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42 results about "Uterine cervix" patented technology

Cervix of uterus. The cervix of the uterus, also known as the cervix or uterine cervix, attaches the vagina to the uterus. It is approximately four centimeters long, approximately half of which extends into the vaginal canal; however, the length of the cervix can be affected by age and childbirth, along with individual (genetic) variations.

Breeding method and device for boars

The invention discloses a breeding method and device for breeding boars, belongs to the technical field of breeding of the boars, and aims to solve the problems that in order to prevent seminal fluid from flowing out after insemination, an external air source is often relied on, so that discomfort of sows is easily caused, and the success rate of fertilization is influenced. The problem that the pregnancy effect is affected due to the fact that a pipeline is left in the body for a long time and discomfort of a pig is easily caused is solved, the gel suppository can be attached to the irregular mucous membrane form of the cervix uteri inner opening after being expanded, leakage caused by reserved gaps is avoided, the expansion degree does not need to be manually controlled, the error-tolerant rate is higher, and the application range is wide. Meanwhile, the plugging mechanism of the gel suppository is made of a natural degradation material, can be naturally degraded and removed or discharged along with uterus peristalsis, has no long-term retention risk, can improve the vagina flushing effect, can simulate the action during mating in the vagina, facilitates fertilization reaction of sows and is more beneficial to successful fertilization.
Owner:黄骅市农业技术推广站

Timing insemination method for improving pregnancy rate and lambing rate of sheep

The invention discloses a timed insemination method for improving the pregnancy rate and the lambing rate of sheep, and belongs to the technical field of livestock breeding. In order to solve the problem that the pregnancy rate of existing sheep is unstable during regular insemination, the method comprises the steps that a progesterone sponge suppository is embedded in the vagina of a healthy and reproductive ewe on the 0th day, and meanwhile 25 g of luteinizing hormone is injected in an intramuscular mode to release hormone A3; removing the thrombus on the 12th day, and performing intramuscular injection of 400IU of pregnant mare serum gonadotropin at the same time; and after the suppository is removed, insemination is carried out on the cervix orifice of the ewe with ram semen diluted at the ratio of 1: (5-8) in 52h and 64h respectively. According to the method, ovarian activities of the ewes are regulated and controlled, the estrus synchronism and the ovulation rate are improved, tests show that the pregnancy rate reaches 81.6%, the lambing rate is 1.14, compared with a conventional method, the pregnancy rate and the lambing rate of the sheep are remarkably improved, and development of the sheep industry is promoted.
Owner:ILI KAZAKH AUTONOMOUS PREFECTURE ANIMAL HUSBANDRY STATION (ILI KAZAKH AUTONOMOUS PREFECTURE ANIMAL HUSBANDRY SCI INST) +1

System, method and apparatus for creating a portable digital twin of a person's anatomy

A multifunctional diagnostic system includes a reusable speculum with a modular head and a portable digital twin station. The speculum includes a set of heated blades configured to comfortably open the vaginal canal, a numbing spray nozzle to anesthetize the cervix, and an integrated light source to illuminate the internal anatomy for clinical examination. The same speculum head supports a vaginal sweep using embedded imaging components and sensors to capture interior anatomical data. The captured data is wirelessly transmitted to a companion digital twin system that includes a processor, memory, and smart display. The system implements multi-spectral imaging configured to generate a digital twin of the patient's anatomy, which may be used for assessment, diagnosis, treatment planning, education, and analysis with artificial intelligence and extended reality platforms. A portable housing station serves as both a charging dock and sanitization unit.
Owner:PAGANINI CELINE MARILL

Liquid capsule bionic midwifery device

The utility model discloses a kind of liquid capsule bionic midwifery equipment, including, liquid injection dilator, liquid injection pipe, water pump, water storage tank, controller, foot switch.The utility model is applicable to normal full-term pregnancy, no head basin is not called, uterine cervix matures, no soft birth canal anomaly, presentation reaches spiny flat or below 1CM of spiny upper person.Through using liquid capsule to replace air bag, on the one hand, it is safer and will not cause personnel injury;On the other hand, through foot switch, liquid capsule charging and discharging and rate are formed control, can reduce personnel operation difficulty.
Owner:SICHUAN AUTONOLA MEDICAL INSTR CO LTD

Endoscope / stereovaginoscope medical instrument

ActiveCN115500778BEndoscopesVaginoscopesHysteroscopyFluorescence
The present invention relates to a medical endoscopic / hysteroscopy instrument configured to selectively capture hysteroscopic images of a patient's uterus and endoscopic images of a patient's bladder or uterus. Any of the images can be white light images or images of a selected narrow waveband or fluorescent images. The images can be displayed individually or as a composite image spatially registered to highlight selected features of the imaged anatomy. A cup-like device can be placed at the patient's cervix and provide a light source and a fluoroscopic module to monitor changes in fluorescence under the action of a photoactivatable substance.
Owner:INOVA MEDICAL TECHNOLOGY (XIAMEN) CO LTD

Methods and systems for trans-cervical delivery of agents

PendingUS20260021282A1Balloon catheterFallopian occludersCatheterUterus
Methods and systems are provided for trans-cervical delivery of agents for various purposes, including contraception and tubal patency evaluation. The trans-cervical delivery system comprises at least one port: a tubular shaft coupled to the port, the tubular shaft including at least one hollow channel traversing an interior length of the tubular shaft; and an agent delivery end coupled to the tubular shaft, the agent delivery end including at least one flexible catheter and a plug. The trans-cervical delivery system of the present disclosure integrates a pre-formed wire frame into the agent delivery end that enables self-positioning of the catheter and assists in gaining precise access to the cornual regions of a uterus by an operator. In one example, the trans-cervical delivery system may be utilized for selective delivery of a foam agent to fallopian tubes non-surgically.
Owner:OREGON HEALTH & SCI UNIV

Uterine manipulator with neutral return electrode

A uterine manipulator having a neutral return electrode is disclosed. The uterine manipulator includes an elongated shaft having a distal portion configured to be inserted into a uterus through a lumen of a cervix and a return electrode coupled to the elongated shaft. The return electrode is configured to be electrically coupled to an electrosurgical generator.
Owner:GYRUS ACMI INC

Animal cervix uteri slow-release drug delivery device

The invention relates to an animal cervix uteri slow-release drug delivery device which comprises a drug bin and a supporting part, the drug bin is of a columnar structure, the supporting part is arranged on the rear portion of the drug bin, the supporting part is of a support type structure on the whole, a traction part is further arranged on the supporting part, and the traction part drags folding of the supporting part. The supporting part is arranged on the medicine bin, and the medicine bin is limited in the vagina of the animal through the supporting part, so that the medicine bin corresponds to the cervix orifice, and long-term stable sustained-release administration operation is achieved.
Owner:河南省畜牧技术推广总站 +1

Method and apparatus for quantifying the progression of a pregnancy

A method of quantifying progression of pregnancy, includes a) illuminating a uterine cervix with polarized light having a wavelength comprised between 600 and 1100 nm; b) acquiring a plurality of images of the illuminated uterine cervix through a polarization state analyser in respective analysing states; steps a) and b) being performed either once or a plurality of time using polarized light having different polarization states; c) from the acquired images, computing a depolarization parameter over a region of interest of the uterine cervix; and d) quantifying the progression of the pregnancy from said depolarization parameter. An apparatus, based on a colposcope fitted with a controllable polarization state generator, a controllable polarization state analyser and a suitably-programmed computer, for carrying out such a method. A computer program for carrying out such a method.
Owner:CENT NAT DE LA RECH SCI (C N R S) +2

Artificial insemination device for livestock, particularly pigs

The invention relates to an artificial insemination device (1) for livestock, particularly pigs, comprising a tubular body (2) and a tip (3) attached at one end (6) of the tubular body (2) and configured to be inserted and positioned in the cervix of a female animal, characterized in that the tip (3) is composed of at least agar-agar, water, and glycerol. Figure for the abstract: 3
Owner:IMV TECH

A device for inflation, deflation, and detection of a steam ablation balloon for abnormal uterine bleeding.

This invention relates to the field of medical devices for abnormal uterine bleeding. Specifically, it provides a device for inflating, deflating, and detecting a steam ablation balloon for abnormal uterine bleeding. The device includes a handle mechanism, a guide rod, a balloon structure, and a gas supply system. The guide rod has multiple air outlets on its outer peripheral wall. The balloon structure is fitted onto the guide rod and includes multiple independent balloons, each connected to one of the air outlets. The gas supply system includes multiple air paths, a gas supply mechanism, and a negative pressure mechanism. The air paths are connected to multiple cavities. The gas supply mechanism supplies gas to the balloons through the air paths, and the negative pressure mechanism vents the air from the balloons or provides a negative pressure environment through the air paths. This invention achieves a better seal by allowing the balloon to adhere more closely to the cervical canal after inflation, while also enabling the balloon to flatten and adhere to the guide rod after treatment, preventing scratches to tissues during removal and improving the safety and reliability of the device.
Owner:腾云医疗(深圳)有限公司

Thermal heating element for use with endometrial ablation

ActiveUS12458425B2Heater elementsSurgical instruments for heatingEndocervical canalSurgery
A device for endometrial ablation includes a selectively expandable bladder configured for insertion through a cervical canal of a patient and into a patient's cervix. The selectively expandable bladder defines an interior volume for receiving a thermally conductive medium which, when introduced into the interior volume, expands the selectively expandable bladder against the uterine tissue of the cervix. One or more insulative substrates is operably disposed within the interior volume and supports a thermal assembly on the one or more insulative substrates. The thermal assembly couples to an energy source and is configured to conduct thermal energy to a thermally conductive substrate upon activation of the thermal assembly, which, in turn, heats the thermally conductive medium in contact with the thermally conductive substrate to treat the uterine tissue of a patient.
Owner:COVIDIEN LP

System and method for assessing placenta

This invention provides a method for performing a placental assessment. The method includes obtaining a 3D ultrasound image of the uterus (210) and segmenting the placenta (220). A 3D map (200) of the uterus is then generated, wherein the generation includes: identifying the location of the placenta within the uterus relative to anatomical structures such as the cervix (250); obtaining anatomical reference data regarding potential risks associated with the location of the placenta within the uterus; and comparing the location of the placenta with the anatomical reference data. Generating the 3D map of the uterus includes a 3D map of the placenta marked with indicators that change based on the comparison of the placenta's location with the anatomical reference data. The appearance of the indicators can be changed according to, for example, risk type / severity.
Owner:KONINKLIJKE PHILIPS NV

Cervical dilation device for bovine embryo transplantation

The invention belongs to the technical field of embryo transplantation, and particularly relates to a cervix dilation device for bovine embryo transplantation, which comprises a handheld part, a dilation part, a wiping mechanism, a liquid supply mechanism and a storage mechanism, the handheld part comprises a mounting shell and a storage box fixedly mounted at the bottom of the mounting shell; the expansion mechanism comprises a supporting pipe, a control wheel and an extrusion wheel, a through hole allowing the supporting pipe to slide is formed in the outer wall of the mounting shell, the extrusion wheel is used for extruding the supporting pipe and elastically arranged in the mounting shell, the control wheel is rotationally mounted in the mounting shell, and the radial outer wall of the control wheel is attached to the outer wall of the supporting pipe; the wiping mechanism comprises a mounting ring and a wiping layer, the mounting ring is of a hollow structure and is rotatably mounted on the inner wall of the mounting shell, and the wiping layer is fixedly mounted on the inner wall of the mounting ring; the liquid supply mechanism is used for providing disinfectant for the inner cavity of the mounting ring; the storage mechanism comprises a storage box and an elastic strip; through cooperation of the structure, the maternal stress reaction is effectively reduced, and the embryo transplantation success rate and the operation safety are improved.
Owner:吉林省奥金斯农牧科技发展有限公司

Training apparatus for simulating a pelvic examination

There is provided a training apparatus for simulating a pelvic examination, the training apparatus comprising an anatomy model, a plurality of cervix models, a movable holder, and a base. There is also provided kits and uses thereof. There is also provided a method for simulating a pelvic examination.
Owner:GRANVILLE BIOMEDICAL INC

Medical device and method of use

PCT designated stageWO2026080606A1Medical devicesSurgical instrument detailsPostpartum haemorrhageSurgery
Methods and systems for treating postpartum hemorrhaging in a patient, comprising: a device configured for trans-cervical introduction into a uterine cavity of a patient comprising an elongated shaft with an expandable working end; a negative pressure source coupled to an extraction lumen in the elongated shaft; an electrode arrangement carried by the expandable working end; and an electrical source and controller coupled to the electrode arrangement adapted to deliver electrical stimulation to walls of the uterine cavity.
Owner:MEDITRINA INC

Intrauterine contraceptive device

ActiveUS12544255B2Female contraceptivesObstetricsIntrauterine device
A method for promoting contraception by placing a contraceptive device within a uterus without blocking fallopian tubes may involve advancing a distal end of a delivery device through a cervix, advancing the contraceptive device comprising an elongate shape memory member out of the distal end of the delivery device and into the uterus, and limiting inferior migration of the contraceptive device within the uterus. Inferior migration may be limited by allowing the contraceptive device to assume a shape, when subjected to pressure that tends to cause a downward migration of the device within the uterus, in which an expandable middle portion of the device is expanded to contact the inner wall of the uterus and thus limit the downward migration of the device.
Owner:SEBELA VLC LTD

Delaying pre-term birth

ActiveUS12551217B2Medical devicesSensorsElastic componentTerm Birth
A device for retarding birth including an upper ring for surrounding a cervix, an anchoring component for anchoring the device, and an elastic component for attaching the upper ring to the anchoring component, wherein the elastic component pushes the upper ring and the anchoring component apart. A device for retarding birth including a sleeve for surrounding a cervix along a greater portion of a length of the cervix, a support strip on the sleeve directed along an axis of the sleeve, and a ring at least partially around the sleeve, in which when a top of the sleeve is pushed to expand radially, the support strip pivots on the ring, such that an end of the support strip near the top of the sleeve moves radially outward, and an end of the support strip near the bottom of the sleeve moves radially inward. Related apparatus and methods are also described.
Owner:THE TRENDLINES GROUP LTD +1

Uterine drains, uterine drain systems, and methods for using same

Mammalian cervixes meet the vagina at an angle of approximately ninety degrees, making it difficult to navigate instruments and, in particular, uterine drains through the cervix into a vagina. Uterine drains configured to navigate this anatomy have may incorporate removable stylets with sufficient stiffness to successfully navigate the cervical / vaginal intersection without bending, twisting, or bunching while still being flexible enough to bend as needed to enter the vagina.
Owner:RAYDIANT OXIMETRY INC

Methods for evaluating the integrity of a uterine cavity

Methods, systems and devices for evaluating the integrity of a uterine cavity. A method comprises introducing transcervically a probe into a patient's uterine cavity, providing a flow of a fluid (e.g., CO2) through the probe into the uterine cavity and monitoring the rate of the flow to characterize the uterine cavity as perforated or non-perforated based on a change in the flow rate.
Owner:AXORA MEDICAL INC

Artificial insemination device for livestock, particularly pigs

The invention relates to an artificial insemination device (1) for livestock, particularly pigs, comprising a tubular body (2) and a tip (3) attached to one end (6) of the tubular body (2) and configured to be inserted and positioned in the cervix of a female animal, characterized in that the tubular body (2) is formed of an inner sheath (20) made of paper and at least partially delimiting a flow channel (7) in the tubular body (2) for the flow of male animal semen, and an outer sheath (27) made of a biopolymer material and covering the inner sheath (20). (See Figure 3 for abbreviations.)
Owner:IMV TECH

Vaginal speculum

PendingCN121176832ASurgeryEndoscopesVaginal vaultStructural engineering
The invention discloses a vaginal speculum which comprises a first ring, a second ring and a third ring. A supporting cylinder is coaxially arranged at one end, in the axial direction, of the first ring; the supporting cylinder comprises at least three elastic supporting parts which are sequentially arranged in the circumferential direction, and the supporting cylinder has a first state in which the ends, deviating from the first ring, of the multiple elastic supporting parts are compressed and folded in the radial direction and a free state in which the ends, deviating from the first ring, of the multiple elastic supporting parts are expanded and unfolded in the radial direction; the supporting cylinder in the free state is conical, the outer diameter of the supporting cylinder is gradually reduced towards the first ring in the axial direction, and the minimum inner diameter of the supporting cylinder in the free state is larger than the inner diameter of the first ring. By means of the vaginal dilator, the loose vaginal wall can be basically and completely dilated, the cervix and the vaginal fornix around the cervix are fully exposed, and the operation and observation view is clearer.
Owner:PEKING UNIVERSITY FIRST HOSPITAL (PEKING UNIVERSITY FIRST CLINICAL MEDICAL COLLEGE)

Dilator for cervix examination

The utility model discloses a dilator for cervix examination, which belongs to the technical field of dilators and comprises an upper dilating sheet and a lower dilating sheet, two connecting plates are fixed on one side of the upper dilating sheet, a grab handle is fixedly connected with one side of the lower dilating sheet and positioned between the two connecting plates, and the connecting plates are hinged with the grab handle. A locking assembly is arranged between the connecting plate and the grab handle, a lighting mechanism is arranged in the upper dilation piece and comprises an optical fiber bundle, a mounting groove is formed in the wall of the upper dilation piece, the optical fiber bundle is located in the mounting groove, a mounting base is fixedly connected to the top of the upper dilation piece, one end of the optical fiber bundle extends into the mounting base, and a light source assembly is arranged in the mounting base. The optical fiber bundle is used for transmitting optical energy, energy loss in the transmission process is reduced, the optical fiber bundle is located in the installation groove, use of the operator is prevented from being affected, and the optical fiber bundle can be better attached to the expander. And the light source assembly and the mounting base are detachably connected, so that cyclic utilization is facilitated, and resource waste is reduced.
Owner:HUZHOU MATERNAL & CHILD HEALTH HOSPITAL (HUZHOU WOMEN & CHILDRENS HOSPITAL HUZHOU FAMILY PLANNING TECH SERVICE CENT)

Scar light manipulator

PendingUS20260198842A1Human uterusMedicine
The invention relates to a uterine transillumination device (1) for detecting scars on an uterus (100), particularly a human uterus, the device comprising at least the following components: a longitudinal body (1B) extending along a longitudinal axis (z), the longitudinal body (1B) having at least a tip portion (10) for being introduced in the cervix and the uterus cavity, wherein the longitudinal body (1B) further comprises a sheath portion (20) for the tip portion (10), wherein the tip portion (10) (A) is movable along the longitudinal axis (z) inward and outward the sheath portion (20), (B) comprises a first side (10-1) facing along a first radial direction (r1) away from the longitudinal axis (z) and a second side (10-2) facing toward the opposite direction of the first radial direction (r1), (C) comprises an illumination assembly (30) arranged on the first side (10-1) of the tip portion (10), wherein the illumination assembly (30) is configured to emit light radially away from the longitudinal axis (z) along the first radial direction (r1).
Owner:UNIVERSITY OF ZURICH

Uterine laparoscopic surgery nursing device

The utility model relates to the technical field of laparoscopes, and discloses a laparoscopic surgery nursing device which comprises a fixing tube, one end of the fixing tube is fixedly connected with a nursing ball, a bearing plate is fixedly connected in the fixing tube, a bearing ring is arranged on one side, facing the nursing ball, of the bearing plate, and the bearing ring is fixedly connected with the inner wall of the fixing tube. The area between the bearing plate and the bearing ring is a compression cavity, the area, away from one side of the bearing ring, of the bearing plate is a liquid storage cavity, a piston is arranged in the compression cavity, and a spray head is fixedly installed on the surface of the nursing ball. A medical worker can insert the nursing ball into the female vagina, compared with an existing mode that the vagina is firstly opened through a tool, and then a liquid spraying pipeline is inserted into the vagina, operation is simpler, more convenient and faster, in addition, after the medical worker loosens the shifting block, the nursing liquid can be automatically refilled into the compression cavity from the liquid storage cavity, and operation is more convenient. Therefore, the care solution can be continuously conveyed to the cervix.
Owner:THE AFFILIATED HOSPITAL OF THE MILITARY MEDICAL UNIV OF THE CHINESE PEOPLES LIBERATION ARMY

Placental imaging

PCT designated stageWO2026057409A1Image analysisHealth-index calculationHand held ultrasoundInternal os
A placental imaging system comprises a hand held ultrasound imager for scanning over the lower abdomen of a patient and configured to generate image data. An AI algorithm is used to identify the location and shape of the placenta and cervix within the image data and determine the placenta to internal OS distance. It is thereby determined if the placenta has a positional abnormality, such as if it is low lying or not. A recommendation system receives a gestational age of the patient and the positional abnormality information to recommend a patient action.
Owner:KONINKLIJKE PHILIPS NV

HPV therapeutic apparatus for cervical lesions

PendingCN121944358AMedical devicesEndoscopesCervical lesionRadiology
The invention discloses an HPV therapeutic apparatus for cervical lesions, and relates to the technical field of medical instruments, the HPV therapeutic apparatus comprises a therapeutic apparatus body, and an anti-HPV gel storage tank for storing anti-HPV gel is fixedly mounted on the therapeutic apparatus body; the therapeutic apparatus body and the anti-HPV gel storage tank are connected with an injection connector used for injecting anti-HPV gel into a cervix area through an image wire, a heating wire and a gel conveying hose respectively, the injection connector comprises an injection module, and the injection module is sleeved with a protection module used for protecting the injection module. During use, body fluid of a patient can be effectively isolated through the closed matching of the gluing elbow and the dustproof groove of the elbow of the protective sleeve in the pretreatment stage of the injection joint and the sealing effect of the water retaining ring between the glue injection sleeve and the protective sleeve, and the patient can be prevented from falling off. The injection part is prevented from being polluted and the medicine outlet is prevented from being blocked.
Owner:SHENYANG CARBON CARD INTELLIGENT MFG TECH CO LTD

A cervical dilator for bovine embryo transfer

The present application belongs to the field of embryo transplantation technology, and particularly relates to a cervix dilating device for bovine embryo transplantation, which comprises a hand-held part, a dilating part, a wiping mechanism, a liquid supply mechanism and a storage mechanism. The hand-held part comprises a mounting shell and a storage box fixedly installed at the bottom of the mounting shell. The dilating mechanism comprises a supporting tube, a control wheel and a squeezing wheel. A through hole for the sliding of the supporting tube is formed in the outer wall of the mounting shell. The squeezing wheel is used for squeezing the supporting tube and is elastically arranged in the interior of the mounting shell. The control wheel is rotationally installed in the interior of the mounting shell, and the radial outer wall thereof is attached to the outer wall of the supporting tube. The wiping mechanism comprises a mounting ring and a wiping layer. The mounting ring is a hollow structure and is rotationally installed on the inner wall of the mounting shell. The wiping layer is fixedly installed on the inner wall of the mounting ring. The liquid supply mechanism is used for providing the inner cavity of the mounting ring with disinfectant. The storage mechanism comprises a storage box and an elastic strip. The above-mentioned structure cooperation effectively reduces the stress reaction of the mother body, improves the success rate of embryo transplantation and the operation safety.
Owner:吉林省奥金斯农牧科技发展有限公司

High-safety cervix biopsy forceps

The utility model relates to the technical field of medical instruments, in particular to high-safety cervix biopsy forceps which are characterized in that an inserting rod is arranged at the upper end of a grip, a positioning groove is formed in the rear end of a biopsy forceps body, a clamping groove is formed in the inner side of the positioning groove, the inserting rod is inserted into the positioning groove, a cavity is formed in one side of the inserting rod, and a clamping groove is formed in the other side of the inserting rod. A spring is arranged in the cavity, a clamping block matched with the clamping groove is arranged at one end of the spring, through holes are formed in the inserting rod and the grip, a pull rope penetrating through the spring and the through holes is arranged at the rear end of the clamping block, a pull rod is arranged at the bottom end of the pull rope, and the shifting block is rotated to drive the locking rod to limit movement of the shifting rod. The sampling forceps body is effectively prevented from being repeatedly used, the risk of cross infection caused by repeated use of the sampling forceps is completely eradicated from the source, and the medical safety of a patient is guaranteed.
Owner:CHANGZHOU CHENTAO MEDICAL EQUIP CO LTD

Cervical administration device

ActiveCN223555322USurgeryMedical devicesPharmacy medicineCervical diseases
The utility model provides a cervix administration device which comprises a delivery part and an expansion part, the delivery part is of a cone structure, and the conical surface of the cone structure is an inwards-sunken curved surface and is matched with the shape of a cervix opening; the microneedle patch is mounted on the surface of the delivery part; the bottom of the cone structure is provided with a supporting chassis with a certain thickness, and the supporting chassis plays a supporting role on the whole; a through hole is formed in the delivery part in a penetrating manner, and the delivery part is integrally mounted on the connecting long tube of the expansion part through the through hole to form a whole, so that the micro-needle patch is delivered to the diseased region of the cervical orifice of a patient to realize micro-needle drug delivery; the dilation component is further provided with a balloon, and the purpose of slowly and controllably dilating the cervical orifice is achieved after liquid / gas is injected; therefore, the transvaginal drug delivery device specially used for delivering the microneedle patch to the cervix uteri is constructed, a delivery scheme is provided for the microneedle patch in treatment application of cervical diseases, and the treatment comfort of a patient and the treatment efficiency of medical staff are improved.
Owner:TONGJI HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI TECH