soft insertion part, is used for observing the surgical field in front of the puncture path, and is also used for observing the side wall of a hematoma cavity and surrounding brain tissue; the auxiliary sealing part is installed on the soft insertion part; the guiding and positioning part is installed on the soft insertion part, is used for guiding a bipolar coagulation, a suction tube and a flushing tube, and is also used for preventing the bipolar coagulation, the suction tube and the flushing tube from falling off; the navigation induction coil is matched with an electromagnetic navigation device to realize accurate positioning and guide the accurate advancement of the soft insertion head; the problem that there is no real-time position feedback in operation and the puncture path is deviated due to brain tissue displacement is solved.

This invention provides a bipolar electrocoagulation device with suction function, comprising: a handle; a guide tube detachably mounted on the handle, with electrocoagulation forceps hinged inside the guide tube; a traction mechanism mounted inside the handle, the traction mechanism including a traction column slidably mounted inside the handle; and a suction mechanism mounted inside the handle, the suction mechanism including a suction box and a first sealing plate, the suction box being fixedly mounted on the handle, and the first sealing plate being slidably mounted inside the suction box. This invention solves the technical problem in the prior art where, to cope with smoke interference, bipolar electrocoagulation forceps are typically used in conjunction with a suction device. This requires medical personnel to operate the bipolar electrocoagulation forceps with one hand for tissue processing and independently operate the suction device to absorb the smoke with the other hand. In the stressful surgical environment, this requires a high degree of coordination between both hands, placing stringent demands on the medical personnel's bimanual coordination ability, increasing operational difficulty, fatigue, and the risk of error.