69 results about "Caput femoris" patented technology

The invention discloses a modeling method of a necrosis caput femoris restoring model based on an umbrella-shaped caput femoris supporter. The modeling method comprises the steps that firstly, a three-dimensional model of a to-be-restored caput femoris is obtained, wherein the NURBS curved surface model of the to-be-restored caput femoris is obtained, the to-be-restored caput femoris is a caput femoris which exists in the thigh tissue necrosis area and is pre-restored by the caput femoris supporter, and the caput femoris supporter is composed of an umbrella-shaped supporter body and a supporting sleeve; secondly, the necrosis area needing to be separated is determined according to the shape of the umbrella-shaped supporter body, and a necrosis caput femoris model is established; thirdly, a caput femoris supporter model is established; fourthly, a necrosis caput femoris implantation model is established, wherein the necrosis caput femoris implantation model with an implantation channel and a three-dimensional model of an implanted bone are established; fifthly, the necrosis caput femoris restoring model is established. The modeling method is simple in step, reasonable in design, convenient to achieve and good in using effect, the restoring model of the caput femoris supporter implanted into the necrosis caput femoris can be easily, conveniently and quickly established, and the quality of the established restoring model is high.

The invention discloses a bone trabecula hip joint system. The system comprises a series of bone trabecula assembled femoral components, caput femoris, bone trabecula oversleeves, bone trabecula assembled acetabular cups and bone trabecula acetabulum cushion blocks. The surface structures of the bone trabecula assembled femoral components, the caput femoris, the bone trabecula oversleeves, the bone trabecula assembled acetabular cups and the bone trabecula acetabulum cushion blocks are all metal bone trabecula structures and manufactured by means of the metal 3D printing technology, the structural form of holes and porosity can be accurately controlled, a plurality of specifications are available, and assembly can be conducted freely. The system has the advantages that fastness and effectiveness are realized, postoperation osseointegration is facilitated, service life is prolonged, postoperation revision rate is reduced, serious femur and acetabulum deformation is effectively solved, complicated joint primary replacement surgery and revision surgery under the condition of various forms of bone defects can be conducted, and the requirements of various patients for prosthesis customization are met.

The invention discloses a traditional Chinese medicine composition for treating rheumatoid bone diseases and a preparation method thereof. The traditional Chinese medicine composition consists of 17 traditional Chinese raw medicines such as Chinese elder herb, Chinese alangium, mistletoe, sargentg loryvine, bostonivy, dog bone, dragon blood, sea horse, black ants, Alisma orientale, pine nodular branch and aweto. The traditional Chinese medicine composition can be prepared into clinically accepted preparation formulations by adding the prior pharmaceutical auxiliary materials according to the prior technology. The traditional Chinese medicine composition has efficacies of expelling wind and removing paralysis, promoting blood circulation and removing obstruction in channels, expelling cold and alleviating pain, reinforcing kidney to strengthen bone, and softening and resolving hard mass. The traditional Chinese medicine composition has remarkable efficacies on the treatment of rheumatoid arthritis, cervical spondylosis, lumbar intervertebral disc protrusion and postoperative syndrome, chornic lumbago and scelalgia, lumbar muscle strain, hyperosteogeny, sciatica, ankylosing spondylitis, acroanesthesia, bone fracture from falls, scapulohumeral periarthritis, caput femoris necrosis, stroke hemiplegy, talalgia and so on.

The invention relates to a stealth blade for treating aseptic caput femoris necrosis, comprising a hollow pipe, a beam, a spiral mechanism and two blades. The beam is arranged on the outer wall of the hollow pipe, one end of the spiral mechanism is inserted in the hollow pipe, the two blades have cambered notches and are articulated, one end of one blade is in rotating connection with one end of the spiral mechanism inserting into the hollow pipe, one end of the other blade is connected with the hollow pipe, and the spiral mechanism moving along the axis direction of the hollow pipe drives the two blades to move, changes an included angle between the two blades and further changes the cleared diameter. In the stealth blade for treating aseptic caput femoris necrosis, the two blades have the cambered notches which can be fully attached to the inner wall of a tunnel hole and the inner wall of caput femoris so as to cleanly clear dead bones once and improve the working efficiency of the stealth blade for treating aseptic caput femoris necrosis.

A force line positioner for the high tibial osteotomy comprises a force line measuring piece and a fixing assembly. The force line measuring piece is a length extending piece with the consistent extending direction as the lower limbs of a human body. The two ends are aligned to the central point of the human body caput femoris and the central point of the ankle for measuring a lower limb force line; the fixing assembly is used for installing the force line measuring piece and connected with the human body, and at least one end of the force line measuring piece is movably connected with the fixing assembly so that the end of the force line measuring piece can be adjusted inside the horizontal plane perpendicular to the length direction of the force line measuring piece. The problems that due to the fact that according to the existing high tibial osteotomy, a surgeon needs to hold the force line measuring piece by hand to perform the positioning work, the accuracy of the high tibial osteotomy is affected, the radiated dosage of the surgeon is increased, and the body health of the surgeon is affected are solved.

A medical device for implantation in a hip joint of a patient is provided. The medical device is adapted to be fixated to the pelvic bone of the patient. The medical device comprises an inner and an outer surface, wherein a contacting portion, of said inner surface is spherical and adapted to face the center of the hip joint when said medical device is implanted. The medical device is adapted to receive a caput femur or a prosthetic replacement therefor having a spherical portion, wherein said medical device comprises at least one extending portion, extending said contacting portion of said inner surface such that said at least one extending portion clasps said spherical portion of said caput femur, or a prosthetic replacement therefor, such that said spherical portion is restrained in said medical device. Restraining the caput femur in the medical device reduces the risk that the hip joint dislocates when in use by the patient.

The invention relates to an orthopedic surgery instrument, in particular to a multi-aperture titanium hollow metal bar (nail) for reconstruction of caput femoris necrosis, biomechanics support and medicine infusion treatment. The multi-aperture titanium hollow metal bar (nail) comprises a metal bar (nail) body and is characterized in that: the hollow titanium metal bar (nail) body is drilled with regular and even holes; the external thread end of the bar (nail) is provided with a transverse groove. As titanium metal is used, the invention has stable chemical performance, good adaptability of biological tissue, high intensity, no magnetism, light weight and no influence on X-ray irradiation; the thread shape is suitable for being fixed on sclerotin; the transverse groove is convenient for being placed in or taken out; hollow and multi-aperture design ensures the reasonable structure, is convenient for infusing medicine for many times, so that medicine can be permeated into the area of caput femoris necrosis to promote reconstruction of capillary net and improve the blood transportation to reconstruct necrosis bone. The invention can treat caput femoris necrosis conveniently, simply and effectively.

The invention discloses a plaster for treating caput femoris necrosis, which belongs to the field of traditional Chinese medicine. The plaster comprises more than ten natural Chinese herbal medicines such as muskiness, ginger, radix sileris, eucommia bark, teasel root, native copper, sapanwood, rhizoma drynariae, Caulis Trachelospermi, lopseed, rhizoma cibotii, frankincense, myrrh, Panax notoginseng, safflower, dragon blood, radix polygoni multiflori preparata and Fructus Liquidambaris, and efficacies of various medicines generate synergic action through the scientific and reasonable compatibility to achieve the aim of effectively treating the caput femoris necrosis. The plaster has strict and scientific prescription, symptomatic medicine selection, and elaborate and comprehensive medicine use, fully utilizes effective ingredients of the medicines, ensures that the medicines directly reach pathological change parts, and achieves the ideal effect of treating both root causes and symptoms; the plaster has broad medicine sources, a simple process, easy processing and manufacture and low cost; after the pasting, the medicines saturate towards afflicted parts with the help of body temperature and is extremely easily absorbed by skin, so the plaster has the advantages of good treatment effect, short treatment course, quick effect, exact and reliable treatment effect, small toxic side effect and no contraindication, and the total effective rate reaches more than 99.6 percent. The invention also discloses a method for preparing the plaster for treating the caput femoris necrosis.

The invention discloses a computer-assistant femoral intertrochanteric fracture positional and alignment semi-automatic restoration method including: 1) with the broken bone three-dimensional model generated by a CT image as an information input source, extracting the geometric information and topologic relationship of the three-dimensional network model; 2) extracting the fracture surface and related force lines of caput femoris and femoral shaft; 3) determining a restoration position required in clinical medicine by means of a positional-alignment iteration method to complete the semi-automatic restoration of the intertrochanteric fracture. In the invention, on the basis of basic requirement on the closed reduction of the femoral intertrochanteric fracture, medical requirement on the broken bone joint is satisfied; then by means of positional-alignment iteration for calculation, preoperative planning demand of medical personnel is satisfied and working efficiency is increased just through a less amount of human-computer interaction.

A medical device for implantation in a hip joint of a human patient is provided. The natural hip joint having a ball shaped caput femur as the proximal part of the femoral bone with a convex hip joint surface towards the centre of the hip joint and a bowl shaped acetabulum as part of the pelvic bone with a concave hip joint surface towards the centre of the hip joint. The caput femur has a centrally placed longitudinal extension, extending through the center of the caput and collum femur, aligned with the collum femur, defined as the caput and collum femur center axis. The medical device comprising; an artificial acetabulum, comprising a concave surface towards the centre of the hip joint. The artificial concave acetabulum is adapted to, when implanted, be fixated to the femoral bone of the human patient, and be in movable connection with an artificial caput femur fixated to the pelvic bone of the patient.

The invention discloses a medicine combination used for treating caput femoris necrosis. The medicine combination is made from the following ingredients with the weight account: 10-20 proportion astragalus root, 10-20 proportion chiretta, 8-16 proportion salvia root, 8-16 proportion cooked rehmannia root, 8-16 proportion white peony root, 8-16 proportion slenderstyle acanthopanax bark, 8-16 proportion Chinese flowering quince, 8-16 proportion dodder seed, 8-16 proportion barbary wolfberry fruit, 10-20 proportion dragon bone, 10-20 proportion oyster shell, 8-16 proportion tall gastrodia tuber, 8-16 proportion dipsacus root, 8-16 proportion gynura segetum, 8-16 proportion corydalis tablet of corydalis tuber, 8-16 proportion wheat powder, 8-16 proportion common clubmoss herb, 8-16 proportion tortoise plastron, 8-16 proportion trionycis carapax, 8-16 proportion black-striped snake, 0.5-1.5 proportion manchurian wildginger, 8-16 proportion common aucklandia root, 0.05-0.15 proportion succinin, 0.05-0.15 proportion saffron and 0.5-1.5 proportion dragon's blood.The invention has a relative good treating effect for caput femoris necrosis; total clinical effective rate can reach 98 percent; cure rate can reach 85.6 percent.

The invention discloses a reference data determination method, a reference data determination device and data processing equipment. The method comprises the steps of determining a feature point of a target object, wherein the feature point includes a caput femoris central point, a knee joint central point and an ankle joint central point of the target object; generating feature data according to the feature point, wherein the feature data include a distance I of a line segment I composed of the caput femoris central point and the knee joint central point, a distance II of a line segment II composed of the caput femoris central point and the ankle joint central point, and an angle of a rotation included angle formed with the caput femoris central point as a vertex and the line segments I and II as sides; and determining reference data based on the feature data, wherein the reference data are used for adjusting a lower limb alignment. According to the reference data determination method,the reference data determination device and the data processing equipment, the technical problem of relatively low accuracy of a positioning result caused by manual positioning of the lower limb alignment in a related technology is solved.

A traditional Chinese medicine formula for treating femoral head lesions is characterized by comprising the following components: 20 grams of peach seed, 20 grams of Amomum villosum, 15 grams of Rhizoma Drynariae, 12 grams of antlers, 12 grams of dog bone, 12 grams of rhizoma anemarrhenae, 10 grams of Chinese angelica, 10 grams of Caulis Spatholobi, 10 grams of pseudo-ginseng, 8 grams of Radix Achyranthis Bidentatae, 8 grams of Ligusticum wallichii, and one sea cucumber. A method is as below: crushing the sea cucumber into a powder, decocting the powder with the above-mentioned materials in water, taking the juice 30 min later for drinking once a day. The formula solves the problems in the traditional Chinese medicine prescription for treating femoral head diseases, such as slow effect, unobvious effect, failure to repair caput femoris cells, no effect on hyperosteogeny and femoral head necrosis, and even aggravation of the condition, and is suitable for the treatment of the femoral head lesions.

The invention discloses artificial caput femoris which comprises a carbon nano tube hydrogel composite layer (1), a bacterial cellulose hydrogel composite layer (2), a solid core (3), a boundary lubricating layer (5) and longitudinal fiber (6). The carbon nano tube hydrogel composite layer (1) is composed of polyvinyl alcohol hydrogel doped with carbon nano tubes. The bacterial cellulose hydrogel composite layer (2) is composed of bacterial cellulose soaked in polyvinyl alcohol hydrogel. The longitudinal fiber (6) extends into the carbon nano tube hydrogel composite layer (1) from the solid core (3). The artificial caput femoris is simple and compact in structure and can effectively improve joint impact resistance and lubricating performance.

The invention discloses a reference data determination method, a reference data determination device, data processing equipment and a data processing system. The method comprises the steps of determining a feature point of a target object, wherein the feature point includes a caput femoris central point, a knee joint central point and an ankle joint central point of the target object; generating feature data according to the feature point, wherein the feature data include a distance I of a line segment I composed of the caput femoris central point and the knee joint central point, a distance II of a line segment II composed of the caput femoris central point and the ankle joint central point, and an angle of a rotation included angle formed with the caput femoris central point as a vertexand the line segments I and II as sides; and determining reference data based on the feature data, wherein the reference data are used for adjusting a lower limb alignment. According to the referencedata determination method, the reference data determination device, the data processing equipment and the data processing system, the technical problem of relatively low accuracy of a positioning result caused by manual positioning of the lower limb alignment in a related technology is solved.

The invention discloses a children femoral head rotation center detection method, which comprises the following steps: acquiring and selecting children bilateral hip joint X-ray images, marking mark points, an X axis and a Y axis, and measuring hip joint indexes; processing hip joint indexes to obtain sample data and setting weights; dividing the data into a training set and a test set, training the detection model by adopting the training set, and detecting by adopting the test set to obtain a final children femoral head rotation center detection model; and detecting the femoral head rotationcenter of the bilateral hip joint X-ray image of the child to be detected by adopting the final child femoral head rotation center detection model. The method can quickly and accurately detect the rotation center of the caput femoris of the child, and is high in training speed, high in stability and good in practical effect.

An orally taking Chinese medicine in the form of capsule for treating the ischemic femur head necrosis is prepared from 7 Chinese-medicinal materials including Chinese angelica root, red sage root, astragalus root, safflower, etc through proportional mixing, drying, pulverizing, mixing with musk and loading in capsules.

The invention discloses a method and a device for measuring a lower limb force line. The method comprises the following steps of firstly, acquiring a lower limb X-ray image original drawing, and performing preprocessing and image enhancement to obtain a lower limb full-length film; cutting the lower limb full-length film to obtain a hip joint image, a knee joint image and an ankle joint image; respectively extracting different key points according to a corresponding key point model, and further determining a caput femoris central point, a knee joint intercondylar fovea central point and a tibial plateau central point; obtaining a thighbone mechanical axis and a tibia mechanical axis according to each center point, processing a thighbone area image and a tibia area image to obtain a thighbone anatomical axis and a tibia anatomical axis respectively, and determining a first included angle and a second included angle according to the thighbone anatomical axis and the tibia anatomical axis; and determining the lower limb force line according to the thighbone center point and the ankle joint center point, and automatically calculating the lower limb force line and angle measurement thereof through an image processing method so as to improve the detection precision of the lower limb force line.

The invention provides a femoral stem spacer die. A femoral stem includes a femoral stem body, a conehead and a femoral neck; the conehead is arranged at a first end of the femoral stem body and can be matched with a caput femoris; the femoral neck is connected between the conehead and the femoral stem body; the femoral stem spacer die includes two outer dies abutting against each other, each outer die is provided with forming grooves for pouring the femoral stem, the forming grooves include the first forming groove for forming the femoral stem body, the second forming groove for placing the conehead and the third forming groove connected between the first forming groove and the second forming groove, the third forming groove is used for forming the femoral neck, and the second forming groove comprises multiple frustum-shaped grooves matched with the conehead and formed coaxially with the conehead. According to the technical scheme, the problems are effectively solved that in the priorart, products are monotonous in specification, the manufacturing cost is high due to the demand for multiple dies, and dies are inconvenient to use.

The invention discloses a children caput femoris rotation center detection method, which comprises the following steps of: 1, randomly extracting data of a children patient in an orthopedic outpatient service of a pediatric hospital, and calling a caput femoris CT (Computed Tomography) image sheet; step 2, randomly selecting children of which the age range is 6-12 years old from an orthopedic outpatient service to take CT images, and dividing detection objects into three groups of area ranges according to the age condition of the children, according to the method, the vertical height average value and the horizontal distance average value of the acetabulum center in the femoral head images of the child patients in different age ranges are compared with the vertical height average value and the horizontal distance average value of the acetabulum center of a normal child, the deviation value range between the values is observed, and the acetabulum center of the normal child is determined according to the deviation value. And the caput femoris rotation center deviation conditions of the child patients in different age ranges and stages can be screened out, so that subsequent treatment on the child patients in different age stages is facilitated.

The invention provides a traditional Chinese medicine fumigating preparation for treating caput femoris necrosis, which is prepared from the following raw medicinal materials: szechuan aconite, radix aconiti feri, heracleum hemsleyanum michaux, clematis root, club moss, radix sileris, notopterygium root, hemlock parsley, frankincense, myrrh, radix achyranthis bidentatae, eucommia, mistletoe, scorpion and centipede, and can also be prepared from the following raw medicinal materials: safflower, corydalis tuber, arisaema tuber, american lopseed, teasel root, scurfy pea and cassia twig. The traditional Chinese medicine fumigating preparation has the beneficial effects that a pure traditional Chinese medicine preparation is adopted, advantages are complemented, and the traditional Chinese medicine fumigating preparation has unique advantages and obtains excellent effect after long-term clinical application. The traditional Chinese medicine fumigating preparation has the advantages of being convenient to use, simple to prepare, direct to administer, good in curative effect, short in period of treatment and rapid in action.

The invention discloses a medicine combination used for treating caput femoris necrosis. The medicine combination is made from the following ingredients with the weight account: 10-20 proportion astragalus root, 10-20 proportion chiretta, 8-16 proportion salvia root, 8-16 proportion cooked rehmannia root, 8-16 proportion white peony root, 8-16 proportion slenderstyle acanthopanax bark, 8-16 proportion Chinese flowering quince, 8-16 proportion dodder seed, 8-16 proportion barbary wolfberry fruit, 10-20 proportion dragon bone, 10-20 proportion oyster shell, 8-16 proportion tall gastrodia tuber,8-16 proportion dipsacus root, 8-16 proportion gynura segetum, 8-16 proportion corydalis tablet of corydalis tuber, 8-16 proportion wheat powder, 8-16 proportion common clubmoss herb, 8-16 proportiontortoise plastron, 8-16 proportion trionycis carapax, 8-16 proportion black-striped snake, 0.5-1.5 proportion manchurian wildginger, 8-16 proportion common aucklandia root, 0.05-0.15 proportion succinin, 0.05-0.15 proportion saffron and 0.5-1.5 proportion dragon's blood.The invention has a relative good treating effect for caput femoris necrosis; total clinical effective rate can reach 98 percent;cure rate can reach 85.6 percent.

The invention relates to a manufacturing method of a titanium alloy artificial hip joint provided with a wear-resistant ceramic coat, which relates to the titanium alloy artificial hip joint and the manufacturing method thereof. The invention solves the problems existing in the existing caput femoris provided with a film of thin film thickness, low bonding strength of the film and a matrix, poor mechanical bearing strength and bad wear resistance and durable stability. The wear-resistant ceramic coat is coated on the spherical surface of the titanium alloy caput femoris and the surface of a titanium alloy articulation coax cup. A cylindrical slot that has fit connection with a femur handle is arranged on the upper end surface of the titanium alloy caput femoris. The method of the invention is that the joint is polished, shielded, installed and blocked; then the joint is processed by spark intensifying electrochemical oxidation to produce the wear-resistant ceramic coat; the joint is taken out, cleaned and dried; and finally, the surface of the joint is processed by polishing treatment. The artificial hip joint of the invention has the advantages of thick caput femoris film, strong bonding strength of the film and the matrix, good mechanical bearing strength and sound wear resistance and durable stability, etc. And the manufacturing method of the invention has simple process flows.

The invention discloses a caput femoris surface replacement prosthesis. The caput femoris surface replacement prosthesis comprises a joint part and a collum femoris insertosome, wherein one end, awayfrom the collum femoris insertosome, of the joint part is a spherical surface, attachment structural layers capable of being embedded into a human body are arranged at one end, close to the collum femoris insertosome, of the joint part and the collum femoris insertosome, and a fixing unit is also arranged on the collum femoris insertosome. According to the caput femoris surface replacement prosthesis, a spherical surface structure at the joint part can replace a caput femoris surface joint of a human body, the collum femoris insertosome can be inserted into medullary space of collum femoris, the attachment structural layers are arranged on one side of the joint part and on the surface of the collum femoris insertosome and used for biological fixation, bone ingrowth is facilitated, and final embedment of the prosthesis and bone of the human body is realized; and besides, the fixing unit is arranged on the collum femoris insertosome and can prevent the prosthesis from rotating or retreating, the position correctness and stability of the prosthesis are effectively guaranteed, and the service life of the prosthesis is prolonged.

The invention discloses an internal fixation device for a femoral intertrochanteric fracture. The device comprises an intramedullary main nail, a near-end locking nail and a far-end locking nail, a first through hole is formed in the near end of the intramedullary main nail, a preset included angle is formed between the axis of the first through hole and the axis of the near end, and a second through hole is formed in the far end of the intramedullary main nail; the near-end locking nail penetrates through the first through hole, and one end of the near-end locking nail can be fixedly clampedinto the caput femoris through an expandable mode; the far-end locking nail penetrates through the second through hole. According to the internal fixation device for the femoral intertrochanteric fracture, one end of the near-end locking nail can be fixedly clamped into the caput femoris through the expandable mode, in this way, fixation of the near-end locking nail is firmer and more reliable, and the stability is better; fixation is conducted through an expansion mode, the expansion degree can be adjusted according to the degree of osteoporosis, then the fixation effect is achieved, and in addition, the device is convenient to operate.

The invention discloses an apparatus for taking out the caput femoris. The apparatus comprises a movable plate, a threaded rod, a sleeve and a supporting rod, the threaded rod is arranged on the lowerportion of the movable plate, and the sleeve is arranged on the lower portion of the threaded rod; a through hole is further formed in the middle of the sleeve, an inner thread is arranged in the through hole, and an outer thread is arranged in the surface of the threaded rod; the threaded rod is connected with the thread of the through hole through the outer thread, a connecting rod is arrangedon the outer potion of the sleeve and fixedly connected with the sleeve through a bolt, and a movable shaft is arranged on the lower portion of the connecting rod; a supporting rod is arranged on thelower portion of the movable shaft and rotatably connected with the connecting rod through the movable shaft, and a pointed end is arranged on the lower portion of the supporting rod; according to theapparatus for taking out the caput femoris, the movable plate is rotated to screw a conehead of the bottom of the threaded rod into the bone through the outer thread, three supporting rods are arranged on the outer portion of the sleeve, after three-point fixing, the caput femoris can be prevented from rotating through pressing and screwing, and the conehead can conveniently enter into the caputfemoris to take out the caput femoris.

The invention provides a health medicine wine for relieving rigidity of muscles and promoting blood circulation, which is composed of following active ingredient materials: lopseed, camphor, frankincense, myrrh, fructus psoraleae, safflower, uncaria, radix sileris, fructus liquidambaris, rhubarb, heracleum hemsleyanum michaux, pawpaw, radix aconiti, cattail pollen, sapanwood, red paeonia, cistanche salsa, achyranthes, blood resin, atractylodes, homalomena rhizome, tuckahoe, ephedra equisetina, asarum, radix cyathulae, clematis chinensis and white wine. The medicine wine can effectively improve stomach function and adjust the human body internal secretion, rectify the decompensation, regulate the viscera, adjust the ying and yang balance, promote the blood cycle, enrich yin and nourish kidney so as to improve the human body immunity function and delay consenescence; using the medicine wine can also rapidly cure the diseases such as periarthritis humeroscapularis, cervical spondylosis, lumbar intervertebral disc protrusion, sciatica, rheumatism, rheumatoid disease and caput femoris necrosis; the medicine wine can realize the purpose of curing various diseases with one medicine, and can reach the heath care effect at the same time.

The invention provides an external fixing frame with adjustable stress. The external fixing frame comprises an upper fixing frame body, a rotary rod and a lower fixing frame body, the upper fixing frame body comprises a main fixing frame body and auxiliary fixing frame bodies, and half-cylinder grooves of the main fixing frame body and the auxiliary fixing frame bodies form upper fixing screw positions; the rotary rod comprises a rotary cylinder, a connection fixed platform and a connection rod, half-cylinder grooves of a main frame body and a locating frame body form lower fixing screw positions, and the lower fixing frame body comprises the main frame body and the locating frame body; the upper fixing frame body is connected with the rotary rod, the connection rod of the rotary rod is placed in a sleeve of the lower locating frame body; a plurality of fixing screw positions are arranged, fixation is firm, the external fixing frame can rotate with joint motion, and a spring is arranged between the rotary rod and the lower fixing frame body; the stress applied to caput femoris in acetabulum can be adjusted during motion, and abnormal stress applied to the caput femoris in the acetabulum and abrasion and deformation of the caput femoris are avoided.

The invention discloses a multi-functional skeleton drilling-grinding bone harvester. The multi-functional skeleton drilling-grinding bone harvester comprises a handle, a sleeve, a drill rod, a drillbit and a measuring device. One end of the sleeve is provided with a fixing cover, and the other end of the sleeve is provided with a locking groove. The drill rod passes through the fixing cover. Oneend of the drill rod is provided with the handle, and the other end of the drill rod is provided with the drill bit. The outer side face of the sleeve is provided with the measuring device. The sidewall of the sleeve is connected with a searchlight. 4-6 LED lamp sources are installed around the searchlight. The multi-functional skeleton drilling-grinding bone harvester is strong in practicability, simpler in operation, and capable of rapidly and accurately taking caput femoris, and accurately measuring a size of the caput femoris, thereby reducing operation wound and haemorrhage. A whole design has the characteristics of firmness and durability, simple and convenient operation, and low cost, and is capable of taking out a whole bone, conveniently measuring a diameter of the taken bone, and reducing the operation injury.