64 results about "Col uterin" patented technology

The present invention is a more effective and functional device and method for opening of the vagina for examination and treatment of the cervix and viewing the vaginal lining during a gynecological exam, which gently and safely opens the vagina, forming an expanding clear tunnel, which enlarges to display a 360 degree view of the vaginal lining and provides a mirror to offer an additional angle of view of the cervix for improved gynecological diagnosis and treatment.

A prosthetic device for supporting one or both of the anterior cervix and the anterior vaginal wall in a subject comprises a main body and a pair of flexible arms extending from the main body. At least part of the main body is adapted for attachment to the upper anterior vaginal wall, and the arms are configured for secure attachment to one or more stable body portions to suspendingly support the anterior cervix and anterior vaginal wall when in use.

Method and apparatus are disclosed for applying a therapeutic amount of a non-systemic vasoconstrictor inside the uterus to control abnormal uterine bleeding. The abnormal bleeding can be due to excessive menstrual blood flow, bleeding from a surgical procedure, postpartum bleeding or any other acute or chronic condition. The vasoconstrictor includes topical agents such as an alpha-adrenergic agonist, for example oxymetazoline. The delivery system can include a catheter having means for retaining position of a distal portion within the uterus. A proximal portion can extend outside of the body for coupling to a vasoconstrictor source, or alternatively, the proximal portion can terminate within the vaginal canal and include a docking port for coupling to a source of vasoconstrictor that is inserted therein. In other embodiments, an applicator is disclosed that is positioned in fluid communication with the lumen of the cervix and allows application of a vasoconstrictor therein.

The invention discloses a cervical lesion prediction system based on multi-modal feature level fusion. The system comprises a computer memory, a computer processor and a computer program which is stored in the computer memory and can be executed on the computer processor, a cervical lesion prediction model is stored in the computer memory and comprises an acetic acid image feature extraction network, an iodine image feature extraction network and an auxiliary module used for fusing extracted features. When the computer processor executes a computer program, the following steps are realized: receiving an acetic acid image and an iodine image in colposcopy, and cutting out an area containing cervix uteri; respectively inputting the acetic acid image and the iodine image into an acetic acid image feature extraction network and an iodine image feature extraction network in the cervical lesion prediction model, respectively inputting the acetic acid image and the iodine image into respective auxiliary modules after feature extraction, carrying out feature fusion, and outputting a prediction result through calculation. According to the system, the prediction result can be more accurate so as to assist a doctor in making correct diagnosis and judgment.

A method of performing a laparoscopic hysterectomy treatment or other laparoscopic treatment on a patient, utilizes a transvaginal surgical device that includes a tube having a diameter greater than the patient's cervix, and an annular edge which lies substantially in a plane non-normal to its tubular axis, and a sealing structure capable of sealing the tube during surgery to maintain the pneumoperitoneum. The method includes introducing the device into the patient's vagina so that the annular edge defines a cervico-vaginal junction, and separating the cervix from the vagina at the defined cervico-vaginal junction.

The invention discloses a vaginal closure system capable of being used under a laparoscope, and particularly relates to the field of medical instruments. The system comprises a pair of closing forceps, the closing forceps comprise a main body rod, a fixed handle is fixedly arranged at the tail end of the main body rod, a movable handle is arranged on one side of the fixed handle, the movable handle is rotatably connected to the fixed handle through a bearing, and two clamping forceps heads are arranged at one end, away from the fixed handle, of the main body rod. By using the closing forceps,the end, provided with the clamping forceps head, of the closing forceps extends into the abdominal cavity of a patient through the puncture hole in the abdominal wall of the laparoscope, and the vagina is closed before the uterus, accessories and the upper section of the vagina are to be excised, so that tumor tissue of the cervix uteri is prevented from being exposed in the abdominal cavity after the vagina is excised, and implantation metastasis is reduced; then an electrotome cuts open the vaginal wall below the closed part, and the cut uterus, accessories and vaginal upper section tissueare taken out through the vagina; and finally, the vaginal stump is sutured, the tumor-free principle of a tumor operation is effectively followed, and the operation time is saved.

A uterine manipulator device includes: an elongated cannulated tube having proximal and distal ends, a cervical cup positioned on the elongated cannulated tube with a top distal portion of a first diameter and a base proximal portion of a second smaller diameter, and an occluder assembly comprising an occluder positioned proximally from the cervical cup on the elongated cannulated tube, the occluder having a body with at least one primary rib and at least two secondary ribs, wherein a diameter of at least one secondary rib is smaller than the diameter of the primary rib.

The invention relates to the technical field of medical instruments, and discloses a cervical dilatation balloon catheter. According to the cervical dilatation balloon catheter, tablets are placed in a medicine storage cavity by rotating a head end, the head end is tightened, lubricating physiological liquid medicine is injected into a sealing injection ring, the lubricating physiological liquid medicine dissolves the tablets into particles and flows out of the medicine outlet holes, so that the inner wall of the vagina of a puerpera is lubricated, meanwhile, the aims of stopping bleeding and suppressing pain are achieved, and comfort is improved; According to the cervical dilatation balloon catheter, a first balloon and a second balloon are filled with normal saline and placed on the inner opening of the cervix uteri, mild mechanical expansion force is generated on the lower uterine segment and the cervix uteri, disappearance of the lower uterine segment and dilatation of the uterine opening are promoted, meanwhile, secretion of endogenous prostaglandin is stimulated through separation and stripping of a fetal membrane, so that the cervix uteri of the puerpera is gradually expanded unconsciously, and accordingly nerves reflect, so that nerve tracts of posterior pituitary release oxytocin, the oxytocin level in maternal blood circulation is increased, uterus contraction is promoted to be continuously enhanced, then labor induction is successful, and the operation efficiency is improved.

A uterine manipulator device includes: an elongated cannulated tube having proximal and distal ends, a cervical cup positioned on the elongated cannulated tube with a top distal portion of a first diameter and a base proximal portion of a second smaller diameter, and an occluder assembly comprising an occluder positioned proximally from the cervical cup on the elongated cannulated tube, the occluder having a body with at least one primary rib and at least two secondary ribs, wherein a diameter of at least one secondary rib is smaller than the diameter of the primary rib.

The invention provides a monoclonal antibody for recognizing HPV16 positive cervical epithelial cancer cells, and applications thereof, wherein the antibody can specifically detect the cervical cancer biomarker HPV16E7 protein in tumor cells so as to distinguish the cancerous cervical epithelial cells and the cervical abnormality or non-cancerous cervical epithelial cells, such that the basis can be provided for doctors so as to accurately diagnose the cancer caused by HPV infection, the missed diagnosis rate of the high-grade cervical lesion can be effectively reduced, the sufficient time and the basis can be provided for the clinical doctor to diagnose and treat the patients, and the early cervical disease detection and the early intervention can be improved; and with the monoclonal antibody, the unnecessary colposcopy can be reduced and avoided.

The invention provides a carrier barrier system applied to the prevention and treatment of metrosynizesis. The carrier barrier system consists of a cervix uteri conformable stuffing injection device and an injected carrier barrier material, wherein the cervix uteri conformable stuffing injection device is formed by connecting a lossless guiding bulb, an endocervical medicinal injection port, blocking sacculus, a double-cavity catheter and a carrier barrier injection port sequentially; and a sacculus injection branch opening is also formed at the position close to the carrier barrier injection port on the double-cavity catheter. The carrier barrier system is characterized in that the blocking sacculus is arranged outside a cervical orifice; the carrier barrier material is a colloid material which can be degraded and absorbed by human bodies; and by the carrier barrier system, the high isolation of uterine cavities can be realized, the concentration of adhesion factors can be reduced, and the regeneration and repair of endometria can be promoted.

The invention discloses a uterine expander for treating obstetrics and gynecology uterine diseases, which belongs to the technical field of uterine expanders for obstetrics and gynecology. A uterine expander for treating obstetrics and gynecology uterine diseases includes; Shell; it is specifically columnar, and the upper diameter is smaller than the lower diameter, and semi-elliptical shallow openings are provided on the front and rear sides of the upper part to fix the duckbill. By pressing the airbag, the anti-off support, the expansion part and the limit locking mechanism can be attached to the cervical wall of the uterus under the action of air pressure, and the inner diameter of the expansion part can be adjusted according to the treatment cycle, so that the diameter of the expansion part can be adjusted at any time , to meet the treatment requirements, at the same time, under the state of internal air pressure, the ejector rod makes the connecting rod stretch out, so that the expanded part is stretched out and contacts the inner wall of the cervix, which can prevent it from falling off; the internal filling of the limit locking mechanism After the gas is released, the limit locking mechanism is opened to contact the bottom of the cervix, so that the inside and outside are combined, so that the device can be firmly attached to the cervix.

The invention relates to a lower uterine segment hemostat, and belongs to the technical field of a medical device. The lower uterine segment hemostat provided by the invention can cover and immobilize entire cervix uterus and lower uterine segment and can take an effective hemostatic effect; and meanwhile, by arranging a locating clip, an external cervical orifice in the tail end of the lower uterine segment can be accurately located and immobilized, so as to facilitate a hemostasis operation and to improve the hemostatic effect. Moreover, the hemostat is provided with a tightening belt, so that the tightness degree of the hemostat can be controlled and regulated, and the lower uterine segment can be effectively contracted and blood vessels of the lower uterine segment can be compressed so as to achieve a combined hemostasis purpose. When the lower uterine segment is well contracted and a bleeding amount is reduced, the hemostat can be taken down more easily, and the cervix uterus and uterus tissues can be protected from being hurt.

An embodiment of the invention discloses a uterine manipulator and an application method thereof. The uterine manipulator comprises a handle, a lifting force arm, a cervix uteri fixing support and a uterus lifting spoon, wherein one end of the lifting force arm is connected with the handle; the cervix uteri fixing support is fixedly connected with the other end of the lifting force arm, and the center of the cervix uteri fixing support is provided with a groove of set depth, the uterus lifting spoon is connected with the cervix uteri fixing support, the groove of the uterus lifting spoon and the groove of the cervix uteri fixing support are located on the same use side, and the uterus lifting spoon is oblique relative to the cervix uteri fixing support. The uterine manipulator has the advantages that the uterine manipulator needs not to be inserted into the uterine cavity, and the uterus position can be changed in the front direction, rear direction, left direction and right direction and at various angles without uterus enlarging so as to achieve clinical treatment and examine the needed uterus position; the uterine manipulator is non-invasive, does not cause risks of bleeding, uterine cavity infection and uterus perforation and does not need to use antibiotics to prevent infection after the uterine manipulator is used.

A system for imaging and examination of a cervix, comprising a control module connectable with a changeable head configured to image the cervix and collect a tissue biopsy, the head selected from a group consisting of a digital colposcope module, a transvaginal optical probe module and an endo-cervical endoscope module. The system may additionally comprise light source(s) to illuminate cervix tissue; sensing device(s) to generate signal(s) from light and / or to acquire image(s) of a portion of a cervix; and processor(s) in communication with the sensing device(s). The system is configured to: (i) analyze the signal(s); (ii) detect the size of the cervix; (iii) determine parameters defining properties of the cervix; (iv) determine and distinguish normal tissue from abnormal tissue within the cervix; (v) determine the location of area(s) of abnormal tissue in the cervix; and (vi) generate a panoramic view of the cervix.

The invention relates to the technical field of physiotherapy instruments, and relates to obstetric forceps for obstetrics and gynecology department. The obstetric forceps comprise clamping forceps, the middle parts of the clamping forceps are riveted with the other group of clamping forceps through rivets; an adjusting mechanism is arranged between the right ends of the two sets of clamping forceps, the adjusting mechanism comprises a hinge shaft, the ends, close to each other, of the right sides of the two sets of clamping forceps are movably connected with threaded sleeve rods through a hinge shaft correspondingly, and the ends, away from each other, of the two sets of first clamping blocks and the two sets of threaded sleeve rods penetrate through the left end and the right end of a protective shell correspondingly and extend out of the protective shell. According to the obstetric forceps, the problem that existing obstetric forceps have fixing and clamping effects is avoided; thedistraction angle of the obstetric forceps can be kept fixed through a fixing mechanism, however, when the angle of the obstetric forceps is adjusted, the distraction angle of the obstetric forceps cannot be slowly and evenly adjusted, and when the angle of the obstetric forceps is adjusted in the cervix uteri, the obstetric forceps can be suddenly distraction excessively, the cervix uteri of a puerpera is cracked, and certain harm is brought to the puerpera.

The present invention provides a method for screening a compound or its salt that alters the binding property between MCH or its salt and SLC-1 or its salt, characterized by using MCH or its derivative or a salt thereof and SLC-1 or its salt is useful for screening an SLC-1 agonist which can be used not only as an appetite (eating) promoting agent but also as a prophylactic / therapeutic agent for weak pains, atonic bleeding, before and after expulsion, subinvolution of uterus, cesarean section, induced abortion, galactostasis, and the like, and an SLC-1 antagonist which can be used not only as an antiobestic agents (drug), an appetite (eating) modulator, and the like, but also as a prophylactic / therapeutic agent for hyperstimulation, ankylosing uterine contractions, fetal distress, uterine rupture, cervical laceration, preterm delivery, Prader-Wili syndrome and the like.

The invention relates to a surgical instrument for dilating the cervix uteri in a gynecological operation, in particular to a cervix uteri dilating instrument capable of dilating the cervix uteri and clamping the cervix uteri at the same time. The cervix uteri dilating instrument is composed of a cervix uteri dilating rod capable of realizing spiral expansion and a cervix holding forceps body, wherein the cervix uteri dilating rod is composed of a shell and a rod core; the cervix uteri dilating rod is inserted into the inner opening of the cervix uteri, and the forceps body is closed to clamp the cervix; the rod core is inserted into the shell of the cervix uteri dilating rod, the rod core gradually enters the threaded part of the shell by rotating a rod core handle clockwise, and when the rod core goes deep into the conical part of the shell, the top end of the shell of the cervix uteri dilating rod gradually expands outwards, so the inner opening of the cervix is slowly expanded; the dilation degree of the shell of the cervix uteri dilating rod is controlled along with the insertion depth of the rod core; and the rod core handle is rotated anticlockwise, the shell is gradually folded, the forceps body is opened, and the cervix uteri dilating rod is taken out by retreating. The instrument can dilate the cervix uteri in a controllable and closed mode, so local stimulation is small; the cervix uteri dilating rod does not need to be replaced in a dilating process or to be inserted into the uterine cavity repeatedly, so influence on the form in the uterine cavity is small, and infection risks are few; and fracture is avoided when the instrument is taken out, cervix uteri traction force is small, and cervix uteri damage is small.

The invention discloses a uterine-expanding rod in the medical appliance domain, which consists of rod bulk and uterine-expanding head, wherein the shape of uterine-expanding head is conoid. The invention avoids infecting effectively, which is easy to operate for doctor.

Disclosed herein are segmented EVA Rings that contain progesterone that can be used to prevent preterm birth in subjects with a shortened cervix or to treat luteal phase deficiency or as luteal phase support.

The invention discloses a vaginal speculum for the gynecology department. The vaginal speculum comprises a shell, a dilation device, a drive device, a spacing device, an illumination device and a magnifying glass, wherein the dilation device is provided with a plurality of stay bars to prevent tissues on two sides of the vagina from squeezing into an observation hole, so that the cervix uteri canbe sufficiently exposed to facilitate observation and operation; the plurality of stay bars are parallel one another, front end openings are as big as the rear end openings, and the discomfortable feeling of a patient can be prevented; the illumination device is provided with a white light LED lamp and a blue light LED lamp, two colors of light sources can be switched in use, the problem that partial secretion or lesion substances in the vagina cannot be clearly displayed when the white light lamp is used for irradiating can be solved, and a doctor can observe clearly, comprehensively and accurately; and switches of the drive device, the spacing device and the illumination device are arranged on the grip, medical staff can operate the vaginal speculum by one hand, and the vaginal speculumis convenient.

A uterine manipulator device includes: an elongated cannulated tube comprising a proximal end and a distal end; a cervical cup having a top proximal portion of a first diameter and a base distal portion of a second smaller diameter, wherein: the base distal portion includes a hole formed therein having a perimeter including a distal end and a proximal end, and including a longitudinal axis positioned therethrough; one of the proximal end of the perimeter and the distal end of the perimeter is angled away from the longitudinal axis and the other of the proximal end of the perimeter and the distal end of the perimeter is in line with the longitudinal axis; and the elongated cannulated tube is positioned through the hole in the cervical cup.

Transcervical access systems for providing transcervical movement of fluids are described. The transcervical access systems are effective for transferring a broad range of fluids, including the delivery of hydrogel precursors, saline, and imaging fluids, to the uterine cavity. The transcervical access systems are also effective for removing fluids from the uterine cavity, such as residual bodily fluids, residual fluids from a procedure, or tissue. The transcervical access systems described include flow limiters, such as egress limiters and / or cervical plugs. Methods of use of the transcervical access systems are also described. Methods include using the transcervical access systems to transcervical access the uterine cavity and install hydrogel. The transcervical access systems and associated methods can be useful for providing degradable hydrogel in the uterine cavity, including the cervical canal, for the prevention of adhesions following intrauterine procedures.

A novel biodegradable material uterine cavity-intracervical contraceptive device and its placement device, including a placer, the placer includes a cylinder, the front end of the cylinder is provided with a hemispherical end face, and the front end of the side wall of the cylinder is provided with an accommodation cavity. The arc-shaped sliding cover is installed on the side, and the two sides of the arc-shaped sliding cover are provided with protrusions. The guide grooves are arranged on the cylinders on both sides of the arc-shaped sliding cover. The protrusions cooperate with the guide grooves so that the arc-shaped sliding cover can move Sliding along the length direction, the arc-shaped sliding cover can cover the accommodating cavity. Some components of its IUD are made of degradable materials in the human body, which are safe, effective and have less adverse reactions. The matching device can push the IUD from the side to the side of the uterine fundus, which is naturally formed near the opening of the fallopian tube. In the space, avoid the hard contact with the uterine wall during the push-out process of the IUD and damage the uterine wall.

The invention discloses a magnetic force-based medical assembly for preventing and treating pelvic organ prolapse. The magnetic force-based medical assembly comprises a pessary provided with an inner magnet and underpants provided with an outer magnet, wherein the pessary comprises a cervix uteri supporting part, a connecting part and a cavity part, the inner magnet is installed in the cavity part, a cover-shaped part is arranged at the opening position of the cavity part, a handle is arranged on the cover-shaped part, and a liquid discharging hole is formed in the axis position of the pessary; when the inner magnet and the outer magnet attract each other, the underpants are attraction type underpants; and when the inner magnet and the outer magnet repel each other, the underpants are repelling type underpants. The pessary provided with the inner magnet and the underpants provided with the outer magnet provide supporting force for the pessary placed in the vagina through mutual repelling or attraction of the inner magnet and the outer magnet, accordingly the effect of suspending a pelvic organ is played, the supporting force for pelvic tissues is effectively improved, spontaneous slippage and displacement of the pessary are prevented, and the magnetic force-based medical assembly is suitable for prevention and treatment of pelvic organ prolapse of various degrees.

The present invention relates to the technical field of gynecological surgery, and in particular to a laparoscopic uterus lifting fixer for fixing the cervix, which includes a lower arc rod, and a coaxial upper arc rod is arranged above the lower arc rod. The middle of the lower arc rod is fixedly connected with a connecting arc plate approaching its axis, the upper end of the connecting arc plate is fixedly connected with a connecting box, and the rear end surface of the connecting box slides vertically and is connected with a movable plate, and the rear end of the movable plate is fixedly connected to the upper arc rod, and the outer surface of the connected arc plate is provided with a lifting mechanism that controls the sliding of the upper end of the movable plate. It can make the entire fixer install smoothly and lift the cervix, improve the efficiency of the operation, and fit the actual use. After the arrangement, it will not block the front of the uterus and the position of the treatment hole, so as to ensure the normal operation of medical care.

The invention relates to the field of medical instruments, and discloses a vaginal dilator for gynecological surgery. The vaginal dilator comprises a vaginal dilator body, wherein the vaginal dilator body comprises a lower support sheet, an upper support sheet arranged above the lower support sheet in a lifting manner, and a first driving mechanism for driving the upper support sheet to lift and lock relative to the lower support sheet; an image acquisition mechanism and an automatic sampling mechanism are detachably fixed to the end away from the vaginal orifice, of the lower supporting sheet, the image acquisition mechanism comprises a fixing block, a guide rail and a second driving mechanism arranged between the guide rail and the fixing block and used for driving the guide rail to ascend, descend and be locked, and a support provided with a colposcope and LED lamps is arranged above the guide rail in a guiding fit mode; and a third driving mechanism for driving the support to reciprocate in the axial direction of the guide rail is arranged between the support and the guide rail, and the image acquisition mechanism and the automatic sampling mechanism on the vaginal dilator are detachably arranged and can achieve peeping of the internal condition of the vagina and automatic sampling of the cervix uteri in the peeping state. The sampling accuracy is obviously improved, and the operation complexity is reduced.