267 results about "Hysteroscopes" patented technology

The invention relates to the technical field of hysteroscopes, and provides a hysteroscope image target detection method and system.The method comprises the steps that a hysteroscope is inserted into a uterine cavity of a patient, and high-definition images and environment data of tissue in the uterine cavity are collected in real time; performing automatic analysis by using an image recognition technology, recognizing different types of lesion tissues, and automatically performing lesion assessment to obtain first assessment data; according to the physiological data set of the patient, the future development potential of the lesion is analyzed and evaluated through association of a multi-level neural network model, risk grade division is carried out on a lesion area, and second evaluation data is generated; and automatically generating a risk assessment report according to the second assessment data. According to the invention, a targeted risk assessment report can be output objectively and automatically, and reliable data support and technical support are provided for scientific assessment and intelligent management of intrauterine lesions.

The invention relates to the technical field of bleeding amount monitoring, in particular to a hysteroscopic surgery bleeding amount monitoring method, which comprises the following steps of: performing preprocessing and feature extraction on an acquired hysteroscopic image, and determining a bleeding point location and a bleeding area; establishing a bleeding model, and dynamically calculating a first value of the bleeding amount according to the bleeding point location and the bleeding area data; a multispectral sensor is arranged in the suction pipeline, liquid components are analyzed in real time through multiple wavelengths, and the hemoglobin concentration is calculated; determining a second value of the amount of bleeding based on the fluid flow rate within the aspiration conduit; collecting heart rate and blood pressure data of a patient, performing data fusion in combination with the first value and the second value of the bleeding amount, dynamically adjusting the weight, and outputting an estimated value of the bleeding amount; setting graded early warning thresholds, and executing prompts of corresponding grades when the thresholds are reached; according to the invention, dynamic weight adjustment is carried out on the first value and the second value; and combining the first value and the second value with the dynamic weight, fusing and outputting a bleeding amount prediction value so as to improve the prediction accuracy.

The invention discloses a lightweight hysteroscope image diseased region detection model construction method, which comprises an input layer, a multi-scale feature pyramid module, a lightweight backbone network module, a target detection head module and an output layer, performing hierarchical feature extraction and cross-layer feature fusion through a multi-scale feature pyramid module to obtain fused feature maps of different scales; the fused feature maps are input into a lightweight backbone network module and are further processed through a deep separable self-association mechanism and a dynamic region attention mechanism, and the capturing capability of the features of the lesion site is enhanced; the processed feature map is input into a target detection head module, multi-scale feature matching detection and self-adaptive anchor frame generation are carried out, and the category and the position of the diseased region are predicted; finally, the output layer outputs a detection result of the lesion part, and the detection result comprises lesion types and corresponding bounding box information.

A surgical system includes an ultrasound device and a surgical instrument. The ultrasound device includes a shaft having a body defining a longitudinal axis and including a lumen extending coaxially therethrough, and an ultrasound sensor assembly configured to enable ultrasound imaging of a field of view. The ultrasound sensor assembly is disposed at a distal end portion of the body of the shaft, offset relative to the longitudinal axis, and oriented such that the field of view is offset relative to the longitudinal axis. The surgical instrument is configured for removable insertion through the lumen of the body of the shaft and to extend distally from the distal end portion of the body of the shaft.

The invention relates to the technical field of medical instruments, in particular to a hysteroscope uterine horn tissue excision device which comprises a hysteroscope and further comprises an incision device, and the incision device is arranged in the hysteroscope and extends out of the hysteroscope. The incision device comprises a pressing and pushing mechanism and a rotary incision mechanism, the pressing and pushing mechanism extends into the hysteroscope from the bottom of the hysteroscope, and the rotary incision mechanism is connected to the tail end of the pressing and pushing mechanism; the rotary incision mechanism is used for excising to-be-cut tissues, and the rotary incision mechanism is deflected by an angle through the pressing and pushing mechanism. Through pressing operation of the pressing and pushing mechanism, an incision tool bit of the rotary incision mechanism is subjected to angle deflection, accurate excision of uterine horn tissue is achieved, the tedious operation of excision through other surgical instruments is avoided, the working efficiency is improved, and the success rate of an operation is also improved.

The invention discloses a hysteroscope, and relates to the related technical field of hysteroscopes, the hysteroscope comprises a shell, a containing cavity is arranged in the shell, a valve core is installed on the inner wall of the containing cavity, the valve core is provided with a connection cavity along the axial direction, the valve core is connected with a working channel, a flushing channel and a suction channel, the working channel comprises a thin-wall steel pipe inserted with the valve core, and the thin-wall steel pipe is connected with the valve core. A transmission cavity is formed in the thin-wall steel pipe, the thin-wall steel pipe is provided with a working pipe in the transmission cavity, the inserting part extends into the connecting cavity, the peripheral side of the valve element is rotationally connected with a valve seat, an annular cavity communicated with the transmission cavity is formed in the valve seat, and the valve seat is communicated with the flushing channel and the suction channel; the valve core is rotationally connected with the valve seat, so that the valve seat and the connected water-gas pipe and liquid outlet pipe cannot be driven when the valve core drives the thin-wall steel pipe to rotate, the problem of pipeline winding is avoided, and the stability and reliability of equipment operation are guaranteed; a sealing cavity is formed in the valve seat through a sealing ring, effective isolation of the liquid outlet pipe and the liquid inlet pipe is achieved, and liquid leakage is prevented.

The invention belongs to the technical field of digital surgery, and particularly relates to a hysteroscope surgical robot control method and system based on multi-modal perception. The method comprises the steps of collecting multi-modal input signals such as visual, auditory, tactile, force sense and pose signals, uniformly performing time synchronization and perception track construction, and combining semantic behavior intention inference and tactile opportunity judgment to realize multi-dimensional consistency verification of operation instructions. And after the judgment result is valid, extracting control execution parameters, driving the mechanical arm to perform accurate operation, recording an execution process and updating a control threshold value to optimize feedback performance. The system comprises an input signal acquisition module, a six-dimensional force sensor module, a semantic inference module, a modal fusion module and the like, a closed-loop structure from sensing to control is constructed, and the operation precision, the interaction stability and the safety response capability of the hysteroscope robot in an operation are remarkably improved.

A hysteroscopy system includes a scope having an internal channel, a sheath removably coupled to the scope, and an outflow channel. The sheath has a distal flange extending internally towards an outer surface of the scope. The outflow channel is formed between an inner surface of the sheath and an outer surface of the scope. The distal flange forms a distal end of the outflow channel and is generally located between the scope and the sheath.

The invention relates to a lightweight yolov8-based endometritis classification and identification method and system, and the method comprises the steps: determining classified target historical hysteroscope image data, and enabling classification labels to comprise a normal classification group indicating normal endometrium and a lesion classification group indicating the existence of endometritis; dividing the target historical hysteroscope image data according to a preset distribution proportion to obtain training data and verification data; training data and verification data are input into a yolov8 classification model, in the training process, model lightweight processing is carried out based on weight importance pruning, quantification and knowledge distillation technologies, and feature weighting and selection based on an attention mechanism are carried out on target area features detected by yolov8 and related to endometrium and pre-acquired auxiliary modal features, so that the model weight is reduced; key feature information is extracted; and inputting real-time hysteroscope image data into the trained yov8 classification model to obtain an endometrial inflammation classification result for auxiliary diagnosis.

The present invention discloses an intelligent hysteroscopic liquid management system and a fluctuation suppression method thereof, and relates to the technical field of liquid management of medical equipment. The intelligent hysteroscopic liquid management system and the fluctuation suppression method thereof collect the liquid pressure and flow data inside the uterine cavity and the infusion pipeline by setting a liquid fluctuation detection module, a dynamic fluctuation compensation control module, and a fluctuation suppression module, and extract the liquid fluctuation characteristics and establish a dynamic characteristic model by combining frequency domain and time domain analysis technology. Based on the fluctuation characteristic model, the liquid fluctuation index is calculated in real time, and the flow rate and the opening of the reflux valve of the infusion pump are dynamically adjusted through an adaptive control algorithm, so as to achieve effective compensation and suppression of liquid fluctuations. At the same time, through a flexible shock-absorbing component, high-frequency fluctuations in the liquid transmission process are absorbed at the physical level, and the fluctuation suppression effect is further optimized. The liquid management accuracy in hysteroscopic surgery can be significantly improved, the interference of surgical operations caused by liquid fluctuations can be reduced, and the stability of the surgery can be ensured.

The utility model relates to the field of medical instruments. The hysteroscope liquid collecting barrel comprises a collecting barrel body, a floating groove is formed in the lower side of one end of the collecting barrel body, a floating block is slidably inserted into the floating groove, a separating barrel is attached to the upper end of the collecting barrel body, a sliding groove is fixed to the inner wall of the lower end of the separating barrel, and magnets are fixed to the two ends of the inner wall of the sliding groove. And the upper end of the separation cylinder is in threaded connection with a protective cover. Through cooperative use of the placing box and the filter screen, liquid and secretions in a human body can be separated, when a worker needs to check the secretions, the bolt can be rotated to enable the adjusting blocks to be separated from the separation cylinder, at the moment, the two sets of adjusting blocks are pulled outwards to be separated from the surface of the separation cylinder, and the liquid in the human body can be separated from the secretions in the separation cylinder. And then the separating cylinder is moved upwards, and at the moment, the placing box can be independently taken out for checking, so that the overall working efficiency is improved.

The invention relates to the technical field of hysteroscope resectoscopes, and discloses a hysteroscope resectoscope capable of preventing uterine perforation and a using method thereof.The hysteroscope resectoscope comprises a hysteroscope body and a plurality of ultrasonic ranging modules, a camera is arranged at the far end of the hysteroscope body and faces the resection position, the ultrasonic ranging modules are arranged at the far end, and the ultrasonic ranging modules are arranged at the far end of the hysteroscope body and face the resection position. The ultrasonic ranging modules face the electric resection part and are used for measuring the thickness of the uterus wall of the electric resection part. According to the hysteroscope, the ultrasonic ranging modules are arranged at the far end of the hysteroscope body to measure the thickness of the uterus wall of the electric resection part, the situation that when an electric resection operation of uterine submucosal myoma or endometrial polyp is carried out, due to the fact that the thickness of the uterus wall cannot be accurately evaluated, uterus perforation is accidentally caused is avoided, the safety and accuracy of the operation are improved, and the operation efficiency is improved. Complications are reduced, and the fertility of a patient is protected.

The utility model discloses a kind of hysteroscope liquid leakage prevention structures, including center cylinder base, the both ends of center cylinder base are fixedly connected with end fixed ring, the outer end array of two sides the end fixed ring is fixedly connected with multiple elastic supporting pieces, and the outer end of multiple elastic supporting pieces of same side is equipped with silica gel outer cover, two sides The outer side of elastic supporting piece is fixedly connected with operating slip ring and insertion stop seat respectively, and the outer end of two sides silica gel outer cover is fixedly connected with the outer edge of corresponding side operating slip ring and insertion stop seat.In insertion, small in diameter, it is convenient to set, and will not cause damage to cervix, can effectively solve the problem of clinical surgeon encountered in hysteroscopy surgery in uterine cavity liquid leakage, reduce operation time and surgical complications, improve operation efficiency and safety.

The invention relates to the technical field of biomedical engineering, in particular to an endometrial tissue CD56 detection method and application thereof, and the endometrial tissue CD56 detection method comprises the following steps: S1, obtaining an endometrial tissue sample by adopting a non-invasive or minimally invasive method; s2, carrying out standardization treatment on the collected endometrial tissue sample; s3, performing immunohistochemical staining; s4, performing digital analysis; and S5, judging a result. According to the research, the endometrial tissue is obtained under the endometrial sampler, the expression level of CD56 in the endometrial tissue is detected through immunohistochemistry, and an RSA patient with the too high CD56 level is subjected to immunoregulation treatment, so that the pregnancy outcome is improved, and compared with traditional diagnostic curettage, the endometrial curettage has the advantage of being small in endometrial damage, and the clinical application prospect is broad. Compared with a hysteroscope endometrial biopsy operation, the method has the advantages of being convenient to operate and low in cost.

A method of assessing Fallopian tubal patency includes introducing a distension medium into a patient's uterus, introducing a contrasting medium into the uterus, and observing the contrasting medium, for example, via a hysteroscope, to determine whether the contrasting medium flows into one or both Fallopian tubes. A device for assessing Fallopian tubal patency includes a chamber for receiving contrast media, a flow path through the chamber for delivering distension media to a patient's uterus, and a flow controller for regulating the flow of distension media to the patient's uterus. The flow path is configured to permit flow of contrast media from the chamber into the flow path.

The invention provides a perfusion pressure regulation and control system for hysteroscopic surgery, and relates to the technical field of medical equipment. The system comprises an obtaining module used for obtaining a water poisoning dynamic risk value and an average arterial pressure value of an operation object in real time; the target pressure determination module is used for calling a preset dynamic pressure regulation and control model to carry out calculation processing based on the water poisoning dynamic risk value and the average arterial pressure value, and a target pressure value is determined and obtained; the control module is used for generating a control signal for adjusting the execution device based on the target pressure value; and the adjustment execution device is used for adjusting the perfusion pressure in response to the control signal. By means of the technical scheme, balance and unification between the operation safety and the curative effect can be achieved.

The utility model discloses a hysteroscope. The hysteroscope comprises a handle, a camera lens and an insertion part, the tail end of the long strip section is connected with the handle in an assembled mode, the bent inclined section is bent out of the head end of the long strip section and obliquely extends in the direction away from the handle, the tip end is connected with the bent inclined section in an assembled mode, and the camera lens is assembled on the tip end. The pick-up lens is also obliquely arranged relative to the bent inclined section in the bending direction of the bent inclined section, so that the inclination angle of the pick-up lens relative to the long strip section is the sum of the inclination angle of the bent inclined section relative to the long strip section and the inclination angle of the pick-up lens relative to the bent inclined section; therefore, the hysteroscope provided by the utility model can realize a larger visual angle to meet more clinical requirements, and can also meet the operation and use of hard instruments at the same time.

The utility model discloses a multilayer rubber mat sealing structure of a hysteroscope. The multilayer rubber mat sealing structure comprises a first rubber mat, a second rubber mat and a flexible connecting arm which can be bent and folded. A first avoiding groove is formed in the side wall of the first rubber mat, and a second avoiding groove is formed in the side wall of the second rubber mat; one end of the connecting arm is located in the first avoiding groove and connected with the groove wall of the first avoiding groove into a whole, the other end of the connecting arm is located in the second avoiding groove and connected with the side wall of the second avoiding groove into a whole, and the thickness of the connecting arm is smaller than the groove depth of the first avoiding groove and the groove depth of the second avoiding groove; when the first rubber mat is arranged relative to the second rubber mat, the connecting arm is bent and folded, and the bent and folded part of the connecting arm can completely sink into the first avoiding groove and / or the second avoiding groove; the multi-layer rubber mat sealing structure can be normally installed in the liquid return mechanism under the condition of preventing neglected installation. In addition, the utility model further discloses a hysteroscope.

The application discloses a hysteroscope with a side-entry general instrument guiding system, comprising a mirror body and an outer sheath, the outer sheath is sleeved on the long shaft of the mirror body and can move along the long shaft, the outer sheath is provided with a guiding part, and the guiding part is provided with an open placing groove. The application completely moves the instrument channel from the inside of the hysteroscope to the outside, sets the open placing groove on the outer sheath, and forms a unique "side-entry" guiding structure. The design fundamentally liberates the size limitation of the instrument and the operation freedom, and can be applicable to general instruments such as scissors, grabbing forceps, biopsy forceps, separating forceps, needle holding forceps and the like. When the instrument is guided to a target operation position, the instrument is precisely released and individually retained in the operation area by simply pulling back the outer sheath, so that an unprecedented wide operation space is obtained, and doctors can perform various complex operations with a larger amplitude, a stronger force and a higher flexibility.

1. Name of the product in this design: Hysteroscope. 2. Purpose of this design: A disposable medical device used for imaging and examination of the uterine cavity, in conjunction with an endoscopic image processor. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model discloses a sterile operation kit suitable for hysteroscope and transurethral operations, and relates to the field of gynecological and urology department operation tools, in particular to a sterile operation kit suitable for hysteroscope and transurethral operations, which comprises a treatment towel and a liquid collecting device, and the treatment towel and the liquid collecting device are provided with operation holes. The liquid collecting device is arranged on the treatment towel corresponding to the surgical hole, the liquid collecting device is of a foldable structure, and one side of the liquid collecting device can cover the surgical hole after being turned over; a collecting device for collecting liquid flowing out in the operation process is arranged at one end of the liquid collecting device. The device has the advantages that the operation preparation process is simplified, the operation time is shortened, and the operation turnover is accelerated. The collection and disinfection cost of conventional operation cloth is reduced, and meanwhile, hospital infection is effectively avoided; the operation kit can effectively prevent liquid from leaking out of an operation sheet to soak the skin of a patient, so that hypothermia of the patient in an operation is effectively prevented.

The invention provides a hysteroscope uterine distention medium intelligent management and control system and method based on bimodal data fusion. The system comprises an intelligent sensing execution device and a central management and control server. The intelligent sensing execution device is configured to be detachably installed on the outer wall of the fluid infusion pipeline and used for collecting physical state data of the uterus expanding medium in a non-contact mode and executing on-off control. The central management and control server is configured with a bimodal data fusion engine and synchronously receives the operation video stream and the physical state data; a deep learning algorithm is used to identify a surgical operation stage, and a real-time flow rate and an accumulated consumption amount calculated by physical data are combined to derive a dynamic residual available time length; and generating a hierarchical control instruction according to the matching of the calculation result and the operation stage. According to the invention, fluid control information is superposed to an operation picture through an augmented reality technology, and fluid excessive absorption monitoring and microbubble detection logic are integrated, so that intelligent closed-loop control and active security defense of a hysteroscope operation fluid medium are realized.

The present invention relates to a water intoxication prevention system for hysteroscopic resection, belonging to the technical field of medical equipment. The water intoxication prevention system includes: a data acquisition module for obtaining surgical data information related to hysteroscopic resection; a data processing module for receiving and processing the surgical data information obtained by the data acquisition module, and calculating and real-time updating the water intoxication risk value. The data acquisition module includes an input unit and a monitoring unit. The data processing module is configured to: preliminarily calculate the water intoxication risk value according to the estimated surgical duration, the type of distending medium to be used, the scheduled distending pressure, and the measured mean arterial pressure obtained by the input unit, so as to obtain an expected risk value corresponding to the estimated surgical duration; dynamically adjust the preliminarily calculated water intoxication risk value according to the perfusion fluid volume, blood oxygen saturation, serum sodium ion level, and the current surgical duration obtained by the monitoring unit, so as to obtain a dynamic risk value corresponding to the current surgical duration.

The invention relates to the related technical field of constant-temperature infusion, and discloses integrated constant-temperature infusion equipment for hysteroscopic surgery, which comprises an infusion support, a constant-temperature box is arranged at the upper part of the infusion support, a plurality of U-shaped through holes are formed in the constant-temperature box, anti-falling constant-temperature components are arranged in the U-shaped through holes, and a plurality of constant-temperature components are arranged in the constant-temperature box; due to the fact that the distance between the inclined faces of the sides, close to each other, of the two guide blocks is gradually reduced from top to bottom, the limiting and fixing effects of a plurality of pairs of movable shells and rubber parts on an infusion tube from top to bottom can be gradually improved, and the anti-falling effect on the infusion tube is greatly improved; first S-shaped channels in a plurality of pairs of movable shells are used for gradually improving the heating effect on liquid in the infusion tube from top to bottom, so that the liquid in the infusion tube is uniformly heated to 36-38 DEG C, and the condition of non-uniform heating is prevented; and the liquid in the infusion tube is heated for multiple times, so that the heating efficiency of the liquid in the infusion tube is improved.

The invention relates to the field of medical instruments, and particularly discloses a gynecological hysteroscopy waste liquid collecting device which comprises a collecting box, a driving assembly is arranged on the collecting box, a rotating assembly connected with the driving assembly is arranged in the collecting box, a stirring assembly is arranged on the rotating assembly, and the stirring assembly is connected with the driving assembly. The stirring assembly is provided with a bearing assembly matched with the collecting box, and the collecting box is provided with an adjusting assembly connected with the bearing assembly. The device can achieve the effect of disinfection after waste liquid collection, waste liquid exposure is avoided, cross infection of medical workers is avoided, the risk that the medical workers suffer from diseases is reduced, safety is improved, the space of the collection box can be adaptively adjusted according to the evaluated amount of flushing liquid, meanwhile, the opening degree of the collection assembly is adjusted, and the waste liquid collection effect is improved. The flushing fluid flows into the collecting box at the fastest flow speed, so that the flushing fluid and the disinfectant are rapidly mixed, the effect of rapidly disinfecting the waste liquid is achieved, and the treatment efficiency of the waste liquid is improved.

The hysteroscope comprises a handle, a circuit board, a long-strip-shaped insertion part assembled on the handle, a booster pump and an operation key used for controlling the booster pump to work. The insertion part is provided with a liquid inlet channel and a liquid return channel, the circuit board is assembled on the handle, and the handle is provided with a liquid inlet connector and a liquid return connector; the booster pump and the operation key are both assembled on the handle, the inlet end of the booster pump is communicated with the liquid inlet connector, the outlet end of the booster pump is communicated with the liquid inlet channel, the liquid return channel is communicated with the liquid return connector, and the circuit board is electrically connected with the booster pump and the operation key. Therefore, the uterus distention machine or the pressurizing bag can be replaced to achieve easy liquid inlet uterus distention, and operation of the hysteroscope is simplified.

The invention discloses a uterine horn anti-reflux device, namely a uterine horn plug. The uterine horn plug is made of a flexible material with certain transparency, is an umbrella-shaped structural body, and consists of a cambered conical plug head, a circular plug film extending outwards from the bottom surface of the conical plug head, a plug handle connected with the bottom surface of the plug head, and a tail wire connected with the conical tip of the plug head. When the uterine cavity is filled with uterine swelling liquid, the uterine horn plug is placed at the uterine horn of the uterine cavity, the tail wire faces the fallopian tube, when the uterine swelling liquid flows back to the fallopian tube, the tail wire enters the fallopian tube along with the uterine swelling liquid, the plug head is guided to the communicating position of the uterine horn and the fallopian tube, and the plug head is plugged in the opening direction of the fallopian tube of the uterine horn. Meanwhile, the plug membrane covers the periphery of the fallopian tube opening of the uterine horn to block the fallopian tube opening of the uterine horn and prevent the uterine distention liquid from continuously and reversely flowing into the fallopian tube, so that the uterine distention liquid is prevented from entering the abdominal cavity through the fallopian tube, and the uterine distention effect is enhanced. The device is matched auxiliary equipment used in the hysteroscope.

The invention relates to the field of medical auxiliary equipment, in particular to hysteroscope operation equipment which comprises a hysteroscope body, a waste liquid collecting mechanism and a specimen processing mechanism, the hysteroscope body comprises a water inlet pipe and a water outlet pipe, and flow meters are mounted on the water inlet pipe and the water outlet pipe; the waste liquid collecting mechanism comprises an outer barrel, an inner barrel, a cover body and a pipeline, a nozzle is arranged on the cover body, an annular cavity is formed between the inner barrel and the outer barrel, and the inner barrel is communicated with the outer barrel; the specimen processing mechanism comprises a floating ring, a rack, a gear, a pin shaft, an annular specimen cup, a filter screen and a grid cutter which are arranged in the annular cavity, the rack is fixedly connected with the floating ring and can be meshed with the gear, the specimen cup is clamped with the upper end of the rack, the filter screen is placed in the specimen cup and can be matched with the pipeline, an abutting rod is fixed to the cover body, and the grid cutter is fixed to the abutting rod. The gear is rotationally arranged in the outer barrel through a pin shaft, and the pin shaft extends out of the outer barrel. By the adoption of the technical scheme, the in-out amount of normal saline can be measured conveniently, and operation before a sample is submitted for inspection is facilitated.

The present invention relates to the technical field of medical devices, and specifically provides an intrauterine pressure monitoring device and a surgical system. The device includes a first pressure sensor, a second pressure sensor, and a controller. The first pressure sensor is installed at the insertion end of the hysteroscope sheath and detects the first pressure value of the uterine cavity inside the uterine cavity. The second pressure sensor is installed in the infusion pipeline of the perfusion device and detects the infusion pipeline pressure value. The controller obtains the first pressure value and the infusion pipeline pressure value, so as to determine the second pressure value of the uterine cavity through the infusion pipeline pressure value, and determine whether the detection result of the first pressure sensor is unreliable based on the first pressure value with the second pressure value as a reference value. The installation position of the second pressure sensor is different from that of the first pressure sensor, so it is difficult to be affected by the same interference factors, and it avoids the surgical interruption and damage to the uterine cavity caused by measurement errors when it is impossible to know the failure of the pressure sensor or the influence of the environment.

This invention discloses a hysteroscopic plasma snare device, comprising an operating handle, an operating ring electrode rod, a plasma coil, a basket, and a coagulation electrode. The operating ring is fitted onto the operating handle, the electrode rod is located at one end of the operating handle, and the plasma coil is located at one end of the electrode rod. The plasma coil is controllably contracted within the electrode rod. The basket for retrieving excised tissue is located on the plasma coil, and the coagulation electrode is located at the end of the plasma coil, allowing for controlled coagulation at the tissue excision site. Advantages include: supplying physiological saline to the plasma coil at one end of the electrode rod to generate plasma for excision of the affected tissue; ease of use and preservation of the excised tissue; using the basket to hold the excised tissue for complete removal, facilitating pathological analysis; and timely coagulation at the excision site using the coagulation electrode, reducing postoperative complications and avoiding equipment changes during surgery, making it convenient and quick to use.