28 results about "Curettage" patented technology

The utility model provides a curettage tool for apical surgery, which comprises a handle, a neck part and a curettage head, the handle is connected with the curettage head through the neck part, the neck part is bent by 80-100 degrees, the curettage head is shovel-shaped, and one end of the curettage head far away from the neck part is provided with a tip. Through the shovel-shaped design of the digging spoon head, the digging spoon can extend into the position where tooth roots are difficult to scrape, and the problem that the included angle between the root tip lesion lingual side and the tooth surface is an acute angle and is difficult to scrape thoroughly is solved. By means of the specially designed angle, diseased tissues right behind and behind the tooth root can be scraped more effectively, residues of granulation tissues can be reduced, the healing speed of root apex bone defects is increased, and the operation efficiency is improved.

The invention belongs to the technical field of medical model construction, and particularly relates to a construction method of a severe endometrial injury mouse model ineffective in MSCs treatment. The method specifically comprises the following steps: S1, selecting a female mouse to adapt to the environment for 2-3 days; s2, after the mouse adapts to the environment, anesthetizing the mouse on the 0th day, performing laparotomy to physically scrape the inner uterine wall of the mouse, and then performing injury induction and suturing on the inner uterine wall by using an LPS (Lipopolysaccharide) solution; s3, repeating the step S2 on the third day, and performing laparotomy, curettage, LPS induction and suture on the mouse; s4, preliminarily evaluating the severe endometrial injury condition of the mouse on the fifth day; s5, injecting MSCs into the uterus of the mouse with the severe endometrial injury to treat the endometrial injury; and S6, on the eighth day, collecting a uterus sample to evaluate the repair capability of the MSCs, and screening to obtain the severe endometrial injury mouse model ineffective in MSCs treatment. Through a mode of carrying out physical curettage and lipopolysaccharide induction on the uterus through twice laparotomy, severe IUA patients ineffective in clinical MSCs treatment are better simulated.

The utility model discloses an annular cervical canal curettage device, which comprises a curettage handle and a sleeve, the sleeve is sleeved on the curettage handle and can axially move relative to the curettage handle, the curettage handle comprises an operating end and a leading-in end, and the leading-in end of the curettage handle is provided with a leading-in head; one end of the sleeve is provided with a non-closed elastic annular curettage head, and the elastic annular curettage head is arranged on the curettage handle in a sleeving manner and is attached to the guide-in head; the operating end of the curettage handle drives the leading-in head to abut against the elastic annular curettage head under the action of external tension, so that the elastic annular curettage head is stressed and expanded; and an adjustable locking mechanism is also arranged between the curettage handle and the sleeve. The elastic annular curettage head of the annular cervical canal curettage device can be stretched under stress, can be fully attached to the cervical canal and can gently scrape mucosa tissue cells from the mucosa of the cervical canal, pain and discomfort of a patient are avoided, meanwhile, standardized and normalized operation is facilitated, and operation technicians are easy to train.

The invention discloses a jaw cyst scraping instrument and a using method, and relates to the technical field of medical instruments. The scraping treatment instrument comprises a handle, a flexible connecting rod capable of being manually shaped and a brush head assembly, wherein a bristle unit in the brush head assembly is detachably fixed to a brush base in a magnetic attraction mode; three plastic core materials distributed in an equilateral triangle shape are arranged in the connecting rod, and the outer side of the connecting rod is sleeved with an elastic reset sleeve. The device can adapt to a complex bone cavity form through the moldable connecting rod, and the problem of a scraping blind area of a traditional rigid instrument is solved; the magnetic type bristle unit can be prevented from falling into the body of a patient, and the debridement suitability is improved by matching with the multi-shape bristle unit; the reset sleeve achieves convenient reset of the connecting rod, the operation efficiency and safety are integrally improved, and the postoperative recurrence risk is reduced.

A single handheld medical device for performing endometrial curettage and / or HSG procedures is disclosed. [Solution] The device includes a body comprising a handle integrally connected to an arm having an articulated member at its distal end. The handle comprises means for storing and pumping fluid into the uterus and locating the articulated member within the uterus using ultrasound or X-rays. The arm further comprises a shielding device operable to slidably engage with the arm of the device, and the shield and arm are configured to cover and seal the external os of the cervix to prevent backflow during use. Optional display means are disclosed, which comprises an image screen that is mountably attached to the device and communicates with a scope positioned within the arm.

The utility model belongs to the technical field of uterine curettage devices, and particularly relates to a uterine curettage device which comprises a grab handle, a length adjusting mechanism is arranged on the left side of the grab handle, a curettage head mounting mechanism is arranged on the left side of the length adjusting mechanism, a curettage head is arranged on the left side of the curettage head mounting mechanism, and the curettage head is used for curettage operation in the uterus. The curettage head mounting mechanism is used for mounting and dismounting the curettage head, the length adjusting mechanism is used for adjusting the length of the uterine curettage device, the curettage head comprises a fixing ring, and the top of the fixing ring is fixedly connected with an elastic ring. According to the novel uterine curettage device, the curettage head is placed in a medicament with the effect of promoting tissue healing, the medicament is absorbed by the medicament placing sponge, the curettage head is controlled by the grab handle to extend into the uterus of a patient to perform curettage operation, and during curettage, the medicament placing sponge is extruded by the elastic ring, so that medicament factors in the medicament placing sponge are released, and the healing of the tissue at the curettage part is promoted; therefore, operative treatment and postoperative repair of the uterine curettage device can be carried out synchronously.

The invention discloses an automatic flushing type uterine curettage device for the gynecology department. The automatic flushing type uterine curettage device comprises a holding operation part, a uterine curettage assembly, a liquid supply device and a suction device. The uterine curettage assembly is connected with the first end of the holding operation part, and the uterine curettage assembly is used for curettage of endometrium or uterine cavity contents; the uterine curettage assembly is provided with a liquid outlet and a waste suction port; the waste suction port is positioned on a flushing path of the liquid outlet; the liquid supply device is connected with the uterine curettage assembly, and the liquid supply device is used for providing flushing liquid for the liquid outlet; the suction device is connected with the uterine curettage assembly and used for providing negative pressure suction force for the waste suction opening. According to the invention, the cleaning and waste suction processes are simplified, so that the operation efficiency is improved.

The utility model provides a curettage auxiliary instrument for an apical operation. The curettage auxiliary instrument comprises a clamping body and a working head. The clamping body comprises a first clamping arm and a second clamping arm, the number of the working heads is two, one end of each working head is provided with a neck part, the two working heads are connected with the first clamping arm and the second clamping arm through the neck parts respectively, the bending angle of the neck parts is 90-110 degrees, and scratching blades are arranged on the edges of the working heads. In the using process, fiberous granulation tissue can be removed through a clamping method, the fiberous granulation tissue is cut through the scratching blade on the edge of the working head by operating the clamping body, the clamping efficiency is better improved, the use is more flexible through the bending design of the neck, the surrounding tissue is not prone to being scratched, and the practicability is high. And the operation safety and efficiency are improved.

The utility model discloses a disposable inspection device, including a fixing ring, a fixing plate fixedly mounted on the outer surface of the fixing ring, an air bag fixedly mounted on the bottom of the corresponding side of the fixing plate, an air inlet pipe and an air outlet pipe fixedly mounted on the left and right sides of the upper surface of the air bag, respectively, an inflatable ball fixedly mounted on the left end of the inlet pipe, and a sealing plug plugged on the right end of the air outlet pipe. The utility model is used in conjunction with a fixing ring, a fixing plate, an air bag, an air inlet pipe, an air inlet pipe, a sealing plug, a fixing rod, a limiting tube, a curettage spoon, an extension rod, a sleeve, a damper, a baffle and an inflatable ball, and has the advantages of simple structure and easy operation. When in use, the air bag is expanded by the inflatable ball, so that the bottom of the fixing plate moves outward to expand the vagina. After scraping the endometrium or the uterine cavity occupying lesion, the curettage spoon can be shielded, so as to facilitate the removal of the scraped object and facilitate the use of medical staff.

The present application relates to the use and combination of Shenghua Xinggao and mifepristone in treating embryo residue after medical abortion. The use of Shenghua Xinggao and mifepristone in treating embryo residue after medical abortion can make the blood flow signal of residue disappear and HCG decrease rapidly, thereby greatly reducing the risk of surgical curettage for patients, and has important clinical value.

The present invention relates to the field of medical device technology, and in particular to an anti-blocking and anti-adhesion intrauterine balloon device. The device comprises a double-lumen catheter, wherein the upper end surface of the double-lumen catheter is wrapped with a balloon, the air cavity outlet end of the double-lumen catheter is connected to the inner cavity of the balloon, and the injection cavity outlet end of the double-lumen catheter is exposed on the outer surface of the balloon; a cervical dilator is sheathed on the surface of the double-lumen catheter, and the outer surface of one side of the double-lumen catheter is fixedly connected to the inner surface of the cervical dilator; the lower end of the cervical dilator is provided with multiple skirts along the circumferential direction, and the multiple skirts can overlap the surface of the double-lumen catheter to shield the lower end of the cervical dilator. The present invention can prevent adhesions in the uterine cavity after curettage by expanding the uterine cavity with a balloon; the present invention expands the cervical opening with the cervical dilator, and then seals the lower end of the cervical dilator with the skirt, preventing pathogens in the vagina from entering the uterine cavity. When blood clots flow out of the cervical dilator, the dilator can expand to allow normal excretion.

The utility model relates to a posture keeping device for a subgingival curettage device, belongs to the technical field of medical instruments, and solves the problems that the conventional posture keeping device needs to be fixed on the curettage device by screwing a plurality of bolts, the operation is complicated, and the use is inconvenient. The fixing device comprises a holding sleeve and a fixing device body, wherein the holding sleeve can be arranged on scraping devices of different specifications in a sleeving mode; and the fixer is mounted on the holding sleeve and is used for quickly and fixedly connecting the holding sleeve with the curettage devices with different specifications. The posture keeping device can be rapidly installed on the scraping treatment device or rapidly detached from the scraping treatment device through the fixing device, operation is easy, and the using portability of the posture keeping device is improved.

The utility model relates to the technical field of anal fistula treatment, in particular to an anal fistula internal opening exploration and fistula curettage stay wire suite, which is characterized in that a probe assembly is used for exploring a fistula and finding the internal opening of the fistula, then a thread hanging assembly is used for slowly cutting the fistula, and then drug treatment is carried out. Or the curettage assembly is used for treating the fistula in the fistula, so that the practicability of the suite is improved; comprising a scratching assembly. The device further comprises a probe assembly and a wire hanging assembly. The probe assembly is used for probing a fistula, the line hanging assembly is used for conducting line hanging treatment on the fistula, and the curettage assembly is used for conducting curettage treatment on the fistula.

The invention discloses an electric periodontal curettage device with a resistance sensing function and a control system of the electric periodontal curettage device, and relates to the technical field of periodontal disease treatment instruments. The electric periodontal curettage device with the resistance sensing function and the control system of the electric periodontal curettage device with the resistance sensing function comprise a host, a curettage mobile phone and a foot switch, one side of the host is connected with the curettage mobile phone through a power line, and the other side of the host is connected with the foot switch through a power line. Resistance change of the working head in the periodontal scaling process is sensed in real time through the vibration sensor, vibration spectrum and current fluctuation are analyzed in combination with an intelligent algorithm in the host, a tartar attachment area and a healthy tooth root face are accurately recognized, tooth damage caused by excessive scaling is avoided, local illumination is provided by the LED lamp beads, the operation view definition is improved, and the working efficiency is improved. And personalized treatment requirements are met by matching with a replaceable working head. The system displays the sensing information on a display screen in real time to assist doctors in mastering the treatment progress, so that the operation safety and efficiency are improved.

The present invention relates to the technical field of medical instruments, in particular to an anti-blocking and anti-adhesion intrauterine balloon device. The anti-blocking and anti-adhesion intrauterine balloon device comprises a dual lumen cannula, a balloon is wrapped on the surface of the upper end of the dual lumen cannula, an air outlet end of an air cavity of the dual lumen cannula is communicated with an inner cavity of the balloon, and a liquid outlet end of an injection cavity of the dual lumen cannula is exposed out of the outer surface of the balloon; a cervical dilatation tube is sleeved on the surface of the dual lumen cannula, and the outer surface of one side of the dual lumen cannula is fixedly connected to the inner surface of the cervical dilatation tube; and the lower end of the cervical dilatation tube is circumferentially provided with a plurality of skirt edges that can be connected to the surface of the dual lumen cannula to shield the lower end of the cervical dilatation tube. The present invention can prevent adhesion of the uterine cavity after dilatation and curettage by dilating the uterine cavity by means of the balloon; and according to the prevent invention, the cervical dilatation tube widens the cervix, and then the lower end of the cervical dilatation tube is sealed by means of the skirt edges, thereby preventing pathogens in the vagina from entering the uterine cavity, and when blood clots flow out of the cervical dilatation tube, the cervix can be widened for normal excretion.

The present invention discloses a gynecological and obstetric curettage, comprising a gripping rod and a scraping head, wherein the gripping rod has a proximal end and a distal end; the scraping head comprises a base and a plurality of scraping strips, wherein the base is connected to the proximal end of the gripping rod, and the plurality of scraping strips are arranged on the base at circumferential intervals around the axis of the gripping rod, and a central cavity is defined between the plurality of scraping strips, and a gap communicating with the central cavity is defined between two adjacent scraping strips; each scraping strip extends along the axis of the gripping rod in a direction away from the distal end, and the middle portion of each scraping strip protrudes radially outward from the gripping rod. The gynecological and obstetric curettage provided by the embodiment of the present invention is easy and convenient to operate and has high curettage efficiency.

The present application provides a 3D printing multi-site jaw cyst endoscope-assisted surgical curettage teaching model, comprising: a jaw cyst 3D model generation module for generating a jaw cyst 3D model based on CT examination data of a patient with cysts in multiple sites of the jaw; a surgical curettage teaching model generation module for designing and printing the jaw cyst 3D model to generate a surgical curettage teaching model; and a surgical curettage teaching model application module for performing endoscope-assisted surgical curettage teaching based on the surgical curettage teaching model. The present application uses patient CT examination data to design and print a surgical curettage teaching model for oral and maxillofacial surgery endoscope-assisted jaw cyst curettage teaching training, which can effectively shorten the pre-training time of doctors, improve the learning and training efficiency, and facilitate relevant medical staff to quickly master relevant technologies and apply them to clinical practice.

The utility model relates to a uterine cavity tissue suction component, comprising an inner and outer sleeve-connected suction tube and a scraper, the head of the suction tube is provided with a suction hole through which the scraper head can extend, the scraper head is provided with a cleaning part, and the scraper is provided with a guide structure connected with the cleaning part. Compared with the prior art, the utility model has the following beneficial effects: the scraper and the suction tube are combined into one component, and the scraping and suction are used simultaneously in the uterine curettage operation, and the scraped uterine cavity tissue is sucked and collected in time, thereby improving the cleaning efficiency of the uterine cavity; a guide structure is provided to guide the scraped uterine cavity tissue to the inside of the suction tube, thereby leaving space at the scraper head, so that the scraper can continue to perform the uterine curettage operation.

The utility model relates to the technical field of auxiliary devices of periodontal curettage devices, and discloses an auxiliary sharpening device of a periodontal curettage device, which comprises a base, a cavity is arranged in the base, two motors are arranged in the cavity, the top ends of the motors are fixedly connected with a polishing mechanism, the polishing mechanism comprises gears A fixedly connected to the top ends of the motors, and the gears A are fixedly connected to the top ends of the motors. The side edge of the gear A is meshed with a gear A. The top of the gear A and the top of the gear B are fixedly connected with a rough grinding column. According to the auxiliary sharpening device of the periodontal curettage device, through the arrangement of the grinding mechanism, when a tool is fixed for grinding, motors on the two sides are turned on, the two sides of the tool can be ground at the same time, or only one motor can be turned on to grind one side, and the motor is started to drive a gear on the upper portion to rotate, so that a gear on the other side is driven to rotate in a meshed mode; and the gear rotates to drive the polishing column above to rotate in two directions to start polishing work, the effect of polishing the two sides at the same time or polishing the single side is achieved, and the polishing efficiency is improved.

The utility model discloses a uterus curette with a folding function, which belongs to the technical field of medical instruments and comprises an operating handle, a fixed transverse plate is fixedly mounted on the left side surface of the operating handle, a folding hinge is fixedly mounted on the left side of the fixed transverse plate, a folding transverse plate is fixedly mounted on the upper surface of the folding hinge, and the folding transverse plate is fixedly mounted on the upper surface of the folding hinge. A curette spoon is fixedly installed on the left side face of the folding transverse plate, and an elastic positioning device is fixedly installed on the upper surface of the fixing transverse plate. According to the uterus curette with the folding function, a U-shaped operating rod and an extending transverse column are arranged to drive an inserting transverse column to be inserted into a fixing block to achieve clamping and fixing operation on a folding hinge and a folding transverse plate, so that the folding transverse plate is easy and convenient to unfold and fold, medical staff only need to slide the U-shaped operating rod, and the folding operation is convenient. The folding transverse plate can be easily unfolded and folded by arranging the folding transverse plate, time and energy can be saved when an operation is prepared and instruments are tidied after the operation is finished, and better use is facilitated.

The utility model relates to the technical field of medical instruments, in particular to a curettage device which comprises a handle and a working tip. The working tip is movably arranged at the front end of the handle, a pressure sensor used for monitoring scraping pressure is arranged between the working tip and the handle, and the pressure sensor is in signal connection with a terminal. The pressure sensor is arranged on the handle of the curettage device, the pressure sensor can monitor the strength exerted on the periodontium of a patient by medical staff when the curettage device is used, the strength information is transmitted to the terminal to be displayed outwards, the medical staff can know the curettage strength through the strength information displayed on the terminal, and the curettage effect is improved. And the scraping force can be adjusted or kept through the force information displayed on the terminal, so that the safety and accuracy of periodontal treatment are ensured.

The utility model provides a percutaneous guide plate for early femoral head necrosis scraping bone grafting, and relates to the technical field of medical instruments, the percutaneous guide plate comprises: a panel attached to a hip joint part of a human body; the panel comprises a front edge and a lower edge, the front edge is attached to the anterior superior spine, and the lower edge is attached to the thighbone greater trochanter; the connecting rod is used for guiding the puncturing tool; the guide needle can penetrate through the puncture channel; the two ends of the connecting rod are fixedly connected with the panel and the connecting rod respectively. The percutaneous guide plate for the early femoral head necrosis scraping bone grafting operation is simple in structure, easy to operate and high in stability, the correction function of the percutaneous guide plate can be achieved through sliding of the sliding piece in the sliding groove, lateral loads in the bending process are effectively eliminated, errors caused by lateral force are avoided, and the percutaneous guide plate is suitable for the early femoral head necrosis scraping bone grafting operation. And the accuracy and the reliability of a test result are ensured.

The utility model discloses an animal uterine cavity adhesion model curettage device relates to medical instrument technical field, and its technical key points include the shell, the inside of shell is provided with the accommodating groove, the inner wall fixed mounting of accommodating groove who opens in the shell is provided with low speed motor, the output fixed mounting of low speed motor has the transmission shaft, the one end of transmission shaft away from low speed motor is penetrated to the shell outside and is fixedly connected with the pivot, the one side of pivot is provided with the connecting groove. Technical effect is drill bit to be bullet head design, is favorable to the expansion of animal uterus and is convenient to guide whole twist drill to enter the uterus inside, and the drill body is the screw thread structure design, and the drill body of screw thread structure design can effectively scrape the endometrium when rotating, and its structure is not the sharp blade design, and will not cause the cutting of uterine tissue, the puncture damage such as, and drill can be screwed and connected in the connecting groove inside, and screw connection can be convenient to dismantle to drill in the later period.

This document relates to a cleaning device for curettage, such as removal of biofilm, inflamed granulation tissue and / or inflamed crevicular epithelium, of a surface, such as a bone, implant and / or tooth root surface. The cleaning device has cleaning means that comprises or consists of magnesium and / or a magnesium alloy which is hard enough to allow for curettage. Further, when the cleaning device is used, the magnesium and / or magnesium alloy detaches from the cleaning device and deposit on the cleaned surface thereby providing a positive biological effect in addition to the cleaning action, such as e.g. increased wound and / or bone healing, and / or reduced inflammation.

This invention discloses a novel use of M1 (Leonurus glucuronide, ZYZ-488), the main glucuronide conjugate metabolite of leonurine, in the preparation of drugs for preventing and treating endometrial damage and / or intrauterine adhesions caused by mechanical curettage. M1 promotes endometrial regeneration, remodeling, and restoration of endocrine function by increasing serum prostaglandin E2 (PGE2) and / or leukemia inhibitory factor (LIF) levels, while simultaneously restoring serum estradiol (E2) and / or progesterone (P4) levels to normal physiological ranges. It also significantly increases endometrial thickness, the number and regular arrangement of glands, improves stroma density, and enhances tissue morphology remodeling. This invention overcomes the technical bias that Phase II metabolites are typically considered inactivated forms, as well as the thrombotic risks of existing estrogen drugs (EVs) and the strong irritation and insufficient long-term protection of the parent compound SCM-198. It provides a safe, mild, stable, and suitable oral formulation for long-term use, offering a novel and effective drug option for the prevention and treatment of clinical endometrial damage and intrauterine adhesions.

The uterine curettage device comprises a handle, and the front end of the handle is fixedly connected with a bendable hollow catheter; a first sliding tube is arranged at the far end of the hollow catheter in a sliding mode, a second sliding tube is arranged at the rear end of the handle in a sliding mode, the first sliding tube is provided with two first rotating tubes in a penetrating and rotating mode, the second sliding tube is provided with two second rotating tubes in a penetrating and rotating mode, and steel wires fixedly penetrate through the two first rotating tubes and the two second rotating tubes at the same time. A position adjusting device and a rotary adjusting device are integrated on the handle, the position adjusting device is used for adjusting the positions of the first sliding pipe and the second sliding pipe, and the rotary adjusting device is used for driving the steel wire to rotate; a negative pressure channel pipe is arranged in the hollow guide pipe and is externally connected with a negative pressure generator; a scraping head is defined by the steel wires exposed out of the hollow catheter, the scraping head is located at the far end of the hollow catheter, and a plurality of arc-shaped scraping blades are distributed on the inner surface of the scraping head at equal intervals.

The utility model discloses a flat head curettage and aspiration device for laparoscope, and particularly relates to the technical field of medical instruments, the curettage and aspiration device comprises a curettage and aspiration head and a rod body, the curettage and aspiration head is fixedly connected to one end of the rod body, the rod body is internally provided with an aspiration channel penetrating through the two ends, the curettage and aspiration head is internally provided with a high-efficiency aspiration cavity communicated with the aspiration channel, and the rod body is internally provided with a suction cavity. The interior of a suction tube installed at the end, away from the scraping and sucking head, of the rod body is communicated with the suction channel, the scraping and sucking head is flat, the width of the scraping and sucking head is not smaller than the diameter of the rod body, the thickness of the scraping and sucking head is not larger than the diameter of the rod body, and the rod body is cylindrical. According to the utility model, the flat and sharp scraping and sucking head is utilized to achieve the effects of scraping, sucking and stripping tissues; the device is also suitable for scraping, sucking and removing vomica, rotten tissues and rough surfaces; and by arranging various efficient suction cavities, the requirements of various curettage and waste suction can be met, infected focuses or tumor tissues can be efficiently removed, and postoperative recurrence is reduced.

The utility model relates to the field of medical instruments, in particular to a curettage model, which comprises a uterus model and is characterized in that a plurality of simulated blood vessels are arranged on the uterus model, one end of each simulated blood vessel is connected with a simulated blood storage device, and the other end of each simulated blood vessel is positioned on the inner wall of the uterus model and communicated with the inside of the uterus model. The other end is provided with a blood vessel closing mechanism, the blood vessel closing mechanism opens and closes a simulated blood vessel opening in a sliding connection mode, and each blood vessel closing mechanism is detachably provided with a content model; the uterus model is provided with a vaginal orifice, the uterus model is detachably provided with a curettage tool used for curettage of the content model from the inner wall of the uterus model, and the curettage tool is movably connected with the uterus model; and a curettage head of the curettage tool extends into the uterus model through the vaginal orifice under the action of the operating rod. The curettage model can simulate curettage training in a bleeding state, and curettage simulation training is more close to actual conditions.