40 results about "Bone spicules" patented technology

The application discloses a guiding locking device and a fracture fixation system thereof, and relates to the technical field of medical devices. The guiding locking device comprises a guiding locking pipe and a locking piece, at least one strip-shaped slot is arranged on the pipe wall of the guiding locking pipe and communicates with the pipe cavity of the guiding locking pipe, the strip-shaped slot penetrates through the locking end, and the locking piece can drive the pipe wall of the locking end to contract. The fracture fixation system comprises a bone plate, a bone needle and the guiding locking device, a fixing through hole is arranged on the bone plate, the connecting end of the guiding locking pipe is fixedly connected with the fixing through hole, the guiding locking pipe is arranged perpendicularly to the bone plate, the bone needle is arranged in the pipe cavity of the guiding locking pipe, and the locking piece can drive the pipe wall of the locking end to contract and clamp the bone needle. The application reduces the risk of fracture displacement when the bone needle is used to fix the fracture; avoids the influence of the bone needle on the placement of the bone plate; shortens the length of the bone needle entering the medullary cavity, so that the application scene of the temporary fracture fixation technology of the bone needle is not limited in the treatment of the fracture by the intramedullary nail; and the stability is better than that of the multiple bone needles used to fix the fracture.

The invention relates to the technical field of orthopedic surgery medical instruments, and discloses a surgical tibia reduction support which comprises a bottom connecting plate, the upper portion of the bottom connecting plate is movably sleeved with a first telescopic rod, the end of the first telescopic rod is fixedly connected with a connecting plate, and the upper portion of the connecting plate is fixedly connected with a second telescopic rod. According to the tibia reduction support for the operation, a first round bone needle and a second round bone needle are installed in a bone, a second inclined rod and a first telescopic rod are sequentially connected to the outer portion of the first round bone needle and the outer portion of the second round bone needle in a sleeving mode, the first inclined rod and the first telescopic rod are installed on the two sides of a leg, and meanwhile a telescopic adjusting plate is rotated to adjust the angle of equipment; the first telescopic rod and the second telescopic rod installed at the two ends of the thigh are synchronously rotated, the length of the first telescopic rod and the length of the second telescopic rod are adjusted and controlled, the first telescopic rod and the second telescopic rod can drive the fracture part to be stretched, and therefore the staggered bone is driven to be stretched and positioned, and the bone positioning accuracy is improved.

The invention discloses an axial micro-motion and rigid locking dual-mode switchable fracture external fixation support, and relates to the technical field of orthopedic medical instruments, and the key points of the technical scheme are that the fracture external fixation support comprises two bone needle assemblies; the outer sleeve is connected with one bone needle assembly; the telescopic inner core rod is connected with the other bone needle assembly and is sleeved in the outer sleeve in an axial sliding manner; the elastic buffering assembly is arranged between the outer sleeve and the telescopic inner core rod; the mode switching assembly is arranged on the telescopic inner core rod and can be operably connected with or separated from the outer sleeve; when the mode switching assembly is separated from the outer sleeve, the telescopic inner core rod can axially slide relative to the outer sleeve and act on the elastic buffering assembly. When the mode switching assembly is connected with the outer sleeve, the telescopic inner core rod is rigidly connected with the outer sleeve through the mode switching assembly. Fixing modes can be conveniently switched according to different stages of fracture healing, secondary operation is not needed, and the fracture healing environment is optimized.

This invention provides a rapid positioning and clamping device for orthopedic surgery. The device includes a reflective positioning component, a reflective array fixation clamp component, and a bone pin fixation clamp component. The reflective positioning component includes a reflective positioning array, a first fastening magnet, and an array connector. The reflective array clamp component includes a spherical adjustment component, an array fixing base, a second fastening magnet, a magnet cover, a magnet locking screw, a first spring front-end fixing ball, a first spring, a first spring cover, and a connecting rod. The bone pin fixation clamp component includes a first bone pin clamp outer frame, a second bone pin clamp outer frame, a cylindrical support component, a third spring, a fixing screw, a second spring front-end fixing ball, a second spring, a second spring cover, a bone pin, and a bone pin fixing screw. The rapid positioning and clamping device provided by this invention allows for rapid installation and removal of the reflective positioning component, and allows for rapid adjustment of the reflective positioning component's position during surgery.

The utility model relates to an external fixing frame for treating hallux valgus through plane orthopedic treatment, which is fixed on a phalanx and comprises a fixing section, a transverse slide rail and a correcting section, the fixed section comprises a first vertical slide rail and a first bone needle; the first bone needle is arranged on the first vertical slide rail; the transverse sliding rail is arranged on the first vertical sliding rail in a sliding mode. The correction section comprises a second vertical slide rail and a second bone needle; the second vertical slide rail is arranged on the transverse slide rail in a sliding manner; the second bone needle is arranged on the second vertical slide rail; the first vertical sliding rail and the transverse sliding rail both protrude towards the side away from the phalanx and are bent in an arc shape. Through the first vertical sliding rail, the second vertical sliding rail and the transverse sliding rail, the position angle of the first bone needle and the position angle of the second bone needle are flexibly adjusted, the freedom degree of the external fixing frame for plane orthopedic treatment of hallux valgus is increased, higher flexibility and effectiveness are provided for treatment, and the rehabilitation requirement of a patient can be better met.

The application relates to the field of medical devices, in particular to a plaster device for bone traction needle hole nursing, which comprises a bone traction needle, a sticking base layer and an adjusting cylinder, one end of the adjusting cylinder is fixedly connected with a locking assembly used for fixing the adjusting cylinder on the bone traction needle, one end of the adjusting cylinder away from the locking assembly is provided with a liquid collecting groove, one side of the liquid collecting groove close to the locking assembly is provided with a bone needle channel penetrating through the locking assembly; a replacement ring is slidably matched with the outer surface of the adjusting cylinder, one end of the replacement ring is fixedly connected with a protective layer, and the protective layer is detachably connected with the sticking base layer; one end of the adjusting cylinder away from the locking assembly is provided with a drainage assembly used for guiding the liquid in the liquid collecting groove to flow to the protective layer; and the adjusting cylinder is internally provided with a ventilation assembly used for guiding the gas in the liquid collecting groove to exchange with the outside after passing through the protective layer. The detachable connection of the protective layer and the sticking base layer is used, the sticking base layer does not need to be torn off when the protective layer is replaced, and the discomfort of the patient is reduced.

The invention relates to the technical field of orthopedic surgical instruments, in particular to a bone connecting and fixing assembly for fixing a small-size fracture block. Firstly, a guide pipe of a guide fixing piece with a connecting part is aligned with a bone block, then the bone block and a connecting bone are drilled through the guide pipe, and a first drilled hole is obtained; the bone needle slightly retreats, but most of the bone needle is left in the first drill hole, so that the bone block is connected to the connecting bone; the guide pipe is lifted to form a certain space with the fracture block, and a bone needle surrounding the space between the bone block and the guide pipe is inserted into the bending auxiliary part; bending the bone needle by using a guide pipe to be parallel to the connecting bone, withdrawing the bending auxiliary piece, continuously inserting or knocking the bone needle into the connecting bone through the bone block to enable the guide pipe to be close to and in contact with the connecting bone, drilling the connecting bone through the connecting part to obtain a second drill hole, penetrating a connecting piece through the connecting part and embedding the connecting piece into the second drill hole to obtain a second drill hole; the whole guide fixing piece and the bone needle are stably fixed to the connecting bone, and stable fixation of a small-size fracture block is achieved.

The invention discloses rhizoma coptidis toothpaste containing microneedles. The rhizoma coptidis toothpaste is prepared from the following components in parts by weight: 40 to 50 parts of a humectant, 20 to 30 parts of a friction agent, 1 to 2 parts of a thickening agent, 3 to 4 parts of a foaming agent, 0.1 to 0.3 part of a sweetening agent, 0.1 to 1 part of a rhizoma coptidis extract, 0.1 to 1 part of sponge spicules, 0.2 to 0.6 part of menthol, 0.2 to 0.6 part of peppermint oil, 0.1 to 0.6 part of fruit essence, 0.1 to 0.2 part of a preservative and 20 to 30 parts of ultrapure water, wherein the coptis chinensis extract is a 70% ethanol extract of coptis chinensis. The natural sponge spicule is introduced into a traditional Chinese medicine toothpaste system for the first time, adsorption slow release and physical cleaning effects generated by a porous structure of the natural sponge spicule are utilized to cooperate with heat clearing and fire purging effects of traditional coptis chinensis, and the toothpaste has the effects of cleaning teeth, relieving gingival discomfort and relieving oral cavity internal heat.

The invention belongs to the technical field of medical apparatus and instruments, particularly relates to a bone needle fracture passivation device and a use method thereof, and aims to solve the problems of low bone needle fracture passivation efficiency, difficulty in angle control, dust pollution and inconvenience in cleaning in a traditional method. According to the technical scheme, a grinding rod is arranged to grind bone needle fractures, and dust is prevented from polluting the operation environment through a dust collecting structure such as cooperation of a cup-shaped shell and a protective cover or cooperation of the cup-shaped shell and a grinding box; the bone needle is stably clamped by the clamping structure; the cleaning structure removes dust on the outer wall when the spicules are taken out; the driving structure synchronously drives grinding and cleaning operation; various structures are matched, the functions of efficient grinding, dust collection and automatic cleaning are achieved, bone needle fractures are passivated, and the operation efficiency and quality are improved.

The invention relates to a fracture reduction robot and a fracture reduction robot system. The fracture reduction robot comprises a fixed ring, a movable ring and at least three power arms, the fixed ring and the movable ring are both used for being fixed to the bone of a patient through bone needles. The same ends of all the power arms are fixedly connected with the fixing ring; the other ends of all the power arms are connected with the movable ring in a relatively movable manner; at least one actuating structure is arranged in each power arm; the at least three power arms are used for driving the movable ring to rotate relative to the fixed ring and get close to or away from the fixed ring.

The utility model relates to a ball head steering bone needle fixing device and an orthopedic surgery robot, and the ball head steering bone needle fixing device comprises a bone needle fixer which is provided with a bone needle hole; the ball head connecting joint comprises a ball head and a ball head fixing seat matched with the ball head, one of the ball head and the ball head fixing seat is connected with the spicule fixator through a connecting rod, and the other one of the ball head and the ball head fixing seat is connected with the optical tracker through the other connecting rod, so that the optical tracker can adjust the position in all directions around the ball head; the optical tracker can solve the technical problems that in the prior art, the position of the optical tracker is fixed, the optical tracker cannot be flexibly adjusted to any position expected by a doctor according to operation requirements, operation space is limited, and operation flexibility is affected.

The invention relates to the field of medical instruments, in particular to an automatic bone needle tensioning device. The bone needle automatic tensioning device comprises the clamping mechanism and the stretching mechanism, the clamping mechanism is used for clamping a bone needle, the stretching mechanism is used for stretching the bone needle, meanwhile, the driving motor drives the stretching mechanism to act through the speed reducing mechanism, in this way, automatic tensioning can be achieved, and operation is more convenient compared with a manual mode.

The invention discloses a bone fracture plate. The bone fracture plate comprises a tibia platform plate body, and the tibia platform plate body comprises a head part and a rod part; the head part is provided with a plurality of head spicule positioning holes and a plurality of head locking holes, and the plurality of head spicule positioning holes and the plurality of head locking holes are arranged along the width direction of the head part; the rod part is provided with a rod pressurizing hole and a plurality of rod locking holes; the area where the head locking hole is located is located between the area where the skull needle positioning hole and the area where the rod locking hole is located. The number of the rod locking holes is at least two, one rod locking hole is a first rod locking hole, and the other rod locking hole is a second rod locking hole. The axis of the first rod locking hole, the axis of the second rod locking hole and the axis of the head locking hole form a triangular structure. The bone fracture plate has the anti-rotation performance and higher stability, is precisely attached to the complex bone form of the outer side of a tibial plateau, can be combined with a locking bone fracture plate for fibula fracture, and is fixed in multiple directions.

The invention discloses a device for treating diabetic foot through ilium transport, which comprises a first transport plate and a second transport plate, the first transport plate and the second transport plate are connected through a transport stud, and the lower end of the transport stud is rotatably connected with the inside of the first transport plate left and right and fixedly connected with the inside of the first transport plate up and down. The carrying stud is in meshed connection with the second carrying plate through threads, first detachable bone needles are arranged at the two ends of the first carrying plate respectively, second detachable bone needles are arranged at the two ends of the second carrying plate respectively, and the problems that according to an existing operation for treating the diabetic foot through tibia transverse carrying, in the postoperative functional exercise and walking process of a patient, the patient is prone to disengagement and disengagement are solved. The problem of fracture of the tibia due to the fact that the local loading capacity is reduced after the tibia is windowed is solved, and the problem that the contact part of the bone needle and the shank is easily infected due to friction between the bone needle and the muscle on the tibia when the patient walks is also solved.

The application discloses a medical high-strength titanium bone needle processing method, which comprises the following steps of material selection, upsetting and drawing processing, forging, grinding, square billet rolling, primary rod billet rolling, skin scraping and grinding, secondary rod billet rolling, wire drawing, annealing and high-frequency wire straightening. The titanium wire bone needle prepared by the application has a tensile strength greater than 1200 MPa, which is higher than that of a conventional titanium wire bone needle. The titanium bone needle prepared by the application can have a smaller outer diameter and ensure sufficient strength and smaller weight, so that more accurate treatment effect can be achieved, the excessive damage and discomfort caused by the treatment to the patient's body can be effectively reduced, the activity range of the patient after the treatment can be expanded, and the application can be widely applied to orthopedic treatment.

The application discloses a sponge bone needle with surface-adsorbed nanoparticles and a preparation method and application thereof, and comprises modified bee sponge bone needles with active silicon hydroxyl groups on surfaces as carriers and mesoporous silica nanoparticles loaded on the active silicon hydroxyl groups, and the average particle size of the mesoporous silica nanoparticles is 90-1000 nm. The sponge bone needle can pierce into the cuticle to open the skin barrier, and can be retained in the cuticle for a long time to form a large number of sustained microchannels (not less than 72 h), release the nanoparticles carrying more drugs, and enter the skin to release the drugs to play a role.

The application discloses a skeleton resetting device, a skeleton positioning method and device, computer equipment and a medium. The initial position coordinate system of a repaired skeleton before installation of a bone needle and the bone needle position coordinate system after installation of the bone needle are obtained, the initial position coordinate system and the bone needle position coordinate system are matched into one repaired coordinate system, the skeleton coordinate information and the bone needle coordinate information in the repaired coordinate system are added to the matching image of the repaired skeleton, and the matching image is displayed. The repaired skeleton image after matching and the coordinate information of each part of the repaired skeleton can be accurately and intuitively displayed, the existing skeleton positioning method in the prior art needs to continuously confirm multiple X-ray images, the mapping between the additional image and the actual position of the pelvis is not intuitive, the doctor needs to determine by experience, and the skeleton positioning is not accurate and the obtained skeleton coordinate information cannot be combined with the medical image of the repaired skeleton.

The invention relates to an electrically-driven external fixation support with manual adjustment and motion monitoring protection. The electrically-driven external fixation support comprises a near-end ring, a far-end ring, a telescopic supporting rod, a driving unit, a main control box, a secondary control box, a cable, a box supporting frame and a bone needle assembly. The near-end ring and the far-end ring are connected through the six telescopic supporting rods, the far-end ring is driven under cooperative control of the electric drive system, space six-degree-of-freedom movement is achieved, and the multi-degree-of-freedom adjusting requirements of malformation correction and fracture reduction traction are met. The telescopic supporting rod supports manual rapid adjustment and knob fine adjustment, and the device can be conveniently and rapidly matched with the size of the affected limb during initial installation. And the driving unit and the cable as well as the driving unit and the telescopic supporting rod adopt quick plugging connection structures, so that fault replacement or switching to a manual adjustment mode is facilitated, and the use flexibility and reliability are improved. In addition, a Hall sensor is arranged in the driving unit, redundancy monitoring and protection are carried out on the motion state of the telescopic supporting rod, and the safety of clinical application is improved.

This invention discloses an optical target fixation assembly, relating to the field of orthopedic surgery. The optical target fixation assembly includes: an orthopedic screw, the orthopedic screw comprising: a shank with a first thread and a screw head, the screw head having a mounting hole extending along its own axis and at least one first groove extending along its own circumferential direction, the first groove communicating with the mounting hole; and an optical target mechanism, the optical target mechanism being detachably connected to the orthopedic screw through the mounting hole. This application solves the problem that the optical target cannot be easily removed from the bone pin, and also solves the problem that the orthopedic screw is easily dislodged when installed or removed using tools.

The utility model discloses a clinical displacement support of orthopedics, including the symmetrical setting of two annular guide rails, install detachable several position adjusting mechanisms on two annular guide rails, install the clamping assembly on position adjusting mechanism, install several telescopic mechanisms between two annular guide rails for adjusting the distance between two annular guide rails, the outer wall fixed sleeve of annular guide rail has the gear ring, position adjusting mechanism includes the rectangular block, the bottom hinged of rectangular block can be locked with the ladder block, the bottom of rectangular block and the top of ladder block all are set up with the arc -shaped groove of the sliding connection with annular guide rail outer wall, install the rotatable adjusting gear of meshing with gear ring on rectangular block, the utility model relates to orthopedics nursing technical field, the utility model discloses, solve the problem that the connecting rod angle for installing the bone needle between traditional orthopedics displacement support is inconvenient to adjust.

The utility model belongs to the medical instrument field suitable for orthopedics operation, concretely relates to a multipurpose periosteal distraction device, at least includes: the periosteal distraction board is the strip board that presents the arc shape bending in the length direction, one end of periosteal distraction board is provided with locking hole, the bone needle has the needle head of inserting on the skeleton in one end, is equipped with the limit snap ring in the other end, the distraction nail is equipped with the through cavity that penetrates the distraction nail along the length direction inside, the distraction nail is divided into the nail head and the threaded rod that is screwed with locking hole, the distraction nail is screwed with periosteal distraction board, the bone needle is inserted in the through cavity, the limit snap ring is located nail head side, the needle head protrudes distraction nail outside. The utility model's periosteal distraction device can solve the technical defects of the periosteal distraction board of prior art because of stripping incision bilateral periosteum and big trauma, poor applicability when skull periosteum is distracted and bone needle inserts too deep.

A method for removing a basivertebral nerve (BVN), includes the following sequential steps. First, inserting a bone needle into a vertebral body of a vertebra and advancing the bone needle under fluoroscopy to a BVN base site. The bone needle includes an elongated shaft having a cannula extending from a proximal end to a distal end of the shaft, and a removable bevel tipped inner stylet extending through the cannula. Next, removing the inner stylet from the cannula and inserting a drill / awl through the cannula into the BVN base site and once the drill / awl position and depth is confirmed via fluoroscopy drilling the BVN base out. Next, removing the drill / awl from the cannula and inserting a cup curette through the cannula into the BVN base site to further resect under fluoroscopy the BVN base. Next, removing the cup curette from the cannula and inserting a pituitary rongeur through the cannula into the BVN base site and removing under fluoroscopy all resected portions of the BVN base. Next, removing the pituitary rongeur from the cannula and inserting an electric ablation probe through the cannula into the BVN base site and once the ablation probe depth and position is confirmed ablating and cauterizing any remaining BVN base and forming a lesion in the BVN site. Next, removing the ablation probe from the cannula and inserting a nerve monitoring probe through the cannula into the BVN base site and testing to ensure that the BVN base has been fully removed from the BVN site and a void has been formed. Next, removing the nerve monitoring probe from the cannula and attaching a syringe filled with bone graft to the proximal end of the shaft, and filling the void formed in the BVN site with bone graft.

The application relates to the technical field of medical equipment, and discloses a bone marrow puncture extraction device for leukemia patients, which comprises an extraction needle tube, is used for puncture and extraction of the bone marrow of a patient, is externally provided with a reinforcing mechanism, and is composed of a sticking component and a limiting component, wherein the sticking component is used for sticking and fixing the whole reinforcing mechanism to the skin of the patient, the limiting component is composed of a fixing sleeve and an adjusting sleeve, the fixing sleeve and the adjusting sleeve are fixed through the sticking mechanism, the locking sleeve and the locking base are used for limiting the osteopuncture needle, the probability of the osteopuncture needle shaking and deviating during the extraction of the bone marrow is reduced, and the safety of the bone marrow extraction is ensured.

The invention discloses a magnetic positioning reduction fixing frame, and relates to the technical field of medical instruments, the magnetic positioning reduction fixing frame is provided with two fixing rings and six supporting rods, the two ends of each supporting rod are hinged to the two fixing rings respectively, bone needles penetrating through the two broken ends of a fracture are fixed to the two fixing rings through bone needle fixers respectively, the length of the supporting rods can be adjusted, and the supporting rods and the two fixing rings form angles; the supporting rod is composed of an outer sleeve, a sliding rod inserted into the sleeve and a screw partially screwed into the sliding rod, an electric driver is arranged between the sleeve and the sliding rod to drive the supporting rod to stretch out and draw back, sensors are installed on the two fixing rings respectively, and meanwhile a magnetic field generator is arranged near a patient to generate a magnetic field. The sensor transmits the position of the position in the magnetic field to the computer, and the computer controls the electric drivers to stretch out and draw back according to instructions to drive the fracture part to move, so that fracture reduction is completed.

The present invention relates to an exosome-stabilized skin-improving cosmetic composition comprising a vitamin complex, which can improve the structural stability of exosomes. The composition comprises bone spicule, lactic acid bacteria exosome, and ceramide in a weight ratio of 0.6:3.0:0.01, the lactic acid bacteria exosome comprising a substance obtained by culturing Lactobacillus curvatus GFC-AM5 strain (deposited number KCCM12245P) at 37°C for 20 hours and concentrating it by 40 times or more. In addition, by including a vitamin complex of two or more selected from the group consisting of vitamin C or a derivative thereof, vitamin E or a derivative thereof, nicotinamide, and panthenol, oxidation of the lipid bilayer of the exosome can be inhibited, and the increase in particle size during storage can be reduced. Thereby, the structural integrity of the exosome can be maintained, thereby preserving the cell signaling function for a long time, and the stabilized exosome is delivered to the inside of the skin through the microchannels formed by the bone spicule, thereby effectively exerting a skin-improving effect.

The invention discloses a fracture external fixation support, and relates to the technical field of medical instruments, the fracture external fixation support comprises a support main body, a plurality of guide cylinders, a plurality of bone needles, a plurality of bone needle clamps and a plurality of force arm adjusting caps, the plurality of guide cylinders are arranged on the support main body, the guide cylinders are provided with guide channels, and the support main body is provided with locking holes corresponding to the guide channels; the guide cylinders, the bone needles, the bone needle clamps and the force arm adjusting caps are in one-to-one correspondence, the bone needles sequentially penetrate through the locking holes and the guide channels, the heads of the bone needles extend out of the guide cylinders, the tails of the bone needles are locked with the support body through the bone needle clamps, and the guide cylinders are sleeved with the force arm adjusting caps. The fixing strength is adjusted by adjusting the position of the force arm adjusting cap on the guide cylinder. The fixing strength can be adjusted, different requirements for the fixing strength in the fracture healing process are met, and the use of the device can better meet the mechanical requirement during fracture healing.

This utility model relates to a metal bone needle with an openable hole and a chip-dispersing groove, comprising a metal bone needle body and an opening / closing spring. The metal bone needle body includes a cylindrical needle body and a needle tip. A threading notch or two threading notches are provided on the side of the needle body near the needle tip. An upper arc-shaped groove and a lower arc-shaped groove are respectively provided at both ends of the threading notch. A baffle is provided at the edge of the upper arc-shaped groove, and a connecting hole is provided in the lower arc-shaped groove. The opening / closing spring includes an opening / closing piece, an arc-shaped piece, and a connecting piece. One end of the arc-shaped piece is connected to the opening / closing piece, and the other end of the arc-shaped piece is connected to the connecting piece. The arc-shaped piece engages in the lower arc-shaped groove, the connecting piece is inserted into the connecting hole, and the other end of the opening / closing piece presses against the inner side of the baffle in the upper arc-shaped groove. Three or four edges are evenly distributed on the side of the needle tip, and chip-dispersing grooves are provided between adjacent edges. The advantage is that it solves the technical problem that existing needle holes cannot be opened, making it difficult to insert double-stranded sutures.

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.