69 results about "Bone chip" patented technology

The present invention relates to the field of dental implants, and in particular to an artificial dental implant positioning auxiliary tool. The tool comprises a positioning base plate, a first positioning member and a second positioning member. A first mounting platform and a second mounting platform are provided on the positioning base plate. The first mounting platform is located above the dental implant point, and the second mounting platform and the first mounting platform are spaced apart. The first positioning member is provided on the first mounting platform, and the second positioning member is rotated and provided on the second mounting platform. The second positioning member and the first positioning member are assembled to form a positioning hole. The present invention sets the positioning hole in an assembled form. When the drill bit is positioned, the second positioning member is rotated to an open state to facilitate the entry of the drill bit. Then, the second positioning member is switched to an assembled state to form a positioning hole to position the drill bit. There is no need for the drill bit to find a position for insertion, which is convenient for installation. At the same time, the diameter of the positioning hole can be set to match the diameter of the drill bit matching position. There is no need to reserve a large gap, and the positioning is more accurate. The positioning hole can be opened to facilitate the discharge of bone chips.

An implant drill according to the present invention includes: a drill body having a threaded cutting edge formed on an outer circumference thereof; and a reverse flute formed in a form of a groove on an outer circumference of the drill body so that cut bone chips are collected, and having a rotational direction and reverse directionality of the drill body so that the collected bone chips are pushed toward an end portion entering an inside of a drilling hole of the drill body by a rotation of the drill body.

A bone cutting device, such as a burr or saw blade, is irrigated to cool not only the bone cutting device itself, but also the bone of the subject on which a bone resection procedure is being performed. The bone cutting device can have one or more (e.g., a plurality of) internal flow channels that eject a cooling medium (e.g., water or an inert gas) from the bone cutting device. This emission of the cooling medium can not only flush bone chips from the resection site, thereby reducing frictional heating of the bone cutting device, but can also provide internal cooling to the bone cutting device while flowing through the one or more internal flow channels and also can cool the surface of the bone via conductive heat transfer (e.g., by the flow stream of the cooling medium impinging on the bone surface).

The utility model relates to a bone grafting instrument. The bone grafting instrument comprises a handle, an extension tube, a sealing cover and a storage bin for placing broken bones, the front end of the handle protrudes from back to front to form a protruding part, the extension pipe is communicated with the protruding part, and the sealing cover is in threaded connection with the end, away from the extension pipe, of the handle. According to the bone grafting instrument, through the mechanical structure of the pushing rod and the pushing plate, broken bones can be rapidly and effectively pushed to the position between adjacent vertebrae from the storage bin, the operation efficiency is greatly improved, the operation time and discomfort of a patient are reduced, the top plate and the closing assembly are used in cooperation, the broken bones can be accurately controlled to be released in the pushing process, and the bone grafting effect is improved. Compared with the prior art, excessive scattering or blocking of broken bones is avoided, the accuracy and the success rate of an operation are guaranteed, in addition, the storage bin is closed through the closing assembly, the broken bones are effectively prevented from leaking in the pushing process, the clean and sterile state of an operation area is kept, and the infection risk is reduced.

A device and system for inserting and impacting bone dowel allografts or bone chips into a bone tunnel. The surgical impacting system includes a surgical tamp having a proximal end and a distal end with an elongated shaft extending therebetween. The surgical tamp has an inner channel extending therethrough from the proximal end to the distal end. The distal end of the surgical tamp can have a distal tip. The surgical tamp may have a handle at the proximal end or a proximal tip at the proximal end. The surgical tamp may also have one or more slots extending through the exterior surface of the elongated shaft and into the inner channel. The surgical tamp can be configured for insertion into a delivery tube. The delivery tube serves the purpose of containing a bone dowel or bone chips therein for smooth insertion into the joint.

The utility model discloses a dental implant bone fetcher which comprises a drill bit and a drill bushing, the drill bit comprises a drill rod, a connecting seat and a drill edge which are sequentially connected, the drill edge is provided with a bone scrap containing hole extending in the axial direction of the drill edge, the upper end, away from the drill rod, of the drill edge is provided with an edge point, and the drill bushing is provided with a bone scrap containing part and an elastic sleeving part. The elastic sleeving part is provided with a plurality of sectioning claws, arc-shaped protrusions are arranged on the inner sides of the sectioning claws, a plurality of annular grooves corresponding to the arc-shaped protrusions are formed in the circumferential side of the connecting base, the annular grooves are distributed in the axial direction of the connecting base, and when the bone scrap collecting part is used, the bone scrap collecting part is arranged on the outer side of a drill edge in a sleeving mode, and the sectioning claws are clamped on the outer side of the connecting base. And the arc-shaped bulges are embedded in the corresponding annular grooves. Relative sliding of the drill bushing and the drill bit during working can be avoided, and stable and normal working of the bone fetcher can be guaranteed; and meanwhile, the abutting force of the side wall of the connecting base to the sectioning claw can be reduced, and the situation that the clamping force of the sectioning claw is reduced due to elastic fatigue is prevented.

A device and system for inserting and impacting bone dowel allografts or bone chips into a bone tunnel. The surgical impacting system includes a surgical tamp having a proximal end and a distal end with an elongated shaft extending therebetween. The surgical tamp has an inner channel extending therethrough from the proximal end to the distal end. The distal end of the surgical tamp can have a distal tip. The surgical tamp may have a handle at the proximal end or a proximal tip at the proximal end. The surgical tamp may also have one or more slots extending through the exterior surface of the elongated shaft and into the inner channel. The surgical tamp can be configured for insertion into a delivery tube. The delivery tube serves the purpose of containing a bone dowel or bone chips therein for smooth insertion into the joint.

1. Name of the design product: Bone chip reamer. 2. Use of the design product: Surgical instrument for dental implant. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Perspective view 1.

One embodiment of the present invention provides a dental drill comprising: a hollow drill body that accommodates alveolar bone chips generated when forming an implant bed in the alveolar bone; a cutting part that is formed at an end of the drill body and forms the implant bed in the alveolar bone as the drill body rotates; and a pair of windows penetrating through the outer circumferential surface of the drill body and disposed to face each other, wherein the horizontal widths of the pair of windows are different from each other.

The present invention discloses a wire anchor, comprising: at least two anchor segments that are independent of each other and have a preset interval, the anchor segments include at least one nail body segment and a nail head segment, the nail head segment is provided with a threading hole for threading a suture; a connecting pin for connecting all the anchor segments, each anchor segment is fixedly sleeved on the outer periphery of the connecting pin, and the interior of the connecting pin is provided with a through hole for threading a suture along its axis; when the wire anchor is implanted in the bone, the connecting pin can be pulled out from each anchor segment. When the connecting pin is pulled out, each anchor segment remains in the bone, and since each anchor segment is independent of each other and has a preset interval, bone scraps and bone tissue will fill in the gaps between each anchor segment, so that the bone tissue grows in the gaps, which is beneficial to bone growth and healing.

The invention discloses a medical orthopedic annular casing drill, and relates to the field of medical equipment, a drill bit is provided with an inclined cutting assembly, and chip removal assemblies are arranged between a drill body and the drill bit; the inclined cutting assembly comprises a tool face, a first auxiliary rear tool face, a second auxiliary rear tool face, a first main rear tool face, a front tool face and a second main rear tool face, wherein the first main rear tool face and the front tool face intersect to form a main cutting edge; the chip removal assembly comprises an inner cavity, an inner cavity face, an inclined opening and a vent hole, the inner cavity is formed in the drill bit, the inner cavity face is obliquely arranged in the inner cavity, and the inclined opening matched with the inner cavity face is formed in one end of the vent hole. The cutting edge inclination angle ensures the sharpness of the drill bit, the axial relief angle is formed by the reference plane included angle formed by the main cutting edge and the central axis of the drill body, the situation that a tool nose is broken due to large cutting resistance is effectively prevented, and fine bone chips generated during drilling are discharged through vacuum chip suction.

A drill bit having roughness areas in a flute to reduce debris clogging in the flute during drilling, reduce temperatures of the drill bit and material being drilled, and lubricate the drill bit during drilling among other features. The drill bit is useful to drill in many unique materials including mammalian bone to reduce or eliminate bone chips occluding the flute. The roughness areas evacuate the bone chips quickly and efficiently and generate a low temperature of the drill bit and drilled material.

The application discloses a self-tapping oral implant, comprising a main body, a containing cavity arranged in the inside of the main body, and a cutting groove arranged on the outside wall of the main body, wherein the cutting groove is communicated with the containing cavity. When the main body is screwed into the implant cavity of the alveolar bone of a patient, the main body cuts the inner wall of the implant cavity to form bone chips, the bone chips flow upwards along the cutting groove of the outside wall of the main body, the cutting groove is communicated with the containing cavity, the bone chips in the cutting groove flow into the containing cavity, most of the bone chips are received in the containing cavity of the main body, and the loss of the bone tissue of the alveolar bone to the outside is avoided; in the healing process of the alveolar bone, the bone chips in the containing cavity and the cutting groove can be combined with the alveolar bone together due to the communication between the containing cavity and the cutting groove and the combination of the cutting groove and the alveolar bone, so that the main body is more stably fixed in the alveolar bone of the patient. The application can be applied to the field of tooth implantation.

The utility model discloses a dental implant drill bit which comprises a drill bit body and a clamping handle, a first cutting edge is arranged at the free end of the drill bit body, the outer diameter of the drill bit body is gradually increased from top to bottom with the axis direction of the drill bit body as the vertical direction, and a second cutting edge is arranged on the outer side wall of the drill bit body in a protruding mode. The second cutting edges spirally extend in the axis direction of the drill bit body, the multiple second cutting edges are distributed along the outer side wall of the drill bit body at intervals, chip grooves are formed between the adjacent second cutting edges, multiple notches are formed in the outer side wall of the drill bit body, and the notches penetrate through the two sides of the second cutting edges so that the adjacent chip grooves can be communicated. The first cutting edge is arranged at the free end of the drill bit, the second cutting edge is arranged on the outer side wall of the drill bit body, and meanwhile, the chip discharging groove and the notch are formed to discharge cut bone chips in time, so that the cutting efficiency is greatly improved, and the problems that the dental operation time is long and excessive resources are occupied are solved.

The invention discloses an autogenous bone taking instrument which comprises a bone taking device, a positioner and a positioning channel, and the bone taking device has various forms. The trephine bone extractor is mainly used for obtaining complete bone blocks; after the spiral bone fetcher is positioned, the spiral structure drives the cut bone blocks to enter the storage cavity; the ring cutting bone taking device can be used for completely cutting bone blocks; the spiral lifting bone taking device can store broken bone blocks in a centralized mode through a spiral structure. The bone taking bin is composed of a bin body and a bin cover, and bone scraps are cut through an incomplete circular groove. The bone scraper scrapes broken bones in the bone taking channel through the sharp cutting edge at the front end, and the broken bones can be taken out through the storage cavity. Three fixing needles are arranged on the edge of the positioner to facilitate intraoperative positioning, and a bone taking hole is formed in the middle and used for positioning the intraoperative bone taking device. The positioning channel is of an oval exposed structure and has two forms. The autologous bone extractor is high in bone extraction efficiency and operation precision, and the operation effect and the postoperative recovery effect of a patient can be effectively optimized.

1. The name of the design product: medical flusher (trauma orthopedics). 2. The use of the design product: used for flushing wounds, wounds, bone chips during trauma and orthopedic surgery. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The present invention relates to a tibial osteotomy guide protection device based on 3DP technology and an assembly method thereof, belonging to the field of medical device technology, including a personalized customized tibial fixation sleeve, a bone debris recovery baffle plate slidingly arranged on the outer side of the tibial fixation sleeve, a tibial osteotomy guide surface on the front end surface of the tibial fixation sleeve, a bone trough osteotomy guide groove on the top of the tibial fixation sleeve, and a bone trough osteotomy depth guide arranged on the front end surface of the bone trough osteotomy guide groove. The present invention simultaneously arranges a baffle structure of a protective enclosure, a recovery structure curled to form a waste bone debris recovery groove, and a guide structure accurately guiding the osteotomy path on the osteotomy guide protection device, thereby facilitating the protection of adjacent tissues from being damaged during osteotomy, facilitating clear osteotomy operation guidance and easy operation, facilitating the rapid and effective collection and cleaning of bone debris during osteotomy, and facilitating the accurate osteotomy size to ensure subsequent bone grafting and fixation, thereby greatly improving the convenience and success rate of surgery.

The vertebral plate rongeur comprises a fixed rongeur body, a movable rongeur body and a handle assembly driving the movable rongeur body to slide on the fixed rongeur body. The movable clamp body comprises a clamp body sleeve with an internal channel, a drill rod penetrating through the clamp body sleeve, a bone grinding drill bit fixed to the far end of the drill rod, and a driving device connected with the near end of the drill rod; a part of the bone grinding drill bit is exposed outwards from the far-end opening of the forceps body sleeve; the driving device is used for driving the drill rod and the bone grinding drill to rotate; one end of the negative pressure drainage tube is communicated with an internal channel of the forceps body sleeve, the other end of the negative pressure drainage tube is connected with a suction device, and a through hole for sucking bone scraps into the forceps body sleeve is formed in the far end of the forceps body sleeve. In the operation process, the driving device drives the bone grinding drill bit to rotate through the drill rod, the bone grinding drill bit grinds bone tissue in the rotating process, bone scraps generated by grinding are sucked out of the body through the forceps body sleeve and the negative pressure drainage tube, a surgeon can operate continuously, operation time is shortened, and tissue wounds are reduced.

The invention discloses a bone scrap retention prevention operation drill bit, and belongs to the technical field of medical instruments, the bone scrap retention prevention operation drill bit comprises a hollow drill bit, a plurality of bone scrap collecting ports are formed in the bottom end of the drill bit in the circumferential direction at equal intervals, a micro spiral conveying shaft is arranged in the drill bit, and a follow-up driving mechanism is assembled between the bottom end of the micro spiral conveying shaft and the drill bit; a plurality of bone chip collecting openings are formed in the bottom end of a drill bit in the circumferential direction at equal intervals, a miniature spiral conveying shaft is arranged in the drill bit, a follow-up driving mechanism is assembled between the miniature spiral conveying shaft and the drill bit, a connecting rod is arranged at the top end of the miniature spiral conveying shaft, and a bone chip collecting box is rotationally arranged on the outer side wall of the miniature spiral conveying shaft; the miniature spiral conveying shaft and the drill bit are driven to rotate, the rotating drill bit cuts bones to form bone holes, bone scraps generated in the cutting process enter the drill bit through the multiple bone scrap collecting openings and are conveyed into the bone scrap collecting box through the rotating miniature spiral conveying shaft, and bone scrap retention can be prevented.

The invention provides a multi-dimensional fixing device for femoral neck fracture, and belongs to the technical field of medical equipment. Comprising an intramedullary nail, and the intramedullary nail is installed in a medullary cavity on the inner side of a bone; the impurity removal mechanism is arranged on the inner side of the intramedullary nail and used for removing tiny bone scraps, exudates and inflammatory substances on the inner side of the medullary cavity, and the impurity removal mechanism comprises a sleeve installed on the inner side of the intramedullary nail. Through cooperation of parts such as the intramedullary nail and the like, due to the fact that the threads are arranged on the outer wall of the intramedullary nail, the intramedullary nail can be conveniently screwed into the inner side of the medullary cavity, the fracture position can be stabilized through the arrangement of the threads of the intramedullary nail, and due to the fact that an existing intramedullary nail is fixed in a symmetrical central type inner clamping plate type mode, the fracture position can be stably fixed. By arranging the threads on the outer wall of the intramedullary nail, the force line of a fracture can be stabilized, the fracture position is prevented from shifting or rotating, and it is ensured that the fracture position is kept stable in the healing process.

The application relates to the technical field of medical devices, and discloses a bone surgery drill equipment capable of recycling bone fragments, which comprises a shell, a power machine is fixedly installed at the top of the shell, the power machine outputs a torque and drives a transmission shaft to rotate when the power machine operates, a transmission shaft is fixedly installed at one end of a power machine output shaft, a negative pressure pipe is fixedly installed at the bottom of the transmission shaft, helical fins are arranged on the outer surface of the negative pressure pipe, and negative pressure holes are arranged on the outer surface of the negative pressure pipe between the helical fins. During the movement of the power machine, the transmission shaft and the ring gear rotate synchronously and in opposite directions, and under the transmission action of the inner sleeve and the rotating rod, the first drill grinding ball and the second drill grinding ball are synchronously and reversely driven to rotate, so that the vibration of the torque difference and the deflection force can be offset, the friction force generated by the first drill grinding ball and the second drill grinding ball when contacting with the bone is parallel and opposite, and can also be offset, and the practicability of the device is improved.

The application provides a femoral neck fracture multidimensional fixing device, and belongs to the technical field of medical devices. The device comprises an intramedullary nail, which is installed in the intramedullary canal of the inner side of the bone; a impurity removal mechanism, which is arranged on the inner side of the intramedullary nail, is used for removing the tiny bone chips, exudates and inflammatory substances on the inner side of the intramedullary canal, and the impurity removal mechanism comprises a sleeve which is installed on the inner side of the intramedullary nail. The cooperation of the intramedullary nail and other parts is achieved, the outer wall of the intramedullary nail is provided with threads, the intramedullary nail is conveniently screwed into the inner side of the intramedullary canal, the fracture site is stabilized by the threads of the intramedullary nail, the existing fixation mode of the intramedullary nail is a symmetrical central inner splint type fixation, the threads arranged on the outer wall of the intramedullary nail can stabilize the force line of the fracture, prevent the fracture from being displaced or rotated, and ensure that the fracture site remains stable during the healing process.

A drill bit having roughness areas in a flute to reduce debris clogging in the flute during drilling, reduce temperatures of the drill bit and material being drilled, and lubricate the drill bit during drilling among other features. The drill bit is useful to drill in many unique materials including mammalian bone to reduce or eliminate bone chips occluding the flute. The roughness areas evacuate the bone chips quickly and efficiently and generate a low temperature of the drill bit and drilled material.

The present application relates to the technical field of oral tools, and discloses an oral implant angle fitting, adjusting, installing tool, which comprises a universal implant mobile phone and a mobile head, a washing assembly is arranged on the outer side of the universal implant mobile phone, and an air curtain assembly is arranged on the outer side of the universal implant mobile phone; a protection assembly is arranged on the outer side of the universal implant mobile phone; the washing assembly comprises a first fixed plate, the first fixed plate is fixedly connected to the outer surface of the mobile head, a plurality of liquid outlet heads are arranged in a circumferential array on one side of the outer surface of the first fixed plate, the liquid outlet heads are all arranged obliquely, and the liquid outlet heads are obliquely directed towards the position of the drill bit of the mobile head; the present application aims to solve the problem that, when performing surgery on the elderly, bone chips generated by drilling are accumulated in the deep part of the cavity, which not only causes the drill needle to jam and deviate, the implant path to deviate from the preset angle, but also hinders the observation of the bone wall morphology and anatomical structure by the operator, and increases the risk of bone wall penetration and nerve and blood vessel injury.

1. The name of this design product: Medical Irrigator (Traumatology and Orthopedics). 2. Purpose of this product design: Used for flushing wounds, wound surfaces and bone chips during trauma and orthopedic surgery. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention relates to an ultrasonic osteotome and an ultrasonic osteotome system. The ultrasonic osteotome comprises a knife rod and a knife head, and the knife rod is used for being detachably connected with a transducer and transmitting ultrasonic vibration generated by the transducer to the knife head; the cutter head comprises a connecting section and a cutting section, the connecting section is used for connecting the cutting section with the cutter bar, the cutting section is used for cutting bone tissue, at least part of the cross section, perpendicular to the axis of the cutter bar, of the cutting section is in a C shape, and the far end, in the axis direction of the cutter bar, of the cutting section is provided with a far end surface making contact with the bone tissue and a plurality of first cutting teeth; the cross section of the cutting section of the tool bit is designed to be C-shaped, namely, the tool bit is of a similar shovel-shaped structure, and the cutting teeth are arranged on the surface, making contact with tissue, of the front end of the tool bit, so that the tool bit at least can achieve cutting in the axis direction of the tool bar and in the axis direction of the tool bar; and the cut bone chips can be better removed from the cutting grooves, so that the tool bit has various bone cutting functions and bone tissue removing functions at the same time.

The invention relates to a surgical instrument (10) for use in dental, oral, and / or mouth, jaw, and facial surgery, wherein the instrument (10) has an interface (16) for connecting the instrument (10) to a dental angle (14) or handpiece (12), by means of which interface the instrument (10) can be connected to a dental angle (14) or handpiece (12) in such a way that the instrument (10) can be driven by the angle (14) or handpiece (12) in a rotating movement about a rotation axis (X). The instrument (10) further has a drum-shaped base body (18), wherein a collecting space (20) for collecting bone chips is formed inside the base body (18). The drum-shaped base body (18) has a lateral surface (22) (24) pointing radially outwards with respect to the rotation axis (X).wherein the instrument (10) has a blade for removing bone chips and an opening (26) which is arranged and designed such that bone chips removed by the blade (24) can penetrate through the opening (26) into the collecting space (20), characterized in that the blade (24) and in particular the opening is arranged on the lateral surface (22) of the base body (18).

A grinding module (60) for converting aggregate into bone chips includes a housing (34) adapted to be releasably attached to a base module (32). The housing has an inlet opening (152) through which aggregate is introduced into the housing, and an outlet opening (96) through which bone chips are discharged from the housing. A grinding element (170) is movably disposed in the housing between the inlet opening and the outlet opening for converting aggregate into bone chips. The housing includes a base (62) adapted to be releasably attached to the base module. The base includes the outlet opening and a cover (126) removably attached thereto. The cover includes the inlet opening of the housing. The base and the cover are collectively configured such that removing the cover from the base allows access to the grinding element.

The application discloses a craniotomy drill, which comprises a supporting and positioning assembly, a driving component, a drill bit and a control component; a limiting rod is arranged on a frame; a driving machine one is in sliding connection with the limiting rod, and a telescopic end of an electric telescopic piece is connected with the driving machine one; the drill bit is connected with an output rotating shaft of the driving machine one; an opening is arranged on a side wall of the drill bit, and a flexible push piece is embedded in the opening; a detection end of a torque sensor is connected with the output rotating shaft, and the driving machine one, the electric telescopic piece and the torque sensor are electrically connected with a controller. The limiting rod can abut against a skull, so that the drill bit cannot be dislocated; before the limiting rod abuts against the skull, the drill bit is precisely positioned by using a positioning rod; after the drill bit is positioned, the drill bit can be fed at a certain speed; when the drill bit is about to drill through the skull, the driving machine one and a driving machine two can immediately stop rotating; bone scraps on the outside of the drill bit can be pushed by the flexible push piece to a region far from the opening position, so that the bone scraps cannot fall into the skull.