82results about How to "Reduced Risk of Complications" patented technology

The invention discloses an aortic valve stent (100) capable of preventing perivalvular leakage. The aortic valve stent (100) capable of preventing perivalvular leakage comprises a stent (110) and an artificial valve (104), wherein the stent (110) is composed of a plurality of grid cells (112); the artificial valve (104) is connected to the grid cells (112); a sealing unit (106) is arranged at the bottom of the stent (110); the sealing unit (106) is made from a metal memory material and laminated; in a natural state, the sealing unit (106) is arched outwards along the axial direction of the stent and of an annular structure along the peripheral direction of the stent (110); one end of the sealing unit (106) is free and is a free end (116); the other end of the sealing unit (106) is fixed with the bottom of the stent (110) by a fixing element, and is a fixed end (126); when the sealing unit (106) is compressed to enter a sheathing canal, the free end (116) of the sealing unit (106) turns towards the bottom end of the stent and around the fixed end (126), thus the sealing unit (106) is not superposed with the stent (110).

Methods and apparatus are provided for delivering drugs, gene vectors, naturally-occurring or synthetic hormones or proteins or other bioactive agents within a patient's vasculature. In a preferred embodiment, the apparatus comprises a material that elutes or secretes a bioactive agent and is held in place within the patient's vessel by an anchor. The material may comprise a biocompatible, and optionally, absorbable matrix, or a culture medium that sustains and nourishes stem cells, spleen cells or pancreatic islets or other beneficial cells. The anchor and material are sized and / or collapsible from a delivery configuration, in which the anchor and material may be delivered into the patient's vasculature within a delivery sheath, to a deployed configuration, wherein the anchor engages an interior wall of the patient's vessel. The apparatus of the invention may be temporarily or permanently implanted, and may in addition self reconfigure after a predetermined period of residency.

The invention discloses a puncture fixing device capable of realizing three-dimensional regulation under CT guidance. The puncture fixing device comprises a support frame, a vertical rod, an angle plate and a positioning block, wherein the vertical rod is movably arranged on the support frame; one side of the angle plate is hinged to the lower end of the vertical rod; the positioning block is arranged at the other side of the angle plate and is used for fixing a puncture needle; a through groove is formed in the vertical rod; one side, hinged to the vertical rod, of the angle plate is provided with a regulating plate vertical to the angle plate; the regulating plate can be inserted into the through hole when rotating along with the angle plate, and is fixed on the vertical rod through a regulating screw bolt; and the positioning block can rotate around a circle center of the angle plate, and realizes rotation locking through a fastening screw bolt. The puncture fixing device has the advantages that by changing the positions of the angle plate and the regulating plate and the position relationship between the angle plate and the regulating plate and rotating the lower rod body, the puncture needle can swing in the vertical plane of the angle plate, so that the precise positioning is realized; the risk of complications is reduced; and meanwhile, the operation by a doctor is convenient.

Methods and apparatus are provided for delivering drugs, gene vectors, naturally-occurring or synthetic hormones or proteins or other bioactive agents within a patient's vasculature. In a preferred embodiment, the apparatus comprises a material that elutes or secretes a bioactive agent and is held in place within the patient's vessel by an anchor. The material may comprise a biocompatible, and optionally, absorbable matrix, or a culture medium that sustains and nourishes stem cells, spleen cells or pancreatic islets or other beneficial cells. The anchor and material are sized and / or collapsible from a delivery configuration, in which the anchor and material may be delivered into the patient's vasculature within a delivery sheath, to a deployed configuration, wherein the anchor engages an interior wall of the patient's vessel. The apparatus of the invention may be temporarily or permanently implanted, and may in addition self reconfigure after a predetermined period of residency.

The invention relates to the technical field of patient location verification in a radiation therapy process, and particularly relates to a real-time verification device and method for patient placement in radiation therapy. The device comprises a first optical camera, a second optical camera and a third optical camera, wherein the first optical camera, the second optical camera and the third optical camera are arranged around a therapy bed. Each optical camera is arranged on a corresponding support. The first optical camera is arranged in front of the therapy bed. The second optical camera and the third optical camera are arranged on both sides of the therapy bed. Three optical cameras are connected with a video acquisition card through a video cable. The video acquisition card is arranged on a graphics workstation. A video calibration board is arranged on the therapy bed and corresponds to the head, the feet, the left side and the right side of a patient. The video calibration board acquires calibration images to calibrate the cameras. The graphics workstation uses an algorithm and software to control the cameras to realize the real-time verification of the patient placement. The device and method can realize accurate placement guide and verification of the patient, which greatly improves the accuracy of radiotherapy.

The invention discloses a PICC (Peripherally Inserted Central Catheter) management system and an application method thereof and relates to the technical field of hospital information management. The PICC management system comprises a business database server which is used for storing various business data, a clinical PICC terminal, an IIS (Internet Information Serves) application server, an interface server terminal, an interactive phone voice self-service appointment terminal, a short message transmit-receive terminal and a specialist administrator terminal; the clinical PICC terminal obtains medical advice from an HIS (Hospital Information System) due to interaction with the business database server and automatically reminds specialists and nurses to perform PICC pre-cathetering estimation, post-cathetering maintenance and confirmation of complications and daily observation operation; the IIS application which is connected with the business database server is used for managing the various business data in the business database server; the interface server terminal performs information interaction and synchronization with the HIS system; the interactive phone voice self-service appointment terminal which generates phone voice according to arrangement information automatically perform voice answering; the short message transmit-receive terminal receives a short message transmit-receive request and returns transmit-receive result data back to a transmission request party; the specialist administrator terminal is used for specifying clinical terms, complication names and background control procedures.

The invention provides an ablation catheter device. The ablation catheter device comprises an ablation assembly which can be expanded in a radial direction and can be compressed in the radial direction, wherein the outer diameter of the ablation assembly is smaller than 1.78mm under a radial compressed state. The ablation catheter device can be used for carrying out renal artery sympathetic nerve radio-frequency ablation through a femoral artery puncture intervening path and also can be used for carrying out the renal artery sympathetic nerve radio-frequency ablation through a radial artery puncture intervening path, so that damages to blood vessels of patients are reduced and complication risks are reduced; the ablation catheter device can be suitable for the patients who can not undertake femoral artery puncture intervening treatment and has a wider application range.

The invention discloses a neurosurgery department back cranial opening drainage device. The neurosurgery department back cranial opening drainage device includes a base; the base is a [-shaped plate;fixing plates are fixedly on upper surfaces of two ends of the base and opposite to each other; rotation shafts are arranged in shaft holes formed in the fixing plates; the neurosurgery department back cranial opening drainage device has a simple structure, can be fixedly through the base, can open a skull at an operation position through opposite motion of two pulling plates, can lead intracranial leaked blood to a negative pressure barrel through a drainage catheter and a negative pressure pump; a high position of a liquid outlet of the drainage catheter can effectively prevent liquid in thenegative pressure barrel from flowing down; an angle of deflection of an arm plate can be adjusted, and a position of a sliding seat on the arm plate can be adjusted; the heights of the pulling plates and the drainage catheter can be correspondingly adjusted, the drainage catheter can safely enter a cranium and reaches a designated depth position, the successful rate of the operation can be improved, the risk of complications can be lowered, and the working difficulty of medical workers can be lowered.

The invention relates to a preparation method of Chinese herbal medicine tea and in particular relates to a pine needle powder green-keeping and fresh-keeping treatment method and pine needle health protection tea. According to the pine needle powder green-keeping and fresh-keeping treatment method, pine needles after being soaked and cleaned are dried by adopting a two-step method, a de-enzyming temperature in a de-enzyming step is 150 DEG C, de-enzyming time is 1-2 minutes, colour of the pine needles is changed into natural bright green after de-enzyming is finished, and more chlorophylls are reserved owning to shorter de-enzyming time; besides, the pine needles are cured, so that further bitterness is further reduced; in a low-temperature roasting step, a roasting temperature is 80-90 DEG C, and roasting time is 17-20 minutes, so that pharmaceutical ingredients in the pine needles can be effectively dissolved out after pine needle tea is made, and nutritional ingredients of the pine needle powder made by utilizing the pine needle powder green-keeping and fresh-keeping treatment method are effectively reserved.

Provided are a puncturing probe and an imaging system and method applying the same. The puncturing probe includes at least one layer of needle tubes and micro probe heads, partial side walls of the needle tubes in the outer layer are of transparent structures, and the probe heads are integrated in an arbitrary layer of the needle tubes; the puncturing probe further comprises single mode optical fibers used for transmitting detection light beams and micro mirrors, wherein the single mode optical fibers and the micro mirrors are arrayed successively along an optical axis, each micro mirror is of an MEMS structure, can be driven to rotate in the vertical surface of the optical axis by the external and is used for reflecting the detection light beams to make the detection light beams transmit from the transparent structures to a to-be-detected tissue area; the micro mirrors are further used for receiving and reflecting light beams which carry tissue pathology information and are reflected by the to-be-detected tissue area, and then transmitting the light beams to external detection equipment for detecting the tissue pathology information. Thus, sampling only needs to be conducted in a probable lesion area, and therefore sampling frequency of living tissues can be effectively reduced, and meanwhile, the risk of complication is decreased, and the puncturing probe and the imaging system and method applying the same can be applied to real-time cancer detection conducted on a substantive deep organ.

The invention aims to provide a marrow liquid-injecting gun for rescuing, which is suitable for emergently setting up a transfusion channel in the field conditions including various accidents, such as, earthquake, fire hazard, traffic accident, and the like, as well as the natural disaster environment. The marrow liquid-injecting gun comprises a gun body, a propulsion system and an ejection system, wherein the gun body consists of a propulsion cylinder, a locating sleeve, a trigger and cocking device and a pikestaff; the propulsion system consists of a pull bar, a pull bar handle, a locating card shoot, a limiting card shoot and a propulsion spring; the ejection system consists of an internal pin, an external pin, an injection needle fixed device and a cartridge. In the invention, the materials of the main parts are mainly low carbon alloy steels after undergoing surface treatment. The invention is a medical apparatus universally used by the army and common people, is completely mechanical without any energy source requirement, has safe, convenient and fast use, can be repeatedly used for many times, greatly reduces the use cost of the original medical apparatus and has wide application prospect in clinic.

The artificial pulmonary artery with valve includes one section of ox jugular vein with venous valve, and one or two sections of pipes made of artificial material and connected to the ox jugular vein. The artificial pulmonary artery with valve is coated with medical polymer material. The artificial pulmonary artery with valve is superior to available artificial pulmonary artery of ox jugular vein tissue alone, and the latter has the demerits of over reaction, over calcification, etc. The present invention has greatly improved long term treatment effect.

The invention discloses a remote diagnosis and treatment system and method for tumor ablation. The remote diagnosis and treatment system for tumor ablation includes a diagnosis and treatment system and a microwave ablation treatment planning system. The diagnosis and treatment system is integrated with the microwave ablation treatment planning system, so that doctors can be helped to formulate a reasonable surgical plan through the microwave ablation treatment planning system during consultation and develop a treatment plan for a patient. The remote diagnosis and treatment system and method for tumor ablation realize convenient and effective remote medical treatment through a network, so that the complex disease of the patient can be treated through consultation at a local hospital, thereby greatly reducing a risk of aggravating the condition caused by running, saving the diagnosis time and cost of the patient and improving the diagnosis efficiency.

The invention discloses an aortic valve stent (100) capable of preventing perivalvular leakage. The aortic valve stent (100) capable of preventing perivalvular leakage comprises a stent (110) and an artificial valve (104), wherein the stent (110) is composed of a plurality of grid cells (112); the artificial valve (104) is connected to the grid cells (112); a sealing unit (106) is arranged at the bottom of the stent (110); the sealing unit (106) is made from a metal memory material and laminated; in a natural state, the sealing unit (106) is arched outwards along the axial direction of the stent and of an annular structure along the peripheral direction of the stent (110); one end of the sealing unit (106) is free and is a free end (116); the other end of the sealing unit (106) is fixed with the bottom of the stent (110) by a fixing element, and is a fixed end (126); when the sealing unit (106) is compressed to enter a sheathing canal, the free end (116) of the sealing unit (106) turns towards the bottom end of the stent and around the fixed end (126), thus the sealing unit (106) is not superposed with the stent (110).

The invention relates to a proton therapy monitoring method, device and system. The method comprises determining a tumor lesion region according to a pre-constructed three-dimensional phantom; determining a region of interest according to the tumor lesion region; receiving a sound wave time sequence signal collected by an acoustic detector when the proton beam irradiates the tumor lesion region; processing the sound wave time sequence signal to obtain the proton beam dose distribution in the region of interest; selecting the position of the maximum dose from the proton beam dose distribution as the Bragg peak position; detecting the proton beam dose distribution and whether the Bragg peak position falls within the tumor lesion region; if so, adjusting beaming parameters of the proton beam.By means of the technical scheme, the Bragg peak position can be accurately determined, the proton beam dose distribution and the Bragg peak position are monitored, the beam parameters of the protonbeam are adjusted to ensure that the dose of the proton beam irradiation is normal and the position is accurate, the risk of the tumor recurrence and the normal organ concurrency is reduced, and the treatment effect of the proton therapy on a patient is ensured.

The invention belongs to a plant beverage for improving the constitution of patients with hyperglycemia and diabetes mellitus. The beverage is prepared from the following raw materials in parts by weight: 1-50 parts of kudzu vine root, 1-60 parts of Chinese yam, 1-70 parts of malt, 1-50 parts of polygonatum kingianum, 1-60 parts of rhizoma phragmitis, 1-50 parts of semen ziziphi spinosae, 1-50 parts of fructus mume, 100-2000 parts of erythritol and 1000-50000 parts of water. The plant beverage has the advantages of integral recuperation under medical treatment, safety without toxicity, good blood glucose reduction effect, unique flavor and good taste, and can be used for effectively reducing the blood glucose of patients with diabetes mellitus and improving the constitution of patients with hyperglycemia and diabetes mellitus.

The invention relates to a manufacturing method of a coaxial electrostatic spinning magnetic anastomosed artificial blood vessel. The method comprises the following steps: 1) preparing a coaxial electrostatic spinning solution; and preparing two solutions: namely a heparin sodium solution and a poly L-lactide-caprolactone solution, wherein the heparin sodium solution is a core layer solution for coaxial electrostatic spinning, and the PLCL solution is a shell layer solution for coaxial electrostatic spinning; 2) carrying out 3D printing of an electrostatic spinning receiver: 2.1) carrying outCT angiography examination on a patient before an operation; 2.2) measuring the blood vessel length L and the blood vessel diameter D, which need to be replaced; 2.3) drawing a 3D model of an electrostatic spinning receiver by using SolidWorks software; and 2.4) manufacturing an electrostatic spinning receiver by using a 3D printer; and 3) manufacturing a coaxial electrostatic spinning magnetic anastomosed artificial blood vessel. The prepared magnetic anastomosed artificial blood vessel has a good microstructure, hydrophilicity and stable heparin slow release performance, and the blood compatibility, mechanical properties and animal in-vivo implantation experiments show that the magnetic anastomosed artificial blood vessel has the advantages that the anastomosis process is convenient andrapid, an anastomosed stoma is not narrow, and anticoagulant application is avoided.

The invention discloses a novel enema instrument based on an underactuated manipulator. The high-efficiency enema instrument comprises a medicine dispensing system and a massaging system, wherein themedicine dispensing system comprises a counter weight cabinet, a tool kit and an enema tube; the massaging system comprises a configuring bracket and the underactuated manipulator. A constant-temperature system, a medicine injecting system, a medicine mixing system and a flow control system are mounted in the tool kit, so that the parameters including the temperature, the concentration, the flow capacity, the flow rate and the like of enema fluid are in an optimal control range, damage to a patient is reduced, and the risk of initiating complications is reduced; through the underactuated manipulator, the problem that when a patient lies flat, the height of the abdomen is irregularly changed, and the massaging track is difficult to plan is solved; and through the massaging of the manipulator, the retaining time of the enema fluid in the body of the patient can be prolonged, the mixing speed and the sufficient degree of the enema fluid and excrement and urine are accelerated, after enemais performed once, the clean degree of intestinal tracts is greatly improved, the enema frequency required by cleaning the intestinal tracts is reduced, and the enema efficiency is improved.

The invention is suitable for the technical field of medical apparatus and instruments, and provides an adjustable bent catheter. The sheath tube is provided with a bendable section, the first traction wire and the second traction wire are anchored on the bendable section of the sheath tube, and the driving mechanism is further arranged for pulling and releasing the first traction wire and the second traction wire; and when the driving mechanism pulls any one of the first traction wire and the second traction wire to enable the sheath tube to bend towards the side of the pulled traction wire, the other traction wire is correspondingly released, so that the bendable section of the sheath tube can be bidirectionally bent towards at least two directions of the sheath tube, and therefore, the bendable section of the sheath tube can be bidirectionally bent towards at least two directions of the sheath tube. According to the interventional therapy catheter, the requirement for interventional therapy on complex lesion positions such as blood vessel distortion and variable blood vessel opening positions can be fully met, the frequency that clinical operators need to adjust the catheter and replace the catheter for multiple times is greatly reduced, and therefore the operation is easier to operate, and meanwhile the risk caused by complications is reduced.

The invention discloses a multi-point electrolytic detachment system and method for detaching embolism materials. The system comprises a spring ring and a spring ring conveying system. The spring ring comprises a plurality of end-to-end small spring rings and detachment points for connecting the small spring rings. The spring ring conveying system comprises a conveying guide wire and a micro catheter. The conveying guide wire is arranged inside the micro catheter. The front end of the conveying guide wire is connected with the tail end of the spring ring through the last detachment point, an electrified wire is arranged at the front end of the micro catheter, a micro wire is arranged on the wall of the micro catheter, and the micro wire is connected with the electrified wire. Different detachment points are arranged on the spring ring, detachment is performed at nearby detachment points after arterial aneurysm embolism is satisfied, an existing multi-spring-ring implanting method is replaced, the operation time is shortened, and the operation cost of a patient is lowered.

The invention discloses a high-efficiency enema instrument based on an underactuated manipulator. The high-efficiency enema instrument comprises a medicine dispensing system and a massaging system, wherein the medicine dispensing system comprises a counter weight cabinet, a tool kit and an enema tube; the massaging system comprises a configuring bracket and the underactuated manipulator. A constant-temperature system, a medicine injecting system, a medicine mixing system and a flow control system are mounted in the tool kit, so that the parameters including the temperature, the concentration,the flow capacity, the flow rate and the like of enema fluid are in an optimal control range, damage to a patient is reduced, and the risk of initiating complications is reduced; through the underactuated massaging manipulator, the problem that when a patient lies flat, the height of the abdomen is irregularly changed, and the massaging track is difficult to plan is solved; and through the massaging of the manipulator, the retaining time of the enema fluid in the body of the patient can be prolonged, the mixing speed and the sufficient degree of the enema fluid and excrement and urine are accelerated, after enema is performed once, the clean degree of intestinal tracts is greatly improved, the enema frequency required by cleaning the intestinal tracts is reduced, and the enema efficiency is improved.

The invention discloses a vegetable drink for diabetic patients. The vegetable drink is prepared from the following raw materials: kudzu vine roots, Chinese yam, malt, rhizoma polygonati, rhizoma phragmitis, spina date seeds, fructus mume, erythritol and water. The drink has the advantages of integral regulation and treatment, safety, no toxicity, good blood glucose lowering effect, unique flavorand good taste, and can effectively reduce the blood glucose of diabetic patients and improve the constitution of hyperglycemic and diabetic patients.

The invention relates to a meniscus transplanting bone bolt fixing technology and device and belongs to the field of medical devices. The meniscus transplanting bone bolt fixing device comprises two groups of components which are a group of bone bolts (bone bolt devices) for manufacturing standard sizes of allogenic meniscus front and rear angels and a group of bone tunnels (bone tunnel devices) for manufacturing the bone bolts for accommodating meniscus front and rear angles on a receptor tibial plateau. Each bone bolt device comprises a cone-shaped hollow drill (1) and a guide pin (2). Each bone tunnel device comprises an eccentric bone drill bit (3) and a drill bit (4). By X-rays and computed tomography (CT) scanning measurement, a donor which has the meniscus dimensions 10% larger than those of a receptor is selected, an allogenic inner side meniscus is made into front and rear angle dead point bone bolt belt completed meniscus on an operating table, and stitches which cannot be absorbed penetrate into drilled holes for reserve.

The invention discloses a covered stent. The covered stent comprises a stent body and a tectorial membrane wrapping the surface of the stent body, the tectorial membrane is of a lumen structure with two openings formed in the two ends, the tectorial membrane is concaved by facing the interior of the covered stent to form at least one groove used for containing a branch stent, and the grooves run through at least one end of the covered stent. According to the covered stent, the grooves used for containing the branch stents are reserved in the tectorial membrane in advance, gaps between the branch stents and the covered stent are reduced to the maximum extent, and the occurrence rate of I type inner leakage is lowered.

A prostate treatment system having a light delivery device positionable in a transurethral device for treatment of benign prostatic hyperplasia (BPH). The light delivery device includes light generator, such as light emitting diodes (LED), laser diodes (LDs) or a diffusion quartz fiber tip connected to a light generator or a light emitting polymer which produces light at a selected wavelength or waveband or alternative sources of suitable light energy. The treatment device may further include a temperature monitoring system for monitoring the temperature at the treatment site. A light-activated drug is administered to the treatment site prior to light activation. The light-activated drug therapy induces cell death of the target tissue. The device provides a minimally invasive transurethral method for treatment of BPH or prostate cancer.

The invention discloses a medical under-actuated massage manipulator. The medical under-actuated massage manipulator comprises a configuration support, a medical under-actuated massage manipulator andan adjusting device. The medical under-actuated massage manipulator solves the problem of difficulty in massage track planning due to irregular change of the height of the abdomen of a patient duringlying; and by manipulator massage, the retention time of a clysis fluid in the body of the patient can be prolonged, the mixing speed and sufficient degree of the clysis fluid and excrement can be increased, the cleanliness degree of intestinal tracts after single clysis is greatly improved, the clysis times required by cleaning of intestinal tracts are reduced, and the clysis efficiency is improved.

The invention relates to miRNA biomarkers, compositions and uses of the biomarker and the compositions. The biomarkers can be applied in preparation of lung cancer detection agents. The invention further relates to the composition comprising at least one of the miRNAs and sequences of a forward primer and a reverse primer of each miRNA, and uses of the composition in lung cancer detection agents.The identified miRNA is closely related to development of lung cancer, can be adopted as a biomarker for screening and diagnosing lung cancer, and provides an effective basis for clinical individual intervention treatment.