16 results about "Surgery.trauma" patented technology

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 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.

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 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.

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.

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 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 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.