30results about How to "Affect healing" patented technology

The invention discloses a grape grafting and cultivating method. The method comprises the steps of (1) selection of stocks, (2) grafting method, (3) binding and (4) grafting management after grafting planting, in the step of the selection of stocks, resistant North America species and its cohybridization generation or local wild grape vines are selected as stocks; the grafting method is divided into open field local grafting and indoor grafting; in the step of binding, soybean cake powder, microelement (iron, sulfur, copper, manganese and selenium) and water are mixed into thick mud, the mixture is smeared on gauze or cotton cloths, and the gauze or the cotton cloths containing the thick nutrient mud is bound on joints of stocks and scions. According to the grape grafting and cultivating method, the method solves the problems that conventional hard branch top grafting influences healing of connectors due to wounds, the growing period after surviving is short, growth is weak, and the flower forming and fruiting rate of a second year is low, the survival rate of grape grafting is improved and reaches 90%, fruit forming amount is large, fruits have abundant nutrient, fresh color and good taste.

The invention provides a dynamic locking plate for treating a fracture of a neck of a femur. The dynamic locking plate comprises a tuberosity supporting plate and three locking screw holes, wherein the inner surface of the tuberosity supporting plate is bent to be matched with the lower part of a greater trochanter of the femur in shape; the positions of the three locking screw holes including a first locking screw hole, a second locking screw hole and a third locking screw hole in the tuberosity supporting plate are based on a locating point A at the middle of the tuberosity supporting plate, and distributed around the locating point A; the first locking screw hole, the second locking screw hole and the third locking screw hole are distributed to form a triangle in the tuberosity supporting plate; axes of the three locking screw holes are parallel; based on a vertical line AO of the tuberosity supporting plate where the locating point A is positioned, the axial lines of the three locking screw holes are inclined upwards and form longitudinal included angles theta with the vertical line AO, which are equal to 15-35 degrees. The locating point A is located within the range that the geometric center of the tuberosity supporting plate is taken as a center, and the diameter is 4 mm. The dynamic locking plate enables the broken end of a fractured bone to be subjected to micro-movement and compression, and adapts to dynamic characteristics of bone growth when improving the internal fixation stability of the neck of the femur, so as to be more beneficial to healing of the broken end of the fractured bone.

The invention relates to a method for increasing survival rate of grafting of a walnut tree. The method comprises the steps: cutting up a broken end of a tree trunk (1) as a rootstock into a V-shapedcut, splitting tip parts of the two ends of the V-shaped cut along a bark (1a), and separately splicing a scion (2); and cutting up lower parts of walnut tree branches as the scions into beveled edges, chipping off surface-layer withered barks from scions at the back of the cut in a manner of reserving bast layers (2a) of the scions, then, inserting tips of cut sections of the scions between splitbarks and wood of the rootstock in a manner that a fabric-exposed section (3) of 0.8cm to 1.2cm is reserved at the upper end of the cut of each scion, and finally, closely bundling and wrapping parts, located below fabric-exposed sections, of the scions and a spliced section of the rootstock with plastic tapes (4). According to the method, the survival rate of grafting of walnuts and the growth vigor of the scions are greatly increased, the operation is simple and practical, and the production efficiency is high.

The invention relates to the field of medical apparatus and instruments, in particular to an endoscope puncture stapler for surgery. The stapler comprises a puncture needle and a support rod; a clamping opening used for clamping a suture is formed in the end of the puncture needle, the support rod is provided with a puncture hole cooperating with the puncture needle, a peritoneum positioning device is arranged on the support rod and comprises a sleeve sleeving the support rod and a support mechanism, the support mechanism comprises at least two connecting rod assemblies, each connecting rod assembly comprises at least two connecting sections rotationally connected with each other, a clamping groove used for clamping the suture is arranged on the joint of the two adjacent connecting sections, the sleeve slides along the support rod, the two adjacent connecting sections rotate relatively, the vertical distance between the clamping groove and the support rod is changed, positioning is conducted on the outermost side edge of the support mechanism, tissue on the two sides of a wound can be sewn layer by layer, the sewing effect is good, and the application range of the stapler is expanded.

The invention provides an efficient medical anti-blockage drainage apparatus and a using method thereof. The efficient medical anti-blockage drainage apparatus comprises a drainage tube, a blade-shaped filter screen, a negative-pressure tube, a mixing tube and a retaining loop, wherein a plurality of first through holes are kept in the sidewall of the drainage tube; the blade-shaped filter screenis arranged in the drainage tube; the blade-shaped filter screen is of a conical structure; a negative-pressure tube connecting port is defined by the conical part of the blade-shaped filter screen and the inner wall of the drainage tube; a spiral blade is arranged in the negative-pressure tube connecting port; the negative-pressure tube connecting port is connected to a negative-pressure device;the first through holes are located in the lower side of the blade-shaped filter screen; the spiral blade gets rotating when the negative-pressure device works; the mixing tube is connected to a nozzle of the drainage tube; via the mixing tube, flushing liquid or gas is flushed into the drainage tube; the negative-pressure tube and the mixing tube are fixed to the interior of the drainage tube viathe retaining loop; and air vents are kept in the retaining loop. According to the efficient medical anti-blockage drainage apparatus provided by the invention, the drainage tube is prevented from getting blocked in a using process; and complete drainage of polluted tissue fluid in a body cavity can be achieved.

The invention mainly discloses a full-automatic orthopedic bone drilling, water injection and water pumping integrated device. According to the technical scheme, the device comprises a bone drilling body, the front end of the bone drilling body is provided with a drill bit part, a drill bit of the drill bit part comprises a water injection section and a cooling section, the axis center of the water injection section is provided with a water injection pipeline, and a water inlet and a water outlet which are communicated with the water injection pipeline are formed in the two ends of the surfaceof the water injection section respectively. The front end of the bone drilling body is further provided with a sleeve sleeving the drill bit part, a cooling pipe helically surrounding the cooling section is arranged in the sleeve, and a water outlet end of the cooling pipe is connected with the water inlet. A medicine storage cavity is formed in the bone drilling body, one end of the medicine storage cavity is connected with a first liquid inlet pipe, the other end of the medicine pipe is provided with a second liquid inlet pipe connected with the cooling pipe, and a third liquid inlet pipeis parallelly connected between the first liquid inlet pipe and the second liquid inlet pipe; the upper portion of the sleeve is provided with the water pumping part. The full-automatic orthopedic bone drilling, water injection and water pumping integrated device has the advantages that the size is small, operation is convenient, the bone drilling operation efficiency and quality are improved, theinfection rate is reduced, and the postoperative healing speed is increased.

The invention discloses a catheter fixing device. The catheter fixing device comprises an outer catheter, wherein a cavity is formed in the outer catheter, the interior of the cavity is slidably connected with an inner catheter, a drainage cavity is formed in the inner catheter, and a protruding block is arranged at the front end of the inner catheter; a plurality of arc-shaped grooves are formedin the protruding block, and sliding blocks are slidably connected to the interiors of the arc-shaped grooves; one side of each sliding block is fixedly connected with a supporting rod, the side wallof the outer catheter is sleeved with a lantern ring, and one side of the lantern ring is in mesh connection with a fixed ring; a bucket-shaped cavity is formed in the fixed ring, and the side wall ofthe bucket-shaped cavity is movably connected with a plurality of clamping jaws arranged on the lantern ring. The inner catheter can slide in the cavity by rotating a knob so as to drive the protruding block to slide, and the protruding block extrudes the supporting rods into an arc shape, so that each supporting piece arches to form an oval ball body, and the outer catheter and the inner catheter can be firmly fixed in the human body and can not fall outside the human body by using the ball bodies.

The invention discloses an assisted limb lifting and overturning device for brain surgery nursing. The assisted limb lifting and overturning device for brain surgery nursing comprises a bed body; a mounting frame driving box is arranged on one side of the bed body; a driving motor is arranged inside the mounting frame driving box; one side of the driving motor is rotatably connected with a lead screw through a rotating shaft; a lead screw pair ring sleeve is arranged outside the lead screw; the top end of the lead screw pair ring sleeve is fixedly connected with a supporting frame; the inner side of the supporting frame is rotatably connected with a rotatable cross rod through a rotating shaft; one end of the rotatable cross rod is connected with a telescopic rod; and the other end of therotatable cross rod is rotatably connected with a turning pulley through a rotating shaft. According to the assisted limb lifting and overturning device for brain surgery nursing, a pulling cable, a row teethed rod and a transmission gear are arranged, so that the problem that the limbs of a patient are difficultly driven to move by utilizing the pulling cable and a rotating rod simultaneously bythe assisted limb lifting and overturning device for brain surgery nursing to affect the using effect of the assisted limb lifting and overturning device for brain surgery nursing when the assisted limb lifting and overturning device for brain surgery nursing is used is avoided.

The invention relates to a fixing bandage based on a liquid metal flexible composite material. The fixing bandage comprises liquid metal, a thin pipe network containing the liquid metal, and a medical fiber material for being compounded with the thin pipe network, wherein the flexible composite material can be made into different shapes according to demands; as a novel bandage, the fixing bandage can be used for binding and fixing the four limbs, the trunk, the head and the like of the human body; compared with the traditional fixing methods adopting gypsum, splints and the like, the fixing bandage has the advantages of simplicity in operation, portability and comfort in use, good breathability, reduction in infection, wide application range, recycling property and the like; the flexible composite material is stable in property and high in reliability, and the deficiency and defects of the traditional medical material are made up to a certain extent.

The invention discloses a spatula device for the hospital internal medicine department and mainly solves the problems that when an existing bamboo spatula is used to perform oral cavity and throat diagnosis on a patient, the mouth opening range of the patient is hard to keep unchanged, and normal treatment is affected easily. The spatula device comprises a positioning frame, a limit clamp, fixingplates, a spatula and a pressing rod and is characterized in that the telescopic positioning frame contacts with the gum, the limit clamp is clamped to the positioning frame and used for limiting theheight of the positioning frame, the fixing plates are arranged on two sides of the positioning frame, the spatula is movably connected with the fixing plate and located in the positioning frame, andthe pressing rod is connected with the spatula and can be held by hand conveniently. By the arrangement, the spatula device has the advantages that the mouth opening range of the patient can be kept constantly, the treatment by a doctor is unaffected, and the spatula device is high in practical value and popularization value.

The invention provides a wound analgesia slow-release system. The wound analgesia slow-release system comprises a permeable packing block, a catheter, a three-way valve and a free catheter bayonet, wherein the permeable packing block is packed into a wound and can be degraded and absorbed by an organism; the catheter is provided with a packing block mounting end mounted in the permeable packing block and a puncture needle end provided with a puncture needle, and a plurality of side holes are formed in the packing block mounting end; three bayonet ports are formed in the three-way valve, the three bayonet ports are provided with a catheter bayonet, an injector bayonet and a drip tube bayonet respectively, and the outer diameter of the catheter bayonet is designed to be gradually increased from the catheter end to the three-way valve end; the free catheter bayonet comprises a middle connecting plate with a through hole, and a catheter connecting end and an injection interface end which are respectively arranged at two ends of the through hole and communicate with each other. According to the wound analgesia slow-release system provided by the invention, local anesthetic can continuously and evenly permeate into nerve endings inside the wound, wound pain after trauma and an operation is solved, and a painless rehabilitation environment is provided for a patient.

A PH sensitive intelligent dressing comprises a PH sensor, a singlechip, algal sponge and a piezoelectric film; the PH sensor collects PH value information of the wounded surface and outputs a voltagesignal to the singlechip; the singlechip compares the voltage signal with the built-in voltage value and outputs the corresponding voltage value to the piezoelectric film; the piezoelectric film outputs a micro displacement or deformation through the inverse piezoelectric effect so as to drive the algae sponge to generate deformation. The alga sponge releases the corresponding medicine due to thedeformation so as to realize the intelligent control of the medicine release. Moreover, the algal sponge of the PH sensitive intelligent dressing adopts the biomass material with good biocompatibility, thereby being beneficial to avoiding stimulation, allergy and the like caused by the material that may influence wound healing. The PH sensitive intelligent dressing adopts a freeze-drying method to produce the aerogel, and the algal sponge with small aerogel density and large porosity is obtained by adjusting the proportion of each substance. The aerogel structure is more favorable for keepingthe microenvironment required by wound healing and improving the loading efficiency of algal sponge, and has the effects of ventilation and bacteria inhibition.

The invention provides a biological medicine wound dressing. The biological medicine wound dressing comprises a first component, a second component and a third component, the patch comprises a substrate layer, a water absorption layer, a medicine layer, a bearing layer and an adhesive layer, the medicine layer is a medicine-containing hydrophilic film; wherein the water absorption layer is fixed on the substrate layer; wherein the bearing layer is fixed on the water absorption layer, the medicine layer is fixed on the bearing layer, the hydrophilic film medicine layer can be dissolved by contacting with liquid flowing out of a wound, the dissolved medicine acts on the wound, the effects of diminishing inflammation and killing bacteria can be effectively achieved, the medicine in the dressing can be fully utilized, and the wound treatment effect can be improved.

The invention relates to the field of building decoration doors, in particular to a building decoration door. According to the building decoration door, the sealing effect is improved, and external air is prevented from entering the negative pressure ward. According to the technical scheme, the building decoration door comprises door opening mechanisms, a disinfection mechanism and a locking mechanism, the two door opening mechanisms are arranged, the two door opening mechanisms are arranged on the front side and the rear side of an enclosed square shell correspondingly, the two door opening mechanisms are matched with first vertical plates correspondingly, and the two door opening mechanisms are matched with the enclosed square shell to form a disinfection cavity; the disinfection mechanism is arranged in the enclosed disinfection cavity, and the locking mechanism is arranged between the two third vertical plates. By arranging the two door opening mechanisms, outside air containing dust is prevented from entering the ward through staggered opening of the two sliding doors when a user enters the negative pressure ward, the sealing effect is improved by arranging the sealing assembly, and a large amount of dust and viruses are prevented from being brought into the negative pressure ward by arranging the disinfection mechanism.

The invention discloses a postoperative pressurization device for cardiac pacemakers. The postoperative pressurization device comprises a main bag. At least two binding bands are arranged on the mainbag, a balance weight bag and a seal cover are arranged in the main bag, the balance weight bag is used for storing balance weights, the seal cover is used for sealing the balance weight bag, and a medicine bag for storing medicine packages is further arranged on the main bag. The postoperative pressurization device has the advantages that the binding bands are used, accordingly, medical staffs can mount the main bag without turning over patients, and influence on wound healing of the patients due to wound bursting in shifting procedures can be prevented; the postoperative pressurization device is further provided with the medicine bag for storing medicines, accordingly, wound can be protected, electrodes of the cardiac pacemakers can be prevented from falling, and treatment effects for the patients can be improved.

The invention relates to the field of medical apparatuses, in particular to a multifunctional wound suturing device for abdominal surgery of the surgical department. The multifunctional wound suturingdevice comprises a puncture needle and a supporting rod cooperating with an endoscope puncture hole, a clamp port used for clamping a suture is formed in the end of the puncture needle, and the supporting rod is provided with puncture holes cooperating with the puncture needle; the supporting rod is further provided with a peritoneum locating device, the peritoneum locating device comprises a cannula sleeving the supporting rod and a supporting mechanism, and the supporting mechanism comprises several connecting rod assemblies; a clamping groove cooperating with the suture is formed in each connecting rod assembly in the length direction of the connecting rod assembly, each connecting rod assembly comprises at least two connecting rod sections which are rotatably connected with each other, the cannula slides along the supporting rod, every two adjacent connecting rod sections rotate relatively, and the supporting range of the supporting mechanism is changed, so that the suturing device of the structure is suitable for successfully suturing wounds which have different widths and need different sutures, and has a wide applicable range and a good suturing effect.

An embodiment of the present invention provides a screw for bone fixation, which belongs to the technical field of medical devices. The screw for bone fixation includes: a nut, and the nut includes: a nut body, on which A piercing hole is provided, and the piercing hole is a through hole, and the piercing hole can accommodate a fixing wire; the nail body, the nail body is connected and arranged at the lower end of the nut body; wherein, the piercing hole The hole has an arc-shaped channel through which the fixing wire and the piercing hole are in surface contact; the technical effect that the fixing wire does not break when fixing the screw is achieved.

The invention provides a special grafting clamp for vegetables. The special grafting clamp comprises a first clamping piece and a second clamping piece, wherein a connecting structure is arranged between the first clamping piece and the second clamping piece; the first clamping piece and the second clamping piece are arranged as clamping ends on one side of the connecting structure and pressing ends on the other side; the size of an accommodating space between the clamping ends of the first clamping piece and the second clamping piece can be adjusted by pressing the pressing ends; the clamping ends comprise clamping jaws with arc-shaped surfaces attached to the periphery of a grafted seedling; and the clamping jaws of the first clamping piece and the clamping jaws of the second clamping piece are arranged in a staggered manner, so that the interface part of the grafted seedling can be conveniently and comprehensively wrapped, a stock and a scion are tightly attached and uniformly stressed, and the interface part is prevented from contacting air with high humidity to cause diseases and rot. The invention also provides a vegetable grafting method. The method adopts the grafting clamp.

The present invention provides one kind of medical waterproof wound film and its making process. The medical waterproof wound film is one composite film including substrate layer, optionally permeating layer, adhesive layer and non-sticking layer superposed successively. The making process includes the steps of: painting the copolymer of acrylate and esteramide onto the non-sticking layer of strippable paper to form the adhesive layer, painting polyesteramide to the polyethylene terephthalate substrate to form optionally permeating layer, compounding the optionally permeating layer and the adhesive layer, etc. The medical waterproof wound film is waterproof, oxygen permeating to inhibit the growth of anaerobe and reduce infection, vapor permeable to maintain certain humidity and favorable to the growth of granulation tissue, and can promote the healing of wound.

The invention relates to a fixing bandage based on a liquid metal flexible composite material. The fixing bandage comprises liquid metal, a thin pipe network containing the liquid metal, and a medical fiber material for being compounded with the thin pipe network, wherein the flexible composite material can be made into different shapes according to demands; as a novel bandage, the fixing bandage can be used for binding and fixing the four limbs, the trunk, the head and the like of the human body; compared with the traditional fixing methods adopting gypsum, splints and the like, the fixing bandage has the advantages of simplicity in operation, portability and comfort in use, good breathability, reduction in infection, wide application range, recycling property and the like; the flexible composite material is stable in property and high in reliability, and the deficiency and defects of the traditional medical material are made up to a certain extent.

The invention relates to an inhaul cable type tension bone trabecula reconstruction type proximal femur intramedullary nail which comprises an anchoring part, a traction cable and a fixing part. A main thread and an auxiliary thread are arranged on the outer surface of the anchoring part; the bottom center of the anchoring part is connected with a traction cable, and the other end of the traction cable is connected with the center of one end of the fixing part; a first connecting part is arranged on the end surface of the anchoring part; the fixing part is provided with a second connecting part; the first connecting part and the second connecting part are detachably connected, so that the anchoring part and the fixing part work cooperatively, and separation of the anchoring part and the fixing part is not hindered. According to the invention, the anchoring part and the fixing part are fixed in the bone and are locked through the traction cable; the device can be implanted in any direction according to operation requirements; multi-group implantation can be realized, and independent work can be realized; a tension bone trabecula after fracture is reconstructed, and the bone trabecula and a pressure bone trabecula play a role together, so that the stability of fracture repair is improved together; and the influence on fracture healing and recovery caused by redisplacement after functional activity is effectively prevented.

The invention relates to the technical field of medical instruments, in particular to an orthopedic splint which comprises a clamping unit composed of a shell, bases and a plurality of clamping blocks, the bases are fixed to the two ends of the shell, the two bases are detachably connected through a connecting assembly, and therefore the bases and the shell form a hollow cylinder structure; a moving groove is formed in the base, the clamping block is slidably connected into the moving groove through a first connecting rod and a second connecting rod, a pushing assembly connected with the first connecting rod is arranged on the base, a plurality of fixing assemblies for clamping the fracture part of a patient are arranged on the clamping block, and a connecting base is fixed to the outer surface of the shell; the two ends of each positioning rod are inserted into the connecting bases of the adjacent clamping units respectively, the connecting bases are in threaded connection with adjusting bolts for fixing the positioning rods, the fixing assembly can fasten, clamp and fix the fracture part of a patient, and the fixing assembly has wide application prospects in the technical field of medical instruments.

The invention provides a heating system capable of continuously and indirectly heating a medicated bath system. The heating system comprises a steam circulating tank, a liquid medicine tank, a steam pipeline, a steam electromagnetic valve, a liquid medicine inlet pipeline, a pressure gauge, a pressure valve and a liquid medicine outlet pipeline, the upper end of the steam circulating tank is connected with the liquid medicine tank; the steam pipeline is connected to the upper end of the right side of the liquid medicine tank, the steam electromagnetic valve is installed on the steam pipeline,the liquid medicine inlet pipeline is connected to the upper end of the left side of the liquid medicine tank, the pressure gauge is installed at the upper end of the liquid medicine inlet pipeline, the pressure valve is installed at the lower end of the liquid medicine inlet pipeline, and the liquid medicine outlet pipeline is connected to the lower end of the left side of the liquid medicine tank. According to the invention, a liquid medicine can be continuously heated in the treatment process; the condition that the treatment effect is influenced due to insufficient temperature caused by the fact that medicated bath cannot be continuously heated in a traditional treatment mode is effectively avoided; in addition, a doctor does not need to manually turn on a steam switch, and only needsto set parameters such as automatic heating, constant temperature, set temperature and time by the system, so that manpower and material resources can be reduced, time is saved, efficiency is improved, and dangers of the doctor in the heating process are avoided.

The invention relates to the field of treatment, in particular to a photoelectric combined probe cap convenient to wear and adjustable in tightness, which comprises a cloth cap and probes. A plurality of clamping grooves are formed in the cloth cap; the plurality of probes are connected with the cloth cap through the plurality of clamping grooves; side plates are fixedly connected to two sides of the cloth cap; clamping mechanisms are arranged on opposite sides of the two side plates; the two clamping mechanisms correspond to each other; a supporting mechanism is arranged at the bottom ends of the two side plates; two extrusion mechanisms are arranged in the center of the upper end of the supporting mechanism; the supporting mechanism is connected with the two side plates through pulling mechanisms; winding mechanisms are arranged on the opposite sides of the two side plates; a mesh belt is connected between the two winding mechanisms; and the mesh belt wraps the outer side of the cloth cap. The photoelectric combined probe cap can be suitable for different patients to use, the patient can wear the photoelectric combined probe cap more conveniently, and the fitting degree between the patient and the probe cap is higher, so that the stability of the probe cap is guaranteed, thereby ensuring the treatment efficiency of the probe cap.

A PH sensitive intelligent dressing comprises a PH sensor, a singlechip, algal sponge and a piezoelectric film; the PH sensor collects PH value information of the wounded surface and outputs a voltagesignal to the singlechip; the singlechip compares the voltage signal with the built-in voltage value and outputs the corresponding voltage value to the piezoelectric film; the piezoelectric film outputs a micro displacement or deformation through the inverse piezoelectric effect so as to drive the algae sponge to generate deformation. The alga sponge releases the corresponding medicine due to thedeformation so as to realize the intelligent control of the medicine release. Moreover, the algal sponge of the PH sensitive intelligent dressing adopts the biomass material with good biocompatibility, thereby being beneficial to avoiding stimulation, allergy and the like caused by the material that may influence wound healing. The PH sensitive intelligent dressing adopts a freeze-drying method to produce the aerogel, and the algal sponge with small aerogel density and large porosity is obtained by adjusting the proportion of each substance. The aerogel structure is more favorable for keepingthe microenvironment required by wound healing and improving the loading efficiency of algal sponge, and has the effects of ventilation and bacteria inhibition.

The invention discloses a head prostrating type supporting device for ophthalmology retina postoperative recovery. The supporting device comprises a support frame, a bottom plate, a support sheet and a motor. The supporter comprises the support frame, the bottom plate and the support sheet. The support sheet is made of an elastic material. The edge of the support sheet is mounted in the inner wall of the support frame, and the top end of an air pipe is mounted at the bottom end of the support sheet. According to the supporting device, a structure for generating wind power is arranged. On the basis that the structural strength of the supporting pieces is guaranteed, the supporting pieces have good air permeability. Meanwhile, the same power source can be used for achieving circulating conveying of hot water, and therefore heat preservation operation is conducted on skin around eyes through flowing of the hot water. In addition, the tensioning force of the supporting piece can be adjusted, and it is avoided that due to the prostrating posture, the face skin is pulled towards the outer side, the skin is torn, and the healing of eye postoperative wounds is affected.

The invention mainly discloses a fully automatic orthopedic bone drilling, water injection and water pumping integrated device. Its technical proposal includes a bone drilling main body. The axial center of the section is provided with a water injection pipe, and the two ends of the surface of the water injection section are respectively provided with a water inlet and a water outlet connected with the water injection pipe; There is a cooling pipe spirally surrounding the cooling section, the water outlet end of the cooling pipe is connected to the water inlet; the inside of the main body of the drill bone is provided with a medicine storage chamber, and one end of the medicine storage chamber is connected with the first liquid inlet pipe, and the medicine storage chamber The other end is provided with a second liquid inlet pipe connected to the cooling pipe, and a third liquid inlet pipe is connected in parallel between the first liquid inlet pipe and the second liquid inlet pipe; the upper part of the sleeve pipe is provided with a pumping part. The invention has the characteristics of small size, convenient operation, improved efficiency and quality of bone drilling operation, reduced infection rate, and improved postoperative healing speed.