52 results about "Cervical os" patented technology

A method and system of providing therapy to a patient's uterus. The method includes the following steps: inserting an access tool through a cervix and a cervical canal into the uterus; after inserting the access tool into the uterus, creating a seal between an exterior surface of the access tool and an interior cervical os; providing an indication to a user that the seal has been created; delivering vapor through the access tool lumen into the uterus; and condensing the vapor on tissue within the uterus. The system has an access tool with a lumen, the access tool being adapted to be inserted through a human cervical canal to place an opening of the lumen within a uterus when the access tool is inserted through the cervical canal; a seal disposed at a distal region of the access tool and adapted to seal the access tool against an interior cervical os; a sealing indicator adapted to provide a user with an indication that the seal has sealed the access tool with the interior cervical os; and a vapor delivery mechanism adapted to deliver condensable vapor through the access tool to the uterus, the condensable vapor being adapted to condense within the uterus.

A cervical tenaculum is provided having an applicator member with a longitudinal lumen and a tubular member dimensioned to reciprocate within the lumen. The applicator and tubular members are first connected one to the other by engaging protrusions extending from the distal end of the tubular member with matching grooves inside the lumen. After positioning the applicator member in the cervical os of a patient, the protrusions are disengaged from the grooves, and the tubular member is disconnected from the applicator member and removed from the patient. The applicator member instead remains positioned in the cervical os and provides access to the uterine cavity by a clinician. In different embodiments, the applicator member is frustoconical in shape and has one or more ridges disposed on its outer surface, and a control arm is connected to the applicator member for accurate positioning into the cervical os.

The invention discloses a colposcopy image-based cervical cancer detection method, device and terminal equipment and a computer readable storage medium. The method comprises the following steps of: ina bidirectional convolutional neural network-based cervical cancer detection model, positioning and extracting a cervical opening position of an obtained colposcopy image so as to generate an ROI image comprising a cervical cancer disease area; extracting a cutting edge of the ROI image through a bidirectional convolutional neural network so as to generate a cut image; and carrying out cancer grade classification on the cut image through a classification convolutional neural network so as to output a cervical cancer lesion grade and then rapidly and correctly obtain a cervical cancer detection result. According to the method, doctors that are lack of experiences can be helped to rapidly judge diseased regions, discover atypical diseased regions and judge the disease degrees and sampling regions, so that help and auxo-action are provided for discovering cervical cancer and precancerous lesions.

The invention provides a flexible and foldable biomembrane and a preparation method thereof. The flexible and foldable biomembrane is composed of an inner layer and an outer layer, wherein the outer layer is a medical polyurethane membrane which can be fragmented after absorbing liquid, the inner layer is a wounded surface covering layer and is composed of, for example, chitosan and derivatives thereof or alginate or the mixture dressings of both the chitosan and the alginate, the inner layer can be separately applied to wounded surface repairing and can be used for bonding treatment medicinesto a medicine carrier absorbing layer before the inner layer is used to achieve a treating effect, wounded surfaces comprises skin, mucous membranes or in vivo tissues, and the biomembrane is particularly suitable for cervical repairing. The flexible and foldable biomembrane is produced to be a mushroom-shaped, a protrusion is arranged in the middle, before the flexible and foldable biomembrane is used, the treating medicines are bonded to the chitosan and the derivatives thereof or the alginate dressings, when the biomembrane is used, a special vaginal clamp or a special pushing tool is usedfor pushing the biomembrane and covering the surface of os uteri, the protrusion is fixed to orificium vaginae, sustained local application of a cervical part is achieved, and the treating effect onchronic cervical diseases of cervical erosion and HPV is improved.

A device and method for improving fertility among couples after intercourse is disclosed. The device and method uses an intravaginal device that collects ejaculate from the vaginal canal after intercourse and presents it to the os of the cervix. The device also serves to contain ejaculate near the cervical os to increase the chances of successful fertilization.

The invention is directed to tenaculum-like devices and systems for the intravaginal delivery of therapeutic or diagnostic devices and particularly for occluding a female patient's uterine arteries in order to treat uterine disorders. Included are methods for grasping, manipulating and retaining tissue. The tenaculum-type device has a distal portion with a sound configured to enter a cervical os without causing undue trauma or discomfort to the patient, and a retention or tissue grasping mechanism with a grasping element such as a spike configured to engage and retain a patient's cervix. The tenaculum-type devices embodying features of the invention may have an expandable distal tip to more securely be engaged within the patient's uterine cervical canal.

The invention discloses a clinical uterus cleaning device for gynaecology and obstetrics. The clinical uterus cleaning device comprises a cleaning shell and an infusion pump, wherein a water storage inner shell, an auxiliary inner shell and a push rod motor are fixedly installed in the cleaning shell; an auxiliary distraction mechanism is arranged in the auxiliary inner shell and used for distraction of a cervix; the liquid pumping end of the infusion pump communicates with a cleaning suction pipe; a water pump is fixedly installed on the inner bottom wall of the water storage inner shell; thewater inlet end of the water pump communicates with the water storage inner shell, and the water outlet end of the water pump communicates with a water outlet pipe penetrating through the water storage inner shell; and a suction head is fixedly installed at the bottom end of the water outlet pipe. By means of the auxiliary distraction mechanism, the cervix can be easily distraction, convenience is brought to follow-up uterus cleaning, after distraction, the infusion pump is started firstly, tissue fluid in the uterus is sucked through a cleaning suction pipe, and therefore uterus cleaning iseasily achieved, psychological pressure of a patient is reduced, working intensity of doctors is reduced, and operation of the doctors is facilitated.

The invention discloses a uterine cavity hemostatic component for postpartum women. The hemostatic component includes a hemostatic balloon, the hemostatic balloon includes a balloon, a blood drainagetube and a liquid injection tube communicating with the balloon, the balloon is fixed on the blood drainage tube, the tail end, far away from the balloon, of the blood drainage tube is provided with an opening, the upper end of the blood drainage tube is provided with at least one through hole, and the liquid injection tube passes through the blood drainage tube and passes out from the side wall of the tail end of the blood drainage tube; and the hemostatic component is characterized by further including a fixing device, the fixing device is arranged on the part, located under the balloon, ofthe blood drainage tube, and the fixing device includes a supporting ring for lifting a uterus and sealing a cervix. Under the lifting action of the supporting ring, the cervix is placed in the middlepart of the supporting ring, so that the supporting ring has the effect of squeezing the cervix inward, and the balloon in the uterus cannot slide out from the cervix; and the supporting ring shrinksthe cervix to prevent blood from flowing into a vagina through the cervix, and the hemostatic component is convenient for observation and operation.

The invention provides a visible artificial fetal membrane breaking device which comprises an expanding device and a fetal membrane breaking device, wherein the fetal membrane breaking device furthercomprises an inner tube, an fetal membrane breaking needle, a pull rod, a camera and an outer tube; the pull rod drives a rubber plug to be in piston connection with the inner tube so as to form a negative pressure cavity in the inner tube; a spherical bulge is arranged at the front end of the inner tube; a plurality of sucking holes are formed in the outer side of the spherical bulge; the fetal membrane breaking needle is fixedly arranged on the spherical bulge; the outer tube is arranged on the outer side of the inner tube; and the expanding device is arranged on the outer side of the outertube. The device is simple in structure and convenient to use, a colpectasia state can be kept, cervix disinfection can be benefited, fetal membrane breaking operation is implemented on a fetal membrane separated from a fetal head through negative pressure, vasa previa of the fetal membrane and the color of an amniotic fluid can be conveniently observed, amniotic fluid sampling can be implemented,the whole process is under visible operation, and no damage can be done to fetuses or puerperae.

The present invention is related to an apparatus for uterine anesthesia that comprises an outer tube and an inner tube positioned within the outer tube. The apparatus is positioned in the cervical os of a patient and an anesthetic is dispensed through the inner tube. A stopper surrounding the inner tube prevents a drainage of the anesthetic through the interstice between the two tubes, while an applicator surrounding the outer tube prevents a loss of the anesthetic along the cervical walls and into the vaginal canal. The applicator also maintains the cervical os in a dilated position, operating as a tenaculum and providing access to the uterus by a clinician. Methods for providing uterine anesthesia are also provided.

The invention discloses a cervical orifice dilatation examination device for gynaecology and obstetrics and capable of relieving nervous emotion, and relates to the technical field of medical instruments. The cervical orifice dilatation examination device comprises a connecting plate, a bearing is fixedly arranged in the connecting plate, a threaded sleeve is fixedly connected in the bearing, a threaded rod is in threaded connection with the interior of the threaded sleeve, and first lug plates are fixedly connected to the left side wall and the right side wall of the connecting plate. Throughmutual cooperation of the threaded sleeve, the threaded rod, a U-shaped linkage rod, a torsional spring, semi-circular plates and a linkage rod, the threaded sleeve can drive the threaded rod in threaded connection to move up and down by rotating the threaded sleeve, then the threaded rod drives the linkage rod hinged to the upper end to drive the semi-circular plates on the two sides to be closed or opened, so that the semi-circular plates replace the hand of a doctor to perform ten-finger dilatation examination on the cervical orifice of a puerpera, the upper ends of the two semi-circular plates are fixedly connected with semi-spherical plates, so that the examination device can extend into the closed vaginal orifice, and the vagina of the puerpera can be subjected to supporting examination.

The invention discloses an integrated uterine orifice and fetal head position measuring device which comprises a vaginal speculum assembly, the vaginal speculum assembly comprises two blades matched with each other, the tail ends of the two blades are hinged to each other to form an oval hole, a measuring rod seat is detachably arranged in the oval hole, a depth ruler is arranged on the measuring rod seat in a sliding mode. A light source adjusting rod is further arranged on the measuring rod base in a sliding mode, a uterine orifice measuring light source is arranged on the light source adjusting rod, the center line of a light beam emitted by the uterine orifice measuring light source coincides with the center line of the oval foramen, the light beam emitted by the uterine orifice measuring light source is emitted out along a fixed emergence angle, and a first depth scale is arranged on the depth ruler. And a second depth scale is arranged on the light source adjusting rod. The device has the advantages that the position of the fetal head and the size of the cervix can be measured at the same time, the natural size of the cervix is measured in a non-distraction mode, measured cervix data are more real and reliable, and measurement discomfort is reduced.

The invention discloses a pressure-precision adjustable uterus hemostasis balloon device which can extrude a uterus bleeding part and make a slack uterus neck opening close upwards so as to prevent ahemostasis balloon from coming off the uterus neck opening; and the device can also collect two pieces of data including a volume of blood drained from a uterus neck and a volume of hematocele drainedfrom the uterus neck. The technical scheme is characterized in that the pressure-precision adjustable uterus hemostasis balloon device comprises an existing liquid injection and hemostasis componentand a liquid injection device and also comprises a uterus neck cover, wherein the uterus neck cover is disposed under the hemostasis balloon and provided with an airbag inside, a slide channel is disposed at the center, a first drainage pipe can be moved on the slide channel, a limiting structure is disposed between the slide channel and the first drainage pipe, and the uterus neck cover is fixedon the outer wall of the first drainage pipe by the limiting structure in a dismountable manner. The airbag inside the uterus neck cover can realize clamping of the uterus neck cover between a vaginaposterior fornix and the inner side of an arcus pubis after being inflated, and the uterus neck cover is extruded to the inner side of the uterus neck opening, so that the uterus neck opening tends tobe closed; and the uterus neck cover is also provided with a liquid drainage hole, a second drainage pipe and a collection bag.

The invention discloses photodynamic therapy equipment for cervical and vaginal early cancer and precancerous lesions. The photodynamic therapy equipment comprises an extension tube, a expansion balloon and a light-emitting structure, the equipment is characterized in that the expansion balloon for expanding vagina is arranged on the outer side of the extension tube, a filling tube extends out ofthe expansion balloon, a filling pipe is connected with a filling structure, a light-emitting structure for emitting treatment wavelength light is arranged in the extension tube, the expansion balloonand the extension tube are of transparent structures, and a light generator is connected with light-emitting structure. During use, when the balloon is not inflated, the balloon clings to the extension tube and enters a proper position of the vagina along with the extension tube, and then the balloon is inflated with gas or liquid to expand the vagina, so that vagina wrinkles are expanded, partial parts are prevented from being shielded, a whole cervix opening can be effectively exposed when expansion, the shielding is prevented, then the light generator is turned on, and the light-emitting structure extends into a designated position through the extending tube to carry out photodynamic therapy.

The invention discloses a deformable cervical support. The deformable cervical support comprises an inner ring body (1), an outer ring body (2) and a valve body (3), wherein the inner ring body (1) is a hollow ring body, and a hollow ring sleeve (12) is defined by the inner ring body (1) in a surrounding mode and used for sleeving the cervix uteri; the outer ring body (2) is a hollow ring body, and a cylindrical inner space (23) is defined by the outer ring body (2) in a surrounding mode; the inner ring body (1) is positioned in the inner space (23) of the outer ring body (2); the inner ring body (1) and the outer ring body (2) are jointed together to jointly define a closed cavity; the valve body (3) is mounted on the outer ring body (2) and is in fluid communication with the closed cavity; and the deformation of the inner ring body (1) is greater than the deformation of the outer ring body (2) under the action of the same force. By means of the deformable cervical support, different amounts of liquid or gas are injected into the closed cavity, and the shape of a cervical opening can be adjusted according to requirements.

The invention discloses a stability-enhanced levonorgestrel intrauterine sustained release system and production equipment thereof, the stability-enhanced levonorgestrel intrauterine sustained release system comprises a levonorgestrel rubber rod, the stability-enhanced levonorgestrel intrauterine sustained release system is characterized in that the lower end of the levonorgestrel rubber rod is provided with a stabilizing structure, and the upper end of the levonorgestrel rubber rod is provided with a supporting structure; the device has the advantages that the stable structure with the four arc-shaped strips is arranged below the levonorgestrel rubber rod and close to the uterine cavity, the four arc-shaped strips are in the shape of a lantern framework, meet different cervical opening sizes and are prevented from falling off, meanwhile, the four arc-shaped strips are arranged on the four arc-shaped strips in an externally-expanded mode and located in the uterine cavity, the system is stably placed in the uterine cavity, and therefore the stability of the system is improved. The levonorgestrel rubber rod is arranged on the intrauterine device, system position deviation is avoided, the birth control effect is guaranteed, the supporting structure is arranged above the levonorgestrel rubber rod, the uterus is in flexible contact with the system during contraction, and the safety of the uterus during contraction is improved.