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35 results about "Mandibular angle" patented technology
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Medical Definition of mandibular angle. : an angle formed by the junction at the gonion of the posterior border of the ramus and the inferior border of the body of the mandible.
Jawbone repair support and manufacture method thereof
The invention relates to a jawbone repair support and a manufacture method thereof, which can meet the demand of shape repair of large-area jawbone defect and the like. The jawbone repair support hasthe effects of shape repair and function repair, thereby meeting the individual demands of patients. The invention is characterized in that: the jawbone repair support comprises a jawbone shape support body which is provided with a condylar area, a mandibular ramus area, a mandibular angle area, a mandibular grafting bone area and a bone connecting area, wherein the mandibular angle area and the mandibular grafting bone area are respectively provided with a through hole array structure, and the bone connecting area is provided with a countersink array structure.
Owner:北京吉马飞科技发展有限公司
Manufacture method of guide entity of individual mandibular angle hypertrophy operation
InactiveCN101396291AAvoid the technical difficulty of real-time registrationPrecise Guidance AccuracySurgerySpecial data processing applicationsEccentric hypertrophyMandibular angle
The invention relates to a navigation physical system for precisely cutting the bone of a mandible, in particular to a manufacturing method of a navigation entity for an individuation angle of mandible obesity operation. Aiming at cutting the bone with obese angle of mandible which is a common cranio-jaw-facial operation, the invention realizes the three dimensional accurate cutting bone of the angle of mandible through the operation navigation entity which is formed by the rapid manufacturing technique, improves the operation quality and reduces complications. Compared with the conventional technique, the invention has the advantages that the individuation operation navigation entity is formed by the rapid manufacturing technique, thus guiding the accuracy of cutting bone and bilateral symmetry. In addition, on the basis, the accurate operation navigation technique which is realized by the rapid molding also can be applied to other cranio-jaw-facial plastic operations, thus realizing the digitizing and accuracy of the operation.
Owner:SHANGHAI NINTH PEOPLES HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
Head rest for operating table
InactiveCN103040580AInflict physical damageEasy to take x-rayOperating tablesFrontal boneEngineering
The invention provides a head rest for an operating table. The head rest for the operating table comprises a base and a head fixture, wherein the base is connected with an operating table; and the head fixture is connected with the base. The head fixture comprises a first supporting part, a second supporting part, a first clamping part and a second clamping part, wherein the first supporting part is used for supporting the frontal bone of a patient's head; the second supporting part rotatably connected with the first supporting part is used for supporting the cheekbone of the patient's head; the first clamping part which is connected with the first supporting part and capable of rotating in the vertical direction is used for clamping the occipital bone of the patient's head; and the second clamping part arranged on the second supporting part is used for clamping the mandibular angle of the patient's head. The base is provided with a hollow projection area corresponding to the portion just below the patient's neck. Traction of the patient's neck or accurate displacement of the patient's head in horizontal and vertical directions can be realized by moving the head rest during surgery.
Owner:简月奎
Swinging saw special for mandibular angle bone cutting
InactiveCN1943520AOsteotomy is convenientEasy to operateSuture equipmentsInternal osteosythesisMandibular angleOral cavity
The invention discloses an instrument for cutting bones, particularly a special swaying saw for cutting bone on the corner of the lower jaw, mainly used for undertaking bone-cutting on the corner of the lower jaw within the oral cavity.
Owner:GENERAL EQUIP DEPT BEIJING HUANGSI COSMETIC SURGICAL HOSPITAL +2
Mandibular angle curved osteotomy guider
The present invention discloses a mandibular angle curved osteotomy guider which comprises a similar fan-shaped positioner having a hook, a long rod having a hook, and a similar fan-shaped connector; the similar fan-shaped positioner having a hook is slidably connected with the similar fan-shaped connector in a sleeving manner; the long rod having a hook is connected with the similar fan-shaped connector; and the hook portion of the long rod having a hook is designed to be hollow. By adoption of the guider, the position of an osteotomy line can also be accurately determined under a blindness condition, the bilaterally symmetric effect is achieved, operation risk is reduced, operation time is shortened, and operation effect is improved.
Owner:PLASTIC SURGERY HOSPITAL CHINESE ACAD OF MEDICAL SCI
Bone-supporting type mandibular tractor guide plate device and manufacturing method thereof
PendingCN108703800AImprove convenienceSimple structureOsteosynthesis devicesBody of mandibleMandibular ramus
The invention relates to a bone-supporting type mandibular tractor guide plate device and a manufacturing method thereof, which comprises a guide plate body, wherein the inner surface of the guide plate body is matched with the surface contour of the mandibular angle region of a patient, a truncated bone groove and a fixing hole are formed in the guide plate body, the shape and the position of thetruncated bone groove are formed according to the direction and the position of the truncated bone line which is determined during an operation, and the distribution of the fixing hole on the guide plate body coincides with the mounting hole of the tractor. The manufacturing method comprises the following steps of: carrying out three-dimensional model reconstruction on the mandible of the patient; carrying out three-dimensional pre-bending on the tractor model to determine the position of the truncated bone line; designing the guide plate body according to the surface contour of the mandibular ramus and the mandibular angle region of the mandible model of the patient; designing the fixing holes on the guide plate body according to the installation hole position of the pre-bending tractormodel; designing the truncated bone groove on the guide plate body according to the determined position of the truncated bone line; 3D-printing the finished product. The device is simple in structureand convenient to operate, and can improve the accuracy of determining the truncated bone line and positioning and fixing the tractor.
Owner:SHANGHAI NINTH PEOPLES HOSPITAL SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
Surgical method for mandibular angle fracture operation and devices therefor
Owner:LEE HEE YOUNG
Transcutaneous electrical stimulation snore relieving device
InactiveCN107157639ASolve the troublesome problem in the treatment of OSAHSPrevent openingElectrotherapySnoring preventionElectricityThroat
The invention discloses a transcutaneous electrical stimulation snore relieving device comprising a snore relieving band and a transcutaneous electrical stimulation host; the snore relieving band comprises an upper fixing portion for fixing heads and a lower fixing portion for fixing jaws; the lower fixing portion is provided with an electrode slice fixing portion; the electrode slice fixing portion is positioned in the middle of a lower mandibular angle and a jaw and above a throat; an electrode slice is fixed in the electrode slice fixing portion; the electrode slice is connected with an output terminal of a pulse generator of the transcutaneous electrical stimulation host through an electrode wire; each of the upper fixing portion and the lower fixing portion is provided with an electrode wire fixing portion for fixing the electrode wire so that the electrode wire extends along the back of the ear toward the top of the head. The transcutaneous electrical stimulation host also comprises an MCU, a regulating module and a power supply. The MCU is used for controlling the pulse generator to generate a corresponding pulse signal according to preset parameters. The beneficial effects of dual treatment of OSAHS can be obtained by the present invention by using the technical solution combining snore relieving band and transcutaneous electrical nerve stimulation.
Owner:THE FIRST AFFILIATED HOSPITAL OF GUANGZHOU MEDICAL UNIV (GUANGZHOU RESPIRATORY CENT)
Variable lower jaw angle locating bone cutting device
InactiveCN101249014BFlexible controlEasy to operateDiagnosticsInstruments for stereotaxic surgeryCouplingDrive shaft
An osteotomy locator with adjusted angle of mandible comprises a flexible-shaft coupling sleeve, wherein the right end of the flexible-shaft coupling sleeve is connected with a medical motor equipped with a transmission shaft therein, the left end of the flexible-shaft coupling sleeve is provided with a variable-angle clutch gear and connected with the right end of a transmission rod via the variable-angle clutch gear, the left end of the transmission rod is connected with a handpiece main shaft with a drill, the top of the handpiece is provided with a drill locking spider, a scale locating rod is attached to the transmission rod, the two sides of the scale locating rod with respect to the transmission rod are respectively connected with the drill locking spider and a movable retractor scale, a spring leaf is installed at the joint site of the movable retractor scale and the scale locating rod, the handpiece main shaft, the drill, the movable retractor scale and the transmission rod are integrally fixed, the movable retractor scale is provided thereof with a retractor, an anti-skidding gear, a sliding chute and 6-10 tangential small round holes with diameter of 2mm, the spring leaf passes through the small round hole and is fixed on the transmission rod, the drill passes through the sliding chute to allow the movable retractor scale to connect with the handpiece main shaft. The inventive osteotomy locator can be used for osteotomy and has the advantages of convenient operation, flexible service, and good safety and reliability.
Owner:俞良钢
Head lymph massage instrument and use method thereof
PendingCN113842306ALower intracranial pressureAdjustable inflation timePneumatic massageSuction devicesLymphatic massagePhysical Therapy Modality
The invention discloses a head lymph massage instrument and a using method thereof, and relates to the field of neurosurgery, the head lymph massage instrument comprises a drainage pump and an inflation drainage head sleeve, and the drainage pump comprises an inflation module, a control module, a display module, a shell and a switch. According to the head lymph massage instrument and the using method thereof, a physical therapy is used for replacing manual massage, pressing type drainage is conducted on lymphatic systems in front of the ears, behind the ears and at the lower jaw of a patient, and drainage in front of the ears and behind the ears is drained to the clavicle from top to bottom in the jugular vein direction; the chin drainage starts from the chin and drains towards the inflection point of the mandibular angle from front to back along the mandible, so that a doctor can be helped to massage the head lymph of a patient by using a physical technique under the condition of not performing craniotomy or skull drilling and intubation, the intracranial pressure of the patient is reduced, the surgical pain of the patient is relieved, the intracardiac pressure is reduced, and the postoperative infection risk is avoided.
Owner:上海浩聚医疗科技有限公司
Mandibular angle drag hook
The invention discloses a mandibular angle drag hook, which comprises a handle and a working end, wherein the working end and the handle form an included angle ranged from 30 degrees to 60 degrees; the working end is in a Y shape and comprises divaricating ends and a connecting end; hook angles extending downwards are respectively arranged on tips of the divaricating ends; the connecting end is connected with the handle. The mandibular angle drag hook has the advantages that (1) the reasonable design is adopted, and the working end is designed to be the Y shape and respectively goes deep into the lower edge of a mandibular body and the rear edge of a mandibular ramus, so that the wider visual operative field is exposed; (2) the connecting end is designed to be a half moon shape and conforms to a mouth shape, so that the maximum contact area is ensured, the hurt to the mouth is reduced, meanwhile, the mouth can be pulled and opened, and the deep visual operative field is exposed; (3) since the area of the working end is larger than that of a traditional drag hook, a power drill can be fully separated from soft tissues, accidental injury is avoided, and masseter and buccal mucosa can be protected.
Owner:SHANGHAI NINTH PEOPLES HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
Oral and maxillofacial space infection incision and drainage virtual training method
PendingCN112002200AImprove practical abilityAddressing the Practice DisconnectCosmonautic condition simulationsEducational modelsForcepsMandibular angle
The invention relates to an oral and maxillofacial space infection incision and drainage virtual training method and is used for knowing an anatomical part of space infection and selecting a correct incision and drainage part through the method. The method comprises the following steps of 1) establishing a skull three-dimensional model, and inputting the skull three-dimensional model into a computer simulation device; 2) inputting a muscle module used for simulating muscle, adding the muscle module to the three-dimensional model, adding an abscess module outside the mandibular ascending branchfor the clearance of the occlusal muscle, and covering the cheekbone zygomatic arch and the mandibular ascending branch mandibular angle area with the occlusal muscle on the abscess so as to determine the anatomical part of the clearance abscess of the occlusal muscle; (3) inputting an instrument module used for simulating the surgical knife so as to select the surgical knife and the incision part, and after incision, enabling vessel forceps to extend into a gap along the exterior of the mandible, and (4) selecting and operating the instrument module after abscess drainage. The method is advantaged in that the method operability is strong, and the method can be widely applied to the technical field of medical science.
Owner:湖南医药学院
Human mandible osteotomy template
ActiveCN108261221AEasy to fixThere is no problem of sliding displacementSurgical sawsBone drill guidesMandible ramusOsteotomy
The invention provides a human mandible osteotomy template. The human mandible osteotomy template comprises a template main body and fixing parts on the template main body, wherein the template main body comprises a first template and a second template which are detachably connected, the first template is attached to mandible ramus and the angle of the mandible, the second template is attached tothe mandible body behind the angle of the mandible, and the first template and the second template are closely connected through a connecting part. For the human mandible osteotomy template, the template main body is arranged to comprise two parts, namely, the first template and the second template, during surgery, the part near the corresponding part at the parting of the templates serves as a surgical starting point, the first template and the second template are placed in from different directions, the templates can be placed in smoothly under the condition that the surgical space is narrow, meanwhile, the integral stripping area for skin and muscle during the surgery also can be reduced, and the risks including bleeding can be reduced.
Owner:MEDPRIN REGENERATIVE MEDICAL TECH
Inferior alveolar nerve protection guide plate based on mandible cystic lesion scaling
InactiveCN105816219ATo achieve the purpose of functional surgical treatmentDigital surgery precisionComputer-aided planning/modellingAnatomical structuresInferior alveolar nerve
The invention relates to the field of medical instruments for maxillofacial orthopedics, in particular to an inferior alveolar nerve protection guide plate based on mandible cystic lesion scaling. The inferior alveolar nerve protection guide plate comprises a guide plate body. The guide plate body is provided with a guide plate inner side face and a guide plate outer side face, and is further provided with a guide plate front edge, a guide plate rear edge, a guide plate upper edge and a retainer. The guide plate front edge and the guide plate rear edge serve as the left end and the right end of the guide plate body respectively, the end of the guide plate front edge is provided with a cystic lesion anterior boundary indication edge, and the end of the guide plate rear edge is provided with a cystic lesion posterior boundary indication edge. The guide plate upper edge is located at the upper end of the guide plate body, the end of the guide plate upper edge is provided with a guide plate upper edge line, and the form of the guide plate upper edge line is completely fit with that of a cystic lesion lower edge needed for preoperative simulation. The retainer is located at the bottom end of the guide plate inner side face and is concave, and the form of the retainer is completely fit with that of a mandibular angle needed for preoperative simulation. Through the protection guide plate, important anatomical structures such as the inferior alveolar nerve are positioned and protected, and meanwhile intra-operative guidance is provided; the guide plate is easy and convenient to operate and low in price.
Owner:SICHUAN UNIV
Nerve detection method and device
PendingUS20220240852A1Accurate locationSatisfy safety performance requirementsImage enhancementImage analysisCoronal planeLearning data
The present invention relates to a method and a device for detecting a nerve, the method comprising the steps of: acquiring a learning image including a plurality of splices arranged in a coronal plane direction; generating learning data in which a nerve and mental tubercle and / or a mandibular angle, serving as a reference for detecting the nerve, are set in the learning image, and learning the learning data so as to generate a learning model; inputting a target image into the learning model; and detecting a nerve from the target image on the basis of the learning data, and application through other embodiments is possible.
Owner:DIO
Shaping-area limiting device for angle of mandible and making method therefor
InactiveCN1850012AFree from damageImprove the results of plastic surgeryBone implantDiagnosticsBody of mandibleEngineering
The present invention relates to a plastic range limitation device of mandibular angle. It includes a spacing sheet and two fixed sheets which are respectively positioned on outer side edge of said spacing sheet, the described fixed sheets can be bent along outer side of said spacing sheet and connected with said spacing sheet, the inside edge of said spacing sheet is matched with predefined cutting line. Said invention also provides a method for manufacturing said limitation device.
Owner:鹏意达商务咨询(深圳)有限公司
Head rest for operating table
InactiveCN103040580BInflict physical damageEasy to take x-rayOperating tablesFrontal boneEngineering
The invention provides a head rest for an operating table. The head rest for the operating table comprises a base and a head fixture, wherein the base is connected with an operating table; and the head fixture is connected with the base. The head fixture comprises a first supporting part, a second supporting part, a first clamping part and a second clamping part, wherein the first supporting part is used for supporting the frontal bone of a patient's head; the second supporting part rotatably connected with the first supporting part is used for supporting the cheekbone of the patient's head; the first clamping part which is connected with the first supporting part and capable of rotating in the vertical direction is used for clamping the occipital bone of the patient's head; and the second clamping part arranged on the second supporting part is used for clamping the mandibular angle of the patient's head. The base is provided with a hollow projection area corresponding to the portion just below the patient's neck. Traction of the patient's neck or accurate displacement of the patient's head in horizontal and vertical directions can be realized by moving the head rest during surgery.
Owner:简月奎
Mandibular angle fracture reduction forceps
The invention relates to mandibular angle fracture reduction forceps, including a first forcep body and a second forcep body. The two forcep bodies are hinged together through a pin roll. Each forcepbody comprises a forcep claw section on the front part and a handle section on the rear part. The front end of the forcep claw section is provided with a forcep mouth which is used to insert into a corresponding auxiliary retention hole by the side of a fracture line to apply a fold reset force. Each forcep claw section is provided with a support top surface which is used to abut against the surface of a mandibular angle bone on the corresponding side of the fracture line to ensure fracture broken ends on two side of the fracture line to be aligned when the forcep mouth applies fold reset force. The support top surface is arranged on the rear part of the front end of the corresponding forcep claw section in a staggered manner. After the forcep mouth is inserted into the auxiliary retentionhole, through the support top surface on the rear abutting against the mandibular angle bone on the two sides of the fracture line, even though no operation field exists when the reduction forceps apply reset force, the mandibular angle bone on two sides of the fracture line can be ensured to be aligned. The reduction forceps can prevent bones from being damaged since the forcep mouth is insertedtoo deep in the auxiliary retention hole.
Owner:仝春实
Method and apparatus for mandibular support
A mandible support device comprising a structural member comprising a support component and an adhesive component. The support component is configured to extend from the head or face above the mandible to the region of the gonial angle, or from the gonial angle on a first side of a face to the gonial angle on a second side of a face, across the premaxilla region of the face. The adhesive componentis configured such that the structural member can be temporarily attached to the skin.
Owner:BLR SLEEPWELL LLC
Nerve detection method and device
PendingCN113873947AQuick Auto DetectAccurate automatic detectionImage enhancementImage analysisCoronal planeLearning data
The present invention relates to a method and a device for detecting a nerve, the method comprising the steps of: acquiring a learning image including a plurality of slices arranged in a coronal plane direction; generating learning data in which a nerve and mental tubercle and / or a mandibular angle, serving as a reference for detecting the nerve, are set in the learning image, and learning the learning data so as to generate a learning model; inputting a target image into the learning model; and detecting a nerve from the target image on the basis of the learning data, and application through other embodiments is possible.
Owner:株式会社迪耀
Special protractor for measuring degree of deviation of mandibular angle of torticollis of child from midline of human body
The invention relates to a special protractor for measuring the degree of deviation of the mandibular angle of the torticollis of a child from the midline of a human body. The protractor comprises a container and an angle ruler arranged on the container, and the angle ruler comprises a median ruler and a rotary ruler; a horizontal line is arranged on the side wall of the container, a straight line where the projection of the median ruler on the side wall is located penetrates through the middle point of the horizontal line and is perpendicular to the horizontal line, and the container is used for containing liquid used for judging whether the horizontal line is in a horizontal state or not. The projection of the rotating center of the rotary ruler on the side wall coincides with the midpoint of the horizontal line, and the included angle between the rotary ruler and the median ruler is the degree of the angle ruler. By adopting the technical scheme, an accurate mandibular angle deviation median position degree value can be provided for rehabilitation evaluation, and accurate data comparison is provided in the rehabilitation process.
Owner:HUADU DISTRICT GUANGZHOU CITY PEOPLES HOSPITAL
Lower-jaw holder and mask with same
PendingCN108378966ASolve the work intensitySolve usabilityRespiratory masksNon-surgical orthopedic devicesAnatomical structuresSkin Injury
The invention discloses a lower-jaw holder and a mask with the same. The lower-jaw holder comprises a lower-jaw holding plate. Mandibular angle holding hooks extending upwardly are arranged on the left side and the right side of the rear end of the lower-jaw holding plate respectively. A first binding strip located at the mandibular angle holding hook on the left side is arranged on the lower-jawholding plate. A second binding strip located at the mandibular angle holding hook on the right side is arranged on the lower-jaw holding plate. A third binding strip is arranged on the left side of the front portion of the lower-jaw holding plate. A fourth binding strip is arranged on the right side of the front portion of the lower-jaw holding plate. The lower-jaw holder can lift the lower jaw of a patient to hold it, and accordingly, the effect of opening an airway of the patient is achieved; the lower-jaw holder fits the anatomical structure of the human face, is attached to the skin closely, and accordingly, the skin injury is avoided; the lower-jaw holder is connected through the binding strips, and the lower jaw is lifted according to the mechanics principle; the lower-jaw holder issimple and convenient to use and practical, and can be operated and used smoothly by one person, so that labor and time are saved, burdens of medical staff are relieved, the lower-jaw holding effectis improved, and rescuing efficiency and effect are improved.
Owner:THE SECOND AFFILIATED HOSPITAL TO NANCHANG UNIV +1
Shaping-area limiting device for angle of mandible and making method therefor
InactiveCN100403999CFree from damageImprove the results of plastic surgeryDiagnosticsBone implantBody of mandibleEngineering
Owner:鹏意达商务咨询(深圳)有限公司
Quantitative measurement and analysis system for temporal-mandibular joint on magnetic resonance image
PendingCN112998688AEffective evaluationDecide on difficultyDiagnostic recording/measuringSensorsTreatment effectMandibular angle
The invention discloses a quantitative measurement and analysis system for temporal-mandibular joints on a magnetic resonance image. The system comprises the following steps: step 1, taking a condyle process maximum cross-section image in an MRI image as a measurement object, describing condyle process and mandibular ramus forms, selecting a most prominent point of the condyle process backwards and a most prominent point of the mandibular ramus backwards at the rear edge of the mandibular ramus, and connecting the two points to form a mandibular ramus trailing edge tangent line, namely a vertical reference line; and step 2, making a straight line perpendicular to the tangent line of the rear edge of the mandibular ramus to be tangent to the B-shaped incisura of the mandible, and determining a horizontal reference line. The system has the advantages that: a stable TMJ MRI measurement system can be established, the condylar process height can be effectively evaluated, comparison before and after treatment is carried out, and the treatment effect is evaluated; and the severity of the TMJ organic lesion can be evaluated by comprehensively evaluating the discoid-condylar distance, the joint discoid length and the condylar process height, so that formulation of a treatment scheme is guided, and the treatment effect is predicted.
Owner:SHANGHAI NINTH PEOPLES HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
A kind of preparation method of mandibular angle osteotomy navigation template
ActiveCN105943113BEasy to makeAccurately determineComputer-aided planning/modellingSurgical sawsMandibular angleOsteotomy
The invention discloses a mandible angle osteotomy navigation template preparation method, and the method comprises the steps: (1), building a virtual mandible three-dimensional model; (2), designing an osteotomy line; (3), marking an osteotomy initial body, registering the initial body, and obtaining a thickened registered body and a thickened osteotomy body; (4), carrying out the local Boolean addition of the thickened registered body and the thickened osteotomy body through employing the local Boolean operation, enabling the thickened registered body and the thickened osteotomy body to become an integrated navigation template, and carrying out the smoothening of the external surface; (5), obtaining a mandible angle osteotomy navigation template, and opening a 2.5mm*2.5mm window at a second molar position of the mandible angle osteotomy navigation template. The method provided by the invention is simple in preparation of the mandible angle osteotomy navigation template, and the template is provided with an effective registering part, wherein the registering part can accurately determine the position of the template.
Owner:SOUTHERN MEDICAL UNIVERSITY
Operating forceps used for mandibular angle fracture reduction
ActiveCN108992151ASmall degree of opening and closingReduce overflowSurgical forcepsFracture reductionOral tissue
The invention relates to operating forceps used for mandibular angle fracture reduction. The operating forceps comprise a first forcep body and a second forcep body. The two forcep bodies are hinged through a pin roll. Each forcep body comprises a forcep claw section on the front part and a handle section on the rear part. The front end of the forcep claw section is provided with a forcep mouth which is used to insert into a corresponding auxiliary retention hole by the side of a fracture line to apply a fold reset force. The forcep claw section on each forcep body is connected with a corresponding handle section in a bending transition manner through a bending section. The pin roll is arranged on the two forcep claw sections, so that the operating forceps used for mandibular angle fracture reduction form an oral cavity drag hook structure. The two forcep claw sections form a hook head of the oral cavity drag hook structure. The two handle sections form a handle of the oral cavity draghook structure. The pin roll is arranged on the two forcep claw sections, so that opening and closing degree of the two forcep claw sections is relatively low. When an oral cavity drag hook formed bythe operating forceps pulls an oral tissue, the oral tissue overflown between the two forcep claw sections is few, so as to reduce visual field shielding, and a single person can perform a reductionoperation.
Owner:仝春实
A kind of surgical forceps for mandibular angle fracture reduction
ActiveCN108992151BSmall degree of opening and closingReduce overflowSurgical forcepsFracture reductionOral tissue
The invention relates to operating forceps used for mandibular angle fracture reduction. The operating forceps comprise a first forcep body and a second forcep body. The two forcep bodies are hinged through a pin roll. Each forcep body comprises a forcep claw section on the front part and a handle section on the rear part. The front end of the forcep claw section is provided with a forcep mouth which is used to insert into a corresponding auxiliary retention hole by the side of a fracture line to apply a fold reset force. The forcep claw section on each forcep body is connected with a corresponding handle section in a bending transition manner through a bending section. The pin roll is arranged on the two forcep claw sections, so that the operating forceps used for mandibular angle fracture reduction form an oral cavity drag hook structure. The two forcep claw sections form a hook head of the oral cavity drag hook structure. The two handle sections form a handle of the oral cavity draghook structure. The pin roll is arranged on the two forcep claw sections, so that opening and closing degree of the two forcep claw sections is relatively low. When an oral cavity drag hook formed bythe operating forceps pulls an oral tissue, the oral tissue overflown between the two forcep claw sections is few, so as to reduce visual field shielding, and a single person can perform a reductionoperation.
Owner:仝春实
Human maxillofacial region explosion injury simulation and biomechanical simulation method, system and medium
PendingCN112036064AReduce loss of detailDesign optimisation/simulationSpecial data processing applicationsExplosive AgentsParticle dynamics
The invention belongs to the technical field of computer modeling, and discloses a human maxillofacial region explosion injury simulation and biomechanical simulation method and system and a medium. The method comprises the following steps: selecting a TNT explosive as an injuring object, taking an explosion target as a left mandibular angle midpoint, establishing a human maxillofacial region anatomical geometrical form through ANSA software, establishing a particle model of the human mandibular and TNT explosives through adoption of a smooth particle dynamics method, setting an explosive particle spacing, and analyzing the influence of explosive shock waves on soft and hard tissues of the human maxillofacial region. According to the method, the injury process and biomechanical characteristics of the human mandibular soft and hard tissue explosion injury are analyzed, the effectiveness of a smooth particle dynamics method in research of the human mandibular soft and hard tissue explosion injury is analyzed, and a new method is provided for a maxillofacial soft and hard tissue explosion injury model. Compared with a finite element research method, the smooth particle dynamics methodhas remarkable advantages in soft and hard maxillofacial tissue blast injuries, and a new method is provided for maxillofacial blast injury model research.
Owner:THE SECOND AFFILIATED HOSPITAL ARMY MEDICAL UNIV
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