49 results about "Hysteroscopic surgery" patented technology

The present invention provides a system and a method for distending a body tissue cavity of a subject by continuous flow irrigation such that minimal or negligible fluid turbulence is present inside the cavity, such that any desired cavity pressure can be created and maintained for any desired outflow rate. The present invention also provides a method for accurately determining the rate of fluid loss, into the subject's body system, during any endoscopic procedure without utilizing any deficit weight or fluid volume calculation or flow rate sensor. The system and the methods of the present invention described above can be used in any endoscopic procedure requiring continuous flow irrigation few examples of such endoscopic procedures being hysteroscopic surgery, arthroscopic surgery, trans uretheral surgery, endoscopic surgery of the brain and endoscopic surgery of the spine.

A high-power ultrasound heating applicator for minimally-invasive thermal treatment of uterine fibroids or myomas. High-intensity interstitial ultrasound, applied with minimally-invasive laparoscopic or hysteroscopic procedures, is used to effectively treat fibroids within the myometrium in lieu of major surgery. The applicators are configured with high-power capabilities and thermal penetration to treat large volumes of fibroid tissue (>70 cm³) in short treatment times (3-20 minutes), while maintaining three-dimensional control of energy delivery to thermally destroy the target volume.

The present invention provides a system and a method for distending a body tissue cavity of a subject by continuous flow irrigation by using two positive displacement pumps, such as peristaltic pumps, one pump on the inflow side and another pump on the outflow side, such that the amplitude of the pressure pulsations created by a the said positive displacement pumps inside the tissue cavity is substantially dampened to almost negligible levels. The present invention also provides a method of reducing the frequency of the said pressure pulsations. The present invention also provides a method for accurately determining the rate of fluid loss, into the subject's body system, during any endoscopic procedure without utilizing any deficit weight or fluid volume calculation, the same being accomplished by using two fluid flow rate sensors. The present invention also provides a system of creating and maintaining any desired pressure in a body tissue cavity for any desired cavity outflow rate. The system and the methods of the present invention described above can be used in any endoscopic procedure requiring continuous flow irrigation few examples of such endoscopic procedures being hysteroscopic surgery, arthroscopic surgery, trans uretheral surgery, endoscopic surgery of the brain and endoscopic surgery of the spine.

The present invention provides a system and a method for distending a body tissue cavity of a subject by continuous flow irrigation by using a dynamic pump, such as a centrifugal pump, on the inflow side and a positive displacement pump, such as a peristaltic pump, on the outflow side, such that the amplitude of the pressure pulsations created by a the said outflow positive displacement pump inside the said tissue cavity is substantially dampened to almost negligible levels. The present invention also provides a method for accurately determining the rate of fluid loss, into the subject's body system, during any endoscopic procedure without utilizing any deficit weight or fluid volume calculation, the same being accomplished by using two fluid flow rate sensors. The present invention also provides a system of creating and maintaining any desired pressure in a body tissue cavity for any desired cavity outflow rate. The system and the methods of the present invention described above can be used in any endoscopic procedure requiring continuous flow irrigation few examples of such endoscopic procedures being hysteroscopic surgery, arthroscopic surgery, trans uretheral surgery, endoscopic surgery of the brain and endoscopic surgery of the spine.

The invention relates to a preparation method and application of collagen scaffold composite bone marrow-derived mesenchymal stem cells (BMSCs). The preparation method comprises the steps of preparing single cell suspension after trypsinizing the BMSCs, uniformly dropwise adding the single cell suspension to a collagen scaffold, putting the collagen scaffold into an incubator to be cultured, and adding an L-DMEM complete medium to continue culture, thus obtaining the collagen scaffold composite BMSCs. The preparation method has the advantages that the following defects are overcome: endometria are seriously injured as intrauterine adhesion is mechanically separated by adopting hysteroscopic surgery, intrauterine devices or anti-adhesion materials are put after the surgery and estrogens are given after the surgery to promote intima growth; the problem of intima scars can not be solved; functional intima repair can not be achieved; adhesion is very easy to happen again. As active ingredients for treating serious endometrium injury, the BMSCs are convenient to obtain, secrete growth factors to improve the local microenvironment and immunoregulation, have good biocompatibility, degradability and safety, promote scarred endometrium repair and increase the intima thickness and local blood vessel density.

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.

The invention belongs to the field of medical apparatus, and particularly relates to a diagnosis and treatment integrated confocal hysteroscope system. A hard endoscope end part of a hard hysteroscope is provided with a treatment device; and a treatment system host, which is correspondingly used in conjunction with the treatment device, is connected to the hard hysteroscope. Particularly, the diagnosis and treatment integrated confocal hysteroscope system organically combines the hard hysteroscope, a confocal laser scanning microscope and a laser knife system or the hard hysteroscope, the confocal laser scanning microscope and a microwave knife system. Through the clinical application of the diagnosis and treatment integrated confocal hysteroscope system, the effect of performing diagnosis and treatment at the same time can be achieved, an optical system and a confocal laser scanning microscopic system can be used for observing the macroscopic condition and microscopic structures of a uterine cavity wall and pathologic changes in a uterine cavity respectively, and the laser knife system or the microwave knife system can perform laser treatment or microwave treatment on the pathologic changes under the direct vision of a monitor. By suing the diagnosis and treatment integrated confocal hysteroscope system to perform a hysteroscope operation, the problems in the diagnosis and the treatment of a patient can be solved, the frequent replacement of the endoscope can be avoided, a great deal of operation time can be saved, the paint of the patient can be alleviated, and the accuracy and the safety of the operation can be further improved.

The invention relates to the preparation of acellular amniotic membrane carrier combined autologous endometrial stem cells. The isolating culture of autologous endometrial stem cells, the preparationand preservation of acellular amniotic membrane carriers and the preparation of acellular amniotic membrane carrier combined autologous endometrial stem cells are specifically included. The disadvantages of the occurrence of mechanical separation of intrauterine adhesions of hysteroscopic surgery in patients with moderate to severe intrauterine adhesions, the placing of intrauterine devices or anti-adhesion materials after operations, the endometrial functional repair which cannot be realized by giving estrogen to promote endometrial growth after the operations and the easy occurrence of re-adhesion can be overcome. The acellular amniotic membrane carriers have good anti-adhesion abilities, biocompatibility, biodegradability and safety; and as the autologous endometrial stem cells are taken as the active ingredients which can treat severe endometrial injury, growth factors can be secreted to improve local microenvironment and immunoregulation, so that the repair of damaged endometriumcan be promoted, and endometrial thickness and local vascular density can be increased.

The invention discloses an operating forceps for hysteroscopic surgery, which comprises a forceps handle, a clamp head is arranged at the front end of the forceps handle, two forceps handles intersect and are hinged together, the clamp head is in the shape of a plate, and the tail of the forceps handle is The operating handle of the pliers extends outward, and the middle and rear sections of the two pliers handles overlap each other. Using the operating forceps for hysteroscopic surgery according to the present invention, the chuck is in the shape of a plate, which increases the holding area and increases the stability in the holding process; the operating handle at the tail of the handle extends outwards, and the two handles The middle and back sections of the uterus overlap each other, and the operating forceps are easy to open after entering the uterine cavity, which is convenient for uterine cavity operation.

The invention relates to a minimally invasive hysteroscope which is a uterus-expansion-free hysteroscope with an operative instrument passage convenient for operation. The minimally invasive hysteroscope is designed to avoid uterus expansion and facilitate doctors' operation when a hysteroscope operation is performed. Thus, the minimally invasive hysteroscope is characterized in that a special tube, namely a teardrop-shaped catheter sheath, serves as an outer catheter sheath, and the instrument passage is connected with an instrument valve through an arc transition passage.

The invention discloses a hard microwave hysteroscope system, which belongs to the field of medicinal apparatus. The hard microwave hysteroscope system comprises a hard hysteroscope, and a cold light source host, a camera host and a monitor which are connected with the hard hysteroscope, wherein the hard hysteroscope is provided with a microwave-knife operation device for cooperating treatment and a microwave-knife system host which is used together with the microwave-knife operation device. According to the relationship between the microwave-knife operation device and the hard hysteroscope, the hard microwave hysteroscope system of the invention can be divided into two types, namely, a separated hard microwave hysteroscope system and an integrated hard microwave hysteroscope system. Because a microwave probe is a novel medical device for treating various diseases through local heating by using microwave energies, the microwave probe is wide in application scope, distinct in curative effect and safe and has no side effect. By introducing advanced microwave technology into the hysteroscopy operation, and using the advantages of the microwave technology for cooperating with the hysteroscopy operation to achieve the purpose of superposition of the diagnosis function of the hysteroscope and the treatment function of the microwave, the hard microwave hysteroscope system can increase the cure rate and accuracy of an operation so as to achieve the purpose of reducing the recurrence rate, improve medical quality and medical security, overcome the shortage of the conventional uterine diseases diagnosis and operation, and achieve unexpected effects.

The invention relates to a high-brightness LED (Light Emitting Diode) cold light source device, which is mainly suitable for laparoscopic surgery or hysteroscopy of a human body. The device is characterized in that: an LED lamp comprises an LED substrate, an LED luminous body, a luminous body protection plate, a power supply guide plate, an LED power supply joint and an insulator, wherein the LED luminous body, the luminous body protection plate, the power supply guide plate, the LED power supply joint and the insulator are positioned on the same side of the LED substrate, and are encapsulated with the LED substrate together to form an integrally-formed LED lamp; the luminous body protection plate including the LED luminous body is directly adjacent to a heat insulator; a light hole main body, the heat insulator, the luminous body protection plate and the LED luminous body are arrayed in sequence; the luminous body protection plate is close to the LED luminous body; and the LED luminous body corresponds to a light hole channel. The device has a reasonable, simple and compact structural design, is convenient, reliable and safe to use and install and has low manufacturing cost, high illumination, good radiating and surgery effects, a long service life, small heat productivity and a better comprehensive effect.

The invention discloses a fully-closed flexible connector for hysteroscope operation. The fully-closed flexible connector comprises a horn-mouth-shaped bag, a liquid injection pipe, a sleeve, a main sleeve and at least one branch sleeve. One end of the sleeve is connected with an inner hole of the horn-mouth-shaped bag, and the other end of the sleeve is connected with the main sleeve and the branch sleeves. The ends of the main sleeve and the branch sleeves are each provided with a check valve, and the main sleeve and the branch sleeves are provided with three-way valves. The liquid injection pipe is arranged on the portion, close to the sleeve, of the horn-mouth-shaped bag and penetrates through and extends out of the sleeve. The liquid injection pipe is provided with a liquid injection valve. Liquid is injected into the horn-mouth-shaped bag through the liquid injection valve and the liquid injection pipe so that a supporting frame can be formed with the horn-mouth-shaped bag. The connector can not easily slide out of cervix uteri and can not occupy excessively large space in uterine cavity, so the wideness and smoothness of a pipeline in a ring are ensured; a user puts in a hysteroscope for observation through the main sleeve and puts in surgical instruments through the branch sleeves, interference is small, and surgical operation is easy.

The invention relates to an animal heart simulated uterus with a pressing device. The simulated uterus comprises the pressing device and a uterus primary model; the pressing device comprises an upperdie and a lower die. The uterus primary model is made of an animal heart. The uterus primary mold is of a cavity structure with an opening in the lower end, the outer wall of the uterus primary mold is attached to the inner wall of the pressing device, a uterine opening is formed in one end of the uterus primary mold, uterine horns are arranged on the portion, attached to the upper opening, of theuterus primary mold, the uterus primary mold between the two uterine horns is a uterine bottom, and a cervix uteri and a uterus body are sequentially arranged at a part, from the uterine opening to the uterine horns, of the uterus primary mold. The method for preparing the simulated uterus at least comprises the steps: selecting a biological tissue material, pretreating, putting the biological tissue material into the pressing device, cutting off redundant animal heart muscles except the pressing device, and folding the upper die and the lower die. By preparing the animal heart simulated uterus, an anatomical model of the simulated uterus is constructed, meanwhile, the simulated uterus can bear certain uterine distension pressure during hysteroscopic surgery, and normal operation of the simulated hysteroscopic surgery is guaranteed.

The invention discloses a disposable overflow resisting surgery bedspread used in a uteroscope surgery. The disposable overflow resisting surgery bedspread is characterized by comprising a high-waist trousers body allowing a patient to wear, formed by a water-repellent front piece and a water-repellent rear piece, wherein an operating opening allowing surgery instruments to enter and exit is formed in a position corresponding to the perineum part of the lithotomy position human body, in the front piece of the trousers body; an overflow opening is formed in a position corresponding to the sacrococcygeal part of the lithotomy position human body, at the rear piece of the trousers body; and a drainage bag marked with graduation is connected to the overflow opening. The disposable overflow resisting surgery bedspread disclosed by the invention has the advantages that an irrigating solution discharged in the uteroscope surgery process can be collected, so that medical personnel can accurately judge whether the solution outlet capacity of the irrigating solution is normal or not, and the generation of the situation that the solution outlet capacity is wrongly estimated, and the patient suffers from complications is avoided; and the irrigating solution discharged in the uteroscope surgery process can be collected, so that the situation that the irrigating solution overflows to an surgery room is effectively avoided, sterile construction of the surgery room is facilitated, and the hospital infection opportunity of the patient subjected to the surgery is reduced.

The invention relates to operating anti-sticking film clamp forceps which comprise a handheld portion, a forceps rod and a clamping portion. The clamping portion comprises at least four forceps clipscapable of being opened and closed, and each forceps clip is hinged to an end of the forceps rod. The operating anti-sticking film clamp forceps have the advantages that the clamping portion is provided with the forceps clips capable of being opened and closed, each forceps clip is hinged to the end of the forceps rod, the forceps clips can be opened and closed, accordingly, existing anti-stickingfilms can be effectively clamped by the forceps clips, and the shortcomings of inconvenience in operation, time and energy waste and low efficiency due to the fact that an existing anti-sticking filmonly can be placed and spread by the aid of more than two existing clamp forceps can be overcome by the aid of the operating anti-sticking film clamp forceps; the forceps clips can be opened and closed, accordingly, the anti-sticking films can be conveniently and quickly folded and curled and further can be smoothly spread to operative sites, the operating anti-sticking film clamp forceps are convenient to operate and particularly applicable to hysteroscopic operation or laparoscopic operation, the time and worry can be saved, and the operative efficiency can be improved.

The invention relates to a bioactive scaffold for repairing endometrium and improving fertility. The scaffold comprises a substrate and bioactive factors contained by the substrate. Endogenous stem cells are recruited and captured by bioactive factors. The stem cells have pluripotency and play a role in immune regulation and control on a wound surface, thereby effectively promoting endometrial repairing and remarkably increasing the fertility rate. According to the invention, the endogenous stem cell homing means integrated with collection and capturing is employed to repair the damaged endometrium so as to solve problems of intrauterine adhesion, reduced fertility rate and the like caused by a hysteroscope operation, thereby eliminating the potential safety hazards caused by usage of exogenous cells in the traditional repair material. The adopted raw materials have high biocompatibility; the preparation process is simple; exogenous cells are not contained; and the biological safety ishigh.

The invention discloses a novel hysteroscope. The novel hysteroscope comprises a hysteroscope body, a hysteroscope sheath, a liquid outlet, a liquid inlet and an operation channel device, wherein thehysteroscope body, the liquid outlet, the liquid inlet and the operation channel device are arranged on the hysteroscope sheath; the operation channel device comprises a channel body, an upper end cover, a waterproof cap and a waterproof flap, wherein one end of the channel body communicates with the hysteroscope sheath, the other end of the channel body is connected with the upper end cover witha middle through hole, the waterproof flap and the waterproof cap are arranged in the channel body and the upper end cover, the waterproof flap and the waterproof cap are both hollow, the lower end ofthe waterproof flap is composed of at least two flap films, the upper end of the waterproof flap is inserted into the lower end of the waterproof cap, and the outer diameter of the waterproof cap isequal to the inner diameter of the channel body in dimension. According to the novel hysteroscope, in hysteroscope surgery, when a surgical instrument extends into the uterine cavity or is taken out,a valve can be opened or closed without auxiliary of others, a uterine distending medium can also be prevented from squirting out from an operation hole during surgery, in this way, the operation steps in the surgery are simplified, constancy of the uterine distending pressure is further ensured, and the success rate of the hysteroscope surgery is increased.

The invention discloses a combined body of a speculum for a hysteroscopic surgery and an ultrasonic probe. The combined body comprises the speculum and the ultrasonic probe, an ultrasonic probe handle adheres to a speculum lower blade in various forms, and the combining methods includes clamping, magnetic attraction, limiting, embedding and the like. The invention further provides an application method of the structural body in a hysteroscopic surgery. The method comprises the following steps: coating the ultrasonic probe with a coupling agent and sleeving the ultrasonic probe with an isolation sleeve, extending the combined body into the uterine cavity of a patient, determining the shape and position of the target tissue, and arranging the surgical speculum into the uterine cavity and turning on the speculum; arranging the acoustic head part of the ultrasonic probe at the front end of the lower sheet of the surgical speculum, arranging the acoustic head part of the ultrasonic probe at the fornix position of the uterus of the patient, combining the ultrasonic probe and the surgical speculum for use, extending a hysteroscope into the uterus of the patient, and conducting surgical operation under the guidance of a hysteroscope optical image and an ultrasonic image of a monitoring system. The combined body of the speculum for the hysteroscopic surgery and the ultrasonic probe effectively achieves internal and external synchronous surgical monitoring of an internal ultrasonic image and external optical imaging in real time on the target tissue of the surgery, an image is clear and reliable, surgical safety is ensured, and surgical risks are effectively avoided.

Provided is aclosed constant pressure controlled hysteroscopic surgery waterproof poisoning auxiliary device. The device comprises a surgical sleeve, a waterproof plug, a plug conveying device and a sealed closed jaw, the outer wall of the upper end of the surgical sleeve is fixed to a water pressure sensor, the water pressure sensor is connected to a water pressure controller through a first waterproof wire, the water pressure controller controls an electromagnetic valve through a second waterproof wire, a water injection port is formed in the outer side of the lower end of the surgical sleeve, a medicine injection port is formed in the outer side of the lower end of the surgical sleeve, the inner side of the lower end of the surgicalsleeve is provided with a rubber, the inner side of therubber is fixedly connected with a device passage penetrating through the surgical sleeve, a first water pipe is arranged in the water injection port, the first water pipe is connected to a water outlet of the electromagnetic valve, a water inlet of the electromagnetic valve is connected to the second water pipe, the second water pipe is connected to a water pump, a placing slot is formed in theupper end plane of the plug conveying device, a handle slot is formed in the center of the bottom end of the pacing slot, and the center of the bottom end of the handle slot is provided with a connecting passage.