31 results about "Surgery.trauma" patented technology

The invention discloses a cheekbone and zygomatic arch fracture reduction guide plate, and relates to the technical field of cheekbone and zygomatic arch reduction, the cheekbone and zygomatic arch fracture reduction guide plate comprises a guide plate body and a fixing structure, the guide plate body is provided with an attaching inner surface matched with the anatomical form of an affected side cheekbone and zygomatic arch bone surface in a target reduction form; the fixing structure is arranged on the guide plate body and used for fixing the guide plate body to the healthy bone surface around the zygomatic arch of the diseased side cheekbone, the problems that in the prior art, operation trauma is large, accuracy is low, the reduction effect is not ideal and the like are solved, and the zygomatic arch fracture reduction fixing operation is completed accurately, safely and efficiently.

The invention relates to the field of auxiliary instruments for wrist arthroscopic surgery, and particularly discloses a wrist arthroscopic channel stabilizing device which comprises a groove type sleeve made of a disposable vein infusion tube, the tube wall of the groove type sleeve is cut off in the longitudinal direction to form an open groove, the two ends of the groove type sleeve are cut to be smooth, and the length of the groove type sleeve is suitable for a wrist arthroscopic surgery approach; by establishing the stable channel, the instrument can freely slide along the groove wall of the stable channel, repeated friction and injury of the surgical instrument to subcutaneous tissues around an approach, such as joint capsules, blood vessels, nerves and tendons, are effectively avoided, surgical wounds are remarkably reduced, multiple times of access of the same channel can be ensured, no tissue implication is caused, and the surgical efficiency is improved. By the adoption of the structure, intra-articular operation can be rapidly transferred to be conducted outside the joint, the annular design reduces compression damage to channel tissue, it is guaranteed that the sleeve always exists, and the open type notch design enables an operation instrument to obtain a free operation space.

The invention discloses a facial ligament lifting method, which comprises the following steps of S1, accurately marking a subcutaneous attachment end or a body surface projection area corresponding to a target facial ligament on the surface of facial skin on the basis of facial anatomical positioning and anatomical walking of the target facial ligament, so that the subcutaneous attachment end or the body surface projection area corresponding to the target facial ligament is accurately marked on the basis of facial anatomical positioning; acting force is accurately focused on the target ligament through a special instrument, and surrounding tissue is prevented from being damaged. The whole process is only operated on the skin surface, no incision or implantation is needed, surgical wounds and wire foreign matter risks are thoroughly avoided, the composite force can be effectively conducted to the deep ligament to enable the deep ligament to generate controllable folding deformation, stable fixation is achieved through a subsequent biological healing mechanism, ligament relaxation is fundamentally improved, the effect is more natural and lasting, and the application range is wide. Due to the fact that skin breaking is not needed and energy is controllable, the operation safety is greatly improved, and dynamically-adjusted mechanics and selectable hot-cold collaborative procedures aim at optimizing experience and ensuring the comfort degree of the process.

The invention relates to an AI-assisted lumbar intervertebral disc resection visual navigation device with a postoperative care monitoring function, and belongs to the technical field of medical equipment.The AI-assisted lumbar intervertebral disc resection visual navigation device comprises an AI assisting module, a visual navigation module, a postoperative care monitoring module and a data processing and transmission module, and the AI assisting module is internally provided with an image recognition model and a risk prediction model; the system is used for performing lesion recognition and positioning on image data of a patient before an operation, performing operation risk assessment in combination with multi-source information of the patient, and overlapping and displaying the operation risk in a three-dimensional model to realize real-time navigation in the operation, the AI auxiliary module realizes accurate lesion positioning and risk quantitative assessment, and the visual navigation module provides real-time guidance with the precision smaller than or equal to 0.5 mm. The postoperative nursing monitoring module achieves all-around real-time monitoring of physiological parameters, wound states and rehabilitation training, and the abnormity early warning subunit discovers the risks in time and treats suggestions in a grading mode to improve nursing pertinence.

The invention discloses an arthroscope positioning method and system for knee joint minimally invasive surgery. The anatomical mark points are recognized and tracked in real time through the operation video stream collected by the arthroscope camera in combination with the computer vision algorithm. The pre-planned ideal bone tunnel position and the anatomical marker in the real-time image are accurately registered, so that the system can dynamically generate surgical navigation information and visually display the position of the entrance point of the bone tunnel. According to the scheme, dependence of a traditional navigation system on a special surgical instrument and a complex calibration process is avoided, the visual field of the arthroscope familiar with a surgeon can be fully utilized, and more visual and convenient surgical guidance is provided, so that the surgical precision and efficiency are remarkably improved, and the risk of surgical wounds and complications is reduced.

The invention relates to the technical field of medical instruments, in particular to a 3D (three-dimensional) biological knee joint and a preparation method thereof.The 3D biological knee joint comprises a femoral condyle component, a tibia support component, a meniscus component and a patella component; according to the method, individualized knee joint data of a patient is obtained through CT / MRI scanning, reverse modeling is conducted in combination with Mimics software, a precisely-matched prosthesis three-dimensional model is generated, and the success rate is increased; based on specific anatomical features of a patient, adaptability errors of a traditional standardized prosthesis are avoided, operative wounds are reduced, and the initial stability of the prosthesis and a bone interface is improved. According to the invention, through the combination of technological processes such as individualized modeling, gradient functional coating, multi-process printing and post-treatment, the defects of a traditional knee joint prosthesis are overcome, and the properties such as remarkably improved biocompatibility, excellent antibacterial property, optimized mechanical matching property and accurate individualized adaptation are improved.

The invention relates to the technical field of medical treatment, and discloses a postoperative rectum finger force stimulation method which comprises the following steps: step 1, targeted excitation work of stomach colon reflex: remotely starting colon group movement mainly by simulating physiological feeding stimulation; and 2, after the step 1 is completed, executing broad-spectrum enhancement work of the intestinal tract body peristalsis function through preset physiological response delay time, mainly enhancing and maintaining the intensity and duration of the intestinal tract peristalsis wave excited by the previous steps through composite physical and chemical stimulation. Through four steps, a plurality of links such as stomach colon reflex excitation, whole intestinal tract movement enhancement, rectum end pre-sensitization and key nerve reflex accurate triggering are organically integrated, and a complete manual intervention system is constructed and used for simulating and repairing a normal defecation physiological chain interrupted by an operative wound; and the method has high systematicness, logicality and synergy.

The invention discloses a multi-parameter monitoring pressure-adjustable recoverable hydrocephalus shunting device and a treatment method, and belongs to the technical field of medical instruments. The device comprises a shunt pipe assembly and a recovery device. The shunt tube assembly forms a cerebrospinal fluid shunt passage from a ventricle to veins, a front-end brain pressure monitoring module, an automatic pressure regulation flow rate valve, a central processing and transmission module and a multi-parameter function monitoring module are integrated, and automatic regulation and control of intracranial pressure and real-time monitoring of multiple parameters of thrombus, blood pressure and blood oxygen are achieved. The flow velocity of cerebrospinal fluid is autonomously adjusted through the automatic pressure adjusting flow velocity valve according to dynamic changes of intracranial pressure, traditional manual adjustment is replaced, and adjustment and control accuracy and timeliness are improved; meanwhile, the shunt tube is safely and conveniently replaced through a magnetic recovery structure, and operation wounds and infection risks are reduced. The system is suitable for precise treatment and postoperative comprehensive monitoring of adult hydrocephalus.

Methods and devices for the nasal administration of compositions comprising glutathione trisulfide (GSSSG), pantethine trisulfide (PTN-SSS), or lipoic acid trisulfide (LA-SSS) in neuroprotection, e.g., in neurodegenerative diseases and to reduce the risk of ischemic injury. The methods can be used, e.g., to reduce risk of injury to brain, spinal cord, and peripheral nerves from ischemia or low blood flow states possibly caused by surgery, trauma, and other conditions that decrease / impair blood flow and or oxygen delivery to the nervous system.

The utility model relates to the technical field of hand and foot surgery, and discloses a hand and foot surgery minimally invasive operating table which comprises a fixing plate, a base is fixedly connected to the middle of the upper surface of the fixing plate, a fixing column is fixedly connected to the middle of the upper surface of the base, and an operating table body is fixedly connected to the top of the fixing column. According to the minimally invasive surgery operating table, a doctor can observe a surgical site more clearly through the arrangement of the camera device, so that the accuracy and safety of a surgery are improved, due to the design of the minimally invasive surgery operating table, a surgical incision is smaller, surgical wounds are reduced, and a patient can recover more quickly; the operating table is provided with various auxiliary devices such as a drainage groove and a bandage, the limbs of a patient can be better fixed, dirty liquid generated in the operation process can be better collected, the surface of the operating table is kept relatively dry, the liquid is prevented from affecting the operation, and meanwhile cleaning work after the operation is facilitated.

The invention is applied to the technical field of medical treatment, and discloses a thoracic surgery postoperative complication intelligent prediction system, which comprises a data acquisition and transmission module, a feature extraction and model training module, a real-time monitoring and prediction module and a decision support module. According to the intelligent prediction system for the postoperative complications of the thoracic surgery department, the flexible silica gel intelligent pectoral girdle integrating the pulse oximeter, the respiratory rate sensor and the micro-pressure sensor is adopted, and continuous and real-time collection of physiological data such as the heart rate, the blood oxygen saturation degree, the respiratory rate and the thoracic tiny pressure change is achieved; the problem of prediction lag caused by traditional intermittent manual monitoring is solved, the endurance of equipment reaches 72 hours or above, the integrity and comfort of data acquisition are ensured by combining a low-power reminding function, the monitoring effect is prevented from being influenced by equipment defects, key information such as operation types, duration and bleeding amount is automatically obtained through a hospital information system (HIS), and the operation efficiency is improved. The postoperative physiological status and the operative wound influence of the patient are comprehensively reflected.

The utility model belongs to the technical field of orthopedic instruments, particularly relates to a hollow traction needle giving consideration to reduction and fixation, and solves the problems of complex operation, insufficient reduction precision and unstable fixation in the traditional fracture reduction and fixation process. A hollow traction needle with resetting and fixing functions comprises a fixing guider, a positioning needle, a guide needle and a hollow screw, and the fixing guider is provided with a main body and a handle arranged on the main body; a first through hole and a second through hole are formed in the length direction of the main body in a penetrating manner; the handle is held by an operator; the positioning needle is configured to be implanted into the bone through the second through hole so as to fix the angle and the position of the fixed guider; the guide pin is configured to be implanted into the bone through the first through hole; the hollow screw is provided with a center channel, can be arranged on the guide pin in a sleeving mode and is configured to be implanted into the bone through the first through hole under the guidance of the guide pin. The traction and internal fixation device has traction and internal fixation functions, can provide a stable fixation effect during fracture reduction, reduces operative wounds, and reduces postoperative complications.

The utility model provides an integrated internal iliac sitting steel plate of resetting and fixing relates to rehabilitation tool technical field, including bevel angle plate body, connecting plate body and arc-shaped plate body, connecting plate body is connected with one end of bevel angle plate body, arc-shaped plate body is connected with one end of connecting plate body, the inner side of arc-shaped plate body is provided with the inner extension bulge, the inner side of arc-shaped plate body is provided with the inner extension bulge, the inner side of arc-shaped plate body is provided with the outer extension bulge. An inner groove is formed in the inner side of the inner extending bulge; a plurality of groups of fixing holes are formed in the oblique angle plate body, the connecting plate body and the arc-shaped plate body; the anterior approach surgery fixing plate is composed of the oblique angle plate body, the connecting plate body and the arc-shaped plate body, the oblique angle plate body is matched and fixed with an iliac wing, the arc-shaped plate body is matched and fixed with an arcuate line, and the inward extending protrusion is matched with the inner groove to be matched and fixed with an ischial large incisura, so that the anterior approach surgery is matched, the treatment effect can be improved, and surgical wounds are reduced; the rehabilitation curve is shortened, and considerable social and economic benefits are achieved.

This invention discloses a foreign body removal device, belonging to the field of medical auxiliary device technology. The device includes a malleable support, a connecting rod, and a flexible wrapping band. One end of the connecting rod is connected to the malleable support, and the other end has a handle ring. The malleable support is made of medical-grade stainless steel or titanium alloy closed elastic metal ring, which can be bent and shaped while maintaining its form. Its surface is smooth and polished, the ends are rounded, and it is coated with a hydrophilic coating. The flexible wrapping band is made of medical-grade sterile degreased cotton cloth or non-woven fabric, fixed to the outer periphery of the support and featuring anti-slip texture. In use, the support adapts to the physiological curvature of the rectum to bypass the foreign body, guiding the flexible wrapping band to completely wrap the foreign body. It can then be safely expelled by pulling with the handle. This invention has advantages such as strong adaptability, stable clamping, minimal mucosal damage, and simple operation. It is suitable for minimally invasive removal of various rectal foreign bodies such as plastic, glass, silicone, and fruit pits, reducing surgical trauma and the risk of complications.

The invention discloses a magnetic sleeve for replacing a tong head in an abdominal cavity and a using method, the magnetic sleeve comprises a sleeve body, two ends of the sleeve body are respectively provided with a cavity, a tong head can be arranged in each cavity, and the sleeve body is integrally formed by a magnetic material. Two forceps heads can be carried at a time to enter the abdominal cavity, replacement of the forceps heads can be completed under the condition that an instrument does not leave the abdominal cavity, the situation that the forceps heads of one type are adopted for operation all the time is avoided, the risk that the surgical field is interrupted due to replacement of the forceps heads is also avoided, and the surgical efficiency is improved; the position of the magnetic sleeve in the abdominal cavity is moved in a magnet mode, the acting force of a magnetic field does not bring extra operation wounds to a patient, special operation equipment does not need to be added, and the forceps head can be replaced in a noninvasive mode.

The invention provides a construction method and application of a spontaneous thin uterus mouse model. The mouse model constructed by the invention can spontaneously and stably show thin endometrial pathological characteristics highly consistent with clinical characteristics, is clear in pathogenesis, highly simulates clinical characteristics, does not need any external injury operation, and completely eliminates interference of unstable factors such as operative wounds, inflammatory reactions, non-specific adhesion and the like. The invention provides an efficient and reliable in-vivo screening and verification platform for developing a novel treatment strategy aiming at the thin endometrium, and has important clinical application potential and scientific value.

A device, system and method for neural stimulation, and a storage medium. The device comprises: a stimulation control module, which is disposed outside of a biological body, and is used for generating a stimulation instruction; a remote control module, which is disposed outside of the biological body, is in communication connection with the stimulation control module, and is used for generating a module activation instruction for activating the stimulation control module; and an electrode module, which is used for being implanted into the biological body, and is in communication connection with the stimulation control module, so as to execute the stimulation instruction sent by the stimulation control module. By means of the solution, intervention can be performed in a timely manner when a patient foresees risks, so as to reduce potential risks; and the volume of an implanted part can also be reduced, thereby reducing surgical trauma and also breaking through power consumption limits, and thus neural stimulation therapy with a better effect is implemented by using an algorithm with a higher precision.

The invention discloses multifunctional rapid shape memory composite frozen gel as well as a preparation method and application thereof, and belongs to the technical field of medical material preparation. According to the invention, pig small intestine submucosa (SIS) and polyurethane are subjected to composite crosslinking and chemical modification to prepare the quick shape memory composite frozen gel, and the quick shape memory composite frozen gel has the following advantages: 1) self infiltration: the quick shape memory composite frozen gel has good hydrophilicity, and can quickly absorb liquid which is 40 times of the mass of the quick shape memory composite frozen gel in a dry state; (2) self-expansion is achieved, the shape memory ability is prominent, volume recovery can be rapidly achieved within 1.8 s, and the bleeding part is effectively blocked; 3) self-enhancement: the composition has procoagulant activity, significantly promotes platelet adhesion and activation, and accelerates the coagulation process of the body; and 4) self-degradation: the frozen gel does not need to be taken out for the second time after hemostasis, can be degraded in vivo, and promotes in-situ tissue repair after hemostasis. The method has a wide application prospect in the fields of operations, wound first aid and the like.

The utility model discloses a kind of minimally invasive implant artificial partial surface femoral head joint prosthesis, comprising: umbrella handle;Cylinder is sleeved on umbrella handle and is movably connected with it;First support prosthesis is sleeved on umbrella handle and is located above cylinder, with multiple first umbrella leaves in fan shape;Second support prosthesis is sleeved on umbrella handle and is located above cylinder, with multiple second umbrella leaves in fan shape being set in multiple first umbrella leaves dislocation;Wherein, multiple first umbrella leaves and multiple second umbrella leaves can be opened to complete umbrella-shaped joint prosthesis by relative umbrella handle under the impetus of cylinder.The utility model head joint prosthesis, can replace cartilage and subchondral bone of femoral head necrosis area, form good mechanical support, relieve patient discomfort, weight bearing with prosthesis, reduce femoral head endosteal bone weight bearing, slow down even reverse the progress of femoral head necrosis, can reach minimally invasive artificial joint partial replacement effect, reduce surgical trauma.

The invention provides a guide wire with an electrode and an intravascular electrophysiological signal monitoring system, and belongs to the technical field of interventional medical instruments. The guide wire with the electrode comprises a guide wire body, and the guide wire body is provided with a tail wire section, a body section and an information collection section which are sequentially arranged in the extending direction from the near end to the far end. The tail line section is used for transmitting signals to the outside, an electrode used for collecting signals is arranged on the information collection section, and the electrode is electrically connected with the tail line section; during working, the guide wire main body is conveyed to an intracranial target blood vessel through femoral artery or radial artery puncture, and the information acquisition section acquires an intracranial electrophysiological signal and transmits the intracranial electrophysiological signal to the tail line section for real-time monitoring; real-time monitoring of intracranial electrophysiological signals can be achieved through an intravascular path, so that craniotomy or drilling surgery is avoided, surgical wounds and medical risks are reduced, operation procedures are simplified, secondary surgery is avoided, and clinical requirements for minimally invasive, safe and efficient monitoring schemes are met.

The utility model provides a minimally invasive reduction device for femoral intertrochanteric fracture. The minimally invasive reduction device comprises a fixed support, a movable support, a locking structure, a first adjusting assembly, a second adjusting assembly and a push claw. Wherein the fixed bracket is provided with an inner hook claw; the movable bracket is movably mounted on the fixed bracket; the locking structure is arranged between the fixed bracket and the movable bracket and is used for locking the movable bracket on the fixed bracket; the first adjusting assembly is arranged on the movable support. The second adjusting assembly is arranged on the first adjusting assembly; and the push claw is mounted on the second adjusting assembly, is opposite to the inner hook claw and is used for being matched with the inner hook claw to fix and align the fracture end. When the minimally invasive reduction device for the femoral intertrochanteric fracture is used, reduction and fixing operations can be completed through a small incision, continuous manual force application is not needed, the labor intensity is low, meanwhile, operation wounds and pain of a patient are reduced, and postoperative recovery of the patient is facilitated.

This invention provides a posterior spinal lamina transverse expansion and fixation device, belonging to the field of medical device technology. The invention includes: an expansion body conforming to the physiological curvature of the posterior spine, divided into anterior and posterior wings, the front end of which can retract and automatically rebound after insertion, transversely expanding the lamina; and a snap-lock anti-displacement structure, formed by bending the wings, used to lock the expansion body after expansion, forming an irreversible fixation state and preventing retraction after expansion. This invention's expansion body with snap-lock anti-displacement structure, and overall adaptability to endoscopic channels smaller than 1cm, allows for transverse lamina expansion and fixation, implanted via a decompression groove using the spinous process as a positioning target. This device simultaneously addresses the mechanical requirements of high rigidity at the front end to maintain the expansion amplitude and high extensibility at the rear end for lamina fixation. It features a simple structure, low operational difficulty, no rebound after expansion, and is suitable for minimally invasive endoscopic procedures. It effectively reduces stress shielding, promotes bone healing, and reduces surgical trauma and complication risks.

The application relates to a semi-open subcutaneous expansion endoscope, which comprises a guide rod (1) and a pair of expansion plates (2), the top end of the guide rod (1) is provided with a handle (4), the bottom end of the guide rod (1) is provided with a V-shaped connecting part (5), the bottom ends of the pair of expansion plates (2) are fixedly connected through a lead-in head (6), and the top ends of the pair of expansion plates (2) are symmetrically hinged on the two sides of the V-shaped connecting part (5). The application has the advantages that the guide rod is semi-open, the expander is inserted into a surgical area, then the muscle soft tissue in the surgical area is expanded, larger size surgical instruments can be used for operation, the soft tissue can be blocked by the expansion plates, the observation is facilitated, the surgical difficulty is reduced, the surgical efficiency is improved, the instrument is operated in a single hole during surgery, the surgical trauma is small, the function of the observation hole and the operation hole can be combined, the operation tool does not need to be absolutely coaxial, the operation tool can be moved in a small range, and the surgical convenience is improved.

A claw-shaped steel plate fixator with guide fixing, including first claw-shaped plate and second claw-shaped plate, first claw-shaped plate and second claw-shaped plate are parallelly arranged, and reinforcing assembly is fixedly connected between first claw-shaped plate and second claw-shaped plate, first claw-shaped plate is fixedly connected with first grab block at upper and lower ends, first guide through hole is formed in the middle of two first grab blocks, and two first guide through holes are coaxially corresponding, second claw-shaped plate is fixedly connected with second grab block at upper and lower ends, second guide through hole is formed in the middle of two second grab blocks, and two second guide through holes are coaxially corresponding, the utility model overcomes the insufficient of prior art, makes whole fracture fixation process more efficient and convenient, and because it is operated basically on bone surface, greatly reduces surgical trauma, improves the postoperative recovery rate of patient.

The present invention discloses a method for constructing a mouse model of sepsis complicated by disseminated intravascular coagulation. The method establishes a mouse model of sepsis complicated by disseminated intravascular coagulation (sepsis DIC) by simultaneously intraperitoneally injecting 100 mg / kg Car solution and 50 μg / kg LPS solution into mice at a dosage volume of 0.1 mL / 10 g. This model can simultaneously simulate the two typical clinical characteristics of sepsis DIC, "fibrinolysis inhibition" and "consumptive hypocoagulation", making up for the shortcomings of the DIC model induced by large-dose LPS injection that can only simulate the "fibrinolysis inhibition" feature and the relatively high modeling cost. It also makes up for the shortcomings of the sepsis DIC model induced by the CLP method, which has not yet been standardized and the CLP models built by various laboratories have different performances on the fibrinolytic system, as well as the large surgical trauma, complex operation, difficulty in standardization and poor repeatability. This model can provide an accurate and convenient experimental model for screening potential drugs for the prevention and treatment of sepsis DIC.

The invention discloses a bone drill for dental implant, and aims to solve the problems of bone waste and insufficient initial stability of an implant when a traditional bone drill is used for drilling. The device comprises a drilling part, a transition part and a clamping part, has the advantages of being simple and clear in structure, easy and convenient to operate and high in operation accuracy and safety, solves the problems of bone waste, maxillary sinus lifting, operation complexity, large trauma, long healing time and the like during implantation hole preparation in the traditional technology through the synergistic effect of reverse threads and a taper structure, and is suitable for popularization and application. By means of the design, the autogenous bone scraps can be stored and utilized to the maximum extent, waste of bone resources is avoided, the autogenous bone scraps can be conveyed to the tip while the cavity is prepared, safe and efficient maxillary sinus lifting is achieved by extruding and conveying the autogenous bone scraps, the osteogenesis efficiency and the implant stability are improved, operation wounds and operation difficulty are reduced, and the operation cost is reduced. The obvious clinical application value is realized.

The utility model discloses an anchoring system for a temporomandibular joint disc reduction anchoring operation, which comprises a suture line anchored on a joint disc, an anchoring sheet for quickly anchoring the suture line and the joint disc, and a positioning nail for positioning the suture line, the suture line is arranged on the inner side of the joint disc, the anchoring piece is assembled in the middle of the suture line and arranged on the inner side of the joint disc, the positioning nail is assembled on the suture line, and the positioning nail and the anchoring piece are arranged at intervals. In the operation process, the suture line and the joint disc can be connected without the operation of threading and line pulling, the operation requirement for an operator is low, the operation time is effectively shortened, and extra operation wounds caused to a patient are avoided; the anchoring force and stability of the positioning nail can be effectively improved, the falling phenomenon of the positioning nail is avoided, and the anchoring effect is guaranteed.

The present invention relates to the field of medical device technology, specifically a posterior scleral minimally invasive cross-linking system. The system solves the current problem of lacking a scleral surgical instrument that can reduce the trauma of scleral surgery and prevent the spread of progressive myopia. The system includes a light source system, a liquid guide system, a telescopic system, a negative pressure system, a control system, and a positioning system. The light source system includes an ultraviolet array / blue light array light source or an ultraviolet / blue light electroluminescent material; the liquid guide system includes a liquid guide pump and a capillary controlled by a single-chip microcomputer to introduce liquid and a capillary for treating waste liquid; the telescopic system is controlled by a single-chip microcomputer to control a telescopic rod to achieve minimally invasive surgery; the negative pressure system is a ring tube and a three-way tube made of flexible material, which is used to draw vacuum to form a negative pressure state to prevent the leakage of reactants; the positioning system places an endoscope on the top layer of the membrane to achieve the positioning function of the minimally invasive instrument. The present invention has good flexibility, high degree of automation and safety, and can achieve minimally invasive operation when performing posterior scleral cross-linking method.

The present application relates to the field of orthopedic rehabilitation, and in particular to a progressive correction method for rheumatoid arthritis metacarpophalangeal joint ulnar deviation deformity, aiming at the technical pain points of existing correction technology, such as large trauma, poor adaptability, easy secondary synovial membrane injury, high deformity rebound rate, poor function recovery, etc., and combining biological microdynamics, flexible material science, industrial control time sequence regulation and physical rehabilitation technology, a non-invasive time sequence closed loop correction system is constructed. Through the multi-link collaborative implementation of preoperative global accurate evaluation and mechanical anchoring, low-temperature non-inductive fascia targeted pre-loosening, flexible phase change time sequence gradient force, extensor tendon targeted homing linkage, low-frequency micro-vibration microcirculation promotion, active micro-movement compensation balance training, etc., the pathological characteristics of rheumatoid arthritis and the physiological rhythm of the hand are matched throughout the whole process, and there is no rigid compression and surgical trauma. The present application can simultaneously achieve deformity reduction, ligament release, tendon homing, inflammation relief and muscle strength reconstruction, effectively avoid surgical risks and traditional brace complications, and significantly improve the correction success rate.

The utility model relates to a fixed guider and a traction suite with resetting and fixing functions. The fixed guider comprises a main body and a handle arranged on the main body, a first through hole and a plurality of second through holes are formed in the length direction of the main body in a penetrating manner; each second through hole is provided with a second hole inlet and a common second hole outlet, and the common second hole outlets are located at the end, abutting against the bone, of the body. Wherein the first through hole is configured to allow the guide needle to penetrate through and be implanted into a bone, and the hollow screw is implanted into the bone from the first through hole under the guidance of the guide needle; the second through hole is configured to allow the positioning needle to penetrate through and be implanted into the bone, so that the angle and the position of the fixed guider are fixed. The utility model further provides a traction kit with resetting and fixing functions. The traction kit comprises a fixing guider, a positioning needle, a guide needle and a hollow screw. According to the invention, a stable fixing effect can be provided while fracture reduction is carried out, operative wounds are reduced, and postoperative complications are reduced.