51 results about "Cervical dilation" patented technology

An inflatable system, of between one and three balloons, for cervical dilation and labor induction is provided. The inflatable system may have a uterine balloon, for positioning at a proximal portion of the uterus, with respect to an operator, adjacent to the cervical internal os, the uterine balloon being shaped so as to maximize the pressure against the decidua and the internal cervical os and so as to minimize the pressure on the fetal head. Additionally or alternatively, the inflatable system may have a vaginal balloon, for positioning in the vagina, for applying pressure on the external cervical os. Additionally or alternatively, the inflatable system may have a cervical balloon, for positioning in the cervical canal, the cervical balloon being shaped so as to maximize the contact area with the cervix. The balloons are operative to stimulate the secretion of hormone, by exerting pressure on the proximal decidual surfaces of the uterus and on the cervix, so as to soften and ripen the cervix, cause the cervix to dilate, and induce labor. The balloons, which may have rough external surfaces, in order to keep them anchored in place, may be inflated by the operator, directly after their insertion, or manually and gradually, by the woman herself. Various sensors and other instruments may be used with the inflatable system, to monitor cervical dilation, fetal well-being, and the woman's conditions.

The present invention provides a medical device for measuring and / or providing cervical dilation including an elongate body defining a proximal end and a distal end, as well as an expandable element coupled to the distal end of the elongate body. An array of movable elements may be disposed circumferentially about the elongate body, where the array of movable elements is movably coupled to the distal end of the elongate body by a plurality of wires. The medical device may further include a measurement mechanism able to determine a radial spacing of the array of movable elements, as well as a dilation indicator in communication with the measurement mechanism. One or more pressure sensors may be coupled to the array of movable elements, whereby a control element is in communication with the pressure sensors. In addition, an inflation source may be included in fluid communication with the expandable element.

This invention is an improved balloon catheter for cervical dilation. This catheter has a balloon that is passed through the cervix of a pregnant woman, and the balloon is then inflated with 100-120 ml of sterile water or normal saline. The improved disc shape of the inflated balloon is 8 cm in diameter and 3-4 cm in height. The balloon will sweep the amniotic membrane away from the cervix, causing the release of prostaglandins which helps ripen the cervix and initiates uterine contractions. The improved shape of the balloon causes the cervix to be 6-8 cm dilated once it is expelled. This catheter also contains a flexible guidewire that allows for easier insertion for the provider, and makes insertion less painful for the patient because it can be placed without a speculum and ring forcep being used. This catheter could actually be placed on an outpatient basis or in the doctor's office, with the patient instructed to go to the hospital or birthing unit when the catheter falls out. This catheter is smaller in diameter than the 16 French Foley catheter, so therefore it can be placed when the patient is <1 cm dilated. This catheter when placed properly and secured to the patient's thigh with tension applied can shorten labor by 4-10 hours.

The present invention provides a medical device for measuring cervical dilation, where the medical device is positionable about a hand having first and second fingers, with each finger having a tip and a side surface. The medical device may include a housing, a first extension element movably coupled to the housing, a second extension element movably coupled to the housing, and a dilation indication mechanism to measure a distance between the first and second extension elements. The medical device may also include a first lateral pressure sensor positionable about a side surface of the first finger, a second lateral pressure sensor positionable about a side surface of the second finger, a third pressure sensor positionable about a tip of the first finger, and a fourth pressure sensor positionable about a tip of the second finger.

A method for managing labor and childbirth allows a laboring woman to push prior to full dilation and helps to prevent extreme pain, prolonged labor, and unnecessary cesarean sections and epidural anesthesia. The method involves the initial step of encouraging a laboring woman to wait, without pushing, through first and second stages of labor, culminating in cervical dilation of about five centimeters. It further involves the step of encouraging a laboring woman, during a third stage of labor beginning at a cervical dilation of about five to six centimeters and before a cervical dilation of ten centimeters, of pushing in response to an urge to push. In some embodiments, breathing and positioning techniques are utilized to increase the comfort of the birthing process.

Systems and methods for measuring cervical dilation are provided that include two biocompatible fasteners affixed to opposing cervical or vaginal walls, and a biocompatible string coupled to the fasteners, yet free to slide between the fasteners. The string has ends extending outside the vaginal opening of the patient, so that changes in cervical dilation can be measured by monitoring the relative movements of the string ends. The heads of the screws are preferably concave, with a loop attached thereon, so that the string can be coupled to the screws by running the string therethrough. Further, the tips of the screws are preferably blunt, to minimize loss of blood and the possible risk of HIV infections.

An instrument for measuring a dilatation of cervix uteri during the first stage of labor. The instrument has two elongated legs pivotally connected to each other. Each leg has a proximal end and a distal end; the top end has an attaching device that can be attached to an inner surface of the cervix. The lower end of one leg is secured to a scale and the lower end of the other leg can move along this scale as the cervix dilates.

The invention provides a teaching model used for obstetric cervical examination. The teaching model comprises an imitated human body module, a baffle plate, an imitated body cavity hole, an imitated vagina, a cervical dilation module, a retaining plug, a cervical accessory and an accessory mounting hole. The baffle plate is arranged on the middle position of the imitated human body module, the imitated body cavity hole is arranged in the middle position of the baffle plate, by means of the above design, the function that the teaching model is vivid and visual and can be stored conveniently andsafely is achieved, the imitated vagina is arranged in an imitated vaginal wall, and the cervical dilation module is arranged in the imitated vagina; by means of the above design, the function that the change of the body cavity is felt directly and visually is achieved, the retaining plug is installed on the rear end face of a second white rear cover, the cervical accessory is installed in the accessory mounting hole through the retaining plug, and the accessory mounting hole is arranged in the middle position of the second white rear cover; by means of the above design, the function that reality can be simulated simply and conveniently, the cervical change in a special period can be directly observed is achieved. The teaching model used for obstetric cervical examination is convenient touse and operate, and high in stability and reliability.

It provides a method for predicting the risk of an adverse pregnancy or neonatal outcome for a pregnant subject by detecting the elevated level of bacteria from one or more selected bacterial taxa (e.g., genera or species). A kit useful for such a method is also provided. In addition, it provides a method for determining the risk of having advanced cervical dilation and / or premature cervical shortening based on differentially abundant bacterial taxa.

The invention provides a disposable cervical dilation balloon catheter, which comprises a pressurizing component and a dilation balloon. The pressurizing component and the dilation balloon are connected with each other. During dilation, a hose component enters vagina along with a connection component, an inflation head and a dilation component under the guide action of a guide wire, gas or liquidis filled into the dilation balloon by the pressurizing component and enters the dilation component through a guide passage, a connection passage and a medium filling passage sequentially, the dilation component expands outwards to realize cervical dilation, and accordingly cervical dilation can be realized slowly in one time to reach a size for guaranteeing surgical success, pains of a patient can be alleviated, injuries of cervical mucosa are reduced, and safety and smoothness in a cervical dilation process are guaranteed. After cervical dilation is completed, the guide wire is pulled out, automatic sealing of a silicon rubber plug is realized under the elastic recovery force of a silicon rubber adaptor and the silicon rubber plug, and the dilation balloon is indwelled in vagina by folding of a silicon rubber extrusion tube.

A cervical dilatation measuring device includes an air passage, a water passage, and a scale; the air passage is used for vacuuming to enable the measuring device to be adsorbed on the surface of an inner cervical mouth, the water passage is disposed in the air passage for providing a buffer and indicating a pressure change, the scale sleeves the air passage, the outer wall of the air passage is provided with a calibration, and the edge of the end of the scale cooperates with the calibration to indicate the degree of cervical dilation. The cervical dilatation measuring device can be used to measure cervical opening degree, is easy to use, can replace tactus and avoid individual deviations and inconsistencies of tactus, and does not require use of complex mechanical / electronic systems.

The invention relates to a disposable active cervical dilating rod which is a common appliance in contraception operation of obstetrics and gynecology department. Physical dilation and medical softening of cervix are adopted simultaneously, and dilation can be carried out rapidly once the invention is inserted into cervix. The design retains gentle slope type physical dilation from thin to thick, and a dilation section in the hollow part of the rod is provided with a capillary channel communicated with the rod chamber. The chamber is filled with filler which has good water absorption and does not react with medicine, and quantitive anesthetic is injected. A plane is fixed by a stand sealing the rod core. When the invention is used, a stand clasp is moved aside, and pressure is applied to cause medicine to exude uniformly. Then cervical mucosa anesthesia is carried out to soften the cervix, and the physical dilation is carried out rapidly. The invention is suitable for cervical dilation required in operations of obstetrics and gynecology department and family planning department, and has the advantages of rapid speed, good effect, little pain of patient, few complications, few side effects, simple and convenient operation, disposability and reduction of hospital cross infection and disinfection load. Thus the invention is a renewal product of operation instrument.

An instrument suite for making a vagina, cervix and amniotic cavity channel is used for making a channel for performing fetal intrauterine surgical treatment through a cervix natural cavity and comprises a vaginal speculum, a cervix dilator, a fetal membrane puncture outfit and a vagina, cervix and amniotic cavity combined sheath, wherein the vaginal speculum is provided with a light source for cervical dilation under direct vision; and the cervix dilator is provided with an air bag module used for improving the cervix dilation efficiency, the front end of the fetal membrane puncture outfit is provided with self-tapping threads used for accurately controlling fetal membrane puncture, and the vagina, cervix and amniotic cavity combined sheath is provided with a one-way valve and a fastening assembly used for constructing a channel penetrating through the vagina, the cervix and the amniotic cavity and meanwhile preventing amniotic fluid from flowing out, and rigid stable connection with an operating table bracket is established.

The invention discloses a disposable balloon catheter for cervical dilation. The disposable balloon catheter comprises a guide wire and a dilation balloon, the dilation balloon comprises a connector,a hose and a connecting screw, wherein the connector, the hose and the connecting screw are connected with the guide wire, and the dilation balloon further comprises a connecting rod, a dilation assembly and a filling head, wherein the connecting rod is connected with the connecting screw, and the dilation assembly is arranged in the connecting rod; a medium filling channel is formed in the end, facing the hose, of the filling head, and the connector, the hose and the connector are sequentially and internally communicated; the dilation assembly comprises a buckle and a silicone tube which is sleeved with the buckle, the tail end of the silicone tube is extended through the filling head, and an inner cavity of the silicone tube is communicated with the medium filling channel. Through the connecting screw and the connecting rod, the hose and the dilation assembly are connected more conveniently; the hose is supported through the guide wire, so that the dilation balloon is conveniently and smoothly delivered into the cervix uteri; for a patient needing repeated cervical dilation, the hose is adopted for making the dilation balloon without the guide wire indwell in the cervix uteri, itis unnecessary to frequently replace the balloon catheter with a new disposable balloon catheter for cervical dilation, paints of the patient are reduced, and damage to the cervix uteri mucosa is reduced.

The invention relates to a disposable cervical dilation balloon catheter. The disposable cervical dilation balloon catheter effectively solves the problem that the existing cervical dilation can causediscomfort of patients. According to the technical scheme, the disposable cervical dilation balloon catheter comprises a catheter body, wherein the upper end of the catheter body is in a hemispherical shape, the outer portion of the upper half section of the catheter body is provided with a first balloon, a second balloon and a third balloon which are arranged in sequence from top to bottom, thecatheter body is internally provided with a rotating shaft, the upper end of the rotating shaft is provided with two sections of outer threads, each section of the outer thread is spirally provided with a first piston, the left side wall of the catheter body is provided with a first water injection pipe communicated with a cavity body in the lower end and the second balloon, the right side wall ofthe catheter body is provided with a second water injection pipe communicated with the first balloon, a chamber in the upper end, the third balloon and a chamber in the lower end, the cavity body inthe lower end is internally provided with a second piston sleeving the rotating shaft, the second piston is connected with the lower end of the catheter body through a compressed spring, the part, arranged outside the catheter body, of the rotating shaft is provided with a coiling wheel, the left side and right side of the coiling wheel are provided with pull ropes respectively, and the other endsof the pull ropes are fixed on the second piston.

The invention discloses a disposable balloon catheter for cervical dilation. The disposable balloon catheter comprises a pressurizing assembly and a dilation balloon, the dilation balloon comprises acatheter body connected with the pressurizing assembly, a dilating assembly clamped on the catheter body and a filling head, a medium filling channel is formed in the end, facing the catheter body, ofthe filling head, and a clamping groove is formed in the inner wall of the connecting end, facing the dilating assembly, of the catheter body; the dilating assembly comprises a buckle, a silicone tube sleeved with the buckle and a connecting rod which is sleeved with the silicone tube, a clamping ring is arranged on the outer wall of the connecting rod and clamped into the clamping groove, the end, facing the dilating assembly, of the filling head penetrates through the buckle to extend the tail end of the silicone tube, and an inner cavity of the silicone tube is communicated with the mediumfilling channel. The clamping groove and the clamping ring are clamped, so that the catheter body and the connecting rod are connected more conveniently; gas or liquid sequentially passes through thecatheter body and the medium filling channel and then enters the inner cavity of the silicone tube, the silicone tube expands outwards to dilate the cervix uteri, and therefore the cervix uteri is slowly expanded at a time to a size which ensures smoothness of an operation.

The invention discloses a cervix uteri expanding device for gynaecology and obstetrics. The cervix uteri expanding device comprises a left plier body and a right plier body, wherein two plier handrails and two plier handles are respectively arranged on the left plier body and the right plier body; the plier handrail and the plier handle are integrally shaped; the rear ends of the two plier handlesare hinged together; a left expanding plier head is arranged at the front end of the left plier body, and a right expanding plier head is arranged at the front end of the right plier body; the included angle between the left expanding plier head or the right expanding plier head and the corresponding plier handle is 90-160 degree; the left expanding plier head mutually cooperates with the right expanding plier head; grooves are respectively formed in the opposite sides of the left expanding plier head and the right expanding plier head; one sides which are away from each other of the left expanding plier head and the right expanding plier head are smooth surfaces; and the left expanding plier head and the right expanding plier head are made of transparent materials. According to the cervix uteri expanding device disclosed by the invention, a certain angle is generated between the left expanding plier head or the right expanding plier head and the corresponding plier handle, so that when the cervix uteri expanding device is used, the matched left expanding plier head and the right expanding plier head are inserted in cervix uteri, the plier handrails are pinched, through the effectof the hinge shaft, the left expanding plier head and the right expanding plier head are opened, and the purpose of expanding the cervix uteri is achieved.

The invention discloses a composition capable of rapidly providing energy required for parturient delivery, and relates to the technical fields of ordinary food, heath food and special function food.The composition is prepared from whey protein powder, carbohydrate, medium chain triglyceride micro-capsule powder, composite vitamins, mineral elements, choline, taurine, L-carnitine and red date extract. 50g of solid beverage prepared by the composition is drunk ante partum and during delivery, energy can be rapidly provided for parturient in the delivery process, the cervical dilation speed isaccelerated, the parturient delivery process is shortened, eutocia rate is improved, and the occurrence of parturient complications and risks of anoxia neonatorum during the delivery process are reduced.

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.

Apparatus that provides accurate readings and measurements of the dilation of an expectant mother's cervix during pregnancy—during and / or before the onset of labor. The apparatus envisioned by the present invention includes a speculum, control panel, prongs used to make contact with the birth canal walls, a tensile device which may be used to calculate the cervical dilation, a video camera and light source for viewing within the birth canal. The accuracy of measurements obtained by the apparatus properly indicate the expectant mother's progression of labor. Monitors may also be used in conjunction with the apparatus for viewing and measuring the cervical dilation. Additionally, processors may also be used to assist in further analysis and cervical dilation measurement.

The present invention discloses a cervical dilatation measuring device. The cervical dilatation measuring device comprises: a flexible cord measuring unit, a catheter and a marking body; the flexiblecord measuring unit is provided with a flexible cord, and the flexible cord is connected with the marking body through the catheter; and when measuring, the marker body and a cord outlet end of the catheter are respectively used to mark both sides of a cervix. The present invention also provides a cervical dilatation measuring glove. The cervical dilatation measuring glove comprises a glove body and a catheter arranged in the glove body, the catheter is provided with a flexible cord; one end of the catheter is arranged at a glove forefinger or middle finger end joint part, the other end is arranged at a glove thumb part or a palm part; and one end of the flexible cord is connected with the glove middle finger or forefinger end joint part, and the other end is connected with an externally connected flexible cord measuring unit. The provided cervical dilatation device and glove are compatible with a traditional vaginal finger examination, enable users to be more acceptable and mastered,and can significantly improve accuracy of the cervical dilatation by the traditional vaginal finger examination.

The invention discloses novel cervical dilation pliers. The novel cervical dilation pliers comprise a left plier body and a right plier body; the left plier body and the right plier body are each provided with a plier rod and a plier handle, the plier rods are fixedly connected with the plier handles, the two plier handles are rotatably connected through a hinging pin, a locking device is arrangedon the two plier handles, and comprises a locking rod and a locking handle, mutual matching between the locking rod and the locking handle is achieved, and the locking rod is located between the leftplier body and the right plier body, and the insides of the two plier rods are of hollow structures, and guide tubes are arranged inside the two plier rods.