40 results about "Cervical os" patented technology

The invention relates to the technical field of crossing of medical instruments and biomedical engineering, and discloses a vaginal ultrasonic probe protective sleeve integrated with a uterus myoelectricity monitoring flexible electrode, which comprises a sleeve body and a flexible sensing module integrated on the head of the sleeve body, the flexible sensing module comprises a flexible substrate, a flexible electrode array and a packaging layer from inside to outside. The flexible sensing module is integrated at the head part of the sleeve body, and the flexible sensing module is provided with the flexible substrate, the flexible electrode array and the packaging layer from inside to outside, so that on the premise of not changing the existing vagina ultrasonic examination operation process and not interfering the ultrasonic image quality, the disposable protective sleeve is transformed, and the vagina ultrasonic examination efficiency is improved. Therefore, a high-performance bio-electricity signal collection interface is formed while the isolation function is achieved, and real-time, synchronous and same-body-position collection of uterus ultrasonic images and cervical opening electromyographic signals is achieved.

The invention relates to a medical instrument for gynecologic operation, in particular to a uterus traction device capable of avoiding tumor cell diffusion and a using method thereof.The traction device comprises a bag, the bag is provided with a closed end used for wrapping the bottom of the uterus and an open end used for facing the cervix uteri opening, and the bag is provided with an opening. The open end is provided with an adjusting and tightening mechanism, the cervix uteri, the uterus body and the double accessories of the cervix uteri and the uterus body can be wrapped in the bag by pulling the open end, and then the open end is tightened through the adjusting and tightening mechanism. A wrapping path in the direction from the bottom of the uterus to the cervix uteri opening is adopted, it is ensured that the uterus and contents of the uterus are completely wrapped and isolated in the bag by tightening the opening end, the operation concept that isolation is carried out in advance is achieved, the operation view is protected in the whole process, and tumor-free traction in the operation process is facilitated; in addition, the risks of incision planting and abdominal cavity spreading in malignant tumor surgery can be greatly reduced, the possibility of tumor cell spreading is avoided, and iatrogenic injury is reduced.

1. Name of the design product: AI visual mirror (gynecological privacy). 2. Use of the design product: visual inspection and sampling flushing for the vagina and cervix of women. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The invention discloses a leakproof efficient embryo flushing pipe for horse embryo transplantation, and relates to the technical field of horse breeding instruments.The leakproof efficient embryo flushing pipe comprises a main pipe, the bottom end of the main pipe is communicated with an embryo flushing liquid input pipe and an embryo flushing liquid output pipe, the embryo flushing liquid input pipe is communicated with a pump-out unit, the embryo flushing liquid output pipe is communicated with a recovery unit, and the upper portion of the main pipe is sleeved with an outer pipe; the top end of the main pipe is communicated with two blank flushing pipes respectively; the two blank flushing pipes are folded to form a cylindrical structure and have the same diameter as the outer pipe; driving combining assemblies are arranged on the opposite sides of the two blank flushing pipes and used for driving the two blank flushing pipes to be combined or separated; an air bag plugging assembly and a rubber plugging assembly are sequentially arranged at the end, close to the blank flushing pipe, of the outer pipe from top to bottom. After the two embryo flushing pipes extend into the uterus, the two embryo flushing pipes are separated through the driving combining and separating assembly and face the uterus horns on the two sides respectively, and the flushing and recycling efficiency is greatly improved; the cervix is blocked through the air bag blocking assembly and the rubber blocking assembly, safety and reliability are achieved, and flushing fluid is prevented from leaking out.

The invention relates to the field of medical instruments, in particular to a telescopic uterine cavity endoscope which comprises an insertion mechanism, a driving mechanism and a position sensing mechanism, the insertion mechanism comprises a lens assembly and an intubation tube assembly, the lens assembly is installed at one end of the intubation tube assembly, and the intubation tube assembly comprises an inner tube and an outer tube slidably arranged on the inner tube in a sleeving mode; the driving mechanism is used for driving the outer tube to slide back and forth on the inner tube so that the lens assembly can be exposed and hidden, and the position sensing mechanism is used for sensing the position of the driving mechanism and judging the state of the lens assembly. The problems that according to an existing uterine cavity endoscope, a plug part with the large outer diameter size possibly scratches the cervix uteri opening to form secondary damage, an insertion channel of a working instrument is narrowed inevitably by reducing the radial size of an insertion tube, the operation difficulty is increased due to the narrow insertion channel of the working instrument, and the operation efficiency is reduced are at least solved.

The application relates to the field of medical devices, in particular to a support frame for cervical cerclage surgery, which comprises a transport pipe, one end of the transport pipe being provided with a pipe cover used for buckling to close one end of the transport pipe; and a filling bag, which is made of flexible material and the inside of which is communicated with the other end of the transport pipe. The support frame for cervical cerclage surgery can solve the problem that during the cervical cerclage surgery, the amnion bag slides to the vagina through the cervix, thereby pushing against the cervical orifice to make the cervical orifice keep excessively open, which makes it difficult for a doctor to perform a suture operation on the cervical orifice and to pull up the cervical orifice, the support frame is convenient for the doctor to perform the suture operation on the cervical orifice and to pull up the cervical orifice, and the support frame is easy to be collected.

The invention relates to the technical field related to medical treatment, and discloses an integrated uterus dilating mechanism based on a regulation and control assembly, which comprises a uterus dilating rod, a connecting plate is fixedly connected in the uterus dilating rod, an electric push rod is fixedly mounted on the outer wall of the connecting plate, the output end of the electric push rod is fixedly connected with a supporting plate, and a first bidirectional cylinder is fixedly mounted on the outer wall of the supporting plate; a second pipeline is communicated to the first bidirectional cylinder, a bowl-shaped air bag is arranged at one end, far away from the first bidirectional cylinder, of the second pipeline, a hole channel is formed in the inner side of the bowl-shaped air bag, an air tap is arranged on the bowl-shaped air bag, and a mounting plate is fixedly connected to one end, close to the air tap, of the second pipeline. The bowl-shaped air bag is provided with the middle area and the edge area, and the thickness of the middle area is larger than that of the edge area, so that the bowl-shaped air bag can effectively support the foetal sac, and in addition, the bowl-shaped air bag can be pushed to stress points in different directions, and the bowl-shaped air bag is in a horizontal state in the cervix. And the effect that the bowl-shaped air bag lifts the tire bag is improved.

The intrauterine time-sharing dosing device comprises a catheter, the catheter is provided with a containing space, and a first channel and a second channel which are parallel in the axial direction are arranged in the containing space; the first balloon is arranged at one end of the catheter; the second balloon is arranged at the other end of the catheter; the joint is arranged at one end, close to the second balloon, of the catheter; the inflation assembly is communicated with the second balloon through the second channel; the propelling assembly is communicated with the first balloon through the first channel; when the catheter is inserted into a uterine cavity, gas is conveyed to the second balloon through the second channel by the inflating assembly, so that the second balloon is expanded to block a cervical orifice so as to prevent medicine from flowing out of a body, and then liquid medicine enters the first balloon through the first channel by pushing the propelling assembly so as to prevent the medicine from flowing out of the body. The first balloon expands under the action of liquid medicine pressure and is attached to the inner wall of the uterine cavity, so that time-phased, small-amount and multi-time accurate conveying of medicine is achieved, and the medicine is conveyed to a specific part in the uterine cavity by controlling the amount of the medicine entering the uterine cavity.

A polynucleotide, a kit, an isothermal detection method and a method for predicting premature birth, the method for predicting premature birth comprising: analyzing the expression profile of any one or at least two gene sets in a maternal sample, and predicting whether the subject will have premature birth according to the expression profile. The present application detects the expression amount of the marker gene in the serum of pregnant women for the first time, which is used for the prediction of premature birth risk of pregnant women without clinical symptoms. The main advantage is serological detection, no need to make an appointment in advance like ultrasound, non-invasive detection, no need for vaginal or cervical sampling, and good detection process experience.

The invention relates to the technical field of hysteroscopes, and discloses a disposable hysteroscope which comprises a grab handle, a mirror rod is arranged on the grab handle, and a guide head is arranged at the end of the mirror rod; the guide head comprises an abduction lip part and a convergent neck part, a guide hole is formed in the center of the abduction lip part, the mirror rod penetrates through the guide hole, the convergent neck part is arranged on the mirror rod in a sleeving mode, the abduction lip part is in a horn shape, the narrow end of the abduction lip part is connected with the convergent neck part, and the convergent neck part makes friction contact with the mirror rod; the mirror rod is close to the guide hole, so that the open end of the abduction lip part is enlarged. According to the disposable hysteroscope, accurate centering of the disposable hysteroscope and a cervical opening can be automatically completed. When the abduction lip is in contact with the cervix uteri, the elastic petal structure can automatically adjust the angle under the interaction of the propulsive force of the mirror rod and the counter-acting force of the cervix uteri tissue until the center of the guide hole coincides with the center of the cervix uteri opening.

The application belongs to the technical field of medical devices, and particularly relates to a uterine cavity anchoring spike balloon, which comprises a balloon, a connecting pipe, a flow guide pipe and an outer wrapping pipe. The balloon is in communication with the connecting pipe, and the connecting pipe is in communication with an external water injection device. The flow guide pipe is arranged in the balloon and the end of the flow guide pipe extends out of the balloon. The end of the flow guide pipe extending out of the balloon is provided with a flow guide opening. The outer wrapping pipe is wrapped outside the connecting pipe and the flow guide pipe. The balloon outer wall is provided with a plurality of spikes. When the balloon is inflated, the included angle between the center line of the spike and the balloon outer wall is 45-55 degrees, and the top end of the spike is arranged towards the cervical orifice. The application can avoid balloon slippage and the risk of infection caused by multiple implantations. Meanwhile, the flow guide pipe is prevented from being blocked.

A portable system for determining dilation of a cervical opening is disclosed. The system includes a probe portion configured for insertion into a vaginal canal, at least one illumination source configured to emit patterned light into a field of view, and an image sensor configured to capture image data including the patterned light as reflected from tissue within the vaginal canal. A processor receives the image data and analyzes spatial characteristics of the patterned light to determine information corresponding to dilation of the cervical opening. In certain embodiments, the processor determines depth information based on geometric relationships between the illumination source and the image sensor and calculates dilation based on the determined spatial information. The system may further include a display and / or a communication module for presenting the dilation measurement and a graphical representation to a user.

The utility model discloses a cervical contractor which comprises an elastic constriction piece which is suitable for being hooped on a cervical canal so as to seal a cervical opening. The elastic contraction piece comprises a lantern ring part and a holding structure, and the lantern ring part is suitable for being arranged on the cervical canal in a sleeving mode; the enclasping structure is arranged in the circumferential direction of the lantern ring part in a surrounding mode and can tighten the cervical canal. According to the cervical contractor provided by the embodiment of the utility model, the cervical contractor can be flexibly hooped on a cervical canal to realize effective sealing of a cervical orifice, so that premature delivery of a fetus is prevented. Compared with a traditional method, the operation process is greatly simplified through the design, complex suture and suture removing processes are not needed, and the infection risk and the complication occurrence rate are remarkably reduced. Meanwhile, due to the elastic characteristic, appropriate adjustment can be conducted according to natural changes of the cervix uteri, the comfort level of the pregnant woman is improved, and discomfort is reduced. In addition, by means of the non-invasive design, damage to cervical tissue is greatly reduced, and psychological burden is relieved.

Disclosed in the present invention are a high-precision hemostatic balloon and system, which relate to the technical field of medical devices. The high-precision hemostatic balloon is used for uterine cavity hemostasis and comprises a balloon assembly and a catheter assembly. The balloon assembly comprises an intrauterine hemostasis balloon and an intravaginal fixing balloon. The intrauterine hemostasis balloon comprises a middle balloon mainly used for compressing front and rear walls of the uterus, and left and right side balloons mainly used for compressing left and right side walls of the uterus. The three balloons form a flat inverted pear shape with a wide top and a narrow bottom, and front and rear diameters being smaller than left and right diameters. The intravaginal fixing balloon is clamped and fixed in the vaginal fornix and surrounds the cervix after expansion, and the internal cervical orifice is closed while the intrauterine hemostasis balloon is lifted. The catheter assembly is used for draining accumulated blood and performing fluid filling and drainage on the balloon assembly. By utilizing the characteristics of the vaginal fornix at the cervix ostium, the present invention provides the intravaginal fixing balloon to lift the hemostasis balloon and close the internal cervical orifice. In addition, the use of a multi-cavity hemostasis balloon improves the regional compression precision of the balloon.

To provide a vibrating endoscopic catheter for suitable tubal advancement.SOLUTION: A falloposcope intended for use with a hysteroscope to access a patient's fallopian tube, image the fallopian tube, and collect a sample from the fallopian tube includes a cannula having an angled tip oriented to engage the ostium of the fallopian tube when the cannula is trans-cervically introduced into the uterus of the patient through the hysteroscope. The catheter has a distal viewing tip configured to be advanced from the distal end of the cannula through the cervical os and into the uterus of the patient. The viewing chamber has a wide proximal end that is attached to the distal viewing tip of the catheter, and the viewing chamber is at least partially transparent and typically tapers distally in order to provide a clear viewing area for the endoscope as well as atraumatic advancement into the fallopian tube.SELECTED DRAWING: Figure 6

The invention discloses a vaginal secretion sampling device for obstetrics. The vaginal secretion sampling device comprises an outer tube, an inner tube, a cervical orifice sampling film and a sampling arm, a cervix sampling window is arranged at the end of the outer tube, and a plurality of guide sliding grooves are formed in the tube wall. The inner tube is arranged in the outer tube in a sliding mode and drives the cervix sampling film to act, the cervix sampling film is unfolded for sampling when the inner tube is pushed forwards, and the cervix sampling film is closed when the inner tube is pulled back. The sampling arm is fixed to the inner pipe through the connecting part, the guiding part is embedded in the sliding groove, and the swing sampling part can swing elastically. When the inner tube is pushed forwards, the sampling arm is folded, and when the inner tube is pulled back, secretions are collected. The invention aims to provide the vaginal secretion sampling device for the obstetrical department so as to synchronously collect the secretions of the cervical orifice and the vaginal wall.

The invention discloses a cervix uteri isolating and fixing sleeve and a cervix uteri treatment assembly comprising the same, the cervix uteri isolating and fixing sleeve comprises a bag body capable of being placed in the vagina, and a bag opening is formed in the top end of the bag body and used for containing and covering a cervix uteri opening; a first closing rope for closing and sealing the bag opening is arranged on the edge of the bag opening; when the bag body wraps the cervix uteri opening, the first closing-in rope is pulled outwards and fixed to the cervix uteri root in a cerclage mode, the bag opening shrinks, the bag body is fixed to the cervix uteri root in the mode that the cervix uteri opening is sealed, and therefore an isolation barrier is formed around the cervix uteri, and falling tumor cells are effectively isolated in the bag body and cannot enter the abdominal cavity. The cervix uteri isolating and fixing sleeve can be established before a surgical operation is started, the whole cervix uteri area is completely sealed, a channel for tumor cells or tissue fragments to fall off through the cervix uteri and enter the abdominal cavity is physically blocked, and the risk of iatrogenic abdominal cavity implantation metastasis is remarkably reduced from the source.

The invention discloses an external cervical orifice blocking catheter used in cooperation with a hysteroscope. The external cervical orifice blocking catheter comprises a guide cylinder and a cervical orifice plug fixedly connected to the front end of the guide cylinder. An annular protrusion is arranged on the outer side face of the cervix orifice plug, and the side face between the cervix orifice plug and the front end is of an arc surface transition structure shrinking in the radial direction. And a cavity is formed in the cervix orifice plug. The blocking catheter can effectively prevent perfusate from leaking when assisting hysteroscope diagnosis and treatment, avoids damage to a cervix, and is reasonable in structure and convenient to use.

The device comprises a detection probe, a host and a connecting cable, the detection probe is in signal connection with the host through the connecting cable, the detection probe comprises a probe body and a handle, the probe body is arranged in a square shape and is of a flexible structure, and the handle is arranged on the probe body. The probe body is made of a silica gel material conforming to medical biocompatibility, and a display unit and a button unit are arranged on the outer side wall of the host. The invention belongs to the technical field of medical instruments for gynaecology and obstetrics, and particularly provides a device for synchronously acquiring objective data of fetal position, fetal prolapse height, cervical canal length and cervical orifice opening state of a fetus, remarkably reducing traditional internal diagnosis times, reducing infection risk, accurately identifying malposition, improving precision of birth process management and comfort of pregnant women during delivery, and improving delivery efficiency. The device for detecting the fetal position in the birth process breaks through the space-time limitation, is not influenced by the body position of a pregnant woman, is used for full-time and high-frequency monitoring of predelivery and the birth process, and can be reused infinitely.

The utility model belongs to the technical field of medical auxiliary devices, in particular to a device for assisting in separating cervical adhesion, which comprises an upper hollow expansion rod, a lower hollow expansion rod and a probe, a first ultrasonic probe is fixedly connected to the upper portion of the front end of the upper hollow expansion rod, and an end plate is integrally formed at the bottom of the rear end of the upper hollow expansion rod. A lower hollow expansion rod is arranged at the bottom end of the upper hollow expansion rod, a second ultrasonic probe is fixedly connected to the bottom of the front end of the lower hollow expansion rod, a hollow handle is integrally formed at the bottom of the rear end of the lower hollow expansion rod, and the end plate is in sliding connection with the lower hollow expansion rod; a hollow large ball sleeve is fixedly connected to the interior of the upper end of the end plate and can dilate the vagina through an upper hollow dilating rod with a first ultrasonic probe and a lower hollow dilating rod with a second ultrasonic probe so as to guide a probe to further go deep, and then the probe is further pushed in to be located at the cervix uteri opening. And the adhesion part of the cervical orifice can be separated through the probe, so that the separation work of cervical adhesion is realized, and the operation is simple and convenient.

Bi-directionally positionable tampon configured to be disposed in a vaginal opening adjacent to a cervical os for absorbing and collecting vaginal discharge. The tampon includes an elastomeric ring to support an absorbent pad for collecting and absorbing bodily fluids. To support the absorbent pad, the elastomeric ring has a first circular-shaped edge and a second circular-shaped edge that surrounds the central aperture. A covering comprising a first pervious layer and a second pervious layer disposed adjacent to the first pervious layer is attached to the elastomeric ring and disposed at least partially in the central aperture of the ring. An absorbent pad is disposed in a cavity formed between the first fabric layer and the second fabric layer of the covering. When the elastomeric ring is disposed in a vaginal opening, bodily fluid can pass through either the first and / or second pervious layers to reach the absorbent pad.

The application provides a non-contact channel device suitable for hysteroscopy diagnosis and treatment, which comprises a sealed cylinder with open ends, a cover is arranged at the opening of one end of the sealed cylinder, the cover is detachably arranged, a filter assembly is arranged in the sealed cylinder, a drainage pipe is arranged on the side surface of the sealed cylinder and communicates with the inner cavity of the sealed cylinder, the drainage pipe is located between the cover and the filter assembly, and a first punch hole and a second punch hole are arranged on the side surface of the cover. The non-contact channel device suitable for hysteroscopy diagnosis and treatment has good sealing and isolation effects in the use process, can avoid liquid spattering and large outflow of the cervical orifice in the diagnosis and treatment process, can establish a channel from the vaginal orifice to the cervix, most patients do not need to use a vaginal dilator and a cervical clamp, tissue trauma is reduced, the device is convenient for collecting samples and avoiding loss, and the clinical diagnosis accuracy is improved.

The invention discloses a uterine cavity perfusion liquid medicine retaining and flushing device, and relates to the technical field of lavage, the uterine cavity perfusion liquid medicine retaining and flushing device comprises a perfusion tube, a moving part, a distance adjusting part and a bag part, under the adjustment of the distance adjusting part and the control of the moving part, the bag part is inflated under the two conditions that the vagina is close to the cervical opening and the cervical canal position, and liquid medicine is prevented from overflowing; and the retention time is controlled by medical personnel according to the condition of the patient.

A falloposcope intended for use with a hysteroscope to access, image, and collect samples from a patient's fallopian tube includes a cannula having an angled tip oriented to engage a fallopian tube os when the cannula is transcervically introduced to a patient's uterus through the hysteroscope. The catheter has a distal viewing tip configured to be advanced from a distal end of the cannula into the patient's uterus through a cervical os. A viewing chamber has a wide proximal end attached to the distal viewing tip of the catheter, and the viewing chamber is at least partially transparent and typically tapers in a distal direction to provide a clear viewing zone for the endoscope as well as atraumatic advancement into the fallopian tube.

The utility model discloses an air bag type dilation hysteroscope, relates to the technical field of hysteroscopes, solves the problems that an existing device is inconvenient to operate and uterine dilation liquid is easy to leak outwards, and adopts the following scheme that a lens sleeve is fixedly arranged on the outer wall of the right side of a hysteroscope tube. Through the arrangement of the hysteroscope tube, the lens sleeve and the fixing seat, the camera is arranged on the lens sleeve, the hysteroscope tube is coaxial with the through hole in the fixing seat and is communicated with the through hole in the fixing seat, after the hysteroscope tube is placed in a uterine cavity, surgical instruments can extend into the hysteroscope tube through the through hole and go out from the right side of the lens sleeve to perform a surgery in the uterine cavity, operation is easy and convenient, and the operation efficiency is improved. Meanwhile, through the arrangement of an air bag sleeve, an air inflation head and a leakage-proof plug, firstly, the air bag sleeve is inflated by pressing the air inflation head, the air bag sleeve is bulged to be attached to the inner wall of the uterine cavity, leakage of uterine distention liquid is prevented, the leakage-proof plug seals the outer side of the cervical opening, the uterine cavity can be sealed to the maximum degree through two defensive lines, and the uterine distention effect is improved.

The application relates to the technical field of gynecological reproductive organ screening, in particular to a gynecological reproductive organ non-invasive sampling and rapid screening integrated device. An outer shell body is used for movement, and a microscope and a computer are sequentially installed on the upper surface of the outer shell body from left to right. An insertion rod is inserted into a groove formed in the left side of the outer shell body, and a holding rod is installed above the insertion rod. The gynecological reproductive organ non-invasive sampling and rapid screening integrated device automatically applies a pushing force to the convex plate through the pushing rod, so that the convex plate drives the mounting column and the sponge swab to rotate, thereby enabling two groups of super-soft sponge swabs to simultaneously gently collect the exfoliated cells and secretions of the cervical os or the posterior fornix of the vagina, the operation is convenient, the subsequent screening efficiency can be improved, and the non-invasive collection does not damage the skin, mucosa and internal tissues of the reproductive organ, so that the sampling and rapid screening integrated device is well applied to the biomedical engineering industry.

This invention relates to a uterine manipulator and an automatic uterine manipulator system, comprising a fixed uterine manipulator, a movable uterine manipulator, and a control mechanism. The control mechanism drives the movable uterine manipulator to coaxially engage with the fixed uterine manipulator, and pushes both the fixed and movable uterine manipulators into the vagina, reaching the cervix. The fixed uterine manipulator then seals and engages within the vagina, securing the cervix. The control mechanism also drives the movable uterine manipulator axially away from the fixed uterine manipulator by a certain distance within the vagina. Finally, the control mechanism detaches the fixed uterine manipulator from the body, removing the excised tissue. This invention, by sealing and engaging the uterine manipulator internally at the junction of the vagina and cervix, and securing it to the cervix and upper vagina, avoids friction between the uterine manipulator and diseased tissue, allowing for normal uterine manipulation, preventing the detachment of diseased tissue during surgery, and facilitating the removal of excised tissue. This improves surgical efficiency and reduces the risk of infection and tumor cell detachment.

The invention relates to a method, uses, system and kit for detecting a human papillomavirus (HPV) genotype associated with development of cervical, oral or anogenital cancer in a subject and for determining the genotype or genotypes of HPV thus detected therein. Additionally, the present invention relates to uses of forward and / or reverse primers or amplicons generated by multiplex real-time PCR comprising a molecular tag for identifying marker of the genotype (16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66) and / or (68) of the human papillomavirus.

The invention belongs to the technical field of medical treatment, and particularly relates to a safe intrauterine adhesion prevention support and a use method thereof. The stent is composed of hydrogel and sterilized water for injection, the hydrogel is of a hollow spiral inverted pear-shaped structure, the hydrogel expands to be balanced after meeting the sterilized water for injection to form the stent, the shape of the stent is matched with the uterine cavity, and the stent is completely attached to the inner wall of the uterine cavity; the dosage of the sterilized water for injection is calculated according to a formula V = min (L / l, W / w1, T / t) * v. Based on the physiological structure and physiological movement of the uterus, the support absorbs water and expands after passing through the cervix so as to expand the inner wall of the uterus, the support is broken into small particles through physiological pressure generated by endometrial peristalsis, and the small particles and menstrual blood are discharged out of the body together. According to the intrauterine device, adhesion is effectively prevented in the uterine cavity, meanwhile, the risks of uterine infection and overlarge pressure cannot be caused, the intrauterine device is not affected by the individual size of the uterus and the menstrual cycle of the uterus, and the safety of the intrauterine device is improved.

The utility model discloses a multi-range gynecological cell sampler and a sample box, and belongs to the field of cervix sampling. The bottom plate is arranged at the head end of the holding rod; the insertion rod is arranged on the bottom plate; two inserting shafts are arranged on the outer wall of the top end of the inserting rod; the side sampling piece and the upper sampling piece are detachably arranged on the insertion rod respectively; the upper sampling piece comprises an upper brush head which is crown-shaped, two wings of the upper brush head protrude towards two sides, and bristles in the middle of the upper brush head are longer than the two wings. According to the multi-range gynecological cell sampler and the sample box, through the arrangement of the side sampling piece and the upper brush head, the cervical orifice, the fornix beside the cervical orifice and the vagina can be sampled at the same time, and compared with the prior art, the material consumption is reduced, the sampling process is greatly simplified, and the sampling efficiency is improved. Meanwhile, as the two wings of the upper brush head protrude towards the two sides and the middle bristles are longer than the two wings, the two protruding wings can reduce the contact probability of the middle bristles (cervical orifice samples) and the vagina wall, and therefore the positive rate of certain TCT can be increased.