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42results about "Dentist forceps" patented technology

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

Socket shield technique kit

InactiveUS20260041524A1Dental implantsDentist forcepsTrephineMechanical engineering
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

Drag hook for impacted wisdom teeth

ActiveCN224056103UDentist forcepsWisdom toothApparatus instruments
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

Dental elevator with protection function

ActiveCN224251510UDentist forcepsDentistryMechanical engineering
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

Adjustable tooth decay tooth extractor

PendingCN121287333ADentist forcepsPharmacy medicineDental forceps
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

Dental instrument, impacted tooth traction device and the installation method thereof

PendingUS20260069377A1Arch wiresDentist forcepsDental instrumentsImpact tooth
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

Magnetic traction device for impacted tooth and a method for installing the same

PendingUS20260007491A1Dentist forcepsOthrodonticsImpact toothImpacted 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

Wisdom tooth dislocation pliers

PendingCN121196767ADentist forcepsWisdom toothAnatomy
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

Control method of a device for extracting a tooth root and device

In a control method for a device, in particular for the extraction of tooth roots, the device (10) has an anterior oral-side support (12), a tensioning element (15) guided in the anterior oral-side support, and a tensioning mechanism (20) connectable with the tensioning element (15). The tensioning element (15) is deflected at the front at approximately right angles to the longitudinal extent of the support (12) and is connected with a pin which can be fastened in the tooth root. The tensioning element (15) is pulled into its stretched state by a controllable motor with low force consumption or is connected with the pin in this stretched state. The stretching force (F) is then increased manually or automatically to a predetermined fixed or variable value by preferably increasing the electrical output of the motor of the tensioning mechanism (20), and thereafter, when the tooth root has been loosened, the output of the motor is reduced to a limiting value or to zero. The extraction of tooth roots can thus be carried out very easily and extremely safely, in particular by a dentist.
Owner:本诺·西弗瑞格

Locking dental forceps for tooth extraction

ActiveEP4274507B1Dentist forceps
A denial forceps includes a first, elongate member having a first beak portion and a second elongate member including a second beak portion. The first elongate member and the second elongate member are connected to each other at a pivot point that allows the elongate members to rotate with respect to each other. The dental forceps also includes a locking arm that is connected to one of the elongate members. The locking arm engages a series of teeth that is positioned on the other elongate member. While the locking arm engages the series of teeth, the position of the elongate members with respect to one another is maintained.
Owner:FRAZEE DENNIS

Dental forceps with depth limiting baffle

PendingCN121489666ADentist forcepsDental extractionOral problems
The invention provides dental forceps with a depth limiting baffle, and relates to the technical field of medical instruments, the dental forceps comprise working assemblies and a depth control assembly, the two working assemblies intersect and are rotatably connected to form a rotating joint, and the rotating joint is connected with the depth control assembly; the depth control assembly at least comprises an adjusting knob and a limiting baffle connected with the adjusting knob, the height of the limiting baffle is adjusted through rotation of the adjusting knob, and the adjusting knob is connected to one side of the rotating joint. The working assembly comprises forceps beaks and handles, and the adjusting knob and the limiting baffle are both located between the two handles. An adjusting gear is connected to the end, close to the rotating joint, of the limiting baffle and movably connected with the adjusting knob. Limiting lugs are connected to the side portions of the rotating joints, and an adjusting gear is connected between the two limiting lugs. The problems that in the prior art, the dental forceps cannot effectively control the insertion depth of the forceps beak and are poor in universality are solved.
Owner:WEST CHINA STOMATOLOGICAL HOSPITAL OF SICHUAN UNIV

Extraction forceps

ActiveCN224387560UReduce the types of equipmentImprove operational convenienceDentist forcepsApparatus instrumentsTooth extraction forceps
The utility model relates to medical instrument technical field especially is involved in tooth forceps, including the first handle and second handle of split type design, the first handle front end is connected with the first bill, the second handle front end is connected with the second bill, and the first bill and the second bill are articulated through the fulcrum pivot between, be provided with the connecting rod adjusting mechanism for adjusting the fulcrum pivot position on the first handle, and the connecting rod adjusting mechanism includes with slide rail assembly and multilink linkage assembly, and slide rail assembly extends along the first handle inner surface axial direction, and slide rail assembly and multilink linkage assembly one end swing joint, multilink linkage assembly is connected between the fulcrum bearing and slide rail assembly, and one end of multilink linkage assembly is fixed on the second handle, the utility model discloses through setting adjustable clamping fulcrum structure, realizes the adjustment to the mouthful of clamping fulcrum position, to adapt to the anatomical form of different tooth root, reduces the risk of crown fragmentation, and promotes the efficiency and safety of tooth extraction operation.
Owner:FOSHAN GAOMING DISTRICT PEOPLES HOSPITAL

Medical crown removing forceps for mouth rehabilitation

ActiveCN223773870UDentist forcepsForcepsScrew thread
The utility model discloses a medical crown-removing clamp for mouth rehabilitation, which belongs to the technical field of mouth rehabilitation and comprises a crown-removing clamp for taking out a dental crown of the mouth of a patient, the crown-removing clamp comprises an operating handle, a connecting cylinder and a crown-removing head, the connecting cylinder is in threaded connection with the operating handle, the crown-removing head comprises a first crown-removing head and a second crown-removing head, and the first crown-removing head and the second crown-removing head are in threaded connection. The first crown removing head is arranged in the center of the bottom of the connecting cylinder, an adjusting groove is formed in the connecting cylinder, the upper end of the second crown removing head penetrates through the adjusting groove to be located in the connecting cylinder, the second crown removing head and the adjusting groove are arranged in a sliding fit mode, and the upper end of the second crown removing head is in threaded connection with a fixing rotary knob. According to the device, when a dental crown needing to be worn by a patient needs to be replaced or the dental crown is loosened, damaged, not sealed in edge and the like, a medical worker can hold the operating handle by hand to take out the crown removing head hook on the dental crown, and the crown removing heads are the first crown removing head and the second crown removing head, so that the contact area of the crown removing heads on the hook and the dental crown can be increased.
Owner:THE FIRST MEDICAL CENT CHINESE PLA GENERAL HOSPITAL

Intelligent high-efficiency equine animal cleaning and repairing tooth extraction machine

PendingCN121221313ADentist forcepsAnimal teeth treatmentDental instrumentsOral problems
The invention provides an intelligent efficient equine animal cleaning, grinding, repairing and tooth extraction machine, and relates to the field of dental instruments, the intelligent efficient equine animal cleaning, grinding, repairing and tooth extraction machine comprises a clamp and grinding mechanisms arranged at the two ends of the clamp respectively, the grinding mechanisms comprise mounting seats arranged on the clamp and cavities formed in the mounting seats, in order to solve the problems that in the prior art, an electric tooth grinding tool is single in function, only one side of an equine animal tooth can be ground when the electric tooth grinding tool works, the angle needs to be continuously adjusted for peripheral grinding when the electric tooth grinding tool works, and the working efficiency is low, high-efficiency grinding is achieved through the arranged grinding mechanism; by arranging the grinding mechanism, the problem that in the prior art, excessive grinding causes damage to the teeth of the equine animals is solved; through the arranged grinding mechanism, the problem that in the prior art, the grinding efficiency is affected by impurity accumulation is solved; and through the arrangement of the polishing mechanism, the problem that secondary tooth extraction in the prior art causes great harm to equus animals is solved.
Owner:SHANXI ZHUOXIN MEDICAL LIFE SCIENCE RESEARCH INSTITUTE CO LTD

Adjustable dental forceps

ActiveCN223668075UDentist forcepsDental forcepsTooth extraction forceps
The pair of adjustable dental forceps comprises a first forceps body and a second forceps body, the middle positions of the first forceps body and the second forceps body are hinged, and the tail ends of the first forceps body and the second forceps body form an operating end; the pliers further comprise pliers heads, the pliers heads are installed at the head positions of the first pliers body and the second pliers body in a telescopic rotating mode, and each pliers head can be stretched relative to the pliers body or the working angle can be adjusted; and the spacing-adjustable contact head is arranged on the contact surface of the forceps head and the teeth, and the contact surface is adjusted according to the size of the teeth. According to the utility model, the clamping area of the forceps head can be adjusted according to the width of teeth, and the angle and extension length of the forceps head relative to the forceps body can be adjusted, so that the flexibility and efficiency of tooth extraction operation are obviously improved.
Owner:HAIYAN COUNTY STOMATOLOGICAL HOSPITAL

Tooth pliers with locking mechanism for tooth extraction

ActiveDE602022035602T2Dentist forcepsLocking mechanismTooth extraction forceps
Owner:FRAZEE DENNIS BARGERSVILLE

Handheld vise for dental crowns

ActiveUS12496174B1Dentist forcepsVicesDental crownsBiomedical engineering
A handheld vise for dental crowns includes a vise block, an elongated handle extending from the vise block, a linear screw embedded in the vise block, and first and second jaws. The second jaw may be arcuate on a gripping surface thereof to conform to the shape of a dental crown. The handheld vise is sized for quickly and readily securing a dental crown such as a stainless-steel dental crown for use in pediatric dentistry. An elastomeric material may be used on the gripping surfaces of the vise. A radius of curvature of the gripping surface of the second jaw may be between about 25-35 mm. A height of the jaws may be between about 2-5 mm, and a distance between the first jaw and a vertex of the second jaw may range from about 3-10 mm. A method and kit for forming crowns including the handheld vise are disclosed.
Owner:KING SAUD UNIVERSITY

Dental extraction car needle with double depth setting mechanism

PendingCN122182215AHigh precisiongood repeatabilityDentist forceps
The application discloses a dental surgical tooth extraction car needle with a double depth setting mechanism, and relates to the technical field of medical devices.The car needle comprises a car needle body, wherein the car needle body has a working end and a handle portion, a blocking ball is installed at the joint of the working end and the handle portion of the car needle body, and a first mark point and a second mark point are installed on the surface of the working end of the car needle body.The car needle has the advantages that the first mark point and the second mark point are arranged on the surface of the working end of the car needle body, and the two mark points are sequentially arranged along the direction from the tip of the working end to the handle portion, so that a doctor can know the bone removal depth in stages by observing the level relationship between the mark points and the gum or the bone surface in a direct vision mode without relying on subjective hand feeling, the depth judgment is converted from experience dependence to visual confirmation, and the accuracy and the repeatability of the bone removal operation are significantly improved.
Owner:陈大为

Therapeutic tooth bud ablation

ActiveUS12582501B2Dental implantsDentist forcepsTooth agenesisTeeth missing
A system including a sensored ablation probe tip and a virtual stent, said sensored ablation probe tip for use in a tooth bud ablation procedure that results in tooth agenesis, said sensored ablation probe tip for use with an ablation probe unit. A system including a sensored ablation probe tip and a stent, said sensored ablation probe tip for use in a tooth bud ablation procedure that results in tooth agenesis, said sensored ablation probe tip for use with an ablation probe unit.
Owner:TRIAGENICS INC

Visual minimally invasive tooth extraction knife

ActiveCN224008499UDentist forcepsDisplay deviceEndoscope
The utility model provides a visual minimally invasive tooth extraction knife, which comprises a handle for holding; a connecting assembly; the knife body is detachably connected with the handle through the connecting assembly, the knife body can rotate, and the knife body acts on a tooth root to enable the tooth root to be dislocated; the visual endoscope is movably mounted on the knife body and the connecting assembly, and is used for positioning and observing a tooth root; and the display is connected with the visual endoscope and is used for transmitting a real-time picture.
Owner:KUNMING YANAN HOSPITAL (KUNMING CADRE NURSING HOME)

Multifunctional minimally invasive dental elevator

ActiveCN223640852UDentist forcepsTeeth fillingGonial angleApparatus instruments
The utility model relates to the technical field of medical instruments for tooth extraction, in particular to a multifunctional minimally invasive tooth extraction elevator which comprises a mounting cylinder and the like, the mounting cylinder is of a cylinder structure and serves as an assembly carrier of the dental elevator, and a connecting ring is fixedly connected to the bottom of the mounting cylinder and used for mounting a tooth extraction tool for assisting minimally invasive tooth extraction; the device further comprises an H file, a round hole is formed in the top of the installation cylinder, the H file is rotationally installed at the round hole in the top of the installation cylinder, and the H file is used for being inserted into the root canal and then rotationally pulled out. The electric push rod and the servo motor cooperatively work, the H file is driven by the mounting plate to be accurately inserted into and rotationally pulled out of the root canal, manual operation errors are reduced, the operation time is shortened, the H file is more stable and accurate when inserted into and rotationally pulled out of the root canal due to the fact that the spiral angle of the H file is large and the inclination angle is zero, and the operation efficiency is improved. And excessive grinding of surrounding alveolar bones is effectively avoided.
Owner:TIBET AUTONOMOUS REGION PEOPLES HOSPITAL

Dental elevator structure capable of performing protective eradication

ActiveCN224008500UDentist forcepsTooth positionTappet
The utility model provides a dental elevator structure capable of performing protective eradication, and relates to the technical field of medical instruments, the dental elevator structure comprises a handle and a tappet rod, the tappet rod is arranged at one end of the handle, and an elevator blade is formed at the tail end of the tappet rod relative to the handle; a handle seat is sleeved outside the connecting end of the handle and the tappet, and an auxiliary rod which is relatively parallel to the tappet is inserted into the handle seat; the utility model has the beneficial effects that the auxiliary rod structure extending out of the tappet structure of the dental elevator is matched with the lever arm connected with the tappet to form a shearing force arm structure between fulcrums of the lever arm, and the auxiliary rod structure is matched with the movable support arm and the spring coil shaft rail which can be hinged on the force arm structure to form a shearing force arm structure between the fulcrums of the lever arm by means of the end part of the auxiliary rod and the tooth slot position; or a corresponding tooth frame fulcrum is erected through the auxiliary rod protection head to be matched with the lever arm to support the axial position of the tappet rod, so that the fulcrum structure of the dental elevator is protected, a tooth position angle can be conveniently and rapidly found in an operation to prize and eradicate teeth, and protection is provided for the whole eradication treatment.
Owner:DONGGUAN BINHAI BAY CENT HOSPITAL

Oral cavity dental forceps sleeve

ActiveCN223696037UDentist forcepsDental forcepsTooth extraction forceps
The utility model belongs to the technical field of dental forceps, and particularly relates to an oral cavity dental forceps sleeve which comprises dental forceps, a forceps head is fixedly connected to the end of the dental forceps, a forceps sleeve is connected to the outer side of the forceps head in a sleeved mode, an installation opening is formed in the edge of the top face of the forceps sleeve, a fixing band is connected to the outer side of the top of the installation opening in a sleeved mode, and a limiting groove is formed in the top face of the forceps sleeve. A mounting groove is formed in the bottom surface of the clamp sleeve, a clamping sleeve is inserted into the inner side of the mounting groove, and the two ends of the clamping sleeve are located on the two sides of the clamp sleeve. Through the arrangement of the forceps sleeve, the clamping sleeve and the fixing band, the forceps sleeve is sleeved on the outer side of the forceps head of the dental forceps, and the forceps sleeve can be made of resin materials, so that the forceps head can be well protected, the forceps sleeves with various shapes can be prepared in advance, the forceps sleeves with different shapes can be selected according to the tooth extraction requirements of medical personnel, the convenience of a tooth extraction operation is improved, and the operation is convenient. And compared with the preparation of a plurality of dental forceps, the use cost is reduced, and the arrangement is convenient.
Owner:SECOND AFFILIATED HOSPITAL OF XINJIANG MEDICAL UNIV

Minimally invasive axial tooth extraction device

ActiveCN224023693UDentist forcepsBiomedical engineeringTOOTH EXTRACTIONS
The utility model relates to a minimally invasive axial tooth extraction device which is used for extracting molar teeth. The device comprises a lifting clamp. The lifting clamp comprises a lifting clamp body and a base clamp body hinged to the lifting clamp body, and further comprises a clamping assembly. The lifting tong head is provided with a prying end, and the prying end exceeds the base tong head. The clamping assembly comprises a clamping frame, a pried piece, two linkage pieces and two oppositely-arranged clamping arms. The clamping arm comprises a clamping tooth part and a linkage part, the linkage part is hinged to the clamping frame, and the clamping tooth part is exposed from the bottom end of the clamping frame; a gap is formed between the bottom end of the clamping frame and the top end of the clamping frame; the prying end can be inserted into a gap between the bottom end of the clamping frame and the top end of the clamping frame; the two ends of the linkage piece are hinged to the linkage part and the pried piece correspondingly, so that the two clamping tooth parts are close to each other when the pried piece is far away from the clamping frame. Tooth extraction operation can be completed step by step with one hand, and convenience is achieved; and discomfort caused by tooth extraction can be reduced.
Owner:SHENZHEN CITY BAOAN DISTRICT MATERNAL & CHILD HEALTH HOSPITAL

Kit for horizontal impacted wisdom tooth extraction

ActiveCN119112393BDentist forcepsTooth pluggers/hammersWisdom toothOral problems
This invention discloses a tool kit for extracting horizontally impacted wisdom teeth, belonging to the field of medical device technology, to solve the problem of difficult wisdom tooth extraction in the prior art. The tool kit for extracting horizontally impacted wisdom teeth includes a connecting pin (1), a support base (2), and a dental elevator (3). The connecting pin (1) can be connected and fixed to the impacted wisdom tooth (6), and the support base (2) can be matched and connected to the buccal alveolar bone surface (7). The dental elevator (3) can rotate away from the impacted wisdom tooth (6) under the action of power, with the support base (2) as the fulcrum. During the rotation, the tool kit for extracting horizontally impacted wisdom teeth can conveniently and quickly extract the wisdom tooth through the lever principle, reducing clinical operation time and patient pain.
Owner:BEIJING STOMATOLOGY HOSPITAL CAPITAL MEDICAL UNIV

Oral implant extractor and extracting device

The invention discloses an oral implant extractor and an extracting device. The device comprises a holding handle, a taking-out handle, an adjusting rod and an adjusting frame. The holding handle and the taking-out handle are fixedly connected to form an L-shaped structure, sliding grooves are formed in the bottom of the taking-out handle in an array mode, and the interiors of the sliding grooves are connected with inner abutting plates with wedge-shaped structures through first springs; the adjusting rod slidably penetrates through the taking-out handle, a lower end fixing ring of the adjusting rod abuts against the wedge-shaped structure, and an upper end fixing block is slidably connected with the taking-out handle through a limiting rod and a second spring. The adjusting frame is rotationally connected to the holding handle, and the tail end of the adjusting frame is rotationally connected with the fixing block. The side wall of the taking-out handle is rotationally connected with an outer abutting plate, and the adjusting rod is in linkage with the outer abutting plate through a sliding block and a connecting rod. The inner abutting plate can be synchronously driven to expand outwards and the outer abutting plate can be synchronously driven to fold inwards by pressing the adjusting frame, and bidirectional stable clamping of the implant is achieved. The device is easy and convenient to operate, uniform and reliable in clamping force and capable of effectively improving the implant taking-out success rate and reducing the falling-off risk.
Owner:THE FIRST AFFILIATED HOSPITAL OF WANNAN MEDICAL COLLEGE (YIJISHAN HOSPITAL OF WANNAN MEDICAL COLLEGE)

Device for tooth extraction

PendingEP4680146A1Dentist forceps
The invention relates to a device (10) for tooth extraction, comprising a base element (20) having a longitudinal axis (L), a distal end (20a) and a proximal end (20b) and a pulling carriage (30) which is displaceable relative to the base element (20) and has a distal end (30a) and a proximal end (30b), and comprising a pulling element (40) having a first end (40a) and a second end (40b), wherein a first fastening device (41) for fastening to the tooth or to a fastening body fastened to the tooth is arranged on the first end (40a) and a second fastening device (42) for fastening to the pulling carriage (30) is arranged on the second end (40b), wherein the pulling element (40) is guided via a deflection part (23) arranged on the base element (20), wherein a clamping device (50) for generating a pulling force is arranged on the pulling carriage (30), wherein the clamping device (50) can be actuated by means of a adjusting element (60), wherein the second fastening device (42) has an element (43) which is partially spherical and has a diameter (DK) which is larger than the diameter (DZ) of the pulling element (40), and wherein the pulling carriage (30) has at least one blind bore hole (31) which has a lateral slit (32) pointing towards the distal end (30a) of the pulling carriage (30).
Owner:HELMUT ZEPF MEDIZINTECHN

Therapeutic tooth bud ablation

ActiveUS12514679B2Dental implantsDentist forceps
A system including a sensored ablation probe tip and a virtual stent, said sensored ablation probe tip for use in a tooth bud ablation procedure that results in tooth agenesis, said sensored ablation probe tip for use with an ablation probe unit. A system including a sensored ablation probe tip and a stent, said sensored ablation probe tip for use in a tooth bud ablation procedure that results in tooth agenesis, said sensored ablation probe tip for use with an ablation probe unit.
Owner:TRIAGENICS INC