55 results about "Uterine walls" patented technology

The invention is a transvaginal ultrasound probe having an attached echogenic needle that is useful in the treatment of uterine fibroids. The echogenic needle has an echogenic surface near its tip that allows the physician to visualize its location using ultrasound imaging. In one embodiment, the needle has an active electrode at its distal end. The active electrode supplies radio frequency energy to a fibroids causing necrosis of the targeted fibroid or by destroying the fibroid's vascular supply. The radio frequency needle preferably has a safety device that shuts-off energy if the needle punctures the uterine wall. In a second embodiment, the needle has a cryogen supply tube and cryogen supply. This embodiment destroys fibroid tissue by freezing it or its vascular supply when the tissue comes in contact with the needle's frozen distal end. The invention further includes the method of using the ultrasound probe with the attached needle.

The invention is a transvaginal ultrasound probe having an attached echogenic needle that is useful in the treatment of uterine fibroids. The echogenic needle has an echogenic surface near its tip that allows the physician to visualize its location using ultrasound imaging. In one embodiment, the needle has an active electrode at its distal end. The active electrode supplies radio frequency energy to a fibroids causing necrosis of the targeted fibroid or by destroying the fibroid's vascular supply. The radio frequency needle preferably has a safety device that shuts-off energy if the needle punctures the uterine wall. In a second embodiment, the needle has a cryogen supply tube and cryogen supply. This embodiment destroys fibroid tissue by freezing it or its vascular supply when the tissue comes in contact with the needle's frozen distal end. The invention further includes the method of using the ultrasound probe with the attached needle.

Opposing, contoured panels are controllably opened by either a translational or rotational movement of a driving control rod to controllably open or dilate a cervix. An insertion depth limiter, prevents over-insertion of the panels into the uterus thereby preventing accidental perforation of the uterine wall. The device can be straight, curved or articulated to accommodate anatomical differences.

A disposable and noninvasive intrauterine fetal monitoring electrode assembly for monitoring fetal heart rate comprises an electrode strip for insertion into the uterus of a woman in active labor, between and in contact with the tissue of the uterine wall and the baby, and an interconnect cable for connecting the assembly to fetal monitoring equipment. The electrode strip comprises a flexible two-sided insulating strip having one or more electrodes disposed on each side of the strip. An electrical connector cable containing electrical leads provides electrical connectivity between each electrode, and a separate electrical lead disposed within the connector cable to the fetal monitoring equipment. The electrode strip of the assembly includes a grip feature by which the electrode strip may be engaged to facilitate its positioning in the uterus.

An abnormal uterine wall perforation is inferred by the failure of the distal balloon of a conventional ablation apparatus, to reach a prescribed, “normal” or “expected” pressure within a prescribed time.

A device and method for delivering a bioactive to the uterine wall. In one embodiment, the device comprises a balloon having the bioactive present within the material of the balloon or on an outside surface of the balloon. Another embodiment provides a method comprising inserting the balloon into the uterus, inflating the balloon so that the outside surface of the balloon exerts pressure on uterine wall and delivering the bioactive to the uterine wall.

The invention belongs to the medical appliance field, in particular discloses an integral hard ultrasonic hysteroscope system. The hysteroscope system comprises a hard hysteroscope, and a light source main engine and a camera main engine which are connected with the hard hysteroscope, wherein the hard hysteroscope comprises a main endoscope part and a hysteroscope sheath part connected with the main endoscope part; the end of the hard endoscope is provided with a miniature ultrasonic probe part, an optical lens, an optical fiber and an instrument channel outlet; and the miniature ultrasonic probe part is directly integrated on the end of the hard endoscope to ensure that the hard endoscope is designed to be an integral hard ultrasonic hysteroscope. The system is characterized in that the miniature ultrasonic technique is combined with the hard hysteroscope, the miniature ultrasonic probe part is added in the structure of the hard hysteroscope, after the integral hard ultrasonic hysteroscope is placed in the uterine canal, the miniature ultrasonic probe part is started to perform linear scanning and circular scanning and obtain the true situation of the uterine canal, and the miniature ultrasonic probe part can detect the pathological changes in the uterine canal and on the uterine wall so as to help doctors to diagnose and cure. The system has good stability, the endoscope image and the ultrasonic image can be obtained more easily at the same time, the image quality in the position of lesion is increased, the diagnosis accuracy is greatly increased, and doctors are convenient to perform operation and obtain the pathological change information of the uterine canal and the uterine wall.

The present invention discloses an Intra Uterine Ball (IUB) device useful for a gynecological procedure or treatment. The aforesaid device comprises a hollow sleeve for at least partial insertion into the uterine cavity; and, an elongate conformable member with at least a portion comprised of shape memory alloy. The elongate member is adapted to be pushed out from said sleeve within said uterine cavity. It is the core of the invention that the elongate member is adapted to conform into a predetermined three dimensional ball-like configuration within said uterine cavity following its emergence from said sleeve, such that expulsion from said uterine cavity, malposition in said uterine cavity, and perforation of the uterine walls is prevented.

The present invention discloses an Intra Uterine Ball (IUB) device useful for a gynecological procedure or treatment. The aforesaid device comprises a hollow sleeve for at least partial insertion into the uterine cavity; and, an elongate conformable member with at least a portion comprised of shape memory alloy. The elongate member is adapted to be pushed out from said sleeve within said uterine cavity. It is the core of the invention that the elongate member is adapted to conform into a predetermined three dimensional ball-like configuration within said uterine cavity following its emergence from said sleeve, such that expulsion from said uterine cavity, malposition in said uterine cavity, and perforation of the uterine walls is prevented.

The embodiment of the invention discloses a fetal monitoring method and a fetal monitoring device, and relates to the technology of electronic medical appliances. The device is convenient for monitoring safety of fetal heart and fetal movement of a fetus. The fetal heart rate monitoring method comprises the following steps: sensing pressure change information caused after a longitudinal wave is transmitted to the sensitive surface of a micro-pressure sensor, wherein the longitudinal wave is generated by the surrounding air pushed by vibration energy of micro-vibration on the maternal abdomen skin surface after a fetal heart sound generated by the fetus is transmitted through amniotic fluid, uterine wall and the maternal abdomen skin; performing amplification, filtration, digital-analog conversion and signal peak value extraction treatments on the pressure change information to obtain the fetal heart rate information; and transmitting the acquired fetal heart rate information to preset electronic equipment. The fetal movement monitoring method comprises the steps of monitoring the vibration of maternal skin by an acceleration sensor, and discriminating fetal movement by operation. The fetal monitoring method and fetal monitoring device are suitable for mobile safety monitoring the fetus.

A method of embryo transfer (“ET”) that improves fertility rates by eliminating transferred air during the procedure is provided. Also provided is a method for hormonally enhancing the uterine wall of a patient either prior to or during the time of ET. Quantitative administration of transfer solutions is accomplished with a modified apparatus that provides for implantation of an embryo into the uterus of a patient. The apparatus comprises an outer sheath and an inner lumen arranged to be slidably disposed within the outer sheath. The inner lumen includes at least one visual marker situated on the exterior surface adjacent its distal end thereof.

The invention belongs to the field of medical instruments, and relates to a uterine cavity compression hemostatic balloon catheter and a control system thereof. According to the uterine cavity compression hemostasis balloon catheter, a balloon and a balloon catheter are both provided with imaging rubber strips, so that doctors can quickly track and position the displacement of the catheter in a vagina and a uterine cavity at any time, and the operation is convenient and fast; after the balloon is inflated, the balloon is in an inverted pear shape, and in the balloon inflation process, exuded blood can be smoothly discharged out of the uterine cavity from a catheter drainage cavity and an outer surface of the balloon, so that blood clots are prevented from hindering the balloon to adhere tothe uterine wall, which influences the hemostatic effect. The uterine cavity compression hemostaticballoon catheter control system has the advantages of automatic control, safety monitoring and simple operation, can more intelligently and scientifically control the capacity of the balloon, ensures that the balloon can be tightly attached to the uterine cavity, and has a good hemostatic effect; the uterine cavity compression hemostatic balloon catheter can rapidly and accurately position, track and monitor safety.

Surgical instruments and surgical systems including the surgical instrument and a morcellator. The surgical instrument includes a tool assembly having an articulating joint and a screw positioned at a distal end of the articulating joint. The articulating joint is configured to articulate a distal portion of the tool assembly at an angle in relation to the longitudinal axis of the surgical instrument. The screw is configured to engage tissue, for example, a myoma in the uterine wall of a patient, and is configured to pitch and roll the tissue to expose cutting planes. The morcellator is configured to engage the tissue to morcellate the tissue and remove the tissue from a patient.

A method for dissecting a myoma from a uterine wall includes inserting a myomectomy screw retractor into a surgical site, articulating a tool assembly positioned at a distal end of the myomectomy screw retractor such that a screw of the tool assembly is positioned adjacent to the myoma orthogonal to the uterine wall, rotating the screw of the tool assembly into the myoma until the screw is substantially engaged with the myoma, manipulating the myoma by pitching, rotating, and / or providing traction to the myoma to expose cutting planes, and dissecting the myoma from the uterine wall by cutting along the exposed cutting planes.

Surgical instruments and surgical systems including the surgical instrument and a morcellator. The surgical instrument includes a tool assembly having an articulating joint and a screw positioned at a distal end of the articulating joint. The articulating joint is configured to articulate a distal portion of the tool assembly at an angle in relation to the longitudinal axis of the surgical instrument. The screw is configured to engage tissue, for example, a myoma in the uterine wall of a patient, and is configured to pitch and roll the tissue to expose cutting planes. The morcellator is configured to engage the tissue to morcellate the tissue and remove the tissue from a patient.

The invention discloses a method for constructing a dangerous placenta previa model based on a 3D printing technology, and relates to the technical field of medical application research, and the key points of the technical scheme are as follows: the method comprises the following steps: 1) performing preliminary examination; 2) performing MRI examination to obtain original image data information;3) analyzing and integrating the original image data information; 4) reconstructing the placenta and uterus of the pregnant woman, and constructing a digital three-dimensional model; and 5) performing3D printing to print a dangerous placenta previa solid model. Clinical doctors can directly observe the position relation between the whole placenta and the uterine wall, the shape of the placenta, the placenta attachment position and placenta edge walking under the 3D visual angle. Therefore, a clinician can conveniently design an operation on a pregnant woman according to the digitized three-dimensional model, the operation risk can be reduced, a solid model of a dangerous placenta previa can be printed, clinical skill training and teaching display can be conveniently carried out on the diseases, and the effect of clinical practice skills of the clinician is improved.

The invention relates to a device for making an abdominal, uterus and amniotic cavity channel, wherein the device is used for manufacturing a channel for performing fetal intrauterine surgical treatment through a navel or an abdominal wall, and comprises a puncture device and an abdominal wall, uterus wall and amniotic cavity combined sheath, wherein the front end of the puncture device comprises self-tapping threads for precise puncture of foetal membranes; and the abdominal wall, uterine wall and amniotic cavity combined sheath is used for constructing a channel penetrating through the abdominal wall, the uterine wall and the amniotic cavity and meanwhile establishing rigid and stable connection with a support beside an operating table.

The invention discloses a conditioning wine, and a preparation method and a drinking method thereof. Through repeated drinking tests, the conditioning wine can enhance human body immunity, conditions endocrine, and can be taken by both men and women; when taken by the women, the wine can nourish ovary, promote female vaginal muscle contraction, warm uterus, promote the uterine wall to be thickened and protect the reproductive system; when taken by the men, the wine can invigorate kidney and strengthen yang, regulate physiological functions, enhance the vitality of sperms and increase the number of the sperms; and the wine also has cancer-prevention, anti-cancer, face-beautifying and anti-aging efficacies, and has special curative effects on hyperlipemia, hyperglycemia, deficiency of both qi and blood, infertility due to uterine coldness, rheumatalgia, men and women poor physique, insomnia and the like.

A wall of a uterus is ablated by expanding a structure in the uterus and applying energy across the wall of the structure into the uterine wall. An exterior surface of the structure conforms to an inner wall of the uterus, and the energy may cause vapor to collect between the wall and the structure. The vapor is released by providing a barrier to release which is inflated at a pressure above which the barrier at least partially collapses to allow the vapor to leave the uterus.

The invention provides devices and methods for performing in vitro fertilization ("IVF") and maximizing successful fertilization rates by optimizing the fluid flow conditions under which zygotes are transferred from growth medium to the uterine wall. The apparatus has a control unit with an external port and an internal pump for creating positive and negative fluid pressure at the port. A flexible extension hose connects the port to an inter-uterine catheter assembly. The catheter assembly has an inner catheter and an outer sheath surrounding the inner catheter. The control unit includes a programmable microprocessor that accepts input commands and controls operation of the pump. Optionally, the control unit has remote control means for activating, de-activating, and reversing the flow of the pump. The control unit can be programmed to repeatedly provide the same aspiration and expulsion flow conditions through the catheter assembly. The control unit may also be programmed to provide a defined sequence of aspiration and expulsion fluid flow conditions through the catheter assembly. The control unit may include an internal memory that records the fluid flow conditions through the catheter assembly during each step of the IVF procedure. By recording the fluid conditions during an Gamma[nu]Tau procedure and counting the number of zygotes that successfully develop into embryos under those conditions, a statistical analysis is performed to determine the optimum fluid flow conditions for an IVF procedure.

A uterine sound is configured having an open and a closed position. Under normal operating conditions, the uterine sound is in the closed position for insertion into a uterus to measure the length of the uterus. Under conditions where there is a risk of the uterine sound perforating a uterine wall, the uterine sound switches into an open position. The open position provides an enlarged surface area of a distal end of the uterine sound that is in contact with a uterine wall and resists perforation by the uterine sound of the uterine wall.

The invention discloses ultrasonic equipment and an ultrasonic image processing method and device. The ultrasonic equipment comprises an image acquisition unit, a controller and a display, wherein the image acquisition unit is used for acquiring multiple frames of continuous ultrasonic images of the placenta and multiple frames of continuous ultrasonic images of the uterine wall of the placenta, the controller is used for judging whether or not a uterine muscle layer exists according to the multiple frames of continuous ultrasonic images, when the uterine muscle layer does not exist, suspected placenta implantation is judged, when the uterine muscle layer exists, whether or not the suspected placenta implantation exists is judged according to the thickness of the thinnest portion of the uterine muscle layer, and the display is used for displaying the ultrasonic images and a judgment result. According to the ultrasonic equipment and the ultrasonic image processing method and device, a user can be assisted in accurately diagnosing whether or not an examined person has the suspected placenta implantation, and the convenience of user's operation is improved at the same time.

The invention discloses a negative-pressure endometrial sampling device, which comprises a sleeve, wherein the top end of the sleeve is represented as a spherical top; a partition board is arranged inside the sleeve; a plurality of air vents are formed in the partition board; by virtue of the partition board, the inner cavity of the sleeve is divided into a ventilation cavity and a sampling cavity; the side, in the sampling cavity, of the top end of the sleeve is formed with a sampling opening, and a switch valve is arranged at the lower end of the sampling cavity; a fixed plate is arranged at the lower end of the ventilation cavity; an elastic hollow ball is arranged below the fixed plate; a first check valve is arranged on the fixed plate; the inlet of the first check valve communicates with the ventilation cavity and the outlet of the first check valve communicates with the hollow inner cavity of the elastic hollow ball; a second check valve is arranged at the upper end of the elastic hollow ball; the inlet of the second check valve communicates with the hollow inner cavity of the elastic hollow ball; and the outlet of the second check valve communicates with atmosphere. The sampling device disclosed by the invention is unnecessary to dilate cervix uterus and is relatively low in compression force on the uterine wall of a patient; the sampling device is capable of reducing injury on the uterus of the patient and is capable of forming stable and continuous negative pressure by continuously squeezing the elastic hollow ball; and the sampling device is high in sampling amount and is good in sampling effect.

The invention relates to a medical self-coagulation knife. The clinical problem that a head of the self-coagulation knife burns through the uterine wall and causes injury of other organs occurs often. The medical self-coagulation knife comprises a knife holder, a head and a protective sleeve; the protective sleeve comprises a first protective sleeve and a second protective sleeve disposed outside the first protective sleeve; the first and second protective sleeves are tightly combined; the first protective sleeve is a hard one, and the second protective sleeve is a soft on; the second protective sleeve covers the outside of the head, and the tail end of the second protective sleeve is fixed to the knife holder; the head can extend and retract in the protective sleeve; a sliding member arranged on the knife holder allows the corresponding head to extend and retract. The medical self-coagulation knife is simple in structure, convenient to replace, widely applicable and high in safety coefficient; the medical self-coagulation knife has the advantages such that less injury and pain is caused to a patient and surgical risk coefficient is low; the medical self-coagulation knife is widely applicable to treatment of tumors in internal organs and cavity walls.

The invention discloses a uterine placement cage for terminating pregnancy, which comprises a T-shaped placement cage. Fallopian tube accessing sleeves are symmetrically arranged at two sides of the placement cage; and the placement cage is also connected to the uterus through a uterine neck accessing sleeve. The T-shaped placement cage is woven by fine weaving fibers with elasticity and memorability; and the woven fibers are made of metal or non-metal materials. The uterine placement cage for terminating pregnancy disclosed by the invention which is made of copper is simple in structure and can terminate pregnancy after being placed in a uterus. Due to the isolating function of the uterine placement cage for terminating pregnancy, when a blastosphere formed by a fertilized ovum is not implanted on an endometrium, the blastosphere is easy to separate from the uterus, the blastosphere and the uterus that are even apparently severed but actually connected can also be separated thoroughly by shearing and twisting among the weaving fibers. As the fertilized ovum is not implanted finally and is not substantially combined with a uterine wall, bleeding is avoided in a surgery. Thus, the uterine placement cage for terminating pregnancy disclosed by the invention can greatly ease pain of women in the surgery and can also enable the surgery to be simple and rapid.

The invention discloses a uterine placement cage for terminating pregnancy, which comprises a T-shaped placement cage. Fallopian tube accessing sleeves are symmetrically arranged at two sides of the placement cage; and the placement cage is also connected to the uterus through a uterine neck accessing sleeve. The T-shaped placement cage is woven by fine weaving fibers with elasticity and memorability; and the woven fibers are made of metal or non-metal materials. The uterine placement cage for terminating pregnancy disclosed by the invention which is made of copper is simple in structure and can terminate pregnancy after being placed in a uterus. Due to the isolating function of the uterine placement cage for terminating pregnancy, when a blastosphere formed by a fertilized ovum is not implanted on an endometrium, the blastosphere is easy to separate from the uterus, the blastosphere and the uterus that are even apparently severed but actually connected can also be separated thoroughly by shearing and twisting among the weaving fibers. As the fertilized ovum is not implanted finally and is not substantially combined with a uterine wall, bleeding is avoided in a surgery. Thus, the uterine placement cage for terminating pregnancy disclosed by the invention can greatly ease pain of women in the surgery and can also enable the surgery to be simple and rapid.

The invention relates to a gynaecology uterine curettage device, and belongs to the technical field of the structures of gynaecology uterine curettage devices. The gynaecology uterine curetlage device comprises an arc-shaped curette rod and a curette, the arc-shaped curette rod is connected with the curette through a connection spring, an elastic rubber tube is covered outside the connection spring, a handle is installed at the upper end of the arc-shaped curette rod, and anti-skid lines are installed on the handle. According to the gynaecology uterine curettage device, the curette rod is connected with the curette through the connection spring, the length of the gynaecology uterine curettage device can be regulated flexibly, and puncture of a uterine wall membrane is avoided. Meanwhile, the curette rod is of an arc shape, medical workers can have good operation visual fields during uterine curettage, and an operation can be conducted smoothly.

Disclosed herein are inflatable balloon apparatuses for use in stopping massive blood flow from a uterine wall due trauma or disease. Also disclosed is a method for using the apparatuses.

A method for dissecting a myoma from a uterine wall includes inserting a myomectomy screw retractor into a surgical site, articulating a tool assembly positioned at a distal end of the myomectomy screw retractor such that a screw of the tool assembly is positioned adjacent to the myoma orthogonal to the uterine wall, rotating the screw of the tool assembly into the myoma until the screw is substantially engaged with the myoma, manipulating the myoma by pitching, rotating, and / or providing traction to the myoma to expose cutting planes, and dissecting the myoma from the uterine wall by cutting along the exposed cutting planes.