228 results about "Pelvic cavity" patented technology

The invention relates to a surgical instrument and a method for treating female urinary incontinence. A tape or mesh is permanently implanted into the body as a support for the urethra. In one embodiment, portions of the tape comprise tissue growth factors and adhesive bonding means for attaching portions of the tape to the pubic bone. In a further embodiment, portions of the tape comprise attachment means for fastening portions of the tape to fascia within the pelvic cavity. In both embodiments the tape is implanted with a single incision through the vaginal wall.

The invention relates to a surgical instrument and a method for treating female urinary incontinence. A tape or mesh is permanently implanted into the body as a support for the urethra. In one embodiment, portions of the tape comprise tissue growth factors and adhesive bonding means for attaching portions of the tape to the pubic bone. In a further embodiment, portions of the tape comprise attachment means for fastening portions of the tape to fascia within the pelvic cavity. In both embodiments the tape is implanted with a single incision through the vaginal wall.

Methods and devices for treating female stress urinary incontinence are disclosed. The methods include transvaginally accessing the pelvic cavity and introducing a suburethral sling into the retropubic space. In some embodiments the ends of the sling are attached to an anatomical support structure. In other embodiments, the ends of the suburethral sling are not attached to an anatomical support structure. The devices include a surgical instrument for blunt dissection of the pelvic cavity which includes a curved shaft and a blunt distal end. A hook deployment device may optionally be attached to the surgical instrument.

Apparatus is provided that provides a ring of light around a junction to be viewed; the ring of light being bright enough to be seen on the other side of the junction. Such an arrangement may be used in severing an anatomic body, such as the cervix, from the vagina whereby a surgeon viewing the structure from the pelvic cavity has the junction outlined in light brought into contact with the junction through the vagina.

A urethra support having an elongated mesh tape portion and a mesh extension affixed to the tape portion transverse thereto. In accordance with a method of the invention, the urethra support is inserted into the lower pelvic cavity of a patient with the tape portion forming a sling extending beneath and supporting the urethra of the patient. In this position, the tape portion is generally perpendicular to the urethra. The extension is inserted into the peri-urethral fascia along at least a portion of the length of the urethra. This induces the formation of scar tissue proximate the extension, with the scar tissue eventually contracting thereby compressing the urethra.

A power morcellation system, apparatus, and methodology. Structurally, the device includes a sturdy, pliable (e.g., able to be inserted and retracted through a 10-15 mm morcellator port), distensible, waterproof / watertight retaining bag / pouch / carrier to be deployed into the pelvic cavity of the subject. The device further includes a plurality (e.g., three (3)) of port tube channels extending outwardly from the bag, wherein the interior of each channel is in communication with the interior of the bag. Each channel has an open end (opposite from the end that terminates in the bag) through which a laparoscopic / robotic camera and other instruments (e.g., camera, control instrument) may pass. A smaller tube channel also extends outwardly from the bag and can be suited as an insufflation port channel, among other uses. The bag also includes a large opening surrounded by an elastic drawstring for receiving the specimen to be removed within the bag.

A medical imaging device enables observation within the abdominal and pelvic cavity at a wide field of view and enables medical procedures to be carried out within the wide field of view. The medical imaging device includes a central assembly and a sterile disposable cover, which is slipped over the central assembly. The central assembly has a proximal portion, which remains outside of the abdominal cavity of the patient, and a distal portion, which is inserted into the abdominal cavity through a slit made in the abdominal wall by the surgeon. A first plurality of light emitting diodes is circumferentially distributed around the outer surface of the central assembly near the top of the distal portion and a reversibly inflatable balloon is circumferentially attached to the cover at the location of the first plurality of diodes. When the balloon is inflated and the first array of light emitting diodes is activated to produce light, then the light enters the interior of the balloon, is repeatedly reflected from the inner walls of the balloon until it eventually passes through the wall of the balloon at random angles thereby illuminating the entire interior of the abdominal and pelvic cavities. Also, a system includes the medical imaging device, an observation unit comprising a controller, a processor, and display; and a communicator between the medical imaging device and the observation unit.

The invention provides a novel anti-tissue-adhesion material and a preparation method thereof. Used raw materials are from natural polysaccharides and modified natural polysaccharides; the use of micromolecular cross linking agents is avoided; and the excellent biosecurity is realized. A compound prepared from the natural polysaccharides and the modified natural polysaccharides through chemical reaction can be used for the anti-adhesion purpose in positions such as the pelvic cavity, the abdominal cavity, the achilles tendon and nerves. Meanwhile, the hemostatic, antibacterial and healing promotion functions are realized. The anti-adhesion material provided by the invention can be prepared into anti-adhesion sponge, anti-adhesion films and anti-adhesion gel through different process conditions; the surgical operation convenience is high; good clinic application prospects are realized.

The invention provides a simulation and analysis device for physiological processes of urine storage and emiction of the bladder, comprising an artificial bladder, an artificial urethra, a pelvic cavity sink, an extrusion device, a pressure device, a perfusion device, a urine recovery device, a pressure measuring device and a flow metering device. The artificial bladder is used for simulating thefeature that the bladder changes volume along with the liquid capacity and realizing the function of urine storage; the artificial urethra used as a channel for discharging liquid in the bladder; thepelvic cavity sink is used as the environment for containing organs of the bladder, and the like; the extrusion device is used for simulating extrusion caused by the peripheral organs of the bladder to the bladder; the pressure device is used for simulating the shrinkage of detrusor of the bladder so as to realize the function of emiction of the bladder; the perfusion device is used for accuratelymeasuring and displaying the liquid amount perfused to the bladder in real time; the urine recovery device is used as liquid reserve of liquid pumping of the perfusion device and for collecting the liquid discharged from the urethra so as to facilitate recycling; the pressure measuring device is used for measuring and displaying inner pressure of the bladder and the inner pressure of a pelvic cavity in real time; and the flow metering device is used for measuring and displaying the flow of the liquid passing through the urethra in real time. The invention can realize the physiological processes of urine storage and emiction of the artificial bladder, analyzes the physiological process by controlling and monitoring urine dynamical parameters of bladder volume.

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.

The invention discloses a self-help uterine manipulator of a laparoscope, which is convenient for a doctor to use, has simple operation and improves the work efficiency. The self-help uterine manipulator of the laparoscope comprises a base and an uterine manipulator, wherein the uterine manipulator is connected with the base and comprises a vertical rod, a main screw rod and an uterine manipulation screw rod; one end of the vertical rod is connected with the base, the other end of the vertical rod is connected with the main screw rod, the front end of the main screw rod is connected with the uterine manipulation screw rod by a universal rotating shaft, and an uterine neck plug or an uterine neck cup are sleeved on the uterine manipulation screw rod. Compared with the prior art, the invention has the advantages that the uterine manipulator is fixed on the uterus of a patient by adopting the base, the first screw rod and the second screw rod, the position of the uterus is moved to expose a visual field by regulating a fixing sleeve or a direction regulating rod, and the self-help uterine manipulator is beneficial to pelvic cavity, uterus or adnexa operation, is operated by a laparoscope holder of a laparoscope operation, is used for controlling the position of the uterus, has simple operation, is not needed to be controlled by specific persons, can save manpower and operation time and improve the work efficiency.

The invention provides an interactive type pelvic floor muscle recovering device in the technical field of medical instruments. The interactive type pelvic floor muscle recovering device comprises a myoelectricity collecting module, a muscle force collecting module, a stimulation treating module, a power circuit module, a reset circuit module and a serial communication module. The interactive type pelvic floor muscle recovering device is designed with a C2000DSP chip as the core and used for guiding a patient to correctly contract pelvic floor muscles and for independently restraining abnormal contracting of the detrusor of the bladder. The interactive type pelvic floor muscle recovering device plays a very important role in improving quality of postpartum life of women and preventing and treating postpartum uracratia, pelvic cavity viscera prolapsus and the like, can not only effectively diagnose functional disorders of the pelvic floor muscle, but also conduct rehabilitation, and has the advantages of being portable, low in power consumption and capable of conducting two-way stimulation and the like.

Methods and devices for treating female stress urinary incontinence are disclosed. The methods include transvaginally accessing the pelvic cavity and introducing a suburethral sling into the retropubic space. In some embodiments the ends of the sling are attached to an anatomical support structure. In other embodiments, the ends of the suburethral sling are not attached to an anatomical support structure. The devices include a surgical instrument for blunt dissection of the pelvic cavity which includes a curved shaft and a blunt distal end. A hook deployment device may optionally be attached to the surgical instrument.

The invention discloses an integrated system visualizing functional evaluation and rehabilitation training for levator ani muscle. A biological feedback signal of crissum muscle of a user is received by the integrated system through a bi-directional electrode plate and is transmitted to a mobile client after being analyzed by an information processing module. The user evaluates the contraction function of the levator ani muscle and selects whether release a corresponding low-frequency pulse current order or not through the mobile client according to the display of the mobile client. A rehabilitation training component can release the current after receiving the order, and the current acts on the crissum muscle through the bi-directional electrode plate, so that the integrated system is used for rehabilitation training of pelvic floor muscle for uroclepsia patients after prostate operations and pelvic cavity operations and functional rehabilitation training of the pelvic floor muscle for women after delivery, especially for the rehabilitation training of the pelvic floor muscle for women stress urinary inconvenience patients. The ingenuity of the integrated system for visualizing functional evaluation and rehabilitation training for the levator ani muscle is that the functional evaluation and rehabilitation training for the levator ani muscle are integrated through the mobile client, exercise of the levator ani muscle and a current stimulation are combined effectively, the universality is strong, and the use is convenient.

The invention mainly provides light source equipment used for treating vagina inflammatory diseases of the gynecology. The light source equipment comprises a shell, a multi-point band-shaped light source, a heat conduction pipe, an air inlet, an air outlet, a cooling device and a rear cover matched with the shell, wherein the multi-point band-shaped light source and the cooling device are arranged at the two ends of the heat conduction pipe, the multi-point band-shaped light source is located in the front transparent end of the shell, and the front transparent end is made to be in an intervention type and can be inserted into the vagina. The light source equipment is convenient for a patient to use, small in overall size and convenient to carry by the patient. In consideration of the right of privacy, the patient can conveniently perform treatment by himself at appropriate time and does not need to be limited by the treatment condition of a hospital, and the light source equipment is small in size and convenient to carry and can fully guarantee the treatment or health care effect of the patient and protect the right of privacy of the patient. In addition, the light source equipment has an obvious effect on microcirculation of the whole pelvic cavity and general care and can effectively reduce the attack rate of the vagina inflammatory diseases.

The invention discloses a simulation teaching model for checking anus and vagina during the birth process, which comprises a simulated pelvis body, wherein simulated skeleton is arranged on the periphery of the simulated pelvis body; a pelvic cavity is arranged in the middle of the simulated skeleton; a simulated cortical layer is sleeved on the surface of the simulated pelvis body; a simulated soft tissue layer is arranged between the simulated cortical layer and the outer wall surface of the simulated skeleton; a simulated vagina body is arranged on the facade of the simulated cortical layer; a simulated uterus body is arranged at the inner end of the simulated vagina body and positioned inside the pelvic cavity; a simulated anus and a simulated rectum body are arranged on the lower part of the simulated cortical layer; and the simulated rectum body is also positioned inside the pelvic cavity. The simulated pelvis body is subjected to simulation molding based on human body and is vivid, so that the trueness of teaching is improved; the simulated vagina body, the simulated anus and the simulated rectum body are simultaneously arranged on a model body, so that the actual profile of a uterine part in female body is directly revealed; a simulated infant body is sleeved inside the simulated vagina body, so that the structure of the model is concise and the operability is strong; and elastic woven fabrics are taken as the simulated cortical layer and orlon and sponge are taken as the simulated soft tissue layer, so that the simulation teaching model is convenient to manufacture and disassemble and favorable for daily maintenance.

The invention discloses a preparation method of an acellular biological dermal material. The method comprises the following steps: 1, processing pigskins with an EDTA-containing trypsin solution, flushing the processed pigskins, immersing and vibrating the flushed pigskins in a scale remover solution, and flushing the immersed pigskins; 2, processing the above obtained processed material with a neutral protease solution, flushing the processed material, immersing and vibrating the flushed material in the scale remover solution, and flushing the immersed material; and 3, carrying out step 1 and step 2 1-3 times, processing the processed material with an alpha-1,3-galactosidase solution, and flushing the material to obtain the acellular biological dermal material. The acellular biological dermal material which is prepared after a series of physical and chemical treatments in the invention has the characteristics of safety, no toxicity, decellularization, no alpha-1,3-galactosidase and no immunogenicity, reserves the structure of natural collagen, has very good toughness and strength, can be used as an implantable biological tissue material in the fields of surgery, shaping, hernia restoration, abdominal cavity restoration and pelvic cavity restoration, and also can be used for restoring skin wounds.

A power morcellation system, apparatus, and methodology. Structurally, the device includes a sturdy, pliable (e.g., able to be inserted and retracted through a 10-15 mm morcellator port), distensible, waterproof / watertight retaining bag / pouch / carrier to be deployed into the pelvic cavity of the subject. The device further includes a plurality (e.g., three (3)) of port tube channels extending outwardly from the bag, wherein the interior of each channel is in communication with the interior of the bag. Each channel has an open end (opposite from the end that terminates in the bag) through which a laparoscopic / robotic camera and other instruments (e.g., camera, control instrument) may pass. A smaller tube channel also extends outwardly from the bag and can be suited as an insufflation port channel, among other uses. The bag also includes a large opening surrounded by an elastic drawstring for receiving the specimen to be removed within the bag.

The invention relates to an implementation method of bladder volume measurement. The implementation method of bladder volume measurement includes the steps: control of a whole machine; control of probe scanning; control of emission and reception of ultrasonic signals; control of image processing and ultrasonic imaging; according to the obtained image information, drawing the boundary two dimensional coordinates of a plurality of bladder sections, converting the two dimensional coordinates of all the boundary points of each section into three dimensional coordinates, and enabling the three dimensional coordinates to employ OpenGL to establish a 3D bladder model; equally dividing the 3D bladder model into n layers from top to bottom, wherein n is the ultrasonic depth of the bladder; and calculating the area of each layer, and accumulating the areas to obtain the volume of the bladder. The invention also relates to a ladder volume measuring device. The bladder volume measuring device, and the implementation method of the same can conveniently measure the bladder volume without pain, thus reducing iatrogenic urinary system infection, reducing the pain caused by frequent conduit insertion and being convenient to operate, and can preferably control filling of bladder for pelvic cavity tumour radiotherapy, thus positioning accurately for pelvic cavity tumour radiotherapy and achieving accurate radiotherapy effect.

The invention relates to a ceftizoxime sodium crystalline hydrate and a preparation method and application thereof. The ceftizoxime sodium crystalline hydrate has high storage stability, and is suitable for preparing medicaments for treating or preventing diseases such as infection of respiratory systems, liver and biliary systems, five sense organs and urinary tracts of human bodes or animals, infection of abdominal cavity, infection of pelvic cavity, ichorrhemia, infection of skin tissues, and infection of bones and joint caused by gram positive or negative bacteria, meningitis caused by streptococcus pneumonia or haemophilus influenza, and simple gonorrhea.

The invention discloses an implantation guide device for a cervical cancer brachytherapy minimally invasive surgery. The implantation guide device comprises a cylindrical needle passage guide post anda flat implantation protection wing, the implantation protection wing is fixedly arranged on the outer side of the tail end of the needle passage guide post, and a main guide needle passage is arranged in the needle passage guide post. Corresponding CT (computed tomography) data of a pelvic cavity and a vagina are acquired before the surgery, an interstitial implantation template is printed in a3D (three-dimensional) manner by a system and provided with a set needle passage, the interstitial implantation surgery can be more effectively and rapidly performed, so that radiotherapy dose distribution is more reasonable, the problems of poor needle inserting routes and unreasonable dose distribution due to dissection and gross tumor volume reduction inaccuracy caused by human factors are effectively avoided, and the success rate of the cervical cancer interstitial brachytherapy minimally invasive surgery is greatly increased.

The invention relates to a 3D printing based visual navigation verification method for a pelvic cavity simulation minimally invasive surgery. The method provides a simulation pelvis model having texture similar to real texture for simulation of pelvic cavity surgery, enables quick lamination of a 3D model and the simulation model by employing a color consistence based registration algorithm, and verifies visual navigation accuracy by employing a stereoscopic vision based endoscope tracking algorithm. According to the invention, a real scene is provided for simulation training of the minimallyinvasive surgery. Through the scene, the accuracy of the vision localization algorithm in the minimally invasive surgery can be verified. The visual point quick look method and the color consistence based registration algorithm are proposed for application to a tracking start phase, so that the lamination efficiency of the 3D model and the simulation model is improved. The laminated display of thevirtual and the real model enhances the visual effect and provides the verification method for accuracy of the vision localization algorithm.

The invention discloses a cefuroxime sodium compound entity which is relatively poor in hygroscopicity, relatively good in storage stability and applicable to preparation of drugs for treating or preventing respiratory system infection, five-organ infection, urinary system infection, pelvic cavity infection, septicemia, skin soft-tissue infection, bone and joint infection, gonorrhea and meningitis of human or animals, caused by sensitive gram positive or negative bacteria.

The invention provides a biodegradable film, a preparation method and application thereof. The preparation method of the biodegradable film includes: placing a mobile phase prepared form film-formingraw materials in a dry flat bottom container, conducting solidification into a film with a mass of 0.1-15mg / cm<2>. The film-forming raw materials include biocompatible macromolecular materials containing hydroxyl, amino and / or carboxyl. The biodegradable film provided by the invention can achieve effective attachment to tissue directly, also has the advantages of good mechanical properties, easy bending and good drug loading effect, can effectively prevent tissue leakage and adhesion at abdomen, heart and blood vessels, spine, tendon, gynecological pelvic cavity and other parts, and also can be used as a drug carrier for medical treatment.

The invention provides a medicine composition taking medicines which benefit qi and activate blood circulation and clear away heat and toxic materials for compatibility. The medicine composition has exact treatment effects on various inflammations caused by standard bacteria strains and medicine resistant strains (such as KPC positive or superbacteria NDM-1 positive) such as respiratory tract infection, pelvic cavity infection, urinary infection and acute peritonitis. The medicine composition is a combined preparation of one or more of radix astragali, ginseng, American ginseng, dangshen, heterophylly falsestarwort root, largehead atractylodes rhizome, liquorice and Chinese yam, one or more of salvia miltiorrhiza, red peony root, leeches, Sichuan lovage rhizome, safflower, peach kernels, pseudo-ginseng, rosewood, rhizoma corydalis, ground beetle, motherwort herb, Chinese angelica and giant knotweed rhizome and one or more of honeysuckle, weeping forsythia capsule, isatis root, dyers woad leaf, dandelion, baical skullcap root, heartleaf houttuynia herb, dahurian patrinia herb, common andrographis herb, Tokyo violet herb, herba corydalis bungeanae, gueldenstaedtia multiflora bunge, globeflower and wild chrysanthemum in clinically reasonable doses.

The invention provides a cefoperazone sodium compound entity and a composition thereof. The cefoperazone sodium compound entity is low in hygroscopicity and good in storage stability, is suitable in an application of preparing drugs for treating or preventing respiratory system infection, infection in the five sense organs, urinary system infection, pelvic cavity infection, septicemia, skin soft tissue infection, infection in bones and joints, gonorrhea and meningitis of human or animal due to bacteria being sensitive to gram-positive bacteria or gram-negative bacteria.

The invention relates to a method and a device for screening, diagnosing or risk grading of ovarian cancer. Specifically, the invention relates to a method and a device for screening, diagnosing or risk grading of ovarian cancer by constructing a decision tree model by using high-throughput sequencing and CA-125 level; and more specifically, the invention relates to construction of the decision tree model by using high-throughput sequencing and CA-125 level, and training of the model for screening and detection of ovarian cancer; and therefore, the clinical problems of difficult discovery of the ovarian cancer due to hidden early ovarian cancer symptoms, difficulty in judging whether masses are ovarian cancer or benign ovarian tumors due to undetermined ovarian masses in property, and thepossibility of negative tumor markers accompanied by malignant pelvic cavity masses are solved from the molecular biology level. According to the method and the system, the possible ovarian cancer canbe found through one-time detection.

The invention discloses a gastrointestinal tract contrast medium and the contrast medium comprises the following components in parts by weight: 1000 parts of purified water, 0.3-20 parts of one or more of pure iodine and iodides in the purified water, and 1-8 parts of edible liquid paraffin, wherein the weight of iodine and iodides is calculated by 100% of pure iodine. The gastrointestinal tract contrast medium has the advantage that the contrast medium is safe and effective and has no toxic and side effects, the contrast medium can be fast filled in the part of body which is needed to imaged, and the contrast medium filled in the intracavity can form imaging oral contrast medium with a certain threshold specific density on the adjacent organ and lesion (nidus). After drunken, the contrast medium of the invention is not easy to absorb and can be discharged fast; the physiochemical performance of the contrast medium is stable, the comparison is obvious, the image is clear, the effective diagnosis rate reaches above 97%, the detecting ability is excellent especially for the observation of midabdomen, lower abdomen and pelvic cavity and the diagnosis of the small lesion (nidus), and the sensitivity and specificity for detecting early tumors and lesions in the gastrointestinal tract can be increased.

The invention relates to a cefodizime sodium hydrate, a preparation method thereof and application thereof. The cefodizime sodium hydrate has high storage stability, and is suitable to be used in the preparation of medicaments for treating and preventing diseases, caused by Gram-positive or negative bacterial sensitive bacteria, such as diseases in respiratory systems, liver and gall systems and five sense organs of human beings and animals, urinary tract infection, enterocoelia infection, pelvic cavity infection, ichorrhemia, skin and soft tissue infection, bone and joint infection, annexitis, intrauterine infection, parametric connective tissue inflammation, cephalomeningitis, gonorrhoea and the like.

The invention relates to a cutter stapler with three rows of staples. The cutter stapler comprise a stapler body, a handle arranged at the rear end of the stapler body, a staple box and a cutter arranged at the front end of the stapler body and a staple pushing chip which is arranged in the staple box and used for propelling the staple to move, wherein, a plurality of staple holes which allow the staples to pass through and a cutter slot which allows the cutter to run through are arranged on the staple box; the staple box has a structure with three rows of staples, which reduces the thickness of the whole staple box component so that the head of the cutter stapler is lighter, easy operation can be ensured in the surgery and the surgery can also be conducted deep in a narrower pelvic cavity; moreover, the structure with three rows of staples can ensure that only one row of staples are reserved on a sample, which avoids unnecessary waste and reduces the cost of operation.