50 results about "Maxillofacial oral surgery" patented technology

The present invention relates to the biomechanical model of human lower jawbone in oral cavity masticatory surface surgery, and aims at forming one kind of experimental biomechanical model of human lower jawbone approaching the functional state. The biomechanical model includes lower jawbone, upper jaw model, temporomandibular joint model, occlusion platform, loading myodynamia and loading device. The model can be used in simulating the action of masseter, temporal muscle, musculus pterygoideus internus and musculus pterygoideus externus, and is superior to available simplified model. The biomechanical model of the present invention is accurate, objective and complete in simulating lower jawbone in functional state and is significant for relevant laboratory research and clinical application.

An image correction design system for an oral and maxillofacial surgery. The image correction design system comprises: a first image data scanning module for scanning to obtain image data of relative coordinate positions of maxillofacial bones, teeth, and soft tissues; a second image data scanning module for scanning image data of a plaster dental impression of a patient; a scanning image correction and comparison module for correcting and comparing the image data from the first image data scanning module and the image data from the second image data scanning module and performing archiving to obtain first archives; an image block calculation module for performing an image layer management and block cutting display of the first archives to obtain second archives; a surgery simulation image design module for inputting a surgery data parameter for the second archives after the image layer management and cut block display, so as to design and establish surgery simulation image files; and an output module for outputting the surgery simulation image files by using a display device.

The invention discloses a novel expander for oral and maxillofacial surgery. The expander includes a mounting plate, a fixing device is arranged on the right side face of the mounting plate, the outerside face of an arc-shaped plate of the fixing device is fixedly connected to the middle of the right side face of the mounting plate, and two symmetrical adjusting bases are arranged at the lower end of the right side face of the arc-shaped plate; the fixed ends of retractable rods of the adjusting bases are fixedly connected to the arc-shaped plate, a clamping groove is formed in the side faceof a fixing base of each adjusting base, screw rods are arranged in the clamping grooves, and the upper ends and lower ends of the side faces of the screw rods are both rotatably connected to the adjusting bases. The novel expander for the oral and maxillofacial surgery is simple in structure, adjustable and convenient to fix, the head of a patient can be fixed, the expander is prevented from being detached from the oral cavity of the patient, and the oral cavity of the patient can be expanded through L-shaped plates with supporting boards. Manpower is saved, the expansion size of the oral cavity can be adjusted through the screw rods, the operation is simple, and the expander is convenient to use.

The invention relates to a serum surface enhanced Raman spectrum based parotid tumor diagnosis technology, which is a novel technology directed at parotid tumor diagnosis by head and neck tumor surgery and oral and maxillofacial surgery. The technology mainly solves the problem that a conventional biopsy technique cannot be employed for definite diagnosis of parotid tumor patients before operation, replaces the parotid tumor local puncture biopsy technology, avoids complications caused thereby, simultaneously alleviates the work intensity of pathologists, and provides the basis for surgeons to adopt different operative treatment modes according to the benign / malignant nature of tumors. According to the technology, nanoscale gold sol particles are added into parotid tumor patient serum to enhance the intensity of a Raman spectrum so as to obtain a characteristic surface enhanced Raman spectrum of the tumor patient serum. Through analysis of a support vector machine on characteristic spectral data, a differential diagnosis model can be established for identifying different parotid tumors and providing the objective basis for preoperative diagnosis, thus establishing a quick and noninvasive new diagnosis technique.

The invention provides an iodine-loaded titanium alloy implant with functions of resisting bacteria and promoting osteogenic differentiation and mineralization, and a preparation method of the iodine-loaded titanium alloy implant. According to the preparation method, an iodine coating is fixed to a titanium alloy through a covalent grafting and redox reaction method, the prepared iodine coating titanium sheet shows antibacterial performance, can promote osteogenic differentiation of bone marrow mesenchymal stem cells, and can promote generation of a calcium phosphorylation layer in simulated body fluid. The preparation process provided by the invention is simple and feasible, has the advantages of high efficiency, low cost and good repeatability, and can effectively improve clinical defects of an existing titanium alloy implant applied to the orthopedics department, the oral and maxillofacial surgery department and the neurosurgery department can be effectively overcome, so that the occurrence rate of postoperative early infection after the titanium alloy implant is implanted into a body can be reduced, and related complications such as implant looseness caused by excessive inflammatory reaction is reduced.

The invention discloses a fixing false tooth false gingiva attachment body and a manufacturing method thereof. The fixing false tooth false gingiva attachment body includes a periodontal obstructing device, fixing false teeth, an attachment body and attachment body connecting mechanisms; the periodontal obstructing device combines with the attachment body connecting mechanisms; the fixing false teeth combines with the attachment body connecting mechanisms; and the periodontal obstructing device combining with the attachment body connecting mechanisms is connected to the fixing false teeth combining with the attachment body connecting mechanisms through the attachment body; The manufacturing method includes preparing crown and bridge prosthesis having the attachment body connecting mechanisms, molding in an oral cavity to form an alveolar bone defect zone model, finishing the model, demolding, placing the negative pole and positive pole of the attachment body, performing mold reversing,performing injection molding, performing polishing, etc. The problems that the periodontal obstructing device (false gingiva) and the fixing false teeth cannot be worn in the same time can be solved;the fixing false tooth false gingiva attachment body has advantages which the periodontal obstructing device and the fixing false tooth restoration have; operation wound brought by traditional oral and maxillofacial surgery bone grafting can be reduced; and the fixing false tooth false gingiva attachment body is accurate in molding, economical in price and comfortable and convenient to wear.

The invention belongs to the technical field of oral medical machinery, and particularly relates to an oral and maxillofacial surgery tumor excision device. The device comprises a pollution discharge mechanism, an endoscope, a mouth gag, a scalpel and a surgical clamp. The pollution discharge mechanism comprises an air pump and an air pipe; one end of the air pipe is connected with the air pump, and the other end is placed in the oral cavity; the device further comprises a cushion block, a disc, a motor and a controller. The cushion block is arranged to be in a U shape, an opening of the cushion block is upward, the cushion block is clamped on the neck, and the head sleeve is arranged beside the cushion block. The head sleeve is composed of two elastic bands. The two elastic bands are vertically connected, and one of the elastic bands is connected end to end. The motor drives the sliding block to move along the sliding rod, the sliding block and the screw rod enable the disc to abut against the cheek side of a patient, and therefore the stability of tumors on the oral and maxillofacial surfaces close to the cheek side in the excision process is improved, and then the excision difficulty of the tumors on the oral and maxillofacial surfaces close to the cheek side is lowered; meanwhile, the efficiency and the success rate of excising tumors on the oral and maxillofacial surfaces by workers are improved.

The invention provides a physical therapy device helping patients (who suffer a head and neck neoplasm radiotherapy, burn, an oral and maxillofacial surgery and the like) hard to open mouths to restore masticatory and language functions. The physical therapy device is composed of a body, a transmission part and a control part. The body comprises an upper shifting piece (1), lower shifting pieces (2) and a handle (3). The transmission part is a transmission flexible shaft (4). The control part comprises an adjusting rotary knob (5), a fixed handle (6) and a movable handle (7). Before use, the adjusting rotary knob (5) is rotated according to illness state. In use, the upper shifting piece (1) and the lower shifting pieces (2) which are in natural closed state are placed between upper and lower incisors, the handle (3) is held by one hand, and the fixed handle (6) and the movable handle (7) are held by the other hand. Once held, the movable handle (7) moves toward the fixed handle (6), allowing the upper shifting piece (1) and the lower shifting pieces (2) to be opened through the transmission flexible shaft (4), and accordingly the mouth is opened, and mouth functions are restored. The physical therapy device is applicable to the patients who have mouth opening difficulties and masticatory and language dysfunctions caused by the head and neck neoplasm radiotherapy, the burn, the oral and maxillofacial surgery and the like.

The invention provides an oral care device used after oral and maxillofacial surgery, and relates to the technical field of medical instruments. The oral care device used after oral and maxillofacialsurgery comprises a medical rubber sheet and an occlusion body, a square hole is formed in the middle of the upper side wall of the medical rubber sheet, a middle protrusion of the occlusion body is slidably connected with the square hole, two conical grooves are formed in the upper surface of the medical rubber sheet, and a conical protrusion is arranged on the lower surface of the occlusion body. The conical protrusions are connected with the conical grooves in a sliding mode, and steel hoop connecting grooves are formed in the positions, located on the edges of the two sides, of the upper surface of the meshing body. An outer cylinder drives the connecting plate and the extrusion teeth to press a yarn roll or a cotton ball into the tooth extraction position through the screws, a patientor a doctor does not need to press the yarn roll or the cotton ball for a long time, discomfort of the patient is reduced, ventilation is conducted through the ventilation grooves and the ventilationholes, and it can be guaranteed that the tooth extraction position has good breathability; and the medical rubber sheet and the occlusion body are connected to two sides of the tooth extraction position, so that a patient can normally eat.

The invention discloses a tumor clamping device for the oral and maxillofacial surgery, which comprises a supporting device and a clamping device, the supporting device comprises two supporting columns and two mounting strips, the two supporting columns are oppositely arranged in the left-right direction, the front surfaces of the two supporting columns are each provided with two connecting pieces which are oppositely arranged in the up-down direction, the two mounting strips are oppositely arranged in the up-down direction, the two ends of the two mounting strips are connected with the front ends of the connecting pieces respectively, an adjusting column is vertically arranged between the two mounting strips and can slide in the length direction of the mounting strips, a mounting piece is arranged on the outer surface of the middle of the adjusting column, the clamping device comprises an operating rod, an adsorption assembly and a clamping assembly, the operating rod is arranged on the mounting piece in a front-back moving mode, the adsorption assembly is arranged in the middle of the operating rod in a front-back adjustable mode and used for adsorbing a tumor, and the clamping assembly is arranged on the periphery of the adsorption assembly in an opening-closing mode and used for clamping and fixing the tumor. The tumor clamping device is convenient to use, stable in clamping, high in practicability, wide in applicability and good in using effect.

The invention relates to a U-shaped suspension drag hook for oral endoscopic surgery. The drag hook comprises a U-shaped drag hook body and a suspension structure. The U-shaped drag hook body is of a U-shaped structure consisting of strip-shaped plates, one end of the U-shaped structure is an extending end, and the other end of the U-shaped structure is a suspension end. The suspension structure is connected with the suspension end of a U-shaped plate. One end of the U-shaped drag hook body extends into a separated tissue gap, the other end of the U-shaped drag hook body passes through the suspension structure. The tissue is pulled to form a gap by adjusting pulling of the suspension structure, and an endoscopic minimally invasive surgery is conducted through the gap.

The invention discloses a novel distracter used for the oral and maxillofacial surgery. The novel distracter comprises an upper tooth socket and a lower tooth socket, wherein the upper tooth socket and the lower tooth socket are arranged in U-shaped structures, two fixing blocks are arranged between the upper tooth socket and the lower tooth socket, a screw hole is arranged in the top face of thefixing block positioned at the upper end, a screw hole is also arranged in the bottom face of the fixing block positioned at the lower end, a lug is fixedly mounted on each of the end faces, just opposite to the screw holes, of the upper tooth socket and the lower tooth socket, one end of each lug is inserted into the corresponding screw hole and is in threaded connection with the screw hole, a sleeve is fixedly mounted on the bottom surface of the fixing block positioned at the upper end, a bearing is mounted on the top face of the fixing block at the lower end in an embedding manner, a screwrod is fixedly mounted on an inner ring of the bearing, and one end of the screw rod is inserted into the sleeve and is in threaded connection with the sleeve. The novel distracter is simple in structure and small in size, and can be completely positioned in the oral cavity, the distracting degree can be effectively controlled, and meanwhile, the tooth sockets can be replaced according to the sizes of the teeth, so that the comfort of a patient is increased.

The invention discloses an oral and maxillofacial surgery tumor resection device, and belongs to the technical field of medical instruments. The oral and maxillofacial surgery tumor resection device comprises a first handle and a second handle, one end of the first handle and one end of the second handle are fixedly provided with a first clamping head and a second clamping head respectively, the first clamping head and the second clamping head are each internally provided with a knife storage box, a box cover is arranged outside each knife storage box, a cutting knife is arranged inside each knife storage box through a connecting rope, and movable grooves are formed in the side walls of the first clamping head and the second clamping head. According to the tumor resection device, a clamping and cutting assembly capable of achieving automatic clamping is arranged on the tumor resection device, during cutting, the device is directly rotated, effective girdling of a tumor is completed, the included angle between the first clamping head and the second clamping head is gradually reduced according to the cutting amount, the design is reasonable and ingenious, automatic clamping and cutting treatment of tumor tissue is achieved, the stability of tumor tissue cutting is effectively guaranteed, meanwhile, the operation difficulty of the device is lowered, the operation difficulty is lowered, and the operation effect is improved.

This invention relates to an image correction design system for oral and maxillofacial surgery, which comprises a first image data scanning module for scanning to obtain the image data of relative coordinate positions of maxillofacial bones, teeth, and soft tissues; a second image data scanning module for scanning to obtain the image data of plaster dental impression of a patient; a scanning image correction and comparison module for correction and comparison of the image data from the first image data scanning module and the image data from the second image data scanning module and archiving; an image block calculation module for performing image layer management and cutting block display of the archives; a surgery simulation image design module, which enters a surgery data parameter for the archives after image layer management and cutting block display to design and establish the surgery simulation image files; and, an output module for outputting the surgery simulation image files using a display device.

The invention discloses a head-wrapping towel used in general anesthesia for oral and maxillofacial surgery. The head-wrapping towel includes a triangle towel, a connection mechanism and a limit mechanism; and the triangle towel is provided with the connection mechanism, the triangle towel is provided with the limit mechanism, the connection mechanism includes a towel folding indication center line, a towel folding indication horizontal line, head circumference fixing stickers, a forehead protection pad and a rolled towel fixing sticker, and the towel folding indication center line is arrangedat the midpoint of the front of the triangle towel. Compared with the prior art, the head-wrapping towel provided by the invention has the following beneficial effects: the triangle towel, the towelfolding indication center line, the towel folding indication horizontal line, the head circumference fixing stickers, the forehead protection pad, the rolled towel fixing sticker, fixing blocks and nasal cannula fixing buckles cooperate with one another to realize the head-wrapping towel used in the general anesthesia for the oral and maxillofacial surgery, the head-wrapping towel is simple in structure and convenient to use, has a good head wrapping effect, and can be sterilized at high temperature, fix a nasal cannula and protect nose wings, so that the practicality and applicability of thehead-wrapping towel are improved, and the head-wrapping towel brings great convenience to users.

The present disclosure is directed to a customizable distractor for oral and maxillofacial surgery and a system and method for designing and making the same. The distractor includes a steering apparatus that is movable along the helical-shaped distraction path to create gap between the first and second bone segments, an anchoring member for coupling the steering apparatus a first and second bone segment, and a distraction drive mechanism is used to drive movement of the steering apparatus along the distraction path.

The invention discloses a dilator for oral and maxillofacial surgery, and relates to the technical field of medical mouth gags, the dilator comprises a mounting bottom plate and two mounting blocks, the surface of the mounting bottom plate is provided with a mounting hole, the surface of the mounting bottom plate is fixedly connected with a headrest, the surface of each mounting block is fixedly connected with a lower bite plate, and the inner wall of each mounting block is fixedly connected with a limiting rod; the surface of the limiting rod is slidably sleeved with a transmission bent rod, the inner wall of the transmission bent rod and the surface of the limiting rod are jointly and fixedly connected with a first spring, and the surface of the mounting block is provided with a first through hole allowing the transmission bent rod to penetrate out and slidably connected with the transmission bent rod. Through the mutual cooperation of the structures, the mouth distraction device has the effects that the mouth distraction device is suitable for being used by patients of different body types, the mouth distraction degree is controlled by the patient, the comfort degree of the patient is higher, the phenomena of chin dislocation or cramp and the like of the patient are effectively avoided, and the mouth can be manually adjusted for the patient incapable of opening the mouth by himself / herself.

The invention discloses a dilator for oral and maxillofacial surgery. The dilator comprises a movable frame, a supporting frame and an adjusting box, scale marks are arranged on the front face of theadjusting box, a two-way threaded lead screw is movably installed in the adjusting box, a first threaded sleeve part is movably installed on the two-way threaded lead screw, the movable frame is fixedly installed at the top of the limiting base, the supporting frame is movably installed on the outer side of the movable frame, an upper supporting base is movably installed on the back face of the movable frame through a threaded rod, and a lower supporting base is movably installed at the bottom of the upper supporting base. A bidirectional threaded screw rod is movably installed in the adjusting box, the bidirectional threaded screw rod is rotated to drive a movable frame to relatively move, a pointer is matched with scale marks, the opening distance can be conveniently mastered, and the lower supporting base is movably installed at the bottom of the upper supporting base, the patient can occlude on the upper supporting base and the lower supporting base and is not easy to fall off so that the operation is convenient and quick.

The invention relates to the technical field of tooth trimming devices, and discloses a tooth trimming device for oral and maxillofacial surgery, the tooth trimming device comprises a fixed handle, arc-shaped lifting grooves are formed in the upper parts of the front surface and the rear surface of the fixed handle, hollow columns are slidably connected to the inner sides of the arc-shaped lifting grooves, annular grooves are formed in the inner sides of the hollow columns, and the inner sides of the annular grooves are connected with the arc-shaped lifting grooves. A cylinder is rotationally connected into the hollow column, and a plurality of balls are slidably connected to the position, located on the inner side of the annular groove, of the outer side wall of the cylinder. During use, the fixed handle is held by a hand, starting of the micro motor is controlled by starting a switch of a power supply, so that the micro motor drives the grinding wheel to rotate, teeth are conveniently ground and trimmed, and the mounting block rotates in the hollow column through the cylinder and slides in the arc-shaped lifting groove in cooperation with the hollow column; the grinding wheel can better grind the teeth according to the distribution of the teeth in a rotating and lifting manner, and the teeth can be automatically adjusted.

The invention discloses a multi-head measuring device for blood vessel calibers. The multi-head measuring device includes a shell and a plurality of measuring cores with different specifications; theshell comprises a cap body, a hold rod and a tip which are connected in sequence in a threaded mode, a plurality of slide grooves are formed in the cap body, and a measuring hole is formed in the endof the tip; the measuring cores are arranged symmetrically inside the shell, and the measuring cores include measuring columns and measuring heads; the measuring heads are arranged at one ends of themeasuring columns, and the diameter of the measuring heads of the measuring cores is different; control blocks are arranged at the other ends of the measuring columns; each control block penetrates the corresponding slide groove and is arranged outside the cap body; and the control blocks can slide in the slide grooves, and the corresponding measuring head can protrude from the measuring hole by pressing the corresponding control block. Compared with existing single measuring rulers, the multi-head measuring device can be used for the measurement of blood vessel calibers during oral and maxillofacial surgery, and is especially suitable for operations with relatively narrow operating space, so that the problem that a front caliber ruler hinders the measurement of a rear ruler during use issolved.

The invention relates to a spreader, in particular to a spreader for oral and maxillofacial surgery. According to the dilator for the oral and maxillofacial surgery, the upper jaw and the lower jaw of a patient can be supported, the oral cavity of the patient can be prevented from being hurt by sharp objects, and the distraction range can be conveniently adjusted. The dilator for the oral and maxillofacial surgery comprises a first cushion block, a second cushion block, a guide mechanism, an up-down distraction mechanism and the like, the first cushion block and the second cushion block are arranged up and down, and the guide mechanism used for guiding is arranged between the first cushion block and the second cushion block. And the guide mechanism is provided with an up-down opening mechanism for assisting the opening of the oral cavity of the patient. The upper jaw and the lower jaw of a patient can be supported through the first cushion block and the second cushion block, the oral cavity of the patient can be prevented from being hurt by sharp objects, the opening range of the oral cavity of the patient can be conveniently adjusted by rotating the screw rod, and a doctor does not need to hold the oral cavity for a long time.