32 results about "Bone chip" patented technology

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.

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 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 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.

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 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.

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 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.

The utility model relates to the technical field of medical instruments, in particular to a medical hollow drill bit. Comprising a rod body, a drill body and a handle part, a through hole is formed in the rod body, the drill body and the handle part are connected to the two ends of the rod body respectively, side edges and end edges which extend spirally are arranged on the drill body, the side edges are spirally arranged in the axial direction, the end edges are located at the far end of the drill body and arrayed in the circumferential direction, cutting grooves are formed between the side edges, chip containing grooves are formed between the end edges, and the side edges and the end edges are communicated; by means of the design, bone scraps are discharged through the cutting groove and the through hole, cooling liquid can be injected into the through hole during operation, friction heat is taken away, scrap accumulation is prevented, bone tissue thermal damage is reduced, and operation safety and efficiency are improved.

The invention relates to the technical field of spine minimally invasive surgeries, in particular to a depth-limiting adjustable spine endoscope visible trephine which comprises a trephine end rod, a limiting sleeve is slidably connected to the outer portion of a guide lead screw, a meshing rack layer is arranged on the outer side of the trephine end rod, a locking piece is movably installed on the outer side of the limiting sleeve, and a locking piece is movably installed on the outer side of the locking piece. The inner side of the pipe groove base is rotationally connected with a threaded lead screw, and the outer side of the threaded lead screw is in threaded connection with an endoscope set. According to the depth-limited adjustable spinal endoscope visual trephine, the limiting sleeve is driven by the meshing gear to move axially, and the insertion depth can be accurately preset; the locking screw and the gear inner thread layer are locked and fixed, the lowering depth of the endoscope can be adjusted through the thread lead screw, the cold light source light supplementing lamp and the high-definition CMOS sensor are matched, the cutting progress, the trephine position and the peripheral nerve state are fed back in real time, and directional collection of bone scraps is achieved by designing the material collecting gap between the trephine end rod and the through pipe and the annular material collecting box.

The invention discloses a pedicle screw and a pedicle screw kit. Wherein the pedicle screw body is provided with a first channel, a plurality of second channels and liquid guide pieces arranged in the second channels, and the first channel penetrates through the head and the tail of the pedicle screw. The first end of the second channel is communicated with the first channel, the second end of the second channel extends to the side wall of the pedicle screw, and the liquid guide part protrudes out of the surface of the side wall of the pedicle screw. And the second channel is configured to allow external substances to enter from the second end and be in contact with the liquid guide piece. And the liquid guide piece is configured to be capable of absorbing liquid in the first channel and conducting the liquid to the side wall of the pedicle screw. According to the pedicle screw, bone scraps can enter the pedicle screw conveniently through the arrangement of the second channel, the liquid guide piece is arranged in the second channel, the growth direction of the bone in the pedicle screw is guided, and the pedicle screw and the bone are stably anchored.

Apparatuses and methods for a flexible obturator for use with an access assembly of an intraosseous device are disclosed. The flexible obturator can include elastic properties and a relatively low column strength, a relatively low shear strength, and / or a relatively high compression strength. The obturator can prevent bone chips and tissue from obstructing the needle lumen when the obturator is supported in the needle. When removed from the needle, the obturator can deform under force to prevent accidental needle sticks. The flexible obturator can define a radially symmetric profile and can conform to the interior profile of the needle lumen. The flexible obturator can extend beyond the distal tip of the needle and be trimmed to be flush with the bevel of the needle. This simplifies the manufacturing process, allowing a single size of obturator to fit multiple sizes of needles.

This invention discloses an electric osteotomy device for femoral head surgery, belonging to the field of osteotomy device technology. It includes a lateral displacement adjustment rail, with a sliding laser position detection seat slidably connected to the bottom end of the rail. A high-precision medical multi-axis robotic arm is connected to the bottom end of the sliding laser position detection seat. With the assistance of a protective adjustment component, bone fragments generated during osteotomy are adhered and collected to a certain extent, facilitating subsequent collection and preventing them from affecting the surgery, thus reducing surgical risks and complications. Combined with an external real-time imaging system and an overall control system, the electric osteotomy device effectively avoids damage to surrounding blood vessels and nerves. Furthermore, with the assistance of a temperature rise correction component, the flow rate of argon gas is controlled to regulate the temperature of the electric osteotomy device and the cutting site, effectively reducing temperature rise damage to surrounding tissues.

The application discloses a pedicle screw and a pedicle screw kit. The pedicle screw body is provided with a first channel, a plurality of second channels and a liquid guide arranged in the second channel. The first channel penetrates the head and tail of the pedicle screw. The first end of the second channel is in communication with the first channel, and the second end of the second channel extends to the side wall of the pedicle screw. The liquid guide protrudes from the surface of the side wall of the pedicle screw. The second channel is configured to allow external substances to enter from the second end and contact the liquid guide. The liquid guide is configured to absorb the liquid in the first channel and conduct the liquid to the side wall of the pedicle screw. The second channel is arranged to facilitate the entry of bone chips. The liquid guide is arranged in the second channel to guide the growth direction of the bone in the pedicle screw, so that the pedicle screw and the bone are stably anchored.

The invention relates to the technical field of medical instruments, and discloses a reaming lavage suction bone grafting device which comprises a handheld power operation body, a reaming drill rod connected to the output end of the handheld power operation body, an auxiliary grip arranged on the reaming drill rod in a sleeving mode and a collecting mechanism. The collecting mechanism is used for collecting bone scraps generated in the marrow expanding process and comprises an outer shell, a sealing cover detachably installed at the top of the outer shell, a filter cartridge installed in the outer shell and an inner collector arranged in the filter cartridge, and the sealing cover is connected with a liquid outlet pipeline of the auxiliary grip; the inner collector comprises a top cap positioned at the top of the filter cartridge and a collecting bottom plate arranged at the bottom of the filter cartridge. The elastic reset piece is arranged on the top cap of the inner collector, so that the inner collector is automatically ejected out of the outer shell when the sealing cover is taken down after an operation is completed, the bone chip collecting unit can be conveniently, hygienically and integrally taken and placed, and the problems that a tool is needed for taking out bone chips and the bone chips are prone to scattering in a traditional device are solved.

The utility model relates to a low heat accurate reduction bone needle, its main body structure comprises a needle tip part, a needle body and a needle tail part, the needle tip part is provided with a three-blade structure, each blade part is provided with a front knife face, a cutting edge, a first rear knife face and a second rear knife face, a lengthened spiral groove structure is arranged between every two blade parts, the needle body is marked with scale marks, and the needle tail part is provided with a first spiral groove and a second spiral groove. One end of the needle body is connected with the needle tip part, and the other end of the needle body is connected with the needle tail part. Due to the design of the lengthened spiral groove, bone scraps can be completely removed, heat is effectively reduced, and secondary damage caused by too much bone scraps and too high heat is avoided; the scale line design of the needle body assists a doctor in accurately determining the using length and accurately controlling the bone drilling depth in the operation process, and the bone drilling needle has the advantages of being low in heat, high in efficiency, accurate in positioning, accurate in resetting, convenient to operate, capable of preventing osteonecrosis caused by high temperature, avoiding secondary damage to bones caused by the phenomena such as blade breaking and the like and the like.

The invention discloses a bone chip cutting and sorting device, which belongs to the technical field of medical instruments and comprises a cutting container, a bone grinding device, a first screening part and a second screening part, and the diameter of screening holes of the first screening part is larger than that of screening holes of the second screening part. The first screening part and the second screening part divide the cutting container into a first screening cavity, a second screening cavity and a third screening cavity which are distributed up and down, a bone grinding cutter head capable of rotating is arranged in the bone grinding device, a bone cutting inlet and a bone scrap outlet are formed in the bone grinding device, the bone cutting inlet is located above the bone grinding cutter head, and the bone scrap outlet is located below the bone grinding cutter head. And the bone scrap outlet is communicated with the first screening cavity. The osteotomy of a patient is put into the bone grinding device, the bone grinding cutter head is rotated to grind the osteotomy, ground bone scraps fall into the first screening cavity of the cutting container through the bone scrap outlet, and then the process of grinding and particle size sorting at the same time is achieved under screening holes of the first screening part and the second screening part, so that the screening efficiency is improved, and the waiting time of the patient in an operation is shortened.

The embodiment of the utility model provides an alveolar bone chipping drill for dental implant, which comprises a straight-rod-shaped handle part, a drill bit body is arranged at the front end of the handle part, and a connecting part matched with external dental handpiece equipment is arranged at the tail end of the handle part; the drill bit body comprises a first cutting part and a second cutting part; the first cutting part and the second cutting part are coaxial; and the cutting radius of the first cutting part is different from the small cutting radius of the second cutting part. According to the alveolar bone chip taking drill for the dental implant, the alveolar bone can be drilled into a shape which is close to an implant and similar to a cone through the first cutting part and the second cutting part which are different in radius, so that the implanting of the cone-shaped implant is facilitated, and the positioning effect of the positioning drill bit on the drill bit body is improved; the annular cutting drill body located on the periphery of the positioning drill bit can effectively guarantee center positioning. And bone scraps can be effectively collected through the bone scrap storage cavity, and bone scrap loss is avoided.

The utility model discloses a drilling positioning device, and particularly relates to the technical field of drilling positioning, the drilling positioning device comprises a mounting rack, a positioning assembly I and a positioning assembly II, the positioning assembly I comprises a support, a cylinder is rotatably arranged in the support, mounting holes which are opposite in pairs are formed in the outer wall of the cylinder, and the positioning assembly II comprises a positioning assembly I and a positioning assembly II; wherein a detachable motor and an infrared positioner are fixedly arranged in the two mounting holes respectively, a detachable drill bit is fixedly arranged on an output shaft of the motor, and the support is connected with the mounting frame through an adjusting assembly. A doctor is helped to quickly determine the drilling position through the infrared positioner, meanwhile, the positioning barrel is attached to a skeleton, the secondary positioning effect can be achieved, the skeleton can be separated from a skin layer, the skin layer is prevented from being accidentally injured during drilling, and the skin layer is prevented from being inflamed and swollen due to the fact that bone scraps generated during drilling are burst into the skin layer; and the drill bit is driven by the adjusting assembly and the motor to rotate and move downwards to drill holes in the bone, and inaccurate positioning of manual drilling is avoided.

The invention discloses a bone drill for dental implant, and aims to solve the problems of bone waste and insufficient initial stability of an implant when a traditional bone drill is used for drilling. The device comprises a drilling part, a transition part and a clamping part, has the advantages of being simple and clear in structure, easy and convenient to operate and high in operation accuracy and safety, solves the problems of bone waste, maxillary sinus lifting, operation complexity, large trauma, long healing time and the like during implantation hole preparation in the traditional technology through the synergistic effect of reverse threads and a taper structure, and is suitable for popularization and application. By means of the design, the autogenous bone scraps can be stored and utilized to the maximum extent, waste of bone resources is avoided, the autogenous bone scraps can be conveyed to the tip while the cavity is prepared, safe and efficient maxillary sinus lifting is achieved by extruding and conveying the autogenous bone scraps, the osteogenesis efficiency and the implant stability are improved, operation wounds and operation difficulty are reduced, and the operation cost is reduced. The obvious clinical application value is realized.

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

1. The name of the design product: medical flusher (trauma orthopedics). 2. The use of the design product: the design product is used for flushing wounds, wounds, and 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 drawing.

The invention relates to the technical field of medical instruments, in particular to a bone scrap retention prevention operation drill bit which comprises a hollow drill bit body, a plurality of bone scrap collecting openings are formed in the bottom end of the drill bit body at equal intervals in the circumferential direction, a miniature spiral conveying shaft is arranged in the drill bit body, and a follow-up driving mechanism is assembled between the bottom end of the miniature spiral conveying shaft and the drill bit body. The top end of the drill bit is rotatably connected with a bone scrap collecting box through a bearing, the bottom end of the bone scrap collecting box is fixedly connected with a cleaning port with a valve, the top end of the bone scrap collecting box is provided with a communicating port, and the top end of the connecting rod penetrates through the communicating port and extends to the outside. According to the drilling device, accumulation of bone scraps on the drill bit can be reduced, and the drilling effect is guaranteed.