53 results about "Sternum bone" patented technology

The invention discloses a physiologically-driven standardized intelligent simulation patient system, which comprises an adult simulation patient, a computer, a computer, a computer, a computer, a computer, a computer, a computer and a computer, wherein the adult simulation patient is made of a simulation man-made high polymer material, is environment-friendly and pollution-free, has obvious anatomical marks, touches two nipples, ribs, sternum and xiphoid processes, is flexible in joints, and realizes various operation body positions; wherein the physiological data comprises the heart rate, the blood pressure and the respiratory rate, the data is combined with a built-in physiological model to simulate the physiological state of a patient in real time, a monitor is simulated, real-time physiological data monitoring and feedback are provided, and the vital signs, the heart rate, the blood pressure and the oxyhemoglobin saturation of the simulated patient are displayed; the system has strong physiologically-driven standardized intelligent comprehensive simulation patient, can perform situational teaching according to a real clinical environment, effectively assesses the clinical thinking and personal operation skills of students, can greatly improve the team cooperation spirit of the students, and simulates the real physiological response and clinical scene.

The invention discloses a gradient degradation type personalized absorbable sternum fracture fixing plate and a preparation process, and belongs to the technical field of medical implant materials. Comprising an anatomical adaptive plate body and an integrated locking assembly, the plate body is of a partitioned structure of a middle supporting area and an edge buffering area, a gradient pore array penetrating through the thickness direction is formed in the surface of the plate body, and a hydroxyapatite-collagen composite coating is loaded on the inner wall of a pore; the plate body is made of a composite absorbable material through 3D printing forming and hot pressing post-treatment, and the composite absorbable material comprises, by weight, 60%-70% of polylactic acid-glycolic acid copolymer (PLGA, LA / GA = 75 / 25), 15%-20% of silanized magnesium alloy microwires, 5%-10% of hydroxyapatite nano-particles and 5%-10% of polycaprolactone (PCL). Space-time matching of the degradation rate and the bone healing process is achieved through the partition gradient structure, the magnesium alloy microwires enhance the mechanical property and release active ions to promote osteogenesis, and the method has the advantages of personalized adaptation, gradient degradation, bone regeneration promotion and the like.

The invention relates to the technical field of clinical medical instruments and operation, and discloses a safe and high-success-rate operation method and system for sternum marrow puncture. The invention provides a closed-loop solution based on multi-modal information fusion and intelligent control in order to solve the pain points that traditional sternum paracentesis highly depends on experience of doctors, the complication risk is high and the success rate is unstable. According to the method, a patient personalized three-dimensional model is constructed through images such as preoperative CT or intraoperative ultrasound, risk early warning is conducted through a machine learning model, and an optimal puncture track is generated through a path planning algorithm. The core innovation of the method is as follows: in the puncture process, real-time image navigation and needle point pressure feedback are dynamically combined, and the subjective'falling sense 'is quantified into objective data for the first time so as to accurately control the depth; a set of intelligent safety braking system is integrated, the puncture needle can be automatically locked when it is monitored that thrust is abnormal, and the fatal risk that the heart and great blood vessels are damaged due to too deep puncture is actively avoided.

The present invention discloses a sternal spreader for preventing rib fractures in cardiac surgery, comprising a first spreader arm, a guide plate, a second spreader arm, a spreader plate, a pressure gauge, a brake component and a controller, wherein the first spreader arm is fixed to one end of the guide plate; the second spreader arm is arranged on the guide plate and can move along the guide plate; a guide groove is provided on the opposite side of the first spreader arm and the second spreader arm, and a spreader plate is inserted into each guide groove, and the spreader plate can move relative to the length and height direction of the guide groove; a pressure gauge is slidably provided on the first spreader arm and the second spreader arm, and the detection end of the pressure gauge can abut against the corresponding spreader plate; the brake component is provided on the second spreader arm. In this way, the sternal spreader pressure can be detected and braked when the pressure is too high, thereby avoiding the occurrence of secondary injuries such as rib fractures caused by excessive spreader pressure, thereby reducing the patient's discomfort during postoperative recovery.

Physiological monitoring can be provided through a lightweight wearable monitor that includes two components, a flexible extended wear electrode patch and a reusable monitor recorder that removably snaps into a receptacle on the electrode patch. The wearable monitor sits centrally on the patient's chest along the sternum oriented top-to-bottom. The placement of the wearable monitor in a location at the sternal midline, with its unique narrow “hourglass”-like shape, significantly improves the ability of the wearable monitor to cutaneously sense cardiac electrical potential signals, particularly the P-wave and the QRS interval signals indicating ventricular activity in the ECG waveforms. In particular, the ECG electrodes on the electrode patch are tailored to be positioned axially along the midline of the sternum for capturing action potential propagation in an orientation that corresponds to the aVF lead used in a conventional 12-lead ECG that is used to sense positive or upright P-waves.

Device and method of assisted anatomical localization The invention relates to a method and a device (2) of anatomical localization.The method comprises: obtaining an image (IM1) of a subject (UR2); detecting at least two first anatomical points (PT1) associated with the subject's skull; determining a first value (V1) representing a reference distance (D1) separating the first two anatomical points; detecting two second anatomical points (PT2) associated with the subject's shoulders; locating a sternal midline equidistant from the second anatomical points (PT2), the sternal midline intersecting at a point of intersection a segment defined by the second anatomical points (PT2); and determining coordinates (C1) of at least one target anatomical point (PT3) by calculating second distances (D2x, D2y) of said at least one target anatomical point with respect to the point of intersection, the second distances being determined from the first value (V1). Figure for the abstract: Fig. 1.

Device and method of assisted anatomical localization The invention relates to a method and a device (2) of anatomical localization.The method comprises: obtaining an image (IM1) of a subject (UR2); detecting at least two first anatomical points (PT1) associated with the subject's skull; determining a first value (V1) representing a reference distance (D1) separating the first two anatomical points; detecting two second anatomical points (PT2) associated with the subject's shoulders; locating a sternal midline equidistant from the second anatomical points (PT2), the sternal midline intersecting at a point of intersection a segment defined by the second anatomical points (PT2); and determining coordinates (C1) of at least one target anatomical point (PT3) by calculating second distances (D2x, D2y) of said at least one target anatomical point with respect to the point of intersection, the second distances being determined from the first value (V1). Figure for the abstract: Fig. 1.

Physiological monitoring can be provided through a lightweight wearable monitor that includes two components, a flexible extended wear electrode patch and a reusable monitor recorder that removably snaps into a receptacle on the electrode patch. The wearable monitor sits centrally on the patient's chest along the sternum oriented top-to-bottom. The placement of the wearable monitor in a location at the sternal midline, with its unique narrow “hourglass”-like shape, significantly improves the ability of the wearable monitor to cutaneously sense cardiac electrical potential signals, particularly the P-wave and the QRS interval signals indicating ventricular activity in the ECG waveforms. In particular, the ECG electrodes on the electrode patch are tailored to be positioned axially along the midline of the sternum for capturing action potential propagation in an orientation that corresponds to the aVF lead used in a conventional 12-lead ECG that is used to sense positive or upright P-waves.

The invention discloses an adjustable heart fixing drag hook, and relates to the field of heart drag hooks, the adjustable heart fixing drag hook comprises a universal adjusting assembly, the front end of the universal adjusting assembly is provided with a drag hook assembly, and the rear end of the universal adjusting assembly is provided with a clamping assembly; according to the sternum retractor, the retractor body is stably clamped on the sternum retractor, manual hand holding is completely replaced, the series connection structure of the columnar block and the spherical block is matched with the pull rope locking mechanism, adjustment of the retractor at any angle and depth in the three-dimensional space is achieved, switching from adjustment to the locking state can be easily completed through one rotary knob, and the operation is convenient. After locking, the structure is stable, force conduction is direct and reliable, it is ensured that the traction position cannot deviate due to tissue elasticity or external force, an operator does not need to be distracted to maintain the position of the drag hook, interference with the operation space of an assistant is not needed, all energy can be concentrated on fine surgical operation, physical exhaustion is reduced, and the operation efficiency is improved. And the smoothness and the efficiency of the operation are also obviously improved.

The invention discloses a bone power suite for orthopedic surgery, which comprises a power main body and a functional head, the functional head comprises one or more of a swing saw assembly, a single condyle reciprocating saw assembly, a sternum reciprocating saw assembly and a bone drill assembly, and the functional head can be detachably butted on the power main body through a plug-in mounting mechanism. According to the bone power kit for the orthopedic surgery, one power main body can be matched with a plurality of functional heads through the inserting mechanism, so that the use cost of the orthopedic surgery can be greatly reduced; in addition, the swing saw assembly is simple in structure, few in part number and easy to assemble, the assembling time of the swing saw assembly can be greatly shortened, and therefore the manufacturing cost of the swing saw assembly can be greatly reduced.

The sternum fixing band comprises an adjusting band assembly, one side of the adjusting band assembly is connected with one end of a first clamping plate, the other side of the adjusting band assembly is connected with one end of a second clamping plate, the other end of the first clamping plate is connected with one end of an elastic band, and the other end of the elastic band is connected with the other end of the second clamping plate. The other end of the elastic band is connected with the other end of the second clamping plate; a first shielding plate is detachably arranged at the position, corresponding to the adjusting band assembly, between the first clamping plate and the second clamping plate, and a second shielding plate is detachably arranged at the position, corresponding to the elastic band, between the first clamping plate and the second clamping plate. According to the utility model, the adjusting belt assemblies are arranged on the two clamping plates, so that the tightness is convenient to adjust, and the two clamping plates are convenient to loosen when the two clamping plates are not repeatedly tensioned; the two shielding plates are arranged, so that the wound can be conveniently shielded and cleaned, the back of the patient can be conveniently cleaned, the safety of wound recovery is ensured, and the use comfort of the patient is also improved.

The invention discloses a cardiopulmonary resuscitation device based on pressure sensing and carotid artery detection and a use method. A flexible pressure sensing unit is adopted to accurately monitor the pressure and frequency of pressing in the cardiopulmonary resuscitation process, whether intermittent stopping exists or not, the intermittent stopping duration, the sternum sinking depth, the sternum springback degree and the chest ventilation condition; meanwhile, a carotid artery blood supply detection device is adopted to monitor the blood supply and backflow conditions of the patient, and a control feedback unit carries out visual and voice real-time feedback after comparison and judgment according to a set key index threshold value to guide medical staff to adjust the cardio-pulmonary resuscitation pressing operation; individualized cardio-pulmonary resuscitation core index threshold values and blood supply key index threshold values are provided for different crowds, standardization and blood supply states of cardio-pulmonary resuscitation operation of different crowds are recognized more accurately, linkage of pressing operation, monitoring, control and feedback is achieved, and individualized accurate treatment is achieved.

The utility model discloses a biodegradable sternum fixing device. The biodegradable sternum fixing device comprises a belt body, a tip structure and a fixing clamping head, wherein the tip structure and the fixing clamping head are located at the two ends of the belt body respectively. A plurality of tooth blocks which are uniformly distributed are arranged on the surface of one side of the belt body, and the surface of the other side of the belt body is a smooth surface; the fixed clamping head comprises a shell of a concentric-square-shaped structure and an elastic block arranged on the inner wall of the shell, and the elastic block is correspondingly matched with the tooth block in structure. The two ends of the shell are an inlet end and an outlet end respectively, wherein the tip structure drives the belt body to penetrate in and out through the inlet end and the outlet end. The shell comprises a third release layer, a second release layer and a first release layer which are sequentially stacked from inside to outside, the third release layer comprises bone healing promoting drug molecules and antibacterial drug molecules, and the second release layer comprises wound healing promoting drug molecules and antibacterial drug molecules. The first release layer comprises anti-inflammatory drug molecules and antibacterial drug molecules. The method has the advantages of high practicability, low risk and capability of promoting wound healing of a patient.

The utility model relates to the technical field of simulation dolls, and provides a skeleton connecting structure which comprises a sternum, arm bones, a first mounting sleeve and a second mounting sleeve, the sternum comprises a front chest part and a rear chest part which are detachably connected, the first mounting sleeve is connected to the front chest part, and the second mounting sleeve is connected to the rear chest part; after the front chest part and the rear chest part are connected together, a mounting cavity is formed between the first mounting sleeve and the second mounting sleeve; the arm bone comprises a shoulder joint and a front arm which are connected with each other, the shoulder joint is connected with a first connecting ball, and the first connecting ball is rotatably arranged in the mounting cavity. The simulation doll has the advantage that the parts forming the simulation doll can be detached and replaced conveniently.

This utility model discloses a duckbill-shaped intraoperative suction device, comprising a suction head, a suction tube, and a negative pressure suction device connected in sequence. The suction head is a flat tubular structure with a thickness smaller than its length and width. One end of the suction head along its length is directly or indirectly connected to and communicates with the suction tube, while the other end of the suction head along its length is a closed end or has an end through hole. Multiple through suction holes are also distributed on the suction head. This duckbill-shaped intraoperative suction device replaces the traditional cylindrical suction head with a duckbill-shaped, flat tubular structure. The suction head has a thin and flat shape, making it better suited for patients undergoing reoperation, especially children. It can be inserted behind the sternum in a very small space and increases the area of ​​protection behind the sternum, helping to avoid damage to the heart and major blood vessels behind the sternum during a second thoracotomy.

The application discloses a combined device of artificial sternum, artificial clavicle and artificial rib, which comprises an artificial sternum, an artificial clavicle and an artificial rib; the artificial sternum comprises a sternum handle and a sternum body, and the upper edges of the sternum handle are respectively provided with sternum joint concaves; the artificial clavicle is provided with a clavicle joint shaft, the sternum joint concaves are in contact with the clavicle joint shaft, and a sternoclavicular joint is formed; the clavicle joint shaft is provided with a first clavicle connecting hole; the sternum handle is provided with a first sternum connecting hole; the artificial rib comprises a first rib segment, a second rib segment and a third rib segment, and the first rib segment and the third rib segment have the same width along a first direction; the left and right sides of the sternum handle and the sternum body are respectively connected with the first rib segment, and the third rib segment is connected with a normal rib stump on the side away from the artificial sternum. Through the connection between the artificial sternum and the artificial clavicle and the connection between the artificial sternum and the artificial rib, the anatomical form and the biological characteristics of the human body sternum, clavicle and rib can be simulated.

The invention discloses an ultrasonic evaluation device for antenatal sternum development, and the device comprises a data obtaining module which is used for obtaining ultrasonic data of a to-be-measured fetus through an ultrasonic diagnostic apparatus, and the ultrasonic data comprises a measured value of the length of the sternum of the fetus and a measured value of the head circumference; the prediction module comprises a storage unit; the storage unit is used for storing pre-established fetal sternum development prediction parameters, the prediction parameters are determined based on a statistical relationship of a ratio of a sternum length to a head circumference of a normal group fetus, and the prediction parameters represent a sternum development rule independent of gestational weeks; the prediction module is used for calling the prediction parameters in the storage unit according to the measured value of the head circumference of the to-be-measured fetus, and calculating to obtain a predicted value of the sternum length of the to-be-measured fetus; and the evaluation module is used for comparing the measured value of the sternum length of the fetus to be detected with the predicted value of the sternum length, and evaluating the sternum development condition of the fetus to be detected according to a comparison result.

Surgical suture assemblies, and methods of their use, are disclosed having configurations suitable for closure of biological tissue, including the bony tissue of the sternum. The surgical suture assemblies described or contemplated herein have physical characteristics that help to mitigate undesirable issues, such as bleeding.

The application relates to the technical field of healthcare informatics, in particular to a seismocardiogram analysis system and method based on accelerometer data, wherein the system comprises a heart vibration detection unit, a motion artifact detection unit and a data processing unit. The heart vibration detection unit is arranged to collect a sternum vibration signal generated by heart activity. The motion artifact detection unit is arranged to detect a sternum posture signal generated by thoracic activity during breathing. In the application, the data processing unit acquires signals of the heart vibration detection unit and the motion artifact detection unit, encodes the signals into vector group data, performs digital filtering on the vector group data, preliminarily performs band-pass filtering to retain only low-frequency signals, and performs modal decomposition on the sternum vibration signal based on a VMD algorithm to decompose the SCG signal in the sternum posture signal based on parameter characteristics of the sternum posture signal as a constraint condition.

The invention provides application of 68Ga-FAPI in preparation of related reagents for sternum deep wound infection, and belongs to the field of medicine. The invention provides application of 68Ga-FAPI in preparation of related reagents for early diagnosis, detection, tissue positioning, surgical debridement guidance and post-surgical debridement detection of deep sternum wound infection. By utilizing the FAP specific targeting effect of the 68Ga-FAPI, the accuracy of the 68Ga-FAPI in the aspects of diagnosis, detection and the like is superior to that of a traditional tracer agent, the high focus and background contrast ratio of the 68Ga-FAPI can accurately position infected tissues, and the 68Ga-FAPI has high conversion application value for guiding surgical debridement and postoperative monitoring.

The invention relates to the technical field of medical instruments, and discloses a torsion type anatomical locking steel plate for sternoclavicular joint dislocation and a using method thereof.The torsion type anatomical locking steel plate comprises a plate body section, a transition section and a hook body section, the plate body section is an arc-shaped plate suitable for being attached to the anatomical contour of the front side of the near end of the clavicle, and a plurality of locking holes are formed in the plate body section to serve as fixing holes; the far end of the hook body section is provided with a flat hook body used for being hooked behind a sternum handle. The transition section is connected between the plate body section and the hook body section and is of a space torsion structure which smoothly extends from the plate body section to the hook body section. The plate body section is in arc fit with the contour of the near end of the clavicle, the fixing holes are distributed in a staggered mode and are spherical countersunk head taper threaded holes, the composite holes integrate the locking and pressurizing functions, the hook body section is provided with anti-slip barbs, the transition section is in spatial torsion connection, all the parts cooperate to improve the dissection suitability and stability, stress is dispersed, screw loosening and bone damage are reduced, and the fracture resistance is improved. Reliable support is provided for dislocation reduction of the sternoclavicular joint, and fracture around the sternoclavicular joint and healing of the sternoclavicular joint are guaranteed.

The invention belongs to the field of biomedical engineering, particularly discloses an intelligent electrocardiogram lead positioning system and method based on augmented reality, and aims at solving the problems that traditional electrocardiogram chest lead (V1-V6) positioning depends on experience, errors are large (+ / -1-2 cm), and consumed time is long (3.2 + / -0.8 min). The system comprises: (1) AR display equipment (integrated with a high-frame-rate camera and an environment sensor); (2) improving a lead patch (the surface of the lead patch is provided with an optically recognizable reflective array / two-dimensional code which is physically isolated from an electrode); (3) a processing unit (operating a multi-scale feature fusion CNN model and identifying anatomical markers such as a sternum angle and a costal space in real time); according to the method, accurate lead positioning is achieved through AR scanning, dynamic projection guide patch pasting, real-time offset detection and feedback adjustment.

The present invention provides a hyoid-laryngeal suspension device and system for treating sleep disordered breathing (SDB). The device includes a first fastener, the size and structure of which are set to anchor to the patient's hyoid bone or thyroid cartilage, and a second fastener, the size and structure of which are set to anchor to the patient's sternum, clavicle or ribs. One end of a static member or elastic member is connected to the first fastener, and the opposite end is connected to the second fastener. The elastic member has sufficient elasticity to dynamically elevate the pharynx and / or larynx to allow speaking and swallowing. The static member has sufficient tension to maintain appropriate pharyngeal wall tension while still allowing sufficient movement of the hyoid bone and thyroid cartilage to achieve speaking and swallowing functions.

Systems, methods, and devices disclosed herein include a sternal fixation device involving a sternal fixation wire with one or more force dispersion supplement(s). The sternal fixation wire is operable to at least partially wrap around a first bone section and a second bone section to provide a compressive force on the first bone section and the second bone section. The compressive force pushes the first bone section and the second bone section toward a centerline between the first bone section and the second bone section. Additionally, the force dispersion supplement is disposed around at least a portion of the sternal fixation wire. The force dispersion supplement is operable to increase a force dispersion surface area of the sternal fixation wire at attachment zone(s) on the first bone section or the second bone section. The increased force dispersion surface area reduces potential damage caused to the bone tissue.

The invention provides a chest conductive electrode bandage, and relates to the field of chest conductive electrode bandages. The chest conductive electrode bandage comprises a bandage body, a front hair surface is arranged on the left side of the front surface of the bandage body, a back hook surface is arranged on the right side of the back surface of the bandage body, V1 or C1, V2 or C2, V3 or C3, V4 or C4, V5 or C5 and V6 or C6 electrode points are arranged on the bandage body, and the connection method of a chest lead electrode is as follows: V1 or C1 is located between the fourth ribs of the right edge of the sternum. According to the chest conducting electrode bandage, the elastic mesh gauze material is adopted, the breathability is good, the waist-shaped holes are formed, so that the chest conducting electrode bandage can move left and right more conveniently and flexibly, the problem of left-right deviation is solved, the mesh gauze hole positions are designed according to scientific and reasonable chest lead electrode connection positions, the positions of chest conducting electrodes can be found very conveniently and rapidly, and the chest conducting electrode bandage is convenient to use. When an electrode slice is pasted, an electrode bandage is arranged, the electrode is buckled, and the patient moves and turns over, the electrode is prevented from loosening and falling off.

The utility model relates to puncture tool technical field, concretely for bone marrow puncture needle, including needle tube, needle tube is used for puncture extraction bone marrow, the lower extreme of needle tube is installed with needle tube seat, the inside of needle tube is provided with core needle, the lower extreme of core needle is installed with core needle seat, the end of adjusting sleeve is provided with inclined annular surface to adapt the use condition of 45 degree -60 degree inclined needle insertion of sternum bone marrow puncture, core needle seat is equipped with the lock catch, the limiting block is set up on needle tube seat, when the tip of core needle is pressed, the lock catch is hooked needle tube seat through the cooperation with limiting block, prevents core needle from retreating, the convex point is equipped on core needle seat for preventing core needle seat from rotating freely and taking out. In the bone marrow puncture needle, the inclined annular surface of adjusting sleeve end head, perfect adaptation 45 degree -60 degree inclined needle insertion of sternum bone marrow puncture use condition, solve the problem that the small observation field of operator can be observed when the traditional puncture needle punctures, and the discomfort of patient skin, make puncture operation more accurate, convenient.

The utility model discloses an orthopedic intramedullary nail which comprises a nail body, and the nail body comprises an upper nail body and a lower nail body. A connecting structure is arranged between the upper nail body and the lower nail body; the upper nail body and the lower nail body can rotate around the connecting structure, so that the upper nail body and the lower nail body can be folded and separated; when nailing is needed, the upper nail body and the lower nail body are in a folded state, and when the upper nail body and the lower nail body need to be separated after nailing, the upper nail body and the lower nail body are in a separated state. When the upper nail body and the lower nail body are in a folded state, the nailing ends of the upper nail body and the lower nail body are matched with each other to form an integral nail body; the nail body as an integral structure is easy to nail in; when the device is used for sternum fracture surgery, the intramedullary nails can be arranged in cancellous bones in fractured sternum marrow, the front ends of the intramedullary nails are separated to form a crossed shape to prevent the intramedullary nails from rotating in an intramedullary cavity, fracture is more accurately fixed, and the fixing effect is more stable.

The application provides a coracoid wire passing and clavicle drilling positioning auxiliary device, two sides of the clavicle in the length direction are a sternum side and a shoulder joint side respectively, and the coracoid wire passing and clavicle drilling positioning auxiliary device comprises a clavicle positioning piece, the clavicle positioning piece is arranged along the length direction of the clavicle, a positioning hole is formed in the side of the clavicle positioning piece, and the clavicle positioning piece is suitable for clavicle drilling positioning through the positioning hole; a wire passing assembly, the wire passing assembly comprises a wire passing main body connected below the clavicle positioning piece, the wire passing main body is an open structure in an arc shape, and the arc-shaped inner side of the wire passing main body surrounds a coracoid accommodating area. The coracoid wire passing and clavicle drilling positioning auxiliary device can avoid coracoid drilling, maximally reduce secondary stimulation of soft tissues by instruments, reduce the reoperation rate and the opportunity of iatrogenic fracture, shorten the operation time to a certain extent, and reduce the intraoperative infection rate.