107 results about "Bone spicules" patented technology

A bone pin position tracking method based on optical and electromagnetic localization and Kalman filtering, relating to the technical field of surgical navigation. In order to solve the problems that a single electromagnetic localization method has low precision and is affected by magnetic field interference, and in a single optical localization method, a tracked target is lost caused by an optical signal being easily blocked, designed is a bone pin position tracking method based on optical and electromagnetic localization and Kalman filtering, comprising: using an optical sensor and an electromagnetic sensor to track the position of a bone pin tip, so as to obtain position point sets of the bone pin tip in optical tracking and electromagnetic tracking, respectively; unifying the position point sets of the bone pin tip in optical tracking and electromagnetic tracking to a same coordinate system, and constructing a position observation vector of the bone pin tip; and then, substituting the position observation vector into a position observation equation of the bone pin tip to calculate a motion state vector of the bone pin tip, achieving real-time tracking of the position of the bone pin tip. The method is applicable to complex-path and heavy-load surgery.

The invention discloses a management device for patient leg fracture nursing, and belongs to the field of orthopedic trauma, the management device comprises a bed body, an arranged fracture management mechanism is used in cooperation with a fracture patient, the legs of the patient are placed on the top surface of a bottom plate, and the shanks and thighs of the patient are supported through a thigh supporting plate and a shank supporting plate respectively; after thighs and shanks of a patient are bound and bound together with the thigh supporting plate and the shank supporting plate through belt buckles and binding belts respectively, the position of the traction plate is adjusted according to the position of a bone needle part after fracture puncture at the thigh proximal end, the femoral shaft, the knee joint or the ankle joint of the shank of the patient, and a bone needle is placed in one bone needle clamping groove; after the traction plate is fixed on the L-shaped adjusting plate through the second screw hole knob, the L-shaped adjusting plate is pushed to move towards the right side by rotating the first screw hole knob on the fixed threaded rod, and the compression spring is forced to perform retraction operation, so that the aim of performing bone traction on a patient is fulfilled.

The invention provides a tibia transverse moving device based on a universal rotating joint, relates to the technical field of orthopedic medical instruments, and solves the problems that in the prior art, during an operation, a bone needle is obliquely installed, and due to a rigid frame and single-plane adjustment of a traditional device, the bone needle is not stably fixed, stress is concentrated, and complications occur frequently. The device is mainly composed of a main body support, a universal rotating joint device and a short bone needle fixing mechanism, the device is symmetrically distributed on the two sides with an adjusting rotary knob as the center, in the using process, transverse moving of bones can be completed only by controlling the adjusting rotary knob, and multi-direction adjusting is achieved through universal rotating joints.

The invention discloses a method for promoting skin repair by assisting exosome transdermal delivery through a sponge spicule. The method comprises the following steps: pretreating skin by using a composition containing the sponge spicule; mixing the exosome vesicle freeze-dried powder with a redissolving medium at 5-40 DEG C, and then applying the mixture to the skin; the exosome vesicle freeze-dried powder is obtained by performing membrane fusion on exosome and liposome to obtain exosome vesicles and then performing freeze drying. According to the invention, the skin is pretreated by using the composition containing the sponge bone needle, the skin barrier resistance is reduced, the skin repair response is stimulated, and then the exosome vesicles are re-dissolved and then applied to the skin surface, so that the transdermal utilization rate of exosome contents is promoted. The exosome vesicle provided by the invention has good in-vitro storage stability, and after the exosome vesicle is stored at 0-5 DEG C for 180 days, the activity retention rate after redissolution is 80% or above.

A bone pin installation system is disclosed. The bone pin installation system may include a hollow surgical tool extending in a longitudinal direction and may have a guide portion at a distal end thereof. The system may include one or more bone pins having a curved body and a support arm. The system may also include one or more connector plates having a superior surface, an inferior surface and one or more pin seats extending between the superior surface and the inferior surface. The pin seats may be configured to receive at least one of the bone pins so that the support arm is pivotally supported by the superior surface. The guide portion may include one or more channels configured to receive the support arm of the one or more bone pins and guide the corresponding bone pin during an installation procedure.

The utility model discloses a bone needle clamping block, which belongs to the field of medical instruments and is provided with a needle clamping seat, the needle clamping seat is provided with a first ball socket, a rotating needle clamp is arranged in the first ball socket, the rotating needle clamp is provided with a hemispherical lower clamping block, an upper clamping block and a pressing plate, a needle clamping groove is arranged between the upper clamping block and the lower clamping block and used for clamping bone needles, and the pressing plate is arranged on the upper clamping block. And the locking bolt A locks and fixes the rotating needle clamp, the needle clamp seat and the bone needle clamped by the rotating needle clamp seat. A sliding groove is further formed in the needle clamp seat, a sliding block is arranged in the sliding groove, a second ball socket is arranged on the upper surface of the sliding block, a through hole is formed in the sliding block below the second ball socket, the rotating needle clamp is also arranged in the second ball socket, a long-strip-shaped hole is formed in the needle clamp seat below the sliding groove, and a locking nut is arranged at the lower end of the long-strip-shaped hole. And the locking bolt B sequentially penetrates through the second needle clamp, the sliding block and the needle clamp seat and is matched with the locking nut to lock and fix the second needle clamp and the bone needle clamped by the second needle clamp.

Embodiments of a multi-clamp apparatus for an orthopedic exterior fixator are disclosed. One embodiment of the multi-clamp apparatus has two clamp arms, each having a plurality of opposing crescentic channels that, when pressed together, are of a length, size, and shape to engage and secure a plurality of bone pins. An outrigger bar extends from each of the clamp arms for attachment of fixator components. Each clamp arm has a collapsible torque amplifying knob that can be hand operated and that causes relative movement of the two clamp arms for concurrently clamping and unclamping multiple bone pins when rotational force is applied to one or both of the knobs. The turn levers of each knob can be collapsed in a generally mating, side-by-side arrangement. The turn levers of the knobs are ergonomically designed so that the knobs can be hand operated, without tools, in the collapsed and un-collapsed configurations.

The invention discloses application of a sponge spicule and an ionic liquid aqueous solution in preparation of a penetration enhancing composition, the ionic liquid is matrine valproic acid, and the sponge spicule is a bee sponge spicule. According to the invention, the ionic liquid aqueous solution and the sponge spicule are combined for application, so that the skin cuticle barrier effect is overcome, the percutaneous absorption of the insoluble active component is effectively improved by utilizing the synergistic effect of the ionic liquid aqueous solution and the sponge spicule, and the toxicity of in-vivo administration of the insoluble active component is reduced at the same time.

The invention relates to the technical field of medical instruments, and provides a unilateral cortical bone needle which comprises a needle cylinder and a needle core, the needle cylinder is hollow and forms a penetrating hole channel, and the needle core penetrates through the penetrating hole channel and is in threaded connection with the needle cylinder; the needle cylinder comprises a connecting sleeve and inserting strips, one end of each inserting strip is connected to the end face of the connecting sleeve, the multiple inserting strips are arranged around the central axis of the connecting sleeve, and a deformation groove is formed between every two adjacent inserting strips; inserting blind holes are formed in the surface of the human sternum, and the ends, away from the connecting sleeve, of all the inserting strips are folded towards the penetrating hole channel in a normal state so as to be inserted into the inserting blind holes. The unilateral cortical spicule can reduce the possibility that the pleura of a patient is punctured by the spicule.

The invention relates to the technical field of orthopedic medical apparatuses and instruments, and discloses a bone broken end healing bridge which comprises an adjustable track; the two connecting seats are mounted at the two ends of the adjustable track respectively, mounting holes are formed in the connecting seats, each mounting hole comprises two arc parts and two plane parts, the two plane parts are parallel to each other, and the two ends of each arc part are connected with one ends of the two plane parts respectively; the fixing assembly is mounted on the adjustable track and used for driving the two connecting seats to be close to or away from each other; the bone needle penetrates through the mounting hole, two matching surfaces are arranged on the outer wall of the bone needle, and the matching surfaces are attached to the plane part; the number of the nuts corresponding to one bone needle is two, and the connecting base is fixedly installed between the two nuts. The anti-rotation capability of the bone needle can be improved.

The utility model discloses a combined orthopedic external fixing support which comprises a first frame and a second frame arranged opposite to the first frame, a connecting rod is arranged between the first frame and the second frame, and the two ends of the connecting rod are connected with the first frame and the second frame through first fixing pieces respectively. The first frame and the second frame are provided with bone needle clamping pieces used for clamping bone needles, the bone needle clamping pieces are connected with the first frame or the second frame through second fixing pieces, the surface of the first frame and the surface of the second frame are provided with first adjusting holes and second adjusting holes, and the penetrating direction of the first adjusting holes is perpendicular to the penetrating direction of the second adjusting holes. The two ends of the connecting rod penetrate through the first adjusting holes. According to the combined type orthopedic external fixation support with the structure, the length-adjustable connecting rods are arranged, the two ends of the inclined rods are fixed to the annular frame, stability is improved, and the problems that in the prior art, an orthopedic external fixation support cannot be adjusted and is poor in stability are solved.

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 utility model relates to the technical field of orthopedic appliances, and discloses an osteotomy device which comprises a fixed rod part, a rotating rod part and an osteotomy needle knife positioning insertion plate part, one end of a second rod body of the rotating rod part is connected to a connecting shaft end arranged on a first rod body, and an angle arc rod is arranged at the other end of the first rod body. The other end of the second rod body is arranged on the angle arc rod in a sleeving mode through the sleeve frame end, and the osteotomy needle knife positioning insertion plate part is movably installed in the connecting groove channel, so that the osteotomy needle knife positioning insertion plate part can move on the first rod body and the second rod body; the distance between the osteotomy needle knife positioning insertion plate part and the positioning stop lever is adjusted by moving the osteotomy needle knife positioning insertion plate part, so that bones with different diameters can be conveniently clamped and fixed, and the angle between the first rod body and the second rod body is adjusted by rotating the second rod body, so that the angle between osteotomy needle knives inserted into the osteotomy needle knife positioning insertion plate part is adjusted.

The present invention provides a single-rod bone distraction device. The bone distraction device includes a main body structure of the bone distraction device, a rod needle clamp, and bone needles. The main body structure of the bone distraction device includes a base rod and a sleeve. The base rod includes an adjustment section in the middle and first and second fixed sections at both ends. The sleeve is slidably sleeved on the adjustment section. The adjustment section is provided with an axially extending guide groove. A guide key that is slidably and cooperatively engaged with the guide groove is detachably installed on the sleeve. The outer surface of the adjustment section is provided with an external thread. The two ends of the sleeve are respectively provided with first and second nuts that are threadedly engaged with the external thread through internal threads. By screwing the first and second nuts, the sleeve is driven to move axially. The rod needle clamp and the bone needles are installed on the first and second fixed sections to fix the two ends of the bone to be distracted. The rod needle clamp and the bone needles are installed on the sleeve. It has the advantages of simple structure, easy bone fixation, low cost, convenient and fast operation, and can be used in combination with a ring external fixator and a combined external fixator.

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 present invention relates to the field of medical devices, and discloses a rotator cuff repair device, comprising a repairer body, a sleeve and a bone needle, wherein the sleeve is arranged at the lower end of the repairer body, the bone needle is arranged in the sleeve, a driving structure for driving the bone needle to slide in the sleeve cavity is arranged inside the repairer body, a puncture part of the lower end of the bone needle protruding outside the sleeve is in a predetermined curved shape, a tip and a thread port for driving a suture are arranged at the end of the bone needle, the driving structure comprises a transmission cylinder, a reset mechanism and a positioning device, the transmission cylinder is located at the lower end of the repairer body and is connected to the upper end of the bone needle and can move downward freely under force, the reset mechanism is located at the lower end of the transmission cylinder in the repairer body and can drive the transmission cylinder to move upward in the repairer body, and the positioning device is located on the repairer body and is provided with a function of positioning the up and down movement of the transmission cylinder. When the bone needle is used for puncture and withdrawal, it can be operated by one person, and the operation is simple and practical.

The application relates to the technical field of medical devices, in particular to a calcaneus external fixing support, which comprises a first screw rod, a sliding base connected to the outer wall of the first screw rod in a sliding mode, a second screw rod connected to the first screw rod in a sliding mode, a sliding seat connected to the outer wall of the sliding base in a sliding mode, the sliding direction of the sliding seat is arranged at an angle with the moving direction of the sliding base, the second screw rod is arranged at an angle with the first screw rod, a limiting assembly for limiting the sliding of the sliding base is arranged on the outer wall of the first screw rod, a first locking piece for limiting the sliding of the sliding seat is arranged on the side wall of the sliding seat, a positioning assembly for limiting the sliding of the second screw rod is arranged on the first screw rod, a second locking piece for fixing a bone needle is arranged on the side wall of the moving seat, and a third locking piece for fixing the bone needle is arranged on the outer wall of the second screw rod. The application has the effects of conveniently adjusting the structure of the heel of a patient and reducing the dislocation of the heel structure in the process of fixing the support.

The invention discloses a bone needle and soft tissue interaction deformation testing device and testing method fusing multiple sensors, and belongs to the technical field of deformation testing. The deformation testing device comprises an optical platform, a spicule stress loading module, a spicule clamping module, an image method testing module, an NDI optical positioning tracking testing module and a spicule deformation testing module. The optical platform is fixed on the flat ground, the spicule stress loading module and the image method testing module are both installed on the optical platform, the spicule clamping module is installed on the spicule stress loading module, a spicule on the spicule clamping module is inserted into the tested object module, and the bottom of the tested object module is installed on the optical platform. The testing device has the remarkable advantages of being compact in structure, easy to operate and the like, integrates testing methods of various sensors, and has the remarkable advantages of being high in precision, good in stability, high in testing efficiency and the like.

The utility model provides an adjustable spicule clamping block device. Comprising a bone needle body, the upper end and the lower end of the bone needle body are provided with an upper clamping block and a lower clamping block respectively, the upper end and the lower end of the bone needle body are sleeved with adjusting sleeves respectively, the two adjusting sleeves are connected with the upper clamping block and the lower clamping block respectively, and the two ends of the upper clamping block and the two ends of the lower clamping block are connected with rotating plates through connecting plates; and the rotating plates are connected through a connecting rope. The bolts are arranged on the upper clamping block and the lower clamping block, the connecting plate can be adjusted according to the requirements of a patient, the rotating plate which is rotationally connected can be better attached to the skin of the patient, skin irritation or damage caused by device incompatibility is reduced, and the patient can be more conveniently and rapidly treated. The upper clamping block and the lower clamping block can be fixed by matching a connecting belt with a plug-in type lock catch, so that the device is prevented from moving or loosening in the treatment process, the treatment effect is improved, and discomfort and risks of a patient are reduced.

The invention relates to the technical field of medical instruments, and discloses a tibia transverse moving device which comprises a traction mechanism, two connecting rod mechanisms connected to the two sides of the traction mechanism, a universal rotating mechanism arranged at the tail ends of the connecting rod mechanisms and a long bone needle clamping mechanism arranged at the tail end of the universal rotating mechanism. Wherein the traction mechanism is configured to drive a bone block to move transversely, the connecting rod mechanism comprises a length-adjustable telescopic unit, and the universal rotating mechanism realizes three-dimensional angle adjustment. Through the synergistic effect of all the components, the surgical suitability and the operation accuracy can be effectively 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.

The utility model discloses a bone moving device. Comprising a fixing plate, a lifting rod, a supporting piece, a rotary knob and a screw, and the fixing plate is provided with a rotary knob opening, a bone needle hole, a fixing hole and a first limiting hole; the lifting rod is arranged in a flat shape, and the lifting rod is provided with an external thread. The supporting sheet is also provided with a bone needle hole, a fixing hole and a second limiting hole; the knob is provided with a threaded hole; the knob is placed in the knob opening; the lifting rod connects the fixing plate block, the supporting piece and the rotary knob through the first limiting hole, the second limiting hole and the threaded hole, and the screw can be fixed to the fixing plate block and the supporting piece through the fixing hole. According to the utility model, the number of wounds is small during surgical operation, two bone needles can be inserted into one wound, and the wounds formed by inserting the bone needles are greatly reduced; the bone moving speed is high, bone moving can be achieved only by rotating the rotary knob, and the moving time is at least one time shorter than that of a traditional bone moving device; stability is high and operation is simple.

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 present application relates to a kind of bone traction automatic drill, including base, positioning ring and automatic hammer device, positioning ring is fixedly arranged on base, positioning ring is used to place the lower leg of patient, and fixed rod is installed on positioning ring and can be opened or closed;At least one bone needle enters the hole on the side of one side of positioning ring, at least one bone needle exits the hole on the side of the other side of positioning ring, and bone needle exits the hole and bone needle enters the hole same number and one-to-one coaxial correspondence;Automatic hammer device is installed on base, and automatic hammer device includes hammer frame, hammer shaft, hammer head, damping cylinder and reciprocating drive mechanism.The present application is ingenious in structure, and reasonable in design, by setting base, positioning ring and automatic hammer device, positioning ring is used to place the lower leg of patient, can make patient lower leg keep stable in bone traction drilling process;Automatic hammer device can hit the tail end of bone needle multiple times quickly, and efficiently and accurately complete the operation of bone needle driving in.

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 discloses a knee joint osteotomy guide plate and a use method thereof, and relates to the field of knee joint replacement tools, the knee joint osteotomy guide plate comprises a thighbone osteotomy guide plate, the thighbone osteotomy guide plate comprises a thighbone guide plate main body and a thighbone insertion block, the thighbone guide plate main body and the thighbone insertion block are in insertion fit, and the thighbone guide plate main body is provided with a first binding surface, a first spicule fixing hole and a thighbone osteotomy groove; a second binding surface is arranged on the thighbone insertion block, and the first binding surface and the second binding surface are used for being attached to the thighbone surface or the thighbone osteophyte; the tibia osteotomy guide plate comprises a tibia guide plate main body and a tibia insertion block, the tibia guide plate main body and the tibia insertion block are matched in an inserted mode, the tibia guide plate main body is provided with a third attaching face, a second bone needle fixing hole and a tibia osteotomy groove, the tibia insertion block is provided with a fourth attaching face, and the third attaching face and the fourth attaching face are used for being attached to the tibia face or the tibia osteophyte; according to the osteotomy guide plate, an osteotomy plane is accurately positioned by utilizing a plurality of parts or osteophyte with obvious knee joint bone tissue characteristics, so that the osteotomy accuracy is improved, and the surgical risk can be reduced.

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.