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89results about "Dentist forceps" patented technology
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Kit for dental applications
A kit for dental applications includes a tubular body provided with an internal duct which is open to the outside at respective ends of the body; a first end defines a cavity adapted to accommodate a terminal portion of a pin which can be coupled to a maxillary bone tissue.The kit further includes at leasta retention ring, which has a radial cut and can be accommodated in the cavity, which is shaped complementarily; the retention ring s configured to allow the introduction of the terminal portion of the pin into the cavity and to hinder its accidental egress. The kit also includesa release tool, having a shank with a first longitudinal segment, which is terminal and can be inserted with play into the duct, and a second longitudinal segment, which is threaded and can engage a female thread provided along the internal wall of the duct.
Owner:RHEIN 83
Solid gel foam fire extinguishing agent, and preparation method and use thereof
A solid gel foam fire extinguishing agent includes a material A and a material B; the material A includes the following components in mass percentage: 18% to 25% of an inorganic silicate, 0.25% of sodium carboxymethyl cellulose, 0.25% of sodium alginate, 0.1% to 0.5% of xanthan gum, 0.5% to 1% of polyvinyl alcohol, 0.5% to 1.5% of sodium lauryl sulfate, 0.01% to 0.05% of dodecanol, 0.005% to 0.01% of disodium ethylenediaminetetraacetate, and water as a balance; and the material B includes the following components in mass percentage: 25% of sodium dihydrogen phosphate, 25% of acetic acid, 1% to 1.5% of fatty alcohol polyoxyethylene ether, 0.1% to 0.5% of 3% aqueous film-forming foam, 0.01% to 0.05% of the dodecanol, and water as a balance. The fire extinguishing agent exhibits advantages including low density, low oil wettability, high resistance, high adhesiveness, and foam collapse-resistant properties in fire resistance.
Owner:TIANJIN FIRE SCI & TECH RES INST OF MEM
Minimally invasive tooth extraction auxiliary tooth separation method and system
The invention provides an auxiliary tooth separation method and system for minimally invasive tooth extraction, and relates to the technical field of digital surgery in stomatology. According to the method, the oral anatomy three-dimensional electronic model is obtained by performing deep learning segmentation and three-dimensional reconstruction on the preoperative CBCT image, and the real-time spatial position and posture of the jaw bone are updated in combination with laser oral scanning of the preoperative anterior tooth area. On the basis, a three-dimensional simulation model is constructed, tooth division cutting path planning, interference judgment and dislocation space analysis are completed, precise tooth division cutting is implemented by a three-way mechanical arm along the planned path, and the safe and controllable automatic tooth extraction and tooth division process is completed in cooperation with water cooling and real-time track correction.
Owner:ZHEJIANG UNIV
Arch preparation system and method for receiving a full arch dental restoration device
A surgical guide for placing implants in a patient's replacement arch to support a teeth-only, gingiva-free, full-arch dental restoration device may include a surgical guide body configured to temporarily, securely mate with teeth and / or gums of a patient's replacement arch and surgical guide sleeves received in the body for guiding implant placement into a corresponding number of post-extraction root sockets of the replacement arch when the surgical guide body is mated with the teeth and / or gums, wherein each surgical guide sleeve is configured to substantially align a longitudinal axis of an implant with an axis of the corresponding post-extraction root socket, and wherein each surgical guide sleeve is configured to limit a depth of an implant within the corresponding post-extraction root socket such that a collar of the implant is generally above the outer cortex layer of the bone at least partially in the gingiva layer.
Owner:TRUBRIDGE DENTAL LLC
Detachable dental crown clamp
Owner:SHANGHAI CHENXIN MEDICAL DEVICES CO LTD
Broken tooth root taking-out instrument
The utility model provides a broken tooth root taking-out instrument, and relates to the technical field of medical instruments. The rod body I and the rod body II are hinged through a rotating shaft; the two rings are fixedly connected to one end of the rod body I and one end of the rod body II respectively; the two elbow pipe tongs are fixedly connected to the other end of the rod body I and the other end of the rod body II respectively; the two grooves are formed in the faces, close to each other, of the first rod body and the second rod body and used for taking out the tooth roots, one end of each elbow pipe wrench is in an arc sharp convex shape, the cross section of each groove is semicircular, the two elbow pipe wrenches form a circular pipe through the grooves, the thickness of the inner wall of each elbow pipe wrench is linearly decreased from left to right along a transverse shaft, and the inner wall of each elbow pipe wrench is in a circular arc shape. The arc surface of the finger ring is rotatably connected with a screw rod, and one end of the screw rod is fixedly connected with a knob. According to the utility model, through the arrangement of the elbow pipe wrench and the groove, the elbow pipe wrench can conveniently clamp a broken root when a visual angle or an anatomical structure is poor, and the effect of taking out the broken root is improved.
Owner:HOSPITAL OF STOMATOLOGY XIAN JIAOTONG UNIVERSITY
Socket shield technique kit
There is provided a kit for performing socket shield technique, and methods for using the kit, wherein the kit may include a wheel bur, having a first working surface disc and a second working surface disc configured to smoothen and cut hard tissues of a tooth; one or more trephine burs with stoppers configured to cut a root canal to create a first tooth fragment and a second tooth fragment, wherein each stopper is compatible with each of the one or more trephine burs; a root fragment remover configured to extract the first tooth fragment and stabilize the second tooth fragment; a split end elevator having a v-shaped notch tip configured to remove the first tooth fragment; a cylindrical bur to control the thickness of the second root fragment; and a round bur configured to separate the second root fragment from unwanted fragments.
Owner:ALDARY HASIB DR
Dental forceps cleaning rack
The utility model belongs to the technical field of cleaning racks, and particularly relates to a dental forceps cleaning rack which comprises a cleaning frame, a placing rack is placed in the cleaning frame, a first cross rod, a second cross rod, a third cross rod and a fourth cross rod are sequentially and fixedly installed on the side face of the placing rack, and a dental forceps body is placed on the surface of the placing rack. A handle of the dental forceps body is located between the two third cross rods, and the surface of the fourth cross rod is attached to the inner wall of the cleaning frame; a rubber fixing block on a placement frame is inserted into a fixing groove of a second cross rod, the fixing block is extruded to deform when entering the fixing groove, so that the placement frame and the second cross rod are driven to be fixed, two handles of a dental forceps body are rotated at the moment, and the dental forceps body is opened; and then the opened dental forceps body is placed on the placing rack.
Owner:PEKING UNIV SCHOOL OF STOMATOLOGY
Double Bladed Dental Elevator
The invention prescribes a dental tooth elevator for dental use, one embodiment of which exhibits a doubled bladed instrument formed by a U-shaped notch which resists bending for extracted teeth and gum line when embedded to expand and loosen teeth between tooth and bone both mesio-distal (backward) and bucco-lingual (side-to-side) as said elevator is twisted by operator increasing tooth movement while, unlike traditional straight elevators, the flat tipped doubled blades further resists slippage during tooth extraction.
Owner:FYFFE DAVID
Lithium ion battery with thermal runaway protection
Lithium ion batteries are provided that include materials that provide advantageous endothermic functionalities contributing to the safety and stability of the batteries. The endothermic materials may include a ceramic matrix incorporating an inorganic gas-generating endothermic material. If the temperature of the lithium ion battery rises above a predetermined level, the endothermic materials serve to provide one or more functions to prevent and / or minimize the potential for thermal runaway, e.g., thermal insulation (particularly at high temperatures); (ii) energy absorption; (iii) venting of gases produced, in whole or in part, from endothermic reaction(s) associated with the endothermic materials, (iv) raising total pressure within the battery structure; (v) removal of absorbed heat from the battery system via venting of gases produced during the endothermic reaction(s) associated with the endothermic materials, and / or (vi) dilution of toxic gases (if present) and their safe expulsion from the battery system.
Owner:CADENZA INNOVATION INC
Crown breaking pliers
The utility model provides crown breaking forceps, and relates to the technical field of medical instruments. The crown breaking forceps comprise two upper forceps bodies, the two upper forceps bodies are arranged in a hinged mode, the top ends of the two upper forceps bodies are each fixedly connected with two inverted-cone-shaped forceps beak heads, the bottom ends of the two upper forceps bodies are each provided with a lower forceps body, and installation grooves are formed in the outer sides of the upper forceps bodies. According to the crown breaking clamp, two abutting blocks extrude two clamping blocks respectively, the two clamping blocks move in the opposite directions, two first sliding rods slide on two fixing blocks, two first reset springs are elastically compressed, the two clamping blocks are moved out of two clamping grooves respectively, then a lower clamp body is rotated, a rotating block drives a rotating rod to rotate, and the two clamping blocks are clamped in the clamping grooves. After the lower plier body is rotated to a certain position, the two pressing blocks are loosened, the two clamping blocks are reset, and the two clamping blocks are clamped into the other two clamping grooves, so that folding of the crown breaking plier is achieved, and the problem that placing space is occupied when the crown breaking plier is stored and placed is solved.
Owner:WUHAN DAZHONG DENTAL MEDICAL CO LTD
Magnetic traction device for impacted tooth
A magnetic traction device for impacted tooth, comprising a first magnetic component fixed to a normal tooth and a second magnetic component fixed to an impacted tooth. There is an attractive magnetic force between the first and second magnetic components, thereby pulling the impacted tooth toward the direction of the normal tooth where the first magnetic component is located.
Owner:CHEN LIANG CHENG
Drag hook for impacted wisdom teeth
The utility model relates to the technical field of medical instruments, in particular to a drag hook for impacted wisdom teeth, which comprises a handle part, a first connecting part and a first working part which are smoothly connected in sequence, the first working part is L-shaped, and the first working part and the first connecting part form a Z shape; the bent position of the first working part is a spherical protrusion, and the end, away from the handle part, of the first working part is of a shovel-shaped structure. The included angle of the joint of the first working part and the first connecting part and the field angle of the first working part are obtuse angles. The first working part is L-shaped, and forms a Z shape with the first connecting part, so that the retractor is located at the optimal working position, and more surgical visual fields can be exposed; the bending part of the working part is arranged to be the spherical bulge, and the spherical bulge can push away and effectively block the buccal fat pad, so that the phenomenon that tissues of the buccal fat pad are drawn in by a cutting rotary head of a power system is prevented, the occurrence of extra trauma, bleeding and other complications can be effectively avoided, and the safety of an operation is improved.
Owner:HOSPITAL OF STOMATOLOGY SUN YAT SEN UNIV
Isolated tooth clamping forceps
The utility model relates to the field of medical instruments, in particular to a pair of isolated tooth clamping forceps, which comprises two forceps bodies and a pin shaft, the middle parts of the two forceps bodies are hinged through the pin shaft, one end of each forceps body is provided with a forceps head, the other end of each forceps body is provided with a forceps handle, the forceps head is provided with an anti-skidding part, and the anti-skidding part is provided with an anti-skidding groove. A locking assembly is arranged between the two plier handles, and the two plier bodies are kept in a clamping state through the locking assembly. The utility model has the effects of reducing the dropping between the clamping forceps and the tooth neck, and solving the problem that the medical personnel feel tired when holding for a long time.
Owner:BEIJING STOMATOLOGY HOSPITAL CAPITAL MEDICAL UNIV
Dental forceps for oral and maxillofacial surgery
The utility model belongs to the technical field of oral cavities, and particularly relates to oral and maxillofacial surgery dental forceps which comprise a dental forceps hand frame, and the dental forceps hand frame is hinged to the end of a hinge shaft. A clamping plate is hinged to the end part of the hinge shaft; friction blocks are mounted at the end parts of the clamping plates; a clamping groove is formed in the end part of the hinge shaft; a fixing block is slidably connected into the clamping groove. A fixing block is inserted into a clamping groove, then rapid installation is carried out through a fixing unit, a clamping plate is driven to rotate by controlling a dental forceps hand frame, illumination is carried out through an illumination device, a doctor can conveniently pull out teeth, needing to be replaced, of a patient, the tooth extraction precision and efficiency of the doctor are effectively improved, and the practicability is high. And then the clamping effect of the clamping plates is improved through the friction blocks.
Owner:LIAOYANG JIAHE STOMATOLOGICAL HOSPITAL CO LTD
Dental elevator with protection function
The utility model discloses a dental elevator with a protection function, which comprises a handle and a dental rod arranged at one end of the handle, one end, far away from the handle, of the dental rod is fixedly connected with a dental blade, and the dental elevator further comprises a supporting component which is arranged on the dental rod and is used for supporting the dental blade at a fulcrum when the dental blade is used. The supporting assembly comprises a rotating ring rotationally connected to the position, close to the side wall of the handle, of the threaded rod, a first rotating plate is hinged to the side wall of the rotating ring, the side wall of the threaded rod is sleeved with a protection ring, a second rotating plate is hinged to the side wall of the protection ring, and supporting plates are arranged at the opposite ends of the first rotating plate and the second rotating plate. According to the dental elevator with the protection function, due to the arrangement of the supporting assembly, when the dental elevator is used, the risk that the dental elevator slips due to stress in the use process is reduced, and after the dental elevator is used, the risk that a dental blade is exposed to cause collision damage or accidental scratch to medical staff is reduced.
Owner:DONGGUAN BINHAI BAY CENT HOSPITAL
Digitized surgical positioning guide plate for embedded polygenic teeth and manufacturing method of digitized surgical positioning guide plate
The invention relates to the technical field of oral medical instruments, and discloses an embedded polygenic tooth digital operation positioning guide plate which comprises a tooth supporting part and a bone supporting part which are integrated, and a positioning hole is formed in the bone supporting part; incision grooves are formed in the left side and the right side of the positioning hole in the bone supporting part, the upper ends of the incision grooves cross the boundary line of the tooth supporting part and the bone supporting part, and gaps are reserved between the lower ends of the incision grooves and the lower edge of the bone supporting part; the inner side face, used for being attached to the bone face, of the bone supporting part is divided into four areas by two incision grooves, the four areas comprise a bone area located between the two incision grooves, and a positioning hole is formed in the bone area; the two side skin areas are located in the area between the incision groove and the side edge of the bone supporting part; the inferior skin area is positioned in an area between one ends, far away from the tooth supporting part, of the two incision grooves and the lower edge of the bone supporting part; the heights of the four areas on the inner side face of the bone supporting part are different, the lower skin area is higher than the two side skin areas, and the side skin areas are higher than the bone area.
Owner:HANGZHOU ZINANZHEN MEDICAL DEVICES CO LTD
Solid gel foam fire extinguishing agent, and preparation method and use thereof
A solid gel foam fire extinguishing agent includes a material A and a material B; the material A includes the following components in mass percentage: 18% to 25% of an inorganic silicate, 0.25% of sodium carboxymethyl cellulose, 0.25% of sodium alginate, 0.1% to 0.5% of xanthan gum, 0.5% to 1% of polyvinyl alcohol, 0.5% to 1.5% of sodium lauryl sulfate, 0.01% to 0.05% of dodecanol, 0.005% to 0.01% of disodium ethylenediaminetetraacetate, and water as a balance; and the material B includes the following components in mass percentage: 25% of sodium dihydrogen phosphate, 25% of acetic acid, 1% to 1.5% of fatty alcohol polyoxyethylene ether, 0.1% to 0.5% of 3% aqueous film-forming foam, 0.01% to 0.05% of the dodecanol, and water as a balance. The fire extinguishing agent exhibits advantages including low density, low oil wettability, high resistance, high adhesiveness, and foam collapse-resistant properties in fire resistance.
Owner:TIANJIN FIRE SCI & TECH RES INST OF MEM
Fixing member and guiding device installed on an impacted tooth, method for passing the guiding device through the impacted tooth, and tool for assisting the guiding device in passing through the impacted tooth
A guiding device mounted on an impacted tooth, comprising a hook and a wire connected to the rear end of the hook. The hook has a curved shape and capable of passing through the transverse perforation of the impacted tooth. A method for passing the guiding device through the impacted tooth, by using the hook to guide the wire through the transverse perforation. A fixing member mounted on the impacted tooth, formed using the aforementioned method. A tool for assisting passing the guiding device through the impacted tooth, comprising a handle and a receiving portion connected to the handle, the receiving portion comprising a receiving hole and a slot. The receiving hole is capable of tightly receiving the hook of the guiding device, and the slot is in communication with the receiving hole, allowing the wire of the guiding device to pass through and extend out of the receiving portion.
Owner:CHEN LIANG CHENG
Tooth extraction protection device and use method
The invention discloses a tooth extraction protection device, and belongs to the technical field of dental medical instruments. Comprising a saddle-shaped body, a pressure sensing module, a vibration feedback module and a rapid maintenance device, wherein the saddle-shaped body is worn, attached to the surface of an adjacent tooth and used for protecting the adjacent tooth; a shape memory alloy support is arranged in the body, and a flexible buffer layer is arranged on the inner side of the shape memory alloy support. The pressure sensing module comprises piezoelectric sensors distributed on the body and is used for monitoring pressure distribution in a tooth extraction process in real time; the vibration feedback module is arranged on the operation end and electrically connected with the pressure sensing module, and when it is detected that the pressure exceeds a set threshold value, a touch vibration prompt is sent to the operation end; the rapid maintenance device comprises an ultraviolet disinfection box used for storing the body, and the body is detachably connected with the operation end through a magnetic rapid disassembly connector. The device can monitor the stress of adjacent teeth in real time during tooth extraction, when the stress is too large, the stress is fed back to a doctor for timely correction, and the safety and efficiency of tooth extraction are improved.
Owner:王玉娥 +2
Adjustable tooth decay tooth extractor
The invention relates to the technical field of medical apparatus and instruments, and discloses an adjustable decayed tooth extractor which comprises a mounting seat, a first hinge shaft is rotatably arranged on the mounting seat, two tooth extraction forceps are arranged on the first hinge shaft, a drug delivery mechanism is arranged on one tooth extraction forceps, and a liquid extraction mechanism is arranged on the other tooth extraction forceps; the dosing mechanism comprises a medicine storage groove, a piston, a first spring and a plurality of discharge ports, the medicine storage groove is formed in one of the dental forceps, the piston is slidably arranged in the medicine storage groove, the first spring is arranged in the dental forceps, one end of the first spring is connected with the dental forceps, the other end of the first spring is connected with the piston, and the discharge ports are formed in the dental forceps; and the plurality of discharge ports are communicated with the medicine storage tank. According to the adjustable tooth decay tooth extraction device, the position of the jaw can be fixed during tooth extraction, so that a doctor does not need to maintain the position with hands for a long time, one of the forceps parts is used for coating a wound with a hemostatic drug, and the other forceps part is used for sucking bloodstain.
Owner:NO 2 PEOPLES HOSPITAL HUAIAN CITY
Device for pulling out cross section root of horizontal impacted tooth
The utility model relates to the technical field of oral medical equipment, and provides a device for pulling out a horizontal impacted cross section root of a mandibular third molar, which comprises a suction component, a pulling component and a limiting component, the suction component is detachable and covers a second molar to form a limiting part, and the limiting component limits the pulling component. The extraction component is used for extracting the root parts of the segmented teeth; the suction component comprises a suction groove, an inflation pipeline, an inflation pump and a supporting air bag, one end of the inflation pipeline is connected with the supporting air bag, the other end of the inflation pipeline is connected with the inflation pump to form inflation parts, the suction groove covers the second molar in a buckled mode, the inflation parts are arranged on the two sides of the suction groove, and the suction groove is attached to the second molar; the limiting component is arranged on the upper end face of the suction groove and detachably connected with the pulling-out component. The novel device for pulling out the transverse root of the horizontal impacted tooth has the advantages of low risk of inferior alveolar nerve injury, high patient comfort, strong oral cavity tissue protection capability and simplicity and convenience in operation.
Owner:RUIKANG HOSPITAL OF GUANGXI UNIV OF TRADITIONAL CHINESE MEDICINE (GUANGXI INTEGRATED HOSPITAL OF TRADITIONAL CHINESE & WESTERN MEDICINE)
Dental instrument, impacted tooth traction device and the installation method thereof
A dental instrument includes a handle and an extension portion, the extension portion has a frontal protrusion that is used to hang an elastic traction ligature. An impacted tooth traction device includes a first bracket for being fastened to an impacted tooth, and a second bracket for being fastened to an anchor body, and the aforementioned elastic traction ligature that is used to connect the first bracket with the second bracket. A method for installing the impacted tooth traction device includes: fastening the first bracket to the impacted tooth, fastening the second bracket to the anchor body, and to connect the elastic traction ligature to the first and the second brackets after the elastic traction ligature is pulled to a certain length.
Owner:CHEN LIANG CHENG
Dental restoration system and method
In some aspects, the techniques described herein relate to a dental restoration device for a full-mouth dental replacement, including: a body extending between a gingival side and an occlusal / incisal side, wherein the body includes a plurality of teeth portions each having a tooth axis extending between the gingival side and the occlusal / incisal side that is offset from vertical; an ovate gingival contour defined on each tooth portion on the gingival side of the body; and at least first and second abutment holes extending through at least first and second teeth portions from the gingival side to the occlusal / incisal side, wherein each of the first and second abutment holes includes a longitudinal axis that is substantially coaxially aligned with the tooth axis of the first and second teeth portions, respectively.
Owner:TRUBRIDGE DENTAL LLC
Magnetic traction device for impacted tooth and a method for installing the same
A magnetic traction device for impacted tooth, comprising a first magnetic component fixed to a normal tooth and a second magnetic component fixed to an impacted tooth. There is an attractive magnetic force between the first and second magnetic components, thereby pulling the impacted tooth toward the direction of the normal tooth where the first magnetic component is located.
Owner:CHEN LIANG CHENG
Wisdom tooth dislocation pliers
The pair of wisdom tooth dislocation pliers comprises a left pliers body and a right pliers body, the front portion of the left pliers body is hinged to the front portion of the right pliers body, a right pliers mouth is arranged on the front portion of the left pliers body, a left pliers mouth is arranged on the front portion of the left pliers body, and the left pliers mouth and the right pliers mouth obliquely extend downwards from back to front. A double-wedge-shaped through groove is formed by the right side of the left clamp beak and the left side of the right clamp beak, a left clamp beak tip is arranged at the end of the left clamp beak, a right clamp beak tip corresponding to the left clamp beak tip is arranged at the end of the right clamp beak, and concave portions are arranged on the right side of the left clamp beak and the left side of the right clamp beak. The tooth extraction device is simple in structure, has double wedge-shaped working ends, can bypass adjacent teeth to enter a mesial gap between an alveolar ridge crest and a target tooth during use, uses a fulcrum of the alveolar ridge crest to apply force to dislocate the target tooth, effectively avoids damage to the adjacent teeth, efficiently realizes extraction of high-resistance normal wisdom teeth and residual roots and crowns, effectively reduces tooth extraction difficulty, reduces tooth extraction wound, and is good in consumer experience.
Owner:HEYUAN CHILI TRADING CO LTD
Periodontal ligament separation device with measuring function
The utility model relates to a periodontal membrane separating device with a measuring function, which comprises a handle, one end of the handle is connected with a separating knife, the separating knife comprises a knife bar and a knife edge, scales are arranged on the knife bar and the knife edge, and the section of the knife edge is triangular. Therefore, when it is measured that the depth of the separating knife penetrating into the alveolar socket is smaller than that of the alveolar socket, it can be judged that tooth root breakage occurs in tooth extraction, at the moment, the knife edge is inserted into the periodontal membrane from the side of the tooth root, the periodontal membrane is located between the alveolar bone and the tooth root, and the knife edge with the triangular section can penetrate through the periodontal membrane more easily, so that the tooth root is loosened. The utility model has the beneficial effects that the depth of the alveolar fossa can be measured, and the operation of separating the broken tooth root from the alveolar bone is simplified.
Owner:HUIZHOU STOMATOLOGICAL HOSPITAL CO LTD
Minimally invasive tooth extraction guide plate device with precise positioning function
Owner:QINGDAO JIMO DISTRICT PEOPLES HOSPITAL
Deciduous tooth extraction device
The invention relates to the technical field of dentistry, and discloses a deciduous tooth extraction device which comprises a handle and a clamping mechanism installed at one end of the handle, the clamping mechanism comprises two clamping blocks and a driving part used for driving the two clamping blocks oppositely or separately, and pressure sensors are arranged on the two clamping blocks; at least two groups of binding ropes for binding the side edges of the deciduous teeth are connected between the interiors of the two clamping blocks. According to the deciduous tooth extraction device, the two clamping blocks can be driven to clamp and fix the inner side and the outer side of a deciduous tooth through the driving piece, the at least two groups of binding ropes can be synchronously driven to tighten, the two clamping blocks can be matched to wrap and fix the tooth in all directions through the contraction of the at least two groups of binding ropes, and the deciduous tooth extraction device has a multi-layer fastening function; and by arranging two clamping blocks, a worker can conveniently and better insert a binding rope into a gap between teeth, so that the operation convenience is further improved.
Owner:中国人民解放军总医院第八医学中心