40 results about "Operative behandlung" patented technology

A device is described having a reticular or laminar structure to be surgically implanted in uro-gynaecological treatments, useful in particular for the surgical treatment of total or partial prolapse of the female pelvic organs or of prolapse of the vaginal vault.

The invention discloses an intravascular prosthesis. Particularly, the prosthesis comprises i layers of tubular intravascular stents, wherein 2<=i<=8, and the prosthesis is used for treating aortic dissection and arterial aneurysm lesion, particularly ascending aortic aneurysm; the tubular intravascular stents are divided into dense mesh weaved stents and sparse mesh weaved stents, the dense meshweaved stents are large in mesh density, and the sparse mesh weaved stents are small in mesh density; the quantity of the dense mesh weaved stents is m, wherein 1<=m<=4; the quantity of the sparse mesh weaved stents is n, wherein 1<=n<=4, and i=m+n; the dense mesh weaved stents and the sparse mesh weaved stents are coaxially stacked together in the circumferential direction, are used for cooperatively supporting the blood vessel and mutually limit axial stretching or shortening deformation of the stents. By means of the prosthesis in the blood vessel, through a stent interventional operation,the aortic dissection can be effectively treated, particularly the aortic dissection or arterial aneurysm incapable of being subjected to interventional treatment by current clinical medicine.

The invention discloses an operation supporting sleeve and a puncture guiding needle capable of being used by combination, which are characterized in that the main body of a sleeve (1) is a round tube provided with an opening (2) on the tube wall, the head of the puncture guiding needle (4) is spiny, and when used by combination, the sleeve (1) is sleeved on the tail of the puncture guiding needle (4). The operation supporting sleeve and the puncture guiding needle are convenient to use and have high security. The operation supporting sleeve and the puncture guiding needle are mainly used forcutting off ligamenta or cutting part of the ligamenta in operative treatment of nerve compression wounds on a wrist or other parts and incising deep tissues in a minimally invasive surgery.

The invention relates to a dendritic nano carrier system targeting atherosclerotic macrophages and a preparation method thereof. The structural formula of the system is as follows. The preparation method comprises the following steps: taking PAMAM G5.0 dendrimers with an accurate, highly branched, monodisperse and completely symmetrical spherical molecular structure as a carrier, adopting beta-CDcapable of containing and dissolving cholesterol and promoting the clearance and the regression of the cholesterol at an atherosclerotic lesion part for modification, and utilizing the specific combination of Mannose and a Mannose receptor on the surface of macrophages to realize the targeting effect. The invention provides the dendritic nano carrier system targeting atherosclerotic macrophages and the preparation method thereof. The system has the advantages of no immunogenicity, low toxicity, better stability and the like, simultaneously has a good targeting effect, can effectively clear offatherosclerotic lesion parts and start an anti-inflammatory mechanism to promote the regression of plaques, reduces the toxicity-related side effects on patients caused by drug treatment and surgicaltreatment, and has a wide clinical medical effect.

According to the fetus intrauterine positioning and fixing mechanical arm, mechanical arm, surgical robot and system, the mechanical arm and the mechanical arm enter an amniotic cavity through a vaginal cervical fetal membrane or a transabdominal uterine fetal membrane wound, and a doctor operates the mechanical arm and the mechanical arm through the surgical robot or a handle to recognize and adjust the body position of a fetus and fix the fetus according to a preoperative plan. The state of a fetus is monitored in real time, an operation treatment area is exposed, and an operation space for implementing the fetus intrauterine operation is constructed.

The invention relates to application of lauromacrogol injection in preparation of a medicine for treating spontaneous pneumothorax, and solves the problem that special groups cannot tolerate operations and general anesthesia in the prior art. According to the invention, the lauromacrogol injection with low recurrence rate is used as the drug for treating spontaneous pneumothorax by replacing operative treatment with drug treatment. A formula of the lauromacrogol injection comprises 1g of lauromacrogol, 5ml of ethanol (96%) and the balance of water for injection, wherein the total volume is 100ml. According to the pleural cavity adhesive, operation treatment is replaced by medicine treatment, after the lauromacrogol injection is injected into the pleural cavity, the pleura is stimulated to generate aseptic inflammation, coagulation, sclerosis, adhesion and closure, the painful reaction of the pleural cavity is not caused, and the pleural cavity adhesive is an ideal pleural cavity adhesive.

An ascending aorta repair stent anchored by the innominate artery, including the ascending aorta stent segment and the innominate artery stent segment, the innominate artery part of the stent is first released, and then the main part is released, and the distal opening of the main part is facing the aortic arch lumen far away end, the main part of the stent covers the primary tear of the ascending aorta with dissection. After release, the body portion terminates above the sinotubular junction. The longitudinal beam structure is made of temperature-dependent shape-memory metal materials extending to the greater curvature of the aortic arch and the lesser curvature of the aortic arch that continue to the innominate artery. Stick to the aortic wall. The stent is anchored only by the special anatomical shape of the ascending aorta and the innominate artery and the memory metal stringer structure. It is used for patients with type A aortic dissection who are waiting for surgery when there are surgical contraindications in the acute stage, and provides opportunities for follow-up surgical treatment for patients with acute type A aortic dissection with high surgical risk.

The clinical ultrasonic therapeutic apparatus comprises a therapeutic apparatus main body, a lifting mechanism, a cleaning box and a handheld probe, a lifting mechanism and a cleaning box are arranged in the therapeutic apparatus main body, the lifting mechanism and the cleaning box are movably connected, and the cleaning box comprises a box body, a liquid storage box, a base, a liquid guide pipe, a motor, an electric push rod, a cleaning frame and a nozzle; an opening is formed in the front face of the box body, a base is arranged at the bottom of the box body, a liquid storage box is arranged at the top of the box body, liquid guide pipes are communicated with the two sides of the liquid storage box, nozzles are arranged on the side faces of the box body, a motor is arranged in the middle of the liquid storage box, a cleaning frame is arranged below the motor, and nozzles are arranged below the cleaning frame. The therapeutic apparatus main body is provided with a hand-held probe. The invention has the advantages of avoiding side effects existing in medicine and surgical treatment methods, relieving pain of patients during treatment, shortening treatment time of the patients, improving treatment efficiency, reducing working difficulty of medical personnel, improving medicine effect of medicines and improving treatment effect.

The invention discloses a multifunctional sinus expansion treatment system, which includes a shell, a support, a first interface, a guide tube, a balloon assembly, a balloon pushing mechanism, a one-way valve structure, an illuminating device, a flushing device, a second interface, A ram pump, the support is fixedly installed inside the casing, the balloon assembly includes a balloon and a balloon catheter, the balloon is sleeved on the outer periphery of the balloon catheter, and the one-way valve structure is fixedly connected to the On the support, the one-way valve structure is used to control the rapid switching between the use state and the non-use state of the pumping condition, the lighting device is detachably connected to the first interface, and the flushing device is matched with the first interface. The ram pump is connected to the balloon assembly through the second interface to pressurize and expand the balloon for flushing the affected area and drawing liquid. Through the integrated integrated design of the present invention, the efficiency of surgical treatment is greatly improved, and the treatment process is more convenient and reliable.

The invention discloses retractors used for thoracic operations, and relates to the field of medical instruments. The retractors used for the thoracic operations mainly comprises a bed frame; a slidebar is arranged on the bed frame; one end of the slide bar is fixed on a slide bar bracket; a slide sleeve is arranged, far away from the slide bar bracket, at one end of the slide bar; short hooks and long hooks are hung, with intervals of certain distances between, on the slide sleeve; a screw rod is driven to move upward by a rotating hand-wheel shaft, thereby jacking-up the slide bar bracket so as to make the slide bar to tilt upward; and thus, the retractors on the long hooks and the short hooks tilt upward along with the tilting of the slide bar while carrying out linear motion, therebypropping open of intercostal space to facilitate performance of a thoracic operation. The retractors used for the thoracic operations have the following beneficial effects: the retractors used for thethoracic operations is capable of adjusting expansion range in adaption to sizes of the sternum, the chest wall and the thoracic cavity according to operation requirements by hanging retractors of different types, thereby achieving the optimal exposure effects; medical staff can accurately adjust and expand the size of the sternum, the chest wall and the thoracic cavity by directly operating theretractors without help of the power of the hands; and the retractors are suitable for total thoracoscopic surgeries for thoracic diseases, including breast cancer, thyroid carcinoma, lung cancer, esophageal cancer and the like.

The invention provides a thyroid mammary gland surgery operating table convenient to adjust in length, and relates to the technical field of operating tables, the thyroid mammary gland surgery operating table comprises a control assembly, a control seat is inserted into the bottom of a bed body frame, and a positioning mechanism can drive the control assembly to freely move at the bottom of the bed body frame; therefore, the control assembly can move to any position, the function of adjusting the use angle of the spliced bed board from the position is achieved under driving of the adjusting mechanism, the spliced bed board can be adjusted and used under different operation environments and conditions, and medical workers can conveniently conduct operation treatment operation on patients. The problems that when the angle of an operating table is adjusted, the operating table can only ascend or descend from a fixed position for adjustment, flexibility is poor, the angle cannot be adjusted at any position for use according to operation requirements, and adaptability is poor are solved.

The invention discloses a multi-tunnel guiding management system in multiple ligament injuries of the knee joint, which includes a longitudinal arc locator, a transverse arc locator, a longitudinal Kirschner wire guiding sleeve, a transverse Kirschner wire guiding sleeve, and a tunnel spacing adjustment sheet. The longitudinal bow-shaped positioner, the tunnel spacing adjustment piece and the transverse bow-shaped positioner are sequentially connected by connecting bolts from top to bottom, the longitudinal Kirschner wire guide sleeve and the longitudinal bow-shaped positioner are connected by longitudinal locking screws, and the transverse The Kirschner wire guiding sleeve is connected with the transverse bow positioner through a transverse locking screw. The present invention can provide surgeons with accurate guide management of bone tunnels, and is used for positioning and guide management of multiple bone tunnels when multiple ligaments are reconstructed under arthroscopy in the surgical treatment of multiple ligament injuries of the knee joint, so as to achieve accurate positioning of bone tunnels according to surgical requirements The purpose of avoiding mutual crossing or interference between tunnels under the premise of the entrance.

The invention relates to the technical field of medical aids, and relates to a genioglossus muscle expansion stent for improving low-ventilation breathing airways. The expansion stent is applied to the support of the genioglossus, and includes a sleeve, a central tube and a stent body, the center tube penetrates and is sleeved in the sleeve, and the stent body is connected to the end of the sleeve; the sleeve and the stent body are provided with A plurality of support arms, the support arms are of a foldable structure, one end of the support arms is connected with the sleeve and the central pipe, and the other end is connected with the bracket body. When contracted, the support arm is folded, and the support body is folded at the end of the sleeve; when expanded, the support arm is pushed by the sleeve to open, thereby spreading the support body. The present invention is relatively small in size, can enter the human respiratory tract from the oral cavity or from the nasal cavity, flexibly spreads in the respiratory tract, supports the genioglossus muscle at the base of the tongue, prevents the genioglossus muscle from drooping and obstructs the respiratory tract when the patient is lying flat, and effectively relieves hypotension. Compared with surgical treatment, the suffocation phenomenon of patients with ventilation symptoms when lying down and sleeping is basically non-invasive.