534 results about "Uterine cavity" patented technology

An apparatus and method delivers an expandable body member into a uterine cavity of a uterus through a cervical opening and deploys the expandable body member in the uterine cavity. The expandable body member in a compressed state is inserted into the uterine cavity. A fluid is provided to the uterine cavity at a pressure sufficient to inflate the uterine cavity. The expandable body member expands from the compressed state to the expanded state. After expansion of the expandable body member and inflation of the uterine cavity, the fluid pressure is relieved thereby collapsing the uterine cavity about the expandable body member in the expanded state such that an endometrial layer of the uterus and a surface of the expandable body member substantially contact each other in a facially opposing relationship maximizing contact therebetween. The apparatus which performs the method includes an elongated tubular member having the expandable body member connected to a distal portion of the elongated tubular member and a fluid-providing device connected to a proximal portion of the elongated tubular member.

A dual balloon catheter apparatus for controlling postpartum hemorrhage in uterine or vaginal cavities or hemorrhage in other body cavities, comprising: (1) a catheter having an inflation lumen and a deflation lumen; (2) a first inflatable balloon in fluid communication with the inflation lumen; and (3) a second inflatable balloon encompassing the first balloon and in fluid communication with the deflation lumen. A gaseous inflation medium can be introduced from an external gas source through the inflation lumen to inflate the first balloon, so as to apply a substantially even pressure along a substantial portion of an inner surface of a uterine cavity to reduce or eliminate bleeding along such inner surface. The second inflatable balloon functions to confine any gaseous inflation medium that escapes from the first balloon, due to leakage or rapture of such first balloon, and to discharge such escaped gaseous inflation medium through the deflation lumen.

The present invention is an apparatus and methods for selectably assessing a fallopian tube. The apparatus is a device that allows for treatment and / or the assessment of the patency of each fallopian tube independently by isolating at least one cornual regions from the uterine cavity. The method of the present invention is based on use of the device and allows for assessment of fallopian tube patency without the use of dyes of x-rays.

A dual balloon catheter apparatus for controlling postpartum hemorrhage in uterine or vaginal cavities or hemorrhage in other body cavities, comprising: (1) a catheter having an inflation lumen and a deflation lumen; (2) a first inflatable balloon in fluid communication with the inflation lumen; and (3) a second inflatable balloon encompassing the first balloon and in fluid communication with the deflation lumen. A gaseous inflation medium can be introduced from an external gas source through the inflation lumen to inflate the first balloon, so as to apply a substantially even pressure along a substantial portion of an inner surface of a uterine cavity to reduce or eliminate bleeding along such inner surface. The second inflatable balloon functions to confine any gaseous inflation medium that escapes from the first balloon, due to leakage or rapture of such first balloon, and to discharge such escaped gaseous inflation medium through the deflation lumen.

A surgical fluid management system delivers fluid for distending a uterine cavity to allow cutting and extraction of uterine fibroid tissue, polyps and other abnormal uterine tissue. The system comprises a fluid source, fluid deliver lines, one or more pumps, and a filter for re-circulating the distension fluid between the source and the uterine cavity. A controller can monitor fluid retention by the patient.

An intravaginal fertilization and culture container includes a main chamber and a microchamber. A culture medium, one or more oocytes and sperm are introduced through an access opening having an associated resealable closure device. The container is enveloped in a capsule of soft elastic material prior to lodgment in the posterior fornix. A loop on one capsule part adapts the length to anatomic variations. The microchamber has a channel which receives the catheter tip to facilitate embryo retrieval while eliminating risk of injury thereto. The microchamber permits embryos to be microscopically inspected in situ before transfer to the uterine cavity.

An apparatus and method for causing necrosis of tissue and specifically intended for thermal ablation of the uterine cavity to cauterizing the endometrial tissue. The apparatus includes a liquid-tight, liquid filled system having a distal flexible member; a proximal flexible member; and a catheter joining and providing a liquid path between these distal and proximal members. The apparatus further includes a pressurizable pneumatic chamber into which the proximal flexible member is inserted and a means to controllably heat the contents of the pneumatic chamber. The system operates to: first withdraw substantially all of the liquid into the proximal flexible member contained within the pressurizable pneumatic chamber; second to heat this liquid to a temperature such that it can cause tissue necrosis; and third to force the heated liquid from the proximal flexible member into the distal flexible member where it is maintained for a predetermined time and at a predetermined pressure. Where this distal member has been inserted into a uterine cavity or is otherwise is in contact with living tissue, the presence of the heated liquid results in tissue necrosis and cauterization.

An apparatus for ablating tissue with the uterine cavity is provided. The apparatus includes an ablation catheter and an expansible member. The expansible member is attached to the ablation catheter and it has a residual volume greater than the volume of the uterine cavity and exhibits residual dimensions greater than the anatomical dimensions of the 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. If the flow rate drops to zero or close to zero, this indicates that the uterine cavity is intact and not perforated. If the flow rate does not drop to zero or close to zero, this indicates that a fluid flow is leaking through a perforation in the uterine cavity into the uterine cavity or escaping around an occlusion balloon that occludes the cervical canal.

An occlusion device (10) for actively occluding the orifices (12) of the fallopian tubes (14) using the shape of the uterine cavity (16) as a guide to proper positioning of the occlusion device (10) includes a resilient body (18) including an elongated member (28) having a first end (30) and second end (32), and a first orifice plug (20) secured at first end (30) of the elongated member (28) and a second orifice plug (22) secured at second end (32) of the elongated member (28). The first and second orifice plugs (20, 22) are shaped and dimensioned to seat at the orifices (12) of the fallopian tubes (14) or within the fallopian tubes (14) as the elongated member (28) spreads outwardly with the first end (30) and second end (32) moving apart.

A cervical tenaculum is provided having an applicator member with a longitudinal lumen and a tubular member dimensioned to reciprocate within the lumen. The applicator and tubular members are first connected one to the other by engaging protrusions extending from the distal end of the tubular member with matching grooves inside the lumen. After positioning the applicator member in the cervical os of a patient, the protrusions are disengaged from the grooves, and the tubular member is disconnected from the applicator member and removed from the patient. The applicator member instead remains positioned in the cervical os and provides access to the uterine cavity by a clinician. In different embodiments, the applicator member is frustoconical in shape and has one or more ridges disposed on its outer surface, and a control arm is connected to the applicator member for accurate positioning into the cervical os.

The invention provides a devices, methods and systems to measure and record uterine tissue environment components such as pH during the course of uterine artery occlusion. The uterus becomes ischemic due to the occlusion thereof, and its pH drops sharply within minutes of uterine artery occlusion and remains relatively low for a period of time. The return of normal pH is an indicator of return of blood to the ischemic tissue. In use, a catheter with a pH measuring tip is advanced through the patient's vaginal canal and into the patient's uterine cavity until the pH measuring active electrode on the distal end of the catheter contacts or penetrates the uterine fundus. The active electrode detects the pH and a signal representing pH is transmitted to a pH recording and monitoring device which preferably displays the pH. The signal may be transmitted through a conductor or by a radio transmitter. Components other than pH may be monitored such a pCO2, and pO2.

A system for treating uterine tissue having a seal assembly configured for positioning in a patient's cervical canal and uterine cavity; an expandable distal balloon portion; an expandable elongate medial balloon portion configured for movement between a first transversely expanded shape for engaging a cervical canal and a second transversely non-expanded shape for trans-cervical insertion; and a fluid source in communication with distal balloon portion and medial balloon portion for expansion of said balloon portions.

A vaginal cervical retractor used to maneuver and visualize the uterus during various medical examinations and procedures would include an inner tube provided with a movable assembly of plastic cups (cervical cup and vaginal cup) designed to be inserted into the uterine cavity and a retractable electrosurgical needle. A cervical cup is molded to a hollow outer shaft to form the movable cup assembly. This hollow shaft is provided through which the inner tube can be inserted. By utilizing a vaginal cervical retractor elevator provided with an inner rigid tubing, freely sliding vaginal cup and cervical cup designed to move on the inner tubing, attached to a hollow, plastic outer shaft into which the inner tubing can be inserted, and a retractable, flexible, electrosurgical needle, the colpotomy procedure can be performed with the improved uterine manipulator.

An apparatus for use in connection with an endoscopic surgery comprises an elongated body adapted to be placed at least partially in the vagina of a female patient partially passing through the wall of the vagina such that an end portion of said elongated element is introduced into rectouterine pouch; the elongated body comprises at least an attachment means for accommodating at least a part of at least a surgical instrument comprising an end portion adapted to be received inside the vagina, the surgical instrument and the apparatus are movable to each other. An endobag having an elongated port is provided through the vagina into the pelvis. A method for use in a pelvic or peritoneal surgery is provided wherein at least an elongated end portion of a surgical instrument is provided in the cavity of the uterus through the vagina of a female patient such that the uterus can be repositioned by manipulating the surgical instrument and an incision is performed on the vaginal wall for accessing to the rectouterine pouch, a flexible element is provided in pelvis wherein the flexible element is looped around the uterus such that the flexible element encircles the uterus.

The present invention relates to a flexible plastic intrauterine device with contraceptive aim, which has a “T” shape. The length of the horizontal arms coincides approximately with the width of the uterine bottom according to the parity and the length of the vertical rod of the frame with the functional uterine cavity of the nulligest, nulliparous, young and multiparous Mexican women. The intrauterine device is presented in five models whose measurements of length of the frame or of the tilde or horizontal arms are from 13 to 33 mm and the length of the post or vertical rod is from 21 mm to 39 mm. Attached or injected thereto is included a plastic monofilament from 10 to 40 cm in length in the distal end of the post or vertical rod whose shape is a spherical, hexagonal or flat. The plastic frame of medical grade contains wound in the tilde or both horizontal arms of the “T” a copper filament from 0.24 to 0.26 mm in diameter or a copper tube from 2.1 to 2.2 mm in exterior diameter, and a length of 4.9 to 5.2 mm that is 99.99% pure. Furthermore in the post or vertical rod there will also be a winding of copper filament between 0.24 to 0.26 mm in diameter, whose total surface, of the horizontal arms and of the post or vertical rod is between 200 and 380 mm2. Plastic frame of radiopacifiant material of 23%±5% and 77%±5% of flexible medical plastic grade and viscoelastic or deformation properties not greater than 5 mm of its original form.

An intrauterine device for applying pressure to the walls of the uterine cavity includes a resilient body having an elongated member which includes a first end and a second end which are resiliently biased away from each other. The first end of the elongated member includes a first leg having a first end and a second end. The second end of the elongated member includes a second leg having a first end and a second end. A connection member is positioned between the first end of the first leg and the first end of the second leg. A first plug member is secured at the second end of the first leg and a second plug member is secured at the first end of the second leg. The first and second plug members are shaped and dimensioned for bearing against the walls of the uterine cavity as the elongated member spreads outwardly with the first end and the second end moving apart. A method for preventing conception within the uterine cavity is also disclosed.

Systems and related methods for treating postpartum hemorrhage through insertion of a flexible and expandable cryoballoon into the intrauterine cavity, inflating it to conform to the size and shape of the cavity, pressurizing it to apply pressure on damaged tissue and / or blood vessels that are bleeding, and filling it with a chilled fluid to provide numbing and blood coagulation. The cryoballoon can be coated with a drug or hormone to promote blood coagulation and / or uterine contractions to expedite the cessation of bleeding. In addition, cryoballoon can be coated with a topical anesthetic and / or antiseptic agent to numb and clean the damaged areas. Further, the cryoballoon can be fabricated of a biodegradable, bioerodeable or other biocompatible material so that it can be left in the intrauterine cavity for an extended period of time after insertion.

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. If the flow rate drops to zero or close to zero, this indicates that the uterine cavity is intact and not perforated. If the flow rate does not drop to zero or close to zero, this indicates that a fluid flow is leaking through a perforation in the uterine cavity into the uterine cavity or escaping around an occlusion balloon that occludes the cervical canal.

The invention discloses a novel gynecological operation auxiliary system. The novel gynecological operation auxiliary system comprises a uterus expanding module, a camera shooting module, surgical instruments and a software and hardware supporting module, wherein the uterus expanding module comprises a plurality of expanding wires, an inner tube, an outer sheath tube and a tee joint, the camera shooting module comprises a fixing frame, a camera and a cleaning spray nozzle, the software and hardware supporting module is used for displaying images in the operation process in the whole journey and used for information collection and file storage, the fixing frame is installed on the expanding wires of the uterus expanding module, the camera is connected with the software and hardware supporting module, and the surgical instruments penetrate through the inner tube and the tee joint to enter the uterine cavity. The novel gynecological operation auxiliary system systematically solves a series of problems of uterine cavity expansion, visual operations, information and file storage and the like in the gynecological operation.

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.

A method for performing a cesarean section includes the occlusion of uterine arteries using an atraumatic occlusion instrument, for example, an atraumatic clamp, after pulling the uterus from the pelvic cavity and placing it on the patient abdomen, The method significantly reduces blood loss in patients. An atraumatic occlusion clamp has disposable covers made of gauze.

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. If the flow rate drops to zero or close to zero, this indicates that the uterine cavity is intact and not perforated. If the flow rate does not drop to zero or close to zero, this indicates that a fluid flow is leaking through a perforation in the uterine cavity into the uterine cavity or escaping around an occlusion balloon that occludes the cervical canal.

The invention relates to a uterine cavity microwave treatment device for the obstetrics and gynecology department, which belongs to the technical field of medical equipment. According to the technical scheme adopted, the uterine cavity microwave treatment device comprises a device body and a microwave massage cover; a variable-frequency transformer chamber is internally provided with an E-type variable-frequency coil, the microwave massage cover is internally provided with a massage layer, a massage roller is arranged in the massage layer, and the lower side of the massage roller is provided with a microwave channel opening; a microwave reaction device is arranged inside the device body, and the microwave reaction device is internally provided with a reaction layer; the outer side of a carbon rod is provided with a magnetic induction coil; an external conveying cylinder is arranged at the right side of the microwave reaction device, and a microwave amplifier is arranged inside the external conveying cylinder; and the front side of the microwave reaction device is provided with wiring contacts. The uterine cavity microwave treatment device for the obstetrics and gynecology department is fully functional and easy to use, saves time and labor in uterine cavity microwave treatment recovery of patients, is scientific and convenient, and safe and efficient, and reduces the work difficulty of medical staff.

The invention discloses a hysteroscopic surgery simulator, which comprises an examining table, a female human model, a uterine cavity resectoscope, a rotation sensor, a displacement sensor, a force feedback touch simulator, data receiving processing equipment, a 3D (three-dimensional) model processing server, a 3D platform system server and display equipment. The hysteroscopic surgery simulator is characterized in that the uterine cavity resectoscope is put in the model; the lower part of the resectoscope body is provided with the displacement sensor and the rotation sensor; the tail end of the resectoscope body is provided with the force feedback touch simulator; the displacement sensor, the rotation sensor and the force feedback touch simulator are respectively and bi-directionally related with the data receiving processing equipment arranged in the examining table. Various 3D stereoscopic models of normal tissues and diseases of a virtual uterine cavity and 3D models for an operation process are stored in the 3D model processing server, and a hysteroscopy and surgery operation interface and entering and playback software are stored, and are output to the display equipment through the 3D platform system server to show vivid virtual 3D images; the hysteroscopic surgery simulator also has a vivid force feedback touch, so that the effects of hysteroscopy, and surgery skill training and assessment can be obviously improved.

Methods, systems and devices for endometrial ablation. In accordance with a method, a working end of an RF ablation device is positioned in a patient uterus to contact endometrial tissue, the working end comprising a dielectric wall capable of non-expanded and expanded shapes. A Hall effect sensor carried by the working end is used to generate a signal that indicates a dimension of the uterine cavity or a frame-open parameter of the working end.

A surgical fluid management system delivers fluid for distending a uterine cavity to allow cutting and extraction of uterine fibroid tissue, polyps and other abnormal uterine tissue. The system comprises a fluid source, fluid deliver lines, one or more pumps, and a filter for re-circulating the distension fluid between the source and the uterine cavity. A controller can monitor fluid retention by the patient.