18results about How to "Reduce complication rate" patented technology

The invention discloses an intestinal anastomotic stoma protection device and a use method thereof, belongs to the technical field of medical instruments, and solves the problems that in the prior art, an air bag can slide out of a supporting tube in the use process, and the supporting tube cannot be synchronously disintegrated. The device comprises a support tube fixed in an intestinal tract at the front end of an anastomotic stoma, a blocking mechanism arranged in the support tube and used for blocking the circulation of intestinal content and preventing the intestinal content from flowing through the inner wall of the support tube, and a limiting mechanism arranged on the inner wall of the support tube and used for preventing the blocking mechanism from sliding, the disintegration mechanisms are respectively arranged at two ends of the supporting pipe and are used for synchronously disintegrating the supporting pipe and the limiting mechanism. The limiting mechanism is arranged on the inner wall of the supporting tube, the limiting mechanism abuts against one end of the blocking mechanism, the blocking mechanism is prevented from slipping off in the using process, and the situation that contents are left in the intestinal tract through the anastomotic stoma and the supporting tube to be disintegrated automatically is avoided, the disintegration mechanism is arranged on the supporting tube, and the disintegration mechanism can facilitate synchronous disintegration of other parts of the protection device.

The invention relates to a dilator and a vascular sheath, which can solve the pain points such as blood leakage of a puncture point and occurrence of pseudoaneurysm clinically. The dilator comprises a head, a driving mechanism, a suturing mechanism, an electromagnetic mechanism and a sleeve. The driving mechanism comprises an operating part, a connecting rod and an opening-closing assembly, the near end of the connecting rod is connected with the operating part, the far end of the connecting rod is connected with the opening-closing assembly, and when the operating part moves relative to the head, the opening-closing assembly is unfolded or folded; the suturing mechanism is arranged on the opening and closing assembly and comprises a plurality of needle grooves and suturing needles; the sleeve comprises an outer tube and a catheter, the connecting rod is sleeved with the outer tube, the near end of the outer tube is connected with the head, the catheter penetrates through the connecting rod, and the near end of the catheter is connected with the head; the electromagnetic mechanism is arranged on the head part and comprises an electromagnetic control circuit with a control switch and an electromagnetic chuck, and the electromagnetic control circuit is used for enabling the electromagnetic chuck to generate magnetism; when the opening and closing assembly is in an unfolded state, an opening of the needle groove faces the electromagnetic chuck, and the suture needle is located at the position where the suture needle can be attracted by the electromagnetic chuck.

This invention provides a single-operated duodenal sphincter cutter, comprising: an outer sheath, a guidewire, a metal wire, and a handle. The guidewire is inserted into the interior of the outer sheath through its wall and exits from its tip. The handle is connected to the tail of the outer sheath. One end of the metal wire is fixedly connected to the front of the outer sheath, and the other end is inserted into the interior of the outer sheath and connected to the handle. This invention features a dual-channel tube, with the guidewire entering the guidewire channel through the side wall. Its outer diameter is thinner than that of a conventional three-channel tube. The guidewire is led out through the side wall of the tube. With the outer sheath fixed in place, the operator can insert the guidewire into the common bile duct or pancreatic duct without the assistance of an assistant, increasing the success rate of cannulation.

The invention relates to the technical field of traditional Chinese medicine aromatherapy, in particular to an aromatherapy composition for treating peripheral phlebitis through transdermal absorption as well as a preparation and application of the aromatherapy composition. According to the aromatherapy composition and the preparation thereof, the peripheral superficial phlebitis is subjected to transdermal treatment through traditional Chinese medicine aromatherapy, the total effective rate of 24-hour treatment is 100%, the cure rate is 55%, the cure rate in 48 hours is 97.5%, phlebitis grading reduction is marked as grading difference, the sum of grading differences of 40 patients is 125, and the treatment effect on the peripheral superficial phlebitis is obvious compared with that of traditional and common methods. Compared with a traditional treatment method, the traditional Chinese medicine composition can greatly shorten the treatment time, quickly relieve pain and reduce the occurrence rate of complications, the curative effect is stable and reliable, and the compliance, comfort and acceptability of a patient in the treatment process are very good.

The present application belongs to the technical field of kits, and particularly relates to a detachable kit for parathyroid blood supply detection, which comprises a box body, an openable box cover arranged at the top of the box body, a developing solution injection mechanism, a liquid medicine injection mechanism and a three-way connecting mechanism arranged in the box body, a first end of the three-way connecting mechanism being connected with the developing solution injection mechanism, a second end of the three-way connecting mechanism being connected with the liquid medicine injection mechanism, and a third end of the three-way connecting mechanism being used for connecting a remaining needle, the three-way connecting mechanism being capable of being switched between a developing solution injection function and a reagent injection function. The kit designed in the present application is used in cooperation with developing reagents such as indocyanine green aqueous solution, and can guide a doctor to make a decision on whether to retain or transplant parathyroid glands, or help the doctor to find a position of a parathyroid adenoma to be removed during a total thyroidectomy and central lymph node dissection surgery or a parathyroid adenoma resection surgery. The device can be repeatedly used, material is saved, the environment is protected, mechanical injection is achieved, and efficiency is high.

The invention relates to an anti-fogging self-cleaning laparoscope which is characterized in that a transparent glass sheet is fixedly arranged at the outer end of an objective lens at the far end of the laparoscope, and a closed carbon dioxide gas groove is formed in a gap between the transparent glass sheet and the objective lens; an air inlet pipeline is fixed along the inner wall of an outer tube of the laparoscope, a corresponding air inlet hole is formed in the near end of the air inlet pipeline, and the far end of the air inlet pipeline penetrates through the objective lens and extends into the carbon dioxide gas groove; a gas outlet pipeline is fixed along the inner wall of the outer tube of the laparoscope, the far end of the gas outlet pipeline extends into the carbon dioxide gas groove, and the near end of the gas outlet pipeline exhausts gas through a gas exhaust hole; and the air inlet is externally connected with a carbon dioxide air source. The laparoscope solves the technical problems that an existing laparoscope is prone to causing fogging of an objective lens and infection of tissue fluid in a minimally invasive abdominal surgery, consequently, the surgical field is blurred, and surgical operation needs to be interrupted due to the fact that a real-time processing function does not exist.

This invention proposes a multi-degree-of-freedom gastrointestinal surgical robot system, belonging to the field of medical robot technology. It includes a platform with a pair of guide rails on its end face; a main arm drive device mounted on the platform, its output end connected to one end of the main arm to provide power to the main arm, which is hollow inside; a deployment mechanism mounted on the other end of the main arm away from the platform; two sub-arm drive devices respectively mounted on the platform and slidably connected to the guide rails; the output ends of the two sub-arm drive devices pass through the main arm and extend into the deployment mechanism to provide power to the deployment mechanism; the deployment mechanism includes a snake-bone tube and a force-sensitive elastomer clamping unit. The snake-bone tube includes several sequentially arranged rotary joints, adjacent rotary joints are hinged together, the interior of the first rotary joint communicates with a channel inside the main arm, and the last rotary joint is connected to the force-sensitive elastomer clamping unit. Clamping force and three-dimensional force sensing are achieved through inverse kinematics calculation.

The application discloses an automatic vagina closing and cutting instrument under a laparoscope and belongs to the technical field of medical instruments. The instrument comprises an operation handle, a sleeve, a clamping assembly, a cutting assembly, a rotating sleeve, a liquid storage sleeve, an adapter assembly, a protective sleeve and a sealing assembly. The sleeve is fixed to the outer side of the output end of the operation handle. The clamping assembly is arranged on the inner side of one end of the sleeve. The cutting assembly is used for cutting the vagina. The rotating sleeve is arranged outside the sleeve. The liquid storage sleeve is arranged on one end of the rotating sleeve and is in sliding connection with the sleeve. The adapter assembly is arranged on the inner side end of the liquid storage sleeve. One end of the protective sleeve is fixedly connected with the end of the liquid storage sleeve, which is far away from the operation handle. The fitting assembly is used for increasing the fitting property of the protective sleeve and the residual end of the vagina. The sealing assembly is arranged in the opening end of the protective sleeve. The movable protective sleeve is arranged outside the sleeve. The protective sleeve is tightly fitted with the residual end of the vagina through the fitting assembly. The risk that tumor cells enter the abdominal cavity through the open vagina is effectively blocked. The probability of abdominal cavity implantation and metastasis in the malignant tumor operation is remarkably reduced.

An assembly for implementing spinal puncture comprises an auxiliary positioning membrane, a base and a tubular puncture guide rod. When in use, the auxiliary positioning film is attached to the skin of a to-be-operated area of a patient, and CT scanning is carried out. And the base is arranged at a proper position of the auxiliary positioning film according to the result, and the puncture guide rod is assembled with the base. An operator adjusts the inclination angle of the puncture guide rod and the needle inserting angle for guiding the puncture needle to conduct puncture by means of the auxiliary protractor, the puncture depth can be determined through the relation between the outer opening of the guide tube and the scales on the puncture needle, and therefore the puncture accuracy is effectively improved, and the repeated puncture situation is reduced. Clinical verification shows that when the assembly is applied to clinic as a medical instrument, repeated puncture can be reduced, the occurrence rate of complications caused by repeated puncture or mistaken puncture can be reduced, the operation time is reduced by about 50%, the number of radioscopy times increased by repeated puncture positioning is effectively reduced, and the working efficiency is improved. The radiation exposure dose of the patient is reduced.

The application discloses a vein puncture blood vessel intelligent positioning method and system based on multi-modal fusion, relates to the technical field of medical assistance and artificial intelligence, and comprises the following steps: collecting an original blood vessel image by means of an infrared imaging device and performing pretreatment; inputting a standardized blood vessel image into a deep learning model and a multi-modal large language model respectively for parallel analysis, outputting a first candidate puncture point set and a second candidate puncture point set; performing spatial alignment on the double-path candidate points, combining depth sensor data to construct a three-dimensional blood vessel network topology structure, screening an optimal puncture point through weighted fusion and clinical rule arbitration, and calculating a needle insertion angle and depth; and projecting guide information to the surface of the skin of a patient by means of a laser projection or AR display device and performing real-time calibration. The application significantly improves the accuracy, safety and individual adaptability of puncture point selection, and is suitable for clinical puncture operation and nursing teaching scenes.

The invention discloses a ureter guiding sheath with an intelligent control medical perfusion pump and a preparation method, a system structure comprises a guiding pipe, the perfusion pump, a driving mechanism and a control system, the control system comprises a data processing module and a sensor module, the sensor module comprises a grouting flow velocity sensor and a human body pressure sensor, and the grouting flow velocity sensor is connected with the human body pressure sensor. The method comprises the following steps: preparing the guide sheath main body; preparing a guide tube; preparing a filling pump; preparing a control system; a guide tube, a perfusion pump and a control system are assembled together to form the ureter guide sheath with the intelligent control medical perfusion pump. The perfusate flow can be intelligently controlled, the ureter injury risk is effectively reduced, and the operation safety is improved; the perfusate flow is monitored in real time, so that a doctor can know the perfusate flow condition in time and adjust an operation scheme; the operation is convenient, the surgical operation is simplified, and the surgical efficiency is improved.

The invention provides an L5 / S1 minimally invasive intervertebral disc radiofrequency ablation operation path planning method and device based on an MR image. The method comprises the following steps that MRI data of an object in a DICOM format are obtained; preprocessing the data; modeling a path planning environment, and inputting data into a modeled model to obtain a modeled path planning environment; according to the obtained path planning environment, performing tetrahedron subdivision on the to-be-ablated 3D sub-model of the protrusion of intervertebral disc, and selecting an effective ablation target spot; constructing a candidate path; performing hard constraint condition detection and soft constraint condition detection on the candidate path to obtain an optimal path; and outputting the path planning environment and the optimal path. And the determined operation path can reduce the operation risk and the occurrence rate of complications while ensuring the operation effect. Clinical information such as cross section angulation, coronal plane angulation and sagittal plane angulation is additionally provided, and working efficiency and decision quality are improved.

This invention proposes a multi-degree-of-freedom gastrointestinal surgical robot system, belonging to the field of medical robot technology. It includes a platform with a pair of guide rails on its end face; a main arm drive device mounted on the platform, its output end connected to one end of the main arm to provide power to the main arm, which is hollow inside; a deployment mechanism mounted on the other end of the main arm away from the platform; two sub-arm drive devices respectively mounted on the platform and slidably connected to the guide rails; the output ends of the two sub-arm drive devices pass through the main arm and extend into the deployment mechanism to provide power to the deployment mechanism; the deployment mechanism includes a snake-bone tube and a force-sensitive elastomer clamping unit. The snake-bone tube includes several sequentially arranged rotary joints, adjacent rotary joints are hinged together, the interior of the first rotary joint communicates with a channel inside the main arm, and the last rotary joint is connected to the force-sensitive elastomer clamping unit. Clamping force and three-dimensional force sensing are achieved through inverse kinematics calculation.

The utility model discloses an auxiliary carpal bone removal tool which comprises an operation handle, stripping assemblies arranged at the two ends of the operation handle, a limiting assembly installed on the inner wall of the operation handle and an anti-skid assembly installed on the surface of the operation handle. According to the carpal bone extirpating device, medical workers can conveniently carry out carpal bone extirpating treatment, different extirpating parts can be replaced according to the use condition, meanwhile, the limiting assembly is arranged on the operation handle, the adjusted extirpating rod can be conveniently limited, the stability of the adjusted extirpating rod can be improved, and the anti-skid assembly is arranged on the operation handle, so that the medical workers can conveniently extirpate the carpal bone. The auxiliary carpal bone removal tool is simple in structure and convenient to use, reduces the anti-slip performance during operation, facilitates better operation of medical staff, has the advantages of being small in trauma and short in operation time, and can effectively reduce the postoperative recovery time and the complication occurrence rate of a patient.

The invention relates to the technical field of food beverages, in particular to a formula and a preparation process of a hydrolyzed protein liquid beverage, the formula of the hydrolyzed protein liquid beverage comprises protein, a supplement and a conditioning agent, the supplement is selected from one or more of calcium hydroxybutyrate, leucine, isoleucine and valine, and the conditioning agent is selected from one or more of calcium hydroxybutyrate, leucine, isoleucine and valine. The regulator is selected from one or more of gamma-aminobutyric acid, glycine, taurine, 5-hydroxytryptamine and beta-aminobutyric acid; peptide molecules contained in the hydrolyzed protein liquid beverage disclosed by the invention can quickly enter blood circulation through intestinal tracts; for a patient in a hypoproteinemia state before and after an operation, rapid and effective protein supplement is crucial, postoperative recovery is promoted, and the occurrence rate of complications is reduced; for traumatic injuries such as fracture, burn and the like, timely supplement of high-quality protein components is a key for accelerating wound healing and tissue repair.

The invention relates to the technical field of medical treatment, in particular to a novel scheme for treating secondary spontaneous pneumothorax in an operation mode. The method comprises the following steps: step 1, operation preparation: all operations are carried out under vein composite anesthesia and double-lumen trachea intubation, continuous end-expiratory carbon dioxide monitoring and multiple arterial blood gas analysis are carried out in the operations to adjust the respiratory rate, and if the monitored blood gas analysis PaCO2 is greater than 70mmHg or (and) PaO2 is less than 90% in the operations, double-lung small tidal volume ventilation is carried out; step 2, designing an operative incision: the incision is positioned between the fourth rib or the fifth rib of the anterior axillary-midline, the incision is about 3.0-3.5 cm, and a thoracoscope light source and an operating instrument are placed through a single hole; step 3, treating emphysema and pulmonary bullosa: firstly separating a thoracic cavity adhesive tape, and when the emphysema and the pulmonary bullosa have no lung collapse, using an energy instrument (electric hook incision) to cause lung atrophy; not ligating all bulloids, and centrally ligating lung bulloids and emphysema tissues located at 1 / 3 of the periphery of the lung; step 4, desquamation of the wall layer pleura: gradually separating the wall layer pleura from a chest wall muscle layer gap along the inner side of the incision, and desquamation by using a pair of joint forceps and a pair of separating forceps.

The application relates to the field of orthopedic fixing splints, in particular to an orthopedic fixing splint device and a using method, which comprises two main sleeves in ring-shaped clamping, and a plurality of semicircular sub-sleeves are arranged on the two sides of the main sleeves; an arc-shaped splint for clamping a limb is movably arranged in the main sleeve. The orthopedic fixing splint device can realize the alternate expansion and contraction switching of two arc-shaped splints on the same side by rotating the limiting screw and pushing and pulling the adjusting arc plate, changes the clamping stress point of the fractured area of the limb, effectively avoids the problems of ischemia, numbness, pressure sores and even ulceration of the local skin caused by long-term pressure, reduces the incidence of skin complications during fixation, and adapts to the wearing demand of the long healing period of the fracture.

The present invention relates to the technical field of teaching and training models, and specifically discloses a vascular intervention teaching and training model, including a teaching model body; a vascular model; a trigger component, the trigger component is located outside the vascular model; and a simulation component, the simulation component is located outside the vascular model. The vascular intervention teaching and training model monitors the impact force of a catheter on the inner wall of the vascular model at different pushing speeds in real time through the trigger component. The simulation component adjusts the inner diameter of the vascular model and the viscosity of the fluid flowing in the blood vessel according to the impact force detected by the trigger component. By simulating the changes in the blood in the blood vessel when vascular spasm or thrombosis occurs, the doctor's hand feeling for pushing the catheter is trained, and the doctor's perception of the change in the blood resistance in the blood vessel when pushing the catheter is improved. In actual surgery, by sensing the changes in the blood in the blood vessel, the doctor can promptly discover the sudden situation and respond accordingly, thereby reducing the patient's surgical risk and complication rate.