73results about How to "Reduce surgical pain" patented technology

The invention relates to a novel percutaneous aortic valve and pulmonary valve exchanger, which is a self-expand support with biological valve, formed by the support in special shape and made from nickel titanium alloy skeleton and the three-blade one-way opening valve formed by pig heart, wherein, the support has fixing and supporting functions, and the pig heart forms three valves fixed in the support. The invention has little hurt, high safety and reduced complication.

An implanted electric pulse system for stimulating nerve to treat Parkinson's disease, epilepsy, pain, strain and spasm is composed of a pulse generator implanted in human body, leading lines, electrodes, external program controller, PDA and external control magnet. The working state of pulse generator and the pulse parameters can be remotely controlled and regulated by said external magnet, program controller and PDA. The software update can also be performed through PDA and program controller.

The invention provides a double pole high-frequency electric scalpel capable of achieving two-channel liquid injection. The double pole high-frequency electric scalpel comprises an electrode part, a main body part and an operation part. The electrode part comprises an active electrode, an insulation piece and a noble electrode; the active electrode has a hollow tubular part and can cut a target pathological tissue after being connected to a power source; the main body part comprises a protection pipe, an outer insulation pipe, a spiral piece coated with an insulation coating, a connection piece, a sealing piece and the like. The spiral piece coated with the insulation coating comprises a conductive spiral piece and the insulation coating which coates the surface of the spiral piece; the operation part comprises a locating structure, a slide block, a core rod, a connection sheath, an infusion pipe and a connection cable, 6% Luer tapers are connected to both the locating structure and the infusion pipe, fluid can flow out from the hollow tubular part of the active electrode, the lower layer of mucosa is injected so that mucosa tissues can swell, and a bleeding part can be cleaned. The fluid can also pass through a gap between the active electrode and the insulation piece, and thus the tissues attached to the active electrode and the insulation piece and the bleeding part can be cleaned.

The invention relates to a percutaneous aortic valve replacement surgery conveying device with valve positioning function, which is characterized by comprising a conveying rod (1), a sheath pipe (5), a circular ring (3), positioning rods (2) and circular ring control cables (4), wherein the circular ring (3) is sheathed on the lower end of the percutaneous aortic valve replacement surgery conveying rod (1) and located in the conveying sheath pipe (5); the quantity of the positioning rods (2) is at least two, and one end of each positioning rod (2) is hinged with the conveying rod (1); and the quantity of the circular ring control cables (4) is at least two, the lower end of each circular ring control cable (4) is provided with a structure for supporting the circular ring (3), and the upper end of each circular ring control cable (4) stretches out of the human body along the axial direction of the conveying rod (1). The conveying device can play good auxiliary function on positioning the transplanted valve, increase the success rate of percutaneous aortic valve replacement surgery and reduce surgery difficulty and postoperative complications; the conveying device can also reduce surgery pain and risk for patients and decreases medical expenses.

The invention provides a new percutaneous aortic valve replacing device which is characterized by the rational designation, convenient usage and low operational danger, which is to solve problems of inconvenient stitching of valve and cradle and high danger of using saccule to expand aortic valve in current aortic valve replacing device, the device is an automatic buckling cradle carrying biological valve, comprising cradle in nickel-tantalum alloy framework and trilobular one-way opening valve composed of pig heart bag. The nickel-tantalum alloy possesses functions of fixing and supporting, the trilobular valve is fixed tightly in the cradle. The product is characterized by the small injury, high safety, reduced complication caused by aortic valve replacement, and wide application prospect.

The invention provides a circumcision device and belongs to the field of medical instruments. The circumcision device comprises a functional assembly and an actuating unit assembly. The functional assembly comprises a first shell, a glans penis sleeve, a nail plate, a pull rod, a nail box, a scalpel and an ejector. The actuating unit assembly comprises a second shell, a gun core, a screw, a nut push rod and a first elastic part. The nail plate is arranged at the edge of the glans penis sleeve. The outer side of the glans penis sleeve is connected with the pull rod. The nail box is arranged on the inner side of one end of the first shell. The scalpel is located on the inner side of the nail box. The end, away from the glans penis sleeve, of the scalpel is connected with the ejector. A through hole is formed in the middle of the ejector. The pull rod penetrates through the through hole. The end, away from the glans penis sleeve, of the pull rod is connected with the gun core. The screw is arranged outside the gun core. The nut push rod is in threaded connection with the screw. One end of the screw is connected with the second shell. The ejector is pushed by the nut push rod to move. A button is arranged at the end, away from the pull rod, of the gun core. The circumcision device is simple in structure, convenient to use and capable of improving surgery efficiency and stability.

The invention discloses a parallel external fixator and an application method thereof, and relates to bone treating devices or methods. The external fixator comprises a frame part and a matching computer software part, wherein the frame part is composed of a reference ring, a shift ring and six drive rod. The application method comprises the steps that the parallel external fixator is installed; standard frontal and lateral X-ray photographs are shot; a local coordinate system of the parallel external fixator and a global coordinate system of the parallel external fixator are built; malformation parameters and installation parameters are acquired by measurement; the lengths of the six drive rods of the parallel external fixator is obtained; precise fracture reduction is achieved through treatment days given by a doctor. The parallel external fixator and the application method thereof overcome the defect in the prior art that good extremities abutting needs multiple repeated reduction which can increase the risk of secondary damages to soft tissues and nerves and blood vessels.

The invention relates to the technical field of medical informatization, in particular to a spinal prosthesis replacement surgery simulation system based on a mixed reality technology and a construction method, and the method comprises the following steps: (1) establishing a prosthesis data cloud storage library, and recording and storing images and data information of spinal prosthesis models ofvarious parameters; step (2), scanning a human spine image, including a CT scanning image or a nuclear magnetic scanning image; (3) carrying out human body spine image import and three-dimensional image modeling; (4) controlling the three-dimensional digital model of the human body spine image on the MR intelligent equipment; (5) calculating prosthesis parameters; step (6), calling a spinal prosthesis 3D model; step (7), carrying out prosthesis replacement effect evaluation; and (8) automatically matching the human body spine three-dimensional digital model with the patient. The precision andspeed of the prosthesis replacement operation can be improved, the operation time is shortened, and the operation pain is relieved.

The present invention provides a double-side depressing molar teeth device, and belongs to the field of dental medical device. The double-side depressing molar teeth device comprises a pair of side support bars (1) and a connecting rod between them (2), and two micro-implants (6) implanted in the jaw joints side by side and located in the root of the first molar tooth. The connecting rod (2) is fixedly arranged between the rear ends of the side support bars (1) on both sides; each side support rod (1) is provided with three connectors (3), the front end of each side support rod (1) is provided with a front towing hook (4), each of the side support rod (1) is provided with a towing hook (5) close to the second molar; and rubber bands (7) are respectively arranged between the front hook towing hook (4) and micro-implants (6), and between rear towing hook (5) and micro-implants (6). The double-side depressing molar teeth device of the invention has the advantages of stable treatment effect, no side effects, improvement of patient comfort during treatment, low surgical risk, little trauma, and easiness to production and promotion.

The invention discloses an adjusting device of a growing rod, a passive growing rod, and an active growing rod. The adjusting device of a growing rod comprises an adjusting block and a movable rod. The adjusting block is slidably connected with one end of the movable rod, so that the movable rod can move relative to the adjusting block. The adjusting block is provided with a pressing piece which can elastically reset. One end of the movable rod is provided with a limiting portion used for limiting in one direction. When the pressing piece is in a natural state, the pressing piece is cooperatedwith the limiting portion in a limiting manner, so that the movable rod can just move along the direction away from the adjusting block. When the pressing piece and the limiting portion is separatedor staggered, the movable rod can move relative to the adjusting block in a reciprocating manner. Using the adjusting device of a growing rod, the passive growing rod, and the active growing rod, a patient just needs one mounting operation, adjustment after operation is convenient, and pain of the patient is reduced.

The invention discloses a traditional Chinese medicine for treating nephritis. The traditional Chinese medicine comprises the raw materials in parts by weight: 4.5 parts of ephedra, 9 parts of monkshood, 30 parts of black beans, 6 parts of rhizoma alismatis, 8 parts of achyranthes bidentata, 8 parts of capillary Artemisia, 10 parts of white atractylodes rhizome, 6 parts of rhizoma anemarrhenae, 6 parts of semen cuscutae, 8 parts of rhizoma imperatae, 12 parts of liquorice, 8 parts of herba pyrrosiae and 6 parts of chingma abutilon seeds. The traditional Chinese medicine is decocted; a user takes one dosage of the traditional Chinese medicine twice a day, and one month is a treating course; clinical treatment on more than 60 nephritis patients shows that he effectiveness is 96.8 percent, and the nephritis can be effectively treated; the effect of treating and conditioning the physique is achieved; furthermore, the traditional Chinese medicine is convenient to take, and the treating effect is definite; the operation pain and the economical burden of the patient can be alleviated, and the traditional Chinese medicine is a good medicine for treating the nephritis; the traditional Chinese medicine is suitable for being produced by a pharmaceutical factory, hospital clinical application and being taken by the patient.

An elastic sheet for re-activating an endometrial basal layer in a uterine cavity comprises a silicone rubber and a drug, wherein the drug is encased inside the silicone rubber in the manner of a drug storage zone, or uniformly dispersed inside the silicone rubber, or carried by an outer surface of the silicone rubber as a coating, and the drug comprises an estrogen. A method for forming the elastic sheet with a drug in a matrix-type elastic sheet; or as a sustained release coating is provided. The estrogen is loaded on the silicone rubber, and thus the endometrial basal layer is continuously activated through drug stimulation, allowing for the endometrial basal layer to re-proliferate the functional layers, thereby restoring the normal endometrial structure and completely preventing adhesions.

An ultra-thin multifunctional cardiac rhythm regulation and control device without electrode cut wire belongs to the field of medical appliance. The integral ultra-thin pacemaker without electrode cut wire which is provided with a microcomputer cardiac rhythm regulation and control system, has the function of cardiac rhythm regulation and control as well as defibrillation, and takes on foldable soft structure is composed by combining an ultra-thin button cell, an ultra-low loss power supply circuit, a wireless receiving / sending circuit and an application circuit; needle electrodes are arranged at one side / end of the ultra-thin pacemaker to integrally form a small electrode body which can be directly implanted inside the heart or on the outer surface of the heart in a way of insertion or minimal invasion; a multifunctional microcomputer cardiac rhythm regulation and control remote controller is arranged to be communicated and connected with all the pacemakers without electrode cut wires in a wireless way; the pacemaker without electrode cut wire and / or the cardiac rhythm regulation and control remote controller are / is connected with a control base station through a wireless network which is connected with a computer. The multifunctional cardiac rhythm regulation and control device can be widely applied to the field for treating the various patients having symptoms such as arrhythmia and insufficient function on systole.

The invention relates to the technical field of medical devices, in particular to a positioning frame for an electrode-implanted medical device and a manufacturing method thereof. The positioning frame for electrode implantation medical device comprises a positioning frame body, a frame and a stopper, wherein the stopper is arranged on the frame, and a stopper hole for positioning the electrode tobe inserted is arranged in the stopper; a fixing assembly arranged on the positioning frame body. The positioning frame body and the fixing assembly are made of MRI compatible material. The positioning frame provided by the invention adopts MRI compatible material, can be compatible with MRI scanning detection in the operation process, fine-tunes the position of the implanted electrode, assists the implantation of the stimulation electrode more accurately, has high positioning accuracy, and provides a guarantee for the stimulation treatment of the patient after the operation.

The invention provides an implant conveying system and a using method thereof. The implant conveying system comprises a release unit, an electrolysis part, a push rod and a micro-catheter, as well asa conducting layer which is arranged on the micro-catheter, wherein an electrode end of the release unit is electrically connected to the push rod; and another electrode end of the release unit is electrically connected to the conducting layer. By adding the conducting layer on the micro-catheter as an electrode end which is required by implant release, an implant is conveyed by virtue of the micro-catheter, and meanwhile, the conducting layer, which functions as the electrode end, is conveyed into an ion solution; when the electrolysis part gets into contact with the ion solution and the release unit is electrified, a loop is defined between the conducting layer and the push rod, and the electrolysis part conducts electrolysis in the ion solution, so that the implant is released from thepush rod. According to the implant conveying system provided by the invention, harm of a conducting needle, which functions as the electrode end, to a patient is avoided, and operation pain is relieved; moreover, due to the defined loop, consumed time is shortened and stability is guaranteed, so that the release efficiency of the implant is improved; and meanwhile, the additional use of the conducting needle is avoided, and operations are further simplified.

The present invention provides a system and method for active propulsion of devices, such as endoscopes, along cavities, such as body lumens. The propulsion system can be attached to a commercially available endoscope, or be provide affixed together, and moves the endoscope in a lumen by pulling it forward. The present invention further provides a method of diagnosing diseases and disorders, and treatment of diseases and disorders, using a device according to the invention.

The invention discloses a suture clamping device, and belongs to the technical field of suture clamping. The suture clamping device comprises a shell and a handle shell, and a rotary knob is arrangedat the tail end of the shell; a nail bin and a clamping nail piece are arranged in the shell, and the clamping nail piece can slide in the shell along a straight line; and a plurality of clamping nails are placed between the nail bin and the clamping nail piece, pushing mechanisms are mounted at the tail ends of the clamping nails, a pressing mechanism is arranged in the handle shell, and the pressing mechanism is connected with the clamping nail piece through a connecting tail end of a connecting rod. The whole suture clamping device can be rotated through the rotary knob, and therefore clamping at any angle of 360 degrees is achieved; and the clamping nails are clamped through the clamping device, manual knotting is replaced by the clamping nails, thus tedious knotting operation is avoided, the same effect as knotting is achieved, the multiple clamping nails are prevented from existing in the nail bin simultaneously, multiple times of clamping can be conducted, the operation time isgreatly shortened, and the operation pain of a patient is relieved.

The invention discloses a head lymph massage instrument and a using method thereof, and relates to the field of neurosurgery, the head lymph massage instrument comprises a drainage pump and an inflation drainage head sleeve, and the drainage pump comprises an inflation module, a control module, a display module, a shell and a switch. According to the head lymph massage instrument and the using method thereof, a physical therapy is used for replacing manual massage, pressing type drainage is conducted on lymphatic systems in front of the ears, behind the ears and at the lower jaw of a patient, and drainage in front of the ears and behind the ears is drained to the clavicle from top to bottom in the jugular vein direction; the chin drainage starts from the chin and drains towards the inflection point of the mandibular angle from front to back along the mandible, so that a doctor can be helped to massage the head lymph of a patient by using a physical technique under the condition of not performing craniotomy or skull drilling and intubation, the intracranial pressure of the patient is reduced, the surgical pain of the patient is relieved, the intracardiac pressure is reduced, and the postoperative infection risk is avoided.

The invention relates to a material for preparing an expandable artificial eye table and application thereof. The material comprises the following components in percentage by mass: 10 to 50 percent of acrylic monomers, 0 to 15 percent of inorganic nano particles, 0.1 to 1 percent of cross linker, 0.1 to 1 percent of free radical initiator and the balance of water. The material overcomes the defect of insufficient mechanical strength of a single high water absorption material; and by introducing the inorganic nano particles with good biocompatibility, the mechanical strength of the composite material is improved, the expansion rate of the material is reduced, and the expandable artificial eye table with controllable mechanical strength and expansion rate is prepared. The compression strength of the expandable artificial eye table is 0.1 to 5MPa, the compression modulus is 0.1 to 10MPa, the volume expansion rate in water is 40 to 200 percent, the volume expansion rate in physiological saline is 5 to 80 percent, and the expansion balancing time is 1 to 5 days.

The invention relates to the technical field of medical instruments, in particular to a multi-start thread U-shaped nail. The multi-start thread U-shaped nail comprises a screw, threads, a cutting edge and a nail front end. The screw is provided with the threads which are multi-start threads, one end of the screw is provided with the cutting edge, and the other end of the screw is provided with the nail front end. The multi-start thread U-shaped nail is convenient to operate and firm in fracture fixation, wound union is fast, the single-start thread is changed into two-start or multi-start threads, the multi-start threads are long in lead and fast in rotation, operation time for patients is greatly shortened, operation pain of the patients is alleviated, and quite good effect is achieved.

The present invention provides a fixing device for ligament reconstruction and a use method thereof. The fixing device comprises a fixing member, lobes and a fixing loop, the lobes are movably coupledto the fixing member, and the fixing loop is located on the fixing member. The lobes of the fixing device for ligament reconstruction can be opened, and the contact area of the lobes with the femur after passing through the pre-drilling bone passage is greatly increased, so that the fixing effect is more stable, and the problem that the small bone plate falls after repair is effectively solved. The risk caused by foreign matter retention in the postoperative joint cavity is avoided, and the problem of internal fixation of secondary operation for removal is solved.

The invention provides a series-parallel connection type shape memory alloy vertebral body support, which belongs to the technical field of medical instruments, and comprises a plurality of parallel connection single bodies connected in series, each parallel connection single body comprises a plurality of support single bodies, and the support single bodies are connected in parallel in a crossed mode to form one parallel connection single body. The parallel monomer is made of a shape memory alloy material meeting the biocompatibility requirement, so that the parallel monomer can be in a contracted state or an expanded state at different temperatures. The support is simple in structure, convenient to operate and use and capable of being used in cooperation with an existing universal outer sleeve vertebral body forming instrument, the economic cost is obviously reduced, the effect of supporting the vertebral body can be achieved only through the support, bone cement does not need to be filled, and therefore the leakage problem of the bone cement is avoided; burning damage of bone cement to nerves and other tissues is effectively prevented, surgical pain of a patient can be effectively relieved, and postoperative complications of the patient are reduced.

The invention discloses a needle-withdrawing and line-leading suture instrument, which comprises a suture instrument shell, lifting and pulling connecting rod mechanisms, annular needles and line-leading locking mechanisms, wherein the suture instrument shell is in a cylinder-shaped structure; the lifting and pulling connecting rod mechanisms are arranged in the suture instrument shell; driving operating ends of the lifting and pulling connecting rod mechanisms are arranged at the upper part of the suture instrument shell; and driven executing ends of the lifting and pulling connecting rod mechanisms are connected with the annular needles and are arranged on a bottom plate of the suture instrument shell; a needle going bottom hole is arranged in the bottom plate of the suture instrument shell; and the line-leading locking mechanisms are arranged in positions in the periphery of the bottom plate of the suture instrument shell, which are corresponding to the annular needles. During intestinal tract rerouting surgery, the suture instrument operates the annular needles outside an abdominal cavity through the lifting and pulling connecting rod mechanisms so as to thread the needles and lead lines in lumen tissue of an abdominal wall, multiple suture lines can be simultaneously led out of a human body around a cut wound, the line leading efficiency is improved, the surgical time is shortened and surgical pain of patients is reduced, so the needle-withdrawing and line-leading suture instrument can be widely used in surgery such as intestinal tract rerouting and the like.

The invention relates to an open type prostate puncture phantom, belongs to the technical field of medical instruments and medical education models, and solves the problems of single and fixed structure and low puncture simulation accuracy of a prostate ultrasonic phantom in the prior art. The phantom comprises an external framework unit and an internal tissue unit, the internal tissue unit is arranged in the external framework unit, the external framework unit comprises a puncture plate, the puncture plate comprises a sliding groove frame, a puncture frame and a guide frame, the two ends of the sliding groove frame are in sliding connection with the puncture frame, and the guide frame is in sliding connection with the sliding groove frame. The two ends of the sliding groove frame are in sliding connection with the puncture frame, the guide frame is in sliding connection with the sliding groove frame, the approach posture of the puncture needle is measured, whether a target is punctured or not is judged, the puncture precision is evaluated, the puncture path can be freely planned in the plane, continuous puncture in the plane is achieved, and the puncture simulation accuracy is improved.

The invention discloses wearable electrocardiogram monitoring equipment. The electrocardiogram monitoring equipment comprises a single-lead electrocardiogram device and a wearable device, wherein thesingle-lead electrocardiogram device is used for being attached to the heart position; the wearable device is used for being worn on the wrist of a patient; the single-lead electrocardiogram device collects electrocardiogram signals and sends the electrocardiogram signals to a cloud end, and the cloud end analyzes the electrocardiogram signals and sends an analysis result back to the wearable device; and a display screen on the wearable device displays a judgment result, a prompt lamp flickers, a loudspeaker gives out a prompt tone and a vibrating head vibrates so that the patient with a heartdisease can be informed and reminded of the state of the heart and taking medicines in time to inhibit the heart disease. The wearable electrocardiogram monitoring equipment has the advantages that installation is convenient, and surgical pain of the patient is relieved; the wearable electrocardiogram monitoring equipment can be taken down quickly when needing to be replaced, and damage to the heart of the patient is small; and through the equipment, the patient can be reminded of taking medicines in time.

A buck-boost voltage stabilizing circuit for an electric anastomat disclosed by the present invention is composed of an SEPIC circuit, a sampling circuit and an enabling circuit, wherein a sampling DC-DC boost chip is arranged on the SEPIC circuit, the enabling circuit is arranged at the input voltage end of the SEPIC circuit, the sampling circuit is arranged at the output voltage end of the SEPICcircuit. The sampling DC-DC boost chip outputs a variable duty ratio control signal according to the change of the input voltage of the SEPIC circuit and the output voltage of the SEPIC circuit, andthe variable duty ratio control signal is output from a switch output pin of the sampling DC-DC boost chip so as to drive the SEPIC circuit; the SEPIC circuit adjusts the output voltage in real time according to the control signal of the DC-DC boost chip; the input voltage end of the SEPIC circuit is provided with an isolation diode. The buck-boost voltage stabilizing circuit stabilizes power supply and provides a stable power supply for the control circuit.

The invention discloses a subcutaneous embedding thread for treating epilepsy. The embedding thread is composed of raw material medicine including phenytoin sodium, carbamazepine and lamotrigine and ingredient medicine including sodium methyl cellulose, polylactic acid and polyethylene glycol. The embedding thread is a cylindrical embedding thread with a biodegradable material as a carrier, and the cylindrical embedding thread is prepared by mixing the biodegradable material and medicine for treating epilepsy. Compared with common monotonous medicine for treating epilepsy, the treatment effectof the embedding thread is better, the embedding thread is slowly degraded after being embedded for three years, the application time of the embedding thread is long, frequent surgical injection is not needed, and the surgical pain of a patient is reduced.

The invention discloses a scleral buckling belt threading device. The scleral buckling belt threading device comprises a threading device body and further comprises a head part and a tail part which are connected to the two ends of the threading device body respectively. The head part is of a clamp-shaped structure which can clamp a scleral buckling belt and can be opened and closed. According to the scleral buckling belt threading device, the scleral buckling belt is clamped through the head part in the operation process, the scleral buckling belt is driven to penetrate through the portion below the rectus eye muscle when the threading device penetrates through the portion below the rectus eye muscle, and therefore the buckling operation can be quite easy, the operation complexity is lowered, the operation time is saved, and the operation pains of patients are reduced. The scleral buckling belt threading device is simple in design, low in cost, capable of ensuring quality and high in practicability.

The invention discloses a mechanical arm for a thoracoscope. The mechanical arm comprises a wireless camera, a magnet, a remote controller, a controller, a battery, a first mounting plate, a second mounting plate, a substrate, a first electric telescopic rod, two clamping rods and two connecting rods. The magnet generates attraction to the substrate in the first mounting plate. The second mountingplate is arranged on the lower surface of the first mounting plate, and an interlayer for mounting the battery box and the controller is arranged between the first mounting plate and the second mounting plate. The wireless camera is arranged on the lower surface of the second mounting plate, and the battery, the controller, the wireless camera and the first electric telescopic rod are electrically connected. One end of the first electric telescopic rod is arranged on the lower surface of the second mounting plate, the other end of the first electric telescopic rod is hinged to one ends of twoconnecting rods, and the other ends of the two connecting rods are hinged to the middles of the two clamping rods. One ends of the two clamping rods are hinged to the lower surface of the second mounting plate, and the other ends of the two clamping rods are provided with supporting pieces. The mechanical arm is simple in structure and easy to operate, and the remote controller can stretch out and draw back the first electric telescopic rod to force the two supporting pieces to get close or separate.