220 results about "Uterine cavity" patented technology

The invention relates to the technical field of medical instruments, in particular to a uterine cavity tissue cutting biopsy device which comprises an outer tube, an inner tube, an inner tube pushing and rebounding mechanism and a negative pressure collecting mechanism, the inner tube pushing and rebounding mechanism and the negative pressure collecting mechanism are connected with the inner tube, the outer tube is provided with a cutting sampling opening, the inner tube is provided with a cutting head, and the inner tube pushing and rebounding mechanism drives the inner tube to axially move back and forth. The negative pressure sampling device further comprises a rotary rebound mechanism which is nested outside the inner pipe, and the inner pipe pushes the rebound mechanism to drive the inner pipe to axially move back and forth and rotate and rebound at the same time, so that the cutting head is driven to rotate and cut back and forth. According to the uterine cavity tissue cutting biopsy device, an external power source is not needed, heat damage can be thoroughly eliminated, sufficient and effective cutting can be achieved without additional driving force and additional operation during use, the integrity of a cut sample can be kept as far as possible, and the uterine cavity tissue cutting biopsy device has the advantages of being free of heat damage, free of noise, free of vibration, convenient to operate and capable of avoiding inaccurate pathological examination.

The invention relates to an anti-inflammatory and repair-promoting hydrogel for a uterine cavity as well as a preparation method and application of the anti-inflammatory and repair-promoting hydrogel, and relates to the technical field of biological medicines. The uterine cavity anti-inflammatory and repair-promoting hydrogel is prepared from the following raw materials: an anti-inflammatory component, a biomacromolecule with active ester and an amino high-molecular polymer. The hydrogel for resisting inflammation and promoting repair of the uterine cavity, which is prepared by the invention, has good biological safety, injectability and adhesiveness with tissues; in intrauterine adhesion prevention treatment, a three-dimensional network structure formed by crosslinking of the biomacromolecules with the active ester and the amino high-molecular polymer plays a physical isolation role, the anti-inflammatory component plays an anti-inflammatory role by inhibiting expression of an inflammation signal channel, and the biomacromolecules with the active ester and the amino high-molecular polymer achieve a synergistic treatment effect.

The invention relates to the technical field of medical monitoring and assistance, in particular to a sensor-based intelligent monitoring system for obstetrical and gynecological operations, which comprises a multi-source sensing module, a feature fusion module, a mode recognition module, a collaborative early warning module and a decision output module, wherein the multi-source sensing module is used for outputting an instrument movement track, a uterine cavity pressure waveform, a fetal electrocardiosignal and a surgical field video stream; the feature fusion module is used for generating a multi-dimensional feature matrix; the mode recognition module is used for outputting an instrument risk label and a fetus risk level; the collaborative early warning module is used for generating a multi-level early warning instruction containing the coordinates of the risk part; and the decision output module is used for forming a dynamically updated safe operation boundary diagram and displaying the safe operation boundary diagram on the surgical field video stream in an overlapping manner. According to the invention, through a multi-source sensing and collaborative early warning mechanism, synchronous monitoring and dynamic risk prompting of operation behaviors and physiological states in the obstetrics and gynecology surgery are realized, and the safety management and control capability in the surgery is improved.

An everting balloon system is disclosed that can be used for the placement of an IUD within the uterine cavity of a female patient. The everting balloon system with IUD can be used to access a uterine cavity at specific locations in the fundus. A one-handed IUD delivery system for placement with an everting catheter is disclosed. An IUD loading system for placement within an everting catheter is disclosed. The everting catheter with an IUD can simplify the process of IUD placement within the uterine cavity.

The invention relates to an OCT (Optical Coherence Tomography) navigation uterine cavity adhesion and dissection postoperative residual adhesion prediction method, which comprises the following steps of: acquiring an interference signal of an intraoperative uterine cavity wall area by utilizing OCT equipment, and identifying an adhesion fiber microstructure which is not completely broken so as to judge the existence of an optically invisible residual adhesion microbridge; applying low-frequency bioelectrical stimulation to the wounded area of the uterine cavity during the operation, and marking the wounded area as a tissue repair electrical activity silent area if no blood flow micro-reaction is continuously detected; oCT micro-deformation sequence analysis is carried out on the region after intraoperative dissection is completed, mutation breakpoints of tissue elastic distribution are identified, and the potential risk that traction after-tack occurs in the region is predicted; detecting whether a metabolic oxidation reaction residual zone exists in the operation area or not so as to judge local tissue repair activity decline and re-adhesion tendency; local micro-intervention stimulation is applied to the tissue area judged to be high in risk, OCT imaging is carried out again to detect the reversibility of tissue optical response, and if an image is still fractured and red shift is enhanced, it is judged that the area is the postoperative irreversible adhesion residual area.

A method of uterine hemostasis involves inserting a suction line of a postpartum hemorrhage mitigation device through a cesarian incision into the uterine cavity, guiding the suction line through the cervix and into the vagina, positioning an anchoring mechanism of the device adjacent the internal cervical OS of the uterine cavity, closing the cesarian incision to enclose the suction line within the uterine cavity, and connecting the suction line to a negative pressure source that introduces negative pressure to the uterine cavity via the suction line, thereby causing contraction of the uterus and evacuation of fluid from the uterus via the suction line extension. Upon completion of a treatment period, the negative pressure source is disconnected, and the suction line and anchoring mechanism are extracted from the uterus through the cervical canal and the vagina.

The invention discloses an endometrium sampler, which relates to the technical field of medical instruments and is technically characterized by comprising a protective sleeve, a movable tube, a brush rod, a top bead, bristles and a handle, the protective sleeve and the movable pipe are both of a hollow tubular structure, and the movable pipe is arranged in the protective sleeve and can move in the axial direction of the protective sleeve. The brush rod is arranged in the movable pipe, one end of the brush rod is fixedly connected with the handle, and the other end of the brush rod is fixedly connected with the top bead. The section, close to the top bead, of the brush rod is a brush rod front end; the bristles are attached to the front end of the brush rod and incline towards the top bead, and the top bead is of a semi-surrounding cover-shaped structure. During sampling operation, the handle is rotated to drive the front end of the brush rod to rotate, so that the bristles cover an inverted pear-shaped uterine cavity area; after the bristles finish sampling, the movable pipe is controlled to move towards the top bead, so that the bristles are folded and protected by the movable pipe; the sampling efficiency, the sample integrity and the diagnosis accuracy can be improved.

The utility model provides an artificial insemination tube assembly, which belongs to the technical field of insemination tubes and comprises a storage tube, a push rod and an annular air bag, the push rod and the annular air bag are arranged on the storage tube, a feeding tube is arranged on the side wall of one end of the storage tube, and a seminiferous duct is mounted at one end of the storage tube. According to the insemination device, the annular air bag arranged on the outer side of the seminiferous duct expands while insemination is conducted, it is guaranteed that the device is fixed, meanwhile, the situation that semen flows back after insemination is effectively prevented, and then the probability of pregnancy is improved, meanwhile, two one-way valves are installed on the two sides of the annular air bag, and after the annular air bag completely abuts against the inner wall of a uterine cavity, the two one-way valves are closed. When the device is taken out, the other one-way valve is forced to be opened and closed to supplement air into the annular air bag from the outside in the subsequent process of taking out the device, so that the push plug is convenient to move to the initial position, and the safety of the device is improved. The subsequent addition and use of the seminal fluid are convenient.

The invention provides a uterine cavity balloon supporting device and a preparation method, which are used for solving the problem that in the prior art, when a supporting head is used, cervical injury is easily caused. The catheter comprises a first catheter body, a second catheter body and a supporting head made of flexible materials. The supporting head is made of the flexible material, when the expansion medium is conveyed into the supporting head through the conveying channel formed between the inner side wall of the second catheter and the inner side wall of the first catheter, the supporting head can deform and expand to be in the uterine cavity shape, the supporting head can support the uterine cavity, and intrauterine adhesion is prevented. After use, the supporting head can be attached to the first catheter by drawing out the expansion medium in the supporting head, so that the supporting head can be taken out of the human body conveniently. Therefore, the situation that the uterine cavity is scalded due to the fact that liquid with different temperatures is input, and the supporting head is still in an expanded state after use, so that when the supporting head is taken out, the supporting head clamps the cervix uteri, the supporting head is inconvenient to take out and the cervix uteri is injured is avoided.

The application discloses a kind of hysterosalpingogram automatic lesion detection method, system, comprising the following steps: 1: CMOS image sensor gathers analog signal in uterine cavity, and illumination is provided using LED;2: convert analog image signal into digital image signal by analog-digital conversion chip;3: using ISP processor, image signal is carried out ISP image processing;4: image quality is evaluated by image quality control module, and LED brightness is dynamically adjusted, 5: using NPU chip, image AI uterine cavity lesion detection is carried out to the image after processing;6: real-time output image and superimposed detection result display.The application system integrates advanced image acquisition, processing and display technology, proposes a kind of hysterosalpingogram automatic lesion detection method, through automation, intelligent way, the speed and accuracy of hysterosalpingography lesion detection are significantly improved, and strong support is provided for clinical diagnosis and treatment.

The utility model relates to the technical field of medical devices, in particular to a uterine cavity indwelling drainage device which comprises a sacculus, a drainage tube, a filling tube and a drainage bag, the sacculus is roughly of an isosceles triangle structure with the wide upper portion and the narrow lower portion, and a conical through hole with the outer diameter gradually decreasing from top to bottom is formed in the middle of the sacculus. The top end of the drainage tube is communicated with the bottom end of the conical through hole, and the bottom end of the drainage tube is communicated with an input port in the middle of the top end of the drainage bag; the balloon is of a hollow structure, and a filling opening communicated with the top end of the filling pipe is formed in the left side of the bottom of the balloon. According to the utility model, the unfilled balloon and the drainage tube are fed into the uterine cavity, and then the balloon is filled through the filling tube to enable the balloon to be wider than the uterine cavity opening, so that the drainage device can be retained in the uterine cavity, and hydrops in the uterine cavity can be drained into the drainage bag through the conical through hole in the middle of the balloon and the drainage tube.

1. Name of the product in this design: Disposable hysteroscope. 2. Purpose of this design: To observe the morphology and lesions within the uterine cavity and to perform surgical procedures. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

An everting balloon system is disclosed that can be used for the placement of an IUD within the uterine cavity of a female patient. The everting balloon system with IUD can be used to access a uterine cavity at specific locations in the fundus. A one-handed IUD delivery system for placement with an everting catheter is disclosed. An IUD loading system for placement within an everting catheter is disclosed. The everting catheter with an IUD can simplify the process of IUD placement within the uterine cavity.

This invention provides a transcervical access system for moving fluids transcervically. [Solution] The transcervical access system 100 is effective in transferring a wide range of fluids into the uterine cavity, including the delivery of a hydrogel precursor, saline solution, and imaging fluid. The transcervical access system 100 is also effective in removing fluids, such as residual bodily fluids, residual fluids from procedures, or tissue from the uterine cavity. The transcervical access system 100 includes a flow limiter, such as an outflow limiter 106 and / or a cervical plug. A method of using the transcervical access system 100 involves using the transcervical access system 100 to transcervically access the uterine cavity and to install the hydrogel. The transcervical access system 100 and related methods are useful in preventing adhesions after intrauterine procedures by providing a biodegradable hydrogel within the uterine cavity, including the cervix.

1. The name of the design product: disposable uterine cavity imaging catheter. 2. The use of the design product: through the cervix into the uterine cavity, for the diagnosis and auxiliary operation of uterine cavity diseases. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The invention relates to a self-adaptive sliding rotation type modularized after-loading source applicator which comprises a uterine cavity catheter and at least two fornix catheters, a central positioning base is arranged at the end, away from the uterus, of the uterine cavity catheter, and at least two sliding rotation mechanisms are arranged on the surface of the central positioning base. Each set of sliding and rotating mechanism comprises a T-shaped sliding groove and a rotating column, the T-shaped sliding groove is formed in the length direction of the central positioning base, the rotating column is fixedly connected with one fornix guide pipe, a T-shaped column matched with the T-shaped sliding groove in size is arranged at one end of the rotating column, and the rotating column is screwed on the groove bottom face of the T-shaped sliding groove through a locking bolt. Through functional combination of multiple modules such as sliding adjustment, angle rotation and limiting control, adaptive adjustment of a non-standard uterus anatomical structure is realized, high modularization, individualization and image guide compatibility are realized, and conformity, safety and repeated operation consistency of close-range radiotherapy of gynecological tumors in complex patients are remarkably improved.

The utility model discloses a multifunctional drainage tube fixing application, which relates to the field of medical instruments and comprises an application base layer, a fixing strip is arranged on the application base layer, two hook-and-loop fasteners are arranged on the fixing strip at intervals, the two hook-and-loop fasteners are in different colors, and the two hook-and-loop fasteners limit a uterine cavity drainage tube and a urinary catheter respectively. The uterine cavity drainage tube and the urinary catheter can be effectively distinguished, the situation that mistakes are made is avoided, the problem of cross infection is avoided, meanwhile, the catheter can be fixed, the traction pain during turning over and moving is reduced, and the comfort level of a patient is improved.

The utility model belongs to the technical field of uterine cavity hemostasis for gynecologic surgery, and discloses a uterine cavity hemostat for gynecologic surgery, which comprises a hemostat body, a needle tube and a fixing mechanism, the hemostat body comprises a valve body, a water injection tube and a balloon, one end of the valve body is connected with the end of the needle tube, and the other end of the valve body is connected with the water injection tube. A balloon is installed on the periphery of one end of the water injection pipe, a first connecting block is installed on one side of the needle tube, one side of the first connecting block is connected with a connecting rope, the other end of the connecting rope is connected with a second connecting block, the second connecting block is connected with one side of the fixing mechanism, and the balloon comprises a surface layer and an airtight layer. The device is simple and reasonable in structure, novel in design and easy to operate, and the situation that due to the fact that the needle tube pressing speed of an operator is too high, the normal saline injection pressure is increased suddenly, the valve body pops up accidentally from the connecting position of the needle tube end, and then timely treatment on a patient is affected can be effectively avoided.

The invention relates to the technical field of medical instrument application, in particular to a universal labyrinth source applicator and a method for realizing multi-angle accurate implantation thereof, and aims to solve the problems of insufficient focus dose coverage, high treatment cost and high efficiency caused by the fact that a bare-handed implantation or printing mold guide implantation mode is generally adopted during cervical cancer radiotherapy. And the cervical cancer radiotherapy effect is finally influenced. According to the method, function design is carried out on the implantation path of the implantation needle of the source applicator, then the source applicator is placed in a mathematical coordinate system, image data are scanned through CT equipment, the vertical distance, namely the transverse implantation range, from the tumor target position to the uterine cavity tube is calculated, and then the depth, needing to enter the tumor, of the implantation needle is calculated according to the number of image layers from the tumor target position to the lower surface of the source applicator. After the needed needle insertion channels are predicted, the multiple needle insertion channels of the labyrinth insertion source applicator are selected for insertion, so that the radioactive source can accurately cover a tumor focus treatment area during tumor after-loading treatment, and the overall treatment effect of cervical cancer is greatly improved.

The utility model discloses a uterine cavity hemostat which comprises a connecting pipe and a compression air bag, one end of the connecting pipe is provided with a first connector through a first fixing plate, the first connector is communicated with the interior of the connecting pipe, and the end face of the other end of the connecting pipe is provided with a second fixing plate. A plurality of air holes are formed in the side wall of the end, close to the second fixing plate, of the connecting pipe, the outer side of the end, close to the second fixing plate, of the connecting pipe is sleeved with the compression air bag, and the compression air bag communicates with the interior of the connecting pipe through the air holes; the uterine cavity wetting device has the advantages that clear water is slowly injected into the uterine cavity through the water supply mechanism, the uterine cavity is wetted, the situation that a hemostasis position is torn due to contraction of a subsequent compression air bag is avoided, and secondary bleeding is effectively avoided.

The present invention relates to the field of uterine manipulators, and in particular to a multifunctional uterine manipulator with quick adjustment, comprising a support seat and a distance adjustment mechanism. The multifunctional uterine manipulator with quick adjustment described in the present invention adjusts the diameter and length of the uterine manipulator cup by means of a first fine-tuning screw on the fine-tuning shaft, while the second fine-tuning screw on the fine-tuning shaft can also synchronously adjust the size of the guide rod, so that the guide rod and the uterine manipulator cup are synchronously adjusted to adapt to the size of the uterus, thereby improving the firmness of the guide rod and the uterine manipulator cup after fixing uteruses of different sizes. In addition, an inflatable airbag is provided on the guide rod, and one end of the inflatable airbag is propped up by pressurized gas to form a bulge structure, so that the guide rod can be stuck in the uterine cavity through the inflatable airbag. This solves the problem that the size of the guide rod cannot be changed accordingly with the overall length of the uterus, which causes the uterus to easily slip off the guide rod and interfere with the smooth progress of uterine removal.

The present application relates to the technical field of medical devices, and particularly relates to a uterine cavity tissue cutting biopsy device facilitating sampling, comprising a cutter body and a negative pressure sampling bottle detachably connected with the cutter body, wherein the sample cut by the cutter body enters the negative pressure sampling bottle based on negative pressure, and the negative pressure sampling bottle is provided with a negative pressure regulator. The uterine cavity tissue cutting biopsy device facilitating sampling can synchronize the cutting and sample collection, and the sampling bottle can be quickly taken down without disconnecting the negative pressure device, and the negative pressure can be quickly drawn when needed, so that the uterine cavity tissue cutting biopsy device facilitating sampling can quickly reach the required negative pressure value, and has the advantages of simple structure, low cost, no noise, no vibration, and convenient operation for doctors.

The invention discloses a novel clinical uterine curettage device for gynaecology and obstetrics, and relates to the technical field of uterine curettage devices, the novel clinical uterine curettage device for gynaecology and obstetrics comprises a handle, a length adjusting mechanism, an angle adjusting mechanism and a rotating mechanism are arranged on the inner side of the handle, a movable cylinder is arranged on the inner surface of the length adjusting mechanism, and a deformation mechanism is arranged at one end of the movable cylinder. According to the novel clinical uterine curettage device for the obstetrics and gynecology department, by arranging the deformation mechanism, the opening amplitude and shape of the deformable curettage ring can be precisely adjusted, the deformable curettage ring is made to adapt to the sizes and shape differences of uterine cavities of different patients, compared with a fixed arc-shaped structure, friction and extrusion generated when the curettage assembly enters the uterine cavity are reduced, the operation entering difficulty is lowered, and the pain feeling of the patients is reduced; the problems that most scraping assemblies of an existing clinically-used uterine curettage device are of a fixed-shape arc-shaped structure, the entering difficulty is increased, the operation time is prolonged, high pain can be brought to a patient, even complications such as uterine cavity mucosa injury can be possibly caused, and postoperative recovery of the patient is affected are solved.

The invention relates to the field of intrauterine devices, and discloses a degradable intrauterine device which comprises a main rod, an automatic anchoring and degrading mechanism is arranged outside the main rod, a tail line mechanism is arranged at the rear end of the main rod, a developing and pre-breaking mechanism is arranged in the main rod, the automatic anchoring and degrading mechanism comprises an adaptive coating, and the adaptive coating is arranged in the main rod. The inner portion of the adaptive coating is fixedly connected to the outer portion of the main rod, the front end of the main rod is connected with two side arms through an adjusting assembly, the outer portions of the side arms are fixedly connected with flexible soft anchors, the adjusting assembly comprises a fixing ring, and the outer portion of the fixing ring is fixedly connected to the front end of the main rod. After the intrauterine device enters a uterine cavity, the shape memory polymer of the side arm receives a body temperature signal and is synchronously, slowly and softly unfolded into a T shape under the guidance of the fixing ring and the spherical hinge, and the flexible soft anchor at the tail end lightly abuts against the uterine base; the fixing ring and the spherical hinge enable the intrauterine device to enter a'dynamic adaptation mode ', and uterine contraction pressure is buffered.

The application relates to the technical field of postpartum hemostasis, and discloses a gynecological hemostasis device which comprises an extension flow guide mechanism and an inflatable compression hemostasis mechanism. One end of the extension flow guide mechanism away from the inflatable compression hemostasis mechanism is provided with an electric pressure relief mechanism, and both sides of the electric pressure relief mechanism are provided with mechanical pressure relief mechanisms. The gynecological hemostasis device can monitor and feedback control the internal air pressure in real time by means of the electric pressure relief mechanism during use. When the uterus contracts and extrudes the internal compression air bag to cause the air pressure to rise, the electric pressure relief mechanism can be quickly started to release pressure to maintain pressure stability. Meanwhile, the two sets of mechanical pressure relief mechanisms arranged in parallel can automatically work when the electric pressure relief mechanism fails or responds with delay, forming a double-redundancy protection mechanism, so that the compression effect of the device on the uterine cavity during the uterine contraction process is always within the preset safe pressure range, and the risk of excessive local pressure in the uterus is effectively prevented.

The utility model discloses a pair of uterine cavity supporting forceps, which relates to the technical field of medical treatment, and comprises a transverse distraction mechanism, a longitudinal distraction mechanism is arranged on the bottom surface of the transverse distraction mechanism, the transverse distraction mechanism comprises a handle I, the side surface of the handle I is fixedly connected with a limiting sliding chute, one end of the handle I is fixedly connected with a fixed disc, and the other end of the handle I is fixedly connected with a movable disc. And the top surface of the fixed disc is fixedly connected with a rotating rod. The longitudinal distraction mechanism is fixed to the bottom face of the transverse distraction mechanism through the peep window, the peep window can conduct a series of operations on the interior of the uterus after the whole device is distraction, and the distraction plate is attached to the bottom face of the transverse distraction mechanism and inserted into the uterine cavity along with the transverse distraction mechanism. When the transverse opening mechanism is opened and fixed, a pull rod can be pinched forcibly, at the moment, a third sliding head is opened with a movable rod as the axis, a threaded sliding rod can slide in a fixed sliding groove, and when the opening angle is appropriate, a fixing nut can be rotated to lock the opening angle of the third sliding head.

The invention relates to an RNA interference factor loaded temperature-sensitive biomimetic material for uterine cavity repair and a preparation method of the RNA interference factor loaded temperature-sensitive biomimetic material. The temperature-sensitive biomimetic material is composed of a temperature-sensitive hydrogel carrier and an RNA interference factor loaded on the temperature-sensitive hydrogel carrier, the temperature-sensitive hydrogel carrier takes poly (N-isopropylacrylamide) as a main chain, and the main chain, chitosan and sodium hyaluronate form a copolymerization network structure through free radical polymerization; the RNA interference factor is loaded in the temperature-sensitive hydrogel carrier through a nano-particle carrier, the nano-particle carrier is PLGA-CS (poly (lactic-co-glycolic acid)-CS nano-particles, and MALAT1-siRNA and / or miRNA-21 simulants are wrapped in the PLGA-CS nano-particles. According to the application, a temperature-sensitive gel material and an RNA interference technology are combined for the first time to construct a novel uterine cavity repairing carrier, and through the synergistic effect of the physical barrier characteristic (body temperature gelling to seal a wound surface) of the temperature-sensitive gel and the gene regulation function (targeted inhibition of a fibrosis pathway) of RNA interference, the postoperative adhesion recurrence risk of the uterine cavity is remarkably reduced, and the postoperative healing of the uterine cavity is promoted. And high-quality repair of endometrial structures and functions is promoted.

The invention relates to the technical field of uterus image segmentation, in particular to a woman uterus disease auxiliary diagnosis and evaluation system based on magnetic resonance imaging. After a uterus image of a patient is obtained and a uterine cavity area is positioned, clustering clusters are divided according to pixel gray values by using a clustering algorithm to correspond to different uterus areas. And generating an endometrial region descriptor and screening out an endometrial region by combining the pixel number distribution of each region, the gray features and the shape difference between the endometrial region descriptor and the uterine cavity. Performing gray scale segmentation on the region to extract a high-signal region, and calculating an internal descriptor according to internal edge distribution and morphological characteristics of the high-signal region; meanwhile, an external descriptor is generated based on edge pixel neighborhood gray scale difference. And finally fusing internal and external descriptors to realize auxiliary diagnosis of uterine diseases. According to the method, the uterus image with obvious uterine cancer staging development tendency can be screened out, and a more accurate diagnosis effect is provided for related personnel.

This invention belongs to the field of biomaterials technology and discloses a two-component in-situ crosslinking agent, a biodegradable two-component hydrogel, and their applications. The two-component in-situ crosslinking agent disclosed in this invention has injectability and rapid gelation properties. The hydrogel formed after crosslinking has a low self-swelling rate, good elasticity, and is not easily crushed. It also has a suitable metal ion slow-release cycle and degradation cycle for preventing tissue adhesion or tissue repair. It is especially suitable for high-risk areas of postoperative adhesion such as the uterine cavity, abdominal cavity, and joints, and can also promote tissue regeneration.

The gynecological uterine cavity sampler comprises a sampling tube and a sampling hole formed in the end part of the sampling tube, and further comprises a piston, and the piston is arranged in the sampling tube; one end of the push-pull rod is positioned in the sampling tube and is fixed with the piston; the plugging assembly is arranged on the sampling tube, the plugging assembly is used for plugging the sampling hole, the sampling tube is moved into the uterine cavity, the plugging assembly is used for removing plugging, and the sampling hole is temporarily plugged through the sliding sleeve, so that when a medical worker uses the sampling tube to penetrate through the vagina of a patient, the plugging assembly is used for plugging the sampling hole and moving the sampling tube into the uterine cavity; the condition that secreta in the vagina enters the sampling tube from the sampling hole in the uterine cavity penetrating process is avoided, then the sampling purity is improved, the detection accuracy is improved, when the sampling hole is located in the uterine cavity of a patient, the handle is pulled to drive the arc-shaped piece to move, and therefore the sliding sleeve is driven to move to open the sampling hole, and the sampling tube is closed. And meanwhile, sampling operation is performed.