37 results about "Uterine cavity" patented technology

1. Name of the product in this design: Disposable hysteroscope. 2. Purpose of this design: To observe the morphology and lesions within the uterine cavity and to perform surgical procedures. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

An everting balloon system is disclosed that can be used for the placement of an IUD within the uterine cavity of a female patient. The everting balloon system with IUD can be used to access a uterine cavity at specific locations in the fundus. A one-handed IUD delivery system for placement with an everting catheter is disclosed. An IUD loading system for placement within an everting catheter is disclosed. The everting catheter with an IUD can simplify the process of IUD placement within the uterine cavity.

This invention belongs to the field of biomaterials technology and discloses a two-component in-situ crosslinking agent, a biodegradable two-component hydrogel, and their applications. The two-component in-situ crosslinking agent disclosed in this invention has injectability and rapid gelation properties. The hydrogel formed after crosslinking has a low self-swelling rate, good elasticity, and is not easily crushed. It also has a suitable metal ion slow-release cycle and degradation cycle for preventing tissue adhesion or tissue repair. It is especially suitable for high-risk areas of postoperative adhesion such as the uterine cavity, abdominal cavity, and joints, and can also promote tissue regeneration.

The application discloses a uterine cavity hemostatic forceps and belongs to the technical field of hemostatic forceps. The hemostatic forceps comprises telescopic forceps handles, one end of the forceps handle is fixedly connected with a half-ring sleeve, a half-ring handle is slidably connected in the half-ring sleeve, one end of the half-ring handle is fixedly connected with a forceps head, the other end of the half-ring handle is threadedly connected with a fastener, the fastener is slidably matched with the half-ring sleeve, two connecting rings are fixedly connected in the half-ring sleeve, and a positioning pin is rotatably connected between the two connecting rings. The half-ring handle with the forceps head can be adjusted at multiple angles through the rotation of the half-ring sleeve and the half-ring handle, the angle use requirement of the forceps head in different states is met, and the use diversity of the hemostatic forceps structure is improved.

The application provides an injectable hydrogel for endometrial repair and / or prevention of adhesion of uterine cavity and a preparation method and application thereof, and belongs to the technical field of biomedical materials. The injectable hydrogel is composed of a base gel and a decellularized matrix distributed in the base gel; the base gel is composed of a cross-linked carboxymethyl chitosan gel and a carbomer gel; the base gel has an interpenetrating or semi-interpenetrating double network structure; and the cross-linked carboxymethyl chitosan gel is a chemical cross-linked carboxymethyl chitosan gel. In the application, the injectable hydrogel forms a base gel with an interpenetrating or semi-interpenetrating double network structure by using a cross-linked carboxymethyl chitosan gel and a carbomer gel, and is compounded with a decellularized matrix, so that the injectable hydrogel has high elasticity and high adhesion, can effectively prevent adhesion and repair damaged tissues, has a long action time, and has good biocompatibility.

This utility model discloses a disposable uterine manipulator, including a manipulator body, a manipulator rod, a guide rod inserted inside the manipulator rod, and an expansion airbag (annular airbag) surrounding the manipulator rod. A fixing airbag for uterine manipulation is connected to the guide rod. The fixing airbag includes multiple directional expansion airbags arranged circumferentially around the guide rod. A limiting strip is provided on the inner wall of the directional expansion airbag along the length of the guide rod, and a limiting portion is provided on the limiting strip. The expansion airbag and the fixing airbag are respectively connected to an air pump via gas pipelines. By inflating the expansion airbag, it can adapt to vaginas of different sizes and shapes, and also perfectly and evenly act on the entire fornix, providing a favorable environment for subsequent uterine manipulation. Simultaneously, inflating the fixing airbag fills the entire uterine cavity, effectively meeting the needs of uterine manipulation. Furthermore, the expansion airbag and the fixing airbag can be used as disposable consumables, effectively reducing the risk of cross-infection from surgical instruments.

The application belongs to the technical field of medical devices, and specifically provides a uterine curettage device for gynaecology and obstetrics, which comprises a supporting pipe, one end of the supporting pipe is provided with a flexible plug, the end of the supporting pipe away from the flexible plug is provided with a handle type operating mechanism, an adjustable scraping mechanism is slidably arranged in the supporting pipe, the adjustable scraping mechanism is installed on the upper part of the handle type operating mechanism, and the end of the adjustable scraping mechanism away from the supporting pipe is installed with a collecting mechanism; the uterine curettage device for gynaecology and obstetrics can conveniently adjust the penetration depth of the operating pipe and effectively avoid repeated and excessive scraping, a hidden cutting knife is adopted, the endometrial state is protected, the uterus is prevented from being perforated, and the pain of the patient is reduced; in addition, the uterine cavity tissue is collected in a negative pressure adsorption mode, the collecting chamber is divided into multiple convertible chambers, the uterine cavity samples at different positions can be conveniently sampled, and the accuracy of pathological diagnosis is improved.

This utility model relates to the field of medical device technology and discloses a cervical stent structure for use with a Gynee IUD, which is installed in the uterine cavity. The cervical stent structure includes a connecting rod and an elastic support assembly: the first end of the connecting rod along its length is used for fixed connection to the Gynee IUD; the elastic support assembly is disposed on the outer circumferential surface of the connecting rod and is used for insertion into the cervical canal for support. The elastic support assembly has a first state of compression and radial contraction, and a second state of expansion and unfolding. The size of the elastic support assembly in the first state is smaller than the size of the cervical canal, and the size of the elastic support assembly in the second state is larger than the size of the cervical canal. This utility model can effectively prevent the cervical canal walls from approaching each other radially along the connecting rod and recurring adhesions.

The utility model discloses a kind of uterine cavity hemostasis balloon devices, including balloon and catheter assembly, catheter assembly includes sleeve and the drainage tube and multiple infusion tubes being evenly arranged in sleeve, balloon includes first balloon, second balloon and third balloon from below to above in sleeve sequentially sleeved on;The top end of sleeve is equipped with drainage hole, and the both ends of drainage tube are respectively communicated with drainage hole and drainage device;Each infusion tube is communicated with infusion device respectively first balloon, second balloon and third balloon. By setting multiple balloons, by first balloon provides supporting force, and the second balloon after expansion gives third balloon upward force, so that third balloon can compress the part of upper part bleeding in uterine cavity, while under the action of third balloon's gravity and first balloon's supporting force, second balloon is expanded and extended to outside, so that second balloon can compress uterine cavity lateral wall, so as to have better hemostatic effect, structure is safe and simple.

The present disclosure provides mRNA-based estrogen receptor regulatory compositions and their applications in estrogen low-responsive endometrial diseases, in particular, the use of mRNA of estrogen receptor alpha in the preparation of a drug for treating endometrial diseases. The scheme of the present disclosure can up-regulate the expression of estrogen receptor alpha (ERa) through in situ transfection in the uterine cavity, significantly increase the endometrial thickness, restore the endometrial structure and improve the fertility function.

This invention relates to the pharmaceutical field, specifically to a drug for the prevention or treatment of endometrial fibrosis, comprising poloxamer and spermidine; poloxamer is added to the spermidine solution and swelled at 3-5°C until completely dissolved to form a liquid precursor; the liquid precursor undergoes a phase transition at 35-40°C to form a gel; the liquid precursor is injected into the uterine cavity to reduce the expression of αSMA in the endometrial tissue, inhibit the transformation of stromal cells into myofibroblasts, and promote angiogenesis.

This invention provides a composition for treating dysmenorrhea due to cold in the uterus and relieving menstrual pain, and its preparation method, relating to the field of traditional Chinese medicine composition technology. The raw materials of this composition are: bergamot, oldenlandia diffusa, broom flower, evening primrose-morinda officinalis extract, mugwort, chuanxiong rhizome, angelica sinensis, astragalus, frankincense, myrrh, madder root, licorice, prepared rehmannia root, dried ginger, eucommia bark, peach kernel, safflower, Tween-80, sodium carboxymethyl cellulose, propylene glycol, methylparaben, and water. Through the synergistic effect of each component, it can regulate uterine smooth muscle contraction, relieve uterine smooth muscle spasms, improve blood rheology, effectively improve uterine microcirculation, help expel stagnant blood from the uterine cavity, and relieve menstrual pain. It has the effects of promoting blood circulation, removing blood stasis, regulating menstruation, relieving pain, replenishing qi and nourishing, and warming the middle jiao and dispelling cold, thus it can be used to treat dysmenorrhea due to cold in the uterus and relieve menstrual pain.

The application discloses a kind of multilayer three-dimensional uterine cavity drug-loading stents, including at least two stent bodies, the height and length of all stent bodies are identical;All stent bodies bottom end are fixed in the sleeve, and the top of any two stent bodies is provided with spacing;Stent body height direction is connected with at least two ears, each ear is annularly expanded structure, one ear is connected to the top end of all stent bodies;The distance from the center of each ear to the edge vertex gradually increases from the bottom to the top of stent body;The surface of multilayer three-dimensional uterine cavity drug-loading stent is provided with drug coating, and the drug coating includes silica gel matrix mixed with active drug;The material of stent body and ear is nickel-titanium alloy, and both have shape memory property.The application has the characteristics of guaranteeing long-term support stability, less metal implantation, improving comfort, reducing delivery force value, strong drug coating bonding force, controllable drug release period.

This invention discloses a bio-protein polyurethane composite hemostatic stent and its preparation method, belonging to the field of medical devices. The hemostatic stent comprises, by weight, 10-50 parts bio-protein, 50-90 parts polyurethane, 0.1-0.5 parts crosslinking agent, and 2-5 parts pore-forming agent. This invention, by combining bio-protein and polyurethane to form a stable interpenetrating network structure, produces a hemostatic stent with good mechanical properties, a controllable degradation rate, and a porous structure. It can closely adhere to the uterine cavity wound, achieving rapid hemostasis and long-term anti-adhesion. It is also safely degraded and absorbed by the human body, eliminating the need for secondary removal. Furthermore, it can load bioactive excipients, effectively promoting wound healing.

This invention relates to an endometrial cell collector, comprising an outer sheath, a sampling handle, and sampling brushes. The sampling handle is inserted inside the outer sheath, with one end extending out of the sheath. Multiple sampling brushes are arranged side-by-side, each rotatably mounted within the sampling handle and radially arranged along it. The length of each sampling brush is greater than the length of the sampling handle, with both ends extending out of the handle. Each sampling brush has a brush head at one end. When the sampling handle approaches the outer sheath axially, the brush head extends out of the sheath, and the extended brush heads are arranged in a fan shape to expand the contact area with the uterine cavity, reaching both uterine horns. The multiple sampling brushes arranged side-by-side within the outer sheath can extend and retract under the push and pull of the sampling handle. The fan-shaped arrangement of the extended brush heads ensures coverage throughout the entire uterine cavity, preventing missed sampling.

The application discloses a kind of uterine cavity medicine multi-point release device, including support, support includes uterine bottom section, left branch arm section and right branch arm section, uterine bottom section, left branch arm section and right branch arm section are jointly enclosed and form uterine type contour, uterine type contour is sequentially provided with several medicine release bags, medicine release bag is opened with medicine cavity, injection structure is opened on medicine release bag, slit is arranged on medicine release bag, suture line is arranged on medicine release bag, the end of several suture lines extends operation end, the position corresponding each medicine release bag on uterine type contour is provided with guiding structure for being limited to suture line when support is not placed into patient body outside to avoid suture line displacement by external stress and adaptive structure for cooperating with guiding structure to drive guiding structure to remove the limitation of suture line after support is placed into patient body outside self-adapting.The application solves the problem that existing uterine cavity drug delivery device is difficult to achieve multi-point drug release accurately and controllably in operation.

This application discloses a postoperative endometrial protective anti-adhesion repair dressing for uterine cavity surgery. The dressing is a sterile hydrogel preparation comprising gradient cross-linked sodium hyaluronate, recombinant type III humanized collagen, and carboxymethyl chitosan. Therefore, this application uses medical-grade natural genipin to replace toxic chemical cross-linking agents such as BDDE to construct a gradient cross-linked sodium hyaluronate system, which is non-irritating to the uterine cavity mucosa, ensuring the safety of postoperative recovery. By precisely compounding high-molecular-weight and low-molecular-weight sodium hyaluronate and accurately controlling the cross-linking time, the anti-adhesion effect and postoperative repair quality are significantly improved. The gel rheological properties are optimized, resulting in a long retention time in the uterine cavity, excellent uterine cavity adaptability, and a stable and reliable physical barrier function. It integrates anti-adhesion, wound protection, and lubrication protection functions, and adopts a pre-filled uterine cavity-specific pusher design, allowing for immediate use without the need for additional intraoperative configuration, effectively reducing the risk of cross-contamination.

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).

1. The name of the design product: uterine tissue resection device. 2. The use of the design product: the design product is used in medical and health services, mainly for the power system and resection device of uterine tissue resection. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1. 5. Other circumstances that need to be explained: the enlarged view C part is transparent material.

The application discloses a kind of sodium hyaluronate-polyurethane composite hemostatic anti-adhesion sponges for uterine cavity and its preparation method and application, it is related to medical biological composite material technical field;The composite hemostatic anti-adhesion sponge includes sodium hyaluronate crosslinking gel and polyurethane and its porosity is 70%~95%, water absorption is 8~20 times of its own mass, tensile strength is 0.4~1.2MPa, in vitro degradation period is 20~45 days, crosslinking agent residual amount is less than 0.1ug / g, cytotoxicity is less than or equal to 1 level;Sodium hyaluronate crosslinking gel will form soft and lubricious physical barrier after water absorption and expansion, effectively isolate uterine anterior and posterior wall wound, prevent adhesion, provide environment for wound healing;Polyurethane sponge can quickly reach relatively balanced water absorption, help to quickly absorb uterine cavity exudate, keep wound clean, also can provide mechanical support, prevent uterine cavity contracture deformation;Polyurethane is matched with uterine cavity clinical healing period, and degradation product has no toxicity residue.

This invention relates to the field of medical device technology and discloses a uterine tissue aspiration device suitable for obstetrics and gynecology, comprising a suction box, a housing fixedly connected to the right side of the suction box, an adjustment component disposed within the housing's inner cavity, a piston disposed within the suction box's inner cavity, a movable rod fixedly connected to the right side of the piston, a first suction tube connected to the left side of the suction box, and a threaded bottle cap fixedly connected to the left side of the suction box and below the first suction tube. This invention, by setting an adjustment component, drives the piston to perform precise linear reciprocating motion within the suction box. Combined with a controller, the speed and direction of the motor can be precisely controlled, thereby achieving linear and stable adjustment of the negative pressure and suction rate within the suction box. This avoids pressure fluctuations from manual operation and the impact of the electric pump, allowing for the setting of optimal pressure according to surgical needs, effectively reducing the risk of endometrial damage, uterine perforation, or tissue residue caused by improper suction, and improving the safety and success rate of the surgery.

This utility model discloses a visual aspiration tube anti-fog lens, including a housing. A probe tube and a connecting tube are respectively installed on both sides of the housing. A lamp head for illumination is installed at the end of the probe tube. An opening is formed on the outer wall of the probe tube near the lamp head, and a visual lens for observing the uterine cavity is installed within the opening. This visual aspiration tube anti-fog lens features a rotating structure design that greatly improves operational convenience. By setting a locking block that engages with a rotating wheel, and utilizing the attraction between opposite poles of magnetic materials, medical personnel can easily disengage the locking block from the rotating wheel with a simple pressing operation, thereby enabling the probe tube to rotate freely. This design allows adjustment of the lamp head, opening, and visual lens angles without rotating the entire device, making single-handed operation more flexible and significantly improving the doctor's operating experience and work efficiency.

This invention relates to the field of medical device technology and discloses a uterine tissue aspiration device suitable for obstetrics and gynecology, comprising a suction box, a housing fixedly connected to the right side of the suction box, an adjustment component disposed within the housing's inner cavity, a piston disposed within the suction box's inner cavity, a movable rod fixedly connected to the right side of the piston, a first suction tube connected to the left side of the suction box, and a threaded bottle cap fixedly connected to the left side of the suction box and below the first suction tube. This invention, by setting an adjustment component, drives the piston to perform precise linear reciprocating motion within the suction box. Combined with a controller, the speed and direction of the motor can be precisely controlled, thereby achieving linear and stable adjustment of the negative pressure and suction rate within the suction box. This avoids pressure fluctuations from manual operation and the impact of the electric pump, allowing for the setting of optimal pressure according to surgical needs, effectively reducing the risk of endometrial damage, uterine perforation, or tissue residue caused by improper suction, and improving the safety and success rate of the surgery.

The utility model discloses a kind of uterine cavity tampon yarn, including first gauze piece, second gauze piece, gauze sleeve and several developing lines, the developing line is filled in the gauze sleeve, the first gauze piece and second gauze piece are sewn together, the gauze sleeve is between first gauze piece and second gauze piece, two adjacent developing lines in gauze sleeve are not fixed together.This kind of uterine cavity tampon yarn has the following beneficial effects: two complete gauze pieces are sewn together to form, and discontinuous developing line is used, developing line can slide in gauze sleeve as needed, can be smoothly inserted into uterine cavity, and will not cause fracture residue when pulling out.

The present application relates to the technical field of molecular diagnosis, and specifically relates to application of female uterine cavity flora as a marker in endometriosis diagnosis. The present application collects uterine cavity flora of patients, extracts genomic DNA, performs bacterial 16s-rRNA sequencing, uses KEGG as a reference database for function prediction, determines that abnormal abundance of uterine cavity flora dominant bacteria has significant correlation with dysmenorrhea and high CA125 value of endometriosis patients, clarifies the correlation between abnormal uterine cavity flora and endometriosis, and provides a new method for evaluating the risk of endometriosis by detecting uterine cavity flora atlas.

This invention discloses a uterine cavity sustained-release drug delivery device for assisted reproductive technology, belonging to the field of medical device technology. It includes a drug reservoir tube with a push rod slidably passing through its top. A piston plate is attached to the bottom of the push rod and slidably disposed within the drug reservoir tube. It also includes a leak-proof mechanism disposed on the outside of the drug reservoir tube, used to seal any gaps and completely enclose the drug within the uterine cavity; and a drug delivery mechanism disposed inside the drug reservoir tube, which improves drug coverage by adding a drug dispensing channel. This uterine cavity sustained-release drug delivery device for assisted reproductive technology can seal the gap between the device and the internal cervical os after drug administration, ensuring complete drug encapsulation within the uterine cavity. The retention time can be extended to over 30 minutes, and the addition of a drug dispensing channel achieves a drug coverage rate of over 92%, thereby improving the therapeutic effect.

The application provides an intrauterine precise guiding and delivering insemination device, and relates to the technical field of medical devices, which comprises a suction and delivery unit, a rotating insemination unit and a driving auxiliary unit; the rotating insemination unit is installed at the left end of the suction and delivery unit, the rotating insemination unit is used for sucking fluid containing sperm, and the rotating insemination unit is also used for delivering the fluid containing sperm into the uterine cavity; the driving auxiliary unit is installed on the rotating insemination unit, and the suction and delivery unit and the driving auxiliary unit are used for improving the delivery precision of the rotating insemination unit; when two rows of arc-shaped pushing blocks push two movable increasing frames to slide inward, the air in the rectangular booster shell enters the driving air bag, automatic driving of the rotating insemination head is realized, the delivery direction of the fluid containing sperm can be automatically changed, and the problem that the delivery position cannot be automatically changed when the fluid containing sperm is delivered, thereby affecting the success probability of fertilization, is solved.

This invention relates to the field of medical device technology, specifically disclosing a visualized intrauterine immunotherapy drug infusion and flushing device, comprising an installation mechanism, an insertion mechanism, a flushing mechanism, an infusion mechanism, an aspiration mechanism, a sealing mechanism, and a visualization mechanism. The installation mechanism and the insertion mechanism are detachably connected by threads; the insertion mechanism has an independent channel inside, and its front end is equipped with a sealing airbag, a flushing nozzle, a vortex chamber atomizing nozzle, and an image sensing module. This application can monitor the intrauterine cavity status in real time through the visualization mechanism, use the sealing airbag to prevent drug leakage, and use a micro-circuit board to coordinately control the infusion and aspiration pressures to achieve uniform atomized drug delivery under dynamic pressure balance, effectively improving the penetration depth, operational safety, and treatment accuracy of intrauterine immunotherapy, while reducing the cost of consumables.